1 /* gtktreeview.c
2 * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20
21 #include "config.h"
22 #include <string.h>
23 #include <gdk/gdkkeysyms.h>
24
25 #include "gtktreeview.h"
26 #include "gtkrbtree.h"
27 #include "gtktreednd.h"
28 #include "gtktreeprivate.h"
29 #include "gtkcellrenderer.h"
30 #include "gtkmain.h"
31 #include "gtkmarshalers.h"
32 #include "gtkbuildable.h"
33 #include "gtkbutton.h"
34 #include "gtkalignment.h"
35 #include "gtklabel.h"
36 #include "gtkhbox.h"
37 #include "gtkvbox.h"
38 #include "gtkarrow.h"
39 #include "gtkintl.h"
40 #include "gtkbindings.h"
41 #include "gtkcontainer.h"
42 #include "gtkentry.h"
43 #include "gtkframe.h"
44 #include "gtktreemodelsort.h"
45 #include "gtktooltip.h"
46 #include "gtkprivate.h"
47 #include "gtkalias.h"
48
49 #define GTK_TREE_VIEW_PRIORITY_VALIDATE (GDK_PRIORITY_REDRAW + 5)
50 #define GTK_TREE_VIEW_PRIORITY_SCROLL_SYNC (GTK_TREE_VIEW_PRIORITY_VALIDATE + 2)
51 #define GTK_TREE_VIEW_TIME_MS_PER_IDLE 30
52 #define SCROLL_EDGE_SIZE 15
53 #define EXPANDER_EXTRA_PADDING 4
54 #define GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT 5000
55 #define AUTO_EXPAND_TIMEOUT 500
56
57 /* The "background" areas of all rows/cells add up to cover the entire tree.
58 * The background includes all inter-row and inter-cell spacing.
59 * The "cell" areas are the cell_area passed in to gtk_cell_renderer_render(),
60 * i.e. just the cells, no spacing.
61 */
62
63 #define BACKGROUND_HEIGHT(node) (GTK_RBNODE_GET_HEIGHT (node))
64 #define CELL_HEIGHT(node, separator) ((BACKGROUND_HEIGHT (node)) - (separator))
65
66 /* Translate from bin_window coordinates to rbtree (tree coordinates) and
67 * vice versa.
68 */
69 #define TREE_WINDOW_Y_TO_RBTREE_Y(tree_view,y) ((y) + tree_view->priv->dy)
70 #define RBTREE_Y_TO_TREE_WINDOW_Y(tree_view,y) ((y) - tree_view->priv->dy)
71
72 /* This is in bin_window coordinates */
73 #define BACKGROUND_FIRST_PIXEL(tree_view,tree,node) (RBTREE_Y_TO_TREE_WINDOW_Y (tree_view, _gtk_rbtree_node_find_offset ((tree), (node))))
74 #define CELL_FIRST_PIXEL(tree_view,tree,node,separator) (BACKGROUND_FIRST_PIXEL (tree_view,tree,node) + separator/2)
75
76 #define ROW_HEIGHT(tree_view,height) \
77 ((height > 0) ? (height) : (tree_view)->priv->expander_size)
78
79
80 typedef struct _GtkTreeViewChild GtkTreeViewChild;
81 struct _GtkTreeViewChild
82 {
83 GtkWidget *widget;
84 gint x;
85 gint y;
86 gint width;
87 gint height;
88 };
89
90
91 typedef struct _TreeViewDragInfo TreeViewDragInfo;
92 struct _TreeViewDragInfo
93 {
94 GdkModifierType start_button_mask;
95 GtkTargetList *_unused_source_target_list;
96 GdkDragAction source_actions;
97
98 GtkTargetList *_unused_dest_target_list;
99
100 guint source_set : 1;
101 guint dest_set : 1;
102 };
103
104
105 /* Signals */
106 enum
107 {
108 ROW_ACTIVATED,
109 TEST_EXPAND_ROW,
110 TEST_COLLAPSE_ROW,
111 ROW_EXPANDED,
112 ROW_COLLAPSED,
113 COLUMNS_CHANGED,
114 CURSOR_CHANGED,
115 MOVE_CURSOR,
116 SELECT_ALL,
117 UNSELECT_ALL,
118 SELECT_CURSOR_ROW,
119 TOGGLE_CURSOR_ROW,
120 EXPAND_COLLAPSE_CURSOR_ROW,
121 SELECT_CURSOR_PARENT,
122 START_INTERACTIVE_SEARCH,
123 LAST_SIGNAL
124 };
125
126 /* Properties */
127 enum {
128 PROP_0,
129 PROP_MODEL,
130 PROP_HADJUSTMENT,
131 PROP_VADJUSTMENT,
132 PROP_HEADERS_VISIBLE,
133 PROP_HEADERS_CLICKABLE,
134 PROP_EXPANDER_COLUMN,
135 PROP_REORDERABLE,
136 PROP_RULES_HINT,
137 PROP_ENABLE_SEARCH,
138 PROP_SEARCH_COLUMN,
139 PROP_FIXED_HEIGHT_MODE,
140 PROP_HOVER_SELECTION,
141 PROP_HOVER_EXPAND,
142 PROP_SHOW_EXPANDERS,
143 PROP_LEVEL_INDENTATION,
144 PROP_RUBBER_BANDING,
145 PROP_ENABLE_GRID_LINES,
146 PROP_ENABLE_TREE_LINES,
147 PROP_TOOLTIP_COLUMN
148 };
149
150 /* object signals */
151 static void gtk_tree_view_finalize (GObject *object);
152 static void gtk_tree_view_set_property (GObject *object,
153 guint prop_id,
154 const GValue *value,
155 GParamSpec *pspec);
156 static void gtk_tree_view_get_property (GObject *object,
157 guint prop_id,
158 GValue *value,
159 GParamSpec *pspec);
160
161 /* gtkobject signals */
162 static void gtk_tree_view_destroy (GtkObject *object);
163
164 /* gtkwidget signals */
165 static void gtk_tree_view_realize (GtkWidget *widget);
166 static void gtk_tree_view_unrealize (GtkWidget *widget);
167 static void gtk_tree_view_map (GtkWidget *widget);
168 static void gtk_tree_view_size_request (GtkWidget *widget,
169 GtkRequisition *requisition);
170 static void gtk_tree_view_size_allocate (GtkWidget *widget,
171 GtkAllocation *allocation);
172 static gboolean gtk_tree_view_expose (GtkWidget *widget,
173 GdkEventExpose *event);
174 static gboolean gtk_tree_view_key_press (GtkWidget *widget,
175 GdkEventKey *event);
176 static gboolean gtk_tree_view_key_release (GtkWidget *widget,
177 GdkEventKey *event);
178 static gboolean gtk_tree_view_motion (GtkWidget *widget,
179 GdkEventMotion *event);
180 static gboolean gtk_tree_view_enter_notify (GtkWidget *widget,
181 GdkEventCrossing *event);
182 static gboolean gtk_tree_view_leave_notify (GtkWidget *widget,
183 GdkEventCrossing *event);
184 static gboolean gtk_tree_view_button_press (GtkWidget *widget,
185 GdkEventButton *event);
186 static gboolean gtk_tree_view_button_release (GtkWidget *widget,
187 GdkEventButton *event);
188 static gboolean gtk_tree_view_grab_broken (GtkWidget *widget,
189 GdkEventGrabBroken *event);
190 #if 0
191 static gboolean gtk_tree_view_configure (GtkWidget *widget,
192 GdkEventConfigure *event);
193 #endif
194
195 static void gtk_tree_view_set_focus_child (GtkContainer *container,
196 GtkWidget *child);
197 static gint gtk_tree_view_focus_out (GtkWidget *widget,
198 GdkEventFocus *event);
199 static gint gtk_tree_view_focus (GtkWidget *widget,
200 GtkDirectionType direction);
201 static void gtk_tree_view_grab_focus (GtkWidget *widget);
202 static void gtk_tree_view_style_set (GtkWidget *widget,
203 GtkStyle *previous_style);
204 static void gtk_tree_view_grab_notify (GtkWidget *widget,
205 gboolean was_grabbed);
206 static void gtk_tree_view_state_changed (GtkWidget *widget,
207 GtkStateType previous_state);
208
209 /* container signals */
210 static void gtk_tree_view_remove (GtkContainer *container,
211 GtkWidget *widget);
212 static void gtk_tree_view_forall (GtkContainer *container,
213 gboolean include_internals,
214 GtkCallback callback,
215 gpointer callback_data);
216
217 /* Source side drag signals */
218 static void gtk_tree_view_drag_begin (GtkWidget *widget,
219 GdkDragContext *context);
220 static void gtk_tree_view_drag_end (GtkWidget *widget,
221 GdkDragContext *context);
222 static void gtk_tree_view_drag_data_get (GtkWidget *widget,
223 GdkDragContext *context,
224 GtkSelectionData *selection_data,
225 guint info,
226 guint time);
227 static void gtk_tree_view_drag_data_delete (GtkWidget *widget,
228 GdkDragContext *context);
229
230 /* Target side drag signals */
231 static void gtk_tree_view_drag_leave (GtkWidget *widget,
232 GdkDragContext *context,
233 guint time);
234 static gboolean gtk_tree_view_drag_motion (GtkWidget *widget,
235 GdkDragContext *context,
236 gint x,
237 gint y,
238 guint time);
239 static gboolean gtk_tree_view_drag_drop (GtkWidget *widget,
240 GdkDragContext *context,
241 gint x,
242 gint y,
243 guint time);
244 static void gtk_tree_view_drag_data_received (GtkWidget *widget,
245 GdkDragContext *context,
246 gint x,
247 gint y,
248 GtkSelectionData *selection_data,
249 guint info,
250 guint time);
251
252 /* tree_model signals */
253 static void gtk_tree_view_set_adjustments (GtkTreeView *tree_view,
254 GtkAdjustment *hadj,
255 GtkAdjustment *vadj);
256 static gboolean gtk_tree_view_real_move_cursor (GtkTreeView *tree_view,
257 GtkMovementStep step,
258 gint count);
259 static gboolean gtk_tree_view_real_select_all (GtkTreeView *tree_view);
260 static gboolean gtk_tree_view_real_unselect_all (GtkTreeView *tree_view);
261 static gboolean gtk_tree_view_real_select_cursor_row (GtkTreeView *tree_view,
262 gboolean start_editing);
263 static gboolean gtk_tree_view_real_toggle_cursor_row (GtkTreeView *tree_view);
264 static gboolean gtk_tree_view_real_expand_collapse_cursor_row (GtkTreeView *tree_view,
265 gboolean logical,
266 gboolean expand,
267 gboolean open_all);
268 static gboolean gtk_tree_view_real_select_cursor_parent (GtkTreeView *tree_view);
269 static void gtk_tree_view_row_changed (GtkTreeModel *model,
270 GtkTreePath *path,
271 GtkTreeIter *iter,
272 gpointer data);
273 static void gtk_tree_view_row_inserted (GtkTreeModel *model,
274 GtkTreePath *path,
275 GtkTreeIter *iter,
276 gpointer data);
277 static void gtk_tree_view_row_has_child_toggled (GtkTreeModel *model,
278 GtkTreePath *path,
279 GtkTreeIter *iter,
280 gpointer data);
281 static void gtk_tree_view_row_deleted (GtkTreeModel *model,
282 GtkTreePath *path,
283 gpointer data);
284 static void gtk_tree_view_rows_reordered (GtkTreeModel *model,
285 GtkTreePath *parent,
286 GtkTreeIter *iter,
287 gint *new_order,
288 gpointer data);
289
290 /* Incremental reflow */
291 static gboolean validate_row (GtkTreeView *tree_view,
292 GtkRBTree *tree,
293 GtkRBNode *node,
294 GtkTreeIter *iter,
295 GtkTreePath *path);
296 static void validate_visible_area (GtkTreeView *tree_view);
297 static gboolean validate_rows_handler (GtkTreeView *tree_view);
298 static gboolean do_validate_rows (GtkTreeView *tree_view,
299 gboolean size_request);
300 static gboolean validate_rows (GtkTreeView *tree_view);
301 static gboolean presize_handler_callback (gpointer data);
302 static void install_presize_handler (GtkTreeView *tree_view);
303 static void install_scroll_sync_handler (GtkTreeView *tree_view);
304 static void gtk_tree_view_set_top_row (GtkTreeView *tree_view,
305 GtkTreePath *path,
306 gint offset);
307 static void gtk_tree_view_dy_to_top_row (GtkTreeView *tree_view);
308 static void gtk_tree_view_top_row_to_dy (GtkTreeView *tree_view);
309 static void invalidate_empty_focus (GtkTreeView *tree_view);
310
311 /* Internal functions */
312 static gboolean gtk_tree_view_is_expander_column (GtkTreeView *tree_view,
313 GtkTreeViewColumn *column);
314 static void gtk_tree_view_add_move_binding (GtkBindingSet *binding_set,
315 guint keyval,
316 guint modmask,
317 gboolean add_shifted_binding,
318 GtkMovementStep step,
319 gint count);
320 static gint gtk_tree_view_unref_and_check_selection_tree (GtkTreeView *tree_view,
321 GtkRBTree *tree);
322 static void gtk_tree_view_queue_draw_path (GtkTreeView *tree_view,
323 GtkTreePath *path,
324 const GdkRectangle *clip_rect);
325 static void gtk_tree_view_queue_draw_arrow (GtkTreeView *tree_view,
326 GtkRBTree *tree,
327 GtkRBNode *node,
328 const GdkRectangle *clip_rect);
329 static void gtk_tree_view_draw_arrow (GtkTreeView *tree_view,
330 GtkRBTree *tree,
331 GtkRBNode *node,
332 gint x,
333 gint y);
334 static void gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view,
335 GtkRBTree *tree,
336 gint *x1,
337 gint *x2);
338 static gint gtk_tree_view_new_column_width (GtkTreeView *tree_view,
339 gint i,
340 gint *x);
341 static void gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment,
342 GtkTreeView *tree_view);
343 static void gtk_tree_view_build_tree (GtkTreeView *tree_view,
344 GtkRBTree *tree,
345 GtkTreeIter *iter,
346 gint depth,
347 gboolean recurse);
348 static void gtk_tree_view_clamp_node_visible (GtkTreeView *tree_view,
349 GtkRBTree *tree,
350 GtkRBNode *node);
351 static void gtk_tree_view_clamp_column_visible (GtkTreeView *tree_view,
352 GtkTreeViewColumn *column,
353 gboolean focus_to_cell);
354 static gboolean gtk_tree_view_maybe_begin_dragging_row (GtkTreeView *tree_view,
355 GdkEventMotion *event);
356 static void gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view);
357 static void gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view,
358 gint count);
359 static void gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view,
360 gint count);
361 static void gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view,
362 gint count);
363 static void gtk_tree_view_move_cursor_start_end (GtkTreeView *tree_view,
364 gint count);
365 static gboolean gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
366 GtkTreePath *path,
367 GtkRBTree *tree,
368 GtkRBNode *node,
369 gboolean animate);
370 static gboolean gtk_tree_view_real_expand_row (GtkTreeView *tree_view,
371 GtkTreePath *path,
372 GtkRBTree *tree,
373 GtkRBNode *node,
374 gboolean open_all,
375 gboolean animate);
376 static void gtk_tree_view_real_set_cursor (GtkTreeView *tree_view,
377 GtkTreePath *path,
378 gboolean clear_and_select,
379 gboolean clamp_node);
380 static gboolean gtk_tree_view_has_special_cell (GtkTreeView *tree_view);
381 static void column_sizing_notify (GObject *object,
382 GParamSpec *pspec,
383 gpointer data);
384 static gboolean expand_collapse_timeout (gpointer data);
385 static void add_expand_collapse_timeout (GtkTreeView *tree_view,
386 GtkRBTree *tree,
387 GtkRBNode *node,
388 gboolean expand);
389 static void remove_expand_collapse_timeout (GtkTreeView *tree_view);
390 static void cancel_arrow_animation (GtkTreeView *tree_view);
391 static gboolean do_expand_collapse (GtkTreeView *tree_view);
392 static void gtk_tree_view_stop_rubber_band (GtkTreeView *tree_view);
393 static void update_prelight (GtkTreeView *tree_view,
394 int x,
395 int y);
396
397 /* interactive search */
398 static void gtk_tree_view_ensure_interactive_directory (GtkTreeView *tree_view);
399 static void gtk_tree_view_search_dialog_hide (GtkWidget *search_dialog,
400 GtkTreeView *tree_view);
401 static void gtk_tree_view_search_position_func (GtkTreeView *tree_view,
402 GtkWidget *search_dialog,
403 gpointer user_data);
404 static void gtk_tree_view_search_disable_popdown (GtkEntry *entry,
405 GtkMenu *menu,
406 gpointer data);
407 static void gtk_tree_view_search_preedit_changed (GtkIMContext *im_context,
408 GtkTreeView *tree_view);
409 static void gtk_tree_view_search_activate (GtkEntry *entry,
410 GtkTreeView *tree_view);
411 static gboolean gtk_tree_view_real_search_enable_popdown(gpointer data);
412 static void gtk_tree_view_search_enable_popdown (GtkWidget *widget,
413 gpointer data);
414 static gboolean gtk_tree_view_search_delete_event (GtkWidget *widget,
415 GdkEventAny *event,
416 GtkTreeView *tree_view);
417 static gboolean gtk_tree_view_search_button_press_event (GtkWidget *widget,
418 GdkEventButton *event,
419 GtkTreeView *tree_view);
420 static gboolean gtk_tree_view_search_scroll_event (GtkWidget *entry,
421 GdkEventScroll *event,
422 GtkTreeView *tree_view);
423 static gboolean gtk_tree_view_search_key_press_event (GtkWidget *entry,
424 GdkEventKey *event,
425 GtkTreeView *tree_view);
426 static gboolean gtk_tree_view_search_move (GtkWidget *window,
427 GtkTreeView *tree_view,
428 gboolean up);
429 static gboolean gtk_tree_view_search_equal_func (GtkTreeModel *model,
430 gint column,
431 const gchar *key,
432 GtkTreeIter *iter,
433 gpointer search_data);
434 static gboolean gtk_tree_view_search_iter (GtkTreeModel *model,
435 GtkTreeSelection *selection,
436 GtkTreeIter *iter,
437 const gchar *text,
438 gint *count,
439 gint n);
440 static void gtk_tree_view_search_init (GtkWidget *entry,
441 GtkTreeView *tree_view);
442 static void gtk_tree_view_put (GtkTreeView *tree_view,
443 GtkWidget *child_widget,
444 gint x,
445 gint y,
446 gint width,
447 gint height);
448 static gboolean gtk_tree_view_start_editing (GtkTreeView *tree_view,
449 GtkTreePath *cursor_path);
450 static void gtk_tree_view_real_start_editing (GtkTreeView *tree_view,
451 GtkTreeViewColumn *column,
452 GtkTreePath *path,
453 GtkCellEditable *cell_editable,
454 GdkRectangle *cell_area,
455 GdkEvent *event,
456 guint flags);
457 static void gtk_tree_view_stop_editing (GtkTreeView *tree_view,
458 gboolean cancel_editing);
459 static gboolean gtk_tree_view_real_start_interactive_search (GtkTreeView *tree_view,
460 gboolean keybinding);
461 static gboolean gtk_tree_view_start_interactive_search (GtkTreeView *tree_view);
462 static GtkTreeViewColumn *gtk_tree_view_get_drop_column (GtkTreeView *tree_view,
463 GtkTreeViewColumn *column,
464 gint drop_position);
465
466 /* GtkBuildable */
467 static void gtk_tree_view_buildable_add_child (GtkBuildable *tree_view,
468 GtkBuilder *builder,
469 GObject *child,
470 const gchar *type);
471 static GObject *gtk_tree_view_buildable_get_internal_child (GtkBuildable *buildable,
472 GtkBuilder *builder,
473 const gchar *childname);
474 static void gtk_tree_view_buildable_init (GtkBuildableIface *iface);
475
476
477 static gboolean scroll_row_timeout (gpointer data);
478 static void add_scroll_timeout (GtkTreeView *tree_view);
479 static void remove_scroll_timeout (GtkTreeView *tree_view);
480
481 static guint tree_view_signals [LAST_SIGNAL] = { 0 };
482
483
484
485 /* GType Methods
486 */
487
G_DEFINE_TYPE_WITH_CODE(GtkTreeView,gtk_tree_view,GTK_TYPE_CONTAINER,G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,gtk_tree_view_buildable_init))488 G_DEFINE_TYPE_WITH_CODE (GtkTreeView, gtk_tree_view, GTK_TYPE_CONTAINER,
489 G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
490 gtk_tree_view_buildable_init))
491
492 static void
493 gtk_tree_view_class_init (GtkTreeViewClass *class)
494 {
495 GObjectClass *o_class;
496 GtkObjectClass *object_class;
497 GtkWidgetClass *widget_class;
498 GtkContainerClass *container_class;
499 GtkBindingSet *binding_set;
500
501 binding_set = gtk_binding_set_by_class (class);
502
503 o_class = (GObjectClass *) class;
504 object_class = (GtkObjectClass *) class;
505 widget_class = (GtkWidgetClass *) class;
506 container_class = (GtkContainerClass *) class;
507
508 /* GObject signals */
509 o_class->set_property = gtk_tree_view_set_property;
510 o_class->get_property = gtk_tree_view_get_property;
511 o_class->finalize = gtk_tree_view_finalize;
512
513 /* GtkObject signals */
514 object_class->destroy = gtk_tree_view_destroy;
515
516 /* GtkWidget signals */
517 widget_class->map = gtk_tree_view_map;
518 widget_class->realize = gtk_tree_view_realize;
519 widget_class->unrealize = gtk_tree_view_unrealize;
520 widget_class->size_request = gtk_tree_view_size_request;
521 widget_class->size_allocate = gtk_tree_view_size_allocate;
522 widget_class->button_press_event = gtk_tree_view_button_press;
523 widget_class->button_release_event = gtk_tree_view_button_release;
524 widget_class->grab_broken_event = gtk_tree_view_grab_broken;
525 /*widget_class->configure_event = gtk_tree_view_configure;*/
526 widget_class->motion_notify_event = gtk_tree_view_motion;
527 widget_class->expose_event = gtk_tree_view_expose;
528 widget_class->key_press_event = gtk_tree_view_key_press;
529 widget_class->key_release_event = gtk_tree_view_key_release;
530 widget_class->enter_notify_event = gtk_tree_view_enter_notify;
531 widget_class->leave_notify_event = gtk_tree_view_leave_notify;
532 widget_class->focus_out_event = gtk_tree_view_focus_out;
533 widget_class->drag_begin = gtk_tree_view_drag_begin;
534 widget_class->drag_end = gtk_tree_view_drag_end;
535 widget_class->drag_data_get = gtk_tree_view_drag_data_get;
536 widget_class->drag_data_delete = gtk_tree_view_drag_data_delete;
537 widget_class->drag_leave = gtk_tree_view_drag_leave;
538 widget_class->drag_motion = gtk_tree_view_drag_motion;
539 widget_class->drag_drop = gtk_tree_view_drag_drop;
540 widget_class->drag_data_received = gtk_tree_view_drag_data_received;
541 widget_class->focus = gtk_tree_view_focus;
542 widget_class->grab_focus = gtk_tree_view_grab_focus;
543 widget_class->style_set = gtk_tree_view_style_set;
544 widget_class->grab_notify = gtk_tree_view_grab_notify;
545 widget_class->state_changed = gtk_tree_view_state_changed;
546
547 /* GtkContainer signals */
548 container_class->remove = gtk_tree_view_remove;
549 container_class->forall = gtk_tree_view_forall;
550 container_class->set_focus_child = gtk_tree_view_set_focus_child;
551
552 class->set_scroll_adjustments = gtk_tree_view_set_adjustments;
553 class->move_cursor = gtk_tree_view_real_move_cursor;
554 class->select_all = gtk_tree_view_real_select_all;
555 class->unselect_all = gtk_tree_view_real_unselect_all;
556 class->select_cursor_row = gtk_tree_view_real_select_cursor_row;
557 class->toggle_cursor_row = gtk_tree_view_real_toggle_cursor_row;
558 class->expand_collapse_cursor_row = gtk_tree_view_real_expand_collapse_cursor_row;
559 class->select_cursor_parent = gtk_tree_view_real_select_cursor_parent;
560 class->start_interactive_search = gtk_tree_view_start_interactive_search;
561
562 /* Properties */
563
564 g_object_class_install_property (o_class,
565 PROP_MODEL,
566 g_param_spec_object ("model",
567 P_("TreeView Model"),
568 P_("The model for the tree view"),
569 GTK_TYPE_TREE_MODEL,
570 GTK_PARAM_READWRITE));
571
572 g_object_class_install_property (o_class,
573 PROP_HADJUSTMENT,
574 g_param_spec_object ("hadjustment",
575 P_("Horizontal Adjustment"),
576 P_("Horizontal Adjustment for the widget"),
577 GTK_TYPE_ADJUSTMENT,
578 GTK_PARAM_READWRITE));
579
580 g_object_class_install_property (o_class,
581 PROP_VADJUSTMENT,
582 g_param_spec_object ("vadjustment",
583 P_("Vertical Adjustment"),
584 P_("Vertical Adjustment for the widget"),
585 GTK_TYPE_ADJUSTMENT,
586 GTK_PARAM_READWRITE));
587
588 g_object_class_install_property (o_class,
589 PROP_HEADERS_VISIBLE,
590 g_param_spec_boolean ("headers-visible",
591 P_("Headers Visible"),
592 P_("Show the column header buttons"),
593 TRUE,
594 GTK_PARAM_READWRITE));
595
596 g_object_class_install_property (o_class,
597 PROP_HEADERS_CLICKABLE,
598 g_param_spec_boolean ("headers-clickable",
599 P_("Headers Clickable"),
600 P_("Column headers respond to click events"),
601 TRUE,
602 GTK_PARAM_READWRITE));
603
604 g_object_class_install_property (o_class,
605 PROP_EXPANDER_COLUMN,
606 g_param_spec_object ("expander-column",
607 P_("Expander Column"),
608 P_("Set the column for the expander column"),
609 GTK_TYPE_TREE_VIEW_COLUMN,
610 GTK_PARAM_READWRITE));
611
612 g_object_class_install_property (o_class,
613 PROP_REORDERABLE,
614 g_param_spec_boolean ("reorderable",
615 P_("Reorderable"),
616 P_("View is reorderable"),
617 FALSE,
618 GTK_PARAM_READWRITE));
619
620 g_object_class_install_property (o_class,
621 PROP_RULES_HINT,
622 g_param_spec_boolean ("rules-hint",
623 P_("Rules Hint"),
624 P_("Set a hint to the theme engine to draw rows in alternating colors"),
625 FALSE,
626 GTK_PARAM_READWRITE));
627
628 g_object_class_install_property (o_class,
629 PROP_ENABLE_SEARCH,
630 g_param_spec_boolean ("enable-search",
631 P_("Enable Search"),
632 P_("View allows user to search through columns interactively"),
633 TRUE,
634 GTK_PARAM_READWRITE));
635
636 g_object_class_install_property (o_class,
637 PROP_SEARCH_COLUMN,
638 g_param_spec_int ("search-column",
639 P_("Search Column"),
640 P_("Model column to search through during interactive search"),
641 -1,
642 G_MAXINT,
643 -1,
644 GTK_PARAM_READWRITE));
645
646 /**
647 * GtkTreeView:fixed-height-mode:
648 *
649 * Setting the ::fixed-height-mode property to %TRUE speeds up
650 * #GtkTreeView by assuming that all rows have the same height.
651 * Only enable this option if all rows are the same height.
652 * Please see gtk_tree_view_set_fixed_height_mode() for more
653 * information on this option.
654 *
655 * Since: 2.4
656 **/
657 g_object_class_install_property (o_class,
658 PROP_FIXED_HEIGHT_MODE,
659 g_param_spec_boolean ("fixed-height-mode",
660 P_("Fixed Height Mode"),
661 P_("Speeds up GtkTreeView by assuming that all rows have the same height"),
662 FALSE,
663 GTK_PARAM_READWRITE));
664
665 /**
666 * GtkTreeView:hover-selection:
667 *
668 * Enables of disables the hover selection mode of @tree_view.
669 * Hover selection makes the selected row follow the pointer.
670 * Currently, this works only for the selection modes
671 * %GTK_SELECTION_SINGLE and %GTK_SELECTION_BROWSE.
672 *
673 * This mode is primarily intended for treeviews in popups, e.g.
674 * in #GtkComboBox or #GtkEntryCompletion.
675 *
676 * Since: 2.6
677 */
678 g_object_class_install_property (o_class,
679 PROP_HOVER_SELECTION,
680 g_param_spec_boolean ("hover-selection",
681 P_("Hover Selection"),
682 P_("Whether the selection should follow the pointer"),
683 FALSE,
684 GTK_PARAM_READWRITE));
685
686 /**
687 * GtkTreeView:hover-expand:
688 *
689 * Enables of disables the hover expansion mode of @tree_view.
690 * Hover expansion makes rows expand or collapse if the pointer moves
691 * over them.
692 *
693 * This mode is primarily intended for treeviews in popups, e.g.
694 * in #GtkComboBox or #GtkEntryCompletion.
695 *
696 * Since: 2.6
697 */
698 g_object_class_install_property (o_class,
699 PROP_HOVER_EXPAND,
700 g_param_spec_boolean ("hover-expand",
701 P_("Hover Expand"),
702 P_("Whether rows should be expanded/collapsed when the pointer moves over them"),
703 FALSE,
704 GTK_PARAM_READWRITE));
705
706 /**
707 * GtkTreeView:show-expanders:
708 *
709 * %TRUE if the view has expanders.
710 *
711 * Since: 2.12
712 */
713 g_object_class_install_property (o_class,
714 PROP_SHOW_EXPANDERS,
715 g_param_spec_boolean ("show-expanders",
716 P_("Show Expanders"),
717 P_("View has expanders"),
718 TRUE,
719 GTK_PARAM_READWRITE));
720
721 /**
722 * GtkTreeView:level-indentation:
723 *
724 * Extra indentation for each level.
725 *
726 * Since: 2.12
727 */
728 g_object_class_install_property (o_class,
729 PROP_LEVEL_INDENTATION,
730 g_param_spec_int ("level-indentation",
731 P_("Level Indentation"),
732 P_("Extra indentation for each level"),
733 0,
734 G_MAXINT,
735 0,
736 GTK_PARAM_READWRITE));
737
738 g_object_class_install_property (o_class,
739 PROP_RUBBER_BANDING,
740 g_param_spec_boolean ("rubber-banding",
741 P_("Rubber Banding"),
742 P_("Whether to enable selection of multiple items by dragging the mouse pointer"),
743 FALSE,
744 GTK_PARAM_READWRITE));
745
746 g_object_class_install_property (o_class,
747 PROP_ENABLE_GRID_LINES,
748 g_param_spec_enum ("enable-grid-lines",
749 P_("Enable Grid Lines"),
750 P_("Whether grid lines should be drawn in the tree view"),
751 GTK_TYPE_TREE_VIEW_GRID_LINES,
752 GTK_TREE_VIEW_GRID_LINES_NONE,
753 GTK_PARAM_READWRITE));
754
755 g_object_class_install_property (o_class,
756 PROP_ENABLE_TREE_LINES,
757 g_param_spec_boolean ("enable-tree-lines",
758 P_("Enable Tree Lines"),
759 P_("Whether tree lines should be drawn in the tree view"),
760 FALSE,
761 GTK_PARAM_READWRITE));
762
763 g_object_class_install_property (o_class,
764 PROP_TOOLTIP_COLUMN,
765 g_param_spec_int ("tooltip-column",
766 P_("Tooltip Column"),
767 P_("The column in the model containing the tooltip texts for the rows"),
768 -1,
769 G_MAXINT,
770 -1,
771 GTK_PARAM_READWRITE));
772
773 /* Style properties */
774 #define _TREE_VIEW_EXPANDER_SIZE 12
775 #define _TREE_VIEW_VERTICAL_SEPARATOR 2
776 #define _TREE_VIEW_HORIZONTAL_SEPARATOR 2
777
778 gtk_widget_class_install_style_property (widget_class,
779 g_param_spec_int ("expander-size",
780 P_("Expander Size"),
781 P_("Size of the expander arrow"),
782 0,
783 G_MAXINT,
784 _TREE_VIEW_EXPANDER_SIZE,
785 GTK_PARAM_READABLE));
786
787 gtk_widget_class_install_style_property (widget_class,
788 g_param_spec_int ("vertical-separator",
789 P_("Vertical Separator Width"),
790 P_("Vertical space between cells. Must be an even number"),
791 0,
792 G_MAXINT,
793 _TREE_VIEW_VERTICAL_SEPARATOR,
794 GTK_PARAM_READABLE));
795
796 gtk_widget_class_install_style_property (widget_class,
797 g_param_spec_int ("horizontal-separator",
798 P_("Horizontal Separator Width"),
799 P_("Horizontal space between cells. Must be an even number"),
800 0,
801 G_MAXINT,
802 _TREE_VIEW_HORIZONTAL_SEPARATOR,
803 GTK_PARAM_READABLE));
804
805 gtk_widget_class_install_style_property (widget_class,
806 g_param_spec_boolean ("allow-rules",
807 P_("Allow Rules"),
808 P_("Allow drawing of alternating color rows"),
809 TRUE,
810 GTK_PARAM_READABLE));
811
812 gtk_widget_class_install_style_property (widget_class,
813 g_param_spec_boolean ("indent-expanders",
814 P_("Indent Expanders"),
815 P_("Make the expanders indented"),
816 TRUE,
817 GTK_PARAM_READABLE));
818
819 gtk_widget_class_install_style_property (widget_class,
820 g_param_spec_boxed ("even-row-color",
821 P_("Even Row Color"),
822 P_("Color to use for even rows"),
823 GDK_TYPE_COLOR,
824 GTK_PARAM_READABLE));
825
826 gtk_widget_class_install_style_property (widget_class,
827 g_param_spec_boxed ("odd-row-color",
828 P_("Odd Row Color"),
829 P_("Color to use for odd rows"),
830 GDK_TYPE_COLOR,
831 GTK_PARAM_READABLE));
832
833 /**
834 * GtkTreeView:row-ending-details:
835 *
836 * Enable extended row background themeing
837 *
838 * Deprecated: 2.22: This style property will be removed in GTK+ 3
839 */
840 gtk_widget_class_install_style_property (widget_class,
841 g_param_spec_boolean ("row-ending-details",
842 P_("Row Ending details"),
843 P_("Enable extended row background theming"),
844 FALSE,
845 GTK_PARAM_READABLE));
846
847 gtk_widget_class_install_style_property (widget_class,
848 g_param_spec_int ("grid-line-width",
849 P_("Grid line width"),
850 P_("Width, in pixels, of the tree view grid lines"),
851 0, G_MAXINT, 1,
852 GTK_PARAM_READABLE));
853
854 gtk_widget_class_install_style_property (widget_class,
855 g_param_spec_int ("tree-line-width",
856 P_("Tree line width"),
857 P_("Width, in pixels, of the tree view lines"),
858 0, G_MAXINT, 1,
859 GTK_PARAM_READABLE));
860
861 gtk_widget_class_install_style_property (widget_class,
862 g_param_spec_string ("grid-line-pattern",
863 P_("Grid line pattern"),
864 P_("Dash pattern used to draw the tree view grid lines"),
865 "\1\1",
866 GTK_PARAM_READABLE));
867
868 gtk_widget_class_install_style_property (widget_class,
869 g_param_spec_string ("tree-line-pattern",
870 P_("Tree line pattern"),
871 P_("Dash pattern used to draw the tree view lines"),
872 "\1\1",
873 GTK_PARAM_READABLE));
874
875 /* Signals */
876 /**
877 * GtkTreeView::set-scroll-adjustments
878 * @horizontal: the horizontal #GtkAdjustment
879 * @vertical: the vertical #GtkAdjustment
880 *
881 * Set the scroll adjustments for the tree view. Usually scrolled containers
882 * like #GtkScrolledWindow will emit this signal to connect two instances
883 * of #GtkScrollbar to the scroll directions of the #GtkTreeView.
884 */
885 widget_class->set_scroll_adjustments_signal =
886 g_signal_new (I_("set-scroll-adjustments"),
887 G_TYPE_FROM_CLASS (o_class),
888 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
889 G_STRUCT_OFFSET (GtkTreeViewClass, set_scroll_adjustments),
890 NULL, NULL,
891 _gtk_marshal_VOID__OBJECT_OBJECT,
892 G_TYPE_NONE, 2,
893 GTK_TYPE_ADJUSTMENT,
894 GTK_TYPE_ADJUSTMENT);
895
896 /**
897 * GtkTreeView::row-activated:
898 * @tree_view: the object on which the signal is emitted
899 * @path: the #GtkTreePath for the activated row
900 * @column: the #GtkTreeViewColumn in which the activation occurred
901 *
902 * The "row-activated" signal is emitted when the method
903 * gtk_tree_view_row_activated() is called or the user double clicks
904 * a treeview row. It is also emitted when a non-editable row is
905 * selected and one of the keys: Space, Shift+Space, Return or
906 * Enter is pressed.
907 *
908 * For selection handling refer to the <link linkend="TreeWidget">tree
909 * widget conceptual overview</link> as well as #GtkTreeSelection.
910 */
911 tree_view_signals[ROW_ACTIVATED] =
912 g_signal_new (I_("row-activated"),
913 G_TYPE_FROM_CLASS (o_class),
914 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
915 G_STRUCT_OFFSET (GtkTreeViewClass, row_activated),
916 NULL, NULL,
917 _gtk_marshal_VOID__BOXED_OBJECT,
918 G_TYPE_NONE, 2,
919 GTK_TYPE_TREE_PATH,
920 GTK_TYPE_TREE_VIEW_COLUMN);
921
922 /**
923 * GtkTreeView::test-expand-row:
924 * @tree_view: the object on which the signal is emitted
925 * @iter: the tree iter of the row to expand
926 * @path: a tree path that points to the row
927 *
928 * The given row is about to be expanded (show its children nodes). Use this
929 * signal if you need to control the expandability of individual rows.
930 *
931 * Returns: %FALSE to allow expansion, %TRUE to reject
932 */
933 tree_view_signals[TEST_EXPAND_ROW] =
934 g_signal_new (I_("test-expand-row"),
935 G_TYPE_FROM_CLASS (o_class),
936 G_SIGNAL_RUN_LAST,
937 G_STRUCT_OFFSET (GtkTreeViewClass, test_expand_row),
938 _gtk_boolean_handled_accumulator, NULL,
939 _gtk_marshal_BOOLEAN__BOXED_BOXED,
940 G_TYPE_BOOLEAN, 2,
941 GTK_TYPE_TREE_ITER,
942 GTK_TYPE_TREE_PATH);
943
944 /**
945 * GtkTreeView::test-collapse-row:
946 * @tree_view: the object on which the signal is emitted
947 * @iter: the tree iter of the row to collapse
948 * @path: a tree path that points to the row
949 *
950 * The given row is about to be collapsed (hide its children nodes). Use this
951 * signal if you need to control the collapsibility of individual rows.
952 *
953 * Returns: %FALSE to allow collapsing, %TRUE to reject
954 */
955 tree_view_signals[TEST_COLLAPSE_ROW] =
956 g_signal_new (I_("test-collapse-row"),
957 G_TYPE_FROM_CLASS (o_class),
958 G_SIGNAL_RUN_LAST,
959 G_STRUCT_OFFSET (GtkTreeViewClass, test_collapse_row),
960 _gtk_boolean_handled_accumulator, NULL,
961 _gtk_marshal_BOOLEAN__BOXED_BOXED,
962 G_TYPE_BOOLEAN, 2,
963 GTK_TYPE_TREE_ITER,
964 GTK_TYPE_TREE_PATH);
965
966 /**
967 * GtkTreeView::row-expanded:
968 * @tree_view: the object on which the signal is emitted
969 * @iter: the tree iter of the expanded row
970 * @path: a tree path that points to the row
971 *
972 * The given row has been expanded (child nodes are shown).
973 */
974 tree_view_signals[ROW_EXPANDED] =
975 g_signal_new (I_("row-expanded"),
976 G_TYPE_FROM_CLASS (o_class),
977 G_SIGNAL_RUN_LAST,
978 G_STRUCT_OFFSET (GtkTreeViewClass, row_expanded),
979 NULL, NULL,
980 _gtk_marshal_VOID__BOXED_BOXED,
981 G_TYPE_NONE, 2,
982 GTK_TYPE_TREE_ITER,
983 GTK_TYPE_TREE_PATH);
984
985 /**
986 * GtkTreeView::row-collapsed:
987 * @tree_view: the object on which the signal is emitted
988 * @iter: the tree iter of the collapsed row
989 * @path: a tree path that points to the row
990 *
991 * The given row has been collapsed (child nodes are hidden).
992 */
993 tree_view_signals[ROW_COLLAPSED] =
994 g_signal_new (I_("row-collapsed"),
995 G_TYPE_FROM_CLASS (o_class),
996 G_SIGNAL_RUN_LAST,
997 G_STRUCT_OFFSET (GtkTreeViewClass, row_collapsed),
998 NULL, NULL,
999 _gtk_marshal_VOID__BOXED_BOXED,
1000 G_TYPE_NONE, 2,
1001 GTK_TYPE_TREE_ITER,
1002 GTK_TYPE_TREE_PATH);
1003
1004 /**
1005 * GtkTreeView::columns-changed:
1006 * @tree_view: the object on which the signal is emitted
1007 *
1008 * The number of columns of the treeview has changed.
1009 */
1010 tree_view_signals[COLUMNS_CHANGED] =
1011 g_signal_new (I_("columns-changed"),
1012 G_TYPE_FROM_CLASS (o_class),
1013 G_SIGNAL_RUN_LAST,
1014 G_STRUCT_OFFSET (GtkTreeViewClass, columns_changed),
1015 NULL, NULL,
1016 _gtk_marshal_VOID__VOID,
1017 G_TYPE_NONE, 0);
1018
1019 /**
1020 * GtkTreeView::cursor-changed:
1021 * @tree_view: the object on which the signal is emitted
1022 *
1023 * The position of the cursor (focused cell) has changed.
1024 */
1025 tree_view_signals[CURSOR_CHANGED] =
1026 g_signal_new (I_("cursor-changed"),
1027 G_TYPE_FROM_CLASS (o_class),
1028 G_SIGNAL_RUN_LAST,
1029 G_STRUCT_OFFSET (GtkTreeViewClass, cursor_changed),
1030 NULL, NULL,
1031 _gtk_marshal_VOID__VOID,
1032 G_TYPE_NONE, 0);
1033
1034 tree_view_signals[MOVE_CURSOR] =
1035 g_signal_new (I_("move-cursor"),
1036 G_TYPE_FROM_CLASS (object_class),
1037 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1038 G_STRUCT_OFFSET (GtkTreeViewClass, move_cursor),
1039 NULL, NULL,
1040 _gtk_marshal_BOOLEAN__ENUM_INT,
1041 G_TYPE_BOOLEAN, 2,
1042 GTK_TYPE_MOVEMENT_STEP,
1043 G_TYPE_INT);
1044
1045 tree_view_signals[SELECT_ALL] =
1046 g_signal_new (I_("select-all"),
1047 G_TYPE_FROM_CLASS (object_class),
1048 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1049 G_STRUCT_OFFSET (GtkTreeViewClass, select_all),
1050 NULL, NULL,
1051 _gtk_marshal_BOOLEAN__VOID,
1052 G_TYPE_BOOLEAN, 0);
1053
1054 tree_view_signals[UNSELECT_ALL] =
1055 g_signal_new (I_("unselect-all"),
1056 G_TYPE_FROM_CLASS (object_class),
1057 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1058 G_STRUCT_OFFSET (GtkTreeViewClass, unselect_all),
1059 NULL, NULL,
1060 _gtk_marshal_BOOLEAN__VOID,
1061 G_TYPE_BOOLEAN, 0);
1062
1063 tree_view_signals[SELECT_CURSOR_ROW] =
1064 g_signal_new (I_("select-cursor-row"),
1065 G_TYPE_FROM_CLASS (object_class),
1066 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1067 G_STRUCT_OFFSET (GtkTreeViewClass, select_cursor_row),
1068 NULL, NULL,
1069 _gtk_marshal_BOOLEAN__BOOLEAN,
1070 G_TYPE_BOOLEAN, 1,
1071 G_TYPE_BOOLEAN);
1072
1073 tree_view_signals[TOGGLE_CURSOR_ROW] =
1074 g_signal_new (I_("toggle-cursor-row"),
1075 G_TYPE_FROM_CLASS (object_class),
1076 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1077 G_STRUCT_OFFSET (GtkTreeViewClass, toggle_cursor_row),
1078 NULL, NULL,
1079 _gtk_marshal_BOOLEAN__VOID,
1080 G_TYPE_BOOLEAN, 0);
1081
1082 tree_view_signals[EXPAND_COLLAPSE_CURSOR_ROW] =
1083 g_signal_new (I_("expand-collapse-cursor-row"),
1084 G_TYPE_FROM_CLASS (object_class),
1085 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1086 G_STRUCT_OFFSET (GtkTreeViewClass, expand_collapse_cursor_row),
1087 NULL, NULL,
1088 _gtk_marshal_BOOLEAN__BOOLEAN_BOOLEAN_BOOLEAN,
1089 G_TYPE_BOOLEAN, 3,
1090 G_TYPE_BOOLEAN,
1091 G_TYPE_BOOLEAN,
1092 G_TYPE_BOOLEAN);
1093
1094 tree_view_signals[SELECT_CURSOR_PARENT] =
1095 g_signal_new (I_("select-cursor-parent"),
1096 G_TYPE_FROM_CLASS (object_class),
1097 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1098 G_STRUCT_OFFSET (GtkTreeViewClass, select_cursor_parent),
1099 NULL, NULL,
1100 _gtk_marshal_BOOLEAN__VOID,
1101 G_TYPE_BOOLEAN, 0);
1102
1103 tree_view_signals[START_INTERACTIVE_SEARCH] =
1104 g_signal_new (I_("start-interactive-search"),
1105 G_TYPE_FROM_CLASS (object_class),
1106 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1107 G_STRUCT_OFFSET (GtkTreeViewClass, start_interactive_search),
1108 NULL, NULL,
1109 _gtk_marshal_BOOLEAN__VOID,
1110 G_TYPE_BOOLEAN, 0);
1111
1112 /* Key bindings */
1113 gtk_tree_view_add_move_binding (binding_set, GDK_Up, 0, TRUE,
1114 GTK_MOVEMENT_DISPLAY_LINES, -1);
1115 gtk_tree_view_add_move_binding (binding_set, GDK_KP_Up, 0, TRUE,
1116 GTK_MOVEMENT_DISPLAY_LINES, -1);
1117
1118 gtk_tree_view_add_move_binding (binding_set, GDK_Down, 0, TRUE,
1119 GTK_MOVEMENT_DISPLAY_LINES, 1);
1120 gtk_tree_view_add_move_binding (binding_set, GDK_KP_Down, 0, TRUE,
1121 GTK_MOVEMENT_DISPLAY_LINES, 1);
1122
1123 gtk_tree_view_add_move_binding (binding_set, GDK_p, GDK_CONTROL_MASK, FALSE,
1124 GTK_MOVEMENT_DISPLAY_LINES, -1);
1125
1126 gtk_tree_view_add_move_binding (binding_set, GDK_n, GDK_CONTROL_MASK, FALSE,
1127 GTK_MOVEMENT_DISPLAY_LINES, 1);
1128
1129 gtk_tree_view_add_move_binding (binding_set, GDK_Home, 0, TRUE,
1130 GTK_MOVEMENT_BUFFER_ENDS, -1);
1131 gtk_tree_view_add_move_binding (binding_set, GDK_KP_Home, 0, TRUE,
1132 GTK_MOVEMENT_BUFFER_ENDS, -1);
1133
1134 gtk_tree_view_add_move_binding (binding_set, GDK_End, 0, TRUE,
1135 GTK_MOVEMENT_BUFFER_ENDS, 1);
1136 gtk_tree_view_add_move_binding (binding_set, GDK_KP_End, 0, TRUE,
1137 GTK_MOVEMENT_BUFFER_ENDS, 1);
1138
1139 gtk_tree_view_add_move_binding (binding_set, GDK_Page_Up, 0, TRUE,
1140 GTK_MOVEMENT_PAGES, -1);
1141 gtk_tree_view_add_move_binding (binding_set, GDK_KP_Page_Up, 0, TRUE,
1142 GTK_MOVEMENT_PAGES, -1);
1143
1144 gtk_tree_view_add_move_binding (binding_set, GDK_Page_Down, 0, TRUE,
1145 GTK_MOVEMENT_PAGES, 1);
1146 gtk_tree_view_add_move_binding (binding_set, GDK_KP_Page_Down, 0, TRUE,
1147 GTK_MOVEMENT_PAGES, 1);
1148
1149
1150 gtk_binding_entry_add_signal (binding_set, GDK_Right, 0, "move-cursor", 2,
1151 G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
1152 G_TYPE_INT, 1);
1153
1154 gtk_binding_entry_add_signal (binding_set, GDK_Left, 0, "move-cursor", 2,
1155 G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
1156 G_TYPE_INT, -1);
1157
1158 gtk_binding_entry_add_signal (binding_set, GDK_KP_Right, 0, "move-cursor", 2,
1159 G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
1160 G_TYPE_INT, 1);
1161
1162 gtk_binding_entry_add_signal (binding_set, GDK_KP_Left, 0, "move-cursor", 2,
1163 G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
1164 G_TYPE_INT, -1);
1165
1166 gtk_binding_entry_add_signal (binding_set, GDK_Right, GDK_CONTROL_MASK,
1167 "move-cursor", 2,
1168 G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
1169 G_TYPE_INT, 1);
1170
1171 gtk_binding_entry_add_signal (binding_set, GDK_Left, GDK_CONTROL_MASK,
1172 "move-cursor", 2,
1173 G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
1174 G_TYPE_INT, -1);
1175
1176 gtk_binding_entry_add_signal (binding_set, GDK_KP_Right, GDK_CONTROL_MASK,
1177 "move-cursor", 2,
1178 G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
1179 G_TYPE_INT, 1);
1180
1181 gtk_binding_entry_add_signal (binding_set, GDK_KP_Left, GDK_CONTROL_MASK,
1182 "move-cursor", 2,
1183 G_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
1184 G_TYPE_INT, -1);
1185
1186 gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK, "toggle-cursor-row", 0);
1187 gtk_binding_entry_add_signal (binding_set, GDK_KP_Space, GDK_CONTROL_MASK, "toggle-cursor-row", 0);
1188
1189 gtk_binding_entry_add_signal (binding_set, GDK_a, GDK_CONTROL_MASK, "select-all", 0);
1190 gtk_binding_entry_add_signal (binding_set, GDK_slash, GDK_CONTROL_MASK, "select-all", 0);
1191
1192 gtk_binding_entry_add_signal (binding_set, GDK_A, GDK_CONTROL_MASK | GDK_SHIFT_MASK, "unselect-all", 0);
1193 gtk_binding_entry_add_signal (binding_set, GDK_backslash, GDK_CONTROL_MASK, "unselect-all", 0);
1194
1195 gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_SHIFT_MASK, "select-cursor-row", 1,
1196 G_TYPE_BOOLEAN, TRUE);
1197 gtk_binding_entry_add_signal (binding_set, GDK_KP_Space, GDK_SHIFT_MASK, "select-cursor-row", 1,
1198 G_TYPE_BOOLEAN, TRUE);
1199
1200 gtk_binding_entry_add_signal (binding_set, GDK_space, 0, "select-cursor-row", 1,
1201 G_TYPE_BOOLEAN, TRUE);
1202 gtk_binding_entry_add_signal (binding_set, GDK_KP_Space, 0, "select-cursor-row", 1,
1203 G_TYPE_BOOLEAN, TRUE);
1204 gtk_binding_entry_add_signal (binding_set, GDK_Return, 0, "select-cursor-row", 1,
1205 G_TYPE_BOOLEAN, TRUE);
1206 gtk_binding_entry_add_signal (binding_set, GDK_ISO_Enter, 0, "select-cursor-row", 1,
1207 G_TYPE_BOOLEAN, TRUE);
1208 gtk_binding_entry_add_signal (binding_set, GDK_KP_Enter, 0, "select-cursor-row", 1,
1209 G_TYPE_BOOLEAN, TRUE);
1210
1211 /* expand and collapse rows */
1212 gtk_binding_entry_add_signal (binding_set, GDK_plus, 0, "expand-collapse-cursor-row", 3,
1213 G_TYPE_BOOLEAN, TRUE,
1214 G_TYPE_BOOLEAN, TRUE,
1215 G_TYPE_BOOLEAN, FALSE);
1216
1217 gtk_binding_entry_add_signal (binding_set, GDK_asterisk, 0,
1218 "expand-collapse-cursor-row", 3,
1219 G_TYPE_BOOLEAN, TRUE,
1220 G_TYPE_BOOLEAN, TRUE,
1221 G_TYPE_BOOLEAN, TRUE);
1222 gtk_binding_entry_add_signal (binding_set, GDK_KP_Multiply, 0,
1223 "expand-collapse-cursor-row", 3,
1224 G_TYPE_BOOLEAN, TRUE,
1225 G_TYPE_BOOLEAN, TRUE,
1226 G_TYPE_BOOLEAN, TRUE);
1227
1228 gtk_binding_entry_add_signal (binding_set, GDK_slash, 0,
1229 "expand-collapse-cursor-row", 3,
1230 G_TYPE_BOOLEAN, TRUE,
1231 G_TYPE_BOOLEAN, FALSE,
1232 G_TYPE_BOOLEAN, FALSE);
1233 gtk_binding_entry_add_signal (binding_set, GDK_KP_Divide, 0,
1234 "expand-collapse-cursor-row", 3,
1235 G_TYPE_BOOLEAN, TRUE,
1236 G_TYPE_BOOLEAN, FALSE,
1237 G_TYPE_BOOLEAN, FALSE);
1238
1239 /* Not doable on US keyboards */
1240 gtk_binding_entry_add_signal (binding_set, GDK_plus, GDK_SHIFT_MASK, "expand-collapse-cursor-row", 3,
1241 G_TYPE_BOOLEAN, TRUE,
1242 G_TYPE_BOOLEAN, TRUE,
1243 G_TYPE_BOOLEAN, TRUE);
1244 gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, 0, "expand-collapse-cursor-row", 3,
1245 G_TYPE_BOOLEAN, TRUE,
1246 G_TYPE_BOOLEAN, TRUE,
1247 G_TYPE_BOOLEAN, FALSE);
1248 gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, GDK_SHIFT_MASK, "expand-collapse-cursor-row", 3,
1249 G_TYPE_BOOLEAN, TRUE,
1250 G_TYPE_BOOLEAN, TRUE,
1251 G_TYPE_BOOLEAN, TRUE);
1252 gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, GDK_SHIFT_MASK, "expand-collapse-cursor-row", 3,
1253 G_TYPE_BOOLEAN, TRUE,
1254 G_TYPE_BOOLEAN, TRUE,
1255 G_TYPE_BOOLEAN, TRUE);
1256 gtk_binding_entry_add_signal (binding_set, GDK_Right, GDK_SHIFT_MASK,
1257 "expand-collapse-cursor-row", 3,
1258 G_TYPE_BOOLEAN, FALSE,
1259 G_TYPE_BOOLEAN, TRUE,
1260 G_TYPE_BOOLEAN, TRUE);
1261 gtk_binding_entry_add_signal (binding_set, GDK_KP_Right, GDK_SHIFT_MASK,
1262 "expand-collapse-cursor-row", 3,
1263 G_TYPE_BOOLEAN, FALSE,
1264 G_TYPE_BOOLEAN, TRUE,
1265 G_TYPE_BOOLEAN, TRUE);
1266 gtk_binding_entry_add_signal (binding_set, GDK_Right,
1267 GDK_CONTROL_MASK | GDK_SHIFT_MASK,
1268 "expand-collapse-cursor-row", 3,
1269 G_TYPE_BOOLEAN, FALSE,
1270 G_TYPE_BOOLEAN, TRUE,
1271 G_TYPE_BOOLEAN, TRUE);
1272 gtk_binding_entry_add_signal (binding_set, GDK_KP_Right,
1273 GDK_CONTROL_MASK | GDK_SHIFT_MASK,
1274 "expand-collapse-cursor-row", 3,
1275 G_TYPE_BOOLEAN, FALSE,
1276 G_TYPE_BOOLEAN, TRUE,
1277 G_TYPE_BOOLEAN, TRUE);
1278
1279 gtk_binding_entry_add_signal (binding_set, GDK_minus, 0, "expand-collapse-cursor-row", 3,
1280 G_TYPE_BOOLEAN, TRUE,
1281 G_TYPE_BOOLEAN, FALSE,
1282 G_TYPE_BOOLEAN, FALSE);
1283 gtk_binding_entry_add_signal (binding_set, GDK_minus, GDK_SHIFT_MASK, "expand-collapse-cursor-row", 3,
1284 G_TYPE_BOOLEAN, TRUE,
1285 G_TYPE_BOOLEAN, FALSE,
1286 G_TYPE_BOOLEAN, TRUE);
1287 gtk_binding_entry_add_signal (binding_set, GDK_KP_Subtract, 0, "expand-collapse-cursor-row", 3,
1288 G_TYPE_BOOLEAN, TRUE,
1289 G_TYPE_BOOLEAN, FALSE,
1290 G_TYPE_BOOLEAN, FALSE);
1291 gtk_binding_entry_add_signal (binding_set, GDK_KP_Subtract, GDK_SHIFT_MASK, "expand-collapse-cursor-row", 3,
1292 G_TYPE_BOOLEAN, TRUE,
1293 G_TYPE_BOOLEAN, FALSE,
1294 G_TYPE_BOOLEAN, TRUE);
1295 gtk_binding_entry_add_signal (binding_set, GDK_Left, GDK_SHIFT_MASK,
1296 "expand-collapse-cursor-row", 3,
1297 G_TYPE_BOOLEAN, FALSE,
1298 G_TYPE_BOOLEAN, FALSE,
1299 G_TYPE_BOOLEAN, TRUE);
1300 gtk_binding_entry_add_signal (binding_set, GDK_KP_Left, GDK_SHIFT_MASK,
1301 "expand-collapse-cursor-row", 3,
1302 G_TYPE_BOOLEAN, FALSE,
1303 G_TYPE_BOOLEAN, FALSE,
1304 G_TYPE_BOOLEAN, TRUE);
1305 gtk_binding_entry_add_signal (binding_set, GDK_Left,
1306 GDK_CONTROL_MASK | GDK_SHIFT_MASK,
1307 "expand-collapse-cursor-row", 3,
1308 G_TYPE_BOOLEAN, FALSE,
1309 G_TYPE_BOOLEAN, FALSE,
1310 G_TYPE_BOOLEAN, TRUE);
1311 gtk_binding_entry_add_signal (binding_set, GDK_KP_Left,
1312 GDK_CONTROL_MASK | GDK_SHIFT_MASK,
1313 "expand-collapse-cursor-row", 3,
1314 G_TYPE_BOOLEAN, FALSE,
1315 G_TYPE_BOOLEAN, FALSE,
1316 G_TYPE_BOOLEAN, TRUE);
1317
1318 gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, 0, "select-cursor-parent", 0);
1319 gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, GDK_CONTROL_MASK, "select-cursor-parent", 0);
1320
1321 gtk_binding_entry_add_signal (binding_set, GDK_f, GDK_CONTROL_MASK, "start-interactive-search", 0);
1322
1323 gtk_binding_entry_add_signal (binding_set, GDK_F, GDK_CONTROL_MASK, "start-interactive-search", 0);
1324
1325 g_type_class_add_private (o_class, sizeof (GtkTreeViewPrivate));
1326 }
1327
1328 static void
gtk_tree_view_init(GtkTreeView * tree_view)1329 gtk_tree_view_init (GtkTreeView *tree_view)
1330 {
1331 tree_view->priv = G_TYPE_INSTANCE_GET_PRIVATE (tree_view, GTK_TYPE_TREE_VIEW, GtkTreeViewPrivate);
1332
1333 gtk_widget_set_can_focus (GTK_WIDGET (tree_view), TRUE);
1334 gtk_widget_set_redraw_on_allocate (GTK_WIDGET (tree_view), FALSE);
1335
1336 tree_view->priv->flags = GTK_TREE_VIEW_SHOW_EXPANDERS
1337 | GTK_TREE_VIEW_DRAW_KEYFOCUS
1338 | GTK_TREE_VIEW_HEADERS_VISIBLE;
1339
1340 /* We need some padding */
1341 tree_view->priv->dy = 0;
1342 tree_view->priv->cursor_offset = 0;
1343 tree_view->priv->n_columns = 0;
1344 tree_view->priv->header_height = 1;
1345 tree_view->priv->x_drag = 0;
1346 tree_view->priv->drag_pos = -1;
1347 tree_view->priv->header_has_focus = FALSE;
1348 tree_view->priv->pressed_button = -1;
1349 tree_view->priv->press_start_x = -1;
1350 tree_view->priv->press_start_y = -1;
1351 tree_view->priv->reorderable = FALSE;
1352 tree_view->priv->presize_handler_timer = 0;
1353 tree_view->priv->scroll_sync_timer = 0;
1354 tree_view->priv->fixed_height = -1;
1355 tree_view->priv->fixed_height_mode = FALSE;
1356 tree_view->priv->fixed_height_check = 0;
1357 gtk_tree_view_set_adjustments (tree_view, NULL, NULL);
1358 tree_view->priv->selection = _gtk_tree_selection_new_with_tree_view (tree_view);
1359 tree_view->priv->enable_search = TRUE;
1360 tree_view->priv->search_column = -1;
1361 tree_view->priv->search_position_func = gtk_tree_view_search_position_func;
1362 tree_view->priv->search_equal_func = gtk_tree_view_search_equal_func;
1363 tree_view->priv->search_custom_entry_set = FALSE;
1364 tree_view->priv->typeselect_flush_timeout = 0;
1365 tree_view->priv->init_hadjust_value = TRUE;
1366 tree_view->priv->width = 0;
1367
1368 tree_view->priv->hover_selection = FALSE;
1369 tree_view->priv->hover_expand = FALSE;
1370
1371 tree_view->priv->level_indentation = 0;
1372
1373 tree_view->priv->rubber_banding_enable = FALSE;
1374
1375 tree_view->priv->grid_lines = GTK_TREE_VIEW_GRID_LINES_NONE;
1376 tree_view->priv->tree_lines_enabled = FALSE;
1377
1378 tree_view->priv->tooltip_column = -1;
1379
1380 tree_view->priv->post_validation_flag = FALSE;
1381
1382 tree_view->priv->last_button_x = -1;
1383 tree_view->priv->last_button_y = -1;
1384
1385 tree_view->priv->event_last_x = -10000;
1386 tree_view->priv->event_last_y = -10000;
1387 }
1388
1389
1390
1391 /* GObject Methods
1392 */
1393
1394 static void
gtk_tree_view_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)1395 gtk_tree_view_set_property (GObject *object,
1396 guint prop_id,
1397 const GValue *value,
1398 GParamSpec *pspec)
1399 {
1400 GtkTreeView *tree_view;
1401
1402 tree_view = GTK_TREE_VIEW (object);
1403
1404 switch (prop_id)
1405 {
1406 case PROP_MODEL:
1407 gtk_tree_view_set_model (tree_view, g_value_get_object (value));
1408 break;
1409 case PROP_HADJUSTMENT:
1410 gtk_tree_view_set_hadjustment (tree_view, g_value_get_object (value));
1411 break;
1412 case PROP_VADJUSTMENT:
1413 gtk_tree_view_set_vadjustment (tree_view, g_value_get_object (value));
1414 break;
1415 case PROP_HEADERS_VISIBLE:
1416 gtk_tree_view_set_headers_visible (tree_view, g_value_get_boolean (value));
1417 break;
1418 case PROP_HEADERS_CLICKABLE:
1419 gtk_tree_view_set_headers_clickable (tree_view, g_value_get_boolean (value));
1420 break;
1421 case PROP_EXPANDER_COLUMN:
1422 gtk_tree_view_set_expander_column (tree_view, g_value_get_object (value));
1423 break;
1424 case PROP_REORDERABLE:
1425 gtk_tree_view_set_reorderable (tree_view, g_value_get_boolean (value));
1426 break;
1427 case PROP_RULES_HINT:
1428 gtk_tree_view_set_rules_hint (tree_view, g_value_get_boolean (value));
1429 break;
1430 case PROP_ENABLE_SEARCH:
1431 gtk_tree_view_set_enable_search (tree_view, g_value_get_boolean (value));
1432 break;
1433 case PROP_SEARCH_COLUMN:
1434 gtk_tree_view_set_search_column (tree_view, g_value_get_int (value));
1435 break;
1436 case PROP_FIXED_HEIGHT_MODE:
1437 gtk_tree_view_set_fixed_height_mode (tree_view, g_value_get_boolean (value));
1438 break;
1439 case PROP_HOVER_SELECTION:
1440 tree_view->priv->hover_selection = g_value_get_boolean (value);
1441 break;
1442 case PROP_HOVER_EXPAND:
1443 tree_view->priv->hover_expand = g_value_get_boolean (value);
1444 break;
1445 case PROP_SHOW_EXPANDERS:
1446 gtk_tree_view_set_show_expanders (tree_view, g_value_get_boolean (value));
1447 break;
1448 case PROP_LEVEL_INDENTATION:
1449 tree_view->priv->level_indentation = g_value_get_int (value);
1450 break;
1451 case PROP_RUBBER_BANDING:
1452 tree_view->priv->rubber_banding_enable = g_value_get_boolean (value);
1453 break;
1454 case PROP_ENABLE_GRID_LINES:
1455 gtk_tree_view_set_grid_lines (tree_view, g_value_get_enum (value));
1456 break;
1457 case PROP_ENABLE_TREE_LINES:
1458 gtk_tree_view_set_enable_tree_lines (tree_view, g_value_get_boolean (value));
1459 break;
1460 case PROP_TOOLTIP_COLUMN:
1461 gtk_tree_view_set_tooltip_column (tree_view, g_value_get_int (value));
1462 break;
1463 default:
1464 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1465 break;
1466 }
1467 }
1468
1469 static void
gtk_tree_view_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)1470 gtk_tree_view_get_property (GObject *object,
1471 guint prop_id,
1472 GValue *value,
1473 GParamSpec *pspec)
1474 {
1475 GtkTreeView *tree_view;
1476
1477 tree_view = GTK_TREE_VIEW (object);
1478
1479 switch (prop_id)
1480 {
1481 case PROP_MODEL:
1482 g_value_set_object (value, tree_view->priv->model);
1483 break;
1484 case PROP_HADJUSTMENT:
1485 g_value_set_object (value, tree_view->priv->hadjustment);
1486 break;
1487 case PROP_VADJUSTMENT:
1488 g_value_set_object (value, tree_view->priv->vadjustment);
1489 break;
1490 case PROP_HEADERS_VISIBLE:
1491 g_value_set_boolean (value, gtk_tree_view_get_headers_visible (tree_view));
1492 break;
1493 case PROP_HEADERS_CLICKABLE:
1494 g_value_set_boolean (value, gtk_tree_view_get_headers_clickable (tree_view));
1495 break;
1496 case PROP_EXPANDER_COLUMN:
1497 g_value_set_object (value, tree_view->priv->expander_column);
1498 break;
1499 case PROP_REORDERABLE:
1500 g_value_set_boolean (value, tree_view->priv->reorderable);
1501 break;
1502 case PROP_RULES_HINT:
1503 g_value_set_boolean (value, tree_view->priv->has_rules);
1504 break;
1505 case PROP_ENABLE_SEARCH:
1506 g_value_set_boolean (value, tree_view->priv->enable_search);
1507 break;
1508 case PROP_SEARCH_COLUMN:
1509 g_value_set_int (value, tree_view->priv->search_column);
1510 break;
1511 case PROP_FIXED_HEIGHT_MODE:
1512 g_value_set_boolean (value, tree_view->priv->fixed_height_mode);
1513 break;
1514 case PROP_HOVER_SELECTION:
1515 g_value_set_boolean (value, tree_view->priv->hover_selection);
1516 break;
1517 case PROP_HOVER_EXPAND:
1518 g_value_set_boolean (value, tree_view->priv->hover_expand);
1519 break;
1520 case PROP_SHOW_EXPANDERS:
1521 g_value_set_boolean (value, GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS));
1522 break;
1523 case PROP_LEVEL_INDENTATION:
1524 g_value_set_int (value, tree_view->priv->level_indentation);
1525 break;
1526 case PROP_RUBBER_BANDING:
1527 g_value_set_boolean (value, tree_view->priv->rubber_banding_enable);
1528 break;
1529 case PROP_ENABLE_GRID_LINES:
1530 g_value_set_enum (value, tree_view->priv->grid_lines);
1531 break;
1532 case PROP_ENABLE_TREE_LINES:
1533 g_value_set_boolean (value, tree_view->priv->tree_lines_enabled);
1534 break;
1535 case PROP_TOOLTIP_COLUMN:
1536 g_value_set_int (value, tree_view->priv->tooltip_column);
1537 break;
1538 default:
1539 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1540 break;
1541 }
1542 }
1543
1544 static void
gtk_tree_view_finalize(GObject * object)1545 gtk_tree_view_finalize (GObject *object)
1546 {
1547 G_OBJECT_CLASS (gtk_tree_view_parent_class)->finalize (object);
1548 }
1549
1550
1551 static GtkBuildableIface *parent_buildable_iface;
1552
1553 static void
gtk_tree_view_buildable_init(GtkBuildableIface * iface)1554 gtk_tree_view_buildable_init (GtkBuildableIface *iface)
1555 {
1556 parent_buildable_iface = g_type_interface_peek_parent (iface);
1557 iface->add_child = gtk_tree_view_buildable_add_child;
1558 iface->get_internal_child = gtk_tree_view_buildable_get_internal_child;
1559 }
1560
1561 static void
gtk_tree_view_buildable_add_child(GtkBuildable * tree_view,GtkBuilder * builder,GObject * child,const gchar * type)1562 gtk_tree_view_buildable_add_child (GtkBuildable *tree_view,
1563 GtkBuilder *builder,
1564 GObject *child,
1565 const gchar *type)
1566 {
1567 gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), GTK_TREE_VIEW_COLUMN (child));
1568 }
1569
1570 static GObject *
gtk_tree_view_buildable_get_internal_child(GtkBuildable * buildable,GtkBuilder * builder,const gchar * childname)1571 gtk_tree_view_buildable_get_internal_child (GtkBuildable *buildable,
1572 GtkBuilder *builder,
1573 const gchar *childname)
1574 {
1575 if (strcmp (childname, "selection") == 0)
1576 return G_OBJECT (GTK_TREE_VIEW (buildable)->priv->selection);
1577
1578 return parent_buildable_iface->get_internal_child (buildable,
1579 builder,
1580 childname);
1581 }
1582
1583 /* GtkObject Methods
1584 */
1585
1586 static void
gtk_tree_view_free_rbtree(GtkTreeView * tree_view)1587 gtk_tree_view_free_rbtree (GtkTreeView *tree_view)
1588 {
1589 _gtk_rbtree_free (tree_view->priv->tree);
1590
1591 tree_view->priv->tree = NULL;
1592 tree_view->priv->button_pressed_node = NULL;
1593 tree_view->priv->button_pressed_tree = NULL;
1594 tree_view->priv->prelight_tree = NULL;
1595 tree_view->priv->prelight_node = NULL;
1596 tree_view->priv->expanded_collapsed_node = NULL;
1597 tree_view->priv->expanded_collapsed_tree = NULL;
1598 }
1599
1600 static void
gtk_tree_view_destroy(GtkObject * object)1601 gtk_tree_view_destroy (GtkObject *object)
1602 {
1603 GtkTreeView *tree_view = GTK_TREE_VIEW (object);
1604 GList *list;
1605
1606 gtk_tree_view_stop_editing (tree_view, TRUE);
1607
1608 if (tree_view->priv->columns != NULL)
1609 {
1610 list = tree_view->priv->columns;
1611 while (list)
1612 {
1613 GtkTreeViewColumn *column;
1614 column = GTK_TREE_VIEW_COLUMN (list->data);
1615 list = list->next;
1616 gtk_tree_view_remove_column (tree_view, column);
1617 }
1618 tree_view->priv->columns = NULL;
1619 }
1620
1621 if (tree_view->priv->tree != NULL)
1622 {
1623 gtk_tree_view_unref_and_check_selection_tree (tree_view, tree_view->priv->tree);
1624
1625 gtk_tree_view_free_rbtree (tree_view);
1626 }
1627
1628 if (tree_view->priv->selection != NULL)
1629 {
1630 _gtk_tree_selection_set_tree_view (tree_view->priv->selection, NULL);
1631 g_object_unref (tree_view->priv->selection);
1632 tree_view->priv->selection = NULL;
1633 }
1634
1635 if (tree_view->priv->scroll_to_path != NULL)
1636 {
1637 gtk_tree_row_reference_free (tree_view->priv->scroll_to_path);
1638 tree_view->priv->scroll_to_path = NULL;
1639 }
1640
1641 if (tree_view->priv->drag_dest_row != NULL)
1642 {
1643 gtk_tree_row_reference_free (tree_view->priv->drag_dest_row);
1644 tree_view->priv->drag_dest_row = NULL;
1645 }
1646
1647 if (tree_view->priv->top_row != NULL)
1648 {
1649 gtk_tree_row_reference_free (tree_view->priv->top_row);
1650 tree_view->priv->top_row = NULL;
1651 }
1652
1653 if (tree_view->priv->column_drop_func_data &&
1654 tree_view->priv->column_drop_func_data_destroy)
1655 {
1656 tree_view->priv->column_drop_func_data_destroy (tree_view->priv->column_drop_func_data);
1657 tree_view->priv->column_drop_func_data = NULL;
1658 }
1659
1660 if (tree_view->priv->destroy_count_destroy &&
1661 tree_view->priv->destroy_count_data)
1662 {
1663 tree_view->priv->destroy_count_destroy (tree_view->priv->destroy_count_data);
1664 tree_view->priv->destroy_count_data = NULL;
1665 }
1666
1667 gtk_tree_row_reference_free (tree_view->priv->cursor);
1668 tree_view->priv->cursor = NULL;
1669
1670 gtk_tree_row_reference_free (tree_view->priv->anchor);
1671 tree_view->priv->anchor = NULL;
1672
1673 /* destroy interactive search dialog */
1674 if (tree_view->priv->search_window)
1675 {
1676 gtk_widget_destroy (tree_view->priv->search_window);
1677 tree_view->priv->search_window = NULL;
1678 tree_view->priv->search_entry = NULL;
1679 if (tree_view->priv->typeselect_flush_timeout)
1680 {
1681 g_source_remove (tree_view->priv->typeselect_flush_timeout);
1682 tree_view->priv->typeselect_flush_timeout = 0;
1683 }
1684 }
1685
1686 if (tree_view->priv->search_destroy && tree_view->priv->search_user_data)
1687 {
1688 tree_view->priv->search_destroy (tree_view->priv->search_user_data);
1689 tree_view->priv->search_user_data = NULL;
1690 }
1691
1692 if (tree_view->priv->search_position_destroy && tree_view->priv->search_position_user_data)
1693 {
1694 tree_view->priv->search_position_destroy (tree_view->priv->search_position_user_data);
1695 tree_view->priv->search_position_user_data = NULL;
1696 }
1697
1698 if (tree_view->priv->row_separator_destroy && tree_view->priv->row_separator_data)
1699 {
1700 tree_view->priv->row_separator_destroy (tree_view->priv->row_separator_data);
1701 tree_view->priv->row_separator_data = NULL;
1702 }
1703
1704 gtk_tree_view_set_model (tree_view, NULL);
1705
1706 if (tree_view->priv->hadjustment)
1707 {
1708 g_object_unref (tree_view->priv->hadjustment);
1709 tree_view->priv->hadjustment = NULL;
1710 }
1711 if (tree_view->priv->vadjustment)
1712 {
1713 g_object_unref (tree_view->priv->vadjustment);
1714 tree_view->priv->vadjustment = NULL;
1715 }
1716
1717 GTK_OBJECT_CLASS (gtk_tree_view_parent_class)->destroy (object);
1718 }
1719
1720
1721
1722 /* GtkWidget Methods
1723 */
1724
1725 /* GtkWidget::map helper */
1726 static void
gtk_tree_view_map_buttons(GtkTreeView * tree_view)1727 gtk_tree_view_map_buttons (GtkTreeView *tree_view)
1728 {
1729 GList *list;
1730
1731 g_return_if_fail (gtk_widget_get_mapped (GTK_WIDGET (tree_view)));
1732
1733 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE))
1734 {
1735 GtkTreeViewColumn *column;
1736
1737 for (list = tree_view->priv->columns; list; list = list->next)
1738 {
1739 column = list->data;
1740 if (gtk_widget_get_visible (column->button) &&
1741 !gtk_widget_get_mapped (column->button))
1742 gtk_widget_map (column->button);
1743 }
1744 for (list = tree_view->priv->columns; list; list = list->next)
1745 {
1746 column = list->data;
1747 if (column->visible == FALSE)
1748 continue;
1749 if (column->resizable)
1750 {
1751 gdk_window_raise (column->window);
1752 gdk_window_show (column->window);
1753 }
1754 else
1755 gdk_window_hide (column->window);
1756 }
1757 gdk_window_show (tree_view->priv->header_window);
1758 }
1759 }
1760
1761 static void
gtk_tree_view_map(GtkWidget * widget)1762 gtk_tree_view_map (GtkWidget *widget)
1763 {
1764 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
1765 GList *tmp_list;
1766
1767 gtk_widget_set_mapped (widget, TRUE);
1768
1769 tmp_list = tree_view->priv->children;
1770 while (tmp_list)
1771 {
1772 GtkTreeViewChild *child = tmp_list->data;
1773 tmp_list = tmp_list->next;
1774
1775 if (gtk_widget_get_visible (child->widget))
1776 {
1777 if (!gtk_widget_get_mapped (child->widget))
1778 gtk_widget_map (child->widget);
1779 }
1780 }
1781 gdk_window_show (tree_view->priv->bin_window);
1782
1783 gtk_tree_view_map_buttons (tree_view);
1784
1785 gdk_window_show (widget->window);
1786 }
1787
1788 static void
gtk_tree_view_realize(GtkWidget * widget)1789 gtk_tree_view_realize (GtkWidget *widget)
1790 {
1791 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
1792 GList *tmp_list;
1793 GdkWindowAttr attributes;
1794 gint attributes_mask;
1795
1796 gtk_widget_set_realized (widget, TRUE);
1797
1798 /* Make the main, clipping window */
1799 attributes.window_type = GDK_WINDOW_CHILD;
1800 attributes.x = widget->allocation.x;
1801 attributes.y = widget->allocation.y;
1802 attributes.width = widget->allocation.width;
1803 attributes.height = widget->allocation.height;
1804 attributes.wclass = GDK_INPUT_OUTPUT;
1805 attributes.visual = gtk_widget_get_visual (widget);
1806 attributes.colormap = gtk_widget_get_colormap (widget);
1807 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;
1808
1809 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
1810
1811 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1812 &attributes, attributes_mask);
1813 gdk_window_set_user_data (widget->window, widget);
1814
1815 /* Make the window for the tree */
1816 attributes.x = 0;
1817 attributes.y = TREE_VIEW_HEADER_HEIGHT (tree_view);
1818 attributes.width = MAX (tree_view->priv->width, widget->allocation.width);
1819 attributes.height = widget->allocation.height;
1820 attributes.event_mask = (GDK_EXPOSURE_MASK |
1821 GDK_SCROLL_MASK |
1822 GDK_POINTER_MOTION_MASK |
1823 GDK_ENTER_NOTIFY_MASK |
1824 GDK_LEAVE_NOTIFY_MASK |
1825 GDK_BUTTON_PRESS_MASK |
1826 GDK_BUTTON_RELEASE_MASK |
1827 gtk_widget_get_events (widget));
1828
1829 tree_view->priv->bin_window = gdk_window_new (widget->window,
1830 &attributes, attributes_mask);
1831 gdk_window_set_user_data (tree_view->priv->bin_window, widget);
1832
1833 /* Make the column header window */
1834 attributes.x = 0;
1835 attributes.y = 0;
1836 attributes.width = MAX (tree_view->priv->width, widget->allocation.width);
1837 attributes.height = tree_view->priv->header_height;
1838 attributes.event_mask = (GDK_EXPOSURE_MASK |
1839 GDK_SCROLL_MASK |
1840 GDK_ENTER_NOTIFY_MASK |
1841 GDK_LEAVE_NOTIFY_MASK |
1842 GDK_BUTTON_PRESS_MASK |
1843 GDK_BUTTON_RELEASE_MASK |
1844 GDK_KEY_PRESS_MASK |
1845 GDK_KEY_RELEASE_MASK |
1846 gtk_widget_get_events (widget));
1847
1848 tree_view->priv->header_window = gdk_window_new (widget->window,
1849 &attributes, attributes_mask);
1850 gdk_window_set_user_data (tree_view->priv->header_window, widget);
1851
1852 /* Add them all up. */
1853 widget->style = gtk_style_attach (widget->style, widget->window);
1854 gdk_window_set_back_pixmap (widget->window, NULL, FALSE);
1855 gdk_window_set_background (tree_view->priv->bin_window, &widget->style->base[widget->state]);
1856 gtk_style_set_background (widget->style, tree_view->priv->header_window, GTK_STATE_NORMAL);
1857
1858 tmp_list = tree_view->priv->children;
1859 while (tmp_list)
1860 {
1861 GtkTreeViewChild *child = tmp_list->data;
1862 tmp_list = tmp_list->next;
1863
1864 gtk_widget_set_parent_window (child->widget, tree_view->priv->bin_window);
1865 }
1866
1867 for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next)
1868 _gtk_tree_view_column_realize_button (GTK_TREE_VIEW_COLUMN (tmp_list->data));
1869
1870 /* Need to call those here, since they create GCs */
1871 gtk_tree_view_set_grid_lines (tree_view, tree_view->priv->grid_lines);
1872 gtk_tree_view_set_enable_tree_lines (tree_view, tree_view->priv->tree_lines_enabled);
1873
1874 install_presize_handler (tree_view);
1875 }
1876
1877 static void
gtk_tree_view_unrealize(GtkWidget * widget)1878 gtk_tree_view_unrealize (GtkWidget *widget)
1879 {
1880 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
1881 GtkTreeViewPrivate *priv = tree_view->priv;
1882 GList *list;
1883
1884 if (priv->scroll_timeout != 0)
1885 {
1886 g_source_remove (priv->scroll_timeout);
1887 priv->scroll_timeout = 0;
1888 }
1889
1890 if (priv->auto_expand_timeout != 0)
1891 {
1892 g_source_remove (priv->auto_expand_timeout);
1893 priv->auto_expand_timeout = 0;
1894 }
1895
1896 if (priv->open_dest_timeout != 0)
1897 {
1898 g_source_remove (priv->open_dest_timeout);
1899 priv->open_dest_timeout = 0;
1900 }
1901
1902 remove_expand_collapse_timeout (tree_view);
1903
1904 if (priv->presize_handler_timer != 0)
1905 {
1906 g_source_remove (priv->presize_handler_timer);
1907 priv->presize_handler_timer = 0;
1908 }
1909
1910 if (priv->validate_rows_timer != 0)
1911 {
1912 g_source_remove (priv->validate_rows_timer);
1913 priv->validate_rows_timer = 0;
1914 }
1915
1916 if (priv->scroll_sync_timer != 0)
1917 {
1918 g_source_remove (priv->scroll_sync_timer);
1919 priv->scroll_sync_timer = 0;
1920 }
1921
1922 if (priv->typeselect_flush_timeout)
1923 {
1924 g_source_remove (priv->typeselect_flush_timeout);
1925 priv->typeselect_flush_timeout = 0;
1926 }
1927
1928 for (list = priv->columns; list; list = list->next)
1929 _gtk_tree_view_column_unrealize_button (GTK_TREE_VIEW_COLUMN (list->data));
1930
1931 gdk_window_set_user_data (priv->bin_window, NULL);
1932 gdk_window_destroy (priv->bin_window);
1933 priv->bin_window = NULL;
1934
1935 gdk_window_set_user_data (priv->header_window, NULL);
1936 gdk_window_destroy (priv->header_window);
1937 priv->header_window = NULL;
1938
1939 if (priv->drag_window)
1940 {
1941 gdk_window_set_user_data (priv->drag_window, NULL);
1942 gdk_window_destroy (priv->drag_window);
1943 priv->drag_window = NULL;
1944 }
1945
1946 if (priv->drag_highlight_window)
1947 {
1948 gdk_window_set_user_data (priv->drag_highlight_window, NULL);
1949 gdk_window_destroy (priv->drag_highlight_window);
1950 priv->drag_highlight_window = NULL;
1951 }
1952
1953 GTK_WIDGET_CLASS (gtk_tree_view_parent_class)->unrealize (widget);
1954 }
1955
1956 /* GtkWidget::size_request helper */
1957 static void
gtk_tree_view_size_request_columns(GtkTreeView * tree_view)1958 gtk_tree_view_size_request_columns (GtkTreeView *tree_view)
1959 {
1960 GList *list;
1961
1962 tree_view->priv->header_height = 0;
1963
1964 if (tree_view->priv->model)
1965 {
1966 for (list = tree_view->priv->columns; list; list = list->next)
1967 {
1968 GtkRequisition requisition;
1969 GtkTreeViewColumn *column = list->data;
1970
1971 if (column->button == NULL)
1972 continue;
1973
1974 column = list->data;
1975
1976 gtk_widget_size_request (column->button, &requisition);
1977 column->button_request = requisition.width;
1978 tree_view->priv->header_height = MAX (tree_view->priv->header_height, requisition.height);
1979 }
1980 }
1981 }
1982
1983
1984 /* Called only by ::size_request */
1985 static void
gtk_tree_view_update_size(GtkTreeView * tree_view)1986 gtk_tree_view_update_size (GtkTreeView *tree_view)
1987 {
1988 GList *list;
1989 GtkTreeViewColumn *column;
1990 gint i;
1991
1992 if (tree_view->priv->model == NULL)
1993 {
1994 tree_view->priv->width = 0;
1995 tree_view->priv->prev_width = 0;
1996 tree_view->priv->height = 0;
1997 return;
1998 }
1999
2000 tree_view->priv->prev_width = tree_view->priv->width;
2001 tree_view->priv->width = 0;
2002
2003 /* keep this in sync with size_allocate below */
2004 for (list = tree_view->priv->columns, i = 0; list; list = list->next, i++)
2005 {
2006 gint real_requested_width = 0;
2007 column = list->data;
2008 if (!column->visible)
2009 continue;
2010
2011 if (column->use_resized_width)
2012 {
2013 real_requested_width = column->resized_width;
2014 }
2015 else if (column->column_type == GTK_TREE_VIEW_COLUMN_FIXED)
2016 {
2017 real_requested_width = column->fixed_width;
2018 }
2019 else if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE))
2020 {
2021 real_requested_width = MAX (column->requested_width, column->button_request);
2022 }
2023 else
2024 {
2025 real_requested_width = column->requested_width;
2026 }
2027
2028 if (column->min_width != -1)
2029 real_requested_width = MAX (real_requested_width, column->min_width);
2030 if (column->max_width != -1)
2031 real_requested_width = MIN (real_requested_width, column->max_width);
2032
2033 tree_view->priv->width += real_requested_width;
2034 }
2035
2036 if (tree_view->priv->tree == NULL)
2037 tree_view->priv->height = 0;
2038 else
2039 tree_view->priv->height = tree_view->priv->tree->root->offset;
2040 }
2041
2042 static void
gtk_tree_view_size_request(GtkWidget * widget,GtkRequisition * requisition)2043 gtk_tree_view_size_request (GtkWidget *widget,
2044 GtkRequisition *requisition)
2045 {
2046 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
2047 GList *tmp_list;
2048
2049 /* we validate some rows initially just to make sure we have some size.
2050 * In practice, with a lot of static lists, this should get a good width.
2051 */
2052 do_validate_rows (tree_view, FALSE);
2053 gtk_tree_view_size_request_columns (tree_view);
2054 gtk_tree_view_update_size (GTK_TREE_VIEW (widget));
2055
2056 requisition->width = tree_view->priv->width;
2057 requisition->height = tree_view->priv->height + TREE_VIEW_HEADER_HEIGHT (tree_view);
2058
2059 tmp_list = tree_view->priv->children;
2060
2061 while (tmp_list)
2062 {
2063 GtkTreeViewChild *child = tmp_list->data;
2064 GtkRequisition child_requisition;
2065
2066 tmp_list = tmp_list->next;
2067
2068 if (gtk_widget_get_visible (child->widget))
2069 gtk_widget_size_request (child->widget, &child_requisition);
2070 }
2071 }
2072
2073 static int
gtk_tree_view_calculate_width_before_expander(GtkTreeView * tree_view)2074 gtk_tree_view_calculate_width_before_expander (GtkTreeView *tree_view)
2075 {
2076 int width = 0;
2077 GList *list;
2078 gboolean rtl;
2079
2080 rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
2081 for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
2082 list->data != tree_view->priv->expander_column;
2083 list = (rtl ? list->prev : list->next))
2084 {
2085 GtkTreeViewColumn *column = list->data;
2086
2087 width += column->width;
2088 }
2089
2090 return width;
2091 }
2092
2093 static void
invalidate_column(GtkTreeView * tree_view,GtkTreeViewColumn * column)2094 invalidate_column (GtkTreeView *tree_view,
2095 GtkTreeViewColumn *column)
2096 {
2097 gint column_offset = 0;
2098 GList *list;
2099 GtkWidget *widget = GTK_WIDGET (tree_view);
2100 gboolean rtl;
2101
2102 if (!gtk_widget_get_realized (widget))
2103 return;
2104
2105 rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
2106 for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
2107 list;
2108 list = (rtl ? list->prev : list->next))
2109 {
2110 GtkTreeViewColumn *tmpcolumn = list->data;
2111 if (tmpcolumn == column)
2112 {
2113 GdkRectangle invalid_rect;
2114
2115 invalid_rect.x = column_offset;
2116 invalid_rect.y = 0;
2117 invalid_rect.width = column->width;
2118 invalid_rect.height = widget->allocation.height;
2119
2120 gdk_window_invalidate_rect (widget->window, &invalid_rect, TRUE);
2121 break;
2122 }
2123
2124 column_offset += tmpcolumn->width;
2125 }
2126 }
2127
2128 static void
invalidate_last_column(GtkTreeView * tree_view)2129 invalidate_last_column (GtkTreeView *tree_view)
2130 {
2131 GList *last_column;
2132 gboolean rtl;
2133
2134 rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
2135
2136 for (last_column = (rtl ? g_list_first (tree_view->priv->columns) : g_list_last (tree_view->priv->columns));
2137 last_column;
2138 last_column = (rtl ? last_column->next : last_column->prev))
2139 {
2140 if (GTK_TREE_VIEW_COLUMN (last_column->data)->visible)
2141 {
2142 invalidate_column (tree_view, last_column->data);
2143 return;
2144 }
2145 }
2146 }
2147
2148 static gint
gtk_tree_view_get_real_requested_width_from_column(GtkTreeView * tree_view,GtkTreeViewColumn * column)2149 gtk_tree_view_get_real_requested_width_from_column (GtkTreeView *tree_view,
2150 GtkTreeViewColumn *column)
2151 {
2152 gint real_requested_width;
2153
2154 if (column->use_resized_width)
2155 {
2156 real_requested_width = column->resized_width;
2157 }
2158 else if (column->column_type == GTK_TREE_VIEW_COLUMN_FIXED)
2159 {
2160 real_requested_width = column->fixed_width;
2161 }
2162 else if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE))
2163 {
2164 real_requested_width = MAX (column->requested_width, column->button_request);
2165 }
2166 else
2167 {
2168 real_requested_width = column->requested_width;
2169 if (real_requested_width < 0)
2170 real_requested_width = 0;
2171 }
2172
2173 if (column->min_width != -1)
2174 real_requested_width = MAX (real_requested_width, column->min_width);
2175 if (column->max_width != -1)
2176 real_requested_width = MIN (real_requested_width, column->max_width);
2177
2178 return real_requested_width;
2179 }
2180
2181 /* GtkWidget::size_allocate helper */
2182 static void
gtk_tree_view_size_allocate_columns(GtkWidget * widget,gboolean * width_changed)2183 gtk_tree_view_size_allocate_columns (GtkWidget *widget,
2184 gboolean *width_changed)
2185 {
2186 GtkTreeView *tree_view;
2187 GList *list, *first_column, *last_column;
2188 GtkTreeViewColumn *column;
2189 GtkAllocation allocation;
2190 gint width = 0;
2191 gint extra, extra_per_column, extra_for_last;
2192 gint full_requested_width = 0;
2193 gint number_of_expand_columns = 0;
2194 gboolean column_changed = FALSE;
2195 gboolean rtl;
2196 gboolean update_expand;
2197
2198 tree_view = GTK_TREE_VIEW (widget);
2199
2200 for (last_column = g_list_last (tree_view->priv->columns);
2201 last_column && !(GTK_TREE_VIEW_COLUMN (last_column->data)->visible);
2202 last_column = last_column->prev)
2203 ;
2204 if (last_column == NULL)
2205 return;
2206
2207 for (first_column = g_list_first (tree_view->priv->columns);
2208 first_column && !(GTK_TREE_VIEW_COLUMN (first_column->data)->visible);
2209 first_column = first_column->next)
2210 ;
2211
2212 allocation.y = 0;
2213 allocation.height = tree_view->priv->header_height;
2214
2215 rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
2216
2217 /* find out how many extra space and expandable columns we have */
2218 for (list = tree_view->priv->columns; list != last_column->next; list = list->next)
2219 {
2220 column = (GtkTreeViewColumn *)list->data;
2221
2222 if (!column->visible)
2223 continue;
2224
2225 full_requested_width += gtk_tree_view_get_real_requested_width_from_column (tree_view, column);
2226
2227 if (column->expand)
2228 number_of_expand_columns++;
2229 }
2230
2231 /* Only update the expand value if the width of the widget has changed,
2232 * or the number of expand columns has changed, or if there are no expand
2233 * columns, or if we didn't have an size-allocation yet after the
2234 * last validated node.
2235 */
2236 update_expand = (width_changed && *width_changed == TRUE)
2237 || number_of_expand_columns != tree_view->priv->last_number_of_expand_columns
2238 || number_of_expand_columns == 0
2239 || tree_view->priv->post_validation_flag == TRUE;
2240
2241 tree_view->priv->post_validation_flag = FALSE;
2242
2243 if (!update_expand)
2244 {
2245 extra = tree_view->priv->last_extra_space;
2246 extra_for_last = MAX (widget->allocation.width - full_requested_width - extra, 0);
2247 }
2248 else
2249 {
2250 extra = MAX (widget->allocation.width - full_requested_width, 0);
2251 extra_for_last = 0;
2252
2253 tree_view->priv->last_extra_space = extra;
2254 }
2255
2256 if (number_of_expand_columns > 0)
2257 extra_per_column = extra/number_of_expand_columns;
2258 else
2259 extra_per_column = 0;
2260
2261 if (update_expand)
2262 {
2263 tree_view->priv->last_extra_space_per_column = extra_per_column;
2264 tree_view->priv->last_number_of_expand_columns = number_of_expand_columns;
2265 }
2266
2267 for (list = (rtl ? last_column : first_column);
2268 list != (rtl ? first_column->prev : last_column->next);
2269 list = (rtl ? list->prev : list->next))
2270 {
2271 gint real_requested_width = 0;
2272 gint old_width;
2273
2274 column = list->data;
2275 old_width = column->width;
2276
2277 if (!column->visible)
2278 continue;
2279
2280 /* We need to handle the dragged button specially.
2281 */
2282 if (column == tree_view->priv->drag_column)
2283 {
2284 GtkAllocation drag_allocation;
2285 drag_allocation.width = gdk_window_get_width (tree_view->priv->drag_window);
2286 drag_allocation.height = gdk_window_get_height (tree_view->priv->drag_window);
2287 drag_allocation.x = 0;
2288 drag_allocation.y = 0;
2289 gtk_widget_size_allocate (tree_view->priv->drag_column->button,
2290 &drag_allocation);
2291 width += drag_allocation.width;
2292 continue;
2293 }
2294
2295 real_requested_width = gtk_tree_view_get_real_requested_width_from_column (tree_view, column);
2296
2297 allocation.x = width;
2298 column->width = real_requested_width;
2299
2300 if (column->expand)
2301 {
2302 if (number_of_expand_columns == 1)
2303 {
2304 /* We add the remander to the last column as
2305 * */
2306 column->width += extra;
2307 }
2308 else
2309 {
2310 column->width += extra_per_column;
2311 extra -= extra_per_column;
2312 number_of_expand_columns --;
2313 }
2314 }
2315 else if (number_of_expand_columns == 0 &&
2316 list == last_column)
2317 {
2318 column->width += extra;
2319 }
2320
2321 /* In addition to expand, the last column can get even more
2322 * extra space so all available space is filled up.
2323 */
2324 if (extra_for_last > 0 && list == last_column)
2325 column->width += extra_for_last;
2326
2327 g_object_notify (G_OBJECT (column), "width");
2328
2329 allocation.width = column->width;
2330 width += column->width;
2331
2332 if (column->width > old_width)
2333 column_changed = TRUE;
2334
2335 gtk_widget_size_allocate (column->button, &allocation);
2336
2337 if (column->window)
2338 gdk_window_move_resize (column->window,
2339 allocation.x + (rtl ? 0 : allocation.width) - TREE_VIEW_DRAG_WIDTH/2,
2340 allocation.y,
2341 TREE_VIEW_DRAG_WIDTH, allocation.height);
2342 }
2343
2344 /* We change the width here. The user might have been resizing columns,
2345 * so the total width of the tree view changes.
2346 */
2347 tree_view->priv->width = width;
2348 if (width_changed)
2349 *width_changed = TRUE;
2350
2351 if (column_changed)
2352 gtk_widget_queue_draw (GTK_WIDGET (tree_view));
2353 }
2354
2355
2356 static void
gtk_tree_view_size_allocate(GtkWidget * widget,GtkAllocation * allocation)2357 gtk_tree_view_size_allocate (GtkWidget *widget,
2358 GtkAllocation *allocation)
2359 {
2360 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
2361 GList *tmp_list;
2362 gboolean width_changed = FALSE;
2363 gint old_width = widget->allocation.width;
2364
2365 if (allocation->width != widget->allocation.width)
2366 width_changed = TRUE;
2367
2368 widget->allocation = *allocation;
2369
2370 tmp_list = tree_view->priv->children;
2371
2372 while (tmp_list)
2373 {
2374 GtkAllocation allocation;
2375
2376 GtkTreeViewChild *child = tmp_list->data;
2377 tmp_list = tmp_list->next;
2378
2379 /* totally ignore our child's requisition */
2380 allocation.x = child->x;
2381 allocation.y = child->y;
2382 allocation.width = child->width;
2383 allocation.height = child->height;
2384 gtk_widget_size_allocate (child->widget, &allocation);
2385 }
2386
2387 /* We size-allocate the columns first because the width of the
2388 * tree view (used in updating the adjustments below) might change.
2389 */
2390 gtk_tree_view_size_allocate_columns (widget, &width_changed);
2391
2392 tree_view->priv->hadjustment->page_size = allocation->width;
2393 tree_view->priv->hadjustment->page_increment = allocation->width * 0.9;
2394 tree_view->priv->hadjustment->step_increment = allocation->width * 0.1;
2395 tree_view->priv->hadjustment->lower = 0;
2396 tree_view->priv->hadjustment->upper = MAX (tree_view->priv->hadjustment->page_size, tree_view->priv->width);
2397
2398 if (gtk_widget_get_direction(widget) == GTK_TEXT_DIR_RTL)
2399 {
2400 if (allocation->width < tree_view->priv->width)
2401 {
2402 if (tree_view->priv->init_hadjust_value)
2403 {
2404 tree_view->priv->hadjustment->value = MAX (tree_view->priv->width - allocation->width, 0);
2405 tree_view->priv->init_hadjust_value = FALSE;
2406 }
2407 else if (allocation->width != old_width)
2408 {
2409 tree_view->priv->hadjustment->value = CLAMP (tree_view->priv->hadjustment->value - allocation->width + old_width, 0, tree_view->priv->width - allocation->width);
2410 }
2411 else
2412 tree_view->priv->hadjustment->value = CLAMP (tree_view->priv->width - (tree_view->priv->prev_width - tree_view->priv->hadjustment->value), 0, tree_view->priv->width - allocation->width);
2413 }
2414 else
2415 {
2416 tree_view->priv->hadjustment->value = 0;
2417 tree_view->priv->init_hadjust_value = TRUE;
2418 }
2419 }
2420 else
2421 if (tree_view->priv->hadjustment->value + allocation->width > tree_view->priv->width)
2422 tree_view->priv->hadjustment->value = MAX (tree_view->priv->width - allocation->width, 0);
2423
2424 gtk_adjustment_changed (tree_view->priv->hadjustment);
2425
2426 tree_view->priv->vadjustment->page_size = allocation->height - TREE_VIEW_HEADER_HEIGHT (tree_view);
2427 tree_view->priv->vadjustment->step_increment = tree_view->priv->vadjustment->page_size * 0.1;
2428 tree_view->priv->vadjustment->page_increment = tree_view->priv->vadjustment->page_size * 0.9;
2429 tree_view->priv->vadjustment->lower = 0;
2430 tree_view->priv->vadjustment->upper = MAX (tree_view->priv->vadjustment->page_size, tree_view->priv->height);
2431
2432 gtk_adjustment_changed (tree_view->priv->vadjustment);
2433
2434 /* now the adjustments and window sizes are in sync, we can sync toprow/dy again */
2435 if (tree_view->priv->height <= tree_view->priv->vadjustment->page_size)
2436 gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment), 0);
2437 else if (tree_view->priv->vadjustment->value + tree_view->priv->vadjustment->page_size > tree_view->priv->height)
2438 gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment),
2439 tree_view->priv->height - tree_view->priv->vadjustment->page_size);
2440 else if (gtk_tree_row_reference_valid (tree_view->priv->top_row))
2441 gtk_tree_view_top_row_to_dy (tree_view);
2442 else
2443 gtk_tree_view_dy_to_top_row (tree_view);
2444
2445 if (gtk_widget_get_realized (widget))
2446 {
2447 gdk_window_move_resize (widget->window,
2448 allocation->x, allocation->y,
2449 allocation->width, allocation->height);
2450 gdk_window_move_resize (tree_view->priv->header_window,
2451 - (gint) tree_view->priv->hadjustment->value,
2452 0,
2453 MAX (tree_view->priv->width, allocation->width),
2454 tree_view->priv->header_height);
2455 gdk_window_move_resize (tree_view->priv->bin_window,
2456 - (gint) tree_view->priv->hadjustment->value,
2457 TREE_VIEW_HEADER_HEIGHT (tree_view),
2458 MAX (tree_view->priv->width, allocation->width),
2459 allocation->height - TREE_VIEW_HEADER_HEIGHT (tree_view));
2460 }
2461
2462 if (tree_view->priv->tree == NULL)
2463 invalidate_empty_focus (tree_view);
2464
2465 if (gtk_widget_get_realized (widget))
2466 {
2467 gboolean has_expand_column = FALSE;
2468 for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next)
2469 {
2470 if (gtk_tree_view_column_get_expand (GTK_TREE_VIEW_COLUMN (tmp_list->data)))
2471 {
2472 has_expand_column = TRUE;
2473 break;
2474 }
2475 }
2476
2477 if (width_changed && tree_view->priv->expander_column)
2478 {
2479 /* Might seem awkward, but is the best heuristic I could come up
2480 * with. Only if the width of the columns before the expander
2481 * changes, we will update the prelight status. It is this
2482 * width that makes the expander move vertically. Always updating
2483 * prelight status causes trouble with hover selections.
2484 */
2485 gint width_before_expander;
2486
2487 width_before_expander = gtk_tree_view_calculate_width_before_expander (tree_view);
2488
2489 if (tree_view->priv->prev_width_before_expander
2490 != width_before_expander)
2491 update_prelight (tree_view,
2492 tree_view->priv->event_last_x,
2493 tree_view->priv->event_last_y);
2494
2495 tree_view->priv->prev_width_before_expander = width_before_expander;
2496 }
2497
2498 /* This little hack only works if we have an LTR locale, and no column has the */
2499 if (width_changed)
2500 {
2501 if (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_LTR &&
2502 ! has_expand_column)
2503 invalidate_last_column (tree_view);
2504 else
2505 gtk_widget_queue_draw (widget);
2506 }
2507 }
2508 }
2509
2510 /* Grabs the focus and unsets the GTK_TREE_VIEW_DRAW_KEYFOCUS flag */
2511 static void
grab_focus_and_unset_draw_keyfocus(GtkTreeView * tree_view)2512 grab_focus_and_unset_draw_keyfocus (GtkTreeView *tree_view)
2513 {
2514 GtkWidget *widget = GTK_WIDGET (tree_view);
2515
2516 if (gtk_widget_get_can_focus (widget) && !gtk_widget_has_focus (widget))
2517 gtk_widget_grab_focus (widget);
2518 GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS);
2519 }
2520
2521 static inline gboolean
row_is_separator(GtkTreeView * tree_view,GtkTreeIter * iter,GtkTreePath * path)2522 row_is_separator (GtkTreeView *tree_view,
2523 GtkTreeIter *iter,
2524 GtkTreePath *path)
2525 {
2526 gboolean is_separator = FALSE;
2527
2528 if (tree_view->priv->row_separator_func)
2529 {
2530 GtkTreeIter tmpiter;
2531
2532 if (iter)
2533 tmpiter = *iter;
2534 else
2535 {
2536 if (!gtk_tree_model_get_iter (tree_view->priv->model, &tmpiter, path))
2537 return FALSE;
2538 }
2539
2540 is_separator = tree_view->priv->row_separator_func (tree_view->priv->model,
2541 &tmpiter,
2542 tree_view->priv->row_separator_data);
2543 }
2544
2545 return is_separator;
2546 }
2547
2548 static gboolean
gtk_tree_view_button_press(GtkWidget * widget,GdkEventButton * event)2549 gtk_tree_view_button_press (GtkWidget *widget,
2550 GdkEventButton *event)
2551 {
2552 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
2553 GList *list;
2554 GtkTreeViewColumn *column = NULL;
2555 gint i;
2556 GdkRectangle background_area;
2557 GdkRectangle cell_area;
2558 gint vertical_separator;
2559 gint horizontal_separator;
2560 gboolean path_is_selectable;
2561 gboolean rtl;
2562
2563 rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
2564 gtk_tree_view_stop_editing (tree_view, FALSE);
2565 gtk_widget_style_get (widget,
2566 "vertical-separator", &vertical_separator,
2567 "horizontal-separator", &horizontal_separator,
2568 NULL);
2569
2570
2571 /* Because grab_focus can cause reentrancy, we delay grab_focus until after
2572 * we're done handling the button press.
2573 */
2574
2575 if (event->window == tree_view->priv->bin_window)
2576 {
2577 GtkRBNode *node;
2578 GtkRBTree *tree;
2579 GtkTreePath *path;
2580 gchar *path_string;
2581 gint depth;
2582 gint new_y;
2583 gint y_offset;
2584 gint dval;
2585 gint pre_val, aft_val;
2586 GtkTreeViewColumn *column = NULL;
2587 GtkCellRenderer *focus_cell = NULL;
2588 gint column_handled_click = FALSE;
2589 gboolean row_double_click = FALSE;
2590 gboolean rtl;
2591 gboolean node_selected;
2592
2593 /* Empty tree? */
2594 if (tree_view->priv->tree == NULL)
2595 {
2596 grab_focus_and_unset_draw_keyfocus (tree_view);
2597 return TRUE;
2598 }
2599
2600 /* are we in an arrow? */
2601 if (tree_view->priv->prelight_node &&
2602 GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT) &&
2603 TREE_VIEW_DRAW_EXPANDERS (tree_view))
2604 {
2605 if (event->button == 1)
2606 {
2607 gtk_grab_add (widget);
2608 tree_view->priv->button_pressed_node = tree_view->priv->prelight_node;
2609 tree_view->priv->button_pressed_tree = tree_view->priv->prelight_tree;
2610 gtk_tree_view_draw_arrow (GTK_TREE_VIEW (widget),
2611 tree_view->priv->prelight_tree,
2612 tree_view->priv->prelight_node,
2613 event->x,
2614 event->y);
2615 }
2616
2617 grab_focus_and_unset_draw_keyfocus (tree_view);
2618 return TRUE;
2619 }
2620
2621 /* find the node that was clicked */
2622 new_y = TREE_WINDOW_Y_TO_RBTREE_Y(tree_view, event->y);
2623 if (new_y < 0)
2624 new_y = 0;
2625 y_offset = -_gtk_rbtree_find_offset (tree_view->priv->tree, new_y, &tree, &node);
2626
2627 if (node == NULL)
2628 {
2629 /* We clicked in dead space */
2630 grab_focus_and_unset_draw_keyfocus (tree_view);
2631 return TRUE;
2632 }
2633
2634 /* Get the path and the node */
2635 path = _gtk_tree_view_find_path (tree_view, tree, node);
2636 path_is_selectable = !row_is_separator (tree_view, NULL, path);
2637
2638 if (!path_is_selectable)
2639 {
2640 gtk_tree_path_free (path);
2641 grab_focus_and_unset_draw_keyfocus (tree_view);
2642 return TRUE;
2643 }
2644
2645 depth = gtk_tree_path_get_depth (path);
2646 background_area.y = y_offset + event->y;
2647 background_area.height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
2648 background_area.x = 0;
2649
2650
2651 /* Let the column have a chance at selecting it. */
2652 rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
2653 for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
2654 list; list = (rtl ? list->prev : list->next))
2655 {
2656 GtkTreeViewColumn *candidate = list->data;
2657
2658 if (!candidate->visible)
2659 continue;
2660
2661 background_area.width = candidate->width;
2662 if ((background_area.x > (gint) event->x) ||
2663 (background_area.x + background_area.width <= (gint) event->x))
2664 {
2665 background_area.x += background_area.width;
2666 continue;
2667 }
2668
2669 /* we found the focus column */
2670 column = candidate;
2671 cell_area = background_area;
2672 cell_area.width -= horizontal_separator;
2673 cell_area.height -= vertical_separator;
2674 cell_area.x += horizontal_separator/2;
2675 cell_area.y += vertical_separator/2;
2676 if (gtk_tree_view_is_expander_column (tree_view, column))
2677 {
2678 if (!rtl)
2679 cell_area.x += (depth - 1) * tree_view->priv->level_indentation;
2680 cell_area.width -= (depth - 1) * tree_view->priv->level_indentation;
2681
2682 if (TREE_VIEW_DRAW_EXPANDERS (tree_view))
2683 {
2684 if (!rtl)
2685 cell_area.x += depth * tree_view->priv->expander_size;
2686 cell_area.width -= depth * tree_view->priv->expander_size;
2687 }
2688 }
2689 break;
2690 }
2691
2692 if (column == NULL)
2693 {
2694 gtk_tree_path_free (path);
2695 grab_focus_and_unset_draw_keyfocus (tree_view);
2696 return FALSE;
2697 }
2698
2699 tree_view->priv->focus_column = column;
2700
2701 /* decide if we edit */
2702 if (event->type == GDK_BUTTON_PRESS && event->button == 1 &&
2703 !(event->state & gtk_accelerator_get_default_mod_mask ()))
2704 {
2705 GtkTreePath *anchor;
2706 GtkTreeIter iter;
2707
2708 gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
2709 gtk_tree_view_column_cell_set_cell_data (column,
2710 tree_view->priv->model,
2711 &iter,
2712 GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT),
2713 node->children?TRUE:FALSE);
2714
2715 if (tree_view->priv->anchor)
2716 anchor = gtk_tree_row_reference_get_path (tree_view->priv->anchor);
2717 else
2718 anchor = NULL;
2719
2720 if ((anchor && !gtk_tree_path_compare (anchor, path))
2721 || !_gtk_tree_view_column_has_editable_cell (column))
2722 {
2723 GtkCellEditable *cell_editable = NULL;
2724
2725 /* FIXME: get the right flags */
2726 guint flags = 0;
2727
2728 path_string = gtk_tree_path_to_string (path);
2729
2730 if (_gtk_tree_view_column_cell_event (column,
2731 &cell_editable,
2732 (GdkEvent *)event,
2733 path_string,
2734 &background_area,
2735 &cell_area, flags))
2736 {
2737 if (cell_editable != NULL)
2738 {
2739 gint left, right;
2740 GdkRectangle area;
2741
2742 area = cell_area;
2743 _gtk_tree_view_column_get_neighbor_sizes (column, _gtk_tree_view_column_get_edited_cell (column), &left, &right);
2744
2745 area.x += left;
2746 area.width -= right + left;
2747
2748 gtk_tree_view_real_start_editing (tree_view,
2749 column,
2750 path,
2751 cell_editable,
2752 &area,
2753 (GdkEvent *)event,
2754 flags);
2755 g_free (path_string);
2756 gtk_tree_path_free (path);
2757 gtk_tree_path_free (anchor);
2758 return TRUE;
2759 }
2760 column_handled_click = TRUE;
2761 }
2762 g_free (path_string);
2763 }
2764 if (anchor)
2765 gtk_tree_path_free (anchor);
2766 }
2767
2768 /* select */
2769 node_selected = GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED);
2770 pre_val = tree_view->priv->vadjustment->value;
2771
2772 /* we only handle selection modifications on the first button press
2773 */
2774 if (event->type == GDK_BUTTON_PRESS)
2775 {
2776 if ((event->state & GTK_MODIFY_SELECTION_MOD_MASK) == GTK_MODIFY_SELECTION_MOD_MASK)
2777 tree_view->priv->modify_selection_pressed = TRUE;
2778 if ((event->state & GTK_EXTEND_SELECTION_MOD_MASK) == GTK_EXTEND_SELECTION_MOD_MASK)
2779 tree_view->priv->extend_selection_pressed = TRUE;
2780
2781 focus_cell = _gtk_tree_view_column_get_cell_at_pos (column, event->x - background_area.x);
2782 if (focus_cell)
2783 gtk_tree_view_column_focus_cell (column, focus_cell);
2784
2785 if (event->state & GTK_MODIFY_SELECTION_MOD_MASK)
2786 {
2787 gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE);
2788 gtk_tree_view_real_toggle_cursor_row (tree_view);
2789 }
2790 else if (event->state & GTK_EXTEND_SELECTION_MOD_MASK)
2791 {
2792 gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE);
2793 gtk_tree_view_real_select_cursor_row (tree_view, FALSE);
2794 }
2795 else
2796 {
2797 gtk_tree_view_real_set_cursor (tree_view, path, TRUE, TRUE);
2798 }
2799
2800 tree_view->priv->modify_selection_pressed = FALSE;
2801 tree_view->priv->extend_selection_pressed = FALSE;
2802 }
2803
2804 /* the treeview may have been scrolled because of _set_cursor,
2805 * correct here
2806 */
2807
2808 aft_val = tree_view->priv->vadjustment->value;
2809 dval = pre_val - aft_val;
2810
2811 cell_area.y += dval;
2812 background_area.y += dval;
2813
2814 /* Save press to possibly begin a drag
2815 */
2816 if (!column_handled_click &&
2817 !tree_view->priv->in_grab &&
2818 tree_view->priv->pressed_button < 0)
2819 {
2820 tree_view->priv->pressed_button = event->button;
2821 tree_view->priv->press_start_x = event->x;
2822 tree_view->priv->press_start_y = event->y;
2823
2824 if (tree_view->priv->rubber_banding_enable
2825 && !node_selected
2826 && tree_view->priv->selection->type == GTK_SELECTION_MULTIPLE)
2827 {
2828 tree_view->priv->press_start_y += tree_view->priv->dy;
2829 tree_view->priv->rubber_band_x = event->x;
2830 tree_view->priv->rubber_band_y = event->y + tree_view->priv->dy;
2831 tree_view->priv->rubber_band_status = RUBBER_BAND_MAYBE_START;
2832
2833 if ((event->state & GTK_MODIFY_SELECTION_MOD_MASK) == GTK_MODIFY_SELECTION_MOD_MASK)
2834 tree_view->priv->rubber_band_modify = TRUE;
2835 if ((event->state & GTK_EXTEND_SELECTION_MOD_MASK) == GTK_EXTEND_SELECTION_MOD_MASK)
2836 tree_view->priv->rubber_band_extend = TRUE;
2837 }
2838 }
2839
2840 /* Test if a double click happened on the same row. */
2841 if (event->button == 1 && event->type == GDK_BUTTON_PRESS)
2842 {
2843 int double_click_time, double_click_distance;
2844
2845 g_object_get (gtk_settings_get_default (),
2846 "gtk-double-click-time", &double_click_time,
2847 "gtk-double-click-distance", &double_click_distance,
2848 NULL);
2849
2850 /* Same conditions as _gdk_event_button_generate */
2851 if (tree_view->priv->last_button_x != -1 &&
2852 (event->time < tree_view->priv->last_button_time + double_click_time) &&
2853 (ABS (event->x - tree_view->priv->last_button_x) <= double_click_distance) &&
2854 (ABS (event->y - tree_view->priv->last_button_y) <= double_click_distance))
2855 {
2856 /* We do no longer compare paths of this row and the
2857 * row clicked previously. We use the double click
2858 * distance to decide whether this is a valid click,
2859 * allowing the mouse to slightly move over another row.
2860 */
2861 row_double_click = TRUE;
2862
2863 tree_view->priv->last_button_time = 0;
2864 tree_view->priv->last_button_x = -1;
2865 tree_view->priv->last_button_y = -1;
2866 }
2867 else
2868 {
2869 tree_view->priv->last_button_time = event->time;
2870 tree_view->priv->last_button_x = event->x;
2871 tree_view->priv->last_button_y = event->y;
2872 }
2873 }
2874
2875 if (row_double_click)
2876 {
2877 gtk_grab_remove (widget);
2878 gtk_tree_view_row_activated (tree_view, path, column);
2879
2880 if (tree_view->priv->pressed_button == event->button)
2881 tree_view->priv->pressed_button = -1;
2882 }
2883
2884 gtk_tree_path_free (path);
2885
2886 /* If we activated the row through a double click we don't want to grab
2887 * focus back, as moving focus to another widget is pretty common.
2888 */
2889 if (!row_double_click)
2890 grab_focus_and_unset_draw_keyfocus (tree_view);
2891
2892 return TRUE;
2893 }
2894
2895 /* We didn't click in the window. Let's check to see if we clicked on a column resize window.
2896 */
2897 for (i = 0, list = tree_view->priv->columns; list; list = list->next, i++)
2898 {
2899 column = list->data;
2900 if (event->window == column->window &&
2901 column->resizable &&
2902 column->window)
2903 {
2904 gpointer drag_data;
2905
2906 if (event->type == GDK_2BUTTON_PRESS &&
2907 gtk_tree_view_column_get_sizing (column) != GTK_TREE_VIEW_COLUMN_AUTOSIZE)
2908 {
2909 column->use_resized_width = FALSE;
2910 _gtk_tree_view_column_autosize (tree_view, column);
2911 return TRUE;
2912 }
2913
2914 if (gdk_pointer_grab (column->window, FALSE,
2915 GDK_POINTER_MOTION_HINT_MASK |
2916 GDK_BUTTON1_MOTION_MASK |
2917 GDK_BUTTON_RELEASE_MASK,
2918 NULL, NULL, event->time))
2919 return FALSE;
2920
2921 gtk_grab_add (widget);
2922 GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE);
2923 column->resized_width = column->width - tree_view->priv->last_extra_space_per_column;
2924
2925 /* block attached dnd signal handler */
2926 drag_data = g_object_get_data (G_OBJECT (widget), "gtk-site-data");
2927 if (drag_data)
2928 g_signal_handlers_block_matched (widget,
2929 G_SIGNAL_MATCH_DATA,
2930 0, 0, NULL, NULL,
2931 drag_data);
2932
2933 tree_view->priv->drag_pos = i;
2934 tree_view->priv->x_drag = column->button->allocation.x + (rtl ? 0 : column->button->allocation.width);
2935
2936 if (!gtk_widget_has_focus (widget))
2937 gtk_widget_grab_focus (widget);
2938
2939 return TRUE;
2940 }
2941 }
2942 return FALSE;
2943 }
2944
2945 /* GtkWidget::button_release_event helper */
2946 static gboolean
gtk_tree_view_button_release_drag_column(GtkWidget * widget,GdkEventButton * event)2947 gtk_tree_view_button_release_drag_column (GtkWidget *widget,
2948 GdkEventButton *event)
2949 {
2950 GtkTreeView *tree_view;
2951 GList *l;
2952 gboolean rtl;
2953
2954 tree_view = GTK_TREE_VIEW (widget);
2955
2956 rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
2957 gdk_display_pointer_ungrab (gtk_widget_get_display (widget), GDK_CURRENT_TIME);
2958 gdk_display_keyboard_ungrab (gtk_widget_get_display (widget), GDK_CURRENT_TIME);
2959
2960 /* Move the button back */
2961 g_object_ref (tree_view->priv->drag_column->button);
2962 gtk_container_remove (GTK_CONTAINER (tree_view), tree_view->priv->drag_column->button);
2963 gtk_widget_set_parent_window (tree_view->priv->drag_column->button, tree_view->priv->header_window);
2964 gtk_widget_set_parent (tree_view->priv->drag_column->button, GTK_WIDGET (tree_view));
2965 g_object_unref (tree_view->priv->drag_column->button);
2966 gtk_widget_queue_resize (widget);
2967 if (tree_view->priv->drag_column->resizable)
2968 {
2969 gdk_window_raise (tree_view->priv->drag_column->window);
2970 gdk_window_show (tree_view->priv->drag_column->window);
2971 }
2972 else
2973 gdk_window_hide (tree_view->priv->drag_column->window);
2974
2975 gtk_widget_grab_focus (tree_view->priv->drag_column->button);
2976
2977 if (rtl)
2978 {
2979 if (tree_view->priv->cur_reorder &&
2980 tree_view->priv->cur_reorder->right_column != tree_view->priv->drag_column)
2981 gtk_tree_view_move_column_after (tree_view, tree_view->priv->drag_column,
2982 tree_view->priv->cur_reorder->right_column);
2983 }
2984 else
2985 {
2986 if (tree_view->priv->cur_reorder &&
2987 tree_view->priv->cur_reorder->left_column != tree_view->priv->drag_column)
2988 gtk_tree_view_move_column_after (tree_view, tree_view->priv->drag_column,
2989 tree_view->priv->cur_reorder->left_column);
2990 }
2991 tree_view->priv->drag_column = NULL;
2992 gdk_window_hide (tree_view->priv->drag_window);
2993
2994 for (l = tree_view->priv->column_drag_info; l != NULL; l = l->next)
2995 g_slice_free (GtkTreeViewColumnReorder, l->data);
2996 g_list_free (tree_view->priv->column_drag_info);
2997 tree_view->priv->column_drag_info = NULL;
2998 tree_view->priv->cur_reorder = NULL;
2999
3000 if (tree_view->priv->drag_highlight_window)
3001 gdk_window_hide (tree_view->priv->drag_highlight_window);
3002
3003 /* Reset our flags */
3004 tree_view->priv->drag_column_window_state = DRAG_COLUMN_WINDOW_STATE_UNSET;
3005 GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG);
3006
3007 return TRUE;
3008 }
3009
3010 /* GtkWidget::button_release_event helper */
3011 static gboolean
gtk_tree_view_button_release_column_resize(GtkWidget * widget,GdkEventButton * event)3012 gtk_tree_view_button_release_column_resize (GtkWidget *widget,
3013 GdkEventButton *event)
3014 {
3015 GtkTreeView *tree_view;
3016 gpointer drag_data;
3017
3018 tree_view = GTK_TREE_VIEW (widget);
3019
3020 tree_view->priv->drag_pos = -1;
3021
3022 /* unblock attached dnd signal handler */
3023 drag_data = g_object_get_data (G_OBJECT (widget), "gtk-site-data");
3024 if (drag_data)
3025 g_signal_handlers_unblock_matched (widget,
3026 G_SIGNAL_MATCH_DATA,
3027 0, 0, NULL, NULL,
3028 drag_data);
3029
3030 GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE);
3031 gtk_grab_remove (widget);
3032 gdk_display_pointer_ungrab (gdk_window_get_display (event->window),
3033 event->time);
3034 return TRUE;
3035 }
3036
3037 static gboolean
gtk_tree_view_button_release(GtkWidget * widget,GdkEventButton * event)3038 gtk_tree_view_button_release (GtkWidget *widget,
3039 GdkEventButton *event)
3040 {
3041 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
3042
3043 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG))
3044 return gtk_tree_view_button_release_drag_column (widget, event);
3045
3046 if (tree_view->priv->rubber_band_status)
3047 gtk_tree_view_stop_rubber_band (tree_view);
3048
3049 if (tree_view->priv->pressed_button == event->button)
3050 tree_view->priv->pressed_button = -1;
3051
3052 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE))
3053 return gtk_tree_view_button_release_column_resize (widget, event);
3054
3055 if (tree_view->priv->button_pressed_node == NULL)
3056 return FALSE;
3057
3058 if (event->button == 1)
3059 {
3060 if (tree_view->priv->button_pressed_node == tree_view->priv->prelight_node &&
3061 GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT))
3062 {
3063 GtkTreePath *path = NULL;
3064
3065 path = _gtk_tree_view_find_path (tree_view,
3066 tree_view->priv->button_pressed_tree,
3067 tree_view->priv->button_pressed_node);
3068 /* Actually activate the node */
3069 if (tree_view->priv->button_pressed_node->children == NULL)
3070 gtk_tree_view_real_expand_row (tree_view, path,
3071 tree_view->priv->button_pressed_tree,
3072 tree_view->priv->button_pressed_node,
3073 FALSE, TRUE);
3074 else
3075 gtk_tree_view_real_collapse_row (GTK_TREE_VIEW (widget), path,
3076 tree_view->priv->button_pressed_tree,
3077 tree_view->priv->button_pressed_node, TRUE);
3078 gtk_tree_path_free (path);
3079 }
3080
3081 tree_view->priv->button_pressed_tree = NULL;
3082 tree_view->priv->button_pressed_node = NULL;
3083
3084 gtk_grab_remove (widget);
3085 }
3086
3087 return TRUE;
3088 }
3089
3090 static gboolean
gtk_tree_view_grab_broken(GtkWidget * widget,GdkEventGrabBroken * event)3091 gtk_tree_view_grab_broken (GtkWidget *widget,
3092 GdkEventGrabBroken *event)
3093 {
3094 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
3095
3096 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG))
3097 gtk_tree_view_button_release_drag_column (widget, (GdkEventButton *)event);
3098
3099 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE))
3100 gtk_tree_view_button_release_column_resize (widget, (GdkEventButton *)event);
3101
3102 return TRUE;
3103 }
3104
3105 #if 0
3106 static gboolean
3107 gtk_tree_view_configure (GtkWidget *widget,
3108 GdkEventConfigure *event)
3109 {
3110 GtkTreeView *tree_view;
3111
3112 tree_view = GTK_TREE_VIEW (widget);
3113 tree_view->priv->search_position_func (tree_view, tree_view->priv->search_window);
3114
3115 return FALSE;
3116 }
3117 #endif
3118
3119 /* GtkWidget::motion_event function set.
3120 */
3121
3122 static gboolean
coords_are_over_arrow(GtkTreeView * tree_view,GtkRBTree * tree,GtkRBNode * node,gint x,gint y)3123 coords_are_over_arrow (GtkTreeView *tree_view,
3124 GtkRBTree *tree,
3125 GtkRBNode *node,
3126 /* these are in bin window coords */
3127 gint x,
3128 gint y)
3129 {
3130 GdkRectangle arrow;
3131 gint x2;
3132
3133 if (!gtk_widget_get_realized (GTK_WIDGET (tree_view)))
3134 return FALSE;
3135
3136 if ((node->flags & GTK_RBNODE_IS_PARENT) == 0)
3137 return FALSE;
3138
3139 arrow.y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node);
3140
3141 arrow.height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
3142
3143 gtk_tree_view_get_arrow_xrange (tree_view, tree, &arrow.x, &x2);
3144
3145 arrow.width = x2 - arrow.x;
3146
3147 return (x >= arrow.x &&
3148 x < (arrow.x + arrow.width) &&
3149 y >= arrow.y &&
3150 y < (arrow.y + arrow.height));
3151 }
3152
3153 static gboolean
auto_expand_timeout(gpointer data)3154 auto_expand_timeout (gpointer data)
3155 {
3156 GtkTreeView *tree_view = GTK_TREE_VIEW (data);
3157 GtkTreePath *path;
3158
3159 if (tree_view->priv->prelight_node)
3160 {
3161 path = _gtk_tree_view_find_path (tree_view,
3162 tree_view->priv->prelight_tree,
3163 tree_view->priv->prelight_node);
3164
3165 if (tree_view->priv->prelight_node->children)
3166 gtk_tree_view_collapse_row (tree_view, path);
3167 else
3168 gtk_tree_view_expand_row (tree_view, path, FALSE);
3169
3170 gtk_tree_path_free (path);
3171 }
3172
3173 tree_view->priv->auto_expand_timeout = 0;
3174
3175 return FALSE;
3176 }
3177
3178 static void
remove_auto_expand_timeout(GtkTreeView * tree_view)3179 remove_auto_expand_timeout (GtkTreeView *tree_view)
3180 {
3181 if (tree_view->priv->auto_expand_timeout != 0)
3182 {
3183 g_source_remove (tree_view->priv->auto_expand_timeout);
3184 tree_view->priv->auto_expand_timeout = 0;
3185 }
3186 }
3187
3188 static void
do_prelight(GtkTreeView * tree_view,GtkRBTree * tree,GtkRBNode * node,gint x,gint y)3189 do_prelight (GtkTreeView *tree_view,
3190 GtkRBTree *tree,
3191 GtkRBNode *node,
3192 /* these are in bin_window coords */
3193 gint x,
3194 gint y)
3195 {
3196 if (tree_view->priv->prelight_tree == tree &&
3197 tree_view->priv->prelight_node == node)
3198 {
3199 /* We are still on the same node,
3200 but we might need to take care of the arrow */
3201
3202 if (tree && node && TREE_VIEW_DRAW_EXPANDERS (tree_view))
3203 {
3204 gboolean over_arrow;
3205 gboolean flag_set;
3206
3207 over_arrow = coords_are_over_arrow (tree_view, tree, node, x, y);
3208 flag_set = GTK_TREE_VIEW_FLAG_SET (tree_view,
3209 GTK_TREE_VIEW_ARROW_PRELIT);
3210
3211 if (over_arrow != flag_set)
3212 {
3213 if (over_arrow)
3214 GTK_TREE_VIEW_SET_FLAG (tree_view,
3215 GTK_TREE_VIEW_ARROW_PRELIT);
3216 else
3217 GTK_TREE_VIEW_UNSET_FLAG (tree_view,
3218 GTK_TREE_VIEW_ARROW_PRELIT);
3219
3220 gtk_tree_view_draw_arrow (tree_view, tree, node, x, y);
3221 }
3222 }
3223
3224 return;
3225 }
3226
3227 if (tree_view->priv->prelight_tree && tree_view->priv->prelight_node)
3228 {
3229 /* Unprelight the old node and arrow */
3230
3231 GTK_RBNODE_UNSET_FLAG (tree_view->priv->prelight_node,
3232 GTK_RBNODE_IS_PRELIT);
3233
3234 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT)
3235 && TREE_VIEW_DRAW_EXPANDERS (tree_view))
3236 {
3237 GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_ARROW_PRELIT);
3238
3239 gtk_tree_view_draw_arrow (tree_view,
3240 tree_view->priv->prelight_tree,
3241 tree_view->priv->prelight_node,
3242 x,
3243 y);
3244 }
3245
3246 _gtk_tree_view_queue_draw_node (tree_view,
3247 tree_view->priv->prelight_tree,
3248 tree_view->priv->prelight_node,
3249 NULL);
3250 }
3251
3252
3253 if (tree_view->priv->hover_expand)
3254 remove_auto_expand_timeout (tree_view);
3255
3256 /* Set the new prelight values */
3257 tree_view->priv->prelight_node = node;
3258 tree_view->priv->prelight_tree = tree;
3259
3260 if (!node || !tree)
3261 return;
3262
3263 /* Prelight the new node and arrow */
3264
3265 if (TREE_VIEW_DRAW_EXPANDERS (tree_view)
3266 && coords_are_over_arrow (tree_view, tree, node, x, y))
3267 {
3268 GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_ARROW_PRELIT);
3269
3270 gtk_tree_view_draw_arrow (tree_view, tree, node, x, y);
3271 }
3272
3273 GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_PRELIT);
3274
3275 _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL);
3276
3277 if (tree_view->priv->hover_expand)
3278 {
3279 tree_view->priv->auto_expand_timeout =
3280 gdk_threads_add_timeout (AUTO_EXPAND_TIMEOUT, auto_expand_timeout, tree_view);
3281 }
3282 }
3283
3284 static void
prelight_or_select(GtkTreeView * tree_view,GtkRBTree * tree,GtkRBNode * node,gint x,gint y)3285 prelight_or_select (GtkTreeView *tree_view,
3286 GtkRBTree *tree,
3287 GtkRBNode *node,
3288 /* these are in bin_window coords */
3289 gint x,
3290 gint y)
3291 {
3292 GtkSelectionMode mode = gtk_tree_selection_get_mode (tree_view->priv->selection);
3293
3294 if (tree_view->priv->hover_selection &&
3295 (mode == GTK_SELECTION_SINGLE || mode == GTK_SELECTION_BROWSE) &&
3296 !(tree_view->priv->edited_column &&
3297 tree_view->priv->edited_column->editable_widget))
3298 {
3299 if (node)
3300 {
3301 if (!GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
3302 {
3303 GtkTreePath *path;
3304
3305 path = _gtk_tree_view_find_path (tree_view, tree, node);
3306 gtk_tree_selection_select_path (tree_view->priv->selection, path);
3307 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
3308 {
3309 GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS);
3310 gtk_tree_view_real_set_cursor (tree_view, path, FALSE, FALSE);
3311 }
3312 gtk_tree_path_free (path);
3313 }
3314 }
3315
3316 else if (mode == GTK_SELECTION_SINGLE)
3317 gtk_tree_selection_unselect_all (tree_view->priv->selection);
3318 }
3319
3320 do_prelight (tree_view, tree, node, x, y);
3321 }
3322
3323 static void
ensure_unprelighted(GtkTreeView * tree_view)3324 ensure_unprelighted (GtkTreeView *tree_view)
3325 {
3326 do_prelight (tree_view,
3327 NULL, NULL,
3328 -1000, -1000); /* coords not possibly over an arrow */
3329
3330 g_assert (tree_view->priv->prelight_node == NULL);
3331 }
3332
3333 static void
update_prelight(GtkTreeView * tree_view,gint x,gint y)3334 update_prelight (GtkTreeView *tree_view,
3335 gint x,
3336 gint y)
3337 {
3338 int new_y;
3339 GtkRBTree *tree;
3340 GtkRBNode *node;
3341
3342 if (tree_view->priv->tree == NULL)
3343 return;
3344
3345 if (x == -10000)
3346 {
3347 ensure_unprelighted (tree_view);
3348 return;
3349 }
3350
3351 new_y = TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, y);
3352 if (new_y < 0)
3353 new_y = 0;
3354
3355 _gtk_rbtree_find_offset (tree_view->priv->tree,
3356 new_y, &tree, &node);
3357
3358 if (node)
3359 prelight_or_select (tree_view, tree, node, x, y);
3360 }
3361
3362
3363
3364
3365 /* Our motion arrow is either a box (in the case of the original spot)
3366 * or an arrow. It is expander_size wide.
3367 */
3368 /*
3369 * 11111111111111
3370 * 01111111111110
3371 * 00111111111100
3372 * 00011111111000
3373 * 00001111110000
3374 * 00000111100000
3375 * 00000111100000
3376 * 00000111100000
3377 * ~ ~ ~ ~ ~ ~ ~
3378 * 00000111100000
3379 * 00000111100000
3380 * 00000111100000
3381 * 00001111110000
3382 * 00011111111000
3383 * 00111111111100
3384 * 01111111111110
3385 * 11111111111111
3386 */
3387
3388 static void
gtk_tree_view_motion_draw_column_motion_arrow(GtkTreeView * tree_view)3389 gtk_tree_view_motion_draw_column_motion_arrow (GtkTreeView *tree_view)
3390 {
3391 GtkTreeViewColumnReorder *reorder = tree_view->priv->cur_reorder;
3392 GtkWidget *widget = GTK_WIDGET (tree_view);
3393 GdkBitmap *mask = NULL;
3394 gint x;
3395 gint y;
3396 gint width;
3397 gint height;
3398 gint arrow_type = DRAG_COLUMN_WINDOW_STATE_UNSET;
3399 GdkWindowAttr attributes;
3400 guint attributes_mask;
3401 cairo_t *cr;
3402
3403 if (!reorder ||
3404 reorder->left_column == tree_view->priv->drag_column ||
3405 reorder->right_column == tree_view->priv->drag_column)
3406 arrow_type = DRAG_COLUMN_WINDOW_STATE_ORIGINAL;
3407 else if (reorder->left_column || reorder->right_column)
3408 {
3409 GdkRectangle visible_rect;
3410 gtk_tree_view_get_visible_rect (tree_view, &visible_rect);
3411 if (reorder->left_column)
3412 x = reorder->left_column->button->allocation.x + reorder->left_column->button->allocation.width;
3413 else
3414 x = reorder->right_column->button->allocation.x;
3415
3416 if (x < visible_rect.x)
3417 arrow_type = DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT;
3418 else if (x > visible_rect.x + visible_rect.width)
3419 arrow_type = DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT;
3420 else
3421 arrow_type = DRAG_COLUMN_WINDOW_STATE_ARROW;
3422 }
3423
3424 /* We want to draw the rectangle over the initial location. */
3425 if (arrow_type == DRAG_COLUMN_WINDOW_STATE_ORIGINAL)
3426 {
3427 if (tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ORIGINAL)
3428 {
3429 if (tree_view->priv->drag_highlight_window)
3430 {
3431 gdk_window_set_user_data (tree_view->priv->drag_highlight_window,
3432 NULL);
3433 gdk_window_destroy (tree_view->priv->drag_highlight_window);
3434 }
3435
3436 attributes.window_type = GDK_WINDOW_CHILD;
3437 attributes.wclass = GDK_INPUT_OUTPUT;
3438 attributes.x = tree_view->priv->drag_column_x;
3439 attributes.y = 0;
3440 width = attributes.width = tree_view->priv->drag_column->button->allocation.width;
3441 height = attributes.height = tree_view->priv->drag_column->button->allocation.height;
3442 attributes.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view));
3443 attributes.colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_view));
3444 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK;
3445 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
3446 tree_view->priv->drag_highlight_window = gdk_window_new (tree_view->priv->header_window, &attributes, attributes_mask);
3447 gdk_window_set_user_data (tree_view->priv->drag_highlight_window, GTK_WIDGET (tree_view));
3448
3449 mask = gdk_pixmap_new (tree_view->priv->drag_highlight_window, width, height, 1);
3450 cr = gdk_cairo_create (mask);
3451
3452 cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
3453 cairo_paint (cr);
3454 cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
3455 cairo_rectangle (cr, 1, 1, width - 2, height - 2);
3456 cairo_stroke (cr);
3457 cairo_destroy (cr);
3458
3459 gdk_window_shape_combine_mask (tree_view->priv->drag_highlight_window,
3460 mask, 0, 0);
3461 if (mask) g_object_unref (mask);
3462 tree_view->priv->drag_column_window_state = DRAG_COLUMN_WINDOW_STATE_ORIGINAL;
3463 }
3464 }
3465 else if (arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW)
3466 {
3467 width = tree_view->priv->expander_size;
3468
3469 /* Get x, y, width, height of arrow */
3470 gdk_window_get_origin (tree_view->priv->header_window, &x, &y);
3471 if (reorder->left_column)
3472 {
3473 x += reorder->left_column->button->allocation.x + reorder->left_column->button->allocation.width - width/2;
3474 height = reorder->left_column->button->allocation.height;
3475 }
3476 else
3477 {
3478 x += reorder->right_column->button->allocation.x - width/2;
3479 height = reorder->right_column->button->allocation.height;
3480 }
3481 y -= tree_view->priv->expander_size/2; /* The arrow takes up only half the space */
3482 height += tree_view->priv->expander_size;
3483
3484 /* Create the new window */
3485 if (tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ARROW)
3486 {
3487 if (tree_view->priv->drag_highlight_window)
3488 {
3489 gdk_window_set_user_data (tree_view->priv->drag_highlight_window,
3490 NULL);
3491 gdk_window_destroy (tree_view->priv->drag_highlight_window);
3492 }
3493
3494 attributes.window_type = GDK_WINDOW_TEMP;
3495 attributes.wclass = GDK_INPUT_OUTPUT;
3496 attributes.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view));
3497 attributes.colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_view));
3498 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK;
3499 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
3500 attributes.x = x;
3501 attributes.y = y;
3502 attributes.width = width;
3503 attributes.height = height;
3504 tree_view->priv->drag_highlight_window = gdk_window_new (gtk_widget_get_root_window (widget),
3505 &attributes, attributes_mask);
3506 gdk_window_set_user_data (tree_view->priv->drag_highlight_window, GTK_WIDGET (tree_view));
3507
3508 mask = gdk_pixmap_new (tree_view->priv->drag_highlight_window, width, height, 1);
3509 cr = gdk_cairo_create (mask);
3510
3511 cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
3512 cairo_paint (cr);
3513 cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
3514 cairo_move_to (cr, 0, 0);
3515 cairo_line_to (cr, width, 0);
3516 cairo_line_to (cr, width / 2., width / 2);
3517 cairo_move_to (cr, 0, height);
3518 cairo_line_to (cr, width, height);
3519 cairo_line_to (cr, width / 2., height - width / 2.);
3520 cairo_fill (cr);
3521
3522 cairo_destroy (cr);
3523 gdk_window_shape_combine_mask (tree_view->priv->drag_highlight_window,
3524 mask, 0, 0);
3525 if (mask) g_object_unref (mask);
3526 }
3527
3528 tree_view->priv->drag_column_window_state = DRAG_COLUMN_WINDOW_STATE_ARROW;
3529 gdk_window_move (tree_view->priv->drag_highlight_window, x, y);
3530 }
3531 else if (arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT ||
3532 arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT)
3533 {
3534 width = tree_view->priv->expander_size;
3535
3536 /* Get x, y, width, height of arrow */
3537 width = width/2; /* remember, the arrow only takes half the available width */
3538 gdk_window_get_origin (widget->window, &x, &y);
3539 if (arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT)
3540 x += widget->allocation.width - width;
3541
3542 if (reorder->left_column)
3543 height = reorder->left_column->button->allocation.height;
3544 else
3545 height = reorder->right_column->button->allocation.height;
3546
3547 y -= tree_view->priv->expander_size;
3548 height += 2*tree_view->priv->expander_size;
3549
3550 /* Create the new window */
3551 if (tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT &&
3552 tree_view->priv->drag_column_window_state != DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT)
3553 {
3554 if (tree_view->priv->drag_highlight_window)
3555 {
3556 gdk_window_set_user_data (tree_view->priv->drag_highlight_window,
3557 NULL);
3558 gdk_window_destroy (tree_view->priv->drag_highlight_window);
3559 }
3560
3561 attributes.window_type = GDK_WINDOW_TEMP;
3562 attributes.wclass = GDK_INPUT_OUTPUT;
3563 attributes.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view));
3564 attributes.colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_view));
3565 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK;
3566 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
3567 attributes.x = x;
3568 attributes.y = y;
3569 attributes.width = width;
3570 attributes.height = height;
3571 tree_view->priv->drag_highlight_window = gdk_window_new (NULL, &attributes, attributes_mask);
3572 gdk_window_set_user_data (tree_view->priv->drag_highlight_window, GTK_WIDGET (tree_view));
3573
3574 mask = gdk_pixmap_new (tree_view->priv->drag_highlight_window, width, height, 1);
3575 cr = gdk_cairo_create (mask);
3576
3577 cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
3578 cairo_paint (cr);
3579 cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
3580 /* mirror if we're on the left */
3581 if (arrow_type == DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT)
3582 {
3583 cairo_translate (cr, width, 0);
3584 cairo_scale (cr, -1, 1);
3585 }
3586 cairo_move_to (cr, 0, 0);
3587 cairo_line_to (cr, width, width);
3588 cairo_line_to (cr, 0, tree_view->priv->expander_size);
3589 cairo_move_to (cr, 0, height);
3590 cairo_line_to (cr, width, height - width);
3591 cairo_line_to (cr, 0, height - tree_view->priv->expander_size);
3592 cairo_fill (cr);
3593
3594 cairo_destroy (cr);
3595 gdk_window_shape_combine_mask (tree_view->priv->drag_highlight_window,
3596 mask, 0, 0);
3597 if (mask) g_object_unref (mask);
3598 }
3599
3600 tree_view->priv->drag_column_window_state = arrow_type;
3601 gdk_window_move (tree_view->priv->drag_highlight_window, x, y);
3602 }
3603 else
3604 {
3605 g_warning (G_STRLOC"Invalid GtkTreeViewColumnReorder struct");
3606 gdk_window_hide (tree_view->priv->drag_highlight_window);
3607 return;
3608 }
3609
3610 gdk_window_show (tree_view->priv->drag_highlight_window);
3611 gdk_window_raise (tree_view->priv->drag_highlight_window);
3612 }
3613
3614 static gboolean
gtk_tree_view_motion_resize_column(GtkWidget * widget,GdkEventMotion * event)3615 gtk_tree_view_motion_resize_column (GtkWidget *widget,
3616 GdkEventMotion *event)
3617 {
3618 gint x;
3619 gint new_width;
3620 GtkTreeViewColumn *column;
3621 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
3622
3623 column = gtk_tree_view_get_column (tree_view, tree_view->priv->drag_pos);
3624
3625 if (event->is_hint || event->window != widget->window)
3626 gtk_widget_get_pointer (widget, &x, NULL);
3627 else
3628 x = event->x;
3629
3630 if (tree_view->priv->hadjustment)
3631 x += tree_view->priv->hadjustment->value;
3632
3633 new_width = gtk_tree_view_new_column_width (tree_view,
3634 tree_view->priv->drag_pos, &x);
3635 if (x != tree_view->priv->x_drag &&
3636 (new_width != column->fixed_width))
3637 {
3638 column->use_resized_width = TRUE;
3639 column->resized_width = new_width;
3640 if (column->expand)
3641 column->resized_width -= tree_view->priv->last_extra_space_per_column;
3642 gtk_widget_queue_resize (widget);
3643 }
3644
3645 return FALSE;
3646 }
3647
3648
3649 static void
gtk_tree_view_update_current_reorder(GtkTreeView * tree_view)3650 gtk_tree_view_update_current_reorder (GtkTreeView *tree_view)
3651 {
3652 GtkTreeViewColumnReorder *reorder = NULL;
3653 GList *list;
3654 gint mouse_x;
3655
3656 gdk_window_get_pointer (tree_view->priv->header_window, &mouse_x, NULL, NULL);
3657 for (list = tree_view->priv->column_drag_info; list; list = list->next)
3658 {
3659 reorder = (GtkTreeViewColumnReorder *) list->data;
3660 if (mouse_x >= reorder->left_align && mouse_x < reorder->right_align)
3661 break;
3662 reorder = NULL;
3663 }
3664
3665 /* if (reorder && reorder == tree_view->priv->cur_reorder)
3666 return;*/
3667
3668 tree_view->priv->cur_reorder = reorder;
3669 gtk_tree_view_motion_draw_column_motion_arrow (tree_view);
3670 }
3671
3672 static void
gtk_tree_view_vertical_autoscroll(GtkTreeView * tree_view)3673 gtk_tree_view_vertical_autoscroll (GtkTreeView *tree_view)
3674 {
3675 GdkRectangle visible_rect;
3676 gint y;
3677 gint offset;
3678 gfloat value;
3679
3680 gdk_window_get_pointer (tree_view->priv->bin_window, NULL, &y, NULL);
3681 y += tree_view->priv->dy;
3682
3683 gtk_tree_view_get_visible_rect (tree_view, &visible_rect);
3684
3685 /* see if we are near the edge. */
3686 offset = y - (visible_rect.y + 2 * SCROLL_EDGE_SIZE);
3687 if (offset > 0)
3688 {
3689 offset = y - (visible_rect.y + visible_rect.height - 2 * SCROLL_EDGE_SIZE);
3690 if (offset < 0)
3691 return;
3692 }
3693
3694 value = CLAMP (tree_view->priv->vadjustment->value + offset, 0.0,
3695 tree_view->priv->vadjustment->upper - tree_view->priv->vadjustment->page_size);
3696 gtk_adjustment_set_value (tree_view->priv->vadjustment, value);
3697 }
3698
3699 static gboolean
gtk_tree_view_horizontal_autoscroll(GtkTreeView * tree_view)3700 gtk_tree_view_horizontal_autoscroll (GtkTreeView *tree_view)
3701 {
3702 GdkRectangle visible_rect;
3703 gint x;
3704 gint offset;
3705 gfloat value;
3706
3707 gdk_window_get_pointer (tree_view->priv->bin_window, &x, NULL, NULL);
3708
3709 gtk_tree_view_get_visible_rect (tree_view, &visible_rect);
3710
3711 /* See if we are near the edge. */
3712 offset = x - (visible_rect.x + SCROLL_EDGE_SIZE);
3713 if (offset > 0)
3714 {
3715 offset = x - (visible_rect.x + visible_rect.width - SCROLL_EDGE_SIZE);
3716 if (offset < 0)
3717 return TRUE;
3718 }
3719 offset = offset/3;
3720
3721 value = CLAMP (tree_view->priv->hadjustment->value + offset,
3722 0.0, tree_view->priv->hadjustment->upper - tree_view->priv->hadjustment->page_size);
3723 gtk_adjustment_set_value (tree_view->priv->hadjustment, value);
3724
3725 return TRUE;
3726
3727 }
3728
3729 static gboolean
gtk_tree_view_motion_drag_column(GtkWidget * widget,GdkEventMotion * event)3730 gtk_tree_view_motion_drag_column (GtkWidget *widget,
3731 GdkEventMotion *event)
3732 {
3733 GtkTreeView *tree_view = (GtkTreeView *) widget;
3734 GtkTreeViewColumn *column = tree_view->priv->drag_column;
3735 gint x, y;
3736
3737 /* Sanity Check */
3738 if ((column == NULL) ||
3739 (event->window != tree_view->priv->drag_window))
3740 return FALSE;
3741
3742 /* Handle moving the header */
3743 gdk_window_get_position (tree_view->priv->drag_window, &x, &y);
3744 x = CLAMP (x + (gint)event->x - column->drag_x, 0,
3745 MAX (tree_view->priv->width, GTK_WIDGET (tree_view)->allocation.width) - column->button->allocation.width);
3746 gdk_window_move (tree_view->priv->drag_window, x, y);
3747
3748 /* autoscroll, if needed */
3749 gtk_tree_view_horizontal_autoscroll (tree_view);
3750 /* Update the current reorder position and arrow; */
3751 gtk_tree_view_update_current_reorder (tree_view);
3752
3753 return TRUE;
3754 }
3755
3756 static void
gtk_tree_view_stop_rubber_band(GtkTreeView * tree_view)3757 gtk_tree_view_stop_rubber_band (GtkTreeView *tree_view)
3758 {
3759 remove_scroll_timeout (tree_view);
3760 gtk_grab_remove (GTK_WIDGET (tree_view));
3761
3762 if (tree_view->priv->rubber_band_status == RUBBER_BAND_ACTIVE)
3763 {
3764 GtkTreePath *tmp_path;
3765
3766 gtk_widget_queue_draw (GTK_WIDGET (tree_view));
3767
3768 /* The anchor path should be set to the start path */
3769 tmp_path = _gtk_tree_view_find_path (tree_view,
3770 tree_view->priv->rubber_band_start_tree,
3771 tree_view->priv->rubber_band_start_node);
3772
3773 if (tree_view->priv->anchor)
3774 gtk_tree_row_reference_free (tree_view->priv->anchor);
3775
3776 tree_view->priv->anchor =
3777 gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view),
3778 tree_view->priv->model,
3779 tmp_path);
3780
3781 gtk_tree_path_free (tmp_path);
3782
3783 /* ... and the cursor to the end path */
3784 tmp_path = _gtk_tree_view_find_path (tree_view,
3785 tree_view->priv->rubber_band_end_tree,
3786 tree_view->priv->rubber_band_end_node);
3787 gtk_tree_view_real_set_cursor (GTK_TREE_VIEW (tree_view), tmp_path, FALSE, FALSE);
3788 gtk_tree_path_free (tmp_path);
3789
3790 _gtk_tree_selection_emit_changed (tree_view->priv->selection);
3791 }
3792
3793 /* Clear status variables */
3794 tree_view->priv->rubber_band_status = RUBBER_BAND_OFF;
3795 tree_view->priv->rubber_band_extend = FALSE;
3796 tree_view->priv->rubber_band_modify = FALSE;
3797
3798 tree_view->priv->rubber_band_start_node = NULL;
3799 tree_view->priv->rubber_band_start_tree = NULL;
3800 tree_view->priv->rubber_band_end_node = NULL;
3801 tree_view->priv->rubber_band_end_tree = NULL;
3802 }
3803
3804 static void
gtk_tree_view_update_rubber_band_selection_range(GtkTreeView * tree_view,GtkRBTree * start_tree,GtkRBNode * start_node,GtkRBTree * end_tree,GtkRBNode * end_node,gboolean select,gboolean skip_start,gboolean skip_end)3805 gtk_tree_view_update_rubber_band_selection_range (GtkTreeView *tree_view,
3806 GtkRBTree *start_tree,
3807 GtkRBNode *start_node,
3808 GtkRBTree *end_tree,
3809 GtkRBNode *end_node,
3810 gboolean select,
3811 gboolean skip_start,
3812 gboolean skip_end)
3813 {
3814 if (start_node == end_node)
3815 return;
3816
3817 /* We skip the first node and jump inside the loop */
3818 if (skip_start)
3819 goto skip_first;
3820
3821 do
3822 {
3823 /* Small optimization by assuming insensitive nodes are never
3824 * selected.
3825 */
3826 if (!GTK_RBNODE_FLAG_SET (start_node, GTK_RBNODE_IS_SELECTED))
3827 {
3828 GtkTreePath *path;
3829 gboolean selectable;
3830
3831 path = _gtk_tree_view_find_path (tree_view, start_tree, start_node);
3832 selectable = _gtk_tree_selection_row_is_selectable (tree_view->priv->selection, start_node, path);
3833 gtk_tree_path_free (path);
3834
3835 if (!selectable)
3836 goto node_not_selectable;
3837 }
3838
3839 if (select)
3840 {
3841 if (tree_view->priv->rubber_band_extend)
3842 GTK_RBNODE_SET_FLAG (start_node, GTK_RBNODE_IS_SELECTED);
3843 else if (tree_view->priv->rubber_band_modify)
3844 {
3845 /* Toggle the selection state */
3846 if (GTK_RBNODE_FLAG_SET (start_node, GTK_RBNODE_IS_SELECTED))
3847 GTK_RBNODE_UNSET_FLAG (start_node, GTK_RBNODE_IS_SELECTED);
3848 else
3849 GTK_RBNODE_SET_FLAG (start_node, GTK_RBNODE_IS_SELECTED);
3850 }
3851 else
3852 GTK_RBNODE_SET_FLAG (start_node, GTK_RBNODE_IS_SELECTED);
3853 }
3854 else
3855 {
3856 /* Mirror the above */
3857 if (tree_view->priv->rubber_band_extend)
3858 GTK_RBNODE_UNSET_FLAG (start_node, GTK_RBNODE_IS_SELECTED);
3859 else if (tree_view->priv->rubber_band_modify)
3860 {
3861 /* Toggle the selection state */
3862 if (GTK_RBNODE_FLAG_SET (start_node, GTK_RBNODE_IS_SELECTED))
3863 GTK_RBNODE_UNSET_FLAG (start_node, GTK_RBNODE_IS_SELECTED);
3864 else
3865 GTK_RBNODE_SET_FLAG (start_node, GTK_RBNODE_IS_SELECTED);
3866 }
3867 else
3868 GTK_RBNODE_UNSET_FLAG (start_node, GTK_RBNODE_IS_SELECTED);
3869 }
3870
3871 _gtk_tree_view_queue_draw_node (tree_view, start_tree, start_node, NULL);
3872
3873 node_not_selectable:
3874 if (start_node == end_node)
3875 break;
3876
3877 skip_first:
3878
3879 if (start_node->children)
3880 {
3881 start_tree = start_node->children;
3882 start_node = start_tree->root;
3883 while (start_node->left != start_tree->nil)
3884 start_node = start_node->left;
3885 }
3886 else
3887 {
3888 _gtk_rbtree_next_full (start_tree, start_node, &start_tree, &start_node);
3889
3890 if (!start_tree)
3891 /* Ran out of tree */
3892 break;
3893 }
3894
3895 if (skip_end && start_node == end_node)
3896 break;
3897 }
3898 while (TRUE);
3899 }
3900
3901 static void
gtk_tree_view_update_rubber_band_selection(GtkTreeView * tree_view)3902 gtk_tree_view_update_rubber_band_selection (GtkTreeView *tree_view)
3903 {
3904 GtkRBTree *start_tree, *end_tree;
3905 GtkRBNode *start_node, *end_node;
3906
3907 _gtk_rbtree_find_offset (tree_view->priv->tree, MIN (tree_view->priv->press_start_y, tree_view->priv->rubber_band_y), &start_tree, &start_node);
3908 _gtk_rbtree_find_offset (tree_view->priv->tree, MAX (tree_view->priv->press_start_y, tree_view->priv->rubber_band_y), &end_tree, &end_node);
3909
3910 /* Handle the start area first */
3911 if (!tree_view->priv->rubber_band_start_node)
3912 {
3913 gtk_tree_view_update_rubber_band_selection_range (tree_view,
3914 start_tree,
3915 start_node,
3916 end_tree,
3917 end_node,
3918 TRUE,
3919 FALSE,
3920 FALSE);
3921 }
3922 else if (_gtk_rbtree_node_find_offset (start_tree, start_node) <
3923 _gtk_rbtree_node_find_offset (tree_view->priv->rubber_band_start_tree, tree_view->priv->rubber_band_start_node))
3924 {
3925 /* New node is above the old one; selection became bigger */
3926 gtk_tree_view_update_rubber_band_selection_range (tree_view,
3927 start_tree,
3928 start_node,
3929 tree_view->priv->rubber_band_start_tree,
3930 tree_view->priv->rubber_band_start_node,
3931 TRUE,
3932 FALSE,
3933 TRUE);
3934 }
3935 else if (_gtk_rbtree_node_find_offset (start_tree, start_node) >
3936 _gtk_rbtree_node_find_offset (tree_view->priv->rubber_band_start_tree, tree_view->priv->rubber_band_start_node))
3937 {
3938 /* New node is below the old one; selection became smaller */
3939 gtk_tree_view_update_rubber_band_selection_range (tree_view,
3940 tree_view->priv->rubber_band_start_tree,
3941 tree_view->priv->rubber_band_start_node,
3942 start_tree,
3943 start_node,
3944 FALSE,
3945 FALSE,
3946 TRUE);
3947 }
3948
3949 tree_view->priv->rubber_band_start_tree = start_tree;
3950 tree_view->priv->rubber_band_start_node = start_node;
3951
3952 /* Next, handle the end area */
3953 if (!tree_view->priv->rubber_band_end_node)
3954 {
3955 /* In the event this happens, start_node was also NULL; this case is
3956 * handled above.
3957 */
3958 }
3959 else if (!end_node)
3960 {
3961 /* Find the last node in the tree */
3962 _gtk_rbtree_find_offset (tree_view->priv->tree, tree_view->priv->height - 1,
3963 &end_tree, &end_node);
3964
3965 /* Selection reached end of the tree */
3966 gtk_tree_view_update_rubber_band_selection_range (tree_view,
3967 tree_view->priv->rubber_band_end_tree,
3968 tree_view->priv->rubber_band_end_node,
3969 end_tree,
3970 end_node,
3971 TRUE,
3972 TRUE,
3973 FALSE);
3974 }
3975 else if (_gtk_rbtree_node_find_offset (end_tree, end_node) >
3976 _gtk_rbtree_node_find_offset (tree_view->priv->rubber_band_end_tree, tree_view->priv->rubber_band_end_node))
3977 {
3978 /* New node is below the old one; selection became bigger */
3979 gtk_tree_view_update_rubber_band_selection_range (tree_view,
3980 tree_view->priv->rubber_band_end_tree,
3981 tree_view->priv->rubber_band_end_node,
3982 end_tree,
3983 end_node,
3984 TRUE,
3985 TRUE,
3986 FALSE);
3987 }
3988 else if (_gtk_rbtree_node_find_offset (end_tree, end_node) <
3989 _gtk_rbtree_node_find_offset (tree_view->priv->rubber_band_end_tree, tree_view->priv->rubber_band_end_node))
3990 {
3991 /* New node is above the old one; selection became smaller */
3992 gtk_tree_view_update_rubber_band_selection_range (tree_view,
3993 end_tree,
3994 end_node,
3995 tree_view->priv->rubber_band_end_tree,
3996 tree_view->priv->rubber_band_end_node,
3997 FALSE,
3998 TRUE,
3999 FALSE);
4000 }
4001
4002 tree_view->priv->rubber_band_end_tree = end_tree;
4003 tree_view->priv->rubber_band_end_node = end_node;
4004 }
4005
4006 static void
gtk_tree_view_update_rubber_band(GtkTreeView * tree_view)4007 gtk_tree_view_update_rubber_band (GtkTreeView *tree_view)
4008 {
4009 gint x, y;
4010 GdkRectangle old_area;
4011 GdkRectangle new_area;
4012 GdkRectangle common;
4013 GdkRegion *invalid_region;
4014
4015 old_area.x = MIN (tree_view->priv->press_start_x, tree_view->priv->rubber_band_x);
4016 old_area.y = MIN (tree_view->priv->press_start_y, tree_view->priv->rubber_band_y) - tree_view->priv->dy;
4017 old_area.width = ABS (tree_view->priv->rubber_band_x - tree_view->priv->press_start_x) + 1;
4018 old_area.height = ABS (tree_view->priv->rubber_band_y - tree_view->priv->press_start_y) + 1;
4019
4020 gdk_window_get_pointer (tree_view->priv->bin_window, &x, &y, NULL);
4021
4022 x = MAX (x, 0);
4023 y = MAX (y, 0) + tree_view->priv->dy;
4024
4025 new_area.x = MIN (tree_view->priv->press_start_x, x);
4026 new_area.y = MIN (tree_view->priv->press_start_y, y) - tree_view->priv->dy;
4027 new_area.width = ABS (x - tree_view->priv->press_start_x) + 1;
4028 new_area.height = ABS (y - tree_view->priv->press_start_y) + 1;
4029
4030 invalid_region = gdk_region_rectangle (&old_area);
4031 gdk_region_union_with_rect (invalid_region, &new_area);
4032
4033 gdk_rectangle_intersect (&old_area, &new_area, &common);
4034 if (common.width > 2 && common.height > 2)
4035 {
4036 GdkRegion *common_region;
4037
4038 /* make sure the border is invalidated */
4039 common.x += 1;
4040 common.y += 1;
4041 common.width -= 2;
4042 common.height -= 2;
4043
4044 common_region = gdk_region_rectangle (&common);
4045
4046 gdk_region_subtract (invalid_region, common_region);
4047 gdk_region_destroy (common_region);
4048 }
4049
4050 gdk_window_invalidate_region (tree_view->priv->bin_window, invalid_region, TRUE);
4051
4052 gdk_region_destroy (invalid_region);
4053
4054 tree_view->priv->rubber_band_x = x;
4055 tree_view->priv->rubber_band_y = y;
4056
4057 gtk_tree_view_update_rubber_band_selection (tree_view);
4058 }
4059
4060 static void
gtk_tree_view_paint_rubber_band(GtkTreeView * tree_view,GdkRectangle * area)4061 gtk_tree_view_paint_rubber_band (GtkTreeView *tree_view,
4062 GdkRectangle *area)
4063 {
4064 cairo_t *cr;
4065 GdkRectangle rect;
4066 GdkRectangle rubber_rect;
4067
4068 rubber_rect.x = MIN (tree_view->priv->press_start_x, tree_view->priv->rubber_band_x);
4069 rubber_rect.y = MIN (tree_view->priv->press_start_y, tree_view->priv->rubber_band_y) - tree_view->priv->dy;
4070 rubber_rect.width = ABS (tree_view->priv->press_start_x - tree_view->priv->rubber_band_x) + 1;
4071 rubber_rect.height = ABS (tree_view->priv->press_start_y - tree_view->priv->rubber_band_y) + 1;
4072
4073 if (!gdk_rectangle_intersect (&rubber_rect, area, &rect))
4074 return;
4075
4076 cr = gdk_cairo_create (tree_view->priv->bin_window);
4077 cairo_set_line_width (cr, 1.0);
4078
4079 cairo_set_source_rgba (cr,
4080 GTK_WIDGET (tree_view)->style->fg[GTK_STATE_NORMAL].red / 65535.,
4081 GTK_WIDGET (tree_view)->style->fg[GTK_STATE_NORMAL].green / 65535.,
4082 GTK_WIDGET (tree_view)->style->fg[GTK_STATE_NORMAL].blue / 65535.,
4083 .25);
4084
4085 gdk_cairo_rectangle (cr, &rect);
4086 cairo_clip (cr);
4087 cairo_paint (cr);
4088
4089 cairo_set_source_rgb (cr,
4090 GTK_WIDGET (tree_view)->style->fg[GTK_STATE_NORMAL].red / 65535.,
4091 GTK_WIDGET (tree_view)->style->fg[GTK_STATE_NORMAL].green / 65535.,
4092 GTK_WIDGET (tree_view)->style->fg[GTK_STATE_NORMAL].blue / 65535.);
4093
4094 cairo_rectangle (cr,
4095 rubber_rect.x + 0.5, rubber_rect.y + 0.5,
4096 rubber_rect.width - 1, rubber_rect.height - 1);
4097 cairo_stroke (cr);
4098
4099 cairo_destroy (cr);
4100 }
4101
4102 static gboolean
gtk_tree_view_motion_bin_window(GtkWidget * widget,GdkEventMotion * event)4103 gtk_tree_view_motion_bin_window (GtkWidget *widget,
4104 GdkEventMotion *event)
4105 {
4106 GtkTreeView *tree_view;
4107 GtkRBTree *tree;
4108 GtkRBNode *node;
4109 gint new_y;
4110
4111 tree_view = (GtkTreeView *) widget;
4112
4113 if (tree_view->priv->tree == NULL)
4114 return FALSE;
4115
4116 if (tree_view->priv->rubber_band_status == RUBBER_BAND_MAYBE_START)
4117 {
4118 gtk_grab_add (GTK_WIDGET (tree_view));
4119 gtk_tree_view_update_rubber_band (tree_view);
4120
4121 tree_view->priv->rubber_band_status = RUBBER_BAND_ACTIVE;
4122 }
4123 else if (tree_view->priv->rubber_band_status == RUBBER_BAND_ACTIVE)
4124 {
4125 gtk_tree_view_update_rubber_band (tree_view);
4126
4127 add_scroll_timeout (tree_view);
4128 }
4129
4130 /* only check for an initiated drag when a button is pressed */
4131 if (tree_view->priv->pressed_button >= 0
4132 && !tree_view->priv->rubber_band_status)
4133 gtk_tree_view_maybe_begin_dragging_row (tree_view, event);
4134
4135 new_y = TREE_WINDOW_Y_TO_RBTREE_Y(tree_view, event->y);
4136 if (new_y < 0)
4137 new_y = 0;
4138
4139 _gtk_rbtree_find_offset (tree_view->priv->tree, new_y, &tree, &node);
4140
4141 /* If we are currently pressing down a button, we don't want to prelight anything else. */
4142 if ((tree_view->priv->button_pressed_node != NULL) &&
4143 (tree_view->priv->button_pressed_node != node))
4144 node = NULL;
4145
4146 tree_view->priv->event_last_x = event->x;
4147 tree_view->priv->event_last_y = event->y;
4148
4149 prelight_or_select (tree_view, tree, node, event->x, event->y);
4150
4151 return TRUE;
4152 }
4153
4154 static gboolean
gtk_tree_view_motion(GtkWidget * widget,GdkEventMotion * event)4155 gtk_tree_view_motion (GtkWidget *widget,
4156 GdkEventMotion *event)
4157 {
4158 GtkTreeView *tree_view;
4159
4160 tree_view = (GtkTreeView *) widget;
4161
4162 /* Resizing a column */
4163 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_RESIZE))
4164 return gtk_tree_view_motion_resize_column (widget, event);
4165
4166 /* Drag column */
4167 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG))
4168 return gtk_tree_view_motion_drag_column (widget, event);
4169
4170 /* Sanity check it */
4171 if (event->window == tree_view->priv->bin_window)
4172 return gtk_tree_view_motion_bin_window (widget, event);
4173
4174 return FALSE;
4175 }
4176
4177 /* Invalidate the focus rectangle near the edge of the bin_window; used when
4178 * the tree is empty.
4179 */
4180 static void
invalidate_empty_focus(GtkTreeView * tree_view)4181 invalidate_empty_focus (GtkTreeView *tree_view)
4182 {
4183 GdkRectangle area;
4184
4185 if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
4186 return;
4187
4188 area.x = 0;
4189 area.y = 0;
4190 area.width = gdk_window_get_width (tree_view->priv->bin_window);
4191 area.height = gdk_window_get_height (tree_view->priv->bin_window);
4192 gdk_window_invalidate_rect (tree_view->priv->bin_window, &area, FALSE);
4193 }
4194
4195 /* Draws a focus rectangle near the edge of the bin_window; used when the tree
4196 * is empty.
4197 */
4198 static void
draw_empty_focus(GtkTreeView * tree_view,GdkRectangle * clip_area)4199 draw_empty_focus (GtkTreeView *tree_view, GdkRectangle *clip_area)
4200 {
4201 GtkWidget *widget = GTK_WIDGET (tree_view);
4202 gint w, h;
4203
4204 if (!gtk_widget_has_focus (widget))
4205 return;
4206
4207 w = gdk_window_get_width (tree_view->priv->bin_window);
4208 h = gdk_window_get_height (tree_view->priv->bin_window);
4209
4210 w -= 2;
4211 h -= 2;
4212
4213 if (w > 0 && h > 0)
4214 gtk_paint_focus (gtk_widget_get_style (widget),
4215 tree_view->priv->bin_window,
4216 gtk_widget_get_state (widget),
4217 clip_area,
4218 widget,
4219 NULL,
4220 1, 1, w, h);
4221 }
4222
4223 typedef enum {
4224 GTK_TREE_VIEW_GRID_LINE,
4225 GTK_TREE_VIEW_TREE_LINE,
4226 GTK_TREE_VIEW_FOREGROUND_LINE
4227 } GtkTreeViewLineType;
4228
4229 static void
gtk_tree_view_draw_line(GtkTreeView * tree_view,GdkWindow * window,GtkTreeViewLineType type,int x1,int y1,int x2,int y2)4230 gtk_tree_view_draw_line (GtkTreeView *tree_view,
4231 GdkWindow *window,
4232 GtkTreeViewLineType type,
4233 int x1,
4234 int y1,
4235 int x2,
4236 int y2)
4237 {
4238 cairo_t *cr;
4239
4240 cr = gdk_cairo_create (window);
4241
4242 switch (type)
4243 {
4244 case GTK_TREE_VIEW_TREE_LINE:
4245 cairo_set_source_rgb (cr, 0, 0, 0);
4246 cairo_set_line_width (cr, tree_view->priv->tree_line_width);
4247 if (tree_view->priv->tree_line_dashes[0])
4248 cairo_set_dash (cr,
4249 tree_view->priv->tree_line_dashes,
4250 2, 0.5);
4251 break;
4252 case GTK_TREE_VIEW_GRID_LINE:
4253 cairo_set_source_rgb (cr, 0, 0, 0);
4254 cairo_set_line_width (cr, tree_view->priv->grid_line_width);
4255 if (tree_view->priv->grid_line_dashes[0])
4256 cairo_set_dash (cr,
4257 tree_view->priv->grid_line_dashes,
4258 2, 0.5);
4259 break;
4260 default:
4261 g_assert_not_reached ();
4262 /* fall through */
4263 case GTK_TREE_VIEW_FOREGROUND_LINE:
4264 cairo_set_line_width (cr, 1.0);
4265 gdk_cairo_set_source_color (cr,
4266 >K_WIDGET (tree_view)->style->fg[gtk_widget_get_state (GTK_WIDGET (tree_view))]);
4267 break;
4268 }
4269
4270 cairo_move_to (cr, x1 + 0.5, y1 + 0.5);
4271 cairo_line_to (cr, x2 + 0.5, y2 + 0.5);
4272 cairo_stroke (cr);
4273
4274 cairo_destroy (cr);
4275 }
4276
4277 static void
gtk_tree_view_draw_grid_lines(GtkTreeView * tree_view,GdkEventExpose * event,gint n_visible_columns)4278 gtk_tree_view_draw_grid_lines (GtkTreeView *tree_view,
4279 GdkEventExpose *event,
4280 gint n_visible_columns)
4281 {
4282 GList *list = tree_view->priv->columns;
4283 gint i = 0;
4284 gint current_x = 0;
4285
4286 if (tree_view->priv->grid_lines != GTK_TREE_VIEW_GRID_LINES_VERTICAL
4287 && tree_view->priv->grid_lines != GTK_TREE_VIEW_GRID_LINES_BOTH)
4288 return;
4289
4290 /* Only draw the lines for visible rows and columns */
4291 for (list = tree_view->priv->columns; list; list = list->next)
4292 {
4293 GtkTreeViewColumn *column = list->data;
4294
4295 /* We don't want a line for the last column */
4296 if (i == n_visible_columns - 1)
4297 break;
4298
4299 if (! column->visible)
4300 continue;
4301
4302 i++;
4303
4304 current_x += column->width;
4305
4306 gtk_tree_view_draw_line (tree_view, event->window,
4307 GTK_TREE_VIEW_GRID_LINE,
4308 current_x - 1, 0,
4309 current_x - 1, tree_view->priv->height);
4310 }
4311 }
4312
4313 /* Warning: Very scary function.
4314 * Modify at your own risk
4315 *
4316 * KEEP IN SYNC WITH gtk_tree_view_create_row_drag_icon()!
4317 * FIXME: It's not...
4318 */
4319 static gboolean
gtk_tree_view_bin_expose(GtkWidget * widget,GdkEventExpose * event)4320 gtk_tree_view_bin_expose (GtkWidget *widget,
4321 GdkEventExpose *event)
4322 {
4323 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
4324 GtkTreePath *path;
4325 GtkRBTree *tree;
4326 GList *list;
4327 GtkRBNode *node;
4328 GtkRBNode *cursor = NULL;
4329 GtkRBTree *cursor_tree = NULL;
4330 GtkRBNode *drag_highlight = NULL;
4331 GtkRBTree *drag_highlight_tree = NULL;
4332 GtkTreeIter iter;
4333 gint new_y;
4334 gint y_offset, cell_offset;
4335 gint max_height;
4336 gint depth;
4337 GdkRectangle background_area;
4338 GdkRectangle cell_area;
4339 guint flags;
4340 gint highlight_x;
4341 gint expander_cell_width;
4342 gint bin_window_width;
4343 gint bin_window_height;
4344 GtkTreePath *cursor_path;
4345 GtkTreePath *drag_dest_path;
4346 GList *first_column, *last_column;
4347 gint vertical_separator;
4348 gint horizontal_separator;
4349 gint focus_line_width;
4350 gboolean allow_rules;
4351 gboolean has_special_cell;
4352 gboolean rtl;
4353 gint n_visible_columns;
4354 gint pointer_x, pointer_y;
4355 gint grid_line_width;
4356 gboolean got_pointer = FALSE;
4357 gboolean row_ending_details;
4358 gboolean draw_vgrid_lines, draw_hgrid_lines;
4359
4360 rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
4361
4362 gtk_widget_style_get (widget,
4363 "horizontal-separator", &horizontal_separator,
4364 "vertical-separator", &vertical_separator,
4365 "allow-rules", &allow_rules,
4366 "focus-line-width", &focus_line_width,
4367 "row-ending-details", &row_ending_details,
4368 NULL);
4369
4370 if (tree_view->priv->tree == NULL)
4371 {
4372 draw_empty_focus (tree_view, &event->area);
4373 return TRUE;
4374 }
4375
4376 /* clip event->area to the visible area */
4377 if (event->area.height < 0)
4378 return TRUE;
4379
4380 validate_visible_area (tree_view);
4381
4382 new_y = TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, event->area.y);
4383
4384 if (new_y < 0)
4385 new_y = 0;
4386 y_offset = -_gtk_rbtree_find_offset (tree_view->priv->tree, new_y, &tree, &node);
4387 bin_window_width = gdk_window_get_width (tree_view->priv->bin_window);
4388 bin_window_height = gdk_window_get_height (tree_view->priv->bin_window);
4389
4390 if (tree_view->priv->height < bin_window_height)
4391 {
4392 gtk_paint_flat_box (widget->style,
4393 event->window,
4394 widget->state,
4395 GTK_SHADOW_NONE,
4396 &event->area,
4397 widget,
4398 "cell_even",
4399 0, tree_view->priv->height,
4400 bin_window_width,
4401 bin_window_height - tree_view->priv->height);
4402 }
4403
4404 if (node == NULL)
4405 return TRUE;
4406
4407 /* find the path for the node */
4408 path = _gtk_tree_view_find_path ((GtkTreeView *)widget,
4409 tree,
4410 node);
4411 gtk_tree_model_get_iter (tree_view->priv->model,
4412 &iter,
4413 path);
4414 depth = gtk_tree_path_get_depth (path);
4415 gtk_tree_path_free (path);
4416
4417 cursor_path = NULL;
4418 drag_dest_path = NULL;
4419
4420 if (tree_view->priv->cursor)
4421 cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
4422
4423 if (cursor_path)
4424 _gtk_tree_view_find_node (tree_view, cursor_path,
4425 &cursor_tree, &cursor);
4426
4427 if (tree_view->priv->drag_dest_row)
4428 drag_dest_path = gtk_tree_row_reference_get_path (tree_view->priv->drag_dest_row);
4429
4430 if (drag_dest_path)
4431 _gtk_tree_view_find_node (tree_view, drag_dest_path,
4432 &drag_highlight_tree, &drag_highlight);
4433
4434 draw_vgrid_lines =
4435 tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_VERTICAL
4436 || tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_BOTH;
4437 draw_hgrid_lines =
4438 tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_HORIZONTAL
4439 || tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_BOTH;
4440
4441 if (draw_vgrid_lines || draw_hgrid_lines)
4442 gtk_widget_style_get (widget, "grid-line-width", &grid_line_width, NULL);
4443
4444 n_visible_columns = 0;
4445 for (list = tree_view->priv->columns; list; list = list->next)
4446 {
4447 if (! GTK_TREE_VIEW_COLUMN (list->data)->visible)
4448 continue;
4449 n_visible_columns ++;
4450 }
4451
4452 /* Find the last column */
4453 for (last_column = g_list_last (tree_view->priv->columns);
4454 last_column && !(GTK_TREE_VIEW_COLUMN (last_column->data)->visible);
4455 last_column = last_column->prev)
4456 ;
4457
4458 /* and the first */
4459 for (first_column = g_list_first (tree_view->priv->columns);
4460 first_column && !(GTK_TREE_VIEW_COLUMN (first_column->data)->visible);
4461 first_column = first_column->next)
4462 ;
4463
4464 /* Actually process the expose event. To do this, we want to
4465 * start at the first node of the event, and walk the tree in
4466 * order, drawing each successive node.
4467 */
4468
4469 do
4470 {
4471 gboolean parity;
4472 gboolean is_separator = FALSE;
4473 gboolean is_first = FALSE;
4474 gboolean is_last = FALSE;
4475
4476 is_separator = row_is_separator (tree_view, &iter, NULL);
4477
4478 max_height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
4479
4480 cell_offset = 0;
4481 highlight_x = 0; /* should match x coord of first cell */
4482 expander_cell_width = 0;
4483
4484 background_area.y = y_offset + event->area.y;
4485 background_area.height = max_height;
4486
4487 flags = 0;
4488
4489 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PRELIT))
4490 flags |= GTK_CELL_RENDERER_PRELIT;
4491
4492 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
4493 flags |= GTK_CELL_RENDERER_SELECTED;
4494
4495 parity = _gtk_rbtree_node_find_parity (tree, node);
4496
4497 /* we *need* to set cell data on all cells before the call
4498 * to _has_special_cell, else _has_special_cell() does not
4499 * return a correct value.
4500 */
4501 for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
4502 list;
4503 list = (rtl ? list->prev : list->next))
4504 {
4505 GtkTreeViewColumn *column = list->data;
4506 gtk_tree_view_column_cell_set_cell_data (column,
4507 tree_view->priv->model,
4508 &iter,
4509 GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT),
4510 node->children?TRUE:FALSE);
4511 }
4512
4513 has_special_cell = gtk_tree_view_has_special_cell (tree_view);
4514
4515 for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
4516 list;
4517 list = (rtl ? list->prev : list->next))
4518 {
4519 GtkTreeViewColumn *column = list->data;
4520 const gchar *detail = NULL;
4521 GtkStateType state;
4522
4523 if (!column->visible)
4524 continue;
4525
4526 if (cell_offset > event->area.x + event->area.width ||
4527 cell_offset + column->width < event->area.x)
4528 {
4529 cell_offset += column->width;
4530 continue;
4531 }
4532
4533 if (column->show_sort_indicator)
4534 flags |= GTK_CELL_RENDERER_SORTED;
4535 else
4536 flags &= ~GTK_CELL_RENDERER_SORTED;
4537
4538 if (cursor == node)
4539 flags |= GTK_CELL_RENDERER_FOCUSED;
4540 else
4541 flags &= ~GTK_CELL_RENDERER_FOCUSED;
4542
4543 background_area.x = cell_offset;
4544 background_area.width = column->width;
4545
4546 cell_area = background_area;
4547 cell_area.y += vertical_separator / 2;
4548 cell_area.x += horizontal_separator / 2;
4549 cell_area.height -= vertical_separator;
4550 cell_area.width -= horizontal_separator;
4551
4552 if (draw_vgrid_lines)
4553 {
4554 if (list == first_column)
4555 {
4556 cell_area.width -= grid_line_width / 2;
4557 }
4558 else if (list == last_column)
4559 {
4560 cell_area.x += grid_line_width / 2;
4561 cell_area.width -= grid_line_width / 2;
4562 }
4563 else
4564 {
4565 cell_area.x += grid_line_width / 2;
4566 cell_area.width -= grid_line_width;
4567 }
4568 }
4569
4570 if (draw_hgrid_lines)
4571 {
4572 cell_area.y += grid_line_width / 2;
4573 cell_area.height -= grid_line_width;
4574 }
4575
4576 if (gdk_region_rect_in (event->region, &background_area) == GDK_OVERLAP_RECTANGLE_OUT)
4577 {
4578 cell_offset += column->width;
4579 continue;
4580 }
4581
4582 gtk_tree_view_column_cell_set_cell_data (column,
4583 tree_view->priv->model,
4584 &iter,
4585 GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT),
4586 node->children?TRUE:FALSE);
4587
4588 /* Select the detail for drawing the cell. relevant
4589 * factors are parity, sortedness, and whether to
4590 * display rules.
4591 */
4592 if (allow_rules && tree_view->priv->has_rules)
4593 {
4594 if ((flags & GTK_CELL_RENDERER_SORTED) &&
4595 n_visible_columns >= 3)
4596 {
4597 if (parity)
4598 detail = "cell_odd_ruled_sorted";
4599 else
4600 detail = "cell_even_ruled_sorted";
4601 }
4602 else
4603 {
4604 if (parity)
4605 detail = "cell_odd_ruled";
4606 else
4607 detail = "cell_even_ruled";
4608 }
4609 }
4610 else
4611 {
4612 if ((flags & GTK_CELL_RENDERER_SORTED) &&
4613 n_visible_columns >= 3)
4614 {
4615 if (parity)
4616 detail = "cell_odd_sorted";
4617 else
4618 detail = "cell_even_sorted";
4619 }
4620 else
4621 {
4622 if (parity)
4623 detail = "cell_odd";
4624 else
4625 detail = "cell_even";
4626 }
4627 }
4628
4629 g_assert (detail);
4630
4631 if (widget->state == GTK_STATE_INSENSITIVE)
4632 state = GTK_STATE_INSENSITIVE;
4633 else if (flags & GTK_CELL_RENDERER_SELECTED)
4634 state = GTK_STATE_SELECTED;
4635 else
4636 state = GTK_STATE_NORMAL;
4637
4638 /* Draw background */
4639 if (row_ending_details)
4640 {
4641 char new_detail[128];
4642
4643 is_first = (rtl ? !list->next : !list->prev);
4644 is_last = (rtl ? !list->prev : !list->next);
4645
4646 /* (I don't like the snprintfs either, but couldn't find a
4647 * less messy way).
4648 */
4649 if (is_first && is_last)
4650 g_snprintf (new_detail, 127, "%s", detail);
4651 else if (is_first)
4652 g_snprintf (new_detail, 127, "%s_start", detail);
4653 else if (is_last)
4654 g_snprintf (new_detail, 127, "%s_end", detail);
4655 else
4656 g_snprintf (new_detail, 128, "%s_middle", detail);
4657
4658 gtk_paint_flat_box (widget->style,
4659 event->window,
4660 state,
4661 GTK_SHADOW_NONE,
4662 &event->area,
4663 widget,
4664 new_detail,
4665 background_area.x,
4666 background_area.y,
4667 background_area.width,
4668 background_area.height);
4669 }
4670 else
4671 {
4672 gtk_paint_flat_box (widget->style,
4673 event->window,
4674 state,
4675 GTK_SHADOW_NONE,
4676 &event->area,
4677 widget,
4678 detail,
4679 background_area.x,
4680 background_area.y,
4681 background_area.width,
4682 background_area.height);
4683 }
4684
4685 if (gtk_tree_view_is_expander_column (tree_view, column))
4686 {
4687 if (!rtl)
4688 cell_area.x += (depth - 1) * tree_view->priv->level_indentation;
4689 cell_area.width -= (depth - 1) * tree_view->priv->level_indentation;
4690
4691 if (TREE_VIEW_DRAW_EXPANDERS(tree_view))
4692 {
4693 if (!rtl)
4694 cell_area.x += depth * tree_view->priv->expander_size;
4695 cell_area.width -= depth * tree_view->priv->expander_size;
4696 }
4697
4698 /* If we have an expander column, the highlight underline
4699 * starts with that column, so that it indicates which
4700 * level of the tree we're dropping at.
4701 */
4702 highlight_x = cell_area.x;
4703 expander_cell_width = cell_area.width;
4704
4705 if (is_separator)
4706 gtk_paint_hline (widget->style,
4707 event->window,
4708 state,
4709 &cell_area,
4710 widget,
4711 NULL,
4712 cell_area.x,
4713 cell_area.x + cell_area.width,
4714 cell_area.y + cell_area.height / 2);
4715 else
4716 _gtk_tree_view_column_cell_render (column,
4717 event->window,
4718 &background_area,
4719 &cell_area,
4720 &event->area,
4721 flags);
4722 if (TREE_VIEW_DRAW_EXPANDERS(tree_view)
4723 && (node->flags & GTK_RBNODE_IS_PARENT) == GTK_RBNODE_IS_PARENT)
4724 {
4725 if (!got_pointer)
4726 {
4727 gdk_window_get_pointer (tree_view->priv->bin_window,
4728 &pointer_x, &pointer_y, NULL);
4729 got_pointer = TRUE;
4730 }
4731
4732 gtk_tree_view_draw_arrow (GTK_TREE_VIEW (widget),
4733 tree,
4734 node,
4735 pointer_x, pointer_y);
4736 }
4737 }
4738 else
4739 {
4740 if (is_separator)
4741 gtk_paint_hline (widget->style,
4742 event->window,
4743 state,
4744 &cell_area,
4745 widget,
4746 NULL,
4747 cell_area.x,
4748 cell_area.x + cell_area.width,
4749 cell_area.y + cell_area.height / 2);
4750 else
4751 _gtk_tree_view_column_cell_render (column,
4752 event->window,
4753 &background_area,
4754 &cell_area,
4755 &event->area,
4756 flags);
4757 }
4758
4759 if (draw_hgrid_lines)
4760 {
4761 if (background_area.y > 0)
4762 gtk_tree_view_draw_line (tree_view, event->window,
4763 GTK_TREE_VIEW_GRID_LINE,
4764 background_area.x, background_area.y,
4765 background_area.x + background_area.width,
4766 background_area.y);
4767
4768 if (y_offset + max_height >= event->area.height)
4769 gtk_tree_view_draw_line (tree_view, event->window,
4770 GTK_TREE_VIEW_GRID_LINE,
4771 background_area.x, background_area.y + max_height,
4772 background_area.x + background_area.width,
4773 background_area.y + max_height);
4774 }
4775
4776 if (gtk_tree_view_is_expander_column (tree_view, column) &&
4777 tree_view->priv->tree_lines_enabled)
4778 {
4779 gint x = background_area.x;
4780 gint mult = rtl ? -1 : 1;
4781 gint y0 = background_area.y;
4782 gint y1 = background_area.y + background_area.height/2;
4783 gint y2 = background_area.y + background_area.height;
4784
4785 if (rtl)
4786 x += background_area.width - 1;
4787
4788 if ((node->flags & GTK_RBNODE_IS_PARENT) == GTK_RBNODE_IS_PARENT
4789 && depth > 1)
4790 {
4791 gtk_tree_view_draw_line (tree_view, event->window,
4792 GTK_TREE_VIEW_TREE_LINE,
4793 x + tree_view->priv->expander_size * (depth - 1.5) * mult,
4794 y1,
4795 x + tree_view->priv->expander_size * (depth - 1.1) * mult,
4796 y1);
4797 }
4798 else if (depth > 1)
4799 {
4800 gtk_tree_view_draw_line (tree_view, event->window,
4801 GTK_TREE_VIEW_TREE_LINE,
4802 x + tree_view->priv->expander_size * (depth - 1.5) * mult,
4803 y1,
4804 x + tree_view->priv->expander_size * (depth - 0.5) * mult,
4805 y1);
4806 }
4807
4808 if (depth > 1)
4809 {
4810 gint i;
4811 GtkRBNode *tmp_node;
4812 GtkRBTree *tmp_tree;
4813
4814 if (!_gtk_rbtree_next (tree, node))
4815 gtk_tree_view_draw_line (tree_view, event->window,
4816 GTK_TREE_VIEW_TREE_LINE,
4817 x + tree_view->priv->expander_size * (depth - 1.5) * mult,
4818 y0,
4819 x + tree_view->priv->expander_size * (depth - 1.5) * mult,
4820 y1);
4821 else
4822 gtk_tree_view_draw_line (tree_view, event->window,
4823 GTK_TREE_VIEW_TREE_LINE,
4824 x + tree_view->priv->expander_size * (depth - 1.5) * mult,
4825 y0,
4826 x + tree_view->priv->expander_size * (depth - 1.5) * mult,
4827 y2);
4828
4829 tmp_node = tree->parent_node;
4830 tmp_tree = tree->parent_tree;
4831
4832 for (i = depth - 2; i > 0; i--)
4833 {
4834 if (_gtk_rbtree_next (tmp_tree, tmp_node))
4835 gtk_tree_view_draw_line (tree_view, event->window,
4836 GTK_TREE_VIEW_TREE_LINE,
4837 x + tree_view->priv->expander_size * (i - 0.5) * mult,
4838 y0,
4839 x + tree_view->priv->expander_size * (i - 0.5) * mult,
4840 y2);
4841
4842 tmp_node = tmp_tree->parent_node;
4843 tmp_tree = tmp_tree->parent_tree;
4844 }
4845 }
4846 }
4847
4848 if (node == cursor && has_special_cell &&
4849 ((column == tree_view->priv->focus_column &&
4850 GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS) &&
4851 gtk_widget_has_focus (widget)) ||
4852 (column == tree_view->priv->edited_column)))
4853 {
4854 _gtk_tree_view_column_cell_draw_focus (column,
4855 event->window,
4856 &background_area,
4857 &cell_area,
4858 &event->area,
4859 flags);
4860 }
4861
4862 cell_offset += column->width;
4863 }
4864
4865 if (node == drag_highlight)
4866 {
4867 /* Draw indicator for the drop
4868 */
4869 gint highlight_y = -1;
4870 GtkRBTree *tree = NULL;
4871 GtkRBNode *node = NULL;
4872 gint width;
4873
4874 switch (tree_view->priv->drag_dest_pos)
4875 {
4876 case GTK_TREE_VIEW_DROP_BEFORE:
4877 highlight_y = background_area.y - 1;
4878 if (highlight_y < 0)
4879 highlight_y = 0;
4880 break;
4881
4882 case GTK_TREE_VIEW_DROP_AFTER:
4883 highlight_y = background_area.y + background_area.height - 1;
4884 break;
4885
4886 case GTK_TREE_VIEW_DROP_INTO_OR_BEFORE:
4887 case GTK_TREE_VIEW_DROP_INTO_OR_AFTER:
4888 _gtk_tree_view_find_node (tree_view, drag_dest_path, &tree, &node);
4889
4890 if (tree == NULL)
4891 break;
4892 width = gdk_window_get_width (tree_view->priv->bin_window);
4893
4894 if (row_ending_details)
4895 gtk_paint_focus (widget->style,
4896 tree_view->priv->bin_window,
4897 gtk_widget_get_state (widget),
4898 &event->area,
4899 widget,
4900 (is_first
4901 ? (is_last ? "treeview-drop-indicator" : "treeview-drop-indicator-left" )
4902 : (is_last ? "treeview-drop-indicator-right" : "tree-view-drop-indicator-middle" )),
4903 0, BACKGROUND_FIRST_PIXEL (tree_view, tree, node)
4904 - focus_line_width / 2,
4905 width, ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node))
4906 - focus_line_width + 1);
4907 else
4908 gtk_paint_focus (widget->style,
4909 tree_view->priv->bin_window,
4910 gtk_widget_get_state (widget),
4911 &event->area,
4912 widget,
4913 "treeview-drop-indicator",
4914 0, BACKGROUND_FIRST_PIXEL (tree_view, tree, node)
4915 - focus_line_width / 2,
4916 width, ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node))
4917 - focus_line_width + 1);
4918 break;
4919 }
4920
4921 if (highlight_y >= 0)
4922 {
4923 gtk_tree_view_draw_line (tree_view, event->window,
4924 GTK_TREE_VIEW_FOREGROUND_LINE,
4925 rtl ? highlight_x + expander_cell_width : highlight_x,
4926 highlight_y,
4927 rtl ? 0 : bin_window_width,
4928 highlight_y);
4929 }
4930 }
4931
4932 /* draw the big row-spanning focus rectangle, if needed */
4933 if (!has_special_cell && node == cursor &&
4934 GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS) &&
4935 gtk_widget_has_focus (widget))
4936 {
4937 gint tmp_y, tmp_height;
4938 gint width;
4939 GtkStateType focus_rect_state;
4940
4941 focus_rect_state =
4942 flags & GTK_CELL_RENDERER_SELECTED ? GTK_STATE_SELECTED :
4943 (flags & GTK_CELL_RENDERER_PRELIT ? GTK_STATE_PRELIGHT :
4944 (flags & GTK_CELL_RENDERER_INSENSITIVE ? GTK_STATE_INSENSITIVE :
4945 GTK_STATE_NORMAL));
4946
4947 width = gdk_window_get_width (tree_view->priv->bin_window);
4948
4949 if (draw_hgrid_lines)
4950 {
4951 tmp_y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node) + grid_line_width / 2;
4952 tmp_height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node)) - grid_line_width;
4953 }
4954 else
4955 {
4956 tmp_y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node);
4957 tmp_height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
4958 }
4959
4960 if (row_ending_details)
4961 gtk_paint_focus (widget->style,
4962 tree_view->priv->bin_window,
4963 focus_rect_state,
4964 &event->area,
4965 widget,
4966 (is_first
4967 ? (is_last ? "treeview" : "treeview-left" )
4968 : (is_last ? "treeview-right" : "treeview-middle" )),
4969 0, tmp_y,
4970 width, tmp_height);
4971 else
4972 gtk_paint_focus (widget->style,
4973 tree_view->priv->bin_window,
4974 focus_rect_state,
4975 &event->area,
4976 widget,
4977 "treeview",
4978 0, tmp_y,
4979 width, tmp_height);
4980 }
4981
4982 y_offset += max_height;
4983 if (node->children)
4984 {
4985 GtkTreeIter parent = iter;
4986 gboolean has_child;
4987
4988 tree = node->children;
4989 node = tree->root;
4990
4991 g_assert (node != tree->nil);
4992
4993 while (node->left != tree->nil)
4994 node = node->left;
4995 has_child = gtk_tree_model_iter_children (tree_view->priv->model,
4996 &iter,
4997 &parent);
4998 depth++;
4999
5000 /* Sanity Check! */
5001 TREE_VIEW_INTERNAL_ASSERT (has_child, FALSE);
5002 }
5003 else
5004 {
5005 gboolean done = FALSE;
5006
5007 do
5008 {
5009 node = _gtk_rbtree_next (tree, node);
5010 if (node != NULL)
5011 {
5012 gboolean has_next = gtk_tree_model_iter_next (tree_view->priv->model, &iter);
5013 done = TRUE;
5014
5015 /* Sanity Check! */
5016 TREE_VIEW_INTERNAL_ASSERT (has_next, FALSE);
5017 }
5018 else
5019 {
5020 GtkTreeIter parent_iter = iter;
5021 gboolean has_parent;
5022
5023 node = tree->parent_node;
5024 tree = tree->parent_tree;
5025 if (tree == NULL)
5026 /* we should go to done to free some memory */
5027 goto done;
5028 has_parent = gtk_tree_model_iter_parent (tree_view->priv->model,
5029 &iter,
5030 &parent_iter);
5031 depth--;
5032
5033 /* Sanity check */
5034 TREE_VIEW_INTERNAL_ASSERT (has_parent, FALSE);
5035 }
5036 }
5037 while (!done);
5038 }
5039 }
5040 while (y_offset < event->area.height);
5041
5042 done:
5043 gtk_tree_view_draw_grid_lines (tree_view, event, n_visible_columns);
5044
5045 if (tree_view->priv->rubber_band_status == RUBBER_BAND_ACTIVE)
5046 {
5047 GdkRectangle *rectangles;
5048 gint n_rectangles;
5049
5050 gdk_region_get_rectangles (event->region,
5051 &rectangles,
5052 &n_rectangles);
5053
5054 while (n_rectangles--)
5055 gtk_tree_view_paint_rubber_band (tree_view, &rectangles[n_rectangles]);
5056
5057 g_free (rectangles);
5058 }
5059
5060 if (cursor_path)
5061 gtk_tree_path_free (cursor_path);
5062
5063 if (drag_dest_path)
5064 gtk_tree_path_free (drag_dest_path);
5065
5066 return FALSE;
5067 }
5068
5069 static gboolean
gtk_tree_view_expose(GtkWidget * widget,GdkEventExpose * event)5070 gtk_tree_view_expose (GtkWidget *widget,
5071 GdkEventExpose *event)
5072 {
5073 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
5074
5075 if (event->window == tree_view->priv->bin_window)
5076 {
5077 gboolean retval;
5078 GList *tmp_list;
5079
5080 retval = gtk_tree_view_bin_expose (widget, event);
5081
5082 /* We can't just chain up to Container::expose as it will try to send the
5083 * event to the headers, so we handle propagating it to our children
5084 * (eg. widgets being edited) ourselves.
5085 */
5086 tmp_list = tree_view->priv->children;
5087 while (tmp_list)
5088 {
5089 GtkTreeViewChild *child = tmp_list->data;
5090 tmp_list = tmp_list->next;
5091
5092 gtk_container_propagate_expose (GTK_CONTAINER (tree_view), child->widget, event);
5093 }
5094
5095 return retval;
5096 }
5097
5098 else if (event->window == tree_view->priv->header_window)
5099 {
5100 GList *list;
5101
5102 for (list = tree_view->priv->columns; list != NULL; list = list->next)
5103 {
5104 GtkTreeViewColumn *column = list->data;
5105
5106 if (column == tree_view->priv->drag_column)
5107 continue;
5108
5109 if (column->visible)
5110 gtk_container_propagate_expose (GTK_CONTAINER (tree_view),
5111 column->button,
5112 event);
5113 }
5114 }
5115 else if (event->window == tree_view->priv->drag_window)
5116 {
5117 gtk_container_propagate_expose (GTK_CONTAINER (tree_view),
5118 tree_view->priv->drag_column->button,
5119 event);
5120 }
5121 return TRUE;
5122 }
5123
5124 enum
5125 {
5126 DROP_HOME,
5127 DROP_RIGHT,
5128 DROP_LEFT,
5129 DROP_END
5130 };
5131
5132 /* returns 0x1 when no column has been found -- yes it's hackish */
5133 static GtkTreeViewColumn *
gtk_tree_view_get_drop_column(GtkTreeView * tree_view,GtkTreeViewColumn * column,gint drop_position)5134 gtk_tree_view_get_drop_column (GtkTreeView *tree_view,
5135 GtkTreeViewColumn *column,
5136 gint drop_position)
5137 {
5138 GtkTreeViewColumn *left_column = NULL;
5139 GtkTreeViewColumn *cur_column = NULL;
5140 GList *tmp_list;
5141
5142 if (!column->reorderable)
5143 return (GtkTreeViewColumn *)0x1;
5144
5145 switch (drop_position)
5146 {
5147 case DROP_HOME:
5148 /* find first column where we can drop */
5149 tmp_list = tree_view->priv->columns;
5150 if (column == GTK_TREE_VIEW_COLUMN (tmp_list->data))
5151 return (GtkTreeViewColumn *)0x1;
5152
5153 while (tmp_list)
5154 {
5155 g_assert (tmp_list);
5156
5157 cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
5158 tmp_list = tmp_list->next;
5159
5160 if (left_column && left_column->visible == FALSE)
5161 continue;
5162
5163 if (!tree_view->priv->column_drop_func)
5164 return left_column;
5165
5166 if (!tree_view->priv->column_drop_func (tree_view, column, left_column, cur_column, tree_view->priv->column_drop_func_data))
5167 {
5168 left_column = cur_column;
5169 continue;
5170 }
5171
5172 return left_column;
5173 }
5174
5175 if (!tree_view->priv->column_drop_func)
5176 return left_column;
5177
5178 if (tree_view->priv->column_drop_func (tree_view, column, left_column, NULL, tree_view->priv->column_drop_func_data))
5179 return left_column;
5180 else
5181 return (GtkTreeViewColumn *)0x1;
5182 break;
5183
5184 case DROP_RIGHT:
5185 /* find first column after column where we can drop */
5186 tmp_list = tree_view->priv->columns;
5187
5188 for (; tmp_list; tmp_list = tmp_list->next)
5189 if (GTK_TREE_VIEW_COLUMN (tmp_list->data) == column)
5190 break;
5191
5192 if (!tmp_list || !tmp_list->next)
5193 return (GtkTreeViewColumn *)0x1;
5194
5195 tmp_list = tmp_list->next;
5196 left_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
5197 tmp_list = tmp_list->next;
5198
5199 while (tmp_list)
5200 {
5201 g_assert (tmp_list);
5202
5203 cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
5204 tmp_list = tmp_list->next;
5205
5206 if (left_column && left_column->visible == FALSE)
5207 {
5208 left_column = cur_column;
5209 if (tmp_list)
5210 tmp_list = tmp_list->next;
5211 continue;
5212 }
5213
5214 if (!tree_view->priv->column_drop_func)
5215 return left_column;
5216
5217 if (!tree_view->priv->column_drop_func (tree_view, column, left_column, cur_column, tree_view->priv->column_drop_func_data))
5218 {
5219 left_column = cur_column;
5220 continue;
5221 }
5222
5223 return left_column;
5224 }
5225
5226 if (!tree_view->priv->column_drop_func)
5227 return left_column;
5228
5229 if (tree_view->priv->column_drop_func (tree_view, column, left_column, NULL, tree_view->priv->column_drop_func_data))
5230 return left_column;
5231 else
5232 return (GtkTreeViewColumn *)0x1;
5233 break;
5234
5235 case DROP_LEFT:
5236 /* find first column before column where we can drop */
5237 tmp_list = tree_view->priv->columns;
5238
5239 for (; tmp_list; tmp_list = tmp_list->next)
5240 if (GTK_TREE_VIEW_COLUMN (tmp_list->data) == column)
5241 break;
5242
5243 if (!tmp_list || !tmp_list->prev)
5244 return (GtkTreeViewColumn *)0x1;
5245
5246 tmp_list = tmp_list->prev;
5247 cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
5248 tmp_list = tmp_list->prev;
5249
5250 while (tmp_list)
5251 {
5252 g_assert (tmp_list);
5253
5254 left_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
5255
5256 if (left_column && !left_column->visible)
5257 {
5258 /*if (!tmp_list->prev)
5259 return (GtkTreeViewColumn *)0x1;
5260 */
5261 /*
5262 cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->prev->data);
5263 tmp_list = tmp_list->prev->prev;
5264 continue;*/
5265
5266 cur_column = left_column;
5267 if (tmp_list)
5268 tmp_list = tmp_list->prev;
5269 continue;
5270 }
5271
5272 if (!tree_view->priv->column_drop_func)
5273 return left_column;
5274
5275 if (tree_view->priv->column_drop_func (tree_view, column, left_column, cur_column, tree_view->priv->column_drop_func_data))
5276 return left_column;
5277
5278 cur_column = left_column;
5279 tmp_list = tmp_list->prev;
5280 }
5281
5282 if (!tree_view->priv->column_drop_func)
5283 return NULL;
5284
5285 if (tree_view->priv->column_drop_func (tree_view, column, NULL, cur_column, tree_view->priv->column_drop_func_data))
5286 return NULL;
5287 else
5288 return (GtkTreeViewColumn *)0x1;
5289 break;
5290
5291 case DROP_END:
5292 /* same as DROP_HOME case, but doing it backwards */
5293 tmp_list = g_list_last (tree_view->priv->columns);
5294 cur_column = NULL;
5295
5296 if (column == GTK_TREE_VIEW_COLUMN (tmp_list->data))
5297 return (GtkTreeViewColumn *)0x1;
5298
5299 while (tmp_list)
5300 {
5301 g_assert (tmp_list);
5302
5303 left_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
5304
5305 if (left_column && !left_column->visible)
5306 {
5307 cur_column = left_column;
5308 tmp_list = tmp_list->prev;
5309 }
5310
5311 if (!tree_view->priv->column_drop_func)
5312 return left_column;
5313
5314 if (tree_view->priv->column_drop_func (tree_view, column, left_column, cur_column, tree_view->priv->column_drop_func_data))
5315 return left_column;
5316
5317 cur_column = left_column;
5318 tmp_list = tmp_list->prev;
5319 }
5320
5321 if (!tree_view->priv->column_drop_func)
5322 return NULL;
5323
5324 if (tree_view->priv->column_drop_func (tree_view, column, NULL, cur_column, tree_view->priv->column_drop_func_data))
5325 return NULL;
5326 else
5327 return (GtkTreeViewColumn *)0x1;
5328 break;
5329 }
5330
5331 return (GtkTreeViewColumn *)0x1;
5332 }
5333
5334 static gboolean
gtk_tree_view_key_press(GtkWidget * widget,GdkEventKey * event)5335 gtk_tree_view_key_press (GtkWidget *widget,
5336 GdkEventKey *event)
5337 {
5338 GtkTreeView *tree_view = (GtkTreeView *) widget;
5339
5340 if (tree_view->priv->rubber_band_status)
5341 {
5342 if (event->keyval == GDK_Escape)
5343 gtk_tree_view_stop_rubber_band (tree_view);
5344
5345 return TRUE;
5346 }
5347
5348 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG))
5349 {
5350 if (event->keyval == GDK_Escape)
5351 {
5352 tree_view->priv->cur_reorder = NULL;
5353 gtk_tree_view_button_release_drag_column (widget, NULL);
5354 }
5355 return TRUE;
5356 }
5357
5358 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE))
5359 {
5360 GList *focus_column;
5361 gboolean rtl;
5362
5363 rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
5364
5365 for (focus_column = tree_view->priv->columns;
5366 focus_column;
5367 focus_column = focus_column->next)
5368 {
5369 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (focus_column->data);
5370
5371 if (gtk_widget_has_focus (column->button))
5372 break;
5373 }
5374
5375 if (focus_column &&
5376 (event->state & GDK_SHIFT_MASK) && (event->state & GDK_MOD1_MASK) &&
5377 (event->keyval == GDK_Left || event->keyval == GDK_KP_Left
5378 || event->keyval == GDK_Right || event->keyval == GDK_KP_Right))
5379 {
5380 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (focus_column->data);
5381
5382 if (!column->resizable)
5383 {
5384 gtk_widget_error_bell (widget);
5385 return TRUE;
5386 }
5387
5388 if (event->keyval == (rtl ? GDK_Right : GDK_Left)
5389 || event->keyval == (rtl ? GDK_KP_Right : GDK_KP_Left))
5390 {
5391 gint old_width = column->resized_width;
5392
5393 column->resized_width = MAX (column->resized_width,
5394 column->width);
5395 column->resized_width -= 2;
5396 if (column->resized_width < 0)
5397 column->resized_width = 0;
5398
5399 if (column->min_width == -1)
5400 column->resized_width = MAX (column->button->requisition.width,
5401 column->resized_width);
5402 else
5403 column->resized_width = MAX (column->min_width,
5404 column->resized_width);
5405
5406 if (column->max_width != -1)
5407 column->resized_width = MIN (column->resized_width,
5408 column->max_width);
5409
5410 column->use_resized_width = TRUE;
5411
5412 if (column->resized_width != old_width)
5413 gtk_widget_queue_resize (widget);
5414 else
5415 gtk_widget_error_bell (widget);
5416 }
5417 else if (event->keyval == (rtl ? GDK_Left : GDK_Right)
5418 || event->keyval == (rtl ? GDK_KP_Left : GDK_KP_Right))
5419 {
5420 gint old_width = column->resized_width;
5421
5422 column->resized_width = MAX (column->resized_width,
5423 column->width);
5424 column->resized_width += 2;
5425
5426 if (column->max_width != -1)
5427 column->resized_width = MIN (column->resized_width,
5428 column->max_width);
5429
5430 column->use_resized_width = TRUE;
5431
5432 if (column->resized_width != old_width)
5433 gtk_widget_queue_resize (widget);
5434 else
5435 gtk_widget_error_bell (widget);
5436 }
5437
5438 return TRUE;
5439 }
5440
5441 if (focus_column &&
5442 (event->state & GDK_MOD1_MASK) &&
5443 (event->keyval == GDK_Left || event->keyval == GDK_KP_Left
5444 || event->keyval == GDK_Right || event->keyval == GDK_KP_Right
5445 || event->keyval == GDK_Home || event->keyval == GDK_KP_Home
5446 || event->keyval == GDK_End || event->keyval == GDK_KP_End))
5447 {
5448 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (focus_column->data);
5449
5450 if (event->keyval == (rtl ? GDK_Right : GDK_Left)
5451 || event->keyval == (rtl ? GDK_KP_Right : GDK_KP_Left))
5452 {
5453 GtkTreeViewColumn *col;
5454 col = gtk_tree_view_get_drop_column (tree_view, column, DROP_LEFT);
5455 if (col != (GtkTreeViewColumn *)0x1)
5456 gtk_tree_view_move_column_after (tree_view, column, col);
5457 else
5458 gtk_widget_error_bell (widget);
5459 }
5460 else if (event->keyval == (rtl ? GDK_Left : GDK_Right)
5461 || event->keyval == (rtl ? GDK_KP_Left : GDK_KP_Right))
5462 {
5463 GtkTreeViewColumn *col;
5464 col = gtk_tree_view_get_drop_column (tree_view, column, DROP_RIGHT);
5465 if (col != (GtkTreeViewColumn *)0x1)
5466 gtk_tree_view_move_column_after (tree_view, column, col);
5467 else
5468 gtk_widget_error_bell (widget);
5469 }
5470 else if (event->keyval == GDK_Home || event->keyval == GDK_KP_Home)
5471 {
5472 GtkTreeViewColumn *col;
5473 col = gtk_tree_view_get_drop_column (tree_view, column, DROP_HOME);
5474 if (col != (GtkTreeViewColumn *)0x1)
5475 gtk_tree_view_move_column_after (tree_view, column, col);
5476 else
5477 gtk_widget_error_bell (widget);
5478 }
5479 else if (event->keyval == GDK_End || event->keyval == GDK_KP_End)
5480 {
5481 GtkTreeViewColumn *col;
5482 col = gtk_tree_view_get_drop_column (tree_view, column, DROP_END);
5483 if (col != (GtkTreeViewColumn *)0x1)
5484 gtk_tree_view_move_column_after (tree_view, column, col);
5485 else
5486 gtk_widget_error_bell (widget);
5487 }
5488
5489 return TRUE;
5490 }
5491 }
5492
5493 /* Chain up to the parent class. It handles the keybindings. */
5494 if (GTK_WIDGET_CLASS (gtk_tree_view_parent_class)->key_press_event (widget, event))
5495 return TRUE;
5496
5497 if (tree_view->priv->search_entry_avoid_unhandled_binding)
5498 {
5499 tree_view->priv->search_entry_avoid_unhandled_binding = FALSE;
5500 return FALSE;
5501 }
5502
5503 /* We pass the event to the search_entry. If its text changes, then we start
5504 * the typeahead find capabilities. */
5505 if (gtk_widget_has_focus (GTK_WIDGET (tree_view))
5506 && tree_view->priv->enable_search
5507 && !tree_view->priv->search_custom_entry_set)
5508 {
5509 GdkEvent *new_event;
5510 char *old_text;
5511 const char *new_text;
5512 gboolean retval;
5513 GdkScreen *screen;
5514 gboolean text_modified;
5515 gulong popup_menu_id;
5516
5517 gtk_tree_view_ensure_interactive_directory (tree_view);
5518
5519 /* Make a copy of the current text */
5520 old_text = g_strdup (gtk_entry_get_text (GTK_ENTRY (tree_view->priv->search_entry)));
5521 new_event = gdk_event_copy ((GdkEvent *) event);
5522 g_object_unref (((GdkEventKey *) new_event)->window);
5523 ((GdkEventKey *) new_event)->window = g_object_ref (tree_view->priv->search_window->window);
5524 gtk_widget_realize (tree_view->priv->search_window);
5525
5526 popup_menu_id = g_signal_connect (tree_view->priv->search_entry,
5527 "popup-menu", G_CALLBACK (gtk_true),
5528 NULL);
5529
5530 /* Move the entry off screen */
5531 screen = gtk_widget_get_screen (GTK_WIDGET (tree_view));
5532 gtk_window_move (GTK_WINDOW (tree_view->priv->search_window),
5533 gdk_screen_get_width (screen) + 1,
5534 gdk_screen_get_height (screen) + 1);
5535 gtk_widget_show (tree_view->priv->search_window);
5536
5537 /* Send the event to the window. If the preedit_changed signal is emitted
5538 * during this event, we will set priv->imcontext_changed */
5539 tree_view->priv->imcontext_changed = FALSE;
5540 retval = gtk_widget_event (tree_view->priv->search_window, new_event);
5541 gdk_event_free (new_event);
5542 gtk_widget_hide (tree_view->priv->search_window);
5543
5544 g_signal_handler_disconnect (tree_view->priv->search_entry,
5545 popup_menu_id);
5546
5547 /* We check to make sure that the entry tried to handle the text, and that
5548 * the text has changed.
5549 */
5550 new_text = gtk_entry_get_text (GTK_ENTRY (tree_view->priv->search_entry));
5551 text_modified = strcmp (old_text, new_text) != 0;
5552 g_free (old_text);
5553 if (tree_view->priv->imcontext_changed || /* we're in a preedit */
5554 (retval && text_modified)) /* ...or the text was modified */
5555 {
5556 if (gtk_tree_view_real_start_interactive_search (tree_view, FALSE))
5557 {
5558 gtk_widget_grab_focus (GTK_WIDGET (tree_view));
5559 return TRUE;
5560 }
5561 else
5562 {
5563 gtk_entry_set_text (GTK_ENTRY (tree_view->priv->search_entry), "");
5564 return FALSE;
5565 }
5566 }
5567 }
5568
5569 return FALSE;
5570 }
5571
5572 static gboolean
gtk_tree_view_key_release(GtkWidget * widget,GdkEventKey * event)5573 gtk_tree_view_key_release (GtkWidget *widget,
5574 GdkEventKey *event)
5575 {
5576 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
5577
5578 if (tree_view->priv->rubber_band_status)
5579 return TRUE;
5580
5581 return GTK_WIDGET_CLASS (gtk_tree_view_parent_class)->key_release_event (widget, event);
5582 }
5583
5584 /* FIXME Is this function necessary? Can I get an enter_notify event
5585 * w/o either an expose event or a mouse motion event?
5586 */
5587 static gboolean
gtk_tree_view_enter_notify(GtkWidget * widget,GdkEventCrossing * event)5588 gtk_tree_view_enter_notify (GtkWidget *widget,
5589 GdkEventCrossing *event)
5590 {
5591 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
5592 GtkRBTree *tree;
5593 GtkRBNode *node;
5594 gint new_y;
5595
5596 /* Sanity check it */
5597 if (event->window != tree_view->priv->bin_window)
5598 return FALSE;
5599
5600 if (tree_view->priv->tree == NULL)
5601 return FALSE;
5602
5603 if (event->mode == GDK_CROSSING_GRAB ||
5604 event->mode == GDK_CROSSING_GTK_GRAB ||
5605 event->mode == GDK_CROSSING_GTK_UNGRAB ||
5606 event->mode == GDK_CROSSING_STATE_CHANGED)
5607 return TRUE;
5608
5609 /* find the node internally */
5610 new_y = TREE_WINDOW_Y_TO_RBTREE_Y(tree_view, event->y);
5611 if (new_y < 0)
5612 new_y = 0;
5613 _gtk_rbtree_find_offset (tree_view->priv->tree, new_y, &tree, &node);
5614
5615 tree_view->priv->event_last_x = event->x;
5616 tree_view->priv->event_last_y = event->y;
5617
5618 if ((tree_view->priv->button_pressed_node == NULL) ||
5619 (tree_view->priv->button_pressed_node == node))
5620 prelight_or_select (tree_view, tree, node, event->x, event->y);
5621
5622 return TRUE;
5623 }
5624
5625 static gboolean
gtk_tree_view_leave_notify(GtkWidget * widget,GdkEventCrossing * event)5626 gtk_tree_view_leave_notify (GtkWidget *widget,
5627 GdkEventCrossing *event)
5628 {
5629 GtkTreeView *tree_view;
5630
5631 if (event->mode == GDK_CROSSING_GRAB)
5632 return TRUE;
5633
5634 tree_view = GTK_TREE_VIEW (widget);
5635
5636 if (tree_view->priv->prelight_node)
5637 _gtk_tree_view_queue_draw_node (tree_view,
5638 tree_view->priv->prelight_tree,
5639 tree_view->priv->prelight_node,
5640 NULL);
5641
5642 tree_view->priv->event_last_x = -10000;
5643 tree_view->priv->event_last_y = -10000;
5644
5645 prelight_or_select (tree_view,
5646 NULL, NULL,
5647 -1000, -1000); /* coords not possibly over an arrow */
5648
5649 return TRUE;
5650 }
5651
5652
5653 static gint
gtk_tree_view_focus_out(GtkWidget * widget,GdkEventFocus * event)5654 gtk_tree_view_focus_out (GtkWidget *widget,
5655 GdkEventFocus *event)
5656 {
5657 GtkTreeView *tree_view;
5658
5659 tree_view = GTK_TREE_VIEW (widget);
5660
5661 gtk_widget_queue_draw (widget);
5662
5663 /* destroy interactive search dialog */
5664 if (tree_view->priv->search_window)
5665 gtk_tree_view_search_dialog_hide (tree_view->priv->search_window, tree_view);
5666
5667 return FALSE;
5668 }
5669
5670
5671 /* Incremental Reflow
5672 */
5673
5674 static void
gtk_tree_view_node_queue_redraw(GtkTreeView * tree_view,GtkRBTree * tree,GtkRBNode * node)5675 gtk_tree_view_node_queue_redraw (GtkTreeView *tree_view,
5676 GtkRBTree *tree,
5677 GtkRBNode *node)
5678 {
5679 gint y;
5680
5681 y = _gtk_rbtree_node_find_offset (tree, node)
5682 - tree_view->priv->vadjustment->value
5683 + TREE_VIEW_HEADER_HEIGHT (tree_view);
5684
5685 gtk_widget_queue_draw_area (GTK_WIDGET (tree_view),
5686 0, y,
5687 GTK_WIDGET (tree_view)->allocation.width,
5688 GTK_RBNODE_GET_HEIGHT (node));
5689 }
5690
5691 static gboolean
node_is_visible(GtkTreeView * tree_view,GtkRBTree * tree,GtkRBNode * node)5692 node_is_visible (GtkTreeView *tree_view,
5693 GtkRBTree *tree,
5694 GtkRBNode *node)
5695 {
5696 int y;
5697 int height;
5698
5699 y = _gtk_rbtree_node_find_offset (tree, node);
5700 height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
5701
5702 if (y >= tree_view->priv->vadjustment->value &&
5703 y + height <= (tree_view->priv->vadjustment->value
5704 + tree_view->priv->vadjustment->page_size))
5705 return TRUE;
5706
5707 return FALSE;
5708 }
5709
5710 /* Returns TRUE if it updated the size
5711 */
5712 static gboolean
validate_row(GtkTreeView * tree_view,GtkRBTree * tree,GtkRBNode * node,GtkTreeIter * iter,GtkTreePath * path)5713 validate_row (GtkTreeView *tree_view,
5714 GtkRBTree *tree,
5715 GtkRBNode *node,
5716 GtkTreeIter *iter,
5717 GtkTreePath *path)
5718 {
5719 GtkTreeViewColumn *column;
5720 GList *list, *first_column, *last_column;
5721 gint height = 0;
5722 gint horizontal_separator;
5723 gint vertical_separator;
5724 gint focus_line_width;
5725 gint depth = gtk_tree_path_get_depth (path);
5726 gboolean retval = FALSE;
5727 gboolean is_separator = FALSE;
5728 gboolean draw_vgrid_lines, draw_hgrid_lines;
5729 gint focus_pad;
5730 gint grid_line_width;
5731 gboolean wide_separators;
5732 gint separator_height;
5733
5734 /* double check the row needs validating */
5735 if (! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) &&
5736 ! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID))
5737 return FALSE;
5738
5739 is_separator = row_is_separator (tree_view, iter, NULL);
5740
5741 gtk_widget_style_get (GTK_WIDGET (tree_view),
5742 "focus-padding", &focus_pad,
5743 "focus-line-width", &focus_line_width,
5744 "horizontal-separator", &horizontal_separator,
5745 "vertical-separator", &vertical_separator,
5746 "grid-line-width", &grid_line_width,
5747 "wide-separators", &wide_separators,
5748 "separator-height", &separator_height,
5749 NULL);
5750
5751 draw_vgrid_lines =
5752 tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_VERTICAL
5753 || tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_BOTH;
5754 draw_hgrid_lines =
5755 tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_HORIZONTAL
5756 || tree_view->priv->grid_lines == GTK_TREE_VIEW_GRID_LINES_BOTH;
5757
5758 for (last_column = g_list_last (tree_view->priv->columns);
5759 last_column && !(GTK_TREE_VIEW_COLUMN (last_column->data)->visible);
5760 last_column = last_column->prev)
5761 ;
5762
5763 for (first_column = g_list_first (tree_view->priv->columns);
5764 first_column && !(GTK_TREE_VIEW_COLUMN (first_column->data)->visible);
5765 first_column = first_column->next)
5766 ;
5767
5768 for (list = tree_view->priv->columns; list; list = list->next)
5769 {
5770 gint tmp_width;
5771 gint tmp_height;
5772
5773 column = list->data;
5774
5775 if (! column->visible)
5776 continue;
5777
5778 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID) && !column->dirty)
5779 continue;
5780
5781 gtk_tree_view_column_cell_set_cell_data (column, tree_view->priv->model, iter,
5782 GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT),
5783 node->children?TRUE:FALSE);
5784 gtk_tree_view_column_cell_get_size (column,
5785 NULL, NULL, NULL,
5786 &tmp_width, &tmp_height);
5787
5788 if (!is_separator)
5789 {
5790 tmp_height += vertical_separator;
5791 height = MAX (height, tmp_height);
5792 height = MAX (height, tree_view->priv->expander_size);
5793 }
5794 else
5795 {
5796 if (wide_separators)
5797 height = separator_height + 2 * focus_pad;
5798 else
5799 height = 2 + 2 * focus_pad;
5800 }
5801
5802 if (gtk_tree_view_is_expander_column (tree_view, column))
5803 {
5804 tmp_width = tmp_width + horizontal_separator + (depth - 1) * tree_view->priv->level_indentation;
5805
5806 if (TREE_VIEW_DRAW_EXPANDERS (tree_view))
5807 tmp_width += depth * tree_view->priv->expander_size;
5808 }
5809 else
5810 tmp_width = tmp_width + horizontal_separator;
5811
5812 if (draw_vgrid_lines)
5813 {
5814 if (list->data == first_column || list->data == last_column)
5815 tmp_width += grid_line_width / 2.0;
5816 else
5817 tmp_width += grid_line_width;
5818 }
5819
5820 if (tmp_width > column->requested_width)
5821 {
5822 retval = TRUE;
5823 column->requested_width = tmp_width;
5824 }
5825 }
5826
5827 if (draw_hgrid_lines)
5828 height += grid_line_width;
5829
5830 if (height != GTK_RBNODE_GET_HEIGHT (node))
5831 {
5832 retval = TRUE;
5833 _gtk_rbtree_node_set_height (tree, node, height);
5834 }
5835 _gtk_rbtree_node_mark_valid (tree, node);
5836 tree_view->priv->post_validation_flag = TRUE;
5837
5838 return retval;
5839 }
5840
5841
5842 static void
validate_visible_area(GtkTreeView * tree_view)5843 validate_visible_area (GtkTreeView *tree_view)
5844 {
5845 GtkTreePath *path = NULL;
5846 GtkTreePath *above_path = NULL;
5847 GtkTreeIter iter;
5848 GtkRBTree *tree = NULL;
5849 GtkRBNode *node = NULL;
5850 gboolean need_redraw = FALSE;
5851 gboolean size_changed = FALSE;
5852 gint total_height;
5853 gint area_above = 0;
5854 gint area_below = 0;
5855
5856 if (tree_view->priv->tree == NULL)
5857 return;
5858
5859 if (! GTK_RBNODE_FLAG_SET (tree_view->priv->tree->root, GTK_RBNODE_DESCENDANTS_INVALID) &&
5860 tree_view->priv->scroll_to_path == NULL)
5861 return;
5862
5863 total_height = GTK_WIDGET (tree_view)->allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view);
5864
5865 if (total_height == 0)
5866 return;
5867
5868 /* First, we check to see if we need to scroll anywhere
5869 */
5870 if (tree_view->priv->scroll_to_path)
5871 {
5872 path = gtk_tree_row_reference_get_path (tree_view->priv->scroll_to_path);
5873 if (path && !_gtk_tree_view_find_node (tree_view, path, &tree, &node))
5874 {
5875 /* we are going to scroll, and will update dy */
5876 gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
5877 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) ||
5878 GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID))
5879 {
5880 _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL);
5881 if (validate_row (tree_view, tree, node, &iter, path))
5882 size_changed = TRUE;
5883 }
5884
5885 if (tree_view->priv->scroll_to_use_align)
5886 {
5887 gint height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
5888 area_above = (total_height - height) *
5889 tree_view->priv->scroll_to_row_align;
5890 area_below = total_height - area_above - height;
5891 area_above = MAX (area_above, 0);
5892 area_below = MAX (area_below, 0);
5893 }
5894 else
5895 {
5896 /* two cases:
5897 * 1) row not visible
5898 * 2) row visible
5899 */
5900 gint dy;
5901 gint height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
5902
5903 dy = _gtk_rbtree_node_find_offset (tree, node);
5904
5905 if (dy >= tree_view->priv->vadjustment->value &&
5906 dy + height <= (tree_view->priv->vadjustment->value
5907 + tree_view->priv->vadjustment->page_size))
5908 {
5909 /* row visible: keep the row at the same position */
5910 area_above = dy - tree_view->priv->vadjustment->value;
5911 area_below = (tree_view->priv->vadjustment->value +
5912 tree_view->priv->vadjustment->page_size)
5913 - dy - height;
5914 }
5915 else
5916 {
5917 /* row not visible */
5918 if (dy >= 0
5919 && dy + height <= tree_view->priv->vadjustment->page_size)
5920 {
5921 /* row at the beginning -- fixed */
5922 area_above = dy;
5923 area_below = tree_view->priv->vadjustment->page_size
5924 - area_above - height;
5925 }
5926 else if (dy >= (tree_view->priv->vadjustment->upper -
5927 tree_view->priv->vadjustment->page_size))
5928 {
5929 /* row at the end -- fixed */
5930 area_above = dy - (tree_view->priv->vadjustment->upper -
5931 tree_view->priv->vadjustment->page_size);
5932 area_below = tree_view->priv->vadjustment->page_size -
5933 area_above - height;
5934
5935 if (area_below < 0)
5936 {
5937 area_above = tree_view->priv->vadjustment->page_size - height;
5938 area_below = 0;
5939 }
5940 }
5941 else
5942 {
5943 /* row somewhere in the middle, bring it to the top
5944 * of the view
5945 */
5946 area_above = 0;
5947 area_below = total_height - height;
5948 }
5949 }
5950 }
5951 }
5952 else
5953 /* the scroll to isn't valid; ignore it.
5954 */
5955 {
5956 if (tree_view->priv->scroll_to_path && !path)
5957 {
5958 gtk_tree_row_reference_free (tree_view->priv->scroll_to_path);
5959 tree_view->priv->scroll_to_path = NULL;
5960 }
5961 if (path)
5962 gtk_tree_path_free (path);
5963 path = NULL;
5964 }
5965 }
5966
5967 /* We didn't have a scroll_to set, so we just handle things normally
5968 */
5969 if (path == NULL)
5970 {
5971 gint offset;
5972
5973 offset = _gtk_rbtree_find_offset (tree_view->priv->tree,
5974 TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, 0),
5975 &tree, &node);
5976 if (node == NULL)
5977 {
5978 /* In this case, nothing has been validated */
5979 path = gtk_tree_path_new_first ();
5980 _gtk_tree_view_find_node (tree_view, path, &tree, &node);
5981 }
5982 else
5983 {
5984 path = _gtk_tree_view_find_path (tree_view, tree, node);
5985 total_height += offset;
5986 }
5987
5988 gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
5989
5990 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) ||
5991 GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID))
5992 {
5993 _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL);
5994 if (validate_row (tree_view, tree, node, &iter, path))
5995 size_changed = TRUE;
5996 }
5997 area_above = 0;
5998 area_below = total_height - ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
5999 }
6000
6001 above_path = gtk_tree_path_copy (path);
6002
6003 /* if we do not validate any row above the new top_row, we will make sure
6004 * that the row immediately above top_row has been validated. (if we do not
6005 * do this, _gtk_rbtree_find_offset will find the row above top_row, because
6006 * when invalidated that row's height will be zero. and this will mess up
6007 * scrolling).
6008 */
6009 if (area_above == 0)
6010 {
6011 GtkRBTree *tmptree;
6012 GtkRBNode *tmpnode;
6013
6014 _gtk_tree_view_find_node (tree_view, above_path, &tmptree, &tmpnode);
6015 _gtk_rbtree_prev_full (tmptree, tmpnode, &tmptree, &tmpnode);
6016
6017 if (tmpnode)
6018 {
6019 GtkTreePath *tmppath;
6020 GtkTreeIter tmpiter;
6021
6022 tmppath = _gtk_tree_view_find_path (tree_view, tmptree, tmpnode);
6023 gtk_tree_model_get_iter (tree_view->priv->model, &tmpiter, tmppath);
6024
6025 if (GTK_RBNODE_FLAG_SET (tmpnode, GTK_RBNODE_INVALID) ||
6026 GTK_RBNODE_FLAG_SET (tmpnode, GTK_RBNODE_COLUMN_INVALID))
6027 {
6028 _gtk_tree_view_queue_draw_node (tree_view, tmptree, tmpnode, NULL);
6029 if (validate_row (tree_view, tmptree, tmpnode, &tmpiter, tmppath))
6030 size_changed = TRUE;
6031 }
6032
6033 gtk_tree_path_free (tmppath);
6034 }
6035 }
6036
6037 /* Now, we walk forwards and backwards, measuring rows. Unfortunately,
6038 * backwards is much slower then forward, as there is no iter_prev function.
6039 * We go forwards first in case we run out of tree. Then we go backwards to
6040 * fill out the top.
6041 */
6042 while (node && area_below > 0)
6043 {
6044 if (node->children)
6045 {
6046 GtkTreeIter parent = iter;
6047 gboolean has_child;
6048
6049 tree = node->children;
6050 node = tree->root;
6051
6052 g_assert (node != tree->nil);
6053
6054 while (node->left != tree->nil)
6055 node = node->left;
6056 has_child = gtk_tree_model_iter_children (tree_view->priv->model,
6057 &iter,
6058 &parent);
6059 TREE_VIEW_INTERNAL_ASSERT_VOID (has_child);
6060 gtk_tree_path_down (path);
6061 }
6062 else
6063 {
6064 gboolean done = FALSE;
6065 do
6066 {
6067 node = _gtk_rbtree_next (tree, node);
6068 if (node != NULL)
6069 {
6070 gboolean has_next = gtk_tree_model_iter_next (tree_view->priv->model, &iter);
6071 done = TRUE;
6072 gtk_tree_path_next (path);
6073
6074 /* Sanity Check! */
6075 TREE_VIEW_INTERNAL_ASSERT_VOID (has_next);
6076 }
6077 else
6078 {
6079 GtkTreeIter parent_iter = iter;
6080 gboolean has_parent;
6081
6082 node = tree->parent_node;
6083 tree = tree->parent_tree;
6084 if (tree == NULL)
6085 break;
6086 has_parent = gtk_tree_model_iter_parent (tree_view->priv->model,
6087 &iter,
6088 &parent_iter);
6089 gtk_tree_path_up (path);
6090
6091 /* Sanity check */
6092 TREE_VIEW_INTERNAL_ASSERT_VOID (has_parent);
6093 }
6094 }
6095 while (!done);
6096 }
6097
6098 if (!node)
6099 break;
6100
6101 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) ||
6102 GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID))
6103 {
6104 _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL);
6105 if (validate_row (tree_view, tree, node, &iter, path))
6106 size_changed = TRUE;
6107 }
6108
6109 area_below -= ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
6110 }
6111 gtk_tree_path_free (path);
6112
6113 /* If we ran out of tree, and have extra area_below left, we need to add it
6114 * to area_above */
6115 if (area_below > 0)
6116 area_above += area_below;
6117
6118 _gtk_tree_view_find_node (tree_view, above_path, &tree, &node);
6119
6120 /* We walk backwards */
6121 while (area_above > 0)
6122 {
6123 _gtk_rbtree_prev_full (tree, node, &tree, &node);
6124
6125 /* Always find the new path in the tree. We cannot just assume
6126 * a gtk_tree_path_prev() is enough here, as there might be children
6127 * in between this node and the previous sibling node. If this
6128 * appears to be a performance hotspot in profiles, we can look into
6129 * intrigate logic for keeping path, node and iter in sync like
6130 * we do for forward walks. (Which will be hard because of the lacking
6131 * iter_prev).
6132 */
6133
6134 if (node == NULL)
6135 break;
6136
6137 gtk_tree_path_free (above_path);
6138 above_path = _gtk_tree_view_find_path (tree_view, tree, node);
6139
6140 gtk_tree_model_get_iter (tree_view->priv->model, &iter, above_path);
6141
6142 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) ||
6143 GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID))
6144 {
6145 _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL);
6146 if (validate_row (tree_view, tree, node, &iter, above_path))
6147 size_changed = TRUE;
6148 }
6149 area_above -= ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
6150 }
6151
6152 /* if we scrolled to a path, we need to set the dy here,
6153 * and sync the top row accordingly
6154 */
6155 if (tree_view->priv->scroll_to_path)
6156 {
6157 gtk_tree_view_set_top_row (tree_view, above_path, -area_above);
6158 gtk_tree_view_top_row_to_dy (tree_view);
6159
6160 need_redraw = TRUE;
6161 }
6162 else if (tree_view->priv->height <= tree_view->priv->vadjustment->page_size)
6163 {
6164 /* when we are not scrolling, we should never set dy to something
6165 * else than zero. we update top_row to be in sync with dy = 0.
6166 */
6167 gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment), 0);
6168 gtk_tree_view_dy_to_top_row (tree_view);
6169 }
6170 else if (tree_view->priv->vadjustment->value + tree_view->priv->vadjustment->page_size > tree_view->priv->height)
6171 {
6172 gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment), tree_view->priv->height - tree_view->priv->vadjustment->page_size);
6173 gtk_tree_view_dy_to_top_row (tree_view);
6174 }
6175 else
6176 gtk_tree_view_top_row_to_dy (tree_view);
6177
6178 /* update width/height and queue a resize */
6179 if (size_changed)
6180 {
6181 GtkRequisition requisition;
6182
6183 /* We temporarily guess a size, under the assumption that it will be the
6184 * same when we get our next size_allocate. If we don't do this, we'll be
6185 * in an inconsistent state if we call top_row_to_dy. */
6186
6187 gtk_widget_size_request (GTK_WIDGET (tree_view), &requisition);
6188 tree_view->priv->hadjustment->upper = MAX (tree_view->priv->hadjustment->upper, (gfloat)requisition.width);
6189 tree_view->priv->vadjustment->upper = MAX (tree_view->priv->vadjustment->upper, (gfloat)requisition.height);
6190 gtk_adjustment_changed (tree_view->priv->hadjustment);
6191 gtk_adjustment_changed (tree_view->priv->vadjustment);
6192 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
6193 }
6194
6195 if (tree_view->priv->scroll_to_path)
6196 {
6197 gtk_tree_row_reference_free (tree_view->priv->scroll_to_path);
6198 tree_view->priv->scroll_to_path = NULL;
6199 }
6200
6201 if (above_path)
6202 gtk_tree_path_free (above_path);
6203
6204 if (tree_view->priv->scroll_to_column)
6205 {
6206 tree_view->priv->scroll_to_column = NULL;
6207 }
6208 if (need_redraw)
6209 gtk_widget_queue_draw (GTK_WIDGET (tree_view));
6210 }
6211
6212 static void
initialize_fixed_height_mode(GtkTreeView * tree_view)6213 initialize_fixed_height_mode (GtkTreeView *tree_view)
6214 {
6215 if (!tree_view->priv->tree)
6216 return;
6217
6218 if (tree_view->priv->fixed_height < 0)
6219 {
6220 GtkTreeIter iter;
6221 GtkTreePath *path;
6222
6223 GtkRBTree *tree = NULL;
6224 GtkRBNode *node = NULL;
6225
6226 tree = tree_view->priv->tree;
6227 node = tree->root;
6228
6229 path = _gtk_tree_view_find_path (tree_view, tree, node);
6230 gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
6231
6232 validate_row (tree_view, tree, node, &iter, path);
6233
6234 gtk_tree_path_free (path);
6235
6236 tree_view->priv->fixed_height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
6237 }
6238
6239 _gtk_rbtree_set_fixed_height (tree_view->priv->tree,
6240 tree_view->priv->fixed_height, TRUE);
6241 }
6242
6243 /* Our strategy for finding nodes to validate is a little convoluted. We find
6244 * the left-most uninvalidated node. We then try walking right, validating
6245 * nodes. Once we find a valid node, we repeat the previous process of finding
6246 * the first invalid node.
6247 */
6248
6249 static gboolean
do_validate_rows(GtkTreeView * tree_view,gboolean queue_resize)6250 do_validate_rows (GtkTreeView *tree_view, gboolean queue_resize)
6251 {
6252 GtkRBTree *tree = NULL;
6253 GtkRBNode *node = NULL;
6254 gboolean validated_area = FALSE;
6255 gint retval = TRUE;
6256 GtkTreePath *path = NULL;
6257 GtkTreeIter iter;
6258 GTimer *timer;
6259 gint i = 0;
6260
6261 gint prev_height = -1;
6262 gboolean fixed_height = TRUE;
6263
6264 g_assert (tree_view);
6265
6266 if (tree_view->priv->tree == NULL)
6267 return FALSE;
6268
6269 if (tree_view->priv->fixed_height_mode)
6270 {
6271 if (tree_view->priv->fixed_height < 0)
6272 initialize_fixed_height_mode (tree_view);
6273
6274 return FALSE;
6275 }
6276
6277 timer = g_timer_new ();
6278 g_timer_start (timer);
6279
6280 do
6281 {
6282 if (! GTK_RBNODE_FLAG_SET (tree_view->priv->tree->root, GTK_RBNODE_DESCENDANTS_INVALID))
6283 {
6284 retval = FALSE;
6285 goto done;
6286 }
6287
6288 if (path != NULL)
6289 {
6290 node = _gtk_rbtree_next (tree, node);
6291 if (node != NULL)
6292 {
6293 TREE_VIEW_INTERNAL_ASSERT (gtk_tree_model_iter_next (tree_view->priv->model, &iter), FALSE);
6294 gtk_tree_path_next (path);
6295 }
6296 else
6297 {
6298 gtk_tree_path_free (path);
6299 path = NULL;
6300 }
6301 }
6302
6303 if (path == NULL)
6304 {
6305 tree = tree_view->priv->tree;
6306 node = tree_view->priv->tree->root;
6307
6308 g_assert (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_DESCENDANTS_INVALID));
6309
6310 do
6311 {
6312 if (node->left != tree->nil &&
6313 GTK_RBNODE_FLAG_SET (node->left, GTK_RBNODE_DESCENDANTS_INVALID))
6314 {
6315 node = node->left;
6316 }
6317 else if (node->right != tree->nil &&
6318 GTK_RBNODE_FLAG_SET (node->right, GTK_RBNODE_DESCENDANTS_INVALID))
6319 {
6320 node = node->right;
6321 }
6322 else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) ||
6323 GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID))
6324 {
6325 break;
6326 }
6327 else if (node->children != NULL)
6328 {
6329 tree = node->children;
6330 node = tree->root;
6331 }
6332 else
6333 /* RBTree corruption! All bad */
6334 g_assert_not_reached ();
6335 }
6336 while (TRUE);
6337 path = _gtk_tree_view_find_path (tree_view, tree, node);
6338 gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
6339 }
6340
6341 validated_area = validate_row (tree_view, tree, node, &iter, path) ||
6342 validated_area;
6343
6344 if (!tree_view->priv->fixed_height_check)
6345 {
6346 gint height;
6347
6348 height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
6349 if (prev_height < 0)
6350 prev_height = height;
6351 else if (prev_height != height)
6352 fixed_height = FALSE;
6353 }
6354
6355 i++;
6356 }
6357 while (g_timer_elapsed (timer, NULL) < GTK_TREE_VIEW_TIME_MS_PER_IDLE / 1000.);
6358
6359 if (!tree_view->priv->fixed_height_check)
6360 {
6361 if (fixed_height)
6362 _gtk_rbtree_set_fixed_height (tree_view->priv->tree, prev_height, FALSE);
6363
6364 tree_view->priv->fixed_height_check = 1;
6365 }
6366
6367 done:
6368 if (validated_area)
6369 {
6370 GtkRequisition requisition;
6371 /* We temporarily guess a size, under the assumption that it will be the
6372 * same when we get our next size_allocate. If we don't do this, we'll be
6373 * in an inconsistent state when we call top_row_to_dy. */
6374
6375 gtk_widget_size_request (GTK_WIDGET (tree_view), &requisition);
6376 tree_view->priv->hadjustment->upper = MAX (tree_view->priv->hadjustment->upper, (gfloat)requisition.width);
6377 tree_view->priv->vadjustment->upper = MAX (tree_view->priv->vadjustment->upper, (gfloat)requisition.height);
6378 gtk_adjustment_changed (tree_view->priv->hadjustment);
6379 gtk_adjustment_changed (tree_view->priv->vadjustment);
6380
6381 if (queue_resize)
6382 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
6383 }
6384
6385 if (path) gtk_tree_path_free (path);
6386 g_timer_destroy (timer);
6387
6388 return retval;
6389 }
6390
6391 static gboolean
validate_rows(GtkTreeView * tree_view)6392 validate_rows (GtkTreeView *tree_view)
6393 {
6394 gboolean retval;
6395
6396 retval = do_validate_rows (tree_view, TRUE);
6397
6398 if (! retval && tree_view->priv->validate_rows_timer)
6399 {
6400 g_source_remove (tree_view->priv->validate_rows_timer);
6401 tree_view->priv->validate_rows_timer = 0;
6402 }
6403
6404 return retval;
6405 }
6406
6407 static gboolean
validate_rows_handler(GtkTreeView * tree_view)6408 validate_rows_handler (GtkTreeView *tree_view)
6409 {
6410 gboolean retval;
6411
6412 retval = do_validate_rows (tree_view, TRUE);
6413 if (! retval && tree_view->priv->validate_rows_timer)
6414 {
6415 g_source_remove (tree_view->priv->validate_rows_timer);
6416 tree_view->priv->validate_rows_timer = 0;
6417 }
6418
6419 return retval;
6420 }
6421
6422 static gboolean
do_presize_handler(GtkTreeView * tree_view)6423 do_presize_handler (GtkTreeView *tree_view)
6424 {
6425 if (tree_view->priv->mark_rows_col_dirty)
6426 {
6427 if (tree_view->priv->tree)
6428 _gtk_rbtree_column_invalid (tree_view->priv->tree);
6429 tree_view->priv->mark_rows_col_dirty = FALSE;
6430 }
6431 validate_visible_area (tree_view);
6432 tree_view->priv->presize_handler_timer = 0;
6433
6434 if (tree_view->priv->fixed_height_mode)
6435 {
6436 GtkRequisition requisition;
6437
6438 gtk_widget_size_request (GTK_WIDGET (tree_view), &requisition);
6439
6440 tree_view->priv->hadjustment->upper = MAX (tree_view->priv->hadjustment->upper, (gfloat)requisition.width);
6441 tree_view->priv->vadjustment->upper = MAX (tree_view->priv->vadjustment->upper, (gfloat)requisition.height);
6442 gtk_adjustment_changed (tree_view->priv->hadjustment);
6443 gtk_adjustment_changed (tree_view->priv->vadjustment);
6444 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
6445 }
6446
6447 return FALSE;
6448 }
6449
6450 static gboolean
presize_handler_callback(gpointer data)6451 presize_handler_callback (gpointer data)
6452 {
6453 do_presize_handler (GTK_TREE_VIEW (data));
6454
6455 return FALSE;
6456 }
6457
6458 static void
install_presize_handler(GtkTreeView * tree_view)6459 install_presize_handler (GtkTreeView *tree_view)
6460 {
6461 if (! gtk_widget_get_realized (GTK_WIDGET (tree_view)))
6462 return;
6463
6464 if (! tree_view->priv->presize_handler_timer)
6465 {
6466 tree_view->priv->presize_handler_timer =
6467 gdk_threads_add_idle_full (GTK_PRIORITY_RESIZE - 2, presize_handler_callback, tree_view, NULL);
6468 }
6469 if (! tree_view->priv->validate_rows_timer)
6470 {
6471 tree_view->priv->validate_rows_timer =
6472 gdk_threads_add_idle_full (GTK_TREE_VIEW_PRIORITY_VALIDATE, (GSourceFunc) validate_rows_handler, tree_view, NULL);
6473 }
6474 }
6475
6476 static gboolean
scroll_sync_handler(GtkTreeView * tree_view)6477 scroll_sync_handler (GtkTreeView *tree_view)
6478 {
6479 if (tree_view->priv->height <= tree_view->priv->vadjustment->page_size)
6480 gtk_adjustment_set_value (GTK_ADJUSTMENT (tree_view->priv->vadjustment), 0);
6481 else if (gtk_tree_row_reference_valid (tree_view->priv->top_row))
6482 gtk_tree_view_top_row_to_dy (tree_view);
6483 else
6484 gtk_tree_view_dy_to_top_row (tree_view);
6485
6486 tree_view->priv->scroll_sync_timer = 0;
6487
6488 return FALSE;
6489 }
6490
6491 static void
install_scroll_sync_handler(GtkTreeView * tree_view)6492 install_scroll_sync_handler (GtkTreeView *tree_view)
6493 {
6494 if (!gtk_widget_get_realized (GTK_WIDGET (tree_view)))
6495 return;
6496
6497 if (!tree_view->priv->scroll_sync_timer)
6498 {
6499 tree_view->priv->scroll_sync_timer =
6500 gdk_threads_add_idle_full (GTK_TREE_VIEW_PRIORITY_SCROLL_SYNC, (GSourceFunc) scroll_sync_handler, tree_view, NULL);
6501 }
6502 }
6503
6504 static void
gtk_tree_view_set_top_row(GtkTreeView * tree_view,GtkTreePath * path,gint offset)6505 gtk_tree_view_set_top_row (GtkTreeView *tree_view,
6506 GtkTreePath *path,
6507 gint offset)
6508 {
6509 gtk_tree_row_reference_free (tree_view->priv->top_row);
6510
6511 if (!path)
6512 {
6513 tree_view->priv->top_row = NULL;
6514 tree_view->priv->top_row_dy = 0;
6515 }
6516 else
6517 {
6518 tree_view->priv->top_row = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), tree_view->priv->model, path);
6519 tree_view->priv->top_row_dy = offset;
6520 }
6521 }
6522
6523 /* Always call this iff dy is in the visible range. If the tree is empty, then
6524 * it's set to be NULL, and top_row_dy is 0;
6525 */
6526 static void
gtk_tree_view_dy_to_top_row(GtkTreeView * tree_view)6527 gtk_tree_view_dy_to_top_row (GtkTreeView *tree_view)
6528 {
6529 gint offset;
6530 GtkTreePath *path;
6531 GtkRBTree *tree;
6532 GtkRBNode *node;
6533
6534 if (tree_view->priv->tree == NULL)
6535 {
6536 gtk_tree_view_set_top_row (tree_view, NULL, 0);
6537 }
6538 else
6539 {
6540 offset = _gtk_rbtree_find_offset (tree_view->priv->tree,
6541 tree_view->priv->dy,
6542 &tree, &node);
6543
6544 if (tree == NULL)
6545 {
6546 gtk_tree_view_set_top_row (tree_view, NULL, 0);
6547 }
6548 else
6549 {
6550 path = _gtk_tree_view_find_path (tree_view, tree, node);
6551 gtk_tree_view_set_top_row (tree_view, path, offset);
6552 gtk_tree_path_free (path);
6553 }
6554 }
6555 }
6556
6557 static void
gtk_tree_view_top_row_to_dy(GtkTreeView * tree_view)6558 gtk_tree_view_top_row_to_dy (GtkTreeView *tree_view)
6559 {
6560 GtkTreePath *path;
6561 GtkRBTree *tree;
6562 GtkRBNode *node;
6563 int new_dy;
6564
6565 /* Avoid recursive calls */
6566 if (tree_view->priv->in_top_row_to_dy)
6567 return;
6568
6569 if (tree_view->priv->top_row)
6570 path = gtk_tree_row_reference_get_path (tree_view->priv->top_row);
6571 else
6572 path = NULL;
6573
6574 if (!path)
6575 tree = NULL;
6576 else
6577 _gtk_tree_view_find_node (tree_view, path, &tree, &node);
6578
6579 if (path)
6580 gtk_tree_path_free (path);
6581
6582 if (tree == NULL)
6583 {
6584 /* keep dy and set new toprow */
6585 gtk_tree_row_reference_free (tree_view->priv->top_row);
6586 tree_view->priv->top_row = NULL;
6587 tree_view->priv->top_row_dy = 0;
6588 /* DO NOT install the idle handler */
6589 gtk_tree_view_dy_to_top_row (tree_view);
6590 return;
6591 }
6592
6593 if (ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node))
6594 < tree_view->priv->top_row_dy)
6595 {
6596 /* new top row -- do NOT install the idle handler */
6597 gtk_tree_view_dy_to_top_row (tree_view);
6598 return;
6599 }
6600
6601 new_dy = _gtk_rbtree_node_find_offset (tree, node);
6602 new_dy += tree_view->priv->top_row_dy;
6603
6604 if (new_dy + tree_view->priv->vadjustment->page_size > tree_view->priv->height)
6605 new_dy = tree_view->priv->height - tree_view->priv->vadjustment->page_size;
6606
6607 new_dy = MAX (0, new_dy);
6608
6609 tree_view->priv->in_top_row_to_dy = TRUE;
6610 gtk_adjustment_set_value (tree_view->priv->vadjustment, (gdouble)new_dy);
6611 tree_view->priv->in_top_row_to_dy = FALSE;
6612 }
6613
6614
6615 void
_gtk_tree_view_install_mark_rows_col_dirty(GtkTreeView * tree_view)6616 _gtk_tree_view_install_mark_rows_col_dirty (GtkTreeView *tree_view)
6617 {
6618 tree_view->priv->mark_rows_col_dirty = TRUE;
6619
6620 install_presize_handler (tree_view);
6621 }
6622
6623 /*
6624 * This function works synchronously (due to the while (validate_rows...)
6625 * loop).
6626 *
6627 * There was a check for column_type != GTK_TREE_VIEW_COLUMN_AUTOSIZE
6628 * here. You now need to check that yourself.
6629 */
6630 void
_gtk_tree_view_column_autosize(GtkTreeView * tree_view,GtkTreeViewColumn * column)6631 _gtk_tree_view_column_autosize (GtkTreeView *tree_view,
6632 GtkTreeViewColumn *column)
6633 {
6634 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
6635 g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (column));
6636
6637 _gtk_tree_view_column_cell_set_dirty (column, FALSE);
6638
6639 do_presize_handler (tree_view);
6640 while (validate_rows (tree_view));
6641
6642 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
6643 }
6644
6645 /* Drag-and-drop */
6646
6647 static void
set_source_row(GdkDragContext * context,GtkTreeModel * model,GtkTreePath * source_row)6648 set_source_row (GdkDragContext *context,
6649 GtkTreeModel *model,
6650 GtkTreePath *source_row)
6651 {
6652 g_object_set_data_full (G_OBJECT (context),
6653 I_("gtk-tree-view-source-row"),
6654 source_row ? gtk_tree_row_reference_new (model, source_row) : NULL,
6655 (GDestroyNotify) (source_row ? gtk_tree_row_reference_free : NULL));
6656 }
6657
6658 static GtkTreePath*
get_source_row(GdkDragContext * context)6659 get_source_row (GdkDragContext *context)
6660 {
6661 GtkTreeRowReference *ref =
6662 g_object_get_data (G_OBJECT (context), "gtk-tree-view-source-row");
6663
6664 if (ref)
6665 return gtk_tree_row_reference_get_path (ref);
6666 else
6667 return NULL;
6668 }
6669
6670 typedef struct
6671 {
6672 GtkTreeRowReference *dest_row;
6673 guint path_down_mode : 1;
6674 guint empty_view_drop : 1;
6675 guint drop_append_mode : 1;
6676 }
6677 DestRow;
6678
6679 static void
dest_row_free(gpointer data)6680 dest_row_free (gpointer data)
6681 {
6682 DestRow *dr = (DestRow *)data;
6683
6684 gtk_tree_row_reference_free (dr->dest_row);
6685 g_slice_free (DestRow, dr);
6686 }
6687
6688 static void
set_dest_row(GdkDragContext * context,GtkTreeModel * model,GtkTreePath * dest_row,gboolean path_down_mode,gboolean empty_view_drop,gboolean drop_append_mode)6689 set_dest_row (GdkDragContext *context,
6690 GtkTreeModel *model,
6691 GtkTreePath *dest_row,
6692 gboolean path_down_mode,
6693 gboolean empty_view_drop,
6694 gboolean drop_append_mode)
6695 {
6696 DestRow *dr;
6697
6698 if (!dest_row)
6699 {
6700 g_object_set_data_full (G_OBJECT (context), I_("gtk-tree-view-dest-row"),
6701 NULL, NULL);
6702 return;
6703 }
6704
6705 dr = g_slice_new (DestRow);
6706
6707 dr->dest_row = gtk_tree_row_reference_new (model, dest_row);
6708 dr->path_down_mode = path_down_mode != FALSE;
6709 dr->empty_view_drop = empty_view_drop != FALSE;
6710 dr->drop_append_mode = drop_append_mode != FALSE;
6711
6712 g_object_set_data_full (G_OBJECT (context), I_("gtk-tree-view-dest-row"),
6713 dr, (GDestroyNotify) dest_row_free);
6714 }
6715
6716 static GtkTreePath*
get_dest_row(GdkDragContext * context,gboolean * path_down_mode)6717 get_dest_row (GdkDragContext *context,
6718 gboolean *path_down_mode)
6719 {
6720 DestRow *dr =
6721 g_object_get_data (G_OBJECT (context), "gtk-tree-view-dest-row");
6722
6723 if (dr)
6724 {
6725 GtkTreePath *path = NULL;
6726
6727 if (path_down_mode)
6728 *path_down_mode = dr->path_down_mode;
6729
6730 if (dr->dest_row)
6731 path = gtk_tree_row_reference_get_path (dr->dest_row);
6732 else if (dr->empty_view_drop)
6733 path = gtk_tree_path_new_from_indices (0, -1);
6734 else
6735 path = NULL;
6736
6737 if (path && dr->drop_append_mode)
6738 gtk_tree_path_next (path);
6739
6740 return path;
6741 }
6742 else
6743 return NULL;
6744 }
6745
6746 /* Get/set whether drag_motion requested the drag data and
6747 * drag_data_received should thus not actually insert the data,
6748 * since the data doesn't result from a drop.
6749 */
6750 static void
set_status_pending(GdkDragContext * context,GdkDragAction suggested_action)6751 set_status_pending (GdkDragContext *context,
6752 GdkDragAction suggested_action)
6753 {
6754 g_object_set_data (G_OBJECT (context),
6755 I_("gtk-tree-view-status-pending"),
6756 GINT_TO_POINTER (suggested_action));
6757 }
6758
6759 static GdkDragAction
get_status_pending(GdkDragContext * context)6760 get_status_pending (GdkDragContext *context)
6761 {
6762 return GPOINTER_TO_INT (g_object_get_data (G_OBJECT (context),
6763 "gtk-tree-view-status-pending"));
6764 }
6765
6766 static TreeViewDragInfo*
get_info(GtkTreeView * tree_view)6767 get_info (GtkTreeView *tree_view)
6768 {
6769 return g_object_get_data (G_OBJECT (tree_view), "gtk-tree-view-drag-info");
6770 }
6771
6772 static void
destroy_info(TreeViewDragInfo * di)6773 destroy_info (TreeViewDragInfo *di)
6774 {
6775 g_slice_free (TreeViewDragInfo, di);
6776 }
6777
6778 static TreeViewDragInfo*
ensure_info(GtkTreeView * tree_view)6779 ensure_info (GtkTreeView *tree_view)
6780 {
6781 TreeViewDragInfo *di;
6782
6783 di = get_info (tree_view);
6784
6785 if (di == NULL)
6786 {
6787 di = g_slice_new0 (TreeViewDragInfo);
6788
6789 g_object_set_data_full (G_OBJECT (tree_view),
6790 I_("gtk-tree-view-drag-info"),
6791 di,
6792 (GDestroyNotify) destroy_info);
6793 }
6794
6795 return di;
6796 }
6797
6798 static void
remove_info(GtkTreeView * tree_view)6799 remove_info (GtkTreeView *tree_view)
6800 {
6801 g_object_set_data (G_OBJECT (tree_view), I_("gtk-tree-view-drag-info"), NULL);
6802 }
6803
6804 #if 0
6805 static gint
6806 drag_scan_timeout (gpointer data)
6807 {
6808 GtkTreeView *tree_view;
6809 gint x, y;
6810 GdkModifierType state;
6811 GtkTreePath *path = NULL;
6812 GtkTreeViewColumn *column = NULL;
6813 GdkRectangle visible_rect;
6814
6815 GDK_THREADS_ENTER ();
6816
6817 tree_view = GTK_TREE_VIEW (data);
6818
6819 gdk_window_get_pointer (tree_view->priv->bin_window,
6820 &x, &y, &state);
6821
6822 gtk_tree_view_get_visible_rect (tree_view, &visible_rect);
6823
6824 /* See if we are near the edge. */
6825 if ((x - visible_rect.x) < SCROLL_EDGE_SIZE ||
6826 (visible_rect.x + visible_rect.width - x) < SCROLL_EDGE_SIZE ||
6827 (y - visible_rect.y) < SCROLL_EDGE_SIZE ||
6828 (visible_rect.y + visible_rect.height - y) < SCROLL_EDGE_SIZE)
6829 {
6830 gtk_tree_view_get_path_at_pos (tree_view,
6831 tree_view->priv->bin_window,
6832 x, y,
6833 &path,
6834 &column,
6835 NULL,
6836 NULL);
6837
6838 if (path != NULL)
6839 {
6840 gtk_tree_view_scroll_to_cell (tree_view,
6841 path,
6842 column,
6843 TRUE,
6844 0.5, 0.5);
6845
6846 gtk_tree_path_free (path);
6847 }
6848 }
6849
6850 GDK_THREADS_LEAVE ();
6851
6852 return TRUE;
6853 }
6854 #endif /* 0 */
6855
6856 static void
add_scroll_timeout(GtkTreeView * tree_view)6857 add_scroll_timeout (GtkTreeView *tree_view)
6858 {
6859 if (tree_view->priv->scroll_timeout == 0)
6860 {
6861 tree_view->priv->scroll_timeout =
6862 gdk_threads_add_timeout (150, scroll_row_timeout, tree_view);
6863 }
6864 }
6865
6866 static void
remove_scroll_timeout(GtkTreeView * tree_view)6867 remove_scroll_timeout (GtkTreeView *tree_view)
6868 {
6869 if (tree_view->priv->scroll_timeout != 0)
6870 {
6871 g_source_remove (tree_view->priv->scroll_timeout);
6872 tree_view->priv->scroll_timeout = 0;
6873 }
6874 }
6875
6876 static gboolean
check_model_dnd(GtkTreeModel * model,GType required_iface,const gchar * signal)6877 check_model_dnd (GtkTreeModel *model,
6878 GType required_iface,
6879 const gchar *signal)
6880 {
6881 if (model == NULL || !G_TYPE_CHECK_INSTANCE_TYPE ((model), required_iface))
6882 {
6883 g_warning ("You must override the default '%s' handler "
6884 "on GtkTreeView when using models that don't support "
6885 "the %s interface and enabling drag-and-drop. The simplest way to do this "
6886 "is to connect to '%s' and call "
6887 "g_signal_stop_emission_by_name() in your signal handler to prevent "
6888 "the default handler from running. Look at the source code "
6889 "for the default handler in gtktreeview.c to get an idea what "
6890 "your handler should do. (gtktreeview.c is in the GTK source "
6891 "code.) If you're using GTK from a language other than C, "
6892 "there may be a more natural way to override default handlers, e.g. via derivation.",
6893 signal, g_type_name (required_iface), signal);
6894 return FALSE;
6895 }
6896 else
6897 return TRUE;
6898 }
6899
6900 static void
remove_open_timeout(GtkTreeView * tree_view)6901 remove_open_timeout (GtkTreeView *tree_view)
6902 {
6903 if (tree_view->priv->open_dest_timeout != 0)
6904 {
6905 g_source_remove (tree_view->priv->open_dest_timeout);
6906 tree_view->priv->open_dest_timeout = 0;
6907 }
6908 }
6909
6910
6911 static gint
open_row_timeout(gpointer data)6912 open_row_timeout (gpointer data)
6913 {
6914 GtkTreeView *tree_view = data;
6915 GtkTreePath *dest_path = NULL;
6916 GtkTreeViewDropPosition pos;
6917 gboolean result = FALSE;
6918
6919 gtk_tree_view_get_drag_dest_row (tree_view,
6920 &dest_path,
6921 &pos);
6922
6923 if (dest_path &&
6924 (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER ||
6925 pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE))
6926 {
6927 gtk_tree_view_expand_row (tree_view, dest_path, FALSE);
6928 tree_view->priv->open_dest_timeout = 0;
6929
6930 gtk_tree_path_free (dest_path);
6931 }
6932 else
6933 {
6934 if (dest_path)
6935 gtk_tree_path_free (dest_path);
6936
6937 result = TRUE;
6938 }
6939
6940 return result;
6941 }
6942
6943 static gboolean
scroll_row_timeout(gpointer data)6944 scroll_row_timeout (gpointer data)
6945 {
6946 GtkTreeView *tree_view = data;
6947
6948 gtk_tree_view_vertical_autoscroll (tree_view);
6949
6950 if (tree_view->priv->rubber_band_status == RUBBER_BAND_ACTIVE)
6951 gtk_tree_view_update_rubber_band (tree_view);
6952
6953 return TRUE;
6954 }
6955
6956 /* Returns TRUE if event should not be propagated to parent widgets */
6957 static gboolean
set_destination_row(GtkTreeView * tree_view,GdkDragContext * context,gint x,gint y,GdkDragAction * suggested_action,GdkAtom * target)6958 set_destination_row (GtkTreeView *tree_view,
6959 GdkDragContext *context,
6960 /* coordinates relative to the widget */
6961 gint x,
6962 gint y,
6963 GdkDragAction *suggested_action,
6964 GdkAtom *target)
6965 {
6966 GtkTreePath *path = NULL;
6967 GtkTreeViewDropPosition pos;
6968 GtkTreeViewDropPosition old_pos;
6969 TreeViewDragInfo *di;
6970 GtkWidget *widget;
6971 GtkTreePath *old_dest_path = NULL;
6972 gboolean can_drop = FALSE;
6973
6974 *suggested_action = 0;
6975 *target = GDK_NONE;
6976
6977 widget = GTK_WIDGET (tree_view);
6978
6979 di = get_info (tree_view);
6980
6981 if (di == NULL || y - TREE_VIEW_HEADER_HEIGHT (tree_view) < 0)
6982 {
6983 /* someone unset us as a drag dest, note that if
6984 * we return FALSE drag_leave isn't called
6985 */
6986
6987 gtk_tree_view_set_drag_dest_row (tree_view,
6988 NULL,
6989 GTK_TREE_VIEW_DROP_BEFORE);
6990
6991 remove_scroll_timeout (GTK_TREE_VIEW (widget));
6992 remove_open_timeout (GTK_TREE_VIEW (widget));
6993
6994 return FALSE; /* no longer a drop site */
6995 }
6996
6997 *target = gtk_drag_dest_find_target (widget, context,
6998 gtk_drag_dest_get_target_list (widget));
6999 if (*target == GDK_NONE)
7000 {
7001 return FALSE;
7002 }
7003
7004 if (!gtk_tree_view_get_dest_row_at_pos (tree_view,
7005 x, y,
7006 &path,
7007 &pos))
7008 {
7009 gint n_children;
7010 GtkTreeModel *model;
7011
7012 remove_open_timeout (tree_view);
7013
7014 /* the row got dropped on empty space, let's setup a special case
7015 */
7016
7017 if (path)
7018 gtk_tree_path_free (path);
7019
7020 model = gtk_tree_view_get_model (tree_view);
7021
7022 n_children = gtk_tree_model_iter_n_children (model, NULL);
7023 if (n_children)
7024 {
7025 pos = GTK_TREE_VIEW_DROP_AFTER;
7026 path = gtk_tree_path_new_from_indices (n_children - 1, -1);
7027 }
7028 else
7029 {
7030 pos = GTK_TREE_VIEW_DROP_BEFORE;
7031 path = gtk_tree_path_new_from_indices (0, -1);
7032 }
7033
7034 can_drop = TRUE;
7035
7036 goto out;
7037 }
7038
7039 g_assert (path);
7040
7041 /* If we left the current row's "open" zone, unset the timeout for
7042 * opening the row
7043 */
7044 gtk_tree_view_get_drag_dest_row (tree_view,
7045 &old_dest_path,
7046 &old_pos);
7047
7048 if (old_dest_path &&
7049 (gtk_tree_path_compare (path, old_dest_path) != 0 ||
7050 !(pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER ||
7051 pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)))
7052 remove_open_timeout (tree_view);
7053
7054 if (old_dest_path)
7055 gtk_tree_path_free (old_dest_path);
7056
7057 if (TRUE /* FIXME if the location droppable predicate */)
7058 {
7059 can_drop = TRUE;
7060 }
7061
7062 out:
7063 if (can_drop)
7064 {
7065 GtkWidget *source_widget;
7066
7067 *suggested_action = gdk_drag_context_get_suggested_action (context);
7068 source_widget = gtk_drag_get_source_widget (context);
7069
7070 if (source_widget == widget)
7071 {
7072 /* Default to MOVE, unless the user has
7073 * pressed ctrl or shift to affect available actions
7074 */
7075 if ((gdk_drag_context_get_actions (context) & GDK_ACTION_MOVE) != 0)
7076 *suggested_action = GDK_ACTION_MOVE;
7077 }
7078
7079 gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget),
7080 path, pos);
7081 }
7082 else
7083 {
7084 /* can't drop here */
7085 remove_open_timeout (tree_view);
7086
7087 gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget),
7088 NULL,
7089 GTK_TREE_VIEW_DROP_BEFORE);
7090 }
7091
7092 if (path)
7093 gtk_tree_path_free (path);
7094
7095 return TRUE;
7096 }
7097
7098 static GtkTreePath*
get_logical_dest_row(GtkTreeView * tree_view,gboolean * path_down_mode,gboolean * drop_append_mode)7099 get_logical_dest_row (GtkTreeView *tree_view,
7100 gboolean *path_down_mode,
7101 gboolean *drop_append_mode)
7102 {
7103 /* adjust path to point to the row the drop goes in front of */
7104 GtkTreePath *path = NULL;
7105 GtkTreeViewDropPosition pos;
7106
7107 g_return_val_if_fail (path_down_mode != NULL, NULL);
7108 g_return_val_if_fail (drop_append_mode != NULL, NULL);
7109
7110 *path_down_mode = FALSE;
7111 *drop_append_mode = 0;
7112
7113 gtk_tree_view_get_drag_dest_row (tree_view, &path, &pos);
7114
7115 if (path == NULL)
7116 return NULL;
7117
7118 if (pos == GTK_TREE_VIEW_DROP_BEFORE)
7119 ; /* do nothing */
7120 else if (pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE ||
7121 pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER)
7122 *path_down_mode = TRUE;
7123 else
7124 {
7125 GtkTreeIter iter;
7126 GtkTreeModel *model = gtk_tree_view_get_model (tree_view);
7127
7128 g_assert (pos == GTK_TREE_VIEW_DROP_AFTER);
7129
7130 if (!gtk_tree_model_get_iter (model, &iter, path) ||
7131 !gtk_tree_model_iter_next (model, &iter))
7132 *drop_append_mode = 1;
7133 else
7134 {
7135 *drop_append_mode = 0;
7136 gtk_tree_path_next (path);
7137 }
7138 }
7139
7140 return path;
7141 }
7142
7143 static gboolean
gtk_tree_view_maybe_begin_dragging_row(GtkTreeView * tree_view,GdkEventMotion * event)7144 gtk_tree_view_maybe_begin_dragging_row (GtkTreeView *tree_view,
7145 GdkEventMotion *event)
7146 {
7147 GtkWidget *widget = GTK_WIDGET (tree_view);
7148 GdkDragContext *context;
7149 TreeViewDragInfo *di;
7150 GtkTreePath *path = NULL;
7151 gint button;
7152 gint cell_x, cell_y;
7153 GtkTreeModel *model;
7154 gboolean retval = FALSE;
7155
7156 di = get_info (tree_view);
7157
7158 if (di == NULL || !di->source_set)
7159 goto out;
7160
7161 if (tree_view->priv->pressed_button < 0)
7162 goto out;
7163
7164 if (!gtk_drag_check_threshold (widget,
7165 tree_view->priv->press_start_x,
7166 tree_view->priv->press_start_y,
7167 event->x, event->y))
7168 goto out;
7169
7170 model = gtk_tree_view_get_model (tree_view);
7171
7172 if (model == NULL)
7173 goto out;
7174
7175 button = tree_view->priv->pressed_button;
7176 tree_view->priv->pressed_button = -1;
7177
7178 gtk_tree_view_get_path_at_pos (tree_view,
7179 tree_view->priv->press_start_x,
7180 tree_view->priv->press_start_y,
7181 &path,
7182 NULL,
7183 &cell_x,
7184 &cell_y);
7185
7186 if (path == NULL)
7187 goto out;
7188
7189 if (!GTK_IS_TREE_DRAG_SOURCE (model) ||
7190 !gtk_tree_drag_source_row_draggable (GTK_TREE_DRAG_SOURCE (model),
7191 path))
7192 goto out;
7193
7194 if (!(GDK_BUTTON1_MASK << (button - 1) & di->start_button_mask))
7195 goto out;
7196
7197 /* Now we can begin the drag */
7198
7199 retval = TRUE;
7200
7201 context = gtk_drag_begin (widget,
7202 gtk_drag_source_get_target_list (widget),
7203 di->source_actions,
7204 button,
7205 (GdkEvent*)event);
7206
7207 set_source_row (context, model, path);
7208
7209 out:
7210 if (path)
7211 gtk_tree_path_free (path);
7212
7213 return retval;
7214 }
7215
7216
7217 static void
gtk_tree_view_drag_begin(GtkWidget * widget,GdkDragContext * context)7218 gtk_tree_view_drag_begin (GtkWidget *widget,
7219 GdkDragContext *context)
7220 {
7221 GtkTreeView *tree_view;
7222 GtkTreePath *path = NULL;
7223 gint cell_x, cell_y;
7224 GdkPixmap *row_pix;
7225 TreeViewDragInfo *di;
7226
7227 tree_view = GTK_TREE_VIEW (widget);
7228
7229 /* if the user uses a custom DND source impl, we don't set the icon here */
7230 di = get_info (tree_view);
7231
7232 if (di == NULL || !di->source_set)
7233 return;
7234
7235 gtk_tree_view_get_path_at_pos (tree_view,
7236 tree_view->priv->press_start_x,
7237 tree_view->priv->press_start_y,
7238 &path,
7239 NULL,
7240 &cell_x,
7241 &cell_y);
7242
7243 g_return_if_fail (path != NULL);
7244
7245 row_pix = gtk_tree_view_create_row_drag_icon (tree_view,
7246 path);
7247
7248 gtk_drag_set_icon_pixmap (context,
7249 gdk_drawable_get_colormap (row_pix),
7250 row_pix,
7251 NULL,
7252 /* the + 1 is for the black border in the icon */
7253 tree_view->priv->press_start_x + 1,
7254 cell_y + 1);
7255
7256 g_object_unref (row_pix);
7257 gtk_tree_path_free (path);
7258 }
7259
7260 static void
gtk_tree_view_drag_end(GtkWidget * widget,GdkDragContext * context)7261 gtk_tree_view_drag_end (GtkWidget *widget,
7262 GdkDragContext *context)
7263 {
7264 /* do nothing */
7265 }
7266
7267 /* Default signal implementations for the drag signals */
7268 static void
gtk_tree_view_drag_data_get(GtkWidget * widget,GdkDragContext * context,GtkSelectionData * selection_data,guint info,guint time)7269 gtk_tree_view_drag_data_get (GtkWidget *widget,
7270 GdkDragContext *context,
7271 GtkSelectionData *selection_data,
7272 guint info,
7273 guint time)
7274 {
7275 GtkTreeView *tree_view;
7276 GtkTreeModel *model;
7277 TreeViewDragInfo *di;
7278 GtkTreePath *source_row;
7279
7280 tree_view = GTK_TREE_VIEW (widget);
7281
7282 model = gtk_tree_view_get_model (tree_view);
7283
7284 if (model == NULL)
7285 return;
7286
7287 di = get_info (GTK_TREE_VIEW (widget));
7288
7289 if (di == NULL)
7290 return;
7291
7292 source_row = get_source_row (context);
7293
7294 if (source_row == NULL)
7295 return;
7296
7297 /* We can implement the GTK_TREE_MODEL_ROW target generically for
7298 * any model; for DragSource models there are some other targets
7299 * we also support.
7300 */
7301
7302 if (GTK_IS_TREE_DRAG_SOURCE (model) &&
7303 gtk_tree_drag_source_drag_data_get (GTK_TREE_DRAG_SOURCE (model),
7304 source_row,
7305 selection_data))
7306 goto done;
7307
7308 /* If drag_data_get does nothing, try providing row data. */
7309 if (selection_data->target == gdk_atom_intern_static_string ("GTK_TREE_MODEL_ROW"))
7310 {
7311 gtk_tree_set_row_drag_data (selection_data,
7312 model,
7313 source_row);
7314 }
7315
7316 done:
7317 gtk_tree_path_free (source_row);
7318 }
7319
7320
7321 static void
gtk_tree_view_drag_data_delete(GtkWidget * widget,GdkDragContext * context)7322 gtk_tree_view_drag_data_delete (GtkWidget *widget,
7323 GdkDragContext *context)
7324 {
7325 TreeViewDragInfo *di;
7326 GtkTreeModel *model;
7327 GtkTreeView *tree_view;
7328 GtkTreePath *source_row;
7329
7330 tree_view = GTK_TREE_VIEW (widget);
7331 model = gtk_tree_view_get_model (tree_view);
7332
7333 if (!check_model_dnd (model, GTK_TYPE_TREE_DRAG_SOURCE, "drag_data_delete"))
7334 return;
7335
7336 di = get_info (tree_view);
7337
7338 if (di == NULL)
7339 return;
7340
7341 source_row = get_source_row (context);
7342
7343 if (source_row == NULL)
7344 return;
7345
7346 gtk_tree_drag_source_drag_data_delete (GTK_TREE_DRAG_SOURCE (model),
7347 source_row);
7348
7349 gtk_tree_path_free (source_row);
7350
7351 set_source_row (context, NULL, NULL);
7352 }
7353
7354 static void
gtk_tree_view_drag_leave(GtkWidget * widget,GdkDragContext * context,guint time)7355 gtk_tree_view_drag_leave (GtkWidget *widget,
7356 GdkDragContext *context,
7357 guint time)
7358 {
7359 /* unset any highlight row */
7360 gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget),
7361 NULL,
7362 GTK_TREE_VIEW_DROP_BEFORE);
7363
7364 remove_scroll_timeout (GTK_TREE_VIEW (widget));
7365 remove_open_timeout (GTK_TREE_VIEW (widget));
7366 }
7367
7368
7369 static gboolean
gtk_tree_view_drag_motion(GtkWidget * widget,GdkDragContext * context,gint x,gint y,guint time)7370 gtk_tree_view_drag_motion (GtkWidget *widget,
7371 GdkDragContext *context,
7372 /* coordinates relative to the widget */
7373 gint x,
7374 gint y,
7375 guint time)
7376 {
7377 gboolean empty;
7378 GtkTreePath *path = NULL;
7379 GtkTreeViewDropPosition pos;
7380 GtkTreeView *tree_view;
7381 GdkDragAction suggested_action = 0;
7382 GdkAtom target;
7383
7384 tree_view = GTK_TREE_VIEW (widget);
7385
7386 if (!set_destination_row (tree_view, context, x, y, &suggested_action, &target))
7387 return FALSE;
7388
7389 gtk_tree_view_get_drag_dest_row (tree_view, &path, &pos);
7390
7391 /* we only know this *after* set_desination_row */
7392 empty = tree_view->priv->empty_view_drop;
7393
7394 if (path == NULL && !empty)
7395 {
7396 /* Can't drop here. */
7397 gdk_drag_status (context, 0, time);
7398 }
7399 else
7400 {
7401 if (tree_view->priv->open_dest_timeout == 0 &&
7402 (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER ||
7403 pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE))
7404 {
7405 tree_view->priv->open_dest_timeout =
7406 gdk_threads_add_timeout (AUTO_EXPAND_TIMEOUT, open_row_timeout, tree_view);
7407 }
7408 else
7409 {
7410 add_scroll_timeout (tree_view);
7411 }
7412
7413 if (target == gdk_atom_intern_static_string ("GTK_TREE_MODEL_ROW"))
7414 {
7415 /* Request data so we can use the source row when
7416 * determining whether to accept the drop
7417 */
7418 set_status_pending (context, suggested_action);
7419 gtk_drag_get_data (widget, context, target, time);
7420 }
7421 else
7422 {
7423 set_status_pending (context, 0);
7424 gdk_drag_status (context, suggested_action, time);
7425 }
7426 }
7427
7428 if (path)
7429 gtk_tree_path_free (path);
7430
7431 return TRUE;
7432 }
7433
7434
7435 static gboolean
gtk_tree_view_drag_drop(GtkWidget * widget,GdkDragContext * context,gint x,gint y,guint time)7436 gtk_tree_view_drag_drop (GtkWidget *widget,
7437 GdkDragContext *context,
7438 /* coordinates relative to the widget */
7439 gint x,
7440 gint y,
7441 guint time)
7442 {
7443 GtkTreeView *tree_view;
7444 GtkTreePath *path;
7445 GdkDragAction suggested_action = 0;
7446 GdkAtom target = GDK_NONE;
7447 TreeViewDragInfo *di;
7448 GtkTreeModel *model;
7449 gboolean path_down_mode;
7450 gboolean drop_append_mode;
7451
7452 tree_view = GTK_TREE_VIEW (widget);
7453
7454 model = gtk_tree_view_get_model (tree_view);
7455
7456 remove_scroll_timeout (GTK_TREE_VIEW (widget));
7457 remove_open_timeout (GTK_TREE_VIEW (widget));
7458
7459 di = get_info (tree_view);
7460
7461 if (di == NULL)
7462 return FALSE;
7463
7464 if (!check_model_dnd (model, GTK_TYPE_TREE_DRAG_DEST, "drag_drop"))
7465 return FALSE;
7466
7467 if (!set_destination_row (tree_view, context, x, y, &suggested_action, &target))
7468 return FALSE;
7469
7470 path = get_logical_dest_row (tree_view, &path_down_mode, &drop_append_mode);
7471
7472 if (target != GDK_NONE && path != NULL)
7473 {
7474 /* in case a motion had requested drag data, change things so we
7475 * treat drag data receives as a drop.
7476 */
7477 set_status_pending (context, 0);
7478 set_dest_row (context, model, path,
7479 path_down_mode, tree_view->priv->empty_view_drop,
7480 drop_append_mode);
7481 }
7482
7483 if (path)
7484 gtk_tree_path_free (path);
7485
7486 /* Unset this thing */
7487 gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget),
7488 NULL,
7489 GTK_TREE_VIEW_DROP_BEFORE);
7490
7491 if (target != GDK_NONE)
7492 {
7493 gtk_drag_get_data (widget, context, target, time);
7494 return TRUE;
7495 }
7496 else
7497 return FALSE;
7498 }
7499
7500 static void
gtk_tree_view_drag_data_received(GtkWidget * widget,GdkDragContext * context,gint x,gint y,GtkSelectionData * selection_data,guint info,guint time)7501 gtk_tree_view_drag_data_received (GtkWidget *widget,
7502 GdkDragContext *context,
7503 /* coordinates relative to the widget */
7504 gint x,
7505 gint y,
7506 GtkSelectionData *selection_data,
7507 guint info,
7508 guint time)
7509 {
7510 GtkTreePath *path;
7511 TreeViewDragInfo *di;
7512 gboolean accepted = FALSE;
7513 GtkTreeModel *model;
7514 GtkTreeView *tree_view;
7515 GtkTreePath *dest_row;
7516 GdkDragAction suggested_action;
7517 gboolean path_down_mode;
7518 gboolean drop_append_mode;
7519
7520 tree_view = GTK_TREE_VIEW (widget);
7521
7522 model = gtk_tree_view_get_model (tree_view);
7523
7524 if (!check_model_dnd (model, GTK_TYPE_TREE_DRAG_DEST, "drag_data_received"))
7525 return;
7526
7527 di = get_info (tree_view);
7528
7529 if (di == NULL)
7530 return;
7531
7532 suggested_action = get_status_pending (context);
7533
7534 if (suggested_action)
7535 {
7536 /* We are getting this data due to a request in drag_motion,
7537 * rather than due to a request in drag_drop, so we are just
7538 * supposed to call drag_status, not actually paste in the
7539 * data.
7540 */
7541 path = get_logical_dest_row (tree_view, &path_down_mode,
7542 &drop_append_mode);
7543
7544 if (path == NULL)
7545 suggested_action = 0;
7546 else if (path_down_mode)
7547 gtk_tree_path_down (path);
7548
7549 if (suggested_action)
7550 {
7551 if (!gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (model),
7552 path,
7553 selection_data))
7554 {
7555 if (path_down_mode)
7556 {
7557 path_down_mode = FALSE;
7558 gtk_tree_path_up (path);
7559
7560 if (!gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (model),
7561 path,
7562 selection_data))
7563 suggested_action = 0;
7564 }
7565 else
7566 suggested_action = 0;
7567 }
7568 }
7569
7570 gdk_drag_status (context, suggested_action, time);
7571
7572 if (path)
7573 gtk_tree_path_free (path);
7574
7575 /* If you can't drop, remove user drop indicator until the next motion */
7576 if (suggested_action == 0)
7577 gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget),
7578 NULL,
7579 GTK_TREE_VIEW_DROP_BEFORE);
7580
7581 return;
7582 }
7583
7584 dest_row = get_dest_row (context, &path_down_mode);
7585
7586 if (dest_row == NULL)
7587 return;
7588
7589 if (selection_data->length >= 0)
7590 {
7591 if (path_down_mode)
7592 {
7593 gtk_tree_path_down (dest_row);
7594 if (!gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (model),
7595 dest_row, selection_data))
7596 gtk_tree_path_up (dest_row);
7597 }
7598 }
7599
7600 if (selection_data->length >= 0)
7601 {
7602 if (gtk_tree_drag_dest_drag_data_received (GTK_TREE_DRAG_DEST (model),
7603 dest_row,
7604 selection_data))
7605 accepted = TRUE;
7606 }
7607
7608 gtk_drag_finish (context,
7609 accepted,
7610 (gdk_drag_context_get_selected_action (context) == GDK_ACTION_MOVE),
7611 time);
7612
7613 if (gtk_tree_path_get_depth (dest_row) == 1
7614 && gtk_tree_path_get_indices (dest_row)[0] == 0)
7615 {
7616 /* special special case drag to "0", scroll to first item */
7617 if (!tree_view->priv->scroll_to_path)
7618 gtk_tree_view_scroll_to_cell (tree_view, dest_row, NULL, FALSE, 0.0, 0.0);
7619 }
7620
7621 gtk_tree_path_free (dest_row);
7622
7623 /* drop dest_row */
7624 set_dest_row (context, NULL, NULL, FALSE, FALSE, FALSE);
7625 }
7626
7627
7628
7629 /* GtkContainer Methods
7630 */
7631
7632
7633 static void
gtk_tree_view_remove(GtkContainer * container,GtkWidget * widget)7634 gtk_tree_view_remove (GtkContainer *container,
7635 GtkWidget *widget)
7636 {
7637 GtkTreeView *tree_view = GTK_TREE_VIEW (container);
7638 GtkTreeViewChild *child = NULL;
7639 GList *tmp_list;
7640
7641 tmp_list = tree_view->priv->children;
7642 while (tmp_list)
7643 {
7644 child = tmp_list->data;
7645 if (child->widget == widget)
7646 {
7647 gtk_widget_unparent (widget);
7648
7649 tree_view->priv->children = g_list_remove_link (tree_view->priv->children, tmp_list);
7650 g_list_free_1 (tmp_list);
7651 g_slice_free (GtkTreeViewChild, child);
7652 return;
7653 }
7654
7655 tmp_list = tmp_list->next;
7656 }
7657
7658 tmp_list = tree_view->priv->columns;
7659
7660 while (tmp_list)
7661 {
7662 GtkTreeViewColumn *column;
7663 column = tmp_list->data;
7664 if (column->button == widget)
7665 {
7666 gtk_widget_unparent (widget);
7667 return;
7668 }
7669 tmp_list = tmp_list->next;
7670 }
7671 }
7672
7673 static void
gtk_tree_view_forall(GtkContainer * container,gboolean include_internals,GtkCallback callback,gpointer callback_data)7674 gtk_tree_view_forall (GtkContainer *container,
7675 gboolean include_internals,
7676 GtkCallback callback,
7677 gpointer callback_data)
7678 {
7679 GtkTreeView *tree_view = GTK_TREE_VIEW (container);
7680 GtkTreeViewChild *child = NULL;
7681 GtkTreeViewColumn *column;
7682 GList *tmp_list;
7683
7684 tmp_list = tree_view->priv->children;
7685 while (tmp_list)
7686 {
7687 child = tmp_list->data;
7688 tmp_list = tmp_list->next;
7689
7690 (* callback) (child->widget, callback_data);
7691 }
7692 if (include_internals == FALSE)
7693 return;
7694
7695 for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next)
7696 {
7697 column = tmp_list->data;
7698
7699 if (column->button)
7700 (* callback) (column->button, callback_data);
7701 }
7702 }
7703
7704 /* Returns TRUE if the treeview contains no "special" (editable or activatable)
7705 * cells. If so we draw one big row-spanning focus rectangle.
7706 */
7707 static gboolean
gtk_tree_view_has_special_cell(GtkTreeView * tree_view)7708 gtk_tree_view_has_special_cell (GtkTreeView *tree_view)
7709 {
7710 GList *list;
7711
7712 for (list = tree_view->priv->columns; list; list = list->next)
7713 {
7714 if (!((GtkTreeViewColumn *)list->data)->visible)
7715 continue;
7716 if (_gtk_tree_view_column_count_special_cells (list->data))
7717 return TRUE;
7718 }
7719
7720 return FALSE;
7721 }
7722
7723 static void
column_sizing_notify(GObject * object,GParamSpec * pspec,gpointer data)7724 column_sizing_notify (GObject *object,
7725 GParamSpec *pspec,
7726 gpointer data)
7727 {
7728 GtkTreeViewColumn *c = GTK_TREE_VIEW_COLUMN (object);
7729
7730 if (gtk_tree_view_column_get_sizing (c) != GTK_TREE_VIEW_COLUMN_FIXED)
7731 /* disable fixed height mode */
7732 g_object_set (data, "fixed-height-mode", FALSE, NULL);
7733 }
7734
7735 /**
7736 * gtk_tree_view_set_fixed_height_mode:
7737 * @tree_view: a #GtkTreeView
7738 * @enable: %TRUE to enable fixed height mode
7739 *
7740 * Enables or disables the fixed height mode of @tree_view.
7741 * Fixed height mode speeds up #GtkTreeView by assuming that all
7742 * rows have the same height.
7743 * Only enable this option if all rows are the same height and all
7744 * columns are of type %GTK_TREE_VIEW_COLUMN_FIXED.
7745 *
7746 * Since: 2.6
7747 **/
7748 void
gtk_tree_view_set_fixed_height_mode(GtkTreeView * tree_view,gboolean enable)7749 gtk_tree_view_set_fixed_height_mode (GtkTreeView *tree_view,
7750 gboolean enable)
7751 {
7752 GList *l;
7753
7754 enable = enable != FALSE;
7755
7756 if (enable == tree_view->priv->fixed_height_mode)
7757 return;
7758
7759 if (!enable)
7760 {
7761 tree_view->priv->fixed_height_mode = 0;
7762 tree_view->priv->fixed_height = -1;
7763
7764 /* force a revalidation */
7765 install_presize_handler (tree_view);
7766 }
7767 else
7768 {
7769 /* make sure all columns are of type FIXED */
7770 for (l = tree_view->priv->columns; l; l = l->next)
7771 {
7772 GtkTreeViewColumn *c = l->data;
7773
7774 g_return_if_fail (gtk_tree_view_column_get_sizing (c) == GTK_TREE_VIEW_COLUMN_FIXED);
7775 }
7776
7777 /* yes, we really have to do this is in a separate loop */
7778 for (l = tree_view->priv->columns; l; l = l->next)
7779 g_signal_connect (l->data, "notify::sizing",
7780 G_CALLBACK (column_sizing_notify), tree_view);
7781
7782 tree_view->priv->fixed_height_mode = 1;
7783 tree_view->priv->fixed_height = -1;
7784
7785 if (tree_view->priv->tree)
7786 initialize_fixed_height_mode (tree_view);
7787 }
7788
7789 g_object_notify (G_OBJECT (tree_view), "fixed-height-mode");
7790 }
7791
7792 /**
7793 * gtk_tree_view_get_fixed_height_mode:
7794 * @tree_view: a #GtkTreeView
7795 *
7796 * Returns whether fixed height mode is turned on for @tree_view.
7797 *
7798 * Return value: %TRUE if @tree_view is in fixed height mode
7799 *
7800 * Since: 2.6
7801 **/
7802 gboolean
gtk_tree_view_get_fixed_height_mode(GtkTreeView * tree_view)7803 gtk_tree_view_get_fixed_height_mode (GtkTreeView *tree_view)
7804 {
7805 return tree_view->priv->fixed_height_mode;
7806 }
7807
7808 /* Returns TRUE if the focus is within the headers, after the focus operation is
7809 * done
7810 */
7811 static gboolean
gtk_tree_view_header_focus(GtkTreeView * tree_view,GtkDirectionType dir,gboolean clamp_column_visible)7812 gtk_tree_view_header_focus (GtkTreeView *tree_view,
7813 GtkDirectionType dir,
7814 gboolean clamp_column_visible)
7815 {
7816 GtkWidget *focus_child;
7817
7818 GList *last_column, *first_column;
7819 GList *tmp_list;
7820 gboolean rtl;
7821
7822 if (! GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE))
7823 return FALSE;
7824
7825 focus_child = GTK_CONTAINER (tree_view)->focus_child;
7826
7827 first_column = tree_view->priv->columns;
7828 while (first_column)
7829 {
7830 if (gtk_widget_get_can_focus (GTK_TREE_VIEW_COLUMN (first_column->data)->button) &&
7831 GTK_TREE_VIEW_COLUMN (first_column->data)->visible &&
7832 (GTK_TREE_VIEW_COLUMN (first_column->data)->clickable ||
7833 GTK_TREE_VIEW_COLUMN (first_column->data)->reorderable))
7834 break;
7835 first_column = first_column->next;
7836 }
7837
7838 /* No headers are visible, or are focusable. We can't focus in or out.
7839 */
7840 if (first_column == NULL)
7841 return FALSE;
7842
7843 last_column = g_list_last (tree_view->priv->columns);
7844 while (last_column)
7845 {
7846 if (gtk_widget_get_can_focus (GTK_TREE_VIEW_COLUMN (last_column->data)->button) &&
7847 GTK_TREE_VIEW_COLUMN (last_column->data)->visible &&
7848 (GTK_TREE_VIEW_COLUMN (last_column->data)->clickable ||
7849 GTK_TREE_VIEW_COLUMN (last_column->data)->reorderable))
7850 break;
7851 last_column = last_column->prev;
7852 }
7853
7854
7855 rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
7856
7857 switch (dir)
7858 {
7859 case GTK_DIR_TAB_BACKWARD:
7860 case GTK_DIR_TAB_FORWARD:
7861 case GTK_DIR_UP:
7862 case GTK_DIR_DOWN:
7863 if (focus_child == NULL)
7864 {
7865 if (tree_view->priv->focus_column != NULL &&
7866 gtk_widget_get_can_focus (tree_view->priv->focus_column->button))
7867 focus_child = tree_view->priv->focus_column->button;
7868 else
7869 focus_child = GTK_TREE_VIEW_COLUMN (first_column->data)->button;
7870 gtk_widget_grab_focus (focus_child);
7871 break;
7872 }
7873 return FALSE;
7874
7875 case GTK_DIR_LEFT:
7876 case GTK_DIR_RIGHT:
7877 if (focus_child == NULL)
7878 {
7879 if (tree_view->priv->focus_column != NULL)
7880 focus_child = tree_view->priv->focus_column->button;
7881 else if (dir == GTK_DIR_LEFT)
7882 focus_child = GTK_TREE_VIEW_COLUMN (last_column->data)->button;
7883 else
7884 focus_child = GTK_TREE_VIEW_COLUMN (first_column->data)->button;
7885 gtk_widget_grab_focus (focus_child);
7886 break;
7887 }
7888
7889 if (gtk_widget_child_focus (focus_child, dir))
7890 {
7891 /* The focus moves inside the button. */
7892 /* This is probably a great example of bad UI */
7893 break;
7894 }
7895
7896 /* We need to move the focus among the row of buttons. */
7897 for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next)
7898 if (GTK_TREE_VIEW_COLUMN (tmp_list->data)->button == focus_child)
7899 break;
7900
7901 if ((tmp_list == first_column && dir == (rtl ? GTK_DIR_RIGHT : GTK_DIR_LEFT))
7902 || (tmp_list == last_column && dir == (rtl ? GTK_DIR_LEFT : GTK_DIR_RIGHT)))
7903 {
7904 gtk_widget_error_bell (GTK_WIDGET (tree_view));
7905 break;
7906 }
7907
7908 while (tmp_list)
7909 {
7910 GtkTreeViewColumn *column;
7911
7912 if (dir == (rtl ? GTK_DIR_LEFT : GTK_DIR_RIGHT))
7913 tmp_list = tmp_list->next;
7914 else
7915 tmp_list = tmp_list->prev;
7916
7917 if (tmp_list == NULL)
7918 {
7919 g_warning ("Internal button not found");
7920 break;
7921 }
7922 column = tmp_list->data;
7923 if (column->button &&
7924 column->visible &&
7925 gtk_widget_get_can_focus (column->button))
7926 {
7927 focus_child = column->button;
7928 gtk_widget_grab_focus (column->button);
7929 break;
7930 }
7931 }
7932 break;
7933 default:
7934 g_assert_not_reached ();
7935 break;
7936 }
7937
7938 /* if focus child is non-null, we assume it's been set to the current focus child
7939 */
7940 if (focus_child)
7941 {
7942 for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next)
7943 if (GTK_TREE_VIEW_COLUMN (tmp_list->data)->button == focus_child)
7944 {
7945 tree_view->priv->focus_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
7946 break;
7947 }
7948
7949 if (clamp_column_visible)
7950 {
7951 gtk_tree_view_clamp_column_visible (tree_view,
7952 tree_view->priv->focus_column,
7953 FALSE);
7954 }
7955 }
7956
7957 return (focus_child != NULL);
7958 }
7959
7960 /* This function returns in 'path' the first focusable path, if the given path
7961 * is already focusable, it's the returned one.
7962 */
7963 static gboolean
search_first_focusable_path(GtkTreeView * tree_view,GtkTreePath ** path,gboolean search_forward,GtkRBTree ** new_tree,GtkRBNode ** new_node)7964 search_first_focusable_path (GtkTreeView *tree_view,
7965 GtkTreePath **path,
7966 gboolean search_forward,
7967 GtkRBTree **new_tree,
7968 GtkRBNode **new_node)
7969 {
7970 GtkRBTree *tree = NULL;
7971 GtkRBNode *node = NULL;
7972
7973 if (!path || !*path)
7974 return FALSE;
7975
7976 _gtk_tree_view_find_node (tree_view, *path, &tree, &node);
7977
7978 if (!tree || !node)
7979 return FALSE;
7980
7981 while (node && row_is_separator (tree_view, NULL, *path))
7982 {
7983 if (search_forward)
7984 _gtk_rbtree_next_full (tree, node, &tree, &node);
7985 else
7986 _gtk_rbtree_prev_full (tree, node, &tree, &node);
7987
7988 if (*path)
7989 gtk_tree_path_free (*path);
7990
7991 if (node)
7992 *path = _gtk_tree_view_find_path (tree_view, tree, node);
7993 else
7994 *path = NULL;
7995 }
7996
7997 if (new_tree)
7998 *new_tree = tree;
7999
8000 if (new_node)
8001 *new_node = node;
8002
8003 return (*path != NULL);
8004 }
8005
8006 static gint
gtk_tree_view_focus(GtkWidget * widget,GtkDirectionType direction)8007 gtk_tree_view_focus (GtkWidget *widget,
8008 GtkDirectionType direction)
8009 {
8010 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
8011 GtkContainer *container = GTK_CONTAINER (widget);
8012 GtkWidget *focus_child;
8013
8014 if (!gtk_widget_is_sensitive (widget) || !gtk_widget_get_can_focus (widget))
8015 return FALSE;
8016
8017 focus_child = container->focus_child;
8018
8019 gtk_tree_view_stop_editing (GTK_TREE_VIEW (widget), FALSE);
8020 /* Case 1. Headers currently have focus. */
8021 if (focus_child)
8022 {
8023 switch (direction)
8024 {
8025 case GTK_DIR_LEFT:
8026 case GTK_DIR_RIGHT:
8027 gtk_tree_view_header_focus (tree_view, direction, TRUE);
8028 return TRUE;
8029 case GTK_DIR_TAB_BACKWARD:
8030 case GTK_DIR_UP:
8031 return FALSE;
8032 case GTK_DIR_TAB_FORWARD:
8033 case GTK_DIR_DOWN:
8034 gtk_widget_grab_focus (widget);
8035 return TRUE;
8036 default:
8037 g_assert_not_reached ();
8038 return FALSE;
8039 }
8040 }
8041
8042 /* Case 2. We don't have focus at all. */
8043 if (!gtk_widget_has_focus (widget))
8044 {
8045 gtk_widget_grab_focus (widget);
8046 return TRUE;
8047 }
8048
8049 /* Case 3. We have focus already. */
8050 if (direction == GTK_DIR_TAB_BACKWARD)
8051 return (gtk_tree_view_header_focus (tree_view, direction, FALSE));
8052 else if (direction == GTK_DIR_TAB_FORWARD)
8053 return FALSE;
8054
8055 /* Other directions caught by the keybindings */
8056 gtk_widget_grab_focus (widget);
8057 return TRUE;
8058 }
8059
8060 static void
gtk_tree_view_grab_focus(GtkWidget * widget)8061 gtk_tree_view_grab_focus (GtkWidget *widget)
8062 {
8063 GTK_WIDGET_CLASS (gtk_tree_view_parent_class)->grab_focus (widget);
8064
8065 gtk_tree_view_focus_to_cursor (GTK_TREE_VIEW (widget));
8066 }
8067
8068 static void
gtk_tree_view_style_set(GtkWidget * widget,GtkStyle * previous_style)8069 gtk_tree_view_style_set (GtkWidget *widget,
8070 GtkStyle *previous_style)
8071 {
8072 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
8073 GList *list;
8074 GtkTreeViewColumn *column;
8075
8076 if (gtk_widget_get_realized (widget))
8077 {
8078 gdk_window_set_back_pixmap (widget->window, NULL, FALSE);
8079 gdk_window_set_background (tree_view->priv->bin_window, &widget->style->base[widget->state]);
8080 gtk_style_set_background (widget->style, tree_view->priv->header_window, GTK_STATE_NORMAL);
8081
8082 gtk_tree_view_set_grid_lines (tree_view, tree_view->priv->grid_lines);
8083 gtk_tree_view_set_enable_tree_lines (tree_view, tree_view->priv->tree_lines_enabled);
8084 }
8085
8086 gtk_widget_style_get (widget,
8087 "expander-size", &tree_view->priv->expander_size,
8088 NULL);
8089 tree_view->priv->expander_size += EXPANDER_EXTRA_PADDING;
8090
8091 for (list = tree_view->priv->columns; list; list = list->next)
8092 {
8093 column = list->data;
8094 _gtk_tree_view_column_cell_set_dirty (column, TRUE);
8095 }
8096
8097 tree_view->priv->fixed_height = -1;
8098 _gtk_rbtree_mark_invalid (tree_view->priv->tree);
8099
8100 gtk_widget_queue_resize (widget);
8101 }
8102
8103
8104 static void
gtk_tree_view_set_focus_child(GtkContainer * container,GtkWidget * child)8105 gtk_tree_view_set_focus_child (GtkContainer *container,
8106 GtkWidget *child)
8107 {
8108 GtkTreeView *tree_view = GTK_TREE_VIEW (container);
8109 GList *list;
8110
8111 for (list = tree_view->priv->columns; list; list = list->next)
8112 {
8113 if (GTK_TREE_VIEW_COLUMN (list->data)->button == child)
8114 {
8115 tree_view->priv->focus_column = GTK_TREE_VIEW_COLUMN (list->data);
8116 break;
8117 }
8118 }
8119
8120 GTK_CONTAINER_CLASS (gtk_tree_view_parent_class)->set_focus_child (container, child);
8121 }
8122
8123 static void
gtk_tree_view_set_adjustments(GtkTreeView * tree_view,GtkAdjustment * hadj,GtkAdjustment * vadj)8124 gtk_tree_view_set_adjustments (GtkTreeView *tree_view,
8125 GtkAdjustment *hadj,
8126 GtkAdjustment *vadj)
8127 {
8128 gboolean need_adjust = FALSE;
8129
8130 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
8131
8132 if (hadj)
8133 g_return_if_fail (GTK_IS_ADJUSTMENT (hadj));
8134 else
8135 hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0));
8136 if (vadj)
8137 g_return_if_fail (GTK_IS_ADJUSTMENT (vadj));
8138 else
8139 vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0));
8140
8141 if (tree_view->priv->hadjustment && (tree_view->priv->hadjustment != hadj))
8142 {
8143 g_signal_handlers_disconnect_by_func (tree_view->priv->hadjustment,
8144 gtk_tree_view_adjustment_changed,
8145 tree_view);
8146 g_object_unref (tree_view->priv->hadjustment);
8147 }
8148
8149 if (tree_view->priv->vadjustment && (tree_view->priv->vadjustment != vadj))
8150 {
8151 g_signal_handlers_disconnect_by_func (tree_view->priv->vadjustment,
8152 gtk_tree_view_adjustment_changed,
8153 tree_view);
8154 g_object_unref (tree_view->priv->vadjustment);
8155 }
8156
8157 if (tree_view->priv->hadjustment != hadj)
8158 {
8159 tree_view->priv->hadjustment = hadj;
8160 g_object_ref_sink (tree_view->priv->hadjustment);
8161
8162 g_signal_connect (tree_view->priv->hadjustment, "value-changed",
8163 G_CALLBACK (gtk_tree_view_adjustment_changed),
8164 tree_view);
8165 need_adjust = TRUE;
8166 }
8167
8168 if (tree_view->priv->vadjustment != vadj)
8169 {
8170 tree_view->priv->vadjustment = vadj;
8171 g_object_ref_sink (tree_view->priv->vadjustment);
8172
8173 g_signal_connect (tree_view->priv->vadjustment, "value-changed",
8174 G_CALLBACK (gtk_tree_view_adjustment_changed),
8175 tree_view);
8176 need_adjust = TRUE;
8177 }
8178
8179 if (need_adjust)
8180 gtk_tree_view_adjustment_changed (NULL, tree_view);
8181 }
8182
8183
8184 static gboolean
gtk_tree_view_real_move_cursor(GtkTreeView * tree_view,GtkMovementStep step,gint count)8185 gtk_tree_view_real_move_cursor (GtkTreeView *tree_view,
8186 GtkMovementStep step,
8187 gint count)
8188 {
8189 GdkModifierType state;
8190
8191 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
8192 g_return_val_if_fail (step == GTK_MOVEMENT_LOGICAL_POSITIONS ||
8193 step == GTK_MOVEMENT_VISUAL_POSITIONS ||
8194 step == GTK_MOVEMENT_DISPLAY_LINES ||
8195 step == GTK_MOVEMENT_PAGES ||
8196 step == GTK_MOVEMENT_BUFFER_ENDS, FALSE);
8197
8198 if (tree_view->priv->tree == NULL)
8199 return FALSE;
8200 if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
8201 return FALSE;
8202
8203 gtk_tree_view_stop_editing (tree_view, FALSE);
8204 GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS);
8205 gtk_widget_grab_focus (GTK_WIDGET (tree_view));
8206
8207 if (gtk_get_current_event_state (&state))
8208 {
8209 if ((state & GTK_MODIFY_SELECTION_MOD_MASK) == GTK_MODIFY_SELECTION_MOD_MASK)
8210 tree_view->priv->modify_selection_pressed = TRUE;
8211 if ((state & GTK_EXTEND_SELECTION_MOD_MASK) == GTK_EXTEND_SELECTION_MOD_MASK)
8212 tree_view->priv->extend_selection_pressed = TRUE;
8213 }
8214 /* else we assume not pressed */
8215
8216 switch (step)
8217 {
8218 /* currently we make no distinction. When we go bi-di, we need to */
8219 case GTK_MOVEMENT_LOGICAL_POSITIONS:
8220 case GTK_MOVEMENT_VISUAL_POSITIONS:
8221 gtk_tree_view_move_cursor_left_right (tree_view, count);
8222 break;
8223 case GTK_MOVEMENT_DISPLAY_LINES:
8224 gtk_tree_view_move_cursor_up_down (tree_view, count);
8225 break;
8226 case GTK_MOVEMENT_PAGES:
8227 gtk_tree_view_move_cursor_page_up_down (tree_view, count);
8228 break;
8229 case GTK_MOVEMENT_BUFFER_ENDS:
8230 gtk_tree_view_move_cursor_start_end (tree_view, count);
8231 break;
8232 default:
8233 g_assert_not_reached ();
8234 }
8235
8236 tree_view->priv->modify_selection_pressed = FALSE;
8237 tree_view->priv->extend_selection_pressed = FALSE;
8238
8239 return TRUE;
8240 }
8241
8242 static void
gtk_tree_view_put(GtkTreeView * tree_view,GtkWidget * child_widget,gint x,gint y,gint width,gint height)8243 gtk_tree_view_put (GtkTreeView *tree_view,
8244 GtkWidget *child_widget,
8245 /* in bin_window coordinates */
8246 gint x,
8247 gint y,
8248 gint width,
8249 gint height)
8250 {
8251 GtkTreeViewChild *child;
8252
8253 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
8254 g_return_if_fail (GTK_IS_WIDGET (child_widget));
8255
8256 child = g_slice_new (GtkTreeViewChild);
8257
8258 child->widget = child_widget;
8259 child->x = x;
8260 child->y = y;
8261 child->width = width;
8262 child->height = height;
8263
8264 tree_view->priv->children = g_list_append (tree_view->priv->children, child);
8265
8266 if (gtk_widget_get_realized (GTK_WIDGET (tree_view)))
8267 gtk_widget_set_parent_window (child->widget, tree_view->priv->bin_window);
8268
8269 gtk_widget_set_parent (child_widget, GTK_WIDGET (tree_view));
8270 }
8271
8272 void
_gtk_tree_view_child_move_resize(GtkTreeView * tree_view,GtkWidget * widget,gint x,gint y,gint width,gint height)8273 _gtk_tree_view_child_move_resize (GtkTreeView *tree_view,
8274 GtkWidget *widget,
8275 /* in tree coordinates */
8276 gint x,
8277 gint y,
8278 gint width,
8279 gint height)
8280 {
8281 GtkTreeViewChild *child = NULL;
8282 GList *list;
8283 GdkRectangle allocation;
8284
8285 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
8286 g_return_if_fail (GTK_IS_WIDGET (widget));
8287
8288 for (list = tree_view->priv->children; list; list = list->next)
8289 {
8290 if (((GtkTreeViewChild *)list->data)->widget == widget)
8291 {
8292 child = list->data;
8293 break;
8294 }
8295 }
8296 if (child == NULL)
8297 return;
8298
8299 allocation.x = child->x = x;
8300 allocation.y = child->y = y;
8301 allocation.width = child->width = width;
8302 allocation.height = child->height = height;
8303
8304 if (gtk_widget_get_realized (widget))
8305 gtk_widget_size_allocate (widget, &allocation);
8306 }
8307
8308
8309 /* TreeModel Callbacks
8310 */
8311
8312 static void
gtk_tree_view_row_changed(GtkTreeModel * model,GtkTreePath * path,GtkTreeIter * iter,gpointer data)8313 gtk_tree_view_row_changed (GtkTreeModel *model,
8314 GtkTreePath *path,
8315 GtkTreeIter *iter,
8316 gpointer data)
8317 {
8318 GtkTreeView *tree_view = (GtkTreeView *)data;
8319 GtkRBTree *tree;
8320 GtkRBNode *node;
8321 gboolean free_path = FALSE;
8322 GList *list;
8323 GtkTreePath *cursor_path;
8324
8325 g_return_if_fail (path != NULL || iter != NULL);
8326
8327 if (tree_view->priv->cursor != NULL)
8328 cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
8329 else
8330 cursor_path = NULL;
8331
8332 if (tree_view->priv->edited_column &&
8333 (cursor_path == NULL || gtk_tree_path_compare (cursor_path, path) == 0))
8334 gtk_tree_view_stop_editing (tree_view, TRUE);
8335
8336 if (cursor_path != NULL)
8337 gtk_tree_path_free (cursor_path);
8338
8339 if (path == NULL)
8340 {
8341 path = gtk_tree_model_get_path (model, iter);
8342 free_path = TRUE;
8343 }
8344 else if (iter == NULL)
8345 gtk_tree_model_get_iter (model, iter, path);
8346
8347 if (_gtk_tree_view_find_node (tree_view,
8348 path,
8349 &tree,
8350 &node))
8351 /* We aren't actually showing the node */
8352 goto done;
8353
8354 if (tree == NULL)
8355 goto done;
8356
8357 if (tree_view->priv->fixed_height_mode
8358 && tree_view->priv->fixed_height >= 0)
8359 {
8360 _gtk_rbtree_node_set_height (tree, node, tree_view->priv->fixed_height);
8361 if (gtk_widget_get_realized (GTK_WIDGET (tree_view)))
8362 gtk_tree_view_node_queue_redraw (tree_view, tree, node);
8363 }
8364 else
8365 {
8366 _gtk_rbtree_node_mark_invalid (tree, node);
8367 for (list = tree_view->priv->columns; list; list = list->next)
8368 {
8369 GtkTreeViewColumn *column;
8370
8371 column = list->data;
8372 if (! column->visible)
8373 continue;
8374
8375 if (column->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
8376 {
8377 _gtk_tree_view_column_cell_set_dirty (column, TRUE);
8378 }
8379 }
8380 }
8381
8382 done:
8383 if (!tree_view->priv->fixed_height_mode &&
8384 gtk_widget_get_realized (GTK_WIDGET (tree_view)))
8385 install_presize_handler (tree_view);
8386 if (free_path)
8387 gtk_tree_path_free (path);
8388 }
8389
8390 static void
gtk_tree_view_row_inserted(GtkTreeModel * model,GtkTreePath * path,GtkTreeIter * iter,gpointer data)8391 gtk_tree_view_row_inserted (GtkTreeModel *model,
8392 GtkTreePath *path,
8393 GtkTreeIter *iter,
8394 gpointer data)
8395 {
8396 GtkTreeView *tree_view = (GtkTreeView *) data;
8397 gint *indices;
8398 GtkRBTree *tmptree, *tree;
8399 GtkRBNode *tmpnode = NULL;
8400 gint depth;
8401 gint i = 0;
8402 gint height;
8403 gboolean free_path = FALSE;
8404 gboolean node_visible = TRUE;
8405
8406 g_return_if_fail (path != NULL || iter != NULL);
8407
8408 if (tree_view->priv->fixed_height_mode
8409 && tree_view->priv->fixed_height >= 0)
8410 height = tree_view->priv->fixed_height;
8411 else
8412 height = 0;
8413
8414 if (path == NULL)
8415 {
8416 path = gtk_tree_model_get_path (model, iter);
8417 free_path = TRUE;
8418 }
8419 else if (iter == NULL)
8420 gtk_tree_model_get_iter (model, iter, path);
8421
8422 if (tree_view->priv->tree == NULL)
8423 tree_view->priv->tree = _gtk_rbtree_new ();
8424
8425 tmptree = tree = tree_view->priv->tree;
8426
8427 /* Update all row-references */
8428 gtk_tree_row_reference_inserted (G_OBJECT (data), path);
8429 depth = gtk_tree_path_get_depth (path);
8430 indices = gtk_tree_path_get_indices (path);
8431
8432 /* First, find the parent tree */
8433 while (i < depth - 1)
8434 {
8435 if (tmptree == NULL)
8436 {
8437 /* We aren't showing the node */
8438 node_visible = FALSE;
8439 goto done;
8440 }
8441
8442 tmpnode = _gtk_rbtree_find_count (tmptree, indices[i] + 1);
8443 if (tmpnode == NULL)
8444 {
8445 g_warning ("A node was inserted with a parent that's not in the tree.\n" \
8446 "This possibly means that a GtkTreeModel inserted a child node\n" \
8447 "before the parent was inserted.");
8448 goto done;
8449 }
8450 else if (!GTK_RBNODE_FLAG_SET (tmpnode, GTK_RBNODE_IS_PARENT))
8451 {
8452 /* FIXME enforce correct behavior on model, probably */
8453 /* In theory, the model should have emitted has_child_toggled here. We
8454 * try to catch it anyway, just to be safe, in case the model hasn't.
8455 */
8456 GtkTreePath *tmppath = _gtk_tree_view_find_path (tree_view,
8457 tree,
8458 tmpnode);
8459 gtk_tree_view_row_has_child_toggled (model, tmppath, NULL, data);
8460 gtk_tree_path_free (tmppath);
8461 goto done;
8462 }
8463
8464 tmptree = tmpnode->children;
8465 tree = tmptree;
8466 i++;
8467 }
8468
8469 if (tree == NULL)
8470 {
8471 node_visible = FALSE;
8472 goto done;
8473 }
8474
8475 /* ref the node */
8476 gtk_tree_model_ref_node (tree_view->priv->model, iter);
8477 if (indices[depth - 1] == 0)
8478 {
8479 tmpnode = _gtk_rbtree_find_count (tree, 1);
8480 tmpnode = _gtk_rbtree_insert_before (tree, tmpnode, height, FALSE);
8481 }
8482 else
8483 {
8484 tmpnode = _gtk_rbtree_find_count (tree, indices[depth - 1]);
8485 tmpnode = _gtk_rbtree_insert_after (tree, tmpnode, height, FALSE);
8486 }
8487
8488 done:
8489 if (height > 0)
8490 {
8491 if (tree)
8492 _gtk_rbtree_node_mark_valid (tree, tmpnode);
8493
8494 if (node_visible && node_is_visible (tree_view, tree, tmpnode))
8495 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
8496 else
8497 gtk_widget_queue_resize_no_redraw (GTK_WIDGET (tree_view));
8498 }
8499 else
8500 install_presize_handler (tree_view);
8501 if (free_path)
8502 gtk_tree_path_free (path);
8503 }
8504
8505 static void
gtk_tree_view_row_has_child_toggled(GtkTreeModel * model,GtkTreePath * path,GtkTreeIter * iter,gpointer data)8506 gtk_tree_view_row_has_child_toggled (GtkTreeModel *model,
8507 GtkTreePath *path,
8508 GtkTreeIter *iter,
8509 gpointer data)
8510 {
8511 GtkTreeView *tree_view = (GtkTreeView *)data;
8512 GtkTreeIter real_iter;
8513 gboolean has_child;
8514 GtkRBTree *tree;
8515 GtkRBNode *node;
8516 gboolean free_path = FALSE;
8517
8518 g_return_if_fail (path != NULL || iter != NULL);
8519
8520 if (iter)
8521 real_iter = *iter;
8522
8523 if (path == NULL)
8524 {
8525 path = gtk_tree_model_get_path (model, iter);
8526 free_path = TRUE;
8527 }
8528 else if (iter == NULL)
8529 gtk_tree_model_get_iter (model, &real_iter, path);
8530
8531 if (_gtk_tree_view_find_node (tree_view,
8532 path,
8533 &tree,
8534 &node))
8535 /* We aren't actually showing the node */
8536 goto done;
8537
8538 if (tree == NULL)
8539 goto done;
8540
8541 has_child = gtk_tree_model_iter_has_child (model, &real_iter);
8542 /* Sanity check.
8543 */
8544 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT) == has_child)
8545 goto done;
8546
8547 if (has_child)
8548 GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_PARENT);
8549 else
8550 GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_PARENT);
8551
8552 if (has_child && GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IS_LIST))
8553 {
8554 GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IS_LIST);
8555 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS))
8556 {
8557 GList *list;
8558
8559 for (list = tree_view->priv->columns; list; list = list->next)
8560 if (GTK_TREE_VIEW_COLUMN (list->data)->visible)
8561 {
8562 GTK_TREE_VIEW_COLUMN (list->data)->dirty = TRUE;
8563 _gtk_tree_view_column_cell_set_dirty (GTK_TREE_VIEW_COLUMN (list->data), TRUE);
8564 break;
8565 }
8566 }
8567 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
8568 }
8569 else
8570 {
8571 _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL);
8572 }
8573
8574 done:
8575 if (free_path)
8576 gtk_tree_path_free (path);
8577 }
8578
8579 static void
count_children_helper(GtkRBTree * tree,GtkRBNode * node,gpointer data)8580 count_children_helper (GtkRBTree *tree,
8581 GtkRBNode *node,
8582 gpointer data)
8583 {
8584 if (node->children)
8585 _gtk_rbtree_traverse (node->children, node->children->root, G_POST_ORDER, count_children_helper, data);
8586 (*((gint *)data))++;
8587 }
8588
8589 static void
check_selection_helper(GtkRBTree * tree,GtkRBNode * node,gpointer data)8590 check_selection_helper (GtkRBTree *tree,
8591 GtkRBNode *node,
8592 gpointer data)
8593 {
8594 gint *value = (gint *)data;
8595
8596 *value = GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED);
8597
8598 if (node->children && !*value)
8599 _gtk_rbtree_traverse (node->children, node->children->root, G_POST_ORDER, check_selection_helper, data);
8600 }
8601
8602 static void
gtk_tree_view_row_deleted(GtkTreeModel * model,GtkTreePath * path,gpointer data)8603 gtk_tree_view_row_deleted (GtkTreeModel *model,
8604 GtkTreePath *path,
8605 gpointer data)
8606 {
8607 GtkTreeView *tree_view = (GtkTreeView *)data;
8608 GtkRBTree *tree;
8609 GtkRBNode *node;
8610 GList *list;
8611 gint selection_changed = FALSE;
8612
8613 g_return_if_fail (path != NULL);
8614
8615 gtk_tree_row_reference_deleted (G_OBJECT (data), path);
8616
8617 if (_gtk_tree_view_find_node (tree_view, path, &tree, &node))
8618 return;
8619
8620 if (tree == NULL)
8621 return;
8622
8623 /* check if the selection has been changed */
8624 _gtk_rbtree_traverse (tree, node, G_POST_ORDER,
8625 check_selection_helper, &selection_changed);
8626
8627 for (list = tree_view->priv->columns; list; list = list->next)
8628 if (((GtkTreeViewColumn *)list->data)->visible &&
8629 ((GtkTreeViewColumn *)list->data)->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
8630 _gtk_tree_view_column_cell_set_dirty ((GtkTreeViewColumn *)list->data, TRUE);
8631
8632 /* Ensure we don't have a dangling pointer to a dead node */
8633 ensure_unprelighted (tree_view);
8634
8635 /* Cancel editting if we've started */
8636 gtk_tree_view_stop_editing (tree_view, TRUE);
8637
8638 /* If we have a node expanded/collapsed timeout, remove it */
8639 remove_expand_collapse_timeout (tree_view);
8640
8641 if (tree_view->priv->destroy_count_func)
8642 {
8643 gint child_count = 0;
8644 if (node->children)
8645 _gtk_rbtree_traverse (node->children, node->children->root, G_POST_ORDER, count_children_helper, &child_count);
8646 tree_view->priv->destroy_count_func (tree_view, path, child_count, tree_view->priv->destroy_count_data);
8647 }
8648
8649 if (tree->root->count == 1)
8650 {
8651 if (tree_view->priv->tree == tree)
8652 tree_view->priv->tree = NULL;
8653
8654 _gtk_rbtree_remove (tree);
8655 }
8656 else
8657 {
8658 _gtk_rbtree_remove_node (tree, node);
8659 }
8660
8661 if (! gtk_tree_row_reference_valid (tree_view->priv->top_row))
8662 {
8663 gtk_tree_row_reference_free (tree_view->priv->top_row);
8664 tree_view->priv->top_row = NULL;
8665 }
8666
8667 install_scroll_sync_handler (tree_view);
8668
8669 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
8670
8671 if (selection_changed)
8672 g_signal_emit_by_name (tree_view->priv->selection, "changed");
8673 }
8674
8675 static void
gtk_tree_view_rows_reordered(GtkTreeModel * model,GtkTreePath * parent,GtkTreeIter * iter,gint * new_order,gpointer data)8676 gtk_tree_view_rows_reordered (GtkTreeModel *model,
8677 GtkTreePath *parent,
8678 GtkTreeIter *iter,
8679 gint *new_order,
8680 gpointer data)
8681 {
8682 GtkTreeView *tree_view = GTK_TREE_VIEW (data);
8683 GtkRBTree *tree;
8684 GtkRBNode *node;
8685 gint len;
8686
8687 len = gtk_tree_model_iter_n_children (model, iter);
8688
8689 if (len < 2)
8690 return;
8691
8692 gtk_tree_row_reference_reordered (G_OBJECT (data),
8693 parent,
8694 iter,
8695 new_order);
8696
8697 if (_gtk_tree_view_find_node (tree_view,
8698 parent,
8699 &tree,
8700 &node))
8701 return;
8702
8703 /* We need to special case the parent path */
8704 if (tree == NULL)
8705 tree = tree_view->priv->tree;
8706 else
8707 tree = node->children;
8708
8709 if (tree == NULL)
8710 return;
8711
8712 if (tree_view->priv->edited_column)
8713 gtk_tree_view_stop_editing (tree_view, TRUE);
8714
8715 /* we need to be unprelighted */
8716 ensure_unprelighted (tree_view);
8717
8718 /* clear the timeout */
8719 cancel_arrow_animation (tree_view);
8720
8721 _gtk_rbtree_reorder (tree, new_order, len);
8722
8723 gtk_widget_queue_draw (GTK_WIDGET (tree_view));
8724
8725 gtk_tree_view_dy_to_top_row (tree_view);
8726 }
8727
8728
8729 /* Internal tree functions
8730 */
8731
8732
8733 static void
gtk_tree_view_get_background_xrange(GtkTreeView * tree_view,GtkRBTree * tree,GtkTreeViewColumn * column,gint * x1,gint * x2)8734 gtk_tree_view_get_background_xrange (GtkTreeView *tree_view,
8735 GtkRBTree *tree,
8736 GtkTreeViewColumn *column,
8737 gint *x1,
8738 gint *x2)
8739 {
8740 GtkTreeViewColumn *tmp_column = NULL;
8741 gint total_width;
8742 GList *list;
8743 gboolean rtl;
8744
8745 if (x1)
8746 *x1 = 0;
8747
8748 if (x2)
8749 *x2 = 0;
8750
8751 rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
8752
8753 total_width = 0;
8754 for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
8755 list;
8756 list = (rtl ? list->prev : list->next))
8757 {
8758 tmp_column = list->data;
8759
8760 if (tmp_column == column)
8761 break;
8762
8763 if (tmp_column->visible)
8764 total_width += tmp_column->width;
8765 }
8766
8767 if (tmp_column != column)
8768 {
8769 g_warning (G_STRLOC": passed-in column isn't in the tree");
8770 return;
8771 }
8772
8773 if (x1)
8774 *x1 = total_width;
8775
8776 if (x2)
8777 {
8778 if (column->visible)
8779 *x2 = total_width + column->width;
8780 else
8781 *x2 = total_width; /* width of 0 */
8782 }
8783 }
8784 static void
gtk_tree_view_get_arrow_xrange(GtkTreeView * tree_view,GtkRBTree * tree,gint * x1,gint * x2)8785 gtk_tree_view_get_arrow_xrange (GtkTreeView *tree_view,
8786 GtkRBTree *tree,
8787 gint *x1,
8788 gint *x2)
8789 {
8790 gint x_offset = 0;
8791 GList *list;
8792 GtkTreeViewColumn *tmp_column = NULL;
8793 gint total_width;
8794 gboolean indent_expanders;
8795 gboolean rtl;
8796
8797 rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
8798
8799 total_width = 0;
8800 for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
8801 list;
8802 list = (rtl ? list->prev : list->next))
8803 {
8804 tmp_column = list->data;
8805
8806 if (gtk_tree_view_is_expander_column (tree_view, tmp_column))
8807 {
8808 if (rtl)
8809 x_offset = total_width + tmp_column->width - tree_view->priv->expander_size;
8810 else
8811 x_offset = total_width;
8812 break;
8813 }
8814
8815 if (tmp_column->visible)
8816 total_width += tmp_column->width;
8817 }
8818
8819 gtk_widget_style_get (GTK_WIDGET (tree_view),
8820 "indent-expanders", &indent_expanders,
8821 NULL);
8822
8823 if (indent_expanders)
8824 {
8825 if (rtl)
8826 x_offset -= tree_view->priv->expander_size * _gtk_rbtree_get_depth (tree);
8827 else
8828 x_offset += tree_view->priv->expander_size * _gtk_rbtree_get_depth (tree);
8829 }
8830
8831 *x1 = x_offset;
8832
8833 if (tmp_column && tmp_column->visible)
8834 /* +1 because x2 isn't included in the range. */
8835 *x2 = *x1 + tree_view->priv->expander_size + 1;
8836 else
8837 *x2 = *x1;
8838 }
8839
8840 static void
gtk_tree_view_build_tree(GtkTreeView * tree_view,GtkRBTree * tree,GtkTreeIter * iter,gint depth,gboolean recurse)8841 gtk_tree_view_build_tree (GtkTreeView *tree_view,
8842 GtkRBTree *tree,
8843 GtkTreeIter *iter,
8844 gint depth,
8845 gboolean recurse)
8846 {
8847 GtkRBNode *temp = NULL;
8848 GtkTreePath *path = NULL;
8849 gboolean is_list = GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IS_LIST);
8850
8851 do
8852 {
8853 gtk_tree_model_ref_node (tree_view->priv->model, iter);
8854 temp = _gtk_rbtree_insert_after (tree, temp, 0, FALSE);
8855
8856 if (tree_view->priv->fixed_height > 0)
8857 {
8858 if (GTK_RBNODE_FLAG_SET (temp, GTK_RBNODE_INVALID))
8859 {
8860 _gtk_rbtree_node_set_height (tree, temp, tree_view->priv->fixed_height);
8861 _gtk_rbtree_node_mark_valid (tree, temp);
8862 }
8863 }
8864
8865 if (is_list)
8866 continue;
8867
8868 if (recurse)
8869 {
8870 GtkTreeIter child;
8871
8872 if (!path)
8873 path = gtk_tree_model_get_path (tree_view->priv->model, iter);
8874 else
8875 gtk_tree_path_next (path);
8876
8877 if (gtk_tree_model_iter_children (tree_view->priv->model, &child, iter))
8878 {
8879 gboolean expand;
8880
8881 g_signal_emit (tree_view, tree_view_signals[TEST_EXPAND_ROW], 0, iter, path, &expand);
8882
8883 if (gtk_tree_model_iter_has_child (tree_view->priv->model, iter)
8884 && !expand)
8885 {
8886 temp->children = _gtk_rbtree_new ();
8887 temp->children->parent_tree = tree;
8888 temp->children->parent_node = temp;
8889 gtk_tree_view_build_tree (tree_view, temp->children, &child, depth + 1, recurse);
8890 }
8891 }
8892 }
8893
8894 if (gtk_tree_model_iter_has_child (tree_view->priv->model, iter))
8895 {
8896 if ((temp->flags>K_RBNODE_IS_PARENT) != GTK_RBNODE_IS_PARENT)
8897 temp->flags ^= GTK_RBNODE_IS_PARENT;
8898 }
8899 }
8900 while (gtk_tree_model_iter_next (tree_view->priv->model, iter));
8901
8902 if (path)
8903 gtk_tree_path_free (path);
8904 }
8905
8906 /* Make sure the node is visible vertically */
8907 static void
gtk_tree_view_clamp_node_visible(GtkTreeView * tree_view,GtkRBTree * tree,GtkRBNode * node)8908 gtk_tree_view_clamp_node_visible (GtkTreeView *tree_view,
8909 GtkRBTree *tree,
8910 GtkRBNode *node)
8911 {
8912 gint node_dy, height;
8913 GtkTreePath *path = NULL;
8914
8915 if (!gtk_widget_get_realized (GTK_WIDGET (tree_view)))
8916 return;
8917
8918 /* just return if the node is visible, avoiding a costly expose */
8919 node_dy = _gtk_rbtree_node_find_offset (tree, node);
8920 height = ROW_HEIGHT (tree_view, GTK_RBNODE_GET_HEIGHT (node));
8921 if (! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID)
8922 && node_dy >= tree_view->priv->vadjustment->value
8923 && node_dy + height <= (tree_view->priv->vadjustment->value
8924 + tree_view->priv->vadjustment->page_size))
8925 return;
8926
8927 path = _gtk_tree_view_find_path (tree_view, tree, node);
8928 if (path)
8929 {
8930 /* We process updates because we want to clear old selected items when we scroll.
8931 * if this is removed, we get a "selection streak" at the bottom. */
8932 gdk_window_process_updates (tree_view->priv->bin_window, TRUE);
8933 gtk_tree_view_scroll_to_cell (tree_view, path, NULL, FALSE, 0.0, 0.0);
8934 gtk_tree_path_free (path);
8935 }
8936 }
8937
8938 static void
gtk_tree_view_clamp_column_visible(GtkTreeView * tree_view,GtkTreeViewColumn * column,gboolean focus_to_cell)8939 gtk_tree_view_clamp_column_visible (GtkTreeView *tree_view,
8940 GtkTreeViewColumn *column,
8941 gboolean focus_to_cell)
8942 {
8943 gint x, width;
8944
8945 if (column == NULL)
8946 return;
8947
8948 x = column->button->allocation.x;
8949 width = column->button->allocation.width;
8950
8951 if (width > tree_view->priv->hadjustment->page_size)
8952 {
8953 /* The column is larger than the horizontal page size. If the
8954 * column has cells which can be focussed individually, then we make
8955 * sure the cell which gets focus is fully visible (if even the
8956 * focus cell is bigger than the page size, we make sure the
8957 * left-hand side of the cell is visible).
8958 *
8959 * If the column does not have those so-called special cells, we
8960 * make sure the left-hand side of the column is visible.
8961 */
8962
8963 if (focus_to_cell && gtk_tree_view_has_special_cell (tree_view))
8964 {
8965 GtkTreePath *cursor_path;
8966 GdkRectangle background_area, cell_area, focus_area;
8967
8968 cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
8969
8970 gtk_tree_view_get_cell_area (tree_view,
8971 cursor_path, column, &cell_area);
8972 gtk_tree_view_get_background_area (tree_view,
8973 cursor_path, column,
8974 &background_area);
8975
8976 gtk_tree_path_free (cursor_path);
8977
8978 _gtk_tree_view_column_get_focus_area (column,
8979 &background_area,
8980 &cell_area,
8981 &focus_area);
8982
8983 x = focus_area.x;
8984 width = focus_area.width;
8985
8986 if (width < tree_view->priv->hadjustment->page_size)
8987 {
8988 if ((tree_view->priv->hadjustment->value + tree_view->priv->hadjustment->page_size) < (x + width))
8989 gtk_adjustment_set_value (tree_view->priv->hadjustment,
8990 x + width - tree_view->priv->hadjustment->page_size);
8991 else if (tree_view->priv->hadjustment->value > x)
8992 gtk_adjustment_set_value (tree_view->priv->hadjustment, x);
8993 }
8994 }
8995
8996 gtk_adjustment_set_value (tree_view->priv->hadjustment,
8997 CLAMP (x,
8998 tree_view->priv->hadjustment->lower,
8999 tree_view->priv->hadjustment->upper
9000 - tree_view->priv->hadjustment->page_size));
9001 }
9002 else
9003 {
9004 if ((tree_view->priv->hadjustment->value + tree_view->priv->hadjustment->page_size) < (x + width))
9005 gtk_adjustment_set_value (tree_view->priv->hadjustment,
9006 x + width - tree_view->priv->hadjustment->page_size);
9007 else if (tree_view->priv->hadjustment->value > x)
9008 gtk_adjustment_set_value (tree_view->priv->hadjustment, x);
9009 }
9010 }
9011
9012 /* This function could be more efficient. I'll optimize it if profiling seems
9013 * to imply that it is important */
9014 GtkTreePath *
_gtk_tree_view_find_path(GtkTreeView * tree_view,GtkRBTree * tree,GtkRBNode * node)9015 _gtk_tree_view_find_path (GtkTreeView *tree_view,
9016 GtkRBTree *tree,
9017 GtkRBNode *node)
9018 {
9019 GtkTreePath *path;
9020 GtkRBTree *tmp_tree;
9021 GtkRBNode *tmp_node, *last;
9022 gint count;
9023
9024 path = gtk_tree_path_new ();
9025
9026 g_return_val_if_fail (node != NULL, path);
9027 g_return_val_if_fail (node != tree->nil, path);
9028
9029 count = 1 + node->left->count;
9030
9031 last = node;
9032 tmp_node = node->parent;
9033 tmp_tree = tree;
9034 while (tmp_tree)
9035 {
9036 while (tmp_node != tmp_tree->nil)
9037 {
9038 if (tmp_node->right == last)
9039 count += 1 + tmp_node->left->count;
9040 last = tmp_node;
9041 tmp_node = tmp_node->parent;
9042 }
9043 gtk_tree_path_prepend_index (path, count - 1);
9044 last = tmp_tree->parent_node;
9045 tmp_tree = tmp_tree->parent_tree;
9046 if (last)
9047 {
9048 count = 1 + last->left->count;
9049 tmp_node = last->parent;
9050 }
9051 }
9052 return path;
9053 }
9054
9055 /* Returns TRUE if we ran out of tree before finding the path. If the path is
9056 * invalid (ie. points to a node that's not in the tree), *tree and *node are
9057 * both set to NULL.
9058 */
9059 gboolean
_gtk_tree_view_find_node(GtkTreeView * tree_view,GtkTreePath * path,GtkRBTree ** tree,GtkRBNode ** node)9060 _gtk_tree_view_find_node (GtkTreeView *tree_view,
9061 GtkTreePath *path,
9062 GtkRBTree **tree,
9063 GtkRBNode **node)
9064 {
9065 GtkRBNode *tmpnode = NULL;
9066 GtkRBTree *tmptree = tree_view->priv->tree;
9067 gint *indices = gtk_tree_path_get_indices (path);
9068 gint depth = gtk_tree_path_get_depth (path);
9069 gint i = 0;
9070
9071 *node = NULL;
9072 *tree = NULL;
9073
9074 if (depth == 0 || tmptree == NULL)
9075 return FALSE;
9076 do
9077 {
9078 tmpnode = _gtk_rbtree_find_count (tmptree, indices[i] + 1);
9079 ++i;
9080 if (tmpnode == NULL)
9081 {
9082 *tree = NULL;
9083 *node = NULL;
9084 return FALSE;
9085 }
9086 if (i >= depth)
9087 {
9088 *tree = tmptree;
9089 *node = tmpnode;
9090 return FALSE;
9091 }
9092 *tree = tmptree;
9093 *node = tmpnode;
9094 tmptree = tmpnode->children;
9095 if (tmptree == NULL)
9096 return TRUE;
9097 }
9098 while (1);
9099 }
9100
9101 static gboolean
gtk_tree_view_is_expander_column(GtkTreeView * tree_view,GtkTreeViewColumn * column)9102 gtk_tree_view_is_expander_column (GtkTreeView *tree_view,
9103 GtkTreeViewColumn *column)
9104 {
9105 GList *list;
9106
9107 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IS_LIST))
9108 return FALSE;
9109
9110 if (tree_view->priv->expander_column != NULL)
9111 {
9112 if (tree_view->priv->expander_column == column)
9113 return TRUE;
9114 return FALSE;
9115 }
9116 else
9117 {
9118 for (list = tree_view->priv->columns;
9119 list;
9120 list = list->next)
9121 if (((GtkTreeViewColumn *)list->data)->visible)
9122 break;
9123 if (list && list->data == column)
9124 return TRUE;
9125 }
9126 return FALSE;
9127 }
9128
9129 static void
gtk_tree_view_add_move_binding(GtkBindingSet * binding_set,guint keyval,guint modmask,gboolean add_shifted_binding,GtkMovementStep step,gint count)9130 gtk_tree_view_add_move_binding (GtkBindingSet *binding_set,
9131 guint keyval,
9132 guint modmask,
9133 gboolean add_shifted_binding,
9134 GtkMovementStep step,
9135 gint count)
9136 {
9137
9138 gtk_binding_entry_add_signal (binding_set, keyval, modmask,
9139 "move-cursor", 2,
9140 G_TYPE_ENUM, step,
9141 G_TYPE_INT, count);
9142
9143 if (add_shifted_binding)
9144 gtk_binding_entry_add_signal (binding_set, keyval, GDK_SHIFT_MASK,
9145 "move-cursor", 2,
9146 G_TYPE_ENUM, step,
9147 G_TYPE_INT, count);
9148
9149 if ((modmask & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
9150 return;
9151
9152 gtk_binding_entry_add_signal (binding_set, keyval, GDK_CONTROL_MASK | GDK_SHIFT_MASK,
9153 "move-cursor", 2,
9154 G_TYPE_ENUM, step,
9155 G_TYPE_INT, count);
9156
9157 gtk_binding_entry_add_signal (binding_set, keyval, GDK_CONTROL_MASK,
9158 "move-cursor", 2,
9159 G_TYPE_ENUM, step,
9160 G_TYPE_INT, count);
9161 }
9162
9163 static gint
gtk_tree_view_unref_tree_helper(GtkTreeModel * model,GtkTreeIter * iter,GtkRBTree * tree,GtkRBNode * node)9164 gtk_tree_view_unref_tree_helper (GtkTreeModel *model,
9165 GtkTreeIter *iter,
9166 GtkRBTree *tree,
9167 GtkRBNode *node)
9168 {
9169 gint retval = FALSE;
9170 do
9171 {
9172 g_return_val_if_fail (node != NULL, FALSE);
9173
9174 if (node->children)
9175 {
9176 GtkTreeIter child;
9177 GtkRBTree *new_tree;
9178 GtkRBNode *new_node;
9179
9180 new_tree = node->children;
9181 new_node = new_tree->root;
9182
9183 while (new_node && new_node->left != new_tree->nil)
9184 new_node = new_node->left;
9185
9186 if (!gtk_tree_model_iter_children (model, &child, iter))
9187 return FALSE;
9188
9189 retval = retval || gtk_tree_view_unref_tree_helper (model, &child, new_tree, new_node);
9190 }
9191
9192 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
9193 retval = TRUE;
9194 gtk_tree_model_unref_node (model, iter);
9195 node = _gtk_rbtree_next (tree, node);
9196 }
9197 while (gtk_tree_model_iter_next (model, iter));
9198
9199 return retval;
9200 }
9201
9202 static gint
gtk_tree_view_unref_and_check_selection_tree(GtkTreeView * tree_view,GtkRBTree * tree)9203 gtk_tree_view_unref_and_check_selection_tree (GtkTreeView *tree_view,
9204 GtkRBTree *tree)
9205 {
9206 GtkTreeIter iter;
9207 GtkTreePath *path;
9208 GtkRBNode *node;
9209 gint retval;
9210
9211 if (!tree)
9212 return FALSE;
9213
9214 node = tree->root;
9215 while (node && node->left != tree->nil)
9216 node = node->left;
9217
9218 g_return_val_if_fail (node != NULL, FALSE);
9219 path = _gtk_tree_view_find_path (tree_view, tree, node);
9220 gtk_tree_model_get_iter (GTK_TREE_MODEL (tree_view->priv->model),
9221 &iter, path);
9222 retval = gtk_tree_view_unref_tree_helper (GTK_TREE_MODEL (tree_view->priv->model), &iter, tree, node);
9223 gtk_tree_path_free (path);
9224
9225 return retval;
9226 }
9227
9228 static void
gtk_tree_view_set_column_drag_info(GtkTreeView * tree_view,GtkTreeViewColumn * column)9229 gtk_tree_view_set_column_drag_info (GtkTreeView *tree_view,
9230 GtkTreeViewColumn *column)
9231 {
9232 GtkTreeViewColumn *left_column;
9233 GtkTreeViewColumn *cur_column = NULL;
9234 GtkTreeViewColumnReorder *reorder;
9235 gboolean rtl;
9236 GList *tmp_list;
9237 gint left;
9238
9239 /* We want to precalculate the motion list such that we know what column slots
9240 * are available.
9241 */
9242 left_column = NULL;
9243 rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
9244
9245 /* First, identify all possible drop spots */
9246 if (rtl)
9247 tmp_list = g_list_last (tree_view->priv->columns);
9248 else
9249 tmp_list = g_list_first (tree_view->priv->columns);
9250
9251 while (tmp_list)
9252 {
9253 cur_column = GTK_TREE_VIEW_COLUMN (tmp_list->data);
9254 tmp_list = rtl?g_list_previous (tmp_list):g_list_next (tmp_list);
9255
9256 if (cur_column->visible == FALSE)
9257 continue;
9258
9259 /* If it's not the column moving and func tells us to skip over the column, we continue. */
9260 if (left_column != column && cur_column != column &&
9261 tree_view->priv->column_drop_func &&
9262 ! tree_view->priv->column_drop_func (tree_view, column, left_column, cur_column, tree_view->priv->column_drop_func_data))
9263 {
9264 left_column = cur_column;
9265 continue;
9266 }
9267 reorder = g_slice_new0 (GtkTreeViewColumnReorder);
9268 reorder->left_column = left_column;
9269 left_column = reorder->right_column = cur_column;
9270
9271 tree_view->priv->column_drag_info = g_list_append (tree_view->priv->column_drag_info, reorder);
9272 }
9273
9274 /* Add the last one */
9275 if (tree_view->priv->column_drop_func == NULL ||
9276 ((left_column != column) &&
9277 tree_view->priv->column_drop_func (tree_view, column, left_column, NULL, tree_view->priv->column_drop_func_data)))
9278 {
9279 reorder = g_slice_new0 (GtkTreeViewColumnReorder);
9280 reorder->left_column = left_column;
9281 reorder->right_column = NULL;
9282 tree_view->priv->column_drag_info = g_list_append (tree_view->priv->column_drag_info, reorder);
9283 }
9284
9285 /* We quickly check to see if it even makes sense to reorder columns. */
9286 /* If there is nothing that can be moved, then we return */
9287
9288 if (tree_view->priv->column_drag_info == NULL)
9289 return;
9290
9291 /* We know there are always 2 slots possbile, as you can always return column. */
9292 /* If that's all there is, return */
9293 if (tree_view->priv->column_drag_info->next == NULL ||
9294 (tree_view->priv->column_drag_info->next->next == NULL &&
9295 ((GtkTreeViewColumnReorder *)tree_view->priv->column_drag_info->data)->right_column == column &&
9296 ((GtkTreeViewColumnReorder *)tree_view->priv->column_drag_info->next->data)->left_column == column))
9297 {
9298 for (tmp_list = tree_view->priv->column_drag_info; tmp_list; tmp_list = tmp_list->next)
9299 g_slice_free (GtkTreeViewColumnReorder, tmp_list->data);
9300 g_list_free (tree_view->priv->column_drag_info);
9301 tree_view->priv->column_drag_info = NULL;
9302 return;
9303 }
9304 /* We fill in the ranges for the columns, now that we've isolated them */
9305 left = - TREE_VIEW_COLUMN_DRAG_DEAD_MULTIPLIER (tree_view);
9306
9307 for (tmp_list = tree_view->priv->column_drag_info; tmp_list; tmp_list = tmp_list->next)
9308 {
9309 reorder = (GtkTreeViewColumnReorder *) tmp_list->data;
9310
9311 reorder->left_align = left;
9312 if (tmp_list->next != NULL)
9313 {
9314 g_assert (tmp_list->next->data);
9315 left = reorder->right_align = (reorder->right_column->button->allocation.x +
9316 reorder->right_column->button->allocation.width +
9317 ((GtkTreeViewColumnReorder *)tmp_list->next->data)->left_column->button->allocation.x)/2;
9318 }
9319 else
9320 {
9321 gint width;
9322
9323 width = gdk_window_get_width (tree_view->priv->header_window);
9324 reorder->right_align = width + TREE_VIEW_COLUMN_DRAG_DEAD_MULTIPLIER (tree_view);
9325 }
9326 }
9327 }
9328
9329 void
_gtk_tree_view_column_start_drag(GtkTreeView * tree_view,GtkTreeViewColumn * column)9330 _gtk_tree_view_column_start_drag (GtkTreeView *tree_view,
9331 GtkTreeViewColumn *column)
9332 {
9333 GdkEvent *send_event;
9334 GtkAllocation allocation;
9335 gint x, y, width, height;
9336 GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (tree_view));
9337 GdkDisplay *display = gdk_screen_get_display (screen);
9338
9339 g_return_if_fail (tree_view->priv->column_drag_info == NULL);
9340 g_return_if_fail (tree_view->priv->cur_reorder == NULL);
9341
9342 gtk_tree_view_set_column_drag_info (tree_view, column);
9343
9344 if (tree_view->priv->column_drag_info == NULL)
9345 return;
9346
9347 if (tree_view->priv->drag_window == NULL)
9348 {
9349 GdkWindowAttr attributes;
9350 guint attributes_mask;
9351
9352 attributes.window_type = GDK_WINDOW_CHILD;
9353 attributes.wclass = GDK_INPUT_OUTPUT;
9354 attributes.x = column->button->allocation.x;
9355 attributes.y = 0;
9356 attributes.width = column->button->allocation.width;
9357 attributes.height = column->button->allocation.height;
9358 attributes.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view));
9359 attributes.colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_view));
9360 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK;
9361 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
9362
9363 tree_view->priv->drag_window = gdk_window_new (tree_view->priv->bin_window,
9364 &attributes,
9365 attributes_mask);
9366 gdk_window_set_user_data (tree_view->priv->drag_window, GTK_WIDGET (tree_view));
9367 }
9368
9369 gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME);
9370 gdk_display_keyboard_ungrab (display, GDK_CURRENT_TIME);
9371
9372 gtk_grab_remove (column->button);
9373
9374 send_event = gdk_event_new (GDK_LEAVE_NOTIFY);
9375 send_event->crossing.send_event = TRUE;
9376 send_event->crossing.window = g_object_ref (GTK_BUTTON (column->button)->event_window);
9377 send_event->crossing.subwindow = NULL;
9378 send_event->crossing.detail = GDK_NOTIFY_ANCESTOR;
9379 send_event->crossing.time = GDK_CURRENT_TIME;
9380
9381 gtk_propagate_event (column->button, send_event);
9382 gdk_event_free (send_event);
9383
9384 send_event = gdk_event_new (GDK_BUTTON_RELEASE);
9385 send_event->button.window = g_object_ref (gdk_screen_get_root_window (screen));
9386 send_event->button.send_event = TRUE;
9387 send_event->button.time = GDK_CURRENT_TIME;
9388 send_event->button.x = -1;
9389 send_event->button.y = -1;
9390 send_event->button.axes = NULL;
9391 send_event->button.state = 0;
9392 send_event->button.button = 1;
9393 send_event->button.device = gdk_display_get_core_pointer (display);
9394 send_event->button.x_root = 0;
9395 send_event->button.y_root = 0;
9396
9397 gtk_propagate_event (column->button, send_event);
9398 gdk_event_free (send_event);
9399
9400 /* Kids, don't try this at home */
9401 g_object_ref (column->button);
9402 gtk_container_remove (GTK_CONTAINER (tree_view), column->button);
9403 gtk_widget_set_parent_window (column->button, tree_view->priv->drag_window);
9404 gtk_widget_set_parent (column->button, GTK_WIDGET (tree_view));
9405 g_object_unref (column->button);
9406
9407 tree_view->priv->drag_column_x = column->button->allocation.x;
9408 allocation = column->button->allocation;
9409 allocation.x = 0;
9410 gtk_widget_size_allocate (column->button, &allocation);
9411 gtk_widget_set_parent_window (column->button, tree_view->priv->drag_window);
9412
9413 tree_view->priv->drag_column = column;
9414 gdk_window_show (tree_view->priv->drag_window);
9415
9416 gdk_window_get_origin (tree_view->priv->header_window, &x, &y);
9417 width = gdk_window_get_width (tree_view->priv->header_window);
9418 height = gdk_window_get_height (tree_view->priv->header_window);
9419
9420 gtk_widget_grab_focus (GTK_WIDGET (tree_view));
9421 while (gtk_events_pending ())
9422 gtk_main_iteration ();
9423
9424 GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_IN_COLUMN_DRAG);
9425 gdk_pointer_grab (tree_view->priv->drag_window,
9426 FALSE,
9427 GDK_POINTER_MOTION_MASK|GDK_BUTTON_RELEASE_MASK,
9428 NULL, NULL, GDK_CURRENT_TIME);
9429 gdk_keyboard_grab (tree_view->priv->drag_window,
9430 FALSE,
9431 GDK_CURRENT_TIME);
9432 }
9433
9434 static void
gtk_tree_view_queue_draw_arrow(GtkTreeView * tree_view,GtkRBTree * tree,GtkRBNode * node,const GdkRectangle * clip_rect)9435 gtk_tree_view_queue_draw_arrow (GtkTreeView *tree_view,
9436 GtkRBTree *tree,
9437 GtkRBNode *node,
9438 const GdkRectangle *clip_rect)
9439 {
9440 GdkRectangle rect;
9441
9442 if (!gtk_widget_get_realized (GTK_WIDGET (tree_view)))
9443 return;
9444
9445 rect.x = 0;
9446 rect.width = MAX (tree_view->priv->expander_size, MAX (tree_view->priv->width, GTK_WIDGET (tree_view)->allocation.width));
9447
9448 rect.y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node);
9449 rect.height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
9450
9451 if (clip_rect)
9452 {
9453 GdkRectangle new_rect;
9454
9455 gdk_rectangle_intersect (clip_rect, &rect, &new_rect);
9456
9457 gdk_window_invalidate_rect (tree_view->priv->bin_window, &new_rect, TRUE);
9458 }
9459 else
9460 {
9461 gdk_window_invalidate_rect (tree_view->priv->bin_window, &rect, TRUE);
9462 }
9463 }
9464
9465 void
_gtk_tree_view_queue_draw_node(GtkTreeView * tree_view,GtkRBTree * tree,GtkRBNode * node,const GdkRectangle * clip_rect)9466 _gtk_tree_view_queue_draw_node (GtkTreeView *tree_view,
9467 GtkRBTree *tree,
9468 GtkRBNode *node,
9469 const GdkRectangle *clip_rect)
9470 {
9471 GdkRectangle rect;
9472
9473 if (!gtk_widget_get_realized (GTK_WIDGET (tree_view)))
9474 return;
9475
9476 rect.x = 0;
9477 rect.width = MAX (tree_view->priv->width, GTK_WIDGET (tree_view)->allocation.width);
9478
9479 rect.y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node);
9480 rect.height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
9481
9482 if (clip_rect)
9483 {
9484 GdkRectangle new_rect;
9485
9486 gdk_rectangle_intersect (clip_rect, &rect, &new_rect);
9487
9488 gdk_window_invalidate_rect (tree_view->priv->bin_window, &new_rect, TRUE);
9489 }
9490 else
9491 {
9492 gdk_window_invalidate_rect (tree_view->priv->bin_window, &rect, TRUE);
9493 }
9494 }
9495
9496 static void
gtk_tree_view_queue_draw_path(GtkTreeView * tree_view,GtkTreePath * path,const GdkRectangle * clip_rect)9497 gtk_tree_view_queue_draw_path (GtkTreeView *tree_view,
9498 GtkTreePath *path,
9499 const GdkRectangle *clip_rect)
9500 {
9501 GtkRBTree *tree = NULL;
9502 GtkRBNode *node = NULL;
9503
9504 _gtk_tree_view_find_node (tree_view, path, &tree, &node);
9505
9506 if (tree)
9507 _gtk_tree_view_queue_draw_node (tree_view, tree, node, clip_rect);
9508 }
9509
9510 /* x and y are the mouse position
9511 */
9512 static void
gtk_tree_view_draw_arrow(GtkTreeView * tree_view,GtkRBTree * tree,GtkRBNode * node,gint x,gint y)9513 gtk_tree_view_draw_arrow (GtkTreeView *tree_view,
9514 GtkRBTree *tree,
9515 GtkRBNode *node,
9516 /* in bin_window coordinates */
9517 gint x,
9518 gint y)
9519 {
9520 GdkRectangle area;
9521 GtkStateType state;
9522 GtkWidget *widget;
9523 gint x_offset = 0;
9524 gint x2;
9525 gint vertical_separator;
9526 gint expander_size;
9527 GtkExpanderStyle expander_style;
9528
9529 widget = GTK_WIDGET (tree_view);
9530
9531 gtk_widget_style_get (widget,
9532 "vertical-separator", &vertical_separator,
9533 NULL);
9534 expander_size = tree_view->priv->expander_size - EXPANDER_EXTRA_PADDING;
9535
9536 if (! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT))
9537 return;
9538
9539 gtk_tree_view_get_arrow_xrange (tree_view, tree, &x_offset, &x2);
9540
9541 area.x = x_offset;
9542 area.y = CELL_FIRST_PIXEL (tree_view, tree, node, vertical_separator);
9543 area.width = expander_size + 2;
9544 area.height = MAX (CELL_HEIGHT (node, vertical_separator), (expander_size - vertical_separator));
9545
9546 if (gtk_widget_get_state (widget) == GTK_STATE_INSENSITIVE)
9547 {
9548 state = GTK_STATE_INSENSITIVE;
9549 }
9550 else if (node == tree_view->priv->button_pressed_node)
9551 {
9552 if (x >= area.x && x <= (area.x + area.width) &&
9553 y >= area.y && y <= (area.y + area.height))
9554 state = GTK_STATE_ACTIVE;
9555 else
9556 state = GTK_STATE_NORMAL;
9557 }
9558 else
9559 {
9560 if (node == tree_view->priv->prelight_node &&
9561 GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_ARROW_PRELIT))
9562 state = GTK_STATE_PRELIGHT;
9563 else
9564 state = GTK_STATE_NORMAL;
9565 }
9566
9567 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_EXPANDED))
9568 expander_style = GTK_EXPANDER_SEMI_EXPANDED;
9569 else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_COLLAPSED))
9570 expander_style = GTK_EXPANDER_SEMI_COLLAPSED;
9571 else if (node->children != NULL)
9572 expander_style = GTK_EXPANDER_EXPANDED;
9573 else
9574 expander_style = GTK_EXPANDER_COLLAPSED;
9575
9576 gtk_paint_expander (widget->style,
9577 tree_view->priv->bin_window,
9578 state,
9579 &area,
9580 widget,
9581 "treeview",
9582 area.x + area.width / 2,
9583 area.y + area.height / 2,
9584 expander_style);
9585 }
9586
9587 static void
gtk_tree_view_focus_to_cursor(GtkTreeView * tree_view)9588 gtk_tree_view_focus_to_cursor (GtkTreeView *tree_view)
9589
9590 {
9591 GtkTreePath *cursor_path;
9592
9593 if ((tree_view->priv->tree == NULL) ||
9594 (! gtk_widget_get_realized (GTK_WIDGET (tree_view))))
9595 return;
9596
9597 cursor_path = NULL;
9598 if (tree_view->priv->cursor)
9599 cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
9600
9601 if (cursor_path == NULL)
9602 {
9603 /* Consult the selection before defaulting to the
9604 * first focusable element
9605 */
9606 GList *selected_rows;
9607 GtkTreeModel *model;
9608 GtkTreeSelection *selection;
9609
9610 selection = gtk_tree_view_get_selection (tree_view);
9611 selected_rows = gtk_tree_selection_get_selected_rows (selection, &model);
9612
9613 if (selected_rows)
9614 {
9615 cursor_path = gtk_tree_path_copy((const GtkTreePath *)(selected_rows->data));
9616 g_list_foreach (selected_rows, (GFunc)gtk_tree_path_free, NULL);
9617 g_list_free (selected_rows);
9618 }
9619 else
9620 {
9621 cursor_path = gtk_tree_path_new_first ();
9622 search_first_focusable_path (tree_view, &cursor_path,
9623 TRUE, NULL, NULL);
9624 }
9625
9626 gtk_tree_row_reference_free (tree_view->priv->cursor);
9627 tree_view->priv->cursor = NULL;
9628
9629 if (cursor_path)
9630 {
9631 if (tree_view->priv->selection->type == GTK_SELECTION_MULTIPLE)
9632 gtk_tree_view_real_set_cursor (tree_view, cursor_path, FALSE, FALSE);
9633 else
9634 gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE, FALSE);
9635 }
9636 }
9637
9638 if (cursor_path)
9639 {
9640 GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS);
9641
9642 gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL);
9643 gtk_tree_path_free (cursor_path);
9644
9645 if (tree_view->priv->focus_column == NULL)
9646 {
9647 GList *list;
9648 for (list = tree_view->priv->columns; list; list = list->next)
9649 {
9650 if (GTK_TREE_VIEW_COLUMN (list->data)->visible)
9651 {
9652 tree_view->priv->focus_column = GTK_TREE_VIEW_COLUMN (list->data);
9653 break;
9654 }
9655 }
9656 }
9657 }
9658 }
9659
9660 static void
gtk_tree_view_move_cursor_up_down(GtkTreeView * tree_view,gint count)9661 gtk_tree_view_move_cursor_up_down (GtkTreeView *tree_view,
9662 gint count)
9663 {
9664 gint selection_count;
9665 GtkRBTree *cursor_tree = NULL;
9666 GtkRBNode *cursor_node = NULL;
9667 GtkRBTree *new_cursor_tree = NULL;
9668 GtkRBNode *new_cursor_node = NULL;
9669 GtkTreePath *cursor_path = NULL;
9670 gboolean grab_focus = TRUE;
9671 gboolean selectable;
9672
9673 if (! gtk_widget_has_focus (GTK_WIDGET (tree_view)))
9674 return;
9675
9676 cursor_path = NULL;
9677 if (!gtk_tree_row_reference_valid (tree_view->priv->cursor))
9678 /* FIXME: we lost the cursor; should we get the first? */
9679 return;
9680
9681 cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
9682 _gtk_tree_view_find_node (tree_view, cursor_path,
9683 &cursor_tree, &cursor_node);
9684
9685 if (cursor_tree == NULL)
9686 /* FIXME: we lost the cursor; should we get the first? */
9687 return;
9688
9689 selection_count = gtk_tree_selection_count_selected_rows (tree_view->priv->selection);
9690 selectable = _gtk_tree_selection_row_is_selectable (tree_view->priv->selection,
9691 cursor_node,
9692 cursor_path);
9693
9694 if (selection_count == 0
9695 && tree_view->priv->selection->type != GTK_SELECTION_NONE
9696 && !tree_view->priv->modify_selection_pressed
9697 && selectable)
9698 {
9699 /* Don't move the cursor, but just select the current node */
9700 new_cursor_tree = cursor_tree;
9701 new_cursor_node = cursor_node;
9702 }
9703 else
9704 {
9705 if (count == -1)
9706 _gtk_rbtree_prev_full (cursor_tree, cursor_node,
9707 &new_cursor_tree, &new_cursor_node);
9708 else
9709 _gtk_rbtree_next_full (cursor_tree, cursor_node,
9710 &new_cursor_tree, &new_cursor_node);
9711 }
9712
9713 gtk_tree_path_free (cursor_path);
9714
9715 if (new_cursor_node)
9716 {
9717 cursor_path = _gtk_tree_view_find_path (tree_view,
9718 new_cursor_tree, new_cursor_node);
9719
9720 search_first_focusable_path (tree_view, &cursor_path,
9721 (count != -1),
9722 &new_cursor_tree,
9723 &new_cursor_node);
9724
9725 if (cursor_path)
9726 gtk_tree_path_free (cursor_path);
9727 }
9728
9729 /*
9730 * If the list has only one item and multi-selection is set then select
9731 * the row (if not yet selected).
9732 */
9733 if (tree_view->priv->selection->type == GTK_SELECTION_MULTIPLE &&
9734 new_cursor_node == NULL)
9735 {
9736 if (count == -1)
9737 _gtk_rbtree_next_full (cursor_tree, cursor_node,
9738 &new_cursor_tree, &new_cursor_node);
9739 else
9740 _gtk_rbtree_prev_full (cursor_tree, cursor_node,
9741 &new_cursor_tree, &new_cursor_node);
9742
9743 if (new_cursor_node == NULL
9744 && !GTK_RBNODE_FLAG_SET (cursor_node, GTK_RBNODE_IS_SELECTED))
9745 {
9746 new_cursor_node = cursor_node;
9747 new_cursor_tree = cursor_tree;
9748 }
9749 else
9750 {
9751 new_cursor_node = NULL;
9752 }
9753 }
9754
9755 if (new_cursor_node)
9756 {
9757 cursor_path = _gtk_tree_view_find_path (tree_view, new_cursor_tree, new_cursor_node);
9758 gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE, TRUE);
9759 gtk_tree_path_free (cursor_path);
9760 }
9761 else
9762 {
9763 gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node);
9764
9765 if (!tree_view->priv->extend_selection_pressed)
9766 {
9767 if (! gtk_widget_keynav_failed (GTK_WIDGET (tree_view),
9768 count < 0 ?
9769 GTK_DIR_UP : GTK_DIR_DOWN))
9770 {
9771 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (tree_view));
9772
9773 if (toplevel)
9774 gtk_widget_child_focus (toplevel,
9775 count < 0 ?
9776 GTK_DIR_TAB_BACKWARD :
9777 GTK_DIR_TAB_FORWARD);
9778
9779 grab_focus = FALSE;
9780 }
9781 }
9782 else
9783 {
9784 gtk_widget_error_bell (GTK_WIDGET (tree_view));
9785 }
9786 }
9787
9788 if (grab_focus)
9789 gtk_widget_grab_focus (GTK_WIDGET (tree_view));
9790 }
9791
9792 static void
gtk_tree_view_move_cursor_page_up_down(GtkTreeView * tree_view,gint count)9793 gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view,
9794 gint count)
9795 {
9796 GtkRBTree *cursor_tree = NULL;
9797 GtkRBNode *cursor_node = NULL;
9798 GtkTreePath *old_cursor_path = NULL;
9799 GtkTreePath *cursor_path = NULL;
9800 GtkRBTree *start_cursor_tree = NULL;
9801 GtkRBNode *start_cursor_node = NULL;
9802 gint y;
9803 gint window_y;
9804 gint vertical_separator;
9805
9806 if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
9807 return;
9808
9809 if (gtk_tree_row_reference_valid (tree_view->priv->cursor))
9810 old_cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
9811 else
9812 /* This is sorta weird. Focus in should give us a cursor */
9813 return;
9814
9815 gtk_widget_style_get (GTK_WIDGET (tree_view), "vertical-separator", &vertical_separator, NULL);
9816 _gtk_tree_view_find_node (tree_view, old_cursor_path,
9817 &cursor_tree, &cursor_node);
9818
9819 if (cursor_tree == NULL)
9820 {
9821 /* FIXME: we lost the cursor. Should we try to get one? */
9822 gtk_tree_path_free (old_cursor_path);
9823 return;
9824 }
9825 g_return_if_fail (cursor_node != NULL);
9826
9827 y = _gtk_rbtree_node_find_offset (cursor_tree, cursor_node);
9828 window_y = RBTREE_Y_TO_TREE_WINDOW_Y (tree_view, y);
9829 y += tree_view->priv->cursor_offset;
9830 y += count * (int)tree_view->priv->vadjustment->page_increment;
9831 y = CLAMP (y, (gint)tree_view->priv->vadjustment->lower, (gint)tree_view->priv->vadjustment->upper - vertical_separator);
9832
9833 if (y >= tree_view->priv->height)
9834 y = tree_view->priv->height - 1;
9835
9836 tree_view->priv->cursor_offset =
9837 _gtk_rbtree_find_offset (tree_view->priv->tree, y,
9838 &cursor_tree, &cursor_node);
9839
9840 if (cursor_tree == NULL)
9841 {
9842 /* FIXME: we lost the cursor. Should we try to get one? */
9843 gtk_tree_path_free (old_cursor_path);
9844 return;
9845 }
9846
9847 if (tree_view->priv->cursor_offset > BACKGROUND_HEIGHT (cursor_node))
9848 {
9849 _gtk_rbtree_next_full (cursor_tree, cursor_node,
9850 &cursor_tree, &cursor_node);
9851 tree_view->priv->cursor_offset -= BACKGROUND_HEIGHT (cursor_node);
9852 }
9853
9854 y -= tree_view->priv->cursor_offset;
9855 cursor_path = _gtk_tree_view_find_path (tree_view, cursor_tree, cursor_node);
9856
9857 start_cursor_tree = cursor_tree;
9858 start_cursor_node = cursor_node;
9859
9860 if (! search_first_focusable_path (tree_view, &cursor_path,
9861 (count != -1),
9862 &cursor_tree, &cursor_node))
9863 {
9864 /* It looks like we reached the end of the view without finding
9865 * a focusable row. We will step backwards to find the last
9866 * focusable row.
9867 */
9868 cursor_tree = start_cursor_tree;
9869 cursor_node = start_cursor_node;
9870 cursor_path = _gtk_tree_view_find_path (tree_view, cursor_tree, cursor_node);
9871
9872 search_first_focusable_path (tree_view, &cursor_path,
9873 (count == -1),
9874 &cursor_tree, &cursor_node);
9875 }
9876
9877 if (!cursor_path)
9878 goto cleanup;
9879
9880 /* update y */
9881 y = _gtk_rbtree_node_find_offset (cursor_tree, cursor_node);
9882
9883 gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE, FALSE);
9884
9885 y -= window_y;
9886 gtk_tree_view_scroll_to_point (tree_view, -1, y);
9887 gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node);
9888 _gtk_tree_view_queue_draw_node (tree_view, cursor_tree, cursor_node, NULL);
9889
9890 if (!gtk_tree_path_compare (old_cursor_path, cursor_path))
9891 gtk_widget_error_bell (GTK_WIDGET (tree_view));
9892
9893 gtk_widget_grab_focus (GTK_WIDGET (tree_view));
9894
9895 cleanup:
9896 gtk_tree_path_free (old_cursor_path);
9897 gtk_tree_path_free (cursor_path);
9898 }
9899
9900 static void
gtk_tree_view_move_cursor_left_right(GtkTreeView * tree_view,gint count)9901 gtk_tree_view_move_cursor_left_right (GtkTreeView *tree_view,
9902 gint count)
9903 {
9904 GtkRBTree *cursor_tree = NULL;
9905 GtkRBNode *cursor_node = NULL;
9906 GtkTreePath *cursor_path = NULL;
9907 GtkTreeViewColumn *column;
9908 GtkTreeIter iter;
9909 GList *list;
9910 gboolean found_column = FALSE;
9911 gboolean rtl;
9912
9913 rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
9914
9915 if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
9916 return;
9917
9918 if (gtk_tree_row_reference_valid (tree_view->priv->cursor))
9919 cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
9920 else
9921 return;
9922
9923 _gtk_tree_view_find_node (tree_view, cursor_path, &cursor_tree, &cursor_node);
9924 if (cursor_tree == NULL)
9925 return;
9926 if (gtk_tree_model_get_iter (tree_view->priv->model, &iter, cursor_path) == FALSE)
9927 {
9928 gtk_tree_path_free (cursor_path);
9929 return;
9930 }
9931 gtk_tree_path_free (cursor_path);
9932
9933 list = rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns);
9934 if (tree_view->priv->focus_column)
9935 {
9936 for (; list; list = (rtl ? list->prev : list->next))
9937 {
9938 if (list->data == tree_view->priv->focus_column)
9939 break;
9940 }
9941 }
9942
9943 while (list)
9944 {
9945 gboolean left, right;
9946
9947 column = list->data;
9948 if (column->visible == FALSE)
9949 goto loop_end;
9950
9951 gtk_tree_view_column_cell_set_cell_data (column,
9952 tree_view->priv->model,
9953 &iter,
9954 GTK_RBNODE_FLAG_SET (cursor_node, GTK_RBNODE_IS_PARENT),
9955 cursor_node->children?TRUE:FALSE);
9956
9957 if (rtl)
9958 {
9959 right = list->prev ? TRUE : FALSE;
9960 left = list->next ? TRUE : FALSE;
9961 }
9962 else
9963 {
9964 left = list->prev ? TRUE : FALSE;
9965 right = list->next ? TRUE : FALSE;
9966 }
9967
9968 if (_gtk_tree_view_column_cell_focus (column, count, left, right))
9969 {
9970 tree_view->priv->focus_column = column;
9971 found_column = TRUE;
9972 break;
9973 }
9974 loop_end:
9975 if (count == 1)
9976 list = rtl ? list->prev : list->next;
9977 else
9978 list = rtl ? list->next : list->prev;
9979 }
9980
9981 if (found_column)
9982 {
9983 if (!gtk_tree_view_has_special_cell (tree_view))
9984 _gtk_tree_view_queue_draw_node (tree_view,
9985 cursor_tree,
9986 cursor_node,
9987 NULL);
9988 g_signal_emit (tree_view, tree_view_signals[CURSOR_CHANGED], 0);
9989 gtk_widget_grab_focus (GTK_WIDGET (tree_view));
9990 }
9991 else
9992 {
9993 gtk_widget_error_bell (GTK_WIDGET (tree_view));
9994 }
9995
9996 gtk_tree_view_clamp_column_visible (tree_view,
9997 tree_view->priv->focus_column, TRUE);
9998 }
9999
10000 static void
gtk_tree_view_move_cursor_start_end(GtkTreeView * tree_view,gint count)10001 gtk_tree_view_move_cursor_start_end (GtkTreeView *tree_view,
10002 gint count)
10003 {
10004 GtkRBTree *cursor_tree;
10005 GtkRBNode *cursor_node;
10006 GtkTreePath *path;
10007 GtkTreePath *old_path;
10008
10009 if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
10010 return;
10011
10012 g_return_if_fail (tree_view->priv->tree != NULL);
10013
10014 gtk_tree_view_get_cursor (tree_view, &old_path, NULL);
10015
10016 cursor_tree = tree_view->priv->tree;
10017 cursor_node = cursor_tree->root;
10018
10019 if (count == -1)
10020 {
10021 while (cursor_node && cursor_node->left != cursor_tree->nil)
10022 cursor_node = cursor_node->left;
10023
10024 /* Now go forward to find the first focusable row. */
10025 path = _gtk_tree_view_find_path (tree_view, cursor_tree, cursor_node);
10026 search_first_focusable_path (tree_view, &path,
10027 TRUE, &cursor_tree, &cursor_node);
10028 }
10029 else
10030 {
10031 do
10032 {
10033 while (cursor_node && cursor_node->right != cursor_tree->nil)
10034 cursor_node = cursor_node->right;
10035 if (cursor_node->children == NULL)
10036 break;
10037
10038 cursor_tree = cursor_node->children;
10039 cursor_node = cursor_tree->root;
10040 }
10041 while (1);
10042
10043 /* Now go backwards to find last focusable row. */
10044 path = _gtk_tree_view_find_path (tree_view, cursor_tree, cursor_node);
10045 search_first_focusable_path (tree_view, &path,
10046 FALSE, &cursor_tree, &cursor_node);
10047 }
10048
10049 if (!path)
10050 goto cleanup;
10051
10052 if (gtk_tree_path_compare (old_path, path))
10053 {
10054 gtk_tree_view_real_set_cursor (tree_view, path, TRUE, TRUE);
10055 gtk_widget_grab_focus (GTK_WIDGET (tree_view));
10056 }
10057 else
10058 {
10059 gtk_widget_error_bell (GTK_WIDGET (tree_view));
10060 }
10061
10062 cleanup:
10063 gtk_tree_path_free (old_path);
10064 gtk_tree_path_free (path);
10065 }
10066
10067 static gboolean
gtk_tree_view_real_select_all(GtkTreeView * tree_view)10068 gtk_tree_view_real_select_all (GtkTreeView *tree_view)
10069 {
10070 if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
10071 return FALSE;
10072
10073 if (tree_view->priv->selection->type != GTK_SELECTION_MULTIPLE)
10074 return FALSE;
10075
10076 gtk_tree_selection_select_all (tree_view->priv->selection);
10077
10078 return TRUE;
10079 }
10080
10081 static gboolean
gtk_tree_view_real_unselect_all(GtkTreeView * tree_view)10082 gtk_tree_view_real_unselect_all (GtkTreeView *tree_view)
10083 {
10084 if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
10085 return FALSE;
10086
10087 if (tree_view->priv->selection->type != GTK_SELECTION_MULTIPLE)
10088 return FALSE;
10089
10090 gtk_tree_selection_unselect_all (tree_view->priv->selection);
10091
10092 return TRUE;
10093 }
10094
10095 static gboolean
gtk_tree_view_real_select_cursor_row(GtkTreeView * tree_view,gboolean start_editing)10096 gtk_tree_view_real_select_cursor_row (GtkTreeView *tree_view,
10097 gboolean start_editing)
10098 {
10099 GtkRBTree *new_tree = NULL;
10100 GtkRBNode *new_node = NULL;
10101 GtkRBTree *cursor_tree = NULL;
10102 GtkRBNode *cursor_node = NULL;
10103 GtkTreePath *cursor_path = NULL;
10104 GtkTreeSelectMode mode = 0;
10105
10106 if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
10107 return FALSE;
10108
10109 if (tree_view->priv->cursor)
10110 cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
10111
10112 if (cursor_path == NULL)
10113 return FALSE;
10114
10115 _gtk_tree_view_find_node (tree_view, cursor_path,
10116 &cursor_tree, &cursor_node);
10117
10118 if (cursor_tree == NULL)
10119 {
10120 gtk_tree_path_free (cursor_path);
10121 return FALSE;
10122 }
10123
10124 if (!tree_view->priv->extend_selection_pressed && start_editing &&
10125 tree_view->priv->focus_column)
10126 {
10127 if (gtk_tree_view_start_editing (tree_view, cursor_path))
10128 {
10129 gtk_tree_path_free (cursor_path);
10130 return TRUE;
10131 }
10132 }
10133
10134 if (tree_view->priv->modify_selection_pressed)
10135 mode |= GTK_TREE_SELECT_MODE_TOGGLE;
10136 if (tree_view->priv->extend_selection_pressed)
10137 mode |= GTK_TREE_SELECT_MODE_EXTEND;
10138
10139 _gtk_tree_selection_internal_select_node (tree_view->priv->selection,
10140 cursor_node,
10141 cursor_tree,
10142 cursor_path,
10143 mode,
10144 FALSE);
10145
10146 /* We bail out if the original (tree, node) don't exist anymore after
10147 * handling the selection-changed callback. We do return TRUE because
10148 * the key press has been handled at this point.
10149 */
10150 _gtk_tree_view_find_node (tree_view, cursor_path, &new_tree, &new_node);
10151
10152 if (cursor_tree != new_tree || cursor_node != new_node)
10153 return FALSE;
10154
10155 gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node);
10156
10157 gtk_widget_grab_focus (GTK_WIDGET (tree_view));
10158 _gtk_tree_view_queue_draw_node (tree_view, cursor_tree, cursor_node, NULL);
10159
10160 if (!tree_view->priv->extend_selection_pressed)
10161 gtk_tree_view_row_activated (tree_view, cursor_path,
10162 tree_view->priv->focus_column);
10163
10164 gtk_tree_path_free (cursor_path);
10165
10166 return TRUE;
10167 }
10168
10169 static gboolean
gtk_tree_view_real_toggle_cursor_row(GtkTreeView * tree_view)10170 gtk_tree_view_real_toggle_cursor_row (GtkTreeView *tree_view)
10171 {
10172 GtkRBTree *new_tree = NULL;
10173 GtkRBNode *new_node = NULL;
10174 GtkRBTree *cursor_tree = NULL;
10175 GtkRBNode *cursor_node = NULL;
10176 GtkTreePath *cursor_path = NULL;
10177
10178 if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
10179 return FALSE;
10180
10181 cursor_path = NULL;
10182 if (tree_view->priv->cursor)
10183 cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
10184
10185 if (cursor_path == NULL)
10186 return FALSE;
10187
10188 _gtk_tree_view_find_node (tree_view, cursor_path,
10189 &cursor_tree, &cursor_node);
10190 if (cursor_tree == NULL)
10191 {
10192 gtk_tree_path_free (cursor_path);
10193 return FALSE;
10194 }
10195
10196 _gtk_tree_selection_internal_select_node (tree_view->priv->selection,
10197 cursor_node,
10198 cursor_tree,
10199 cursor_path,
10200 GTK_TREE_SELECT_MODE_TOGGLE,
10201 FALSE);
10202
10203 /* We bail out if the original (tree, node) don't exist anymore after
10204 * handling the selection-changed callback. We do return TRUE because
10205 * the key press has been handled at this point.
10206 */
10207 _gtk_tree_view_find_node (tree_view, cursor_path, &new_tree, &new_node);
10208
10209 if (cursor_tree != new_tree || cursor_node != new_node)
10210 return FALSE;
10211
10212 gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node);
10213
10214 gtk_widget_grab_focus (GTK_WIDGET (tree_view));
10215 gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL);
10216 gtk_tree_path_free (cursor_path);
10217
10218 return TRUE;
10219 }
10220
10221 static gboolean
gtk_tree_view_real_expand_collapse_cursor_row(GtkTreeView * tree_view,gboolean logical,gboolean expand,gboolean open_all)10222 gtk_tree_view_real_expand_collapse_cursor_row (GtkTreeView *tree_view,
10223 gboolean logical,
10224 gboolean expand,
10225 gboolean open_all)
10226 {
10227 GtkTreePath *cursor_path = NULL;
10228 GtkRBTree *tree;
10229 GtkRBNode *node;
10230
10231 if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
10232 return FALSE;
10233
10234 cursor_path = NULL;
10235 if (tree_view->priv->cursor)
10236 cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
10237
10238 if (cursor_path == NULL)
10239 return FALSE;
10240
10241 if (_gtk_tree_view_find_node (tree_view, cursor_path, &tree, &node))
10242 return FALSE;
10243
10244 /* Don't handle the event if we aren't an expander */
10245 if (!((node->flags & GTK_RBNODE_IS_PARENT) == GTK_RBNODE_IS_PARENT))
10246 return FALSE;
10247
10248 if (!logical
10249 && gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL)
10250 expand = !expand;
10251
10252 if (expand)
10253 gtk_tree_view_real_expand_row (tree_view, cursor_path, tree, node, open_all, TRUE);
10254 else
10255 gtk_tree_view_real_collapse_row (tree_view, cursor_path, tree, node, TRUE);
10256
10257 gtk_tree_path_free (cursor_path);
10258
10259 return TRUE;
10260 }
10261
10262 static gboolean
gtk_tree_view_real_select_cursor_parent(GtkTreeView * tree_view)10263 gtk_tree_view_real_select_cursor_parent (GtkTreeView *tree_view)
10264 {
10265 GtkRBTree *cursor_tree = NULL;
10266 GtkRBNode *cursor_node = NULL;
10267 GtkTreePath *cursor_path = NULL;
10268 GdkModifierType state;
10269
10270 if (!gtk_widget_has_focus (GTK_WIDGET (tree_view)))
10271 goto out;
10272
10273 cursor_path = NULL;
10274 if (tree_view->priv->cursor)
10275 cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
10276
10277 if (cursor_path == NULL)
10278 goto out;
10279
10280 _gtk_tree_view_find_node (tree_view, cursor_path,
10281 &cursor_tree, &cursor_node);
10282 if (cursor_tree == NULL)
10283 {
10284 gtk_tree_path_free (cursor_path);
10285 goto out;
10286 }
10287
10288 if (cursor_tree->parent_node)
10289 {
10290 gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL);
10291 cursor_node = cursor_tree->parent_node;
10292 cursor_tree = cursor_tree->parent_tree;
10293
10294 gtk_tree_path_up (cursor_path);
10295
10296 if (gtk_get_current_event_state (&state))
10297 {
10298 if ((state & GTK_MODIFY_SELECTION_MOD_MASK) == GTK_MODIFY_SELECTION_MOD_MASK)
10299 tree_view->priv->modify_selection_pressed = TRUE;
10300 }
10301
10302 gtk_tree_view_real_set_cursor (tree_view, cursor_path, TRUE, FALSE);
10303 gtk_tree_view_clamp_node_visible (tree_view, cursor_tree, cursor_node);
10304
10305 gtk_widget_grab_focus (GTK_WIDGET (tree_view));
10306 gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL);
10307 gtk_tree_path_free (cursor_path);
10308
10309 tree_view->priv->modify_selection_pressed = FALSE;
10310
10311 return TRUE;
10312 }
10313
10314 out:
10315
10316 tree_view->priv->search_entry_avoid_unhandled_binding = TRUE;
10317 return FALSE;
10318 }
10319
10320 static gboolean
gtk_tree_view_search_entry_flush_timeout(GtkTreeView * tree_view)10321 gtk_tree_view_search_entry_flush_timeout (GtkTreeView *tree_view)
10322 {
10323 gtk_tree_view_search_dialog_hide (tree_view->priv->search_window, tree_view);
10324 tree_view->priv->typeselect_flush_timeout = 0;
10325
10326 return FALSE;
10327 }
10328
10329 /* Cut and paste from gtkwindow.c */
10330 static void
send_focus_change(GtkWidget * widget,gboolean in)10331 send_focus_change (GtkWidget *widget,
10332 gboolean in)
10333 {
10334 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
10335
10336 fevent->focus_change.type = GDK_FOCUS_CHANGE;
10337 fevent->focus_change.window = g_object_ref (gtk_widget_get_window (widget));
10338 fevent->focus_change.in = in;
10339
10340 gtk_widget_send_focus_change (widget, fevent);
10341
10342 gdk_event_free (fevent);
10343 }
10344
10345 static void
gtk_tree_view_ensure_interactive_directory(GtkTreeView * tree_view)10346 gtk_tree_view_ensure_interactive_directory (GtkTreeView *tree_view)
10347 {
10348 GtkWidget *frame, *vbox, *toplevel;
10349 GdkScreen *screen;
10350
10351 if (tree_view->priv->search_custom_entry_set)
10352 return;
10353
10354 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (tree_view));
10355 screen = gtk_widget_get_screen (GTK_WIDGET (tree_view));
10356
10357 if (tree_view->priv->search_window != NULL)
10358 {
10359 if (GTK_WINDOW (toplevel)->group)
10360 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
10361 GTK_WINDOW (tree_view->priv->search_window));
10362 else if (GTK_WINDOW (tree_view->priv->search_window)->group)
10363 gtk_window_group_remove_window (GTK_WINDOW (tree_view->priv->search_window)->group,
10364 GTK_WINDOW (tree_view->priv->search_window));
10365 gtk_window_set_screen (GTK_WINDOW (tree_view->priv->search_window), screen);
10366 return;
10367 }
10368
10369 tree_view->priv->search_window = gtk_window_new (GTK_WINDOW_POPUP);
10370 gtk_window_set_screen (GTK_WINDOW (tree_view->priv->search_window), screen);
10371
10372 if (GTK_WINDOW (toplevel)->group)
10373 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
10374 GTK_WINDOW (tree_view->priv->search_window));
10375
10376 gtk_window_set_type_hint (GTK_WINDOW (tree_view->priv->search_window),
10377 GDK_WINDOW_TYPE_HINT_UTILITY);
10378 gtk_window_set_modal (GTK_WINDOW (tree_view->priv->search_window), TRUE);
10379 g_signal_connect (tree_view->priv->search_window, "delete-event",
10380 G_CALLBACK (gtk_tree_view_search_delete_event),
10381 tree_view);
10382 g_signal_connect (tree_view->priv->search_window, "key-press-event",
10383 G_CALLBACK (gtk_tree_view_search_key_press_event),
10384 tree_view);
10385 g_signal_connect (tree_view->priv->search_window, "button-press-event",
10386 G_CALLBACK (gtk_tree_view_search_button_press_event),
10387 tree_view);
10388 g_signal_connect (tree_view->priv->search_window, "scroll-event",
10389 G_CALLBACK (gtk_tree_view_search_scroll_event),
10390 tree_view);
10391
10392 frame = gtk_frame_new (NULL);
10393 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
10394 gtk_widget_show (frame);
10395 gtk_container_add (GTK_CONTAINER (tree_view->priv->search_window), frame);
10396
10397 vbox = gtk_vbox_new (FALSE, 0);
10398 gtk_widget_show (vbox);
10399 gtk_container_add (GTK_CONTAINER (frame), vbox);
10400 gtk_container_set_border_width (GTK_CONTAINER (vbox), 3);
10401
10402 /* add entry */
10403 tree_view->priv->search_entry = gtk_entry_new ();
10404 gtk_widget_show (tree_view->priv->search_entry);
10405 g_signal_connect (tree_view->priv->search_entry, "populate-popup",
10406 G_CALLBACK (gtk_tree_view_search_disable_popdown),
10407 tree_view);
10408 g_signal_connect (tree_view->priv->search_entry,
10409 "activate", G_CALLBACK (gtk_tree_view_search_activate),
10410 tree_view);
10411 g_signal_connect (GTK_ENTRY (tree_view->priv->search_entry)->im_context,
10412 "preedit-changed",
10413 G_CALLBACK (gtk_tree_view_search_preedit_changed),
10414 tree_view);
10415 gtk_container_add (GTK_CONTAINER (vbox),
10416 tree_view->priv->search_entry);
10417
10418 gtk_widget_realize (tree_view->priv->search_entry);
10419 }
10420
10421 /* Pops up the interactive search entry. If keybinding is TRUE then the user
10422 * started this by typing the start_interactive_search keybinding. Otherwise, it came from
10423 */
10424 static gboolean
gtk_tree_view_real_start_interactive_search(GtkTreeView * tree_view,gboolean keybinding)10425 gtk_tree_view_real_start_interactive_search (GtkTreeView *tree_view,
10426 gboolean keybinding)
10427 {
10428 /* We only start interactive search if we have focus or the columns
10429 * have focus. If one of our children have focus, we don't want to
10430 * start the search.
10431 */
10432 GList *list;
10433 gboolean found_focus = FALSE;
10434 GtkWidgetClass *entry_parent_class;
10435
10436 if (!tree_view->priv->enable_search && !keybinding)
10437 return FALSE;
10438
10439 if (tree_view->priv->search_custom_entry_set)
10440 return FALSE;
10441
10442 if (tree_view->priv->search_window != NULL &&
10443 gtk_widget_get_visible (tree_view->priv->search_window))
10444 return TRUE;
10445
10446 for (list = tree_view->priv->columns; list; list = list->next)
10447 {
10448 GtkTreeViewColumn *column;
10449
10450 column = list->data;
10451 if (! column->visible)
10452 continue;
10453
10454 if (gtk_widget_has_focus (column->button))
10455 {
10456 found_focus = TRUE;
10457 break;
10458 }
10459 }
10460
10461 if (gtk_widget_has_focus (GTK_WIDGET (tree_view)))
10462 found_focus = TRUE;
10463
10464 if (!found_focus)
10465 return FALSE;
10466
10467 if (tree_view->priv->search_column < 0)
10468 return FALSE;
10469
10470 gtk_tree_view_ensure_interactive_directory (tree_view);
10471
10472 if (keybinding)
10473 gtk_entry_set_text (GTK_ENTRY (tree_view->priv->search_entry), "");
10474
10475 /* done, show it */
10476 tree_view->priv->search_position_func (tree_view, tree_view->priv->search_window, tree_view->priv->search_position_user_data);
10477 gtk_widget_show (tree_view->priv->search_window);
10478 if (tree_view->priv->search_entry_changed_id == 0)
10479 {
10480 tree_view->priv->search_entry_changed_id =
10481 g_signal_connect (tree_view->priv->search_entry, "changed",
10482 G_CALLBACK (gtk_tree_view_search_init),
10483 tree_view);
10484 }
10485
10486 tree_view->priv->typeselect_flush_timeout =
10487 gdk_threads_add_timeout (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT,
10488 (GSourceFunc) gtk_tree_view_search_entry_flush_timeout,
10489 tree_view);
10490
10491 /* Grab focus will select all the text. We don't want that to happen, so we
10492 * call the parent instance and bypass the selection change. This is probably
10493 * really non-kosher. */
10494 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (tree_view->priv->search_entry));
10495 (entry_parent_class->grab_focus) (tree_view->priv->search_entry);
10496
10497 /* send focus-in event */
10498 send_focus_change (tree_view->priv->search_entry, TRUE);
10499
10500 /* search first matching iter */
10501 gtk_tree_view_search_init (tree_view->priv->search_entry, tree_view);
10502
10503 return TRUE;
10504 }
10505
10506 static gboolean
gtk_tree_view_start_interactive_search(GtkTreeView * tree_view)10507 gtk_tree_view_start_interactive_search (GtkTreeView *tree_view)
10508 {
10509 return gtk_tree_view_real_start_interactive_search (tree_view, TRUE);
10510 }
10511
10512 /* this function returns the new width of the column being resized given
10513 * the column and x position of the cursor; the x cursor position is passed
10514 * in as a pointer and automagicly corrected if it's beyond min/max limits
10515 */
10516 static gint
gtk_tree_view_new_column_width(GtkTreeView * tree_view,gint i,gint * x)10517 gtk_tree_view_new_column_width (GtkTreeView *tree_view,
10518 gint i,
10519 gint *x)
10520 {
10521 GtkTreeViewColumn *column;
10522 gint width;
10523 gboolean rtl;
10524
10525 /* first translate the x position from widget->window
10526 * to clist->clist_window
10527 */
10528 rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
10529 column = g_list_nth (tree_view->priv->columns, i)->data;
10530 width = rtl ? (column->button->allocation.x + column->button->allocation.width - *x) : (*x - column->button->allocation.x);
10531
10532 /* Clamp down the value */
10533 if (column->min_width == -1)
10534 width = MAX (column->button->requisition.width,
10535 width);
10536 else
10537 width = MAX (column->min_width,
10538 width);
10539 if (column->max_width != -1)
10540 width = MIN (width, column->max_width);
10541
10542 *x = rtl ? (column->button->allocation.x + column->button->allocation.width - width) : (column->button->allocation.x + width);
10543
10544 return width;
10545 }
10546
10547
10548 /* FIXME this adjust_allocation is a big cut-and-paste from
10549 * GtkCList, needs to be some "official" way to do this
10550 * factored out.
10551 */
10552 typedef struct
10553 {
10554 GdkWindow *window;
10555 int dx;
10556 int dy;
10557 } ScrollData;
10558
10559 /* The window to which widget->window is relative */
10560 #define ALLOCATION_WINDOW(widget) \
10561 (!gtk_widget_get_has_window (widget) ? \
10562 (widget)->window : \
10563 gdk_window_get_parent ((widget)->window))
10564
10565 static void
adjust_allocation_recurse(GtkWidget * widget,gpointer data)10566 adjust_allocation_recurse (GtkWidget *widget,
10567 gpointer data)
10568 {
10569 ScrollData *scroll_data = data;
10570
10571 /* Need to really size allocate instead of just poking
10572 * into widget->allocation if the widget is not realized.
10573 * FIXME someone figure out why this was.
10574 */
10575 if (!gtk_widget_get_realized (widget))
10576 {
10577 if (gtk_widget_get_visible (widget))
10578 {
10579 GdkRectangle tmp_rectangle = widget->allocation;
10580 tmp_rectangle.x += scroll_data->dx;
10581 tmp_rectangle.y += scroll_data->dy;
10582
10583 gtk_widget_size_allocate (widget, &tmp_rectangle);
10584 }
10585 }
10586 else
10587 {
10588 if (ALLOCATION_WINDOW (widget) == scroll_data->window)
10589 {
10590 widget->allocation.x += scroll_data->dx;
10591 widget->allocation.y += scroll_data->dy;
10592
10593 if (GTK_IS_CONTAINER (widget))
10594 gtk_container_forall (GTK_CONTAINER (widget),
10595 adjust_allocation_recurse,
10596 data);
10597 }
10598 }
10599 }
10600
10601 static void
adjust_allocation(GtkWidget * widget,int dx,int dy)10602 adjust_allocation (GtkWidget *widget,
10603 int dx,
10604 int dy)
10605 {
10606 ScrollData scroll_data;
10607
10608 if (gtk_widget_get_realized (widget))
10609 scroll_data.window = ALLOCATION_WINDOW (widget);
10610 else
10611 scroll_data.window = NULL;
10612
10613 scroll_data.dx = dx;
10614 scroll_data.dy = dy;
10615
10616 adjust_allocation_recurse (widget, &scroll_data);
10617 }
10618
10619 /* Callbacks */
10620 static void
gtk_tree_view_adjustment_changed(GtkAdjustment * adjustment,GtkTreeView * tree_view)10621 gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment,
10622 GtkTreeView *tree_view)
10623 {
10624 if (gtk_widget_get_realized (GTK_WIDGET (tree_view)))
10625 {
10626 gint dy;
10627
10628 gdk_window_move (tree_view->priv->bin_window,
10629 - tree_view->priv->hadjustment->value,
10630 TREE_VIEW_HEADER_HEIGHT (tree_view));
10631 gdk_window_move (tree_view->priv->header_window,
10632 - tree_view->priv->hadjustment->value,
10633 0);
10634 dy = tree_view->priv->dy - (int) tree_view->priv->vadjustment->value;
10635 if (dy)
10636 {
10637 update_prelight (tree_view,
10638 tree_view->priv->event_last_x,
10639 tree_view->priv->event_last_y - dy);
10640
10641 if (tree_view->priv->edited_column &&
10642 GTK_IS_WIDGET (tree_view->priv->edited_column->editable_widget))
10643 {
10644 GList *list;
10645 GtkWidget *widget;
10646 GtkTreeViewChild *child = NULL;
10647
10648 widget = GTK_WIDGET (tree_view->priv->edited_column->editable_widget);
10649 adjust_allocation (widget, 0, dy);
10650
10651 for (list = tree_view->priv->children; list; list = list->next)
10652 {
10653 child = (GtkTreeViewChild *)list->data;
10654 if (child->widget == widget)
10655 {
10656 child->y += dy;
10657 break;
10658 }
10659 }
10660 }
10661 }
10662 gdk_window_scroll (tree_view->priv->bin_window, 0, dy);
10663
10664 if (tree_view->priv->dy != (int) tree_view->priv->vadjustment->value)
10665 {
10666 /* update our dy and top_row */
10667 tree_view->priv->dy = (int) tree_view->priv->vadjustment->value;
10668
10669 if (!tree_view->priv->in_top_row_to_dy)
10670 gtk_tree_view_dy_to_top_row (tree_view);
10671 }
10672
10673 gdk_window_process_updates (tree_view->priv->header_window, TRUE);
10674 gdk_window_process_updates (tree_view->priv->bin_window, TRUE);
10675 }
10676 }
10677
10678
10679
10680 /* Public methods
10681 */
10682
10683 /**
10684 * gtk_tree_view_new:
10685 *
10686 * Creates a new #GtkTreeView widget.
10687 *
10688 * Return value: A newly created #GtkTreeView widget.
10689 **/
10690 GtkWidget *
gtk_tree_view_new(void)10691 gtk_tree_view_new (void)
10692 {
10693 return g_object_new (GTK_TYPE_TREE_VIEW, NULL);
10694 }
10695
10696 /**
10697 * gtk_tree_view_new_with_model:
10698 * @model: the model.
10699 *
10700 * Creates a new #GtkTreeView widget with the model initialized to @model.
10701 *
10702 * Return value: A newly created #GtkTreeView widget.
10703 **/
10704 GtkWidget *
gtk_tree_view_new_with_model(GtkTreeModel * model)10705 gtk_tree_view_new_with_model (GtkTreeModel *model)
10706 {
10707 return g_object_new (GTK_TYPE_TREE_VIEW, "model", model, NULL);
10708 }
10709
10710 /* Public Accessors
10711 */
10712
10713 /**
10714 * gtk_tree_view_get_model:
10715 * @tree_view: a #GtkTreeView
10716 *
10717 * Returns the model the #GtkTreeView is based on. Returns %NULL if the
10718 * model is unset.
10719 *
10720 * Return value: (transfer none): A #GtkTreeModel, or %NULL if none is currently being used.
10721 **/
10722 GtkTreeModel *
gtk_tree_view_get_model(GtkTreeView * tree_view)10723 gtk_tree_view_get_model (GtkTreeView *tree_view)
10724 {
10725 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
10726
10727 return tree_view->priv->model;
10728 }
10729
10730 /**
10731 * gtk_tree_view_set_model:
10732 * @tree_view: A #GtkTreeNode.
10733 * @model: (allow-none): The model.
10734 *
10735 * Sets the model for a #GtkTreeView. If the @tree_view already has a model
10736 * set, it will remove it before setting the new model. If @model is %NULL,
10737 * then it will unset the old model.
10738 **/
10739 void
gtk_tree_view_set_model(GtkTreeView * tree_view,GtkTreeModel * model)10740 gtk_tree_view_set_model (GtkTreeView *tree_view,
10741 GtkTreeModel *model)
10742 {
10743 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
10744 g_return_if_fail (model == NULL || GTK_IS_TREE_MODEL (model));
10745
10746 if (model == tree_view->priv->model)
10747 return;
10748
10749 if (tree_view->priv->scroll_to_path)
10750 {
10751 gtk_tree_row_reference_free (tree_view->priv->scroll_to_path);
10752 tree_view->priv->scroll_to_path = NULL;
10753 }
10754
10755 if (tree_view->priv->rubber_band_status)
10756 gtk_tree_view_stop_rubber_band (tree_view);
10757
10758 if (tree_view->priv->model)
10759 {
10760 GList *tmplist = tree_view->priv->columns;
10761
10762 gtk_tree_view_unref_and_check_selection_tree (tree_view, tree_view->priv->tree);
10763 gtk_tree_view_stop_editing (tree_view, TRUE);
10764
10765 remove_expand_collapse_timeout (tree_view);
10766
10767 g_signal_handlers_disconnect_by_func (tree_view->priv->model,
10768 gtk_tree_view_row_changed,
10769 tree_view);
10770 g_signal_handlers_disconnect_by_func (tree_view->priv->model,
10771 gtk_tree_view_row_inserted,
10772 tree_view);
10773 g_signal_handlers_disconnect_by_func (tree_view->priv->model,
10774 gtk_tree_view_row_has_child_toggled,
10775 tree_view);
10776 g_signal_handlers_disconnect_by_func (tree_view->priv->model,
10777 gtk_tree_view_row_deleted,
10778 tree_view);
10779 g_signal_handlers_disconnect_by_func (tree_view->priv->model,
10780 gtk_tree_view_rows_reordered,
10781 tree_view);
10782
10783 for (; tmplist; tmplist = tmplist->next)
10784 _gtk_tree_view_column_unset_model (tmplist->data,
10785 tree_view->priv->model);
10786
10787 if (tree_view->priv->tree)
10788 gtk_tree_view_free_rbtree (tree_view);
10789
10790 gtk_tree_row_reference_free (tree_view->priv->drag_dest_row);
10791 tree_view->priv->drag_dest_row = NULL;
10792 gtk_tree_row_reference_free (tree_view->priv->cursor);
10793 tree_view->priv->cursor = NULL;
10794 gtk_tree_row_reference_free (tree_view->priv->anchor);
10795 tree_view->priv->anchor = NULL;
10796 gtk_tree_row_reference_free (tree_view->priv->top_row);
10797 tree_view->priv->top_row = NULL;
10798 gtk_tree_row_reference_free (tree_view->priv->scroll_to_path);
10799 tree_view->priv->scroll_to_path = NULL;
10800
10801 tree_view->priv->scroll_to_column = NULL;
10802
10803 g_object_unref (tree_view->priv->model);
10804
10805 tree_view->priv->search_column = -1;
10806 tree_view->priv->fixed_height_check = 0;
10807 tree_view->priv->fixed_height = -1;
10808 tree_view->priv->dy = tree_view->priv->top_row_dy = 0;
10809 tree_view->priv->last_button_x = -1;
10810 tree_view->priv->last_button_y = -1;
10811 }
10812
10813 tree_view->priv->model = model;
10814
10815 if (tree_view->priv->model)
10816 {
10817 gint i;
10818 GtkTreePath *path;
10819 GtkTreeIter iter;
10820 GtkTreeModelFlags flags;
10821
10822 if (tree_view->priv->search_column == -1)
10823 {
10824 for (i = 0; i < gtk_tree_model_get_n_columns (model); i++)
10825 {
10826 GType type = gtk_tree_model_get_column_type (model, i);
10827
10828 if (g_value_type_transformable (type, G_TYPE_STRING))
10829 {
10830 tree_view->priv->search_column = i;
10831 break;
10832 }
10833 }
10834 }
10835
10836 g_object_ref (tree_view->priv->model);
10837 g_signal_connect (tree_view->priv->model,
10838 "row-changed",
10839 G_CALLBACK (gtk_tree_view_row_changed),
10840 tree_view);
10841 g_signal_connect (tree_view->priv->model,
10842 "row-inserted",
10843 G_CALLBACK (gtk_tree_view_row_inserted),
10844 tree_view);
10845 g_signal_connect (tree_view->priv->model,
10846 "row-has-child-toggled",
10847 G_CALLBACK (gtk_tree_view_row_has_child_toggled),
10848 tree_view);
10849 g_signal_connect (tree_view->priv->model,
10850 "row-deleted",
10851 G_CALLBACK (gtk_tree_view_row_deleted),
10852 tree_view);
10853 g_signal_connect (tree_view->priv->model,
10854 "rows-reordered",
10855 G_CALLBACK (gtk_tree_view_rows_reordered),
10856 tree_view);
10857
10858 flags = gtk_tree_model_get_flags (tree_view->priv->model);
10859 if ((flags & GTK_TREE_MODEL_LIST_ONLY) == GTK_TREE_MODEL_LIST_ONLY)
10860 GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_IS_LIST);
10861 else
10862 GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_IS_LIST);
10863
10864 path = gtk_tree_path_new_first ();
10865 if (gtk_tree_model_get_iter (tree_view->priv->model, &iter, path))
10866 {
10867 tree_view->priv->tree = _gtk_rbtree_new ();
10868 gtk_tree_view_build_tree (tree_view, tree_view->priv->tree, &iter, 1, FALSE);
10869 }
10870 gtk_tree_path_free (path);
10871
10872 /* FIXME: do I need to do this? gtk_tree_view_create_buttons (tree_view); */
10873 install_presize_handler (tree_view);
10874 }
10875
10876 g_object_notify (G_OBJECT (tree_view), "model");
10877
10878 if (tree_view->priv->selection)
10879 _gtk_tree_selection_emit_changed (tree_view->priv->selection);
10880
10881 if (gtk_widget_get_realized (GTK_WIDGET (tree_view)))
10882 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
10883 }
10884
10885 /**
10886 * gtk_tree_view_get_selection:
10887 * @tree_view: A #GtkTreeView.
10888 *
10889 * Gets the #GtkTreeSelection associated with @tree_view.
10890 *
10891 * Return value: (transfer none): A #GtkTreeSelection object.
10892 **/
10893 GtkTreeSelection *
gtk_tree_view_get_selection(GtkTreeView * tree_view)10894 gtk_tree_view_get_selection (GtkTreeView *tree_view)
10895 {
10896 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
10897
10898 return tree_view->priv->selection;
10899 }
10900
10901 /**
10902 * gtk_tree_view_get_hadjustment:
10903 * @tree_view: A #GtkTreeView
10904 *
10905 * Gets the #GtkAdjustment currently being used for the horizontal aspect.
10906 *
10907 * Return value: (transfer none): A #GtkAdjustment object, or %NULL
10908 * if none is currently being used.
10909 **/
10910 GtkAdjustment *
gtk_tree_view_get_hadjustment(GtkTreeView * tree_view)10911 gtk_tree_view_get_hadjustment (GtkTreeView *tree_view)
10912 {
10913 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
10914
10915 if (tree_view->priv->hadjustment == NULL)
10916 gtk_tree_view_set_hadjustment (tree_view, NULL);
10917
10918 return tree_view->priv->hadjustment;
10919 }
10920
10921 /**
10922 * gtk_tree_view_set_hadjustment:
10923 * @tree_view: A #GtkTreeView
10924 * @adjustment: (allow-none): The #GtkAdjustment to set, or %NULL
10925 *
10926 * Sets the #GtkAdjustment for the current horizontal aspect.
10927 **/
10928 void
gtk_tree_view_set_hadjustment(GtkTreeView * tree_view,GtkAdjustment * adjustment)10929 gtk_tree_view_set_hadjustment (GtkTreeView *tree_view,
10930 GtkAdjustment *adjustment)
10931 {
10932 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
10933
10934 gtk_tree_view_set_adjustments (tree_view,
10935 adjustment,
10936 tree_view->priv->vadjustment);
10937
10938 g_object_notify (G_OBJECT (tree_view), "hadjustment");
10939 }
10940
10941 /**
10942 * gtk_tree_view_get_vadjustment:
10943 * @tree_view: A #GtkTreeView
10944 *
10945 * Gets the #GtkAdjustment currently being used for the vertical aspect.
10946 *
10947 * Return value: (transfer none): A #GtkAdjustment object, or %NULL
10948 * if none is currently being used.
10949 **/
10950 GtkAdjustment *
gtk_tree_view_get_vadjustment(GtkTreeView * tree_view)10951 gtk_tree_view_get_vadjustment (GtkTreeView *tree_view)
10952 {
10953 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
10954
10955 if (tree_view->priv->vadjustment == NULL)
10956 gtk_tree_view_set_vadjustment (tree_view, NULL);
10957
10958 return tree_view->priv->vadjustment;
10959 }
10960
10961 /**
10962 * gtk_tree_view_set_vadjustment:
10963 * @tree_view: A #GtkTreeView
10964 * @adjustment: (allow-none): The #GtkAdjustment to set, or %NULL
10965 *
10966 * Sets the #GtkAdjustment for the current vertical aspect.
10967 **/
10968 void
gtk_tree_view_set_vadjustment(GtkTreeView * tree_view,GtkAdjustment * adjustment)10969 gtk_tree_view_set_vadjustment (GtkTreeView *tree_view,
10970 GtkAdjustment *adjustment)
10971 {
10972 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
10973
10974 gtk_tree_view_set_adjustments (tree_view,
10975 tree_view->priv->hadjustment,
10976 adjustment);
10977
10978 g_object_notify (G_OBJECT (tree_view), "vadjustment");
10979 }
10980
10981 /* Column and header operations */
10982
10983 /**
10984 * gtk_tree_view_get_headers_visible:
10985 * @tree_view: A #GtkTreeView.
10986 *
10987 * Returns %TRUE if the headers on the @tree_view are visible.
10988 *
10989 * Return value: Whether the headers are visible or not.
10990 **/
10991 gboolean
gtk_tree_view_get_headers_visible(GtkTreeView * tree_view)10992 gtk_tree_view_get_headers_visible (GtkTreeView *tree_view)
10993 {
10994 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
10995
10996 return GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE);
10997 }
10998
10999 /**
11000 * gtk_tree_view_set_headers_visible:
11001 * @tree_view: A #GtkTreeView.
11002 * @headers_visible: %TRUE if the headers are visible
11003 *
11004 * Sets the visibility state of the headers.
11005 **/
11006 void
gtk_tree_view_set_headers_visible(GtkTreeView * tree_view,gboolean headers_visible)11007 gtk_tree_view_set_headers_visible (GtkTreeView *tree_view,
11008 gboolean headers_visible)
11009 {
11010 gint x, y;
11011 GList *list;
11012 GtkTreeViewColumn *column;
11013
11014 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
11015
11016 headers_visible = !! headers_visible;
11017
11018 if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE) == headers_visible)
11019 return;
11020
11021 if (headers_visible)
11022 GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE);
11023 else
11024 GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE);
11025
11026 if (gtk_widget_get_realized (GTK_WIDGET (tree_view)))
11027 {
11028 gdk_window_get_position (tree_view->priv->bin_window, &x, &y);
11029 if (headers_visible)
11030 {
11031 gdk_window_move_resize (tree_view->priv->bin_window, x, y + TREE_VIEW_HEADER_HEIGHT (tree_view), tree_view->priv->width, GTK_WIDGET (tree_view)->allocation.height - + TREE_VIEW_HEADER_HEIGHT (tree_view));
11032
11033 if (gtk_widget_get_mapped (GTK_WIDGET (tree_view)))
11034 gtk_tree_view_map_buttons (tree_view);
11035 }
11036 else
11037 {
11038 gdk_window_move_resize (tree_view->priv->bin_window, x, y, tree_view->priv->width, tree_view->priv->height);
11039
11040 for (list = tree_view->priv->columns; list; list = list->next)
11041 {
11042 column = list->data;
11043 gtk_widget_unmap (column->button);
11044 }
11045 gdk_window_hide (tree_view->priv->header_window);
11046 }
11047 }
11048
11049 tree_view->priv->vadjustment->page_size = GTK_WIDGET (tree_view)->allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view);
11050 tree_view->priv->vadjustment->page_increment = (GTK_WIDGET (tree_view)->allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view)) / 2;
11051 tree_view->priv->vadjustment->lower = 0;
11052 tree_view->priv->vadjustment->upper = tree_view->priv->height;
11053 gtk_adjustment_changed (tree_view->priv->vadjustment);
11054
11055 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
11056
11057 g_object_notify (G_OBJECT (tree_view), "headers-visible");
11058 }
11059
11060 /**
11061 * gtk_tree_view_columns_autosize:
11062 * @tree_view: A #GtkTreeView.
11063 *
11064 * Resizes all columns to their optimal width. Only works after the
11065 * treeview has been realized.
11066 **/
11067 void
gtk_tree_view_columns_autosize(GtkTreeView * tree_view)11068 gtk_tree_view_columns_autosize (GtkTreeView *tree_view)
11069 {
11070 gboolean dirty = FALSE;
11071 GList *list;
11072 GtkTreeViewColumn *column;
11073
11074 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
11075
11076 for (list = tree_view->priv->columns; list; list = list->next)
11077 {
11078 column = list->data;
11079 if (column->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
11080 continue;
11081 _gtk_tree_view_column_cell_set_dirty (column, TRUE);
11082 dirty = TRUE;
11083 }
11084
11085 if (dirty)
11086 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
11087 }
11088
11089 /**
11090 * gtk_tree_view_set_headers_clickable:
11091 * @tree_view: A #GtkTreeView.
11092 * @setting: %TRUE if the columns are clickable.
11093 *
11094 * Allow the column title buttons to be clicked.
11095 **/
11096 void
gtk_tree_view_set_headers_clickable(GtkTreeView * tree_view,gboolean setting)11097 gtk_tree_view_set_headers_clickable (GtkTreeView *tree_view,
11098 gboolean setting)
11099 {
11100 GList *list;
11101
11102 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
11103
11104 for (list = tree_view->priv->columns; list; list = list->next)
11105 gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (list->data), setting);
11106
11107 g_object_notify (G_OBJECT (tree_view), "headers-clickable");
11108 }
11109
11110
11111 /**
11112 * gtk_tree_view_get_headers_clickable:
11113 * @tree_view: A #GtkTreeView.
11114 *
11115 * Returns whether all header columns are clickable.
11116 *
11117 * Return value: %TRUE if all header columns are clickable, otherwise %FALSE
11118 *
11119 * Since: 2.10
11120 **/
11121 gboolean
gtk_tree_view_get_headers_clickable(GtkTreeView * tree_view)11122 gtk_tree_view_get_headers_clickable (GtkTreeView *tree_view)
11123 {
11124 GList *list;
11125
11126 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
11127
11128 for (list = tree_view->priv->columns; list; list = list->next)
11129 if (!GTK_TREE_VIEW_COLUMN (list->data)->clickable)
11130 return FALSE;
11131
11132 return TRUE;
11133 }
11134
11135 /**
11136 * gtk_tree_view_set_rules_hint
11137 * @tree_view: a #GtkTreeView
11138 * @setting: %TRUE if the tree requires reading across rows
11139 *
11140 * This function tells GTK+ that the user interface for your
11141 * application requires users to read across tree rows and associate
11142 * cells with one another. By default, GTK+ will then render the tree
11143 * with alternating row colors. Do <emphasis>not</emphasis> use it
11144 * just because you prefer the appearance of the ruled tree; that's a
11145 * question for the theme. Some themes will draw tree rows in
11146 * alternating colors even when rules are turned off, and users who
11147 * prefer that appearance all the time can choose those themes. You
11148 * should call this function only as a <emphasis>semantic</emphasis>
11149 * hint to the theme engine that your tree makes alternating colors
11150 * useful from a functional standpoint (since it has lots of columns,
11151 * generally).
11152 *
11153 **/
11154 void
gtk_tree_view_set_rules_hint(GtkTreeView * tree_view,gboolean setting)11155 gtk_tree_view_set_rules_hint (GtkTreeView *tree_view,
11156 gboolean setting)
11157 {
11158 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
11159
11160 setting = setting != FALSE;
11161
11162 if (tree_view->priv->has_rules != setting)
11163 {
11164 tree_view->priv->has_rules = setting;
11165 gtk_widget_queue_draw (GTK_WIDGET (tree_view));
11166 }
11167
11168 g_object_notify (G_OBJECT (tree_view), "rules-hint");
11169 }
11170
11171 /**
11172 * gtk_tree_view_get_rules_hint
11173 * @tree_view: a #GtkTreeView
11174 *
11175 * Gets the setting set by gtk_tree_view_set_rules_hint().
11176 *
11177 * Return value: %TRUE if rules are useful for the user of this tree
11178 **/
11179 gboolean
gtk_tree_view_get_rules_hint(GtkTreeView * tree_view)11180 gtk_tree_view_get_rules_hint (GtkTreeView *tree_view)
11181 {
11182 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
11183
11184 return tree_view->priv->has_rules;
11185 }
11186
11187 /* Public Column functions
11188 */
11189
11190 /**
11191 * gtk_tree_view_append_column:
11192 * @tree_view: A #GtkTreeView.
11193 * @column: The #GtkTreeViewColumn to add.
11194 *
11195 * Appends @column to the list of columns. If @tree_view has "fixed_height"
11196 * mode enabled, then @column must have its "sizing" property set to be
11197 * GTK_TREE_VIEW_COLUMN_FIXED.
11198 *
11199 * Return value: The number of columns in @tree_view after appending.
11200 **/
11201 gint
gtk_tree_view_append_column(GtkTreeView * tree_view,GtkTreeViewColumn * column)11202 gtk_tree_view_append_column (GtkTreeView *tree_view,
11203 GtkTreeViewColumn *column)
11204 {
11205 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1);
11206 g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), -1);
11207 g_return_val_if_fail (column->tree_view == NULL, -1);
11208
11209 return gtk_tree_view_insert_column (tree_view, column, -1);
11210 }
11211
11212
11213 /**
11214 * gtk_tree_view_remove_column:
11215 * @tree_view: A #GtkTreeView.
11216 * @column: The #GtkTreeViewColumn to remove.
11217 *
11218 * Removes @column from @tree_view.
11219 *
11220 * Return value: The number of columns in @tree_view after removing.
11221 **/
11222 gint
gtk_tree_view_remove_column(GtkTreeView * tree_view,GtkTreeViewColumn * column)11223 gtk_tree_view_remove_column (GtkTreeView *tree_view,
11224 GtkTreeViewColumn *column)
11225 {
11226 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1);
11227 g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), -1);
11228 g_return_val_if_fail (column->tree_view == GTK_WIDGET (tree_view), -1);
11229
11230 if (tree_view->priv->focus_column == column)
11231 tree_view->priv->focus_column = NULL;
11232
11233 if (tree_view->priv->edited_column == column)
11234 {
11235 gtk_tree_view_stop_editing (tree_view, TRUE);
11236
11237 /* no need to, but just to be sure ... */
11238 tree_view->priv->edited_column = NULL;
11239 }
11240
11241 if (tree_view->priv->expander_column == column)
11242 tree_view->priv->expander_column = NULL;
11243
11244 g_signal_handlers_disconnect_by_func (column,
11245 G_CALLBACK (column_sizing_notify),
11246 tree_view);
11247
11248 _gtk_tree_view_column_unset_tree_view (column);
11249
11250 tree_view->priv->columns = g_list_remove (tree_view->priv->columns, column);
11251 tree_view->priv->n_columns--;
11252
11253 if (gtk_widget_get_realized (GTK_WIDGET (tree_view)))
11254 {
11255 GList *list;
11256
11257 _gtk_tree_view_column_unrealize_button (column);
11258 for (list = tree_view->priv->columns; list; list = list->next)
11259 {
11260 GtkTreeViewColumn *tmp_column;
11261
11262 tmp_column = GTK_TREE_VIEW_COLUMN (list->data);
11263 if (tmp_column->visible)
11264 _gtk_tree_view_column_cell_set_dirty (tmp_column, TRUE);
11265 }
11266
11267 if (tree_view->priv->n_columns == 0 &&
11268 gtk_tree_view_get_headers_visible (tree_view))
11269 gdk_window_hide (tree_view->priv->header_window);
11270
11271 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
11272 }
11273
11274 g_object_unref (column);
11275 g_signal_emit (tree_view, tree_view_signals[COLUMNS_CHANGED], 0);
11276
11277 return tree_view->priv->n_columns;
11278 }
11279
11280 /**
11281 * gtk_tree_view_insert_column:
11282 * @tree_view: A #GtkTreeView.
11283 * @column: The #GtkTreeViewColumn to be inserted.
11284 * @position: The position to insert @column in.
11285 *
11286 * This inserts the @column into the @tree_view at @position. If @position is
11287 * -1, then the column is inserted at the end. If @tree_view has
11288 * "fixed_height" mode enabled, then @column must have its "sizing" property
11289 * set to be GTK_TREE_VIEW_COLUMN_FIXED.
11290 *
11291 * Return value: The number of columns in @tree_view after insertion.
11292 **/
11293 gint
gtk_tree_view_insert_column(GtkTreeView * tree_view,GtkTreeViewColumn * column,gint position)11294 gtk_tree_view_insert_column (GtkTreeView *tree_view,
11295 GtkTreeViewColumn *column,
11296 gint position)
11297 {
11298 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1);
11299 g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), -1);
11300 g_return_val_if_fail (column->tree_view == NULL, -1);
11301
11302 if (tree_view->priv->fixed_height_mode)
11303 g_return_val_if_fail (gtk_tree_view_column_get_sizing (column)
11304 == GTK_TREE_VIEW_COLUMN_FIXED, -1);
11305
11306 g_object_ref_sink (column);
11307
11308 if (tree_view->priv->n_columns == 0 &&
11309 gtk_widget_get_realized (GTK_WIDGET (tree_view)) &&
11310 gtk_tree_view_get_headers_visible (tree_view))
11311 {
11312 gdk_window_show (tree_view->priv->header_window);
11313 }
11314
11315 g_signal_connect (column, "notify::sizing",
11316 G_CALLBACK (column_sizing_notify), tree_view);
11317
11318 tree_view->priv->columns = g_list_insert (tree_view->priv->columns,
11319 column, position);
11320 tree_view->priv->n_columns++;
11321
11322 _gtk_tree_view_column_set_tree_view (column, tree_view);
11323
11324 if (gtk_widget_get_realized (GTK_WIDGET (tree_view)))
11325 {
11326 GList *list;
11327
11328 _gtk_tree_view_column_realize_button (column);
11329
11330 for (list = tree_view->priv->columns; list; list = list->next)
11331 {
11332 column = GTK_TREE_VIEW_COLUMN (list->data);
11333 if (column->visible)
11334 _gtk_tree_view_column_cell_set_dirty (column, TRUE);
11335 }
11336 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
11337 }
11338
11339 g_signal_emit (tree_view, tree_view_signals[COLUMNS_CHANGED], 0);
11340
11341 return tree_view->priv->n_columns;
11342 }
11343
11344 /**
11345 * gtk_tree_view_insert_column_with_attributes:
11346 * @tree_view: A #GtkTreeView
11347 * @position: The position to insert the new column in.
11348 * @title: The title to set the header to.
11349 * @cell: The #GtkCellRenderer.
11350 * @Varargs: A %NULL-terminated list of attributes.
11351 *
11352 * Creates a new #GtkTreeViewColumn and inserts it into the @tree_view at
11353 * @position. If @position is -1, then the newly created column is inserted at
11354 * the end. The column is initialized with the attributes given. If @tree_view
11355 * has "fixed_height" mode enabled, then the new column will have its sizing
11356 * property set to be GTK_TREE_VIEW_COLUMN_FIXED.
11357 *
11358 * Return value: The number of columns in @tree_view after insertion.
11359 **/
11360 gint
gtk_tree_view_insert_column_with_attributes(GtkTreeView * tree_view,gint position,const gchar * title,GtkCellRenderer * cell,...)11361 gtk_tree_view_insert_column_with_attributes (GtkTreeView *tree_view,
11362 gint position,
11363 const gchar *title,
11364 GtkCellRenderer *cell,
11365 ...)
11366 {
11367 GtkTreeViewColumn *column;
11368 gchar *attribute;
11369 va_list args;
11370 gint column_id;
11371
11372 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1);
11373
11374 column = gtk_tree_view_column_new ();
11375 if (tree_view->priv->fixed_height_mode)
11376 gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
11377
11378 gtk_tree_view_column_set_title (column, title);
11379 gtk_tree_view_column_pack_start (column, cell, TRUE);
11380
11381 va_start (args, cell);
11382
11383 attribute = va_arg (args, gchar *);
11384
11385 while (attribute != NULL)
11386 {
11387 column_id = va_arg (args, gint);
11388 gtk_tree_view_column_add_attribute (column, cell, attribute, column_id);
11389 attribute = va_arg (args, gchar *);
11390 }
11391
11392 va_end (args);
11393
11394 gtk_tree_view_insert_column (tree_view, column, position);
11395
11396 return tree_view->priv->n_columns;
11397 }
11398
11399 /**
11400 * gtk_tree_view_insert_column_with_data_func:
11401 * @tree_view: a #GtkTreeView
11402 * @position: Position to insert, -1 for append
11403 * @title: column title
11404 * @cell: cell renderer for column
11405 * @func: function to set attributes of cell renderer
11406 * @data: data for @func
11407 * @dnotify: destroy notifier for @data
11408 *
11409 * Convenience function that inserts a new column into the #GtkTreeView
11410 * with the given cell renderer and a #GtkCellDataFunc to set cell renderer
11411 * attributes (normally using data from the model). See also
11412 * gtk_tree_view_column_set_cell_data_func(), gtk_tree_view_column_pack_start().
11413 * If @tree_view has "fixed_height" mode enabled, then the new column will have its
11414 * "sizing" property set to be GTK_TREE_VIEW_COLUMN_FIXED.
11415 *
11416 * Return value: number of columns in the tree view post-insert
11417 **/
11418 gint
gtk_tree_view_insert_column_with_data_func(GtkTreeView * tree_view,gint position,const gchar * title,GtkCellRenderer * cell,GtkTreeCellDataFunc func,gpointer data,GDestroyNotify dnotify)11419 gtk_tree_view_insert_column_with_data_func (GtkTreeView *tree_view,
11420 gint position,
11421 const gchar *title,
11422 GtkCellRenderer *cell,
11423 GtkTreeCellDataFunc func,
11424 gpointer data,
11425 GDestroyNotify dnotify)
11426 {
11427 GtkTreeViewColumn *column;
11428
11429 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1);
11430
11431 column = gtk_tree_view_column_new ();
11432 if (tree_view->priv->fixed_height_mode)
11433 gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
11434
11435 gtk_tree_view_column_set_title (column, title);
11436 gtk_tree_view_column_pack_start (column, cell, TRUE);
11437 gtk_tree_view_column_set_cell_data_func (column, cell, func, data, dnotify);
11438
11439 gtk_tree_view_insert_column (tree_view, column, position);
11440
11441 return tree_view->priv->n_columns;
11442 }
11443
11444 /**
11445 * gtk_tree_view_get_column:
11446 * @tree_view: A #GtkTreeView.
11447 * @n: The position of the column, counting from 0.
11448 *
11449 * Gets the #GtkTreeViewColumn at the given position in the #tree_view.
11450 *
11451 * Return value: (transfer none): The #GtkTreeViewColumn, or %NULL if the
11452 * position is outside the range of columns.
11453 **/
11454 GtkTreeViewColumn *
gtk_tree_view_get_column(GtkTreeView * tree_view,gint n)11455 gtk_tree_view_get_column (GtkTreeView *tree_view,
11456 gint n)
11457 {
11458 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
11459
11460 if (n < 0 || n >= tree_view->priv->n_columns)
11461 return NULL;
11462
11463 if (tree_view->priv->columns == NULL)
11464 return NULL;
11465
11466 return GTK_TREE_VIEW_COLUMN (g_list_nth (tree_view->priv->columns, n)->data);
11467 }
11468
11469 /**
11470 * gtk_tree_view_get_columns:
11471 * @tree_view: A #GtkTreeView
11472 *
11473 * Returns a #GList of all the #GtkTreeViewColumn s currently in @tree_view.
11474 * The returned list must be freed with g_list_free ().
11475 *
11476 * Return value: (element-type GtkTreeViewColumn) (transfer container): A list of #GtkTreeViewColumn s
11477 **/
11478 GList *
gtk_tree_view_get_columns(GtkTreeView * tree_view)11479 gtk_tree_view_get_columns (GtkTreeView *tree_view)
11480 {
11481 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
11482
11483 return g_list_copy (tree_view->priv->columns);
11484 }
11485
11486 /**
11487 * gtk_tree_view_move_column_after:
11488 * @tree_view: A #GtkTreeView
11489 * @column: The #GtkTreeViewColumn to be moved.
11490 * @base_column: (allow-none): The #GtkTreeViewColumn to be moved relative to, or %NULL.
11491 *
11492 * Moves @column to be after to @base_column. If @base_column is %NULL, then
11493 * @column is placed in the first position.
11494 **/
11495 void
gtk_tree_view_move_column_after(GtkTreeView * tree_view,GtkTreeViewColumn * column,GtkTreeViewColumn * base_column)11496 gtk_tree_view_move_column_after (GtkTreeView *tree_view,
11497 GtkTreeViewColumn *column,
11498 GtkTreeViewColumn *base_column)
11499 {
11500 GList *column_list_el, *base_el = NULL;
11501
11502 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
11503
11504 column_list_el = g_list_find (tree_view->priv->columns, column);
11505 g_return_if_fail (column_list_el != NULL);
11506
11507 if (base_column)
11508 {
11509 base_el = g_list_find (tree_view->priv->columns, base_column);
11510 g_return_if_fail (base_el != NULL);
11511 }
11512
11513 if (column_list_el->prev == base_el)
11514 return;
11515
11516 tree_view->priv->columns = g_list_remove_link (tree_view->priv->columns, column_list_el);
11517 if (base_el == NULL)
11518 {
11519 column_list_el->prev = NULL;
11520 column_list_el->next = tree_view->priv->columns;
11521 if (column_list_el->next)
11522 column_list_el->next->prev = column_list_el;
11523 tree_view->priv->columns = column_list_el;
11524 }
11525 else
11526 {
11527 column_list_el->prev = base_el;
11528 column_list_el->next = base_el->next;
11529 if (column_list_el->next)
11530 column_list_el->next->prev = column_list_el;
11531 base_el->next = column_list_el;
11532 }
11533
11534 if (gtk_widget_get_realized (GTK_WIDGET (tree_view)))
11535 {
11536 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
11537 gtk_tree_view_size_allocate_columns (GTK_WIDGET (tree_view), NULL);
11538 }
11539
11540 g_signal_emit (tree_view, tree_view_signals[COLUMNS_CHANGED], 0);
11541 }
11542
11543 /**
11544 * gtk_tree_view_set_expander_column:
11545 * @tree_view: A #GtkTreeView
11546 * @column: %NULL, or the column to draw the expander arrow at.
11547 *
11548 * Sets the column to draw the expander arrow at. It must be in @tree_view.
11549 * If @column is %NULL, then the expander arrow is always at the first
11550 * visible column.
11551 *
11552 * If you do not want expander arrow to appear in your tree, set the
11553 * expander column to a hidden column.
11554 **/
11555 void
gtk_tree_view_set_expander_column(GtkTreeView * tree_view,GtkTreeViewColumn * column)11556 gtk_tree_view_set_expander_column (GtkTreeView *tree_view,
11557 GtkTreeViewColumn *column)
11558 {
11559 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
11560 g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column));
11561
11562 if (tree_view->priv->expander_column != column)
11563 {
11564 GList *list;
11565
11566 if (column)
11567 {
11568 /* Confirm that column is in tree_view */
11569 for (list = tree_view->priv->columns; list; list = list->next)
11570 if (list->data == column)
11571 break;
11572 g_return_if_fail (list != NULL);
11573 }
11574
11575 tree_view->priv->expander_column = column;
11576 g_object_notify (G_OBJECT (tree_view), "expander-column");
11577 }
11578 }
11579
11580 /**
11581 * gtk_tree_view_get_expander_column:
11582 * @tree_view: A #GtkTreeView
11583 *
11584 * Returns the column that is the current expander column.
11585 * This column has the expander arrow drawn next to it.
11586 *
11587 * Return value: (transfer none): The expander column.
11588 **/
11589 GtkTreeViewColumn *
gtk_tree_view_get_expander_column(GtkTreeView * tree_view)11590 gtk_tree_view_get_expander_column (GtkTreeView *tree_view)
11591 {
11592 GList *list;
11593
11594 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
11595
11596 for (list = tree_view->priv->columns; list; list = list->next)
11597 if (gtk_tree_view_is_expander_column (tree_view, GTK_TREE_VIEW_COLUMN (list->data)))
11598 return (GtkTreeViewColumn *) list->data;
11599 return NULL;
11600 }
11601
11602
11603 /**
11604 * gtk_tree_view_set_column_drag_function:
11605 * @tree_view: A #GtkTreeView.
11606 * @func: (allow-none): A function to determine which columns are reorderable, or %NULL.
11607 * @user_data: (allow-none): User data to be passed to @func, or %NULL
11608 * @destroy: (allow-none): Destroy notifier for @user_data, or %NULL
11609 *
11610 * Sets a user function for determining where a column may be dropped when
11611 * dragged. This function is called on every column pair in turn at the
11612 * beginning of a column drag to determine where a drop can take place. The
11613 * arguments passed to @func are: the @tree_view, the #GtkTreeViewColumn being
11614 * dragged, the two #GtkTreeViewColumn s determining the drop spot, and
11615 * @user_data. If either of the #GtkTreeViewColumn arguments for the drop spot
11616 * are %NULL, then they indicate an edge. If @func is set to be %NULL, then
11617 * @tree_view reverts to the default behavior of allowing all columns to be
11618 * dropped everywhere.
11619 **/
11620 void
gtk_tree_view_set_column_drag_function(GtkTreeView * tree_view,GtkTreeViewColumnDropFunc func,gpointer user_data,GDestroyNotify destroy)11621 gtk_tree_view_set_column_drag_function (GtkTreeView *tree_view,
11622 GtkTreeViewColumnDropFunc func,
11623 gpointer user_data,
11624 GDestroyNotify destroy)
11625 {
11626 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
11627
11628 if (tree_view->priv->column_drop_func_data_destroy)
11629 tree_view->priv->column_drop_func_data_destroy (tree_view->priv->column_drop_func_data);
11630
11631 tree_view->priv->column_drop_func = func;
11632 tree_view->priv->column_drop_func_data = user_data;
11633 tree_view->priv->column_drop_func_data_destroy = destroy;
11634 }
11635
11636 /**
11637 * gtk_tree_view_scroll_to_point:
11638 * @tree_view: a #GtkTreeView
11639 * @tree_x: X coordinate of new top-left pixel of visible area, or -1
11640 * @tree_y: Y coordinate of new top-left pixel of visible area, or -1
11641 *
11642 * Scrolls the tree view such that the top-left corner of the visible
11643 * area is @tree_x, @tree_y, where @tree_x and @tree_y are specified
11644 * in tree coordinates. The @tree_view must be realized before
11645 * this function is called. If it isn't, you probably want to be
11646 * using gtk_tree_view_scroll_to_cell().
11647 *
11648 * If either @tree_x or @tree_y are -1, then that direction isn't scrolled.
11649 **/
11650 void
gtk_tree_view_scroll_to_point(GtkTreeView * tree_view,gint tree_x,gint tree_y)11651 gtk_tree_view_scroll_to_point (GtkTreeView *tree_view,
11652 gint tree_x,
11653 gint tree_y)
11654 {
11655 GtkAdjustment *hadj;
11656 GtkAdjustment *vadj;
11657
11658 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
11659 g_return_if_fail (gtk_widget_get_realized (GTK_WIDGET (tree_view)));
11660
11661 hadj = tree_view->priv->hadjustment;
11662 vadj = tree_view->priv->vadjustment;
11663
11664 if (tree_x != -1)
11665 gtk_adjustment_set_value (hadj, CLAMP (tree_x, hadj->lower, hadj->upper - hadj->page_size));
11666 if (tree_y != -1)
11667 gtk_adjustment_set_value (vadj, CLAMP (tree_y, vadj->lower, vadj->upper - vadj->page_size));
11668 }
11669
11670 /**
11671 * gtk_tree_view_scroll_to_cell:
11672 * @tree_view: A #GtkTreeView.
11673 * @path: (allow-none): The path of the row to move to, or %NULL.
11674 * @column: (allow-none): The #GtkTreeViewColumn to move horizontally to, or %NULL.
11675 * @use_align: whether to use alignment arguments, or %FALSE.
11676 * @row_align: The vertical alignment of the row specified by @path.
11677 * @col_align: The horizontal alignment of the column specified by @column.
11678 *
11679 * Moves the alignments of @tree_view to the position specified by @column and
11680 * @path. If @column is %NULL, then no horizontal scrolling occurs. Likewise,
11681 * if @path is %NULL no vertical scrolling occurs. At a minimum, one of @column
11682 * or @path need to be non-%NULL. @row_align determines where the row is
11683 * placed, and @col_align determines where @column is placed. Both are expected
11684 * to be between 0.0 and 1.0. 0.0 means left/top alignment, 1.0 means
11685 * right/bottom alignment, 0.5 means center.
11686 *
11687 * If @use_align is %FALSE, then the alignment arguments are ignored, and the
11688 * tree does the minimum amount of work to scroll the cell onto the screen.
11689 * This means that the cell will be scrolled to the edge closest to its current
11690 * position. If the cell is currently visible on the screen, nothing is done.
11691 *
11692 * This function only works if the model is set, and @path is a valid row on the
11693 * model. If the model changes before the @tree_view is realized, the centered
11694 * path will be modified to reflect this change.
11695 **/
11696 void
gtk_tree_view_scroll_to_cell(GtkTreeView * tree_view,GtkTreePath * path,GtkTreeViewColumn * column,gboolean use_align,gfloat row_align,gfloat col_align)11697 gtk_tree_view_scroll_to_cell (GtkTreeView *tree_view,
11698 GtkTreePath *path,
11699 GtkTreeViewColumn *column,
11700 gboolean use_align,
11701 gfloat row_align,
11702 gfloat col_align)
11703 {
11704 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
11705 g_return_if_fail (tree_view->priv->model != NULL);
11706 g_return_if_fail (tree_view->priv->tree != NULL);
11707 g_return_if_fail (row_align >= 0.0 && row_align <= 1.0);
11708 g_return_if_fail (col_align >= 0.0 && col_align <= 1.0);
11709 g_return_if_fail (path != NULL || column != NULL);
11710
11711 #if 0
11712 g_print ("gtk_tree_view_scroll_to_cell:\npath: %s\ncolumn: %s\nuse_align: %d\nrow_align: %f\ncol_align: %f\n",
11713 gtk_tree_path_to_string (path), column?"non-null":"null", use_align, row_align, col_align);
11714 #endif
11715 row_align = CLAMP (row_align, 0.0, 1.0);
11716 col_align = CLAMP (col_align, 0.0, 1.0);
11717
11718
11719 /* Note: Despite the benefits that come from having one code path for the
11720 * scrolling code, we short-circuit validate_visible_area's immplementation as
11721 * it is much slower than just going to the point.
11722 */
11723 if (!gtk_widget_get_visible (GTK_WIDGET (tree_view)) ||
11724 !gtk_widget_get_realized (GTK_WIDGET (tree_view)) ||
11725 GTK_WIDGET_ALLOC_NEEDED (tree_view) ||
11726 GTK_RBNODE_FLAG_SET (tree_view->priv->tree->root, GTK_RBNODE_DESCENDANTS_INVALID))
11727 {
11728 if (tree_view->priv->scroll_to_path)
11729 gtk_tree_row_reference_free (tree_view->priv->scroll_to_path);
11730
11731 tree_view->priv->scroll_to_path = NULL;
11732 tree_view->priv->scroll_to_column = NULL;
11733
11734 if (path)
11735 tree_view->priv->scroll_to_path = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), tree_view->priv->model, path);
11736 if (column)
11737 tree_view->priv->scroll_to_column = column;
11738 tree_view->priv->scroll_to_use_align = use_align;
11739 tree_view->priv->scroll_to_row_align = row_align;
11740 tree_view->priv->scroll_to_col_align = col_align;
11741
11742 install_presize_handler (tree_view);
11743 }
11744 else
11745 {
11746 GdkRectangle cell_rect;
11747 GdkRectangle vis_rect;
11748 gint dest_x, dest_y;
11749
11750 gtk_tree_view_get_background_area (tree_view, path, column, &cell_rect);
11751 gtk_tree_view_get_visible_rect (tree_view, &vis_rect);
11752
11753 cell_rect.y = TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, cell_rect.y);
11754
11755 dest_x = vis_rect.x;
11756 dest_y = vis_rect.y;
11757
11758 if (column)
11759 {
11760 if (use_align)
11761 {
11762 dest_x = cell_rect.x - ((vis_rect.width - cell_rect.width) * col_align);
11763 }
11764 else
11765 {
11766 if (cell_rect.x < vis_rect.x)
11767 dest_x = cell_rect.x;
11768 if (cell_rect.x + cell_rect.width > vis_rect.x + vis_rect.width)
11769 dest_x = cell_rect.x + cell_rect.width - vis_rect.width;
11770 }
11771 }
11772
11773 if (path)
11774 {
11775 if (use_align)
11776 {
11777 dest_y = cell_rect.y - ((vis_rect.height - cell_rect.height) * row_align);
11778 dest_y = MAX (dest_y, 0);
11779 }
11780 else
11781 {
11782 if (cell_rect.y < vis_rect.y)
11783 dest_y = cell_rect.y;
11784 if (cell_rect.y + cell_rect.height > vis_rect.y + vis_rect.height)
11785 dest_y = cell_rect.y + cell_rect.height - vis_rect.height;
11786 }
11787 }
11788
11789 gtk_tree_view_scroll_to_point (tree_view, dest_x, dest_y);
11790 }
11791 }
11792
11793 /**
11794 * gtk_tree_view_row_activated:
11795 * @tree_view: A #GtkTreeView
11796 * @path: The #GtkTreePath to be activated.
11797 * @column: The #GtkTreeViewColumn to be activated.
11798 *
11799 * Activates the cell determined by @path and @column.
11800 **/
11801 void
gtk_tree_view_row_activated(GtkTreeView * tree_view,GtkTreePath * path,GtkTreeViewColumn * column)11802 gtk_tree_view_row_activated (GtkTreeView *tree_view,
11803 GtkTreePath *path,
11804 GtkTreeViewColumn *column)
11805 {
11806 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
11807
11808 g_signal_emit (tree_view, tree_view_signals[ROW_ACTIVATED], 0, path, column);
11809 }
11810
11811
11812 static void
gtk_tree_view_expand_all_emission_helper(GtkRBTree * tree,GtkRBNode * node,gpointer data)11813 gtk_tree_view_expand_all_emission_helper (GtkRBTree *tree,
11814 GtkRBNode *node,
11815 gpointer data)
11816 {
11817 GtkTreeView *tree_view = data;
11818
11819 if ((node->flags & GTK_RBNODE_IS_PARENT) == GTK_RBNODE_IS_PARENT &&
11820 node->children)
11821 {
11822 GtkTreePath *path;
11823 GtkTreeIter iter;
11824
11825 path = _gtk_tree_view_find_path (tree_view, tree, node);
11826 gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
11827
11828 g_signal_emit (tree_view, tree_view_signals[ROW_EXPANDED], 0, &iter, path);
11829
11830 gtk_tree_path_free (path);
11831 }
11832
11833 if (node->children)
11834 _gtk_rbtree_traverse (node->children,
11835 node->children->root,
11836 G_PRE_ORDER,
11837 gtk_tree_view_expand_all_emission_helper,
11838 tree_view);
11839 }
11840
11841 /**
11842 * gtk_tree_view_expand_all:
11843 * @tree_view: A #GtkTreeView.
11844 *
11845 * Recursively expands all nodes in the @tree_view.
11846 **/
11847 void
gtk_tree_view_expand_all(GtkTreeView * tree_view)11848 gtk_tree_view_expand_all (GtkTreeView *tree_view)
11849 {
11850 GtkTreePath *path;
11851 GtkRBTree *tree;
11852 GtkRBNode *node;
11853
11854 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
11855
11856 if (tree_view->priv->tree == NULL)
11857 return;
11858
11859 path = gtk_tree_path_new_first ();
11860 _gtk_tree_view_find_node (tree_view, path, &tree, &node);
11861
11862 while (node)
11863 {
11864 gtk_tree_view_real_expand_row (tree_view, path, tree, node, TRUE, FALSE);
11865 node = _gtk_rbtree_next (tree, node);
11866 gtk_tree_path_next (path);
11867 }
11868
11869 gtk_tree_path_free (path);
11870 }
11871
11872 /* Timeout to animate the expander during expands and collapses */
11873 static gboolean
expand_collapse_timeout(gpointer data)11874 expand_collapse_timeout (gpointer data)
11875 {
11876 GtkTreeView *tree_view = GTK_TREE_VIEW (data);
11877 gboolean retval = do_expand_collapse (data);
11878
11879 if (! retval)
11880 remove_expand_collapse_timeout (tree_view);
11881
11882 return retval;
11883 }
11884
11885 static void
add_expand_collapse_timeout(GtkTreeView * tree_view,GtkRBTree * tree,GtkRBNode * node,gboolean expand)11886 add_expand_collapse_timeout (GtkTreeView *tree_view,
11887 GtkRBTree *tree,
11888 GtkRBNode *node,
11889 gboolean expand)
11890 {
11891 if (tree_view->priv->expand_collapse_timeout != 0)
11892 return;
11893
11894 tree_view->priv->expand_collapse_timeout =
11895 gdk_threads_add_timeout (50, expand_collapse_timeout, tree_view);
11896 tree_view->priv->expanded_collapsed_tree = tree;
11897 tree_view->priv->expanded_collapsed_node = node;
11898
11899 if (expand)
11900 GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED);
11901 else
11902 GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED);
11903 }
11904
11905 static void
remove_expand_collapse_timeout(GtkTreeView * tree_view)11906 remove_expand_collapse_timeout (GtkTreeView *tree_view)
11907 {
11908 if (tree_view->priv->expand_collapse_timeout)
11909 {
11910 g_source_remove (tree_view->priv->expand_collapse_timeout);
11911 tree_view->priv->expand_collapse_timeout = 0;
11912 }
11913
11914 if (tree_view->priv->expanded_collapsed_node != NULL)
11915 {
11916 GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_EXPANDED);
11917 GTK_RBNODE_UNSET_FLAG (tree_view->priv->expanded_collapsed_node, GTK_RBNODE_IS_SEMI_COLLAPSED);
11918
11919 tree_view->priv->expanded_collapsed_node = NULL;
11920 }
11921 }
11922
11923 static void
cancel_arrow_animation(GtkTreeView * tree_view)11924 cancel_arrow_animation (GtkTreeView *tree_view)
11925 {
11926 if (tree_view->priv->expand_collapse_timeout)
11927 {
11928 while (do_expand_collapse (tree_view));
11929
11930 remove_expand_collapse_timeout (tree_view);
11931 }
11932 }
11933
11934 static gboolean
do_expand_collapse(GtkTreeView * tree_view)11935 do_expand_collapse (GtkTreeView *tree_view)
11936 {
11937 GtkRBNode *node;
11938 GtkRBTree *tree;
11939 gboolean expanding;
11940 gboolean redraw;
11941
11942 redraw = FALSE;
11943 expanding = TRUE;
11944
11945 node = tree_view->priv->expanded_collapsed_node;
11946 tree = tree_view->priv->expanded_collapsed_tree;
11947
11948 if (node->children == NULL)
11949 expanding = FALSE;
11950
11951 if (expanding)
11952 {
11953 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_COLLAPSED))
11954 {
11955 GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED);
11956 GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED);
11957
11958 redraw = TRUE;
11959
11960 }
11961 else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_EXPANDED))
11962 {
11963 GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED);
11964
11965 redraw = TRUE;
11966 }
11967 }
11968 else
11969 {
11970 if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_EXPANDED))
11971 {
11972 GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_EXPANDED);
11973 GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED);
11974
11975 redraw = TRUE;
11976 }
11977 else if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SEMI_COLLAPSED))
11978 {
11979 GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_IS_SEMI_COLLAPSED);
11980
11981 redraw = TRUE;
11982
11983 }
11984 }
11985
11986 if (redraw)
11987 {
11988 gtk_tree_view_queue_draw_arrow (tree_view, tree, node, NULL);
11989
11990 return TRUE;
11991 }
11992
11993 return FALSE;
11994 }
11995
11996 /**
11997 * gtk_tree_view_collapse_all:
11998 * @tree_view: A #GtkTreeView.
11999 *
12000 * Recursively collapses all visible, expanded nodes in @tree_view.
12001 **/
12002 void
gtk_tree_view_collapse_all(GtkTreeView * tree_view)12003 gtk_tree_view_collapse_all (GtkTreeView *tree_view)
12004 {
12005 GtkRBTree *tree;
12006 GtkRBNode *node;
12007 GtkTreePath *path;
12008 gint *indices;
12009
12010 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
12011
12012 if (tree_view->priv->tree == NULL)
12013 return;
12014
12015 path = gtk_tree_path_new ();
12016 gtk_tree_path_down (path);
12017 indices = gtk_tree_path_get_indices (path);
12018
12019 tree = tree_view->priv->tree;
12020 node = tree->root;
12021 while (node && node->left != tree->nil)
12022 node = node->left;
12023
12024 while (node)
12025 {
12026 if (node->children)
12027 gtk_tree_view_real_collapse_row (tree_view, path, tree, node, FALSE);
12028 indices[0]++;
12029 node = _gtk_rbtree_next (tree, node);
12030 }
12031
12032 gtk_tree_path_free (path);
12033 }
12034
12035 /**
12036 * gtk_tree_view_expand_to_path:
12037 * @tree_view: A #GtkTreeView.
12038 * @path: path to a row.
12039 *
12040 * Expands the row at @path. This will also expand all parent rows of
12041 * @path as necessary.
12042 *
12043 * Since: 2.2
12044 **/
12045 void
gtk_tree_view_expand_to_path(GtkTreeView * tree_view,GtkTreePath * path)12046 gtk_tree_view_expand_to_path (GtkTreeView *tree_view,
12047 GtkTreePath *path)
12048 {
12049 gint i, depth;
12050 gint *indices;
12051 GtkTreePath *tmp;
12052
12053 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
12054 g_return_if_fail (path != NULL);
12055
12056 depth = gtk_tree_path_get_depth (path);
12057 indices = gtk_tree_path_get_indices (path);
12058
12059 tmp = gtk_tree_path_new ();
12060 g_return_if_fail (tmp != NULL);
12061
12062 for (i = 0; i < depth; i++)
12063 {
12064 gtk_tree_path_append_index (tmp, indices[i]);
12065 gtk_tree_view_expand_row (tree_view, tmp, FALSE);
12066 }
12067
12068 gtk_tree_path_free (tmp);
12069 }
12070
12071 /* FIXME the bool return values for expand_row and collapse_row are
12072 * not analagous; they should be TRUE if the row had children and
12073 * was not already in the requested state.
12074 */
12075
12076
12077 static gboolean
gtk_tree_view_real_expand_row(GtkTreeView * tree_view,GtkTreePath * path,GtkRBTree * tree,GtkRBNode * node,gboolean open_all,gboolean animate)12078 gtk_tree_view_real_expand_row (GtkTreeView *tree_view,
12079 GtkTreePath *path,
12080 GtkRBTree *tree,
12081 GtkRBNode *node,
12082 gboolean open_all,
12083 gboolean animate)
12084 {
12085 GtkTreeIter iter;
12086 GtkTreeIter temp;
12087 gboolean expand;
12088
12089 if (animate)
12090 g_object_get (gtk_widget_get_settings (GTK_WIDGET (tree_view)),
12091 "gtk-enable-animations", &animate,
12092 NULL);
12093
12094 remove_auto_expand_timeout (tree_view);
12095
12096 if (node->children && !open_all)
12097 return FALSE;
12098
12099 if (! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT))
12100 return FALSE;
12101
12102 gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
12103 if (! gtk_tree_model_iter_has_child (tree_view->priv->model, &iter))
12104 return FALSE;
12105
12106
12107 if (node->children && open_all)
12108 {
12109 gboolean retval = FALSE;
12110 GtkTreePath *tmp_path = gtk_tree_path_copy (path);
12111
12112 gtk_tree_path_append_index (tmp_path, 0);
12113 tree = node->children;
12114 node = tree->root;
12115 while (node->left != tree->nil)
12116 node = node->left;
12117 /* try to expand the children */
12118 do
12119 {
12120 gboolean t;
12121 t = gtk_tree_view_real_expand_row (tree_view, tmp_path, tree, node,
12122 TRUE, animate);
12123 if (t)
12124 retval = TRUE;
12125
12126 gtk_tree_path_next (tmp_path);
12127 node = _gtk_rbtree_next (tree, node);
12128 }
12129 while (node != NULL);
12130
12131 gtk_tree_path_free (tmp_path);
12132
12133 return retval;
12134 }
12135
12136 g_signal_emit (tree_view, tree_view_signals[TEST_EXPAND_ROW], 0, &iter, path, &expand);
12137
12138 if (!gtk_tree_model_iter_has_child (tree_view->priv->model, &iter))
12139 return FALSE;
12140
12141 if (expand)
12142 return FALSE;
12143
12144 node->children = _gtk_rbtree_new ();
12145 node->children->parent_tree = tree;
12146 node->children->parent_node = node;
12147
12148 gtk_tree_model_iter_children (tree_view->priv->model, &temp, &iter);
12149
12150 gtk_tree_view_build_tree (tree_view,
12151 node->children,
12152 &temp,
12153 gtk_tree_path_get_depth (path) + 1,
12154 open_all);
12155
12156 remove_expand_collapse_timeout (tree_view);
12157
12158 if (animate)
12159 add_expand_collapse_timeout (tree_view, tree, node, TRUE);
12160
12161 install_presize_handler (tree_view);
12162
12163 g_signal_emit (tree_view, tree_view_signals[ROW_EXPANDED], 0, &iter, path);
12164 if (open_all && node->children)
12165 {
12166 _gtk_rbtree_traverse (node->children,
12167 node->children->root,
12168 G_PRE_ORDER,
12169 gtk_tree_view_expand_all_emission_helper,
12170 tree_view);
12171 }
12172 return TRUE;
12173 }
12174
12175
12176 /**
12177 * gtk_tree_view_expand_row:
12178 * @tree_view: a #GtkTreeView
12179 * @path: path to a row
12180 * @open_all: whether to recursively expand, or just expand immediate children
12181 *
12182 * Opens the row so its children are visible.
12183 *
12184 * Return value: %TRUE if the row existed and had children
12185 **/
12186 gboolean
gtk_tree_view_expand_row(GtkTreeView * tree_view,GtkTreePath * path,gboolean open_all)12187 gtk_tree_view_expand_row (GtkTreeView *tree_view,
12188 GtkTreePath *path,
12189 gboolean open_all)
12190 {
12191 GtkRBTree *tree;
12192 GtkRBNode *node;
12193
12194 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
12195 g_return_val_if_fail (tree_view->priv->model != NULL, FALSE);
12196 g_return_val_if_fail (path != NULL, FALSE);
12197
12198 if (_gtk_tree_view_find_node (tree_view,
12199 path,
12200 &tree,
12201 &node))
12202 return FALSE;
12203
12204 if (tree != NULL)
12205 return gtk_tree_view_real_expand_row (tree_view, path, tree, node, open_all, FALSE);
12206 else
12207 return FALSE;
12208 }
12209
12210 static gboolean
gtk_tree_view_real_collapse_row(GtkTreeView * tree_view,GtkTreePath * path,GtkRBTree * tree,GtkRBNode * node,gboolean animate)12211 gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
12212 GtkTreePath *path,
12213 GtkRBTree *tree,
12214 GtkRBNode *node,
12215 gboolean animate)
12216 {
12217 GtkTreeIter iter;
12218 GtkTreeIter children;
12219 gboolean collapse;
12220 gint x, y;
12221 GList *list;
12222 GdkWindow *child, *parent;
12223
12224 if (animate)
12225 g_object_get (gtk_widget_get_settings (GTK_WIDGET (tree_view)),
12226 "gtk-enable-animations", &animate,
12227 NULL);
12228
12229 remove_auto_expand_timeout (tree_view);
12230
12231 if (node->children == NULL)
12232 return FALSE;
12233
12234 gtk_tree_model_get_iter (tree_view->priv->model, &iter, path);
12235
12236 g_signal_emit (tree_view, tree_view_signals[TEST_COLLAPSE_ROW], 0, &iter, path, &collapse);
12237
12238 if (collapse)
12239 return FALSE;
12240
12241 /* if the prelighted node is a child of us, we want to unprelight it. We have
12242 * a chance to prelight the correct node below */
12243
12244 if (tree_view->priv->prelight_tree)
12245 {
12246 GtkRBTree *parent_tree;
12247 GtkRBNode *parent_node;
12248
12249 parent_tree = tree_view->priv->prelight_tree->parent_tree;
12250 parent_node = tree_view->priv->prelight_tree->parent_node;
12251 while (parent_tree)
12252 {
12253 if (parent_tree == tree && parent_node == node)
12254 {
12255 ensure_unprelighted (tree_view);
12256 break;
12257 }
12258 parent_node = parent_tree->parent_node;
12259 parent_tree = parent_tree->parent_tree;
12260 }
12261 }
12262
12263 TREE_VIEW_INTERNAL_ASSERT (gtk_tree_model_iter_children (tree_view->priv->model, &children, &iter), FALSE);
12264
12265 for (list = tree_view->priv->columns; list; list = list->next)
12266 {
12267 GtkTreeViewColumn *column = list->data;
12268
12269 if (column->visible == FALSE)
12270 continue;
12271 if (gtk_tree_view_column_get_sizing (column) == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
12272 _gtk_tree_view_column_cell_set_dirty (column, TRUE);
12273 }
12274
12275 if (tree_view->priv->destroy_count_func)
12276 {
12277 GtkTreePath *child_path;
12278 gint child_count = 0;
12279 child_path = gtk_tree_path_copy (path);
12280 gtk_tree_path_down (child_path);
12281 if (node->children)
12282 _gtk_rbtree_traverse (node->children, node->children->root, G_POST_ORDER, count_children_helper, &child_count);
12283 tree_view->priv->destroy_count_func (tree_view, child_path, child_count, tree_view->priv->destroy_count_data);
12284 gtk_tree_path_free (child_path);
12285 }
12286
12287 if (gtk_tree_row_reference_valid (tree_view->priv->cursor))
12288 {
12289 GtkTreePath *cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
12290
12291 if (gtk_tree_path_is_ancestor (path, cursor_path))
12292 {
12293 gtk_tree_row_reference_free (tree_view->priv->cursor);
12294 tree_view->priv->cursor = gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view),
12295 tree_view->priv->model,
12296 path);
12297 }
12298 gtk_tree_path_free (cursor_path);
12299 }
12300
12301 if (gtk_tree_row_reference_valid (tree_view->priv->anchor))
12302 {
12303 GtkTreePath *anchor_path = gtk_tree_row_reference_get_path (tree_view->priv->anchor);
12304 if (gtk_tree_path_is_ancestor (path, anchor_path))
12305 {
12306 gtk_tree_row_reference_free (tree_view->priv->anchor);
12307 tree_view->priv->anchor = NULL;
12308 }
12309 gtk_tree_path_free (anchor_path);
12310 }
12311
12312 /* Stop a pending double click */
12313 tree_view->priv->last_button_x = -1;
12314 tree_view->priv->last_button_y = -1;
12315
12316 remove_expand_collapse_timeout (tree_view);
12317
12318 if (gtk_tree_view_unref_and_check_selection_tree (tree_view, node->children))
12319 {
12320 _gtk_rbtree_remove (node->children);
12321 g_signal_emit_by_name (tree_view->priv->selection, "changed");
12322 }
12323 else
12324 _gtk_rbtree_remove (node->children);
12325
12326 if (animate)
12327 add_expand_collapse_timeout (tree_view, tree, node, FALSE);
12328
12329 if (gtk_widget_get_mapped (GTK_WIDGET (tree_view)))
12330 {
12331 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
12332 }
12333
12334 g_signal_emit (tree_view, tree_view_signals[ROW_COLLAPSED], 0, &iter, path);
12335
12336 if (gtk_widget_get_mapped (GTK_WIDGET (tree_view)))
12337 {
12338 /* now that we've collapsed all rows, we want to try to set the prelight
12339 * again. To do this, we fake a motion event and send it to ourselves. */
12340
12341 child = tree_view->priv->bin_window;
12342 parent = gdk_window_get_parent (child);
12343
12344 if (gdk_window_get_pointer (parent, &x, &y, NULL) == child)
12345 {
12346 GdkEventMotion event;
12347 gint child_x, child_y;
12348
12349 gdk_window_get_position (child, &child_x, &child_y);
12350
12351 event.window = tree_view->priv->bin_window;
12352 event.x = x - child_x;
12353 event.y = y - child_y;
12354
12355 /* despite the fact this isn't a real event, I'm almost positive it will
12356 * never trigger a drag event. maybe_drag is the only function that uses
12357 * more than just event.x and event.y. */
12358 gtk_tree_view_motion_bin_window (GTK_WIDGET (tree_view), &event);
12359 }
12360 }
12361
12362 return TRUE;
12363 }
12364
12365 /**
12366 * gtk_tree_view_collapse_row:
12367 * @tree_view: a #GtkTreeView
12368 * @path: path to a row in the @tree_view
12369 *
12370 * Collapses a row (hides its child rows, if they exist).
12371 *
12372 * Return value: %TRUE if the row was collapsed.
12373 **/
12374 gboolean
gtk_tree_view_collapse_row(GtkTreeView * tree_view,GtkTreePath * path)12375 gtk_tree_view_collapse_row (GtkTreeView *tree_view,
12376 GtkTreePath *path)
12377 {
12378 GtkRBTree *tree;
12379 GtkRBNode *node;
12380
12381 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
12382 g_return_val_if_fail (tree_view->priv->tree != NULL, FALSE);
12383 g_return_val_if_fail (path != NULL, FALSE);
12384
12385 if (_gtk_tree_view_find_node (tree_view,
12386 path,
12387 &tree,
12388 &node))
12389 return FALSE;
12390
12391 if (tree == NULL || node->children == NULL)
12392 return FALSE;
12393
12394 return gtk_tree_view_real_collapse_row (tree_view, path, tree, node, FALSE);
12395 }
12396
12397 static void
gtk_tree_view_map_expanded_rows_helper(GtkTreeView * tree_view,GtkRBTree * tree,GtkTreePath * path,GtkTreeViewMappingFunc func,gpointer user_data)12398 gtk_tree_view_map_expanded_rows_helper (GtkTreeView *tree_view,
12399 GtkRBTree *tree,
12400 GtkTreePath *path,
12401 GtkTreeViewMappingFunc func,
12402 gpointer user_data)
12403 {
12404 GtkRBNode *node;
12405
12406 if (tree == NULL || tree->root == NULL)
12407 return;
12408
12409 node = tree->root;
12410
12411 while (node && node->left != tree->nil)
12412 node = node->left;
12413
12414 while (node)
12415 {
12416 if (node->children)
12417 {
12418 (* func) (tree_view, path, user_data);
12419 gtk_tree_path_down (path);
12420 gtk_tree_view_map_expanded_rows_helper (tree_view, node->children, path, func, user_data);
12421 gtk_tree_path_up (path);
12422 }
12423 gtk_tree_path_next (path);
12424 node = _gtk_rbtree_next (tree, node);
12425 }
12426 }
12427
12428 /**
12429 * gtk_tree_view_map_expanded_rows:
12430 * @tree_view: A #GtkTreeView
12431 * @func: (scope call): A function to be called
12432 * @data: User data to be passed to the function.
12433 *
12434 * Calls @func on all expanded rows.
12435 **/
12436 void
gtk_tree_view_map_expanded_rows(GtkTreeView * tree_view,GtkTreeViewMappingFunc func,gpointer user_data)12437 gtk_tree_view_map_expanded_rows (GtkTreeView *tree_view,
12438 GtkTreeViewMappingFunc func,
12439 gpointer user_data)
12440 {
12441 GtkTreePath *path;
12442
12443 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
12444 g_return_if_fail (func != NULL);
12445
12446 path = gtk_tree_path_new_first ();
12447
12448 gtk_tree_view_map_expanded_rows_helper (tree_view,
12449 tree_view->priv->tree,
12450 path, func, user_data);
12451
12452 gtk_tree_path_free (path);
12453 }
12454
12455 /**
12456 * gtk_tree_view_row_expanded:
12457 * @tree_view: A #GtkTreeView.
12458 * @path: A #GtkTreePath to test expansion state.
12459 *
12460 * Returns %TRUE if the node pointed to by @path is expanded in @tree_view.
12461 *
12462 * Return value: %TRUE if #path is expanded.
12463 **/
12464 gboolean
gtk_tree_view_row_expanded(GtkTreeView * tree_view,GtkTreePath * path)12465 gtk_tree_view_row_expanded (GtkTreeView *tree_view,
12466 GtkTreePath *path)
12467 {
12468 GtkRBTree *tree;
12469 GtkRBNode *node;
12470
12471 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
12472 g_return_val_if_fail (path != NULL, FALSE);
12473
12474 _gtk_tree_view_find_node (tree_view, path, &tree, &node);
12475
12476 if (node == NULL)
12477 return FALSE;
12478
12479 return (node->children != NULL);
12480 }
12481
12482 /**
12483 * gtk_tree_view_get_reorderable:
12484 * @tree_view: a #GtkTreeView
12485 *
12486 * Retrieves whether the user can reorder the tree via drag-and-drop. See
12487 * gtk_tree_view_set_reorderable().
12488 *
12489 * Return value: %TRUE if the tree can be reordered.
12490 **/
12491 gboolean
gtk_tree_view_get_reorderable(GtkTreeView * tree_view)12492 gtk_tree_view_get_reorderable (GtkTreeView *tree_view)
12493 {
12494 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
12495
12496 return tree_view->priv->reorderable;
12497 }
12498
12499 /**
12500 * gtk_tree_view_set_reorderable:
12501 * @tree_view: A #GtkTreeView.
12502 * @reorderable: %TRUE, if the tree can be reordered.
12503 *
12504 * This function is a convenience function to allow you to reorder
12505 * models that support the #GtkDragSourceIface and the
12506 * #GtkDragDestIface. Both #GtkTreeStore and #GtkListStore support
12507 * these. If @reorderable is %TRUE, then the user can reorder the
12508 * model by dragging and dropping rows. The developer can listen to
12509 * these changes by connecting to the model's row_inserted and
12510 * row_deleted signals. The reordering is implemented by setting up
12511 * the tree view as a drag source and destination. Therefore, drag and
12512 * drop can not be used in a reorderable view for any other purpose.
12513 *
12514 * This function does not give you any degree of control over the order -- any
12515 * reordering is allowed. If more control is needed, you should probably
12516 * handle drag and drop manually.
12517 **/
12518 void
gtk_tree_view_set_reorderable(GtkTreeView * tree_view,gboolean reorderable)12519 gtk_tree_view_set_reorderable (GtkTreeView *tree_view,
12520 gboolean reorderable)
12521 {
12522 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
12523
12524 reorderable = reorderable != FALSE;
12525
12526 if (tree_view->priv->reorderable == reorderable)
12527 return;
12528
12529 if (reorderable)
12530 {
12531 const GtkTargetEntry row_targets[] = {
12532 { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_WIDGET, 0 }
12533 };
12534
12535 gtk_tree_view_enable_model_drag_source (tree_view,
12536 GDK_BUTTON1_MASK,
12537 row_targets,
12538 G_N_ELEMENTS (row_targets),
12539 GDK_ACTION_MOVE);
12540 gtk_tree_view_enable_model_drag_dest (tree_view,
12541 row_targets,
12542 G_N_ELEMENTS (row_targets),
12543 GDK_ACTION_MOVE);
12544 }
12545 else
12546 {
12547 gtk_tree_view_unset_rows_drag_source (tree_view);
12548 gtk_tree_view_unset_rows_drag_dest (tree_view);
12549 }
12550
12551 tree_view->priv->reorderable = reorderable;
12552
12553 g_object_notify (G_OBJECT (tree_view), "reorderable");
12554 }
12555
12556 static void
gtk_tree_view_real_set_cursor(GtkTreeView * tree_view,GtkTreePath * path,gboolean clear_and_select,gboolean clamp_node)12557 gtk_tree_view_real_set_cursor (GtkTreeView *tree_view,
12558 GtkTreePath *path,
12559 gboolean clear_and_select,
12560 gboolean clamp_node)
12561 {
12562 GtkRBTree *tree = NULL;
12563 GtkRBNode *node = NULL;
12564
12565 if (gtk_tree_row_reference_valid (tree_view->priv->cursor))
12566 {
12567 GtkTreePath *cursor_path;
12568 cursor_path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
12569 gtk_tree_view_queue_draw_path (tree_view, cursor_path, NULL);
12570 gtk_tree_path_free (cursor_path);
12571 }
12572
12573 gtk_tree_row_reference_free (tree_view->priv->cursor);
12574 tree_view->priv->cursor = NULL;
12575
12576 /* One cannot set the cursor on a separator. Also, if
12577 * _gtk_tree_view_find_node returns TRUE, it ran out of tree
12578 * before finding the tree and node belonging to path. The
12579 * path maps to a non-existing path and we will silently bail out.
12580 * We unset tree and node to avoid further processing.
12581 */
12582 if (!row_is_separator (tree_view, NULL, path)
12583 && _gtk_tree_view_find_node (tree_view, path, &tree, &node) == FALSE)
12584 {
12585 tree_view->priv->cursor =
12586 gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view),
12587 tree_view->priv->model,
12588 path);
12589 }
12590 else
12591 {
12592 tree = NULL;
12593 node = NULL;
12594 }
12595
12596 if (tree != NULL)
12597 {
12598 GtkRBTree *new_tree = NULL;
12599 GtkRBNode *new_node = NULL;
12600
12601 if (clear_and_select && !tree_view->priv->modify_selection_pressed)
12602 {
12603 GtkTreeSelectMode mode = 0;
12604
12605 if (tree_view->priv->modify_selection_pressed)
12606 mode |= GTK_TREE_SELECT_MODE_TOGGLE;
12607 if (tree_view->priv->extend_selection_pressed)
12608 mode |= GTK_TREE_SELECT_MODE_EXTEND;
12609
12610 _gtk_tree_selection_internal_select_node (tree_view->priv->selection,
12611 node, tree, path, mode,
12612 FALSE);
12613 }
12614
12615 /* We have to re-find tree and node here again, somebody might have
12616 * cleared the node or the whole tree in the GtkTreeSelection::changed
12617 * callback. If the nodes differ we bail out here.
12618 */
12619 _gtk_tree_view_find_node (tree_view, path, &new_tree, &new_node);
12620
12621 if (tree != new_tree || node != new_node)
12622 return;
12623
12624 if (clamp_node)
12625 {
12626 gtk_tree_view_clamp_node_visible (tree_view, tree, node);
12627 _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL);
12628 }
12629 }
12630
12631 g_signal_emit (tree_view, tree_view_signals[CURSOR_CHANGED], 0);
12632 }
12633
12634 /**
12635 * gtk_tree_view_get_cursor:
12636 * @tree_view: A #GtkTreeView
12637 * @path: (out) (transfer full) (allow-none): A pointer to be filled with the current cursor path, or %NULL
12638 * @focus_column: (out) (transfer none) (allow-none): A pointer to be filled with the current focus column, or %NULL
12639 *
12640 * Fills in @path and @focus_column with the current path and focus column. If
12641 * the cursor isn't currently set, then *@path will be %NULL. If no column
12642 * currently has focus, then *@focus_column will be %NULL.
12643 *
12644 * The returned #GtkTreePath must be freed with gtk_tree_path_free() when
12645 * you are done with it.
12646 **/
12647 void
gtk_tree_view_get_cursor(GtkTreeView * tree_view,GtkTreePath ** path,GtkTreeViewColumn ** focus_column)12648 gtk_tree_view_get_cursor (GtkTreeView *tree_view,
12649 GtkTreePath **path,
12650 GtkTreeViewColumn **focus_column)
12651 {
12652 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
12653
12654 if (path)
12655 {
12656 if (gtk_tree_row_reference_valid (tree_view->priv->cursor))
12657 *path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
12658 else
12659 *path = NULL;
12660 }
12661
12662 if (focus_column)
12663 {
12664 *focus_column = tree_view->priv->focus_column;
12665 }
12666 }
12667
12668 /**
12669 * gtk_tree_view_set_cursor:
12670 * @tree_view: A #GtkTreeView
12671 * @path: A #GtkTreePath
12672 * @focus_column: (allow-none): A #GtkTreeViewColumn, or %NULL
12673 * @start_editing: %TRUE if the specified cell should start being edited.
12674 *
12675 * Sets the current keyboard focus to be at @path, and selects it. This is
12676 * useful when you want to focus the user's attention on a particular row. If
12677 * @focus_column is not %NULL, then focus is given to the column specified by
12678 * it. Additionally, if @focus_column is specified, and @start_editing is
12679 * %TRUE, then editing should be started in the specified cell.
12680 * This function is often followed by @gtk_widget_grab_focus (@tree_view)
12681 * in order to give keyboard focus to the widget. Please note that editing
12682 * can only happen when the widget is realized.
12683 *
12684 * If @path is invalid for @model, the current cursor (if any) will be unset
12685 * and the function will return without failing.
12686 **/
12687 void
gtk_tree_view_set_cursor(GtkTreeView * tree_view,GtkTreePath * path,GtkTreeViewColumn * focus_column,gboolean start_editing)12688 gtk_tree_view_set_cursor (GtkTreeView *tree_view,
12689 GtkTreePath *path,
12690 GtkTreeViewColumn *focus_column,
12691 gboolean start_editing)
12692 {
12693 gtk_tree_view_set_cursor_on_cell (tree_view, path, focus_column,
12694 NULL, start_editing);
12695 }
12696
12697 /**
12698 * gtk_tree_view_set_cursor_on_cell:
12699 * @tree_view: A #GtkTreeView
12700 * @path: A #GtkTreePath
12701 * @focus_column: (allow-none): A #GtkTreeViewColumn, or %NULL
12702 * @focus_cell: (allow-none): A #GtkCellRenderer, or %NULL
12703 * @start_editing: %TRUE if the specified cell should start being edited.
12704 *
12705 * Sets the current keyboard focus to be at @path, and selects it. This is
12706 * useful when you want to focus the user's attention on a particular row. If
12707 * @focus_column is not %NULL, then focus is given to the column specified by
12708 * it. If @focus_column and @focus_cell are not %NULL, and @focus_column
12709 * contains 2 or more editable or activatable cells, then focus is given to
12710 * the cell specified by @focus_cell. Additionally, if @focus_column is
12711 * specified, and @start_editing is %TRUE, then editing should be started in
12712 * the specified cell. This function is often followed by
12713 * @gtk_widget_grab_focus (@tree_view) in order to give keyboard focus to the
12714 * widget. Please note that editing can only happen when the widget is
12715 * realized.
12716 *
12717 * If @path is invalid for @model, the current cursor (if any) will be unset
12718 * and the function will return without failing.
12719 *
12720 * Since: 2.2
12721 **/
12722 void
gtk_tree_view_set_cursor_on_cell(GtkTreeView * tree_view,GtkTreePath * path,GtkTreeViewColumn * focus_column,GtkCellRenderer * focus_cell,gboolean start_editing)12723 gtk_tree_view_set_cursor_on_cell (GtkTreeView *tree_view,
12724 GtkTreePath *path,
12725 GtkTreeViewColumn *focus_column,
12726 GtkCellRenderer *focus_cell,
12727 gboolean start_editing)
12728 {
12729 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
12730 g_return_if_fail (path != NULL);
12731 g_return_if_fail (focus_column == NULL || GTK_IS_TREE_VIEW_COLUMN (focus_column));
12732
12733 if (!tree_view->priv->model)
12734 return;
12735
12736 if (focus_cell)
12737 {
12738 g_return_if_fail (focus_column);
12739 g_return_if_fail (GTK_IS_CELL_RENDERER (focus_cell));
12740 }
12741
12742 /* cancel the current editing, if it exists */
12743 if (tree_view->priv->edited_column &&
12744 tree_view->priv->edited_column->editable_widget)
12745 gtk_tree_view_stop_editing (tree_view, TRUE);
12746
12747 gtk_tree_view_real_set_cursor (tree_view, path, TRUE, TRUE);
12748
12749 if (focus_column && focus_column->visible)
12750 {
12751 GList *list;
12752 gboolean column_in_tree = FALSE;
12753
12754 for (list = tree_view->priv->columns; list; list = list->next)
12755 if (list->data == focus_column)
12756 {
12757 column_in_tree = TRUE;
12758 break;
12759 }
12760 g_return_if_fail (column_in_tree);
12761 tree_view->priv->focus_column = focus_column;
12762 if (focus_cell)
12763 gtk_tree_view_column_focus_cell (focus_column, focus_cell);
12764 if (start_editing)
12765 gtk_tree_view_start_editing (tree_view, path);
12766 }
12767 }
12768
12769 /**
12770 * gtk_tree_view_get_bin_window:
12771 * @tree_view: A #GtkTreeView
12772 *
12773 * Returns the window that @tree_view renders to.
12774 * This is used primarily to compare to <literal>event->window</literal>
12775 * to confirm that the event on @tree_view is on the right window.
12776 *
12777 * Return value: (transfer none): A #GdkWindow, or %NULL when @tree_view
12778 * hasn't been realized yet
12779 **/
12780 GdkWindow *
gtk_tree_view_get_bin_window(GtkTreeView * tree_view)12781 gtk_tree_view_get_bin_window (GtkTreeView *tree_view)
12782 {
12783 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
12784
12785 return tree_view->priv->bin_window;
12786 }
12787
12788 /**
12789 * gtk_tree_view_get_path_at_pos:
12790 * @tree_view: A #GtkTreeView.
12791 * @x: The x position to be identified (relative to bin_window).
12792 * @y: The y position to be identified (relative to bin_window).
12793 * @path: (out) (allow-none): A pointer to a #GtkTreePath pointer to be filled in, or %NULL
12794 * @column: (out) (transfer none) (allow-none): A pointer to a #GtkTreeViewColumn pointer to be filled in, or %NULL
12795 * @cell_x: (out) (allow-none): A pointer where the X coordinate relative to the cell can be placed, or %NULL
12796 * @cell_y: (out) (allow-none): A pointer where the Y coordinate relative to the cell can be placed, or %NULL
12797 *
12798 * Finds the path at the point (@x, @y), relative to bin_window coordinates
12799 * (please see gtk_tree_view_get_bin_window()).
12800 * That is, @x and @y are relative to an events coordinates. @x and @y must
12801 * come from an event on the @tree_view only where <literal>event->window ==
12802 * gtk_tree_view_get_bin_window (<!-- -->)</literal>. It is primarily for
12803 * things like popup menus. If @path is non-%NULL, then it will be filled
12804 * with the #GtkTreePath at that point. This path should be freed with
12805 * gtk_tree_path_free(). If @column is non-%NULL, then it will be filled
12806 * with the column at that point. @cell_x and @cell_y return the coordinates
12807 * relative to the cell background (i.e. the @background_area passed to
12808 * gtk_cell_renderer_render()). This function is only meaningful if
12809 * @tree_view is realized. Therefore this function will always return %FALSE
12810 * if @tree_view is not realized or does not have a model.
12811 *
12812 * For converting widget coordinates (eg. the ones you get from
12813 * GtkWidget::query-tooltip), please see
12814 * gtk_tree_view_convert_widget_to_bin_window_coords().
12815 *
12816 * Return value: %TRUE if a row exists at that coordinate.
12817 **/
12818 gboolean
gtk_tree_view_get_path_at_pos(GtkTreeView * tree_view,gint x,gint y,GtkTreePath ** path,GtkTreeViewColumn ** column,gint * cell_x,gint * cell_y)12819 gtk_tree_view_get_path_at_pos (GtkTreeView *tree_view,
12820 gint x,
12821 gint y,
12822 GtkTreePath **path,
12823 GtkTreeViewColumn **column,
12824 gint *cell_x,
12825 gint *cell_y)
12826 {
12827 GtkRBTree *tree;
12828 GtkRBNode *node;
12829 gint y_offset;
12830
12831 g_return_val_if_fail (tree_view != NULL, FALSE);
12832
12833 if (path)
12834 *path = NULL;
12835 if (column)
12836 *column = NULL;
12837
12838 if (tree_view->priv->bin_window == NULL)
12839 return FALSE;
12840
12841 if (tree_view->priv->tree == NULL)
12842 return FALSE;
12843
12844 if (x > tree_view->priv->hadjustment->upper)
12845 return FALSE;
12846
12847 if (x < 0 || y < 0)
12848 return FALSE;
12849
12850 if (column || cell_x)
12851 {
12852 GtkTreeViewColumn *tmp_column;
12853 GtkTreeViewColumn *last_column = NULL;
12854 GList *list;
12855 gint remaining_x = x;
12856 gboolean found = FALSE;
12857 gboolean rtl;
12858
12859 rtl = (gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL);
12860 for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
12861 list;
12862 list = (rtl ? list->prev : list->next))
12863 {
12864 tmp_column = list->data;
12865
12866 if (tmp_column->visible == FALSE)
12867 continue;
12868
12869 last_column = tmp_column;
12870 if (remaining_x <= tmp_column->width)
12871 {
12872 found = TRUE;
12873
12874 if (column)
12875 *column = tmp_column;
12876
12877 if (cell_x)
12878 *cell_x = remaining_x;
12879
12880 break;
12881 }
12882 remaining_x -= tmp_column->width;
12883 }
12884
12885 /* If found is FALSE and there is a last_column, then it the remainder
12886 * space is in that area
12887 */
12888 if (!found)
12889 {
12890 if (last_column)
12891 {
12892 if (column)
12893 *column = last_column;
12894
12895 if (cell_x)
12896 *cell_x = last_column->width + remaining_x;
12897 }
12898 else
12899 {
12900 return FALSE;
12901 }
12902 }
12903 }
12904
12905 y_offset = _gtk_rbtree_find_offset (tree_view->priv->tree,
12906 TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, y),
12907 &tree, &node);
12908
12909 if (tree == NULL)
12910 return FALSE;
12911
12912 if (cell_y)
12913 *cell_y = y_offset;
12914
12915 if (path)
12916 *path = _gtk_tree_view_find_path (tree_view, tree, node);
12917
12918 return TRUE;
12919 }
12920
12921
12922 /**
12923 * gtk_tree_view_get_cell_area:
12924 * @tree_view: a #GtkTreeView
12925 * @path: (allow-none): a #GtkTreePath for the row, or %NULL to get only horizontal coordinates
12926 * @column: (allow-none): a #GtkTreeViewColumn for the column, or %NULL to get only vertical coordinates
12927 * @rect: (out): rectangle to fill with cell rect
12928 *
12929 * Fills the bounding rectangle in bin_window coordinates for the cell at the
12930 * row specified by @path and the column specified by @column. If @path is
12931 * %NULL, or points to a path not currently displayed, the @y and @height fields
12932 * of the rectangle will be filled with 0. If @column is %NULL, the @x and @width
12933 * fields will be filled with 0. The sum of all cell rects does not cover the
12934 * entire tree; there are extra pixels in between rows, for example. The
12935 * returned rectangle is equivalent to the @cell_area passed to
12936 * gtk_cell_renderer_render(). This function is only valid if @tree_view is
12937 * realized.
12938 **/
12939 void
gtk_tree_view_get_cell_area(GtkTreeView * tree_view,GtkTreePath * path,GtkTreeViewColumn * column,GdkRectangle * rect)12940 gtk_tree_view_get_cell_area (GtkTreeView *tree_view,
12941 GtkTreePath *path,
12942 GtkTreeViewColumn *column,
12943 GdkRectangle *rect)
12944 {
12945 GtkRBTree *tree = NULL;
12946 GtkRBNode *node = NULL;
12947 gint vertical_separator;
12948 gint horizontal_separator;
12949
12950 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
12951 g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column));
12952 g_return_if_fail (rect != NULL);
12953 g_return_if_fail (!column || column->tree_view == (GtkWidget *) tree_view);
12954 g_return_if_fail (gtk_widget_get_realized (GTK_WIDGET (tree_view)));
12955
12956 gtk_widget_style_get (GTK_WIDGET (tree_view),
12957 "vertical-separator", &vertical_separator,
12958 "horizontal-separator", &horizontal_separator,
12959 NULL);
12960
12961 rect->x = 0;
12962 rect->y = 0;
12963 rect->width = 0;
12964 rect->height = 0;
12965
12966 if (column)
12967 {
12968 rect->x = column->button->allocation.x + horizontal_separator/2;
12969 rect->width = column->button->allocation.width - horizontal_separator;
12970 }
12971
12972 if (path)
12973 {
12974 gboolean ret = _gtk_tree_view_find_node (tree_view, path, &tree, &node);
12975
12976 /* Get vertical coords */
12977 if ((!ret && tree == NULL) || ret)
12978 return;
12979
12980 rect->y = CELL_FIRST_PIXEL (tree_view, tree, node, vertical_separator);
12981 rect->height = MAX (CELL_HEIGHT (node, vertical_separator), tree_view->priv->expander_size - vertical_separator);
12982
12983 if (column &&
12984 gtk_tree_view_is_expander_column (tree_view, column))
12985 {
12986 gint depth = gtk_tree_path_get_depth (path);
12987 gboolean rtl;
12988
12989 rtl = gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL;
12990
12991 if (!rtl)
12992 rect->x += (depth - 1) * tree_view->priv->level_indentation;
12993 rect->width -= (depth - 1) * tree_view->priv->level_indentation;
12994
12995 if (TREE_VIEW_DRAW_EXPANDERS (tree_view))
12996 {
12997 if (!rtl)
12998 rect->x += depth * tree_view->priv->expander_size;
12999 rect->width -= depth * tree_view->priv->expander_size;
13000 }
13001
13002 rect->width = MAX (rect->width, 0);
13003 }
13004 }
13005 }
13006
13007 /**
13008 * gtk_tree_view_get_background_area:
13009 * @tree_view: a #GtkTreeView
13010 * @path: (allow-none): a #GtkTreePath for the row, or %NULL to get only horizontal coordinates
13011 * @column: (allow-none): a #GtkTreeViewColumn for the column, or %NULL to get only vertical coordiantes
13012 * @rect: (out): rectangle to fill with cell background rect
13013 *
13014 * Fills the bounding rectangle in bin_window coordinates for the cell at the
13015 * row specified by @path and the column specified by @column. If @path is
13016 * %NULL, or points to a node not found in the tree, the @y and @height fields of
13017 * the rectangle will be filled with 0. If @column is %NULL, the @x and @width
13018 * fields will be filled with 0. The returned rectangle is equivalent to the
13019 * @background_area passed to gtk_cell_renderer_render(). These background
13020 * areas tile to cover the entire bin window. Contrast with the @cell_area,
13021 * returned by gtk_tree_view_get_cell_area(), which returns only the cell
13022 * itself, excluding surrounding borders and the tree expander area.
13023 *
13024 **/
13025 void
gtk_tree_view_get_background_area(GtkTreeView * tree_view,GtkTreePath * path,GtkTreeViewColumn * column,GdkRectangle * rect)13026 gtk_tree_view_get_background_area (GtkTreeView *tree_view,
13027 GtkTreePath *path,
13028 GtkTreeViewColumn *column,
13029 GdkRectangle *rect)
13030 {
13031 GtkRBTree *tree = NULL;
13032 GtkRBNode *node = NULL;
13033
13034 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13035 g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column));
13036 g_return_if_fail (rect != NULL);
13037
13038 rect->x = 0;
13039 rect->y = 0;
13040 rect->width = 0;
13041 rect->height = 0;
13042
13043 if (path)
13044 {
13045 /* Get vertical coords */
13046
13047 if (!_gtk_tree_view_find_node (tree_view, path, &tree, &node) &&
13048 tree == NULL)
13049 return;
13050
13051 rect->y = BACKGROUND_FIRST_PIXEL (tree_view, tree, node);
13052
13053 rect->height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
13054 }
13055
13056 if (column)
13057 {
13058 gint x2 = 0;
13059
13060 gtk_tree_view_get_background_xrange (tree_view, tree, column, &rect->x, &x2);
13061 rect->width = x2 - rect->x;
13062 }
13063 }
13064
13065 /**
13066 * gtk_tree_view_get_visible_rect:
13067 * @tree_view: a #GtkTreeView
13068 * @visible_rect: (out): rectangle to fill
13069 *
13070 * Fills @visible_rect with the currently-visible region of the
13071 * buffer, in tree coordinates. Convert to bin_window coordinates with
13072 * gtk_tree_view_convert_tree_to_bin_window_coords().
13073 * Tree coordinates start at 0,0 for row 0 of the tree, and cover the entire
13074 * scrollable area of the tree.
13075 **/
13076 void
gtk_tree_view_get_visible_rect(GtkTreeView * tree_view,GdkRectangle * visible_rect)13077 gtk_tree_view_get_visible_rect (GtkTreeView *tree_view,
13078 GdkRectangle *visible_rect)
13079 {
13080 GtkWidget *widget;
13081
13082 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13083
13084 widget = GTK_WIDGET (tree_view);
13085
13086 if (visible_rect)
13087 {
13088 visible_rect->x = tree_view->priv->hadjustment->value;
13089 visible_rect->y = tree_view->priv->vadjustment->value;
13090 visible_rect->width = widget->allocation.width;
13091 visible_rect->height = widget->allocation.height - TREE_VIEW_HEADER_HEIGHT (tree_view);
13092 }
13093 }
13094
13095 /**
13096 * gtk_tree_view_widget_to_tree_coords:
13097 * @tree_view: a #GtkTreeView
13098 * @wx: X coordinate relative to bin_window
13099 * @wy: Y coordinate relative to bin_window
13100 * @tx: return location for tree X coordinate
13101 * @ty: return location for tree Y coordinate
13102 *
13103 * Converts bin_window coordinates to coordinates for the
13104 * tree (the full scrollable area of the tree).
13105 *
13106 * Deprecated: 2.12: Due to historial reasons the name of this function is
13107 * incorrect. For converting coordinates relative to the widget to
13108 * bin_window coordinates, please see
13109 * gtk_tree_view_convert_widget_to_bin_window_coords().
13110 *
13111 **/
13112 void
gtk_tree_view_widget_to_tree_coords(GtkTreeView * tree_view,gint wx,gint wy,gint * tx,gint * ty)13113 gtk_tree_view_widget_to_tree_coords (GtkTreeView *tree_view,
13114 gint wx,
13115 gint wy,
13116 gint *tx,
13117 gint *ty)
13118 {
13119 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13120
13121 if (tx)
13122 *tx = wx + tree_view->priv->hadjustment->value;
13123 if (ty)
13124 *ty = wy + tree_view->priv->dy;
13125 }
13126
13127 /**
13128 * gtk_tree_view_tree_to_widget_coords:
13129 * @tree_view: a #GtkTreeView
13130 * @tx: tree X coordinate
13131 * @ty: tree Y coordinate
13132 * @wx: return location for X coordinate relative to bin_window
13133 * @wy: return location for Y coordinate relative to bin_window
13134 *
13135 * Converts tree coordinates (coordinates in full scrollable area of the tree)
13136 * to bin_window coordinates.
13137 *
13138 * Deprecated: 2.12: Due to historial reasons the name of this function is
13139 * incorrect. For converting bin_window coordinates to coordinates relative
13140 * to bin_window, please see
13141 * gtk_tree_view_convert_bin_window_to_widget_coords().
13142 *
13143 **/
13144 void
gtk_tree_view_tree_to_widget_coords(GtkTreeView * tree_view,gint tx,gint ty,gint * wx,gint * wy)13145 gtk_tree_view_tree_to_widget_coords (GtkTreeView *tree_view,
13146 gint tx,
13147 gint ty,
13148 gint *wx,
13149 gint *wy)
13150 {
13151 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13152
13153 if (wx)
13154 *wx = tx - tree_view->priv->hadjustment->value;
13155 if (wy)
13156 *wy = ty - tree_view->priv->dy;
13157 }
13158
13159
13160 /**
13161 * gtk_tree_view_convert_widget_to_tree_coords:
13162 * @tree_view: a #GtkTreeView
13163 * @wx: X coordinate relative to the widget
13164 * @wy: Y coordinate relative to the widget
13165 * @tx: (out): return location for tree X coordinate
13166 * @ty: (out): return location for tree Y coordinate
13167 *
13168 * Converts widget coordinates to coordinates for the
13169 * tree (the full scrollable area of the tree).
13170 *
13171 * Since: 2.12
13172 **/
13173 void
gtk_tree_view_convert_widget_to_tree_coords(GtkTreeView * tree_view,gint wx,gint wy,gint * tx,gint * ty)13174 gtk_tree_view_convert_widget_to_tree_coords (GtkTreeView *tree_view,
13175 gint wx,
13176 gint wy,
13177 gint *tx,
13178 gint *ty)
13179 {
13180 gint x, y;
13181
13182 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13183
13184 gtk_tree_view_convert_widget_to_bin_window_coords (tree_view,
13185 wx, wy,
13186 &x, &y);
13187 gtk_tree_view_convert_bin_window_to_tree_coords (tree_view,
13188 x, y,
13189 tx, ty);
13190 }
13191
13192 /**
13193 * gtk_tree_view_convert_tree_to_widget_coords:
13194 * @tree_view: a #GtkTreeView
13195 * @tx: X coordinate relative to the tree
13196 * @ty: Y coordinate relative to the tree
13197 * @wx: (out): return location for widget X coordinate
13198 * @wy: (out): return location for widget Y coordinate
13199 *
13200 * Converts tree coordinates (coordinates in full scrollable area of the tree)
13201 * to widget coordinates.
13202 *
13203 * Since: 2.12
13204 **/
13205 void
gtk_tree_view_convert_tree_to_widget_coords(GtkTreeView * tree_view,gint tx,gint ty,gint * wx,gint * wy)13206 gtk_tree_view_convert_tree_to_widget_coords (GtkTreeView *tree_view,
13207 gint tx,
13208 gint ty,
13209 gint *wx,
13210 gint *wy)
13211 {
13212 gint x, y;
13213
13214 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13215
13216 gtk_tree_view_convert_tree_to_bin_window_coords (tree_view,
13217 tx, ty,
13218 &x, &y);
13219 gtk_tree_view_convert_bin_window_to_widget_coords (tree_view,
13220 x, y,
13221 wx, wy);
13222 }
13223
13224 /**
13225 * gtk_tree_view_convert_widget_to_bin_window_coords:
13226 * @tree_view: a #GtkTreeView
13227 * @wx: X coordinate relative to the widget
13228 * @wy: Y coordinate relative to the widget
13229 * @bx: (out): return location for bin_window X coordinate
13230 * @by: (out): return location for bin_window Y coordinate
13231 *
13232 * Converts widget coordinates to coordinates for the bin_window
13233 * (see gtk_tree_view_get_bin_window()).
13234 *
13235 * Since: 2.12
13236 **/
13237 void
gtk_tree_view_convert_widget_to_bin_window_coords(GtkTreeView * tree_view,gint wx,gint wy,gint * bx,gint * by)13238 gtk_tree_view_convert_widget_to_bin_window_coords (GtkTreeView *tree_view,
13239 gint wx,
13240 gint wy,
13241 gint *bx,
13242 gint *by)
13243 {
13244 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13245
13246 if (bx)
13247 *bx = wx + tree_view->priv->hadjustment->value;
13248 if (by)
13249 *by = wy - TREE_VIEW_HEADER_HEIGHT (tree_view);
13250 }
13251
13252 /**
13253 * gtk_tree_view_convert_bin_window_to_widget_coords:
13254 * @tree_view: a #GtkTreeView
13255 * @bx: bin_window X coordinate
13256 * @by: bin_window Y coordinate
13257 * @wx: (out): return location for widget X coordinate
13258 * @wy: (out): return location for widget Y coordinate
13259 *
13260 * Converts bin_window coordinates (see gtk_tree_view_get_bin_window())
13261 * to widget relative coordinates.
13262 *
13263 * Since: 2.12
13264 **/
13265 void
gtk_tree_view_convert_bin_window_to_widget_coords(GtkTreeView * tree_view,gint bx,gint by,gint * wx,gint * wy)13266 gtk_tree_view_convert_bin_window_to_widget_coords (GtkTreeView *tree_view,
13267 gint bx,
13268 gint by,
13269 gint *wx,
13270 gint *wy)
13271 {
13272 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13273
13274 if (wx)
13275 *wx = bx - tree_view->priv->hadjustment->value;
13276 if (wy)
13277 *wy = by + TREE_VIEW_HEADER_HEIGHT (tree_view);
13278 }
13279
13280 /**
13281 * gtk_tree_view_convert_tree_to_bin_window_coords:
13282 * @tree_view: a #GtkTreeView
13283 * @tx: tree X coordinate
13284 * @ty: tree Y coordinate
13285 * @bx: (out): return location for X coordinate relative to bin_window
13286 * @by: (out): return location for Y coordinate relative to bin_window
13287 *
13288 * Converts tree coordinates (coordinates in full scrollable area of the tree)
13289 * to bin_window coordinates.
13290 *
13291 * Since: 2.12
13292 **/
13293 void
gtk_tree_view_convert_tree_to_bin_window_coords(GtkTreeView * tree_view,gint tx,gint ty,gint * bx,gint * by)13294 gtk_tree_view_convert_tree_to_bin_window_coords (GtkTreeView *tree_view,
13295 gint tx,
13296 gint ty,
13297 gint *bx,
13298 gint *by)
13299 {
13300 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13301
13302 if (bx)
13303 *bx = tx;
13304 if (by)
13305 *by = ty - tree_view->priv->dy;
13306 }
13307
13308 /**
13309 * gtk_tree_view_convert_bin_window_to_tree_coords:
13310 * @tree_view: a #GtkTreeView
13311 * @bx: X coordinate relative to bin_window
13312 * @by: Y coordinate relative to bin_window
13313 * @tx: (out): return location for tree X coordinate
13314 * @ty: (out): return location for tree Y coordinate
13315 *
13316 * Converts bin_window coordinates to coordinates for the
13317 * tree (the full scrollable area of the tree).
13318 *
13319 * Since: 2.12
13320 **/
13321 void
gtk_tree_view_convert_bin_window_to_tree_coords(GtkTreeView * tree_view,gint bx,gint by,gint * tx,gint * ty)13322 gtk_tree_view_convert_bin_window_to_tree_coords (GtkTreeView *tree_view,
13323 gint bx,
13324 gint by,
13325 gint *tx,
13326 gint *ty)
13327 {
13328 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13329
13330 if (tx)
13331 *tx = bx;
13332 if (ty)
13333 *ty = by + tree_view->priv->dy;
13334 }
13335
13336
13337
13338 /**
13339 * gtk_tree_view_get_visible_range:
13340 * @tree_view: A #GtkTreeView
13341 * @start_path: (out) (allow-none): Return location for start of region,
13342 * or %NULL.
13343 * @end_path: (out) (allow-none): Return location for end of region, or %NULL.
13344 *
13345 * Sets @start_path and @end_path to be the first and last visible path.
13346 * Note that there may be invisible paths in between.
13347 *
13348 * The paths should be freed with gtk_tree_path_free() after use.
13349 *
13350 * Returns: %TRUE, if valid paths were placed in @start_path and @end_path.
13351 *
13352 * Since: 2.8
13353 **/
13354 gboolean
gtk_tree_view_get_visible_range(GtkTreeView * tree_view,GtkTreePath ** start_path,GtkTreePath ** end_path)13355 gtk_tree_view_get_visible_range (GtkTreeView *tree_view,
13356 GtkTreePath **start_path,
13357 GtkTreePath **end_path)
13358 {
13359 GtkRBTree *tree;
13360 GtkRBNode *node;
13361 gboolean retval;
13362
13363 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
13364
13365 if (!tree_view->priv->tree)
13366 return FALSE;
13367
13368 retval = TRUE;
13369
13370 if (start_path)
13371 {
13372 _gtk_rbtree_find_offset (tree_view->priv->tree,
13373 TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, 0),
13374 &tree, &node);
13375 if (node)
13376 *start_path = _gtk_tree_view_find_path (tree_view, tree, node);
13377 else
13378 retval = FALSE;
13379 }
13380
13381 if (end_path)
13382 {
13383 gint y;
13384
13385 if (tree_view->priv->height < tree_view->priv->vadjustment->page_size)
13386 y = tree_view->priv->height - 1;
13387 else
13388 y = TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, tree_view->priv->vadjustment->page_size) - 1;
13389
13390 _gtk_rbtree_find_offset (tree_view->priv->tree, y, &tree, &node);
13391 if (node)
13392 *end_path = _gtk_tree_view_find_path (tree_view, tree, node);
13393 else
13394 retval = FALSE;
13395 }
13396
13397 return retval;
13398 }
13399
13400 static void
unset_reorderable(GtkTreeView * tree_view)13401 unset_reorderable (GtkTreeView *tree_view)
13402 {
13403 if (tree_view->priv->reorderable)
13404 {
13405 tree_view->priv->reorderable = FALSE;
13406 g_object_notify (G_OBJECT (tree_view), "reorderable");
13407 }
13408 }
13409
13410 /**
13411 * gtk_tree_view_enable_model_drag_source:
13412 * @tree_view: a #GtkTreeView
13413 * @start_button_mask: Mask of allowed buttons to start drag
13414 * @targets: (array length=n_targets): the table of targets that the drag will support
13415 * @n_targets: the number of items in @targets
13416 * @actions: the bitmask of possible actions for a drag from this
13417 * widget
13418 *
13419 * Turns @tree_view into a drag source for automatic DND. Calling this
13420 * method sets #GtkTreeView:reorderable to %FALSE.
13421 **/
13422 void
gtk_tree_view_enable_model_drag_source(GtkTreeView * tree_view,GdkModifierType start_button_mask,const GtkTargetEntry * targets,gint n_targets,GdkDragAction actions)13423 gtk_tree_view_enable_model_drag_source (GtkTreeView *tree_view,
13424 GdkModifierType start_button_mask,
13425 const GtkTargetEntry *targets,
13426 gint n_targets,
13427 GdkDragAction actions)
13428 {
13429 TreeViewDragInfo *di;
13430
13431 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13432
13433 gtk_drag_source_set (GTK_WIDGET (tree_view),
13434 0,
13435 targets,
13436 n_targets,
13437 actions);
13438
13439 di = ensure_info (tree_view);
13440
13441 di->start_button_mask = start_button_mask;
13442 di->source_actions = actions;
13443 di->source_set = TRUE;
13444
13445 unset_reorderable (tree_view);
13446 }
13447
13448 /**
13449 * gtk_tree_view_enable_model_drag_dest:
13450 * @tree_view: a #GtkTreeView
13451 * @targets: (array length=n_targets): the table of targets that the drag will support
13452 * @n_targets: the number of items in @targets
13453 * @actions: the bitmask of possible actions for a drag from this
13454 * widget
13455 *
13456 * Turns @tree_view into a drop destination for automatic DND. Calling
13457 * this method sets #GtkTreeView:reorderable to %FALSE.
13458 **/
13459 void
gtk_tree_view_enable_model_drag_dest(GtkTreeView * tree_view,const GtkTargetEntry * targets,gint n_targets,GdkDragAction actions)13460 gtk_tree_view_enable_model_drag_dest (GtkTreeView *tree_view,
13461 const GtkTargetEntry *targets,
13462 gint n_targets,
13463 GdkDragAction actions)
13464 {
13465 TreeViewDragInfo *di;
13466
13467 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13468
13469 gtk_drag_dest_set (GTK_WIDGET (tree_view),
13470 0,
13471 targets,
13472 n_targets,
13473 actions);
13474
13475 di = ensure_info (tree_view);
13476 di->dest_set = TRUE;
13477
13478 unset_reorderable (tree_view);
13479 }
13480
13481 /**
13482 * gtk_tree_view_unset_rows_drag_source:
13483 * @tree_view: a #GtkTreeView
13484 *
13485 * Undoes the effect of
13486 * gtk_tree_view_enable_model_drag_source(). Calling this method sets
13487 * #GtkTreeView:reorderable to %FALSE.
13488 **/
13489 void
gtk_tree_view_unset_rows_drag_source(GtkTreeView * tree_view)13490 gtk_tree_view_unset_rows_drag_source (GtkTreeView *tree_view)
13491 {
13492 TreeViewDragInfo *di;
13493
13494 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13495
13496 di = get_info (tree_view);
13497
13498 if (di)
13499 {
13500 if (di->source_set)
13501 {
13502 gtk_drag_source_unset (GTK_WIDGET (tree_view));
13503 di->source_set = FALSE;
13504 }
13505
13506 if (!di->dest_set && !di->source_set)
13507 remove_info (tree_view);
13508 }
13509
13510 unset_reorderable (tree_view);
13511 }
13512
13513 /**
13514 * gtk_tree_view_unset_rows_drag_dest:
13515 * @tree_view: a #GtkTreeView
13516 *
13517 * Undoes the effect of
13518 * gtk_tree_view_enable_model_drag_dest(). Calling this method sets
13519 * #GtkTreeView:reorderable to %FALSE.
13520 **/
13521 void
gtk_tree_view_unset_rows_drag_dest(GtkTreeView * tree_view)13522 gtk_tree_view_unset_rows_drag_dest (GtkTreeView *tree_view)
13523 {
13524 TreeViewDragInfo *di;
13525
13526 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13527
13528 di = get_info (tree_view);
13529
13530 if (di)
13531 {
13532 if (di->dest_set)
13533 {
13534 gtk_drag_dest_unset (GTK_WIDGET (tree_view));
13535 di->dest_set = FALSE;
13536 }
13537
13538 if (!di->dest_set && !di->source_set)
13539 remove_info (tree_view);
13540 }
13541
13542 unset_reorderable (tree_view);
13543 }
13544
13545 /**
13546 * gtk_tree_view_set_drag_dest_row:
13547 * @tree_view: a #GtkTreeView
13548 * @path: (allow-none): The path of the row to highlight, or %NULL.
13549 * @pos: Specifies whether to drop before, after or into the row
13550 *
13551 * Sets the row that is highlighted for feedback.
13552 **/
13553 void
gtk_tree_view_set_drag_dest_row(GtkTreeView * tree_view,GtkTreePath * path,GtkTreeViewDropPosition pos)13554 gtk_tree_view_set_drag_dest_row (GtkTreeView *tree_view,
13555 GtkTreePath *path,
13556 GtkTreeViewDropPosition pos)
13557 {
13558 GtkTreePath *current_dest;
13559
13560 /* Note; this function is exported to allow a custom DND
13561 * implementation, so it can't touch TreeViewDragInfo
13562 */
13563
13564 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13565
13566 current_dest = NULL;
13567
13568 if (tree_view->priv->drag_dest_row)
13569 {
13570 current_dest = gtk_tree_row_reference_get_path (tree_view->priv->drag_dest_row);
13571 gtk_tree_row_reference_free (tree_view->priv->drag_dest_row);
13572 }
13573
13574 /* special case a drop on an empty model */
13575 tree_view->priv->empty_view_drop = 0;
13576
13577 if (pos == GTK_TREE_VIEW_DROP_BEFORE && path
13578 && gtk_tree_path_get_depth (path) == 1
13579 && gtk_tree_path_get_indices (path)[0] == 0)
13580 {
13581 gint n_children;
13582
13583 n_children = gtk_tree_model_iter_n_children (tree_view->priv->model,
13584 NULL);
13585
13586 if (!n_children)
13587 tree_view->priv->empty_view_drop = 1;
13588 }
13589
13590 tree_view->priv->drag_dest_pos = pos;
13591
13592 if (path)
13593 {
13594 tree_view->priv->drag_dest_row =
13595 gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), tree_view->priv->model, path);
13596 gtk_tree_view_queue_draw_path (tree_view, path, NULL);
13597 }
13598 else
13599 tree_view->priv->drag_dest_row = NULL;
13600
13601 if (current_dest)
13602 {
13603 GtkRBTree *tree, *new_tree;
13604 GtkRBNode *node, *new_node;
13605
13606 _gtk_tree_view_find_node (tree_view, current_dest, &tree, &node);
13607 _gtk_tree_view_queue_draw_node (tree_view, tree, node, NULL);
13608
13609 if (tree && node)
13610 {
13611 _gtk_rbtree_next_full (tree, node, &new_tree, &new_node);
13612 if (new_tree && new_node)
13613 _gtk_tree_view_queue_draw_node (tree_view, new_tree, new_node, NULL);
13614
13615 _gtk_rbtree_prev_full (tree, node, &new_tree, &new_node);
13616 if (new_tree && new_node)
13617 _gtk_tree_view_queue_draw_node (tree_view, new_tree, new_node, NULL);
13618 }
13619 gtk_tree_path_free (current_dest);
13620 }
13621 }
13622
13623 /**
13624 * gtk_tree_view_get_drag_dest_row:
13625 * @tree_view: a #GtkTreeView
13626 * @path: (out) (allow-none): Return location for the path of the highlighted row, or %NULL.
13627 * @pos: (out) (allow-none): Return location for the drop position, or %NULL
13628 *
13629 * Gets information about the row that is highlighted for feedback.
13630 **/
13631 void
gtk_tree_view_get_drag_dest_row(GtkTreeView * tree_view,GtkTreePath ** path,GtkTreeViewDropPosition * pos)13632 gtk_tree_view_get_drag_dest_row (GtkTreeView *tree_view,
13633 GtkTreePath **path,
13634 GtkTreeViewDropPosition *pos)
13635 {
13636 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13637
13638 if (path)
13639 {
13640 if (tree_view->priv->drag_dest_row)
13641 *path = gtk_tree_row_reference_get_path (tree_view->priv->drag_dest_row);
13642 else
13643 {
13644 if (tree_view->priv->empty_view_drop)
13645 *path = gtk_tree_path_new_from_indices (0, -1);
13646 else
13647 *path = NULL;
13648 }
13649 }
13650
13651 if (pos)
13652 *pos = tree_view->priv->drag_dest_pos;
13653 }
13654
13655 /**
13656 * gtk_tree_view_get_dest_row_at_pos:
13657 * @tree_view: a #GtkTreeView
13658 * @drag_x: the position to determine the destination row for
13659 * @drag_y: the position to determine the destination row for
13660 * @path: (out) (allow-none): Return location for the path of the highlighted row, or %NULL.
13661 * @pos: (out) (allow-none): Return location for the drop position, or %NULL
13662 *
13663 * Determines the destination row for a given position. @drag_x and
13664 * @drag_y are expected to be in widget coordinates. This function is only
13665 * meaningful if @tree_view is realized. Therefore this function will always
13666 * return %FALSE if @tree_view is not realized or does not have a model.
13667 *
13668 * Return value: whether there is a row at the given position, %TRUE if this
13669 * is indeed the case.
13670 **/
13671 gboolean
gtk_tree_view_get_dest_row_at_pos(GtkTreeView * tree_view,gint drag_x,gint drag_y,GtkTreePath ** path,GtkTreeViewDropPosition * pos)13672 gtk_tree_view_get_dest_row_at_pos (GtkTreeView *tree_view,
13673 gint drag_x,
13674 gint drag_y,
13675 GtkTreePath **path,
13676 GtkTreeViewDropPosition *pos)
13677 {
13678 gint cell_y;
13679 gint bin_x, bin_y;
13680 gdouble offset_into_row;
13681 gdouble third;
13682 GdkRectangle cell;
13683 GtkTreeViewColumn *column = NULL;
13684 GtkTreePath *tmp_path = NULL;
13685
13686 /* Note; this function is exported to allow a custom DND
13687 * implementation, so it can't touch TreeViewDragInfo
13688 */
13689
13690 g_return_val_if_fail (tree_view != NULL, FALSE);
13691 g_return_val_if_fail (drag_x >= 0, FALSE);
13692 g_return_val_if_fail (drag_y >= 0, FALSE);
13693
13694 if (path)
13695 *path = NULL;
13696
13697 if (tree_view->priv->bin_window == NULL)
13698 return FALSE;
13699
13700 if (tree_view->priv->tree == NULL)
13701 return FALSE;
13702
13703 /* If in the top third of a row, we drop before that row; if
13704 * in the bottom third, drop after that row; if in the middle,
13705 * and the row has children, drop into the row.
13706 */
13707 gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, drag_x, drag_y,
13708 &bin_x, &bin_y);
13709
13710 if (!gtk_tree_view_get_path_at_pos (tree_view,
13711 bin_x,
13712 bin_y,
13713 &tmp_path,
13714 &column,
13715 NULL,
13716 &cell_y))
13717 return FALSE;
13718
13719 gtk_tree_view_get_background_area (tree_view, tmp_path, column,
13720 &cell);
13721
13722 offset_into_row = cell_y;
13723
13724 if (path)
13725 *path = tmp_path;
13726 else
13727 gtk_tree_path_free (tmp_path);
13728
13729 tmp_path = NULL;
13730
13731 third = cell.height / 3.0;
13732
13733 if (pos)
13734 {
13735 if (offset_into_row < third)
13736 {
13737 *pos = GTK_TREE_VIEW_DROP_BEFORE;
13738 }
13739 else if (offset_into_row < (cell.height / 2.0))
13740 {
13741 *pos = GTK_TREE_VIEW_DROP_INTO_OR_BEFORE;
13742 }
13743 else if (offset_into_row < third * 2.0)
13744 {
13745 *pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER;
13746 }
13747 else
13748 {
13749 *pos = GTK_TREE_VIEW_DROP_AFTER;
13750 }
13751 }
13752
13753 return TRUE;
13754 }
13755
13756
13757
13758 /* KEEP IN SYNC WITH GTK_TREE_VIEW_BIN_EXPOSE */
13759 /**
13760 * gtk_tree_view_create_row_drag_icon:
13761 * @tree_view: a #GtkTreeView
13762 * @path: a #GtkTreePath in @tree_view
13763 *
13764 * Creates a #GdkPixmap representation of the row at @path.
13765 * This image is used for a drag icon.
13766 *
13767 * Return value: (transfer none): a newly-allocated pixmap of the drag icon.
13768 **/
13769 GdkPixmap *
gtk_tree_view_create_row_drag_icon(GtkTreeView * tree_view,GtkTreePath * path)13770 gtk_tree_view_create_row_drag_icon (GtkTreeView *tree_view,
13771 GtkTreePath *path)
13772 {
13773 GtkTreeIter iter;
13774 GtkRBTree *tree;
13775 GtkRBNode *node;
13776 gint cell_offset;
13777 GList *list;
13778 GdkRectangle background_area;
13779 GdkRectangle expose_area;
13780 GtkWidget *widget;
13781 gint depth;
13782 /* start drawing inside the black outline */
13783 gint x = 1, y = 1;
13784 GdkDrawable *drawable;
13785 gint bin_window_width;
13786 gboolean is_separator = FALSE;
13787 gboolean rtl;
13788 cairo_t *cr;
13789
13790 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
13791 g_return_val_if_fail (path != NULL, NULL);
13792
13793 widget = GTK_WIDGET (tree_view);
13794
13795 if (!gtk_widget_get_realized (widget))
13796 return NULL;
13797
13798 depth = gtk_tree_path_get_depth (path);
13799
13800 _gtk_tree_view_find_node (tree_view,
13801 path,
13802 &tree,
13803 &node);
13804
13805 if (tree == NULL)
13806 return NULL;
13807
13808 if (!gtk_tree_model_get_iter (tree_view->priv->model,
13809 &iter,
13810 path))
13811 return NULL;
13812
13813 is_separator = row_is_separator (tree_view, &iter, NULL);
13814
13815 cell_offset = x;
13816
13817 background_area.y = y;
13818 background_area.height = ROW_HEIGHT (tree_view, BACKGROUND_HEIGHT (node));
13819
13820 bin_window_width = gdk_window_get_width (tree_view->priv->bin_window);
13821
13822 drawable = gdk_pixmap_new (tree_view->priv->bin_window,
13823 bin_window_width + 2,
13824 background_area.height + 2,
13825 -1);
13826
13827 expose_area.x = 0;
13828 expose_area.y = 0;
13829 expose_area.width = bin_window_width + 2;
13830 expose_area.height = background_area.height + 2;
13831
13832 cr = gdk_cairo_create (drawable);
13833 gdk_cairo_set_source_color (cr, &widget->style->base [gtk_widget_get_state (widget)]);
13834 cairo_paint (cr);
13835
13836 rtl = gtk_widget_get_direction (GTK_WIDGET (tree_view)) == GTK_TEXT_DIR_RTL;
13837
13838 for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
13839 list;
13840 list = (rtl ? list->prev : list->next))
13841 {
13842 GtkTreeViewColumn *column = list->data;
13843 GdkRectangle cell_area;
13844 gint vertical_separator;
13845
13846 if (!column->visible)
13847 continue;
13848
13849 gtk_tree_view_column_cell_set_cell_data (column, tree_view->priv->model, &iter,
13850 GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_PARENT),
13851 node->children?TRUE:FALSE);
13852
13853 background_area.x = cell_offset;
13854 background_area.width = column->width;
13855
13856 gtk_widget_style_get (widget,
13857 "vertical-separator", &vertical_separator,
13858 NULL);
13859
13860 cell_area = background_area;
13861
13862 cell_area.y += vertical_separator / 2;
13863 cell_area.height -= vertical_separator;
13864
13865 if (gtk_tree_view_is_expander_column (tree_view, column))
13866 {
13867 if (!rtl)
13868 cell_area.x += (depth - 1) * tree_view->priv->level_indentation;
13869 cell_area.width -= (depth - 1) * tree_view->priv->level_indentation;
13870
13871 if (TREE_VIEW_DRAW_EXPANDERS(tree_view))
13872 {
13873 if (!rtl)
13874 cell_area.x += depth * tree_view->priv->expander_size;
13875 cell_area.width -= depth * tree_view->priv->expander_size;
13876 }
13877 }
13878
13879 if (gtk_tree_view_column_cell_is_visible (column))
13880 {
13881 if (is_separator)
13882 gtk_paint_hline (widget->style,
13883 drawable,
13884 GTK_STATE_NORMAL,
13885 &cell_area,
13886 widget,
13887 NULL,
13888 cell_area.x,
13889 cell_area.x + cell_area.width,
13890 cell_area.y + cell_area.height / 2);
13891 else
13892 _gtk_tree_view_column_cell_render (column,
13893 drawable,
13894 &background_area,
13895 &cell_area,
13896 &expose_area,
13897 0);
13898 }
13899 cell_offset += column->width;
13900 }
13901
13902 cairo_set_source_rgb (cr, 0, 0, 0);
13903 cairo_rectangle (cr,
13904 0.5, 0.5,
13905 bin_window_width + 1,
13906 background_area.height + 1);
13907 cairo_set_line_width (cr, 1.0);
13908 cairo_stroke (cr);
13909
13910 cairo_destroy (cr);
13911
13912 return drawable;
13913 }
13914
13915
13916 /**
13917 * gtk_tree_view_set_destroy_count_func:
13918 * @tree_view: A #GtkTreeView
13919 * @func: (allow-none): Function to be called when a view row is destroyed, or %NULL
13920 * @data: (allow-none): User data to be passed to @func, or %NULL
13921 * @destroy: (allow-none): Destroy notifier for @data, or %NULL
13922 *
13923 * This function should almost never be used. It is meant for private use by
13924 * ATK for determining the number of visible children that are removed when the
13925 * user collapses a row, or a row is deleted.
13926 **/
13927 void
gtk_tree_view_set_destroy_count_func(GtkTreeView * tree_view,GtkTreeDestroyCountFunc func,gpointer data,GDestroyNotify destroy)13928 gtk_tree_view_set_destroy_count_func (GtkTreeView *tree_view,
13929 GtkTreeDestroyCountFunc func,
13930 gpointer data,
13931 GDestroyNotify destroy)
13932 {
13933 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13934
13935 if (tree_view->priv->destroy_count_destroy)
13936 tree_view->priv->destroy_count_destroy (tree_view->priv->destroy_count_data);
13937
13938 tree_view->priv->destroy_count_func = func;
13939 tree_view->priv->destroy_count_data = data;
13940 tree_view->priv->destroy_count_destroy = destroy;
13941 }
13942
13943
13944 /*
13945 * Interactive search
13946 */
13947
13948 /**
13949 * gtk_tree_view_set_enable_search:
13950 * @tree_view: A #GtkTreeView
13951 * @enable_search: %TRUE, if the user can search interactively
13952 *
13953 * If @enable_search is set, then the user can type in text to search through
13954 * the tree interactively (this is sometimes called "typeahead find").
13955 *
13956 * Note that even if this is %FALSE, the user can still initiate a search
13957 * using the "start-interactive-search" key binding.
13958 */
13959 void
gtk_tree_view_set_enable_search(GtkTreeView * tree_view,gboolean enable_search)13960 gtk_tree_view_set_enable_search (GtkTreeView *tree_view,
13961 gboolean enable_search)
13962 {
13963 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
13964
13965 enable_search = !!enable_search;
13966
13967 if (tree_view->priv->enable_search != enable_search)
13968 {
13969 tree_view->priv->enable_search = enable_search;
13970 g_object_notify (G_OBJECT (tree_view), "enable-search");
13971 }
13972 }
13973
13974 /**
13975 * gtk_tree_view_get_enable_search:
13976 * @tree_view: A #GtkTreeView
13977 *
13978 * Returns whether or not the tree allows to start interactive searching
13979 * by typing in text.
13980 *
13981 * Return value: whether or not to let the user search interactively
13982 */
13983 gboolean
gtk_tree_view_get_enable_search(GtkTreeView * tree_view)13984 gtk_tree_view_get_enable_search (GtkTreeView *tree_view)
13985 {
13986 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
13987
13988 return tree_view->priv->enable_search;
13989 }
13990
13991
13992 /**
13993 * gtk_tree_view_get_search_column:
13994 * @tree_view: A #GtkTreeView
13995 *
13996 * Gets the column searched on by the interactive search code.
13997 *
13998 * Return value: the column the interactive search code searches in.
13999 */
14000 gint
gtk_tree_view_get_search_column(GtkTreeView * tree_view)14001 gtk_tree_view_get_search_column (GtkTreeView *tree_view)
14002 {
14003 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), -1);
14004
14005 return (tree_view->priv->search_column);
14006 }
14007
14008 /**
14009 * gtk_tree_view_set_search_column:
14010 * @tree_view: A #GtkTreeView
14011 * @column: the column of the model to search in, or -1 to disable searching
14012 *
14013 * Sets @column as the column where the interactive search code should
14014 * search in for the current model.
14015 *
14016 * If the search column is set, users can use the "start-interactive-search"
14017 * key binding to bring up search popup. The enable-search property controls
14018 * whether simply typing text will also start an interactive search.
14019 *
14020 * Note that @column refers to a column of the current model. The search
14021 * column is reset to -1 when the model is changed.
14022 */
14023 void
gtk_tree_view_set_search_column(GtkTreeView * tree_view,gint column)14024 gtk_tree_view_set_search_column (GtkTreeView *tree_view,
14025 gint column)
14026 {
14027 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
14028 g_return_if_fail (column >= -1);
14029
14030 if (tree_view->priv->search_column == column)
14031 return;
14032
14033 tree_view->priv->search_column = column;
14034 g_object_notify (G_OBJECT (tree_view), "search-column");
14035 }
14036
14037 /**
14038 * gtk_tree_view_get_search_equal_func:
14039 * @tree_view: A #GtkTreeView
14040 *
14041 * Returns the compare function currently in use.
14042 *
14043 * Return value: the currently used compare function for the search code.
14044 */
14045
14046 GtkTreeViewSearchEqualFunc
gtk_tree_view_get_search_equal_func(GtkTreeView * tree_view)14047 gtk_tree_view_get_search_equal_func (GtkTreeView *tree_view)
14048 {
14049 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
14050
14051 return tree_view->priv->search_equal_func;
14052 }
14053
14054 /**
14055 * gtk_tree_view_set_search_equal_func:
14056 * @tree_view: A #GtkTreeView
14057 * @search_equal_func: the compare function to use during the search
14058 * @search_user_data: (allow-none): user data to pass to @search_equal_func, or %NULL
14059 * @search_destroy: (allow-none): Destroy notifier for @search_user_data, or %NULL
14060 *
14061 * Sets the compare function for the interactive search capabilities; note
14062 * that somewhat like strcmp() returning 0 for equality
14063 * #GtkTreeViewSearchEqualFunc returns %FALSE on matches.
14064 **/
14065 void
gtk_tree_view_set_search_equal_func(GtkTreeView * tree_view,GtkTreeViewSearchEqualFunc search_equal_func,gpointer search_user_data,GDestroyNotify search_destroy)14066 gtk_tree_view_set_search_equal_func (GtkTreeView *tree_view,
14067 GtkTreeViewSearchEqualFunc search_equal_func,
14068 gpointer search_user_data,
14069 GDestroyNotify search_destroy)
14070 {
14071 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
14072 g_return_if_fail (search_equal_func != NULL);
14073
14074 if (tree_view->priv->search_destroy)
14075 tree_view->priv->search_destroy (tree_view->priv->search_user_data);
14076
14077 tree_view->priv->search_equal_func = search_equal_func;
14078 tree_view->priv->search_user_data = search_user_data;
14079 tree_view->priv->search_destroy = search_destroy;
14080 if (tree_view->priv->search_equal_func == NULL)
14081 tree_view->priv->search_equal_func = gtk_tree_view_search_equal_func;
14082 }
14083
14084 /**
14085 * gtk_tree_view_get_search_entry:
14086 * @tree_view: A #GtkTreeView
14087 *
14088 * Returns the #GtkEntry which is currently in use as interactive search
14089 * entry for @tree_view. In case the built-in entry is being used, %NULL
14090 * will be returned.
14091 *
14092 * Return value: (transfer none): the entry currently in use as search entry.
14093 *
14094 * Since: 2.10
14095 */
14096 GtkEntry *
gtk_tree_view_get_search_entry(GtkTreeView * tree_view)14097 gtk_tree_view_get_search_entry (GtkTreeView *tree_view)
14098 {
14099 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
14100
14101 if (tree_view->priv->search_custom_entry_set)
14102 return GTK_ENTRY (tree_view->priv->search_entry);
14103
14104 return NULL;
14105 }
14106
14107 /**
14108 * gtk_tree_view_set_search_entry:
14109 * @tree_view: A #GtkTreeView
14110 * @entry: (allow-none): the entry the interactive search code of @tree_view should use or %NULL
14111 *
14112 * Sets the entry which the interactive search code will use for this
14113 * @tree_view. This is useful when you want to provide a search entry
14114 * in our interface at all time at a fixed position. Passing %NULL for
14115 * @entry will make the interactive search code use the built-in popup
14116 * entry again.
14117 *
14118 * Since: 2.10
14119 */
14120 void
gtk_tree_view_set_search_entry(GtkTreeView * tree_view,GtkEntry * entry)14121 gtk_tree_view_set_search_entry (GtkTreeView *tree_view,
14122 GtkEntry *entry)
14123 {
14124 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
14125 g_return_if_fail (entry == NULL || GTK_IS_ENTRY (entry));
14126
14127 if (tree_view->priv->search_custom_entry_set)
14128 {
14129 if (tree_view->priv->search_entry_changed_id)
14130 {
14131 g_signal_handler_disconnect (tree_view->priv->search_entry,
14132 tree_view->priv->search_entry_changed_id);
14133 tree_view->priv->search_entry_changed_id = 0;
14134 }
14135 g_signal_handlers_disconnect_by_func (tree_view->priv->search_entry,
14136 G_CALLBACK (gtk_tree_view_search_key_press_event),
14137 tree_view);
14138
14139 g_object_unref (tree_view->priv->search_entry);
14140 }
14141 else if (tree_view->priv->search_window)
14142 {
14143 gtk_widget_destroy (tree_view->priv->search_window);
14144
14145 tree_view->priv->search_window = NULL;
14146 }
14147
14148 if (entry)
14149 {
14150 tree_view->priv->search_entry = g_object_ref (entry);
14151 tree_view->priv->search_custom_entry_set = TRUE;
14152
14153 if (tree_view->priv->search_entry_changed_id == 0)
14154 {
14155 tree_view->priv->search_entry_changed_id =
14156 g_signal_connect (tree_view->priv->search_entry, "changed",
14157 G_CALLBACK (gtk_tree_view_search_init),
14158 tree_view);
14159 }
14160
14161 g_signal_connect (tree_view->priv->search_entry, "key-press-event",
14162 G_CALLBACK (gtk_tree_view_search_key_press_event),
14163 tree_view);
14164
14165 gtk_tree_view_search_init (tree_view->priv->search_entry, tree_view);
14166 }
14167 else
14168 {
14169 tree_view->priv->search_entry = NULL;
14170 tree_view->priv->search_custom_entry_set = FALSE;
14171 }
14172 }
14173
14174 /**
14175 * gtk_tree_view_set_search_position_func:
14176 * @tree_view: A #GtkTreeView
14177 * @func: (allow-none): the function to use to position the search dialog, or %NULL
14178 * to use the default search position function
14179 * @data: (allow-none): user data to pass to @func, or %NULL
14180 * @destroy: (allow-none): Destroy notifier for @data, or %NULL
14181 *
14182 * Sets the function to use when positioning the search dialog.
14183 *
14184 * Since: 2.10
14185 **/
14186 void
gtk_tree_view_set_search_position_func(GtkTreeView * tree_view,GtkTreeViewSearchPositionFunc func,gpointer user_data,GDestroyNotify destroy)14187 gtk_tree_view_set_search_position_func (GtkTreeView *tree_view,
14188 GtkTreeViewSearchPositionFunc func,
14189 gpointer user_data,
14190 GDestroyNotify destroy)
14191 {
14192 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
14193
14194 if (tree_view->priv->search_position_destroy)
14195 tree_view->priv->search_position_destroy (tree_view->priv->search_position_user_data);
14196
14197 tree_view->priv->search_position_func = func;
14198 tree_view->priv->search_position_user_data = user_data;
14199 tree_view->priv->search_position_destroy = destroy;
14200 if (tree_view->priv->search_position_func == NULL)
14201 tree_view->priv->search_position_func = gtk_tree_view_search_position_func;
14202 }
14203
14204 /**
14205 * gtk_tree_view_get_search_position_func:
14206 * @tree_view: A #GtkTreeView
14207 *
14208 * Returns the positioning function currently in use.
14209 *
14210 * Return value: the currently used function for positioning the search dialog.
14211 *
14212 * Since: 2.10
14213 */
14214 GtkTreeViewSearchPositionFunc
gtk_tree_view_get_search_position_func(GtkTreeView * tree_view)14215 gtk_tree_view_get_search_position_func (GtkTreeView *tree_view)
14216 {
14217 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
14218
14219 return tree_view->priv->search_position_func;
14220 }
14221
14222
14223 static void
gtk_tree_view_search_dialog_hide(GtkWidget * search_dialog,GtkTreeView * tree_view)14224 gtk_tree_view_search_dialog_hide (GtkWidget *search_dialog,
14225 GtkTreeView *tree_view)
14226 {
14227 if (tree_view->priv->disable_popdown)
14228 return;
14229
14230 if (tree_view->priv->search_entry_changed_id)
14231 {
14232 g_signal_handler_disconnect (tree_view->priv->search_entry,
14233 tree_view->priv->search_entry_changed_id);
14234 tree_view->priv->search_entry_changed_id = 0;
14235 }
14236 if (tree_view->priv->typeselect_flush_timeout)
14237 {
14238 g_source_remove (tree_view->priv->typeselect_flush_timeout);
14239 tree_view->priv->typeselect_flush_timeout = 0;
14240 }
14241
14242 if (gtk_widget_get_visible (search_dialog))
14243 {
14244 /* send focus-in event */
14245 send_focus_change (GTK_WIDGET (tree_view->priv->search_entry), FALSE);
14246 gtk_widget_hide (search_dialog);
14247 gtk_entry_set_text (GTK_ENTRY (tree_view->priv->search_entry), "");
14248 send_focus_change (GTK_WIDGET (tree_view), TRUE);
14249 }
14250 }
14251
14252 static void
gtk_tree_view_search_position_func(GtkTreeView * tree_view,GtkWidget * search_dialog,gpointer user_data)14253 gtk_tree_view_search_position_func (GtkTreeView *tree_view,
14254 GtkWidget *search_dialog,
14255 gpointer user_data)
14256 {
14257 gint x, y;
14258 gint tree_x, tree_y;
14259 gint tree_width, tree_height;
14260 GdkWindow *tree_window = GTK_WIDGET (tree_view)->window;
14261 GdkScreen *screen = gdk_window_get_screen (tree_window);
14262 GtkRequisition requisition;
14263 gint monitor_num;
14264 GdkRectangle monitor;
14265
14266 monitor_num = gdk_screen_get_monitor_at_window (screen, tree_window);
14267 gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
14268
14269 gtk_widget_realize (search_dialog);
14270
14271 gdk_window_get_origin (tree_window, &tree_x, &tree_y);
14272 tree_width = gdk_window_get_width (tree_window);
14273 tree_height = gdk_window_get_height (tree_window);
14274 gtk_widget_size_request (search_dialog, &requisition);
14275
14276 if (tree_x + tree_width > gdk_screen_get_width (screen))
14277 x = gdk_screen_get_width (screen) - requisition.width;
14278 else if (tree_x + tree_width - requisition.width < 0)
14279 x = 0;
14280 else
14281 x = tree_x + tree_width - requisition.width;
14282
14283 if (tree_y + tree_height + requisition.height > gdk_screen_get_height (screen))
14284 y = gdk_screen_get_height (screen) - requisition.height;
14285 else if (tree_y + tree_height < 0) /* isn't really possible ... */
14286 y = 0;
14287 else
14288 y = tree_y + tree_height;
14289
14290 gtk_window_move (GTK_WINDOW (search_dialog), x, y);
14291 }
14292
14293 static void
gtk_tree_view_search_disable_popdown(GtkEntry * entry,GtkMenu * menu,gpointer data)14294 gtk_tree_view_search_disable_popdown (GtkEntry *entry,
14295 GtkMenu *menu,
14296 gpointer data)
14297 {
14298 GtkTreeView *tree_view = (GtkTreeView *)data;
14299
14300 tree_view->priv->disable_popdown = 1;
14301 g_signal_connect (menu, "hide",
14302 G_CALLBACK (gtk_tree_view_search_enable_popdown), data);
14303 }
14304
14305 /* Because we're visible but offscreen, we just set a flag in the preedit
14306 * callback.
14307 */
14308 static void
gtk_tree_view_search_preedit_changed(GtkIMContext * im_context,GtkTreeView * tree_view)14309 gtk_tree_view_search_preedit_changed (GtkIMContext *im_context,
14310 GtkTreeView *tree_view)
14311 {
14312 tree_view->priv->imcontext_changed = 1;
14313 if (tree_view->priv->typeselect_flush_timeout)
14314 {
14315 g_source_remove (tree_view->priv->typeselect_flush_timeout);
14316 tree_view->priv->typeselect_flush_timeout =
14317 gdk_threads_add_timeout (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT,
14318 (GSourceFunc) gtk_tree_view_search_entry_flush_timeout,
14319 tree_view);
14320 }
14321
14322 }
14323
14324 static void
gtk_tree_view_search_activate(GtkEntry * entry,GtkTreeView * tree_view)14325 gtk_tree_view_search_activate (GtkEntry *entry,
14326 GtkTreeView *tree_view)
14327 {
14328 GtkTreePath *path;
14329 GtkRBNode *node;
14330 GtkRBTree *tree;
14331
14332 gtk_tree_view_search_dialog_hide (tree_view->priv->search_window,
14333 tree_view);
14334
14335 /* If we have a row selected and it's the cursor row, we activate
14336 * the row XXX */
14337 if (gtk_tree_row_reference_valid (tree_view->priv->cursor))
14338 {
14339 path = gtk_tree_row_reference_get_path (tree_view->priv->cursor);
14340
14341 _gtk_tree_view_find_node (tree_view, path, &tree, &node);
14342
14343 if (node && GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
14344 gtk_tree_view_row_activated (tree_view, path, tree_view->priv->focus_column);
14345
14346 gtk_tree_path_free (path);
14347 }
14348 }
14349
14350 static gboolean
gtk_tree_view_real_search_enable_popdown(gpointer data)14351 gtk_tree_view_real_search_enable_popdown (gpointer data)
14352 {
14353 GtkTreeView *tree_view = (GtkTreeView *)data;
14354
14355 tree_view->priv->disable_popdown = 0;
14356
14357 return FALSE;
14358 }
14359
14360 static void
gtk_tree_view_search_enable_popdown(GtkWidget * widget,gpointer data)14361 gtk_tree_view_search_enable_popdown (GtkWidget *widget,
14362 gpointer data)
14363 {
14364 gdk_threads_add_timeout_full (G_PRIORITY_HIGH, 200, gtk_tree_view_real_search_enable_popdown, g_object_ref (data), g_object_unref);
14365 }
14366
14367 static gboolean
gtk_tree_view_search_delete_event(GtkWidget * widget,GdkEventAny * event,GtkTreeView * tree_view)14368 gtk_tree_view_search_delete_event (GtkWidget *widget,
14369 GdkEventAny *event,
14370 GtkTreeView *tree_view)
14371 {
14372 g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
14373
14374 gtk_tree_view_search_dialog_hide (widget, tree_view);
14375
14376 return TRUE;
14377 }
14378
14379 static gboolean
gtk_tree_view_search_button_press_event(GtkWidget * widget,GdkEventButton * event,GtkTreeView * tree_view)14380 gtk_tree_view_search_button_press_event (GtkWidget *widget,
14381 GdkEventButton *event,
14382 GtkTreeView *tree_view)
14383 {
14384 g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
14385
14386 gtk_tree_view_search_dialog_hide (widget, tree_view);
14387
14388 if (event->window == tree_view->priv->bin_window)
14389 gtk_tree_view_button_press (GTK_WIDGET (tree_view), event);
14390
14391 return TRUE;
14392 }
14393
14394 static gboolean
gtk_tree_view_search_scroll_event(GtkWidget * widget,GdkEventScroll * event,GtkTreeView * tree_view)14395 gtk_tree_view_search_scroll_event (GtkWidget *widget,
14396 GdkEventScroll *event,
14397 GtkTreeView *tree_view)
14398 {
14399 gboolean retval = FALSE;
14400
14401 if (event->direction == GDK_SCROLL_UP)
14402 {
14403 gtk_tree_view_search_move (widget, tree_view, TRUE);
14404 retval = TRUE;
14405 }
14406 else if (event->direction == GDK_SCROLL_DOWN)
14407 {
14408 gtk_tree_view_search_move (widget, tree_view, FALSE);
14409 retval = TRUE;
14410 }
14411
14412 /* renew the flush timeout */
14413 if (retval && tree_view->priv->typeselect_flush_timeout
14414 && !tree_view->priv->search_custom_entry_set)
14415 {
14416 g_source_remove (tree_view->priv->typeselect_flush_timeout);
14417 tree_view->priv->typeselect_flush_timeout =
14418 gdk_threads_add_timeout (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT,
14419 (GSourceFunc) gtk_tree_view_search_entry_flush_timeout,
14420 tree_view);
14421 }
14422
14423 return retval;
14424 }
14425
14426 static gboolean
gtk_tree_view_search_key_press_event(GtkWidget * widget,GdkEventKey * event,GtkTreeView * tree_view)14427 gtk_tree_view_search_key_press_event (GtkWidget *widget,
14428 GdkEventKey *event,
14429 GtkTreeView *tree_view)
14430 {
14431 gboolean retval = FALSE;
14432
14433 g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
14434 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
14435
14436 /* close window and cancel the search */
14437 if (!tree_view->priv->search_custom_entry_set
14438 && (event->keyval == GDK_Escape ||
14439 event->keyval == GDK_Tab ||
14440 event->keyval == GDK_KP_Tab ||
14441 event->keyval == GDK_ISO_Left_Tab))
14442 {
14443 gtk_tree_view_search_dialog_hide (widget, tree_view);
14444 return TRUE;
14445 }
14446
14447 /* select previous matching iter */
14448 if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
14449 {
14450 if (!gtk_tree_view_search_move (widget, tree_view, TRUE))
14451 gtk_widget_error_bell (widget);
14452
14453 retval = TRUE;
14454 }
14455
14456 if (((event->state & (GTK_DEFAULT_ACCEL_MOD_MASK | GDK_SHIFT_MASK)) == (GTK_DEFAULT_ACCEL_MOD_MASK | GDK_SHIFT_MASK))
14457 && (event->keyval == GDK_g || event->keyval == GDK_G))
14458 {
14459 if (!gtk_tree_view_search_move (widget, tree_view, TRUE))
14460 gtk_widget_error_bell (widget);
14461
14462 retval = TRUE;
14463 }
14464
14465 /* select next matching iter */
14466 if (event->keyval == GDK_Down || event->keyval == GDK_KP_Down)
14467 {
14468 if (!gtk_tree_view_search_move (widget, tree_view, FALSE))
14469 gtk_widget_error_bell (widget);
14470
14471 retval = TRUE;
14472 }
14473
14474 if (((event->state & (GTK_DEFAULT_ACCEL_MOD_MASK | GDK_SHIFT_MASK)) == GTK_DEFAULT_ACCEL_MOD_MASK)
14475 && (event->keyval == GDK_g || event->keyval == GDK_G))
14476 {
14477 if (!gtk_tree_view_search_move (widget, tree_view, FALSE))
14478 gtk_widget_error_bell (widget);
14479
14480 retval = TRUE;
14481 }
14482
14483 /* renew the flush timeout */
14484 if (retval && tree_view->priv->typeselect_flush_timeout
14485 && !tree_view->priv->search_custom_entry_set)
14486 {
14487 g_source_remove (tree_view->priv->typeselect_flush_timeout);
14488 tree_view->priv->typeselect_flush_timeout =
14489 gdk_threads_add_timeout (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT,
14490 (GSourceFunc) gtk_tree_view_search_entry_flush_timeout,
14491 tree_view);
14492 }
14493
14494 return retval;
14495 }
14496
14497 /* this function returns FALSE if there is a search string but
14498 * nothing was found, and TRUE otherwise.
14499 */
14500 static gboolean
gtk_tree_view_search_move(GtkWidget * window,GtkTreeView * tree_view,gboolean up)14501 gtk_tree_view_search_move (GtkWidget *window,
14502 GtkTreeView *tree_view,
14503 gboolean up)
14504 {
14505 gboolean ret;
14506 gint len;
14507 gint count = 0;
14508 const gchar *text;
14509 GtkTreeIter iter;
14510 GtkTreeModel *model;
14511 GtkTreeSelection *selection;
14512
14513 text = gtk_entry_get_text (GTK_ENTRY (tree_view->priv->search_entry));
14514
14515 g_return_val_if_fail (text != NULL, FALSE);
14516
14517 len = strlen (text);
14518
14519 if (up && tree_view->priv->selected_iter == 1)
14520 return strlen (text) < 1;
14521
14522 len = strlen (text);
14523
14524 if (len < 1)
14525 return TRUE;
14526
14527 model = gtk_tree_view_get_model (tree_view);
14528 selection = gtk_tree_view_get_selection (tree_view);
14529
14530 /* search */
14531 gtk_tree_selection_unselect_all (selection);
14532 if (!gtk_tree_model_get_iter_first (model, &iter))
14533 return TRUE;
14534
14535 ret = gtk_tree_view_search_iter (model, selection, &iter, text,
14536 &count, up?((tree_view->priv->selected_iter) - 1):((tree_view->priv->selected_iter + 1)));
14537
14538 if (ret)
14539 {
14540 /* found */
14541 tree_view->priv->selected_iter += up?(-1):(1);
14542 return TRUE;
14543 }
14544 else
14545 {
14546 /* return to old iter */
14547 count = 0;
14548 gtk_tree_model_get_iter_first (model, &iter);
14549 gtk_tree_view_search_iter (model, selection,
14550 &iter, text,
14551 &count, tree_view->priv->selected_iter);
14552 return FALSE;
14553 }
14554 }
14555
14556 static gboolean
gtk_tree_view_search_equal_func(GtkTreeModel * model,gint column,const gchar * key,GtkTreeIter * iter,gpointer search_data)14557 gtk_tree_view_search_equal_func (GtkTreeModel *model,
14558 gint column,
14559 const gchar *key,
14560 GtkTreeIter *iter,
14561 gpointer search_data)
14562 {
14563 gboolean retval = TRUE;
14564 const gchar *str;
14565 gchar *normalized_string;
14566 gchar *normalized_key;
14567 gchar *case_normalized_string = NULL;
14568 gchar *case_normalized_key = NULL;
14569 GValue value = {0,};
14570 GValue transformed = {0,};
14571
14572 gtk_tree_model_get_value (model, iter, column, &value);
14573
14574 g_value_init (&transformed, G_TYPE_STRING);
14575
14576 if (!g_value_transform (&value, &transformed))
14577 {
14578 g_value_unset (&value);
14579 return TRUE;
14580 }
14581
14582 g_value_unset (&value);
14583
14584 str = g_value_get_string (&transformed);
14585 if (!str)
14586 {
14587 g_value_unset (&transformed);
14588 return TRUE;
14589 }
14590
14591 normalized_string = g_utf8_normalize (str, -1, G_NORMALIZE_ALL);
14592 normalized_key = g_utf8_normalize (key, -1, G_NORMALIZE_ALL);
14593
14594 if (normalized_string && normalized_key)
14595 {
14596 case_normalized_string = g_utf8_casefold (normalized_string, -1);
14597 case_normalized_key = g_utf8_casefold (normalized_key, -1);
14598
14599 if (strncmp (case_normalized_key, case_normalized_string, strlen (case_normalized_key)) == 0)
14600 retval = FALSE;
14601 }
14602
14603 g_value_unset (&transformed);
14604 g_free (normalized_key);
14605 g_free (normalized_string);
14606 g_free (case_normalized_key);
14607 g_free (case_normalized_string);
14608
14609 return retval;
14610 }
14611
14612 static gboolean
gtk_tree_view_search_iter(GtkTreeModel * model,GtkTreeSelection * selection,GtkTreeIter * iter,const gchar * text,gint * count,gint n)14613 gtk_tree_view_search_iter (GtkTreeModel *model,
14614 GtkTreeSelection *selection,
14615 GtkTreeIter *iter,
14616 const gchar *text,
14617 gint *count,
14618 gint n)
14619 {
14620 GtkRBTree *tree = NULL;
14621 GtkRBNode *node = NULL;
14622 GtkTreePath *path;
14623
14624 GtkTreeView *tree_view = gtk_tree_selection_get_tree_view (selection);
14625
14626 path = gtk_tree_model_get_path (model, iter);
14627 _gtk_tree_view_find_node (tree_view, path, &tree, &node);
14628
14629 do
14630 {
14631 if (! tree_view->priv->search_equal_func (model, tree_view->priv->search_column, text, iter, tree_view->priv->search_user_data))
14632 {
14633 (*count)++;
14634 if (*count == n)
14635 {
14636 gtk_tree_view_scroll_to_cell (tree_view, path, NULL,
14637 TRUE, 0.5, 0.0);
14638 gtk_tree_selection_select_iter (selection, iter);
14639 gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE);
14640
14641 if (path)
14642 gtk_tree_path_free (path);
14643
14644 return TRUE;
14645 }
14646 }
14647
14648 if (node->children)
14649 {
14650 gboolean has_child;
14651 GtkTreeIter tmp;
14652
14653 tree = node->children;
14654 node = tree->root;
14655
14656 while (node->left != tree->nil)
14657 node = node->left;
14658
14659 tmp = *iter;
14660 has_child = gtk_tree_model_iter_children (model, iter, &tmp);
14661 gtk_tree_path_down (path);
14662
14663 /* sanity check */
14664 TREE_VIEW_INTERNAL_ASSERT (has_child, FALSE);
14665 }
14666 else
14667 {
14668 gboolean done = FALSE;
14669
14670 do
14671 {
14672 node = _gtk_rbtree_next (tree, node);
14673
14674 if (node)
14675 {
14676 gboolean has_next;
14677
14678 has_next = gtk_tree_model_iter_next (model, iter);
14679
14680 done = TRUE;
14681 gtk_tree_path_next (path);
14682
14683 /* sanity check */
14684 TREE_VIEW_INTERNAL_ASSERT (has_next, FALSE);
14685 }
14686 else
14687 {
14688 gboolean has_parent;
14689 GtkTreeIter tmp_iter = *iter;
14690
14691 node = tree->parent_node;
14692 tree = tree->parent_tree;
14693
14694 if (!tree)
14695 {
14696 if (path)
14697 gtk_tree_path_free (path);
14698
14699 /* we've run out of tree, done with this func */
14700 return FALSE;
14701 }
14702
14703 has_parent = gtk_tree_model_iter_parent (model,
14704 iter,
14705 &tmp_iter);
14706 gtk_tree_path_up (path);
14707
14708 /* sanity check */
14709 TREE_VIEW_INTERNAL_ASSERT (has_parent, FALSE);
14710 }
14711 }
14712 while (!done);
14713 }
14714 }
14715 while (1);
14716
14717 return FALSE;
14718 }
14719
14720 static void
gtk_tree_view_search_init(GtkWidget * entry,GtkTreeView * tree_view)14721 gtk_tree_view_search_init (GtkWidget *entry,
14722 GtkTreeView *tree_view)
14723 {
14724 gint ret;
14725 gint count = 0;
14726 const gchar *text;
14727 GtkTreeIter iter;
14728 GtkTreeModel *model;
14729 GtkTreeSelection *selection;
14730
14731 g_return_if_fail (GTK_IS_ENTRY (entry));
14732 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
14733
14734 text = gtk_entry_get_text (GTK_ENTRY (entry));
14735
14736 model = gtk_tree_view_get_model (tree_view);
14737 selection = gtk_tree_view_get_selection (tree_view);
14738
14739 /* search */
14740 gtk_tree_selection_unselect_all (selection);
14741 if (tree_view->priv->typeselect_flush_timeout
14742 && !tree_view->priv->search_custom_entry_set)
14743 {
14744 g_source_remove (tree_view->priv->typeselect_flush_timeout);
14745 tree_view->priv->typeselect_flush_timeout =
14746 gdk_threads_add_timeout (GTK_TREE_VIEW_SEARCH_DIALOG_TIMEOUT,
14747 (GSourceFunc) gtk_tree_view_search_entry_flush_timeout,
14748 tree_view);
14749 }
14750
14751 if (*text == '\0')
14752 return;
14753
14754 if (!gtk_tree_model_get_iter_first (model, &iter))
14755 return;
14756
14757 ret = gtk_tree_view_search_iter (model, selection,
14758 &iter, text,
14759 &count, 1);
14760
14761 if (ret)
14762 tree_view->priv->selected_iter = 1;
14763 }
14764
14765 static void
gtk_tree_view_remove_widget(GtkCellEditable * cell_editable,GtkTreeView * tree_view)14766 gtk_tree_view_remove_widget (GtkCellEditable *cell_editable,
14767 GtkTreeView *tree_view)
14768 {
14769 if (tree_view->priv->edited_column == NULL)
14770 return;
14771
14772 _gtk_tree_view_column_stop_editing (tree_view->priv->edited_column);
14773 tree_view->priv->edited_column = NULL;
14774
14775 if (gtk_widget_has_focus (GTK_WIDGET (cell_editable)))
14776 gtk_widget_grab_focus (GTK_WIDGET (tree_view));
14777
14778 g_signal_handlers_disconnect_by_func (cell_editable,
14779 gtk_tree_view_remove_widget,
14780 tree_view);
14781
14782 gtk_container_remove (GTK_CONTAINER (tree_view),
14783 GTK_WIDGET (cell_editable));
14784
14785 /* FIXME should only redraw a single node */
14786 gtk_widget_queue_draw (GTK_WIDGET (tree_view));
14787 }
14788
14789 static gboolean
gtk_tree_view_start_editing(GtkTreeView * tree_view,GtkTreePath * cursor_path)14790 gtk_tree_view_start_editing (GtkTreeView *tree_view,
14791 GtkTreePath *cursor_path)
14792 {
14793 GtkTreeIter iter;
14794 GdkRectangle background_area;
14795 GdkRectangle cell_area;
14796 GtkCellEditable *editable_widget = NULL;
14797 gchar *path_string;
14798 guint flags = 0; /* can be 0, as the flags are primarily for rendering */
14799 gint retval = FALSE;
14800 GtkRBTree *cursor_tree;
14801 GtkRBNode *cursor_node;
14802
14803 g_assert (tree_view->priv->focus_column);
14804
14805 if (!gtk_widget_get_realized (GTK_WIDGET (tree_view)))
14806 return FALSE;
14807
14808 if (_gtk_tree_view_find_node (tree_view, cursor_path, &cursor_tree, &cursor_node) ||
14809 cursor_node == NULL)
14810 return FALSE;
14811
14812 path_string = gtk_tree_path_to_string (cursor_path);
14813 gtk_tree_model_get_iter (tree_view->priv->model, &iter, cursor_path);
14814
14815 validate_row (tree_view, cursor_tree, cursor_node, &iter, cursor_path);
14816
14817 gtk_tree_view_column_cell_set_cell_data (tree_view->priv->focus_column,
14818 tree_view->priv->model,
14819 &iter,
14820 GTK_RBNODE_FLAG_SET (cursor_node, GTK_RBNODE_IS_PARENT),
14821 cursor_node->children?TRUE:FALSE);
14822 gtk_tree_view_get_background_area (tree_view,
14823 cursor_path,
14824 tree_view->priv->focus_column,
14825 &background_area);
14826 gtk_tree_view_get_cell_area (tree_view,
14827 cursor_path,
14828 tree_view->priv->focus_column,
14829 &cell_area);
14830
14831 if (_gtk_tree_view_column_cell_event (tree_view->priv->focus_column,
14832 &editable_widget,
14833 NULL,
14834 path_string,
14835 &background_area,
14836 &cell_area,
14837 flags))
14838 {
14839 retval = TRUE;
14840 if (editable_widget != NULL)
14841 {
14842 gint left, right;
14843 GdkRectangle area;
14844 GtkCellRenderer *cell;
14845
14846 area = cell_area;
14847 cell = _gtk_tree_view_column_get_edited_cell (tree_view->priv->focus_column);
14848
14849 _gtk_tree_view_column_get_neighbor_sizes (tree_view->priv->focus_column, cell, &left, &right);
14850
14851 area.x += left;
14852 area.width -= right + left;
14853
14854 gtk_tree_view_real_start_editing (tree_view,
14855 tree_view->priv->focus_column,
14856 cursor_path,
14857 editable_widget,
14858 &area,
14859 NULL,
14860 flags);
14861 }
14862
14863 }
14864 g_free (path_string);
14865 return retval;
14866 }
14867
14868 static void
gtk_tree_view_real_start_editing(GtkTreeView * tree_view,GtkTreeViewColumn * column,GtkTreePath * path,GtkCellEditable * cell_editable,GdkRectangle * cell_area,GdkEvent * event,guint flags)14869 gtk_tree_view_real_start_editing (GtkTreeView *tree_view,
14870 GtkTreeViewColumn *column,
14871 GtkTreePath *path,
14872 GtkCellEditable *cell_editable,
14873 GdkRectangle *cell_area,
14874 GdkEvent *event,
14875 guint flags)
14876 {
14877 gint pre_val = tree_view->priv->vadjustment->value;
14878 GtkRequisition requisition;
14879
14880 tree_view->priv->edited_column = column;
14881 _gtk_tree_view_column_start_editing (column, GTK_CELL_EDITABLE (cell_editable));
14882
14883 gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE);
14884 cell_area->y += pre_val - (int)tree_view->priv->vadjustment->value;
14885
14886 gtk_widget_size_request (GTK_WIDGET (cell_editable), &requisition);
14887
14888 GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_DRAW_KEYFOCUS);
14889
14890 if (requisition.height < cell_area->height)
14891 {
14892 gint diff = cell_area->height - requisition.height;
14893 gtk_tree_view_put (tree_view,
14894 GTK_WIDGET (cell_editable),
14895 cell_area->x, cell_area->y + diff/2,
14896 cell_area->width, requisition.height);
14897 }
14898 else
14899 {
14900 gtk_tree_view_put (tree_view,
14901 GTK_WIDGET (cell_editable),
14902 cell_area->x, cell_area->y,
14903 cell_area->width, cell_area->height);
14904 }
14905
14906 gtk_cell_editable_start_editing (GTK_CELL_EDITABLE (cell_editable),
14907 (GdkEvent *)event);
14908
14909 gtk_widget_grab_focus (GTK_WIDGET (cell_editable));
14910 g_signal_connect (cell_editable, "remove-widget",
14911 G_CALLBACK (gtk_tree_view_remove_widget), tree_view);
14912 }
14913
14914 static void
gtk_tree_view_stop_editing(GtkTreeView * tree_view,gboolean cancel_editing)14915 gtk_tree_view_stop_editing (GtkTreeView *tree_view,
14916 gboolean cancel_editing)
14917 {
14918 GtkTreeViewColumn *column;
14919 GtkCellRenderer *cell;
14920
14921 if (tree_view->priv->edited_column == NULL)
14922 return;
14923
14924 /*
14925 * This is very evil. We need to do this, because
14926 * gtk_cell_editable_editing_done may trigger gtk_tree_view_row_changed
14927 * later on. If gtk_tree_view_row_changed notices
14928 * tree_view->priv->edited_column != NULL, it'll call
14929 * gtk_tree_view_stop_editing again. Bad things will happen then.
14930 *
14931 * Please read that again if you intend to modify anything here.
14932 */
14933
14934 column = tree_view->priv->edited_column;
14935 tree_view->priv->edited_column = NULL;
14936
14937 cell = _gtk_tree_view_column_get_edited_cell (column);
14938 gtk_cell_renderer_stop_editing (cell, cancel_editing);
14939
14940 if (!cancel_editing)
14941 gtk_cell_editable_editing_done (column->editable_widget);
14942
14943 tree_view->priv->edited_column = column;
14944
14945 gtk_cell_editable_remove_widget (column->editable_widget);
14946 }
14947
14948
14949 /**
14950 * gtk_tree_view_set_hover_selection:
14951 * @tree_view: a #GtkTreeView
14952 * @hover: %TRUE to enable hover selection mode
14953 *
14954 * Enables of disables the hover selection mode of @tree_view.
14955 * Hover selection makes the selected row follow the pointer.
14956 * Currently, this works only for the selection modes
14957 * %GTK_SELECTION_SINGLE and %GTK_SELECTION_BROWSE.
14958 *
14959 * Since: 2.6
14960 **/
14961 void
gtk_tree_view_set_hover_selection(GtkTreeView * tree_view,gboolean hover)14962 gtk_tree_view_set_hover_selection (GtkTreeView *tree_view,
14963 gboolean hover)
14964 {
14965 hover = hover != FALSE;
14966
14967 if (hover != tree_view->priv->hover_selection)
14968 {
14969 tree_view->priv->hover_selection = hover;
14970
14971 g_object_notify (G_OBJECT (tree_view), "hover-selection");
14972 }
14973 }
14974
14975 /**
14976 * gtk_tree_view_get_hover_selection:
14977 * @tree_view: a #GtkTreeView
14978 *
14979 * Returns whether hover selection mode is turned on for @tree_view.
14980 *
14981 * Return value: %TRUE if @tree_view is in hover selection mode
14982 *
14983 * Since: 2.6
14984 **/
14985 gboolean
gtk_tree_view_get_hover_selection(GtkTreeView * tree_view)14986 gtk_tree_view_get_hover_selection (GtkTreeView *tree_view)
14987 {
14988 return tree_view->priv->hover_selection;
14989 }
14990
14991 /**
14992 * gtk_tree_view_set_hover_expand:
14993 * @tree_view: a #GtkTreeView
14994 * @expand: %TRUE to enable hover selection mode
14995 *
14996 * Enables of disables the hover expansion mode of @tree_view.
14997 * Hover expansion makes rows expand or collapse if the pointer
14998 * moves over them.
14999 *
15000 * Since: 2.6
15001 **/
15002 void
gtk_tree_view_set_hover_expand(GtkTreeView * tree_view,gboolean expand)15003 gtk_tree_view_set_hover_expand (GtkTreeView *tree_view,
15004 gboolean expand)
15005 {
15006 expand = expand != FALSE;
15007
15008 if (expand != tree_view->priv->hover_expand)
15009 {
15010 tree_view->priv->hover_expand = expand;
15011
15012 g_object_notify (G_OBJECT (tree_view), "hover-expand");
15013 }
15014 }
15015
15016 /**
15017 * gtk_tree_view_get_hover_expand:
15018 * @tree_view: a #GtkTreeView
15019 *
15020 * Returns whether hover expansion mode is turned on for @tree_view.
15021 *
15022 * Return value: %TRUE if @tree_view is in hover expansion mode
15023 *
15024 * Since: 2.6
15025 **/
15026 gboolean
gtk_tree_view_get_hover_expand(GtkTreeView * tree_view)15027 gtk_tree_view_get_hover_expand (GtkTreeView *tree_view)
15028 {
15029 return tree_view->priv->hover_expand;
15030 }
15031
15032 /**
15033 * gtk_tree_view_set_rubber_banding:
15034 * @tree_view: a #GtkTreeView
15035 * @enable: %TRUE to enable rubber banding
15036 *
15037 * Enables or disables rubber banding in @tree_view. If the selection mode
15038 * is #GTK_SELECTION_MULTIPLE, rubber banding will allow the user to select
15039 * multiple rows by dragging the mouse.
15040 *
15041 * Since: 2.10
15042 **/
15043 void
gtk_tree_view_set_rubber_banding(GtkTreeView * tree_view,gboolean enable)15044 gtk_tree_view_set_rubber_banding (GtkTreeView *tree_view,
15045 gboolean enable)
15046 {
15047 enable = enable != FALSE;
15048
15049 if (enable != tree_view->priv->rubber_banding_enable)
15050 {
15051 tree_view->priv->rubber_banding_enable = enable;
15052
15053 g_object_notify (G_OBJECT (tree_view), "rubber-banding");
15054 }
15055 }
15056
15057 /**
15058 * gtk_tree_view_get_rubber_banding:
15059 * @tree_view: a #GtkTreeView
15060 *
15061 * Returns whether rubber banding is turned on for @tree_view. If the
15062 * selection mode is #GTK_SELECTION_MULTIPLE, rubber banding will allow the
15063 * user to select multiple rows by dragging the mouse.
15064 *
15065 * Return value: %TRUE if rubber banding in @tree_view is enabled.
15066 *
15067 * Since: 2.10
15068 **/
15069 gboolean
gtk_tree_view_get_rubber_banding(GtkTreeView * tree_view)15070 gtk_tree_view_get_rubber_banding (GtkTreeView *tree_view)
15071 {
15072 return tree_view->priv->rubber_banding_enable;
15073 }
15074
15075 /**
15076 * gtk_tree_view_is_rubber_banding_active:
15077 * @tree_view: a #GtkTreeView
15078 *
15079 * Returns whether a rubber banding operation is currently being done
15080 * in @tree_view.
15081 *
15082 * Return value: %TRUE if a rubber banding operation is currently being
15083 * done in @tree_view.
15084 *
15085 * Since: 2.12
15086 **/
15087 gboolean
gtk_tree_view_is_rubber_banding_active(GtkTreeView * tree_view)15088 gtk_tree_view_is_rubber_banding_active (GtkTreeView *tree_view)
15089 {
15090 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
15091
15092 if (tree_view->priv->rubber_banding_enable
15093 && tree_view->priv->rubber_band_status == RUBBER_BAND_ACTIVE)
15094 return TRUE;
15095
15096 return FALSE;
15097 }
15098
15099 /**
15100 * gtk_tree_view_get_row_separator_func:
15101 * @tree_view: a #GtkTreeView
15102 *
15103 * Returns the current row separator function.
15104 *
15105 * Return value: the current row separator function.
15106 *
15107 * Since: 2.6
15108 **/
15109 GtkTreeViewRowSeparatorFunc
gtk_tree_view_get_row_separator_func(GtkTreeView * tree_view)15110 gtk_tree_view_get_row_separator_func (GtkTreeView *tree_view)
15111 {
15112 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
15113
15114 return tree_view->priv->row_separator_func;
15115 }
15116
15117 /**
15118 * gtk_tree_view_set_row_separator_func:
15119 * @tree_view: a #GtkTreeView
15120 * @func: a #GtkTreeViewRowSeparatorFunc
15121 * @data: (allow-none): user data to pass to @func, or %NULL
15122 * @destroy: (allow-none): destroy notifier for @data, or %NULL
15123 *
15124 * Sets the row separator function, which is used to determine
15125 * whether a row should be drawn as a separator. If the row separator
15126 * function is %NULL, no separators are drawn. This is the default value.
15127 *
15128 * Since: 2.6
15129 **/
15130 void
gtk_tree_view_set_row_separator_func(GtkTreeView * tree_view,GtkTreeViewRowSeparatorFunc func,gpointer data,GDestroyNotify destroy)15131 gtk_tree_view_set_row_separator_func (GtkTreeView *tree_view,
15132 GtkTreeViewRowSeparatorFunc func,
15133 gpointer data,
15134 GDestroyNotify destroy)
15135 {
15136 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
15137
15138 if (tree_view->priv->row_separator_destroy)
15139 tree_view->priv->row_separator_destroy (tree_view->priv->row_separator_data);
15140
15141 tree_view->priv->row_separator_func = func;
15142 tree_view->priv->row_separator_data = data;
15143 tree_view->priv->row_separator_destroy = destroy;
15144
15145 /* Have the tree recalculate heights */
15146 _gtk_rbtree_mark_invalid (tree_view->priv->tree);
15147 gtk_widget_queue_resize (GTK_WIDGET (tree_view));
15148 }
15149
15150
15151 static void
gtk_tree_view_grab_notify(GtkWidget * widget,gboolean was_grabbed)15152 gtk_tree_view_grab_notify (GtkWidget *widget,
15153 gboolean was_grabbed)
15154 {
15155 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
15156
15157 tree_view->priv->in_grab = !was_grabbed;
15158
15159 if (!was_grabbed)
15160 {
15161 tree_view->priv->pressed_button = -1;
15162
15163 if (tree_view->priv->rubber_band_status)
15164 gtk_tree_view_stop_rubber_band (tree_view);
15165 }
15166 }
15167
15168 static void
gtk_tree_view_state_changed(GtkWidget * widget,GtkStateType previous_state)15169 gtk_tree_view_state_changed (GtkWidget *widget,
15170 GtkStateType previous_state)
15171 {
15172 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
15173
15174 if (gtk_widget_get_realized (widget))
15175 {
15176 gdk_window_set_back_pixmap (widget->window, NULL, FALSE);
15177 gdk_window_set_background (tree_view->priv->bin_window, &widget->style->base[widget->state]);
15178 }
15179
15180 gtk_widget_queue_draw (widget);
15181 }
15182
15183 /**
15184 * gtk_tree_view_get_grid_lines:
15185 * @tree_view: a #GtkTreeView
15186 *
15187 * Returns which grid lines are enabled in @tree_view.
15188 *
15189 * Return value: a #GtkTreeViewGridLines value indicating which grid lines
15190 * are enabled.
15191 *
15192 * Since: 2.10
15193 */
15194 GtkTreeViewGridLines
gtk_tree_view_get_grid_lines(GtkTreeView * tree_view)15195 gtk_tree_view_get_grid_lines (GtkTreeView *tree_view)
15196 {
15197 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), 0);
15198
15199 return tree_view->priv->grid_lines;
15200 }
15201
15202 /**
15203 * gtk_tree_view_set_grid_lines:
15204 * @tree_view: a #GtkTreeView
15205 * @grid_lines: a #GtkTreeViewGridLines value indicating which grid lines to
15206 * enable.
15207 *
15208 * Sets which grid lines to draw in @tree_view.
15209 *
15210 * Since: 2.10
15211 */
15212 void
gtk_tree_view_set_grid_lines(GtkTreeView * tree_view,GtkTreeViewGridLines grid_lines)15213 gtk_tree_view_set_grid_lines (GtkTreeView *tree_view,
15214 GtkTreeViewGridLines grid_lines)
15215 {
15216 GtkTreeViewPrivate *priv;
15217 GtkWidget *widget;
15218 GtkTreeViewGridLines old_grid_lines;
15219
15220 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
15221
15222 priv = tree_view->priv;
15223 widget = GTK_WIDGET (tree_view);
15224
15225 old_grid_lines = priv->grid_lines;
15226 priv->grid_lines = grid_lines;
15227
15228 if (gtk_widget_get_realized (widget))
15229 {
15230 if (grid_lines == GTK_TREE_VIEW_GRID_LINES_NONE &&
15231 priv->grid_line_width)
15232 {
15233 priv->grid_line_width = 0;
15234 }
15235
15236 if (grid_lines != GTK_TREE_VIEW_GRID_LINES_NONE &&
15237 !priv->grid_line_width)
15238 {
15239 gint8 *dash_list;
15240
15241 gtk_widget_style_get (widget,
15242 "grid-line-width", &priv->grid_line_width,
15243 "grid-line-pattern", (gchar *)&dash_list,
15244 NULL);
15245
15246 if (dash_list)
15247 {
15248 priv->grid_line_dashes[0] = dash_list[0];
15249 if (dash_list[0])
15250 priv->grid_line_dashes[1] = dash_list[1];
15251
15252 g_free (dash_list);
15253 }
15254 else
15255 {
15256 priv->grid_line_dashes[0] = 1;
15257 priv->grid_line_dashes[1] = 1;
15258 }
15259 }
15260 }
15261
15262 if (old_grid_lines != grid_lines)
15263 {
15264 gtk_widget_queue_draw (GTK_WIDGET (tree_view));
15265
15266 g_object_notify (G_OBJECT (tree_view), "enable-grid-lines");
15267 }
15268 }
15269
15270 /**
15271 * gtk_tree_view_get_enable_tree_lines:
15272 * @tree_view: a #GtkTreeView.
15273 *
15274 * Returns whether or not tree lines are drawn in @tree_view.
15275 *
15276 * Return value: %TRUE if tree lines are drawn in @tree_view, %FALSE
15277 * otherwise.
15278 *
15279 * Since: 2.10
15280 */
15281 gboolean
gtk_tree_view_get_enable_tree_lines(GtkTreeView * tree_view)15282 gtk_tree_view_get_enable_tree_lines (GtkTreeView *tree_view)
15283 {
15284 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
15285
15286 return tree_view->priv->tree_lines_enabled;
15287 }
15288
15289 /**
15290 * gtk_tree_view_set_enable_tree_lines:
15291 * @tree_view: a #GtkTreeView
15292 * @enabled: %TRUE to enable tree line drawing, %FALSE otherwise.
15293 *
15294 * Sets whether to draw lines interconnecting the expanders in @tree_view.
15295 * This does not have any visible effects for lists.
15296 *
15297 * Since: 2.10
15298 */
15299 void
gtk_tree_view_set_enable_tree_lines(GtkTreeView * tree_view,gboolean enabled)15300 gtk_tree_view_set_enable_tree_lines (GtkTreeView *tree_view,
15301 gboolean enabled)
15302 {
15303 GtkTreeViewPrivate *priv;
15304 GtkWidget *widget;
15305 gboolean was_enabled;
15306
15307 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
15308
15309 enabled = enabled != FALSE;
15310
15311 priv = tree_view->priv;
15312 widget = GTK_WIDGET (tree_view);
15313
15314 was_enabled = priv->tree_lines_enabled;
15315
15316 priv->tree_lines_enabled = enabled;
15317
15318 if (gtk_widget_get_realized (widget))
15319 {
15320 if (!enabled && priv->tree_line_width)
15321 {
15322 priv->tree_line_width = 0;
15323 }
15324
15325 if (enabled && !priv->tree_line_width)
15326 {
15327 gint8 *dash_list;
15328 gtk_widget_style_get (widget,
15329 "tree-line-width", &priv->tree_line_width,
15330 "tree-line-pattern", (gchar *)&dash_list,
15331 NULL);
15332
15333 if (dash_list)
15334 {
15335 priv->tree_line_dashes[0] = dash_list[0];
15336 if (dash_list[0])
15337 priv->tree_line_dashes[1] = dash_list[1];
15338
15339 g_free (dash_list);
15340 }
15341 else
15342 {
15343 priv->tree_line_dashes[0] = 1;
15344 priv->tree_line_dashes[1] = 1;
15345 }
15346 }
15347 }
15348
15349 if (was_enabled != enabled)
15350 {
15351 gtk_widget_queue_draw (GTK_WIDGET (tree_view));
15352
15353 g_object_notify (G_OBJECT (tree_view), "enable-tree-lines");
15354 }
15355 }
15356
15357
15358 /**
15359 * gtk_tree_view_set_show_expanders:
15360 * @tree_view: a #GtkTreeView
15361 * @enabled: %TRUE to enable expander drawing, %FALSE otherwise.
15362 *
15363 * Sets whether to draw and enable expanders and indent child rows in
15364 * @tree_view. When disabled there will be no expanders visible in trees
15365 * and there will be no way to expand and collapse rows by default. Also
15366 * note that hiding the expanders will disable the default indentation. You
15367 * can set a custom indentation in this case using
15368 * gtk_tree_view_set_level_indentation().
15369 * This does not have any visible effects for lists.
15370 *
15371 * Since: 2.12
15372 */
15373 void
gtk_tree_view_set_show_expanders(GtkTreeView * tree_view,gboolean enabled)15374 gtk_tree_view_set_show_expanders (GtkTreeView *tree_view,
15375 gboolean enabled)
15376 {
15377 gboolean was_enabled;
15378
15379 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
15380
15381 enabled = enabled != FALSE;
15382 was_enabled = GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS);
15383
15384 if (enabled)
15385 GTK_TREE_VIEW_SET_FLAG (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS);
15386 else
15387 GTK_TREE_VIEW_UNSET_FLAG (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS);
15388
15389 if (enabled != was_enabled)
15390 gtk_widget_queue_draw (GTK_WIDGET (tree_view));
15391 }
15392
15393 /**
15394 * gtk_tree_view_get_show_expanders:
15395 * @tree_view: a #GtkTreeView.
15396 *
15397 * Returns whether or not expanders are drawn in @tree_view.
15398 *
15399 * Return value: %TRUE if expanders are drawn in @tree_view, %FALSE
15400 * otherwise.
15401 *
15402 * Since: 2.12
15403 */
15404 gboolean
gtk_tree_view_get_show_expanders(GtkTreeView * tree_view)15405 gtk_tree_view_get_show_expanders (GtkTreeView *tree_view)
15406 {
15407 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
15408
15409 return GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS);
15410 }
15411
15412 /**
15413 * gtk_tree_view_set_level_indentation:
15414 * @tree_view: a #GtkTreeView
15415 * @indentation: the amount, in pixels, of extra indentation in @tree_view.
15416 *
15417 * Sets the amount of extra indentation for child levels to use in @tree_view
15418 * in addition to the default indentation. The value should be specified in
15419 * pixels, a value of 0 disables this feature and in this case only the default
15420 * indentation will be used.
15421 * This does not have any visible effects for lists.
15422 *
15423 * Since: 2.12
15424 */
15425 void
gtk_tree_view_set_level_indentation(GtkTreeView * tree_view,gint indentation)15426 gtk_tree_view_set_level_indentation (GtkTreeView *tree_view,
15427 gint indentation)
15428 {
15429 tree_view->priv->level_indentation = indentation;
15430
15431 gtk_widget_queue_draw (GTK_WIDGET (tree_view));
15432 }
15433
15434 /**
15435 * gtk_tree_view_get_level_indentation:
15436 * @tree_view: a #GtkTreeView.
15437 *
15438 * Returns the amount, in pixels, of extra indentation for child levels
15439 * in @tree_view.
15440 *
15441 * Return value: the amount of extra indentation for child levels in
15442 * @tree_view. A return value of 0 means that this feature is disabled.
15443 *
15444 * Since: 2.12
15445 */
15446 gint
gtk_tree_view_get_level_indentation(GtkTreeView * tree_view)15447 gtk_tree_view_get_level_indentation (GtkTreeView *tree_view)
15448 {
15449 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), 0);
15450
15451 return tree_view->priv->level_indentation;
15452 }
15453
15454 /**
15455 * gtk_tree_view_set_tooltip_row:
15456 * @tree_view: a #GtkTreeView
15457 * @tooltip: a #GtkTooltip
15458 * @path: a #GtkTreePath
15459 *
15460 * Sets the tip area of @tooltip to be the area covered by the row at @path.
15461 * See also gtk_tree_view_set_tooltip_column() for a simpler alternative.
15462 * See also gtk_tooltip_set_tip_area().
15463 *
15464 * Since: 2.12
15465 */
15466 void
gtk_tree_view_set_tooltip_row(GtkTreeView * tree_view,GtkTooltip * tooltip,GtkTreePath * path)15467 gtk_tree_view_set_tooltip_row (GtkTreeView *tree_view,
15468 GtkTooltip *tooltip,
15469 GtkTreePath *path)
15470 {
15471 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
15472 g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
15473
15474 gtk_tree_view_set_tooltip_cell (tree_view, tooltip, path, NULL, NULL);
15475 }
15476
15477 /**
15478 * gtk_tree_view_set_tooltip_cell:
15479 * @tree_view: a #GtkTreeView
15480 * @tooltip: a #GtkTooltip
15481 * @path: (allow-none): a #GtkTreePath or %NULL
15482 * @column: (allow-none): a #GtkTreeViewColumn or %NULL
15483 * @cell: (allow-none): a #GtkCellRenderer or %NULL
15484 *
15485 * Sets the tip area of @tooltip to the area @path, @column and @cell have
15486 * in common. For example if @path is %NULL and @column is set, the tip
15487 * area will be set to the full area covered by @column. See also
15488 * gtk_tooltip_set_tip_area().
15489 *
15490 * Note that if @path is not specified and @cell is set and part of a column
15491 * containing the expander, the tooltip might not show and hide at the correct
15492 * position. In such cases @path must be set to the current node under the
15493 * mouse cursor for this function to operate correctly.
15494 *
15495 * See also gtk_tree_view_set_tooltip_column() for a simpler alternative.
15496 *
15497 * Since: 2.12
15498 */
15499 void
gtk_tree_view_set_tooltip_cell(GtkTreeView * tree_view,GtkTooltip * tooltip,GtkTreePath * path,GtkTreeViewColumn * column,GtkCellRenderer * cell)15500 gtk_tree_view_set_tooltip_cell (GtkTreeView *tree_view,
15501 GtkTooltip *tooltip,
15502 GtkTreePath *path,
15503 GtkTreeViewColumn *column,
15504 GtkCellRenderer *cell)
15505 {
15506 GdkRectangle rect;
15507
15508 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
15509 g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
15510 g_return_if_fail (column == NULL || GTK_IS_TREE_VIEW_COLUMN (column));
15511 g_return_if_fail (cell == NULL || GTK_IS_CELL_RENDERER (cell));
15512
15513 /* Determine x values. */
15514 if (column && cell)
15515 {
15516 GdkRectangle tmp;
15517 gint start, width;
15518
15519 /* We always pass in path here, whether it is NULL or not.
15520 * For cells in expander columns path must be specified so that
15521 * we can correctly account for the indentation. This also means
15522 * that the tooltip is constrained vertically by the "Determine y
15523 * values" code below; this is not a real problem since cells actually
15524 * don't stretch vertically in constrast to columns.
15525 */
15526 gtk_tree_view_get_cell_area (tree_view, path, column, &tmp);
15527 gtk_tree_view_column_cell_get_position (column, cell, &start, &width);
15528
15529 gtk_tree_view_convert_bin_window_to_widget_coords (tree_view,
15530 tmp.x + start, 0,
15531 &rect.x, NULL);
15532 rect.width = width;
15533 }
15534 else if (column)
15535 {
15536 GdkRectangle tmp;
15537
15538 gtk_tree_view_get_background_area (tree_view, NULL, column, &tmp);
15539 gtk_tree_view_convert_bin_window_to_widget_coords (tree_view,
15540 tmp.x, 0,
15541 &rect.x, NULL);
15542 rect.width = tmp.width;
15543 }
15544 else
15545 {
15546 rect.x = 0;
15547 rect.width = GTK_WIDGET (tree_view)->allocation.width;
15548 }
15549
15550 /* Determine y values. */
15551 if (path)
15552 {
15553 GdkRectangle tmp;
15554
15555 gtk_tree_view_get_background_area (tree_view, path, NULL, &tmp);
15556 gtk_tree_view_convert_bin_window_to_widget_coords (tree_view,
15557 0, tmp.y,
15558 NULL, &rect.y);
15559 rect.height = tmp.height;
15560 }
15561 else
15562 {
15563 rect.y = 0;
15564 rect.height = tree_view->priv->vadjustment->page_size;
15565 }
15566
15567 gtk_tooltip_set_tip_area (tooltip, &rect);
15568 }
15569
15570 /**
15571 * gtk_tree_view_get_tooltip_context:
15572 * @tree_view: a #GtkTreeView
15573 * @x: (inout): the x coordinate (relative to widget coordinates)
15574 * @y: (inout): the y coordinate (relative to widget coordinates)
15575 * @keyboard_tip: whether this is a keyboard tooltip or not
15576 * @model: (out) (allow-none): a pointer to receive a #GtkTreeModel or %NULL
15577 * @path: (out) (allow-none): a pointer to receive a #GtkTreePath or %NULL
15578 * @iter: (out) (allow-none): a pointer to receive a #GtkTreeIter or %NULL
15579 *
15580 * This function is supposed to be used in a #GtkWidget::query-tooltip
15581 * signal handler for #GtkTreeView. The @x, @y and @keyboard_tip values
15582 * which are received in the signal handler, should be passed to this
15583 * function without modification.
15584 *
15585 * The return value indicates whether there is a tree view row at the given
15586 * coordinates (%TRUE) or not (%FALSE) for mouse tooltips. For keyboard
15587 * tooltips the row returned will be the cursor row. When %TRUE, then any of
15588 * @model, @path and @iter which have been provided will be set to point to
15589 * that row and the corresponding model. @x and @y will always be converted
15590 * to be relative to @tree_view's bin_window if @keyboard_tooltip is %FALSE.
15591 *
15592 * Return value: whether or not the given tooltip context points to a row.
15593 *
15594 * Since: 2.12
15595 */
15596 gboolean
gtk_tree_view_get_tooltip_context(GtkTreeView * tree_view,gint * x,gint * y,gboolean keyboard_tip,GtkTreeModel ** model,GtkTreePath ** path,GtkTreeIter * iter)15597 gtk_tree_view_get_tooltip_context (GtkTreeView *tree_view,
15598 gint *x,
15599 gint *y,
15600 gboolean keyboard_tip,
15601 GtkTreeModel **model,
15602 GtkTreePath **path,
15603 GtkTreeIter *iter)
15604 {
15605 GtkTreePath *tmppath = NULL;
15606
15607 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
15608 g_return_val_if_fail (x != NULL, FALSE);
15609 g_return_val_if_fail (y != NULL, FALSE);
15610
15611 if (keyboard_tip)
15612 {
15613 gtk_tree_view_get_cursor (tree_view, &tmppath, NULL);
15614
15615 if (!tmppath)
15616 return FALSE;
15617 }
15618 else
15619 {
15620 gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, *x, *y,
15621 x, y);
15622
15623 if (!gtk_tree_view_get_path_at_pos (tree_view, *x, *y,
15624 &tmppath, NULL, NULL, NULL))
15625 return FALSE;
15626 }
15627
15628 if (model)
15629 *model = gtk_tree_view_get_model (tree_view);
15630
15631 if (iter)
15632 gtk_tree_model_get_iter (gtk_tree_view_get_model (tree_view),
15633 iter, tmppath);
15634
15635 if (path)
15636 *path = tmppath;
15637 else
15638 gtk_tree_path_free (tmppath);
15639
15640 return TRUE;
15641 }
15642
15643 static gboolean
gtk_tree_view_set_tooltip_query_cb(GtkWidget * widget,gint x,gint y,gboolean keyboard_tip,GtkTooltip * tooltip,gpointer data)15644 gtk_tree_view_set_tooltip_query_cb (GtkWidget *widget,
15645 gint x,
15646 gint y,
15647 gboolean keyboard_tip,
15648 GtkTooltip *tooltip,
15649 gpointer data)
15650 {
15651 GValue value = { 0, };
15652 GValue transformed = { 0, };
15653 GtkTreeIter iter;
15654 GtkTreePath *path;
15655 GtkTreeModel *model;
15656 GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
15657
15658 if (!gtk_tree_view_get_tooltip_context (GTK_TREE_VIEW (widget),
15659 &x, &y,
15660 keyboard_tip,
15661 &model, &path, &iter))
15662 return FALSE;
15663
15664 gtk_tree_model_get_value (model, &iter,
15665 tree_view->priv->tooltip_column, &value);
15666
15667 g_value_init (&transformed, G_TYPE_STRING);
15668
15669 if (!g_value_transform (&value, &transformed))
15670 {
15671 g_value_unset (&value);
15672 gtk_tree_path_free (path);
15673
15674 return FALSE;
15675 }
15676
15677 g_value_unset (&value);
15678
15679 if (!g_value_get_string (&transformed))
15680 {
15681 g_value_unset (&transformed);
15682 gtk_tree_path_free (path);
15683
15684 return FALSE;
15685 }
15686
15687 gtk_tooltip_set_markup (tooltip, g_value_get_string (&transformed));
15688 gtk_tree_view_set_tooltip_row (tree_view, tooltip, path);
15689
15690 gtk_tree_path_free (path);
15691 g_value_unset (&transformed);
15692
15693 return TRUE;
15694 }
15695
15696 /**
15697 * gtk_tree_view_set_tooltip_column:
15698 * @tree_view: a #GtkTreeView
15699 * @column: an integer, which is a valid column number for @tree_view's model
15700 *
15701 * If you only plan to have simple (text-only) tooltips on full rows, you
15702 * can use this function to have #GtkTreeView handle these automatically
15703 * for you. @column should be set to the column in @tree_view's model
15704 * containing the tooltip texts, or -1 to disable this feature.
15705 *
15706 * When enabled, #GtkWidget::has-tooltip will be set to %TRUE and
15707 * @tree_view will connect a #GtkWidget::query-tooltip signal handler.
15708 *
15709 * Note that the signal handler sets the text with gtk_tooltip_set_markup(),
15710 * so &, <, etc have to be escaped in the text.
15711 *
15712 * Since: 2.12
15713 */
15714 void
gtk_tree_view_set_tooltip_column(GtkTreeView * tree_view,gint column)15715 gtk_tree_view_set_tooltip_column (GtkTreeView *tree_view,
15716 gint column)
15717 {
15718 g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
15719
15720 if (column == tree_view->priv->tooltip_column)
15721 return;
15722
15723 if (column == -1)
15724 {
15725 g_signal_handlers_disconnect_by_func (tree_view,
15726 gtk_tree_view_set_tooltip_query_cb,
15727 NULL);
15728 gtk_widget_set_has_tooltip (GTK_WIDGET (tree_view), FALSE);
15729 }
15730 else
15731 {
15732 if (tree_view->priv->tooltip_column == -1)
15733 {
15734 g_signal_connect (tree_view, "query-tooltip",
15735 G_CALLBACK (gtk_tree_view_set_tooltip_query_cb), NULL);
15736 gtk_widget_set_has_tooltip (GTK_WIDGET (tree_view), TRUE);
15737 }
15738 }
15739
15740 tree_view->priv->tooltip_column = column;
15741 g_object_notify (G_OBJECT (tree_view), "tooltip-column");
15742 }
15743
15744 /**
15745 * gtk_tree_view_get_tooltip_column:
15746 * @tree_view: a #GtkTreeView
15747 *
15748 * Returns the column of @tree_view's model which is being used for
15749 * displaying tooltips on @tree_view's rows.
15750 *
15751 * Return value: the index of the tooltip column that is currently being
15752 * used, or -1 if this is disabled.
15753 *
15754 * Since: 2.12
15755 */
15756 gint
gtk_tree_view_get_tooltip_column(GtkTreeView * tree_view)15757 gtk_tree_view_get_tooltip_column (GtkTreeView *tree_view)
15758 {
15759 g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), 0);
15760
15761 return tree_view->priv->tooltip_column;
15762 }
15763
15764 #define __GTK_TREE_VIEW_C__
15765 #include "gtkaliasdef.c"
15766