1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball, Josh MacDonald,
3 * Copyright (C) 1997-1998 Jay Painter <jpaint@serv.net><jpaint@gimp.org>
4 *
5 * GtkCTree widget for GTK+
6 * Copyright (C) 1998 Lars Hamann and Stefan Jeske
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
22 */
23
24 /*
25 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
26 * file for a list of people on the GTK+ Team. See the ChangeLog
27 * files for a list of changes. These files are distributed with
28 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
29 */
30
31 #include "config.h"
32 #include <stdlib.h>
33
34 #undef GDK_DISABLE_DEPRECATED
35 #undef GTK_DISABLE_DEPRECATED
36 #define __GTK_CTREE_C__
37
38 #include "gtkctree.h"
39 #include "gtkbindings.h"
40 #include "gtkmain.h"
41 #include "gtkmarshalers.h"
42 #include "gtkdnd.h"
43 #include "gtkintl.h"
44 #include <gdk/gdkkeysyms.h>
45
46 #include "gtkalias.h"
47
48 #define PM_SIZE 8
49 #define TAB_SIZE (PM_SIZE + 6)
50 #define CELL_SPACING 1
51 #define CLIST_OPTIMUM_SIZE 64
52 #define COLUMN_INSET 3
53 #define DRAG_WIDTH 6
54
55 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
56 (((row) + 1) * CELL_SPACING) + \
57 (clist)->voffset)
58 #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
59 ((clist)->row_height + CELL_SPACING))
60 #define COLUMN_LEFT_XPIXEL(clist, col) ((clist)->column[(col)].area.x \
61 + (clist)->hoffset)
62 #define COLUMN_LEFT(clist, column) ((clist)->column[(column)].area.x)
63
64 static inline gint
COLUMN_FROM_XPIXEL(GtkCList * clist,gint x)65 COLUMN_FROM_XPIXEL (GtkCList * clist,
66 gint x)
67 {
68 gint i, cx;
69
70 for (i = 0; i < clist->columns; i++)
71 if (clist->column[i].visible)
72 {
73 cx = clist->column[i].area.x + clist->hoffset;
74
75 if (x >= (cx - (COLUMN_INSET + CELL_SPACING)) &&
76 x <= (cx + clist->column[i].area.width + COLUMN_INSET))
77 return i;
78 }
79
80 /* no match */
81 return -1;
82 }
83
84 #define CLIST_UNFROZEN(clist) (((GtkCList*) (clist))->freeze_count == 0)
85 #define CLIST_REFRESH(clist) G_STMT_START { \
86 if (CLIST_UNFROZEN (clist)) \
87 GTK_CLIST_GET_CLASS (clist)->refresh ((GtkCList*) (clist)); \
88 } G_STMT_END
89
90
91 enum {
92 ARG_0,
93 ARG_N_COLUMNS,
94 ARG_TREE_COLUMN,
95 ARG_INDENT,
96 ARG_SPACING,
97 ARG_SHOW_STUB,
98 ARG_LINE_STYLE,
99 ARG_EXPANDER_STYLE
100 };
101
102
103 static void gtk_ctree_class_init (GtkCTreeClass *klass);
104 static void gtk_ctree_init (GtkCTree *ctree);
105 static GObject* gtk_ctree_constructor (GType type,
106 guint n_construct_properties,
107 GObjectConstructParam *construct_params);
108 static void gtk_ctree_set_arg (GtkObject *object,
109 GtkArg *arg,
110 guint arg_id);
111 static void gtk_ctree_get_arg (GtkObject *object,
112 GtkArg *arg,
113 guint arg_id);
114 static void gtk_ctree_realize (GtkWidget *widget);
115 static void gtk_ctree_unrealize (GtkWidget *widget);
116 static gint gtk_ctree_button_press (GtkWidget *widget,
117 GdkEventButton *event);
118 static void ctree_attach_styles (GtkCTree *ctree,
119 GtkCTreeNode *node,
120 gpointer data);
121 static void ctree_detach_styles (GtkCTree *ctree,
122 GtkCTreeNode *node,
123 gpointer data);
124 static gint draw_cell_pixmap (GdkWindow *window,
125 GdkRectangle *clip_rectangle,
126 GdkGC *fg_gc,
127 GdkPixmap *pixmap,
128 GdkBitmap *mask,
129 gint x,
130 gint y,
131 gint width,
132 gint height);
133 static void get_cell_style (GtkCList *clist,
134 GtkCListRow *clist_row,
135 gint state,
136 gint column,
137 GtkStyle **style,
138 GdkGC **fg_gc,
139 GdkGC **bg_gc);
140 static gint gtk_ctree_draw_expander (GtkCTree *ctree,
141 GtkCTreeRow *ctree_row,
142 GtkStyle *style,
143 GdkRectangle *clip_rectangle,
144 gint x);
145 static gint gtk_ctree_draw_lines (GtkCTree *ctree,
146 GtkCTreeRow *ctree_row,
147 gint row,
148 gint column,
149 gint state,
150 GdkRectangle *clip_rectangle,
151 GdkRectangle *cell_rectangle,
152 GdkRectangle *crect,
153 GdkRectangle *area,
154 GtkStyle *style);
155 static void draw_row (GtkCList *clist,
156 GdkRectangle *area,
157 gint row,
158 GtkCListRow *clist_row);
159 static void draw_drag_highlight (GtkCList *clist,
160 GtkCListRow *dest_row,
161 gint dest_row_number,
162 GtkCListDragPos drag_pos);
163 static void tree_draw_node (GtkCTree *ctree,
164 GtkCTreeNode *node);
165 static void set_cell_contents (GtkCList *clist,
166 GtkCListRow *clist_row,
167 gint column,
168 GtkCellType type,
169 const gchar *text,
170 guint8 spacing,
171 GdkPixmap *pixmap,
172 GdkBitmap *mask);
173 static void set_node_info (GtkCTree *ctree,
174 GtkCTreeNode *node,
175 const gchar *text,
176 guint8 spacing,
177 GdkPixmap *pixmap_closed,
178 GdkBitmap *mask_closed,
179 GdkPixmap *pixmap_opened,
180 GdkBitmap *mask_opened,
181 gboolean is_leaf,
182 gboolean expanded);
183 static GtkCTreeRow *row_new (GtkCTree *ctree);
184 static void row_delete (GtkCTree *ctree,
185 GtkCTreeRow *ctree_row);
186 static void tree_delete (GtkCTree *ctree,
187 GtkCTreeNode *node,
188 gpointer data);
189 static void tree_delete_row (GtkCTree *ctree,
190 GtkCTreeNode *node,
191 gpointer data);
192 static void real_clear (GtkCList *clist);
193 static void tree_update_level (GtkCTree *ctree,
194 GtkCTreeNode *node,
195 gpointer data);
196 static void tree_select (GtkCTree *ctree,
197 GtkCTreeNode *node,
198 gpointer data);
199 static void tree_unselect (GtkCTree *ctree,
200 GtkCTreeNode *node,
201 gpointer data);
202 static void real_select_all (GtkCList *clist);
203 static void real_unselect_all (GtkCList *clist);
204 static void tree_expand (GtkCTree *ctree,
205 GtkCTreeNode *node,
206 gpointer data);
207 static void tree_collapse (GtkCTree *ctree,
208 GtkCTreeNode *node,
209 gpointer data);
210 static void tree_collapse_to_depth (GtkCTree *ctree,
211 GtkCTreeNode *node,
212 gint depth);
213 static void tree_toggle_expansion (GtkCTree *ctree,
214 GtkCTreeNode *node,
215 gpointer data);
216 static void change_focus_row_expansion (GtkCTree *ctree,
217 GtkCTreeExpansionType expansion);
218 static void real_select_row (GtkCList *clist,
219 gint row,
220 gint column,
221 GdkEvent *event);
222 static void real_unselect_row (GtkCList *clist,
223 gint row,
224 gint column,
225 GdkEvent *event);
226 static void real_tree_select (GtkCTree *ctree,
227 GtkCTreeNode *node,
228 gint column);
229 static void real_tree_unselect (GtkCTree *ctree,
230 GtkCTreeNode *node,
231 gint column);
232 static void real_tree_expand (GtkCTree *ctree,
233 GtkCTreeNode *node);
234 static void real_tree_collapse (GtkCTree *ctree,
235 GtkCTreeNode *node);
236 static void real_tree_move (GtkCTree *ctree,
237 GtkCTreeNode *node,
238 GtkCTreeNode *new_parent,
239 GtkCTreeNode *new_sibling);
240 static void real_row_move (GtkCList *clist,
241 gint source_row,
242 gint dest_row);
243 static void gtk_ctree_link (GtkCTree *ctree,
244 GtkCTreeNode *node,
245 GtkCTreeNode *parent,
246 GtkCTreeNode *sibling,
247 gboolean update_focus_row);
248 static void gtk_ctree_unlink (GtkCTree *ctree,
249 GtkCTreeNode *node,
250 gboolean update_focus_row);
251 static GtkCTreeNode * gtk_ctree_last_visible (GtkCTree *ctree,
252 GtkCTreeNode *node);
253 static gboolean ctree_is_hot_spot (GtkCTree *ctree,
254 GtkCTreeNode *node,
255 gint row,
256 gint x,
257 gint y);
258 static void tree_sort (GtkCTree *ctree,
259 GtkCTreeNode *node,
260 gpointer data);
261 static void fake_unselect_all (GtkCList *clist,
262 gint row);
263 static GList * selection_find (GtkCList *clist,
264 gint row_number,
265 GList *row_list_element);
266 static void resync_selection (GtkCList *clist,
267 GdkEvent *event);
268 static void real_undo_selection (GtkCList *clist);
269 static void select_row_recursive (GtkCTree *ctree,
270 GtkCTreeNode *node,
271 gpointer data);
272 static gint real_insert_row (GtkCList *clist,
273 gint row,
274 gchar *text[]);
275 static void real_remove_row (GtkCList *clist,
276 gint row);
277 static void real_sort_list (GtkCList *clist);
278 static void cell_size_request (GtkCList *clist,
279 GtkCListRow *clist_row,
280 gint column,
281 GtkRequisition *requisition);
282 static void column_auto_resize (GtkCList *clist,
283 GtkCListRow *clist_row,
284 gint column,
285 gint old_width);
286 static void auto_resize_columns (GtkCList *clist);
287
288
289 static gboolean check_drag (GtkCTree *ctree,
290 GtkCTreeNode *drag_source,
291 GtkCTreeNode *drag_target,
292 GtkCListDragPos insert_pos);
293 static void gtk_ctree_drag_begin (GtkWidget *widget,
294 GdkDragContext *context);
295 static gint gtk_ctree_drag_motion (GtkWidget *widget,
296 GdkDragContext *context,
297 gint x,
298 gint y,
299 guint time);
300 static void gtk_ctree_drag_data_received (GtkWidget *widget,
301 GdkDragContext *context,
302 gint x,
303 gint y,
304 GtkSelectionData *selection_data,
305 guint info,
306 guint32 time);
307 static void remove_grab (GtkCList *clist);
308 static void drag_dest_cell (GtkCList *clist,
309 gint x,
310 gint y,
311 GtkCListDestInfo *dest_info);
312
313
314 enum
315 {
316 TREE_SELECT_ROW,
317 TREE_UNSELECT_ROW,
318 TREE_EXPAND,
319 TREE_COLLAPSE,
320 TREE_MOVE,
321 CHANGE_FOCUS_ROW_EXPANSION,
322 LAST_SIGNAL
323 };
324
325 static GtkCListClass *parent_class = NULL;
326 static GtkContainerClass *container_class = NULL;
327 static guint ctree_signals[LAST_SIGNAL] = {0};
328
329
330 GtkType
gtk_ctree_get_type(void)331 gtk_ctree_get_type (void)
332 {
333 static GtkType ctree_type = 0;
334
335 if (!ctree_type)
336 {
337 static const GtkTypeInfo ctree_info =
338 {
339 "GtkCTree",
340 sizeof (GtkCTree),
341 sizeof (GtkCTreeClass),
342 (GtkClassInitFunc) gtk_ctree_class_init,
343 (GtkObjectInitFunc) gtk_ctree_init,
344 /* reserved_1 */ NULL,
345 /* reserved_2 */ NULL,
346 (GtkClassInitFunc) NULL,
347 };
348
349 I_("GtkCTree");
350 ctree_type = gtk_type_unique (GTK_TYPE_CLIST, &ctree_info);
351 }
352
353 return ctree_type;
354 }
355
356 static void
gtk_ctree_class_init(GtkCTreeClass * klass)357 gtk_ctree_class_init (GtkCTreeClass *klass)
358 {
359 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
360 GtkObjectClass *object_class;
361 GtkWidgetClass *widget_class;
362 GtkCListClass *clist_class;
363 GtkBindingSet *binding_set;
364
365 gobject_class->constructor = gtk_ctree_constructor;
366
367 object_class = (GtkObjectClass *) klass;
368 widget_class = (GtkWidgetClass *) klass;
369 container_class = (GtkContainerClass *) klass;
370 clist_class = (GtkCListClass *) klass;
371
372 parent_class = gtk_type_class (GTK_TYPE_CLIST);
373 container_class = gtk_type_class (GTK_TYPE_CONTAINER);
374
375 object_class->set_arg = gtk_ctree_set_arg;
376 object_class->get_arg = gtk_ctree_get_arg;
377
378 widget_class->realize = gtk_ctree_realize;
379 widget_class->unrealize = gtk_ctree_unrealize;
380 widget_class->button_press_event = gtk_ctree_button_press;
381
382 widget_class->drag_begin = gtk_ctree_drag_begin;
383 widget_class->drag_motion = gtk_ctree_drag_motion;
384 widget_class->drag_data_received = gtk_ctree_drag_data_received;
385
386 clist_class->select_row = real_select_row;
387 clist_class->unselect_row = real_unselect_row;
388 clist_class->row_move = real_row_move;
389 clist_class->undo_selection = real_undo_selection;
390 clist_class->resync_selection = resync_selection;
391 clist_class->selection_find = selection_find;
392 clist_class->click_column = NULL;
393 clist_class->draw_row = draw_row;
394 clist_class->draw_drag_highlight = draw_drag_highlight;
395 clist_class->clear = real_clear;
396 clist_class->select_all = real_select_all;
397 clist_class->unselect_all = real_unselect_all;
398 clist_class->fake_unselect_all = fake_unselect_all;
399 clist_class->insert_row = real_insert_row;
400 clist_class->remove_row = real_remove_row;
401 clist_class->sort_list = real_sort_list;
402 clist_class->set_cell_contents = set_cell_contents;
403 clist_class->cell_size_request = cell_size_request;
404
405 klass->tree_select_row = real_tree_select;
406 klass->tree_unselect_row = real_tree_unselect;
407 klass->tree_expand = real_tree_expand;
408 klass->tree_collapse = real_tree_collapse;
409 klass->tree_move = real_tree_move;
410 klass->change_focus_row_expansion = change_focus_row_expansion;
411
412 gtk_object_add_arg_type ("GtkCTree::n-columns", /* overrides GtkCList::n_columns!! */
413 GTK_TYPE_UINT,
414 GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT_ONLY | G_PARAM_STATIC_NAME,
415 ARG_N_COLUMNS);
416 gtk_object_add_arg_type ("GtkCTree::tree-column",
417 GTK_TYPE_UINT,
418 GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT_ONLY | G_PARAM_STATIC_NAME,
419 ARG_TREE_COLUMN);
420 gtk_object_add_arg_type ("GtkCTree::indent",
421 GTK_TYPE_UINT,
422 GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
423 ARG_INDENT);
424 gtk_object_add_arg_type ("GtkCTree::spacing",
425 GTK_TYPE_UINT,
426 GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
427 ARG_SPACING);
428 gtk_object_add_arg_type ("GtkCTree::show-stub",
429 GTK_TYPE_BOOL,
430 GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
431 ARG_SHOW_STUB);
432 gtk_object_add_arg_type ("GtkCTree::line-style",
433 GTK_TYPE_CTREE_LINE_STYLE,
434 GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
435 ARG_LINE_STYLE);
436 gtk_object_add_arg_type ("GtkCTree::expander-style",
437 GTK_TYPE_CTREE_EXPANDER_STYLE,
438 GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
439 ARG_EXPANDER_STYLE);
440
441 ctree_signals[TREE_SELECT_ROW] =
442 gtk_signal_new (I_("tree-select-row"),
443 GTK_RUN_FIRST,
444 GTK_CLASS_TYPE (object_class),
445 GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_select_row),
446 _gtk_marshal_VOID__POINTER_INT,
447 GTK_TYPE_NONE, 2,
448 GTK_TYPE_CTREE_NODE,
449 GTK_TYPE_INT);
450 ctree_signals[TREE_UNSELECT_ROW] =
451 gtk_signal_new (I_("tree-unselect-row"),
452 GTK_RUN_FIRST,
453 GTK_CLASS_TYPE (object_class),
454 GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_unselect_row),
455 _gtk_marshal_VOID__POINTER_INT,
456 GTK_TYPE_NONE, 2,
457 GTK_TYPE_CTREE_NODE,
458 GTK_TYPE_INT);
459 ctree_signals[TREE_EXPAND] =
460 gtk_signal_new (I_("tree-expand"),
461 GTK_RUN_LAST,
462 GTK_CLASS_TYPE (object_class),
463 GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_expand),
464 _gtk_marshal_VOID__POINTER,
465 GTK_TYPE_NONE, 1,
466 GTK_TYPE_CTREE_NODE);
467 ctree_signals[TREE_COLLAPSE] =
468 gtk_signal_new (I_("tree-collapse"),
469 GTK_RUN_LAST,
470 GTK_CLASS_TYPE (object_class),
471 GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_collapse),
472 _gtk_marshal_VOID__POINTER,
473 GTK_TYPE_NONE, 1,
474 GTK_TYPE_CTREE_NODE);
475 ctree_signals[TREE_MOVE] =
476 gtk_signal_new (I_("tree-move"),
477 GTK_RUN_LAST,
478 GTK_CLASS_TYPE (object_class),
479 GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_move),
480 _gtk_marshal_VOID__POINTER_POINTER_POINTER,
481 GTK_TYPE_NONE, 3,
482 GTK_TYPE_CTREE_NODE,
483 GTK_TYPE_CTREE_NODE,
484 GTK_TYPE_CTREE_NODE);
485 ctree_signals[CHANGE_FOCUS_ROW_EXPANSION] =
486 gtk_signal_new (I_("change-focus-row-expansion"),
487 GTK_RUN_LAST | GTK_RUN_ACTION,
488 GTK_CLASS_TYPE (object_class),
489 GTK_SIGNAL_OFFSET (GtkCTreeClass,
490 change_focus_row_expansion),
491 _gtk_marshal_VOID__ENUM,
492 GTK_TYPE_NONE, 1, GTK_TYPE_CTREE_EXPANSION_TYPE);
493
494 binding_set = gtk_binding_set_by_class (klass);
495 gtk_binding_entry_add_signal (binding_set,
496 GDK_plus, 0,
497 "change-focus-row-expansion", 1,
498 GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_EXPAND);
499 gtk_binding_entry_add_signal (binding_set,
500 GDK_plus, GDK_CONTROL_MASK,
501 "change-focus-row-expansion", 1,
502 GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_EXPAND_RECURSIVE);
503
504 gtk_binding_entry_add_signal (binding_set,
505 GDK_KP_Add, 0,
506 "change-focus-row-expansion", 1,
507 GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_EXPAND);
508 gtk_binding_entry_add_signal (binding_set,
509 GDK_KP_Add, GDK_CONTROL_MASK,
510 "change-focus-row-expansion", 1,
511 GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_EXPAND_RECURSIVE);
512
513 gtk_binding_entry_add_signal (binding_set,
514 GDK_minus, 0,
515 "change-focus-row-expansion", 1,
516 GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_COLLAPSE);
517 gtk_binding_entry_add_signal (binding_set,
518 GDK_minus, GDK_CONTROL_MASK,
519 "change-focus-row-expansion", 1,
520 GTK_TYPE_ENUM,
521 GTK_CTREE_EXPANSION_COLLAPSE_RECURSIVE);
522 gtk_binding_entry_add_signal (binding_set,
523 GDK_KP_Subtract, 0,
524 "change-focus-row-expansion", 1,
525 GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_COLLAPSE);
526 gtk_binding_entry_add_signal (binding_set,
527 GDK_KP_Subtract, GDK_CONTROL_MASK,
528 "change-focus-row-expansion", 1,
529 GTK_TYPE_ENUM,
530 GTK_CTREE_EXPANSION_COLLAPSE_RECURSIVE);
531 gtk_binding_entry_add_signal (binding_set,
532 GDK_equal, 0,
533 "change-focus-row-expansion", 1,
534 GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_TOGGLE);
535 gtk_binding_entry_add_signal (binding_set,
536 GDK_KP_Equal, 0,
537 "change-focus-row-expansion", 1,
538 GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_TOGGLE);
539 gtk_binding_entry_add_signal (binding_set,
540 GDK_KP_Multiply, 0,
541 "change-focus-row-expansion", 1,
542 GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_TOGGLE);
543 gtk_binding_entry_add_signal (binding_set,
544 GDK_asterisk, 0,
545 "change-focus-row-expansion", 1,
546 GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_TOGGLE);
547 gtk_binding_entry_add_signal (binding_set,
548 GDK_KP_Multiply, GDK_CONTROL_MASK,
549 "change-focus-row-expansion", 1,
550 GTK_TYPE_ENUM,
551 GTK_CTREE_EXPANSION_TOGGLE_RECURSIVE);
552 gtk_binding_entry_add_signal (binding_set,
553 GDK_asterisk, GDK_CONTROL_MASK,
554 "change-focus-row-expansion", 1,
555 GTK_TYPE_ENUM,
556 GTK_CTREE_EXPANSION_TOGGLE_RECURSIVE);
557 }
558
559 static void
gtk_ctree_set_arg(GtkObject * object,GtkArg * arg,guint arg_id)560 gtk_ctree_set_arg (GtkObject *object,
561 GtkArg *arg,
562 guint arg_id)
563 {
564 GtkCTree *ctree;
565 GtkCList *clist;
566
567 ctree = GTK_CTREE (object);
568 clist = GTK_CLIST (ctree);
569
570 switch (arg_id)
571 {
572 case ARG_N_COLUMNS: /* construct-only arg, only set at construction time */
573 clist->columns = MAX (1, GTK_VALUE_UINT (*arg));
574 ctree->tree_column = CLAMP (ctree->tree_column, 0, clist->columns);
575 break;
576 case ARG_TREE_COLUMN: /* construct-only arg, only set at construction time */
577 ctree->tree_column = GTK_VALUE_UINT (*arg);
578 ctree->tree_column = CLAMP (ctree->tree_column, 0, clist->columns);
579 break;
580 case ARG_INDENT:
581 gtk_ctree_set_indent (ctree, GTK_VALUE_UINT (*arg));
582 break;
583 case ARG_SPACING:
584 gtk_ctree_set_spacing (ctree, GTK_VALUE_UINT (*arg));
585 break;
586 case ARG_SHOW_STUB:
587 gtk_ctree_set_show_stub (ctree, GTK_VALUE_BOOL (*arg));
588 break;
589 case ARG_LINE_STYLE:
590 gtk_ctree_set_line_style (ctree, GTK_VALUE_ENUM (*arg));
591 break;
592 case ARG_EXPANDER_STYLE:
593 gtk_ctree_set_expander_style (ctree, GTK_VALUE_ENUM (*arg));
594 break;
595 default:
596 break;
597 }
598 }
599
600 static void
gtk_ctree_get_arg(GtkObject * object,GtkArg * arg,guint arg_id)601 gtk_ctree_get_arg (GtkObject *object,
602 GtkArg *arg,
603 guint arg_id)
604 {
605 GtkCTree *ctree;
606
607 ctree = GTK_CTREE (object);
608
609 switch (arg_id)
610 {
611 case ARG_N_COLUMNS:
612 GTK_VALUE_UINT (*arg) = GTK_CLIST (ctree)->columns;
613 break;
614 case ARG_TREE_COLUMN:
615 GTK_VALUE_UINT (*arg) = ctree->tree_column;
616 break;
617 case ARG_INDENT:
618 GTK_VALUE_UINT (*arg) = ctree->tree_indent;
619 break;
620 case ARG_SPACING:
621 GTK_VALUE_UINT (*arg) = ctree->tree_spacing;
622 break;
623 case ARG_SHOW_STUB:
624 GTK_VALUE_BOOL (*arg) = ctree->show_stub;
625 break;
626 case ARG_LINE_STYLE:
627 GTK_VALUE_ENUM (*arg) = ctree->line_style;
628 break;
629 case ARG_EXPANDER_STYLE:
630 GTK_VALUE_ENUM (*arg) = ctree->expander_style;
631 break;
632 default:
633 arg->type = GTK_TYPE_INVALID;
634 break;
635 }
636 }
637
638 static void
gtk_ctree_init(GtkCTree * ctree)639 gtk_ctree_init (GtkCTree *ctree)
640 {
641 GtkCList *clist;
642
643 GTK_CLIST_SET_FLAG (ctree, CLIST_DRAW_DRAG_RECT);
644 GTK_CLIST_SET_FLAG (ctree, CLIST_DRAW_DRAG_LINE);
645
646 clist = GTK_CLIST (ctree);
647
648 ctree->tree_indent = 20;
649 ctree->tree_spacing = 5;
650 ctree->tree_column = 0;
651 ctree->line_style = GTK_CTREE_LINES_SOLID;
652 ctree->expander_style = GTK_CTREE_EXPANDER_SQUARE;
653 ctree->drag_compare = NULL;
654 ctree->show_stub = TRUE;
655
656 clist->button_actions[0] |= GTK_BUTTON_EXPANDS;
657 }
658
659 static void
ctree_attach_styles(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)660 ctree_attach_styles (GtkCTree *ctree,
661 GtkCTreeNode *node,
662 gpointer data)
663 {
664 GtkCList *clist;
665 gint i;
666
667 clist = GTK_CLIST (ctree);
668
669 if (GTK_CTREE_ROW (node)->row.style)
670 GTK_CTREE_ROW (node)->row.style =
671 gtk_style_attach (GTK_CTREE_ROW (node)->row.style, clist->clist_window);
672
673 if (GTK_CTREE_ROW (node)->row.fg_set || GTK_CTREE_ROW (node)->row.bg_set)
674 {
675 GdkColormap *colormap;
676
677 colormap = gtk_widget_get_colormap (GTK_WIDGET (ctree));
678 if (GTK_CTREE_ROW (node)->row.fg_set)
679 gdk_colormap_alloc_color (colormap,
680 &(GTK_CTREE_ROW (node)->row.foreground),
681 FALSE, TRUE);
682 if (GTK_CTREE_ROW (node)->row.bg_set)
683 gdk_colormap_alloc_color (colormap,
684 &(GTK_CTREE_ROW (node)->row.background),
685 FALSE, TRUE);
686 }
687
688 for (i = 0; i < clist->columns; i++)
689 if (GTK_CTREE_ROW (node)->row.cell[i].style)
690 GTK_CTREE_ROW (node)->row.cell[i].style =
691 gtk_style_attach (GTK_CTREE_ROW (node)->row.cell[i].style,
692 clist->clist_window);
693 }
694
695 static void
ctree_detach_styles(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)696 ctree_detach_styles (GtkCTree *ctree,
697 GtkCTreeNode *node,
698 gpointer data)
699 {
700 GtkCList *clist;
701 gint i;
702
703 clist = GTK_CLIST (ctree);
704
705 if (GTK_CTREE_ROW (node)->row.style)
706 gtk_style_detach (GTK_CTREE_ROW (node)->row.style);
707 for (i = 0; i < clist->columns; i++)
708 if (GTK_CTREE_ROW (node)->row.cell[i].style)
709 gtk_style_detach (GTK_CTREE_ROW (node)->row.cell[i].style);
710 }
711
712 static void
gtk_ctree_realize(GtkWidget * widget)713 gtk_ctree_realize (GtkWidget *widget)
714 {
715 GtkCTree *ctree;
716 GtkCList *clist;
717 GdkGCValues values;
718 GtkCTreeNode *node;
719 GtkCTreeNode *child;
720 gint i;
721
722 g_return_if_fail (GTK_IS_CTREE (widget));
723
724 GTK_WIDGET_CLASS (parent_class)->realize (widget);
725
726 ctree = GTK_CTREE (widget);
727 clist = GTK_CLIST (widget);
728
729 node = GTK_CTREE_NODE (clist->row_list);
730 for (i = 0; i < clist->rows; i++)
731 {
732 if (GTK_CTREE_ROW (node)->children && !GTK_CTREE_ROW (node)->expanded)
733 for (child = GTK_CTREE_ROW (node)->children; child;
734 child = GTK_CTREE_ROW (child)->sibling)
735 gtk_ctree_pre_recursive (ctree, child, ctree_attach_styles, NULL);
736 node = GTK_CTREE_NODE_NEXT (node);
737 }
738
739 values.foreground = widget->style->fg[GTK_STATE_NORMAL];
740 values.background = widget->style->base[GTK_STATE_NORMAL];
741 values.subwindow_mode = GDK_INCLUDE_INFERIORS;
742 values.line_style = GDK_LINE_SOLID;
743 ctree->lines_gc = gdk_gc_new_with_values (GTK_CLIST(widget)->clist_window,
744 &values,
745 GDK_GC_FOREGROUND |
746 GDK_GC_BACKGROUND |
747 GDK_GC_SUBWINDOW |
748 GDK_GC_LINE_STYLE);
749
750 if (ctree->line_style == GTK_CTREE_LINES_DOTTED)
751 {
752 gint8 dashes[] = { 1, 1 };
753
754 gdk_gc_set_line_attributes (ctree->lines_gc, 1,
755 GDK_LINE_ON_OFF_DASH, GDK_CAP_BUTT, GDK_JOIN_MITER);
756 gdk_gc_set_dashes (ctree->lines_gc, 0, dashes, G_N_ELEMENTS (dashes));
757 }
758 }
759
760 static void
gtk_ctree_unrealize(GtkWidget * widget)761 gtk_ctree_unrealize (GtkWidget *widget)
762 {
763 GtkCTree *ctree;
764 GtkCList *clist;
765
766 g_return_if_fail (GTK_IS_CTREE (widget));
767
768 GTK_WIDGET_CLASS (parent_class)->unrealize (widget);
769
770 ctree = GTK_CTREE (widget);
771 clist = GTK_CLIST (widget);
772
773 if (gtk_widget_get_realized (widget))
774 {
775 GtkCTreeNode *node;
776 GtkCTreeNode *child;
777 gint i;
778
779 node = GTK_CTREE_NODE (clist->row_list);
780 for (i = 0; i < clist->rows; i++)
781 {
782 if (GTK_CTREE_ROW (node)->children &&
783 !GTK_CTREE_ROW (node)->expanded)
784 for (child = GTK_CTREE_ROW (node)->children; child;
785 child = GTK_CTREE_ROW (child)->sibling)
786 gtk_ctree_pre_recursive(ctree, child, ctree_detach_styles, NULL);
787 node = GTK_CTREE_NODE_NEXT (node);
788 }
789 }
790
791 g_object_unref (ctree->lines_gc);
792 }
793
794 static gint
gtk_ctree_button_press(GtkWidget * widget,GdkEventButton * event)795 gtk_ctree_button_press (GtkWidget *widget,
796 GdkEventButton *event)
797 {
798 GtkCTree *ctree;
799 GtkCList *clist;
800 gint button_actions;
801
802 g_return_val_if_fail (GTK_IS_CTREE (widget), FALSE);
803 g_return_val_if_fail (event != NULL, FALSE);
804
805 ctree = GTK_CTREE (widget);
806 clist = GTK_CLIST (widget);
807
808 button_actions = clist->button_actions[event->button - 1];
809
810 if (button_actions == GTK_BUTTON_IGNORED)
811 return FALSE;
812
813 if (event->window == clist->clist_window)
814 {
815 GtkCTreeNode *work;
816 gint x;
817 gint y;
818 gint row;
819 gint column;
820
821 x = event->x;
822 y = event->y;
823
824 if (!gtk_clist_get_selection_info (clist, x, y, &row, &column))
825 return FALSE;
826
827 work = GTK_CTREE_NODE (g_list_nth (clist->row_list, row));
828
829 if (button_actions & GTK_BUTTON_EXPANDS &&
830 (GTK_CTREE_ROW (work)->children && !GTK_CTREE_ROW (work)->is_leaf &&
831 (event->type == GDK_2BUTTON_PRESS ||
832 ctree_is_hot_spot (ctree, work, row, x, y))))
833 {
834 if (GTK_CTREE_ROW (work)->expanded)
835 gtk_ctree_collapse (ctree, work);
836 else
837 gtk_ctree_expand (ctree, work);
838
839 return TRUE;
840 }
841 }
842
843 return GTK_WIDGET_CLASS (parent_class)->button_press_event (widget, event);
844 }
845
846 static void
draw_drag_highlight(GtkCList * clist,GtkCListRow * dest_row,gint dest_row_number,GtkCListDragPos drag_pos)847 draw_drag_highlight (GtkCList *clist,
848 GtkCListRow *dest_row,
849 gint dest_row_number,
850 GtkCListDragPos drag_pos)
851 {
852 GtkCTree *ctree;
853 GdkPoint points[4];
854 gint level;
855 gint i;
856 gint y = 0;
857
858 g_return_if_fail (GTK_IS_CTREE (clist));
859
860 ctree = GTK_CTREE (clist);
861
862 level = ((GtkCTreeRow *)(dest_row))->level;
863
864 y = ROW_TOP_YPIXEL (clist, dest_row_number) - 1;
865
866 switch (drag_pos)
867 {
868 case GTK_CLIST_DRAG_NONE:
869 break;
870 case GTK_CLIST_DRAG_AFTER:
871 y += clist->row_height + 1;
872 case GTK_CLIST_DRAG_BEFORE:
873
874 if (clist->column[ctree->tree_column].visible)
875 switch (clist->column[ctree->tree_column].justification)
876 {
877 case GTK_JUSTIFY_CENTER:
878 case GTK_JUSTIFY_FILL:
879 case GTK_JUSTIFY_LEFT:
880 if (ctree->tree_column > 0)
881 gdk_draw_line (clist->clist_window, clist->xor_gc,
882 COLUMN_LEFT_XPIXEL(clist, 0), y,
883 COLUMN_LEFT_XPIXEL(clist, ctree->tree_column - 1)+
884 clist->column[ctree->tree_column - 1].area.width,
885 y);
886
887 gdk_draw_line (clist->clist_window, clist->xor_gc,
888 COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) +
889 ctree->tree_indent * level -
890 (ctree->tree_indent - PM_SIZE) / 2, y,
891 GTK_WIDGET (ctree)->allocation.width, y);
892 break;
893 case GTK_JUSTIFY_RIGHT:
894 if (ctree->tree_column < clist->columns - 1)
895 gdk_draw_line (clist->clist_window, clist->xor_gc,
896 COLUMN_LEFT_XPIXEL(clist, ctree->tree_column + 1),
897 y,
898 COLUMN_LEFT_XPIXEL(clist, clist->columns - 1) +
899 clist->column[clist->columns - 1].area.width, y);
900
901 gdk_draw_line (clist->clist_window, clist->xor_gc,
902 0, y, COLUMN_LEFT_XPIXEL(clist, ctree->tree_column)
903 + clist->column[ctree->tree_column].area.width -
904 ctree->tree_indent * level +
905 (ctree->tree_indent - PM_SIZE) / 2, y);
906 break;
907 }
908 else
909 gdk_draw_line (clist->clist_window, clist->xor_gc,
910 0, y, clist->clist_window_width, y);
911 break;
912 case GTK_CLIST_DRAG_INTO:
913 y = ROW_TOP_YPIXEL (clist, dest_row_number) + clist->row_height;
914
915 if (clist->column[ctree->tree_column].visible)
916 switch (clist->column[ctree->tree_column].justification)
917 {
918 case GTK_JUSTIFY_CENTER:
919 case GTK_JUSTIFY_FILL:
920 case GTK_JUSTIFY_LEFT:
921 points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) +
922 ctree->tree_indent * level - (ctree->tree_indent - PM_SIZE) / 2;
923 points[0].y = y;
924 points[3].x = points[0].x;
925 points[3].y = y - clist->row_height - 1;
926 points[1].x = clist->clist_window_width - 1;
927 points[1].y = points[0].y;
928 points[2].x = points[1].x;
929 points[2].y = points[3].y;
930
931 for (i = 0; i < 3; i++)
932 gdk_draw_line (clist->clist_window, clist->xor_gc,
933 points[i].x, points[i].y,
934 points[i+1].x, points[i+1].y);
935
936 if (ctree->tree_column > 0)
937 {
938 points[0].x = COLUMN_LEFT_XPIXEL(clist,
939 ctree->tree_column - 1) +
940 clist->column[ctree->tree_column - 1].area.width ;
941 points[0].y = y;
942 points[3].x = points[0].x;
943 points[3].y = y - clist->row_height - 1;
944 points[1].x = 0;
945 points[1].y = points[0].y;
946 points[2].x = 0;
947 points[2].y = points[3].y;
948
949 for (i = 0; i < 3; i++)
950 gdk_draw_line (clist->clist_window, clist->xor_gc,
951 points[i].x, points[i].y, points[i+1].x,
952 points[i+1].y);
953 }
954 break;
955 case GTK_JUSTIFY_RIGHT:
956 points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) -
957 ctree->tree_indent * level + (ctree->tree_indent - PM_SIZE) / 2 +
958 clist->column[ctree->tree_column].area.width;
959 points[0].y = y;
960 points[3].x = points[0].x;
961 points[3].y = y - clist->row_height - 1;
962 points[1].x = 0;
963 points[1].y = points[0].y;
964 points[2].x = 0;
965 points[2].y = points[3].y;
966
967 for (i = 0; i < 3; i++)
968 gdk_draw_line (clist->clist_window, clist->xor_gc,
969 points[i].x, points[i].y,
970 points[i+1].x, points[i+1].y);
971
972 if (ctree->tree_column < clist->columns - 1)
973 {
974 points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column +1);
975 points[0].y = y;
976 points[3].x = points[0].x;
977 points[3].y = y - clist->row_height - 1;
978 points[1].x = clist->clist_window_width - 1;
979 points[1].y = points[0].y;
980 points[2].x = points[1].x;
981 points[2].y = points[3].y;
982
983 for (i = 0; i < 3; i++)
984 gdk_draw_line (clist->clist_window, clist->xor_gc,
985 points[i].x, points[i].y,
986 points[i+1].x, points[i+1].y);
987 }
988 break;
989 }
990 else
991 gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE,
992 0, y - clist->row_height,
993 clist->clist_window_width - 1, clist->row_height);
994 break;
995 }
996 }
997
998 static gint
draw_cell_pixmap(GdkWindow * window,GdkRectangle * clip_rectangle,GdkGC * fg_gc,GdkPixmap * pixmap,GdkBitmap * mask,gint x,gint y,gint width,gint height)999 draw_cell_pixmap (GdkWindow *window,
1000 GdkRectangle *clip_rectangle,
1001 GdkGC *fg_gc,
1002 GdkPixmap *pixmap,
1003 GdkBitmap *mask,
1004 gint x,
1005 gint y,
1006 gint width,
1007 gint height)
1008 {
1009 gint xsrc = 0;
1010 gint ysrc = 0;
1011
1012 if (mask)
1013 {
1014 gdk_gc_set_clip_mask (fg_gc, mask);
1015 gdk_gc_set_clip_origin (fg_gc, x, y);
1016 }
1017 if (x < clip_rectangle->x)
1018 {
1019 xsrc = clip_rectangle->x - x;
1020 width -= xsrc;
1021 x = clip_rectangle->x;
1022 }
1023 if (x + width > clip_rectangle->x + clip_rectangle->width)
1024 width = clip_rectangle->x + clip_rectangle->width - x;
1025
1026 if (y < clip_rectangle->y)
1027 {
1028 ysrc = clip_rectangle->y - y;
1029 height -= ysrc;
1030 y = clip_rectangle->y;
1031 }
1032 if (y + height > clip_rectangle->y + clip_rectangle->height)
1033 height = clip_rectangle->y + clip_rectangle->height - y;
1034
1035 if (width > 0 && height > 0)
1036 gdk_draw_drawable (window, fg_gc, pixmap, xsrc, ysrc, x, y, width, height);
1037
1038 if (mask)
1039 {
1040 gdk_gc_set_clip_rectangle (fg_gc, NULL);
1041 gdk_gc_set_clip_origin (fg_gc, 0, 0);
1042 }
1043
1044 return x + MAX (width, 0);
1045 }
1046
1047 static void
get_cell_style(GtkCList * clist,GtkCListRow * clist_row,gint state,gint column,GtkStyle ** style,GdkGC ** fg_gc,GdkGC ** bg_gc)1048 get_cell_style (GtkCList *clist,
1049 GtkCListRow *clist_row,
1050 gint state,
1051 gint column,
1052 GtkStyle **style,
1053 GdkGC **fg_gc,
1054 GdkGC **bg_gc)
1055 {
1056 gint fg_state;
1057
1058 if ((state == GTK_STATE_NORMAL) &&
1059 (GTK_WIDGET (clist)->state == GTK_STATE_INSENSITIVE))
1060 fg_state = GTK_STATE_INSENSITIVE;
1061 else
1062 fg_state = state;
1063
1064 if (clist_row->cell[column].style)
1065 {
1066 if (style)
1067 *style = clist_row->cell[column].style;
1068 if (fg_gc)
1069 *fg_gc = clist_row->cell[column].style->fg_gc[fg_state];
1070 if (bg_gc) {
1071 if (state == GTK_STATE_SELECTED)
1072 *bg_gc = clist_row->cell[column].style->bg_gc[state];
1073 else
1074 *bg_gc = clist_row->cell[column].style->base_gc[state];
1075 }
1076 }
1077 else if (clist_row->style)
1078 {
1079 if (style)
1080 *style = clist_row->style;
1081 if (fg_gc)
1082 *fg_gc = clist_row->style->fg_gc[fg_state];
1083 if (bg_gc) {
1084 if (state == GTK_STATE_SELECTED)
1085 *bg_gc = clist_row->style->bg_gc[state];
1086 else
1087 *bg_gc = clist_row->style->base_gc[state];
1088 }
1089 }
1090 else
1091 {
1092 if (style)
1093 *style = GTK_WIDGET (clist)->style;
1094 if (fg_gc)
1095 *fg_gc = GTK_WIDGET (clist)->style->fg_gc[fg_state];
1096 if (bg_gc) {
1097 if (state == GTK_STATE_SELECTED)
1098 *bg_gc = GTK_WIDGET (clist)->style->bg_gc[state];
1099 else
1100 *bg_gc = GTK_WIDGET (clist)->style->base_gc[state];
1101 }
1102
1103 if (state != GTK_STATE_SELECTED)
1104 {
1105 if (fg_gc && clist_row->fg_set)
1106 *fg_gc = clist->fg_gc;
1107 if (bg_gc && clist_row->bg_set)
1108 *bg_gc = clist->bg_gc;
1109 }
1110 }
1111 }
1112
1113 static gint
gtk_ctree_draw_expander(GtkCTree * ctree,GtkCTreeRow * ctree_row,GtkStyle * style,GdkRectangle * clip_rectangle,gint x)1114 gtk_ctree_draw_expander (GtkCTree *ctree,
1115 GtkCTreeRow *ctree_row,
1116 GtkStyle *style,
1117 GdkRectangle *clip_rectangle,
1118 gint x)
1119 {
1120 GtkCList *clist;
1121 GdkPoint points[3];
1122 gint justification_factor;
1123 gint y;
1124
1125 if (ctree->expander_style == GTK_CTREE_EXPANDER_NONE)
1126 return x;
1127
1128 clist = GTK_CLIST (ctree);
1129 if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_RIGHT)
1130 justification_factor = -1;
1131 else
1132 justification_factor = 1;
1133 y = (clip_rectangle->y + (clip_rectangle->height - PM_SIZE) / 2 -
1134 (clip_rectangle->height + 1) % 2);
1135
1136 if (!ctree_row->children)
1137 {
1138 switch (ctree->expander_style)
1139 {
1140 case GTK_CTREE_EXPANDER_NONE:
1141 return x;
1142 case GTK_CTREE_EXPANDER_TRIANGLE:
1143 return x + justification_factor * (PM_SIZE + 3);
1144 case GTK_CTREE_EXPANDER_SQUARE:
1145 case GTK_CTREE_EXPANDER_CIRCULAR:
1146 return x + justification_factor * (PM_SIZE + 1);
1147 }
1148 }
1149
1150 gdk_gc_set_clip_rectangle (style->fg_gc[GTK_STATE_NORMAL], clip_rectangle);
1151 gdk_gc_set_clip_rectangle (style->base_gc[GTK_STATE_NORMAL], clip_rectangle);
1152
1153 switch (ctree->expander_style)
1154 {
1155 case GTK_CTREE_EXPANDER_NONE:
1156 break;
1157 case GTK_CTREE_EXPANDER_TRIANGLE:
1158 if (ctree_row->expanded)
1159 {
1160 points[0].x = x;
1161 points[0].y = y + (PM_SIZE + 2) / 6;
1162 points[1].x = points[0].x + justification_factor * (PM_SIZE + 2);
1163 points[1].y = points[0].y;
1164 points[2].x = (points[0].x +
1165 justification_factor * (PM_SIZE + 2) / 2);
1166 points[2].y = y + 2 * (PM_SIZE + 2) / 3;
1167 }
1168 else
1169 {
1170 points[0].x = x + justification_factor * ((PM_SIZE + 2) / 6 + 2);
1171 points[0].y = y - 1;
1172 points[1].x = points[0].x;
1173 points[1].y = points[0].y + (PM_SIZE + 2);
1174 points[2].x = (points[0].x +
1175 justification_factor * (2 * (PM_SIZE + 2) / 3 - 1));
1176 points[2].y = points[0].y + (PM_SIZE + 2) / 2;
1177 }
1178
1179 gdk_draw_polygon (clist->clist_window, style->base_gc[GTK_STATE_NORMAL],
1180 TRUE, points, 3);
1181 gdk_draw_polygon (clist->clist_window, style->fg_gc[GTK_STATE_NORMAL],
1182 FALSE, points, 3);
1183
1184 x += justification_factor * (PM_SIZE + 3);
1185 break;
1186 case GTK_CTREE_EXPANDER_SQUARE:
1187 case GTK_CTREE_EXPANDER_CIRCULAR:
1188 if (justification_factor == -1)
1189 x += justification_factor * (PM_SIZE + 1);
1190
1191 if (ctree->expander_style == GTK_CTREE_EXPANDER_CIRCULAR)
1192 {
1193 gdk_draw_arc (clist->clist_window, style->base_gc[GTK_STATE_NORMAL],
1194 TRUE, x, y, PM_SIZE, PM_SIZE, 0, 360 * 64);
1195 gdk_draw_arc (clist->clist_window, style->fg_gc[GTK_STATE_NORMAL],
1196 FALSE, x, y, PM_SIZE, PM_SIZE, 0, 360 * 64);
1197 }
1198 else
1199 {
1200 gdk_draw_rectangle (clist->clist_window,
1201 style->base_gc[GTK_STATE_NORMAL], TRUE,
1202 x, y, PM_SIZE, PM_SIZE);
1203 gdk_draw_rectangle (clist->clist_window,
1204 style->fg_gc[GTK_STATE_NORMAL], FALSE,
1205 x, y, PM_SIZE, PM_SIZE);
1206 }
1207
1208 gdk_draw_line (clist->clist_window, style->fg_gc[GTK_STATE_NORMAL],
1209 x + 2, y + PM_SIZE / 2, x + PM_SIZE - 2, y + PM_SIZE / 2);
1210
1211 if (!ctree_row->expanded)
1212 gdk_draw_line (clist->clist_window, style->fg_gc[GTK_STATE_NORMAL],
1213 x + PM_SIZE / 2, y + 2,
1214 x + PM_SIZE / 2, y + PM_SIZE - 2);
1215
1216 if (justification_factor == 1)
1217 x += justification_factor * (PM_SIZE + 1);
1218 break;
1219 }
1220
1221 gdk_gc_set_clip_rectangle (style->fg_gc[GTK_STATE_NORMAL], NULL);
1222 gdk_gc_set_clip_rectangle (style->base_gc[GTK_STATE_NORMAL], NULL);
1223
1224 return x;
1225 }
1226
1227
1228 static gint
gtk_ctree_draw_lines(GtkCTree * ctree,GtkCTreeRow * ctree_row,gint row,gint column,gint state,GdkRectangle * clip_rectangle,GdkRectangle * cell_rectangle,GdkRectangle * crect,GdkRectangle * area,GtkStyle * style)1229 gtk_ctree_draw_lines (GtkCTree *ctree,
1230 GtkCTreeRow *ctree_row,
1231 gint row,
1232 gint column,
1233 gint state,
1234 GdkRectangle *clip_rectangle,
1235 GdkRectangle *cell_rectangle,
1236 GdkRectangle *crect,
1237 GdkRectangle *area,
1238 GtkStyle *style)
1239 {
1240 GtkCList *clist;
1241 GtkCTreeNode *node;
1242 GtkCTreeNode *parent;
1243 GdkRectangle tree_rectangle;
1244 GdkRectangle tc_rectangle;
1245 GdkGC *bg_gc;
1246 gint offset;
1247 gint offset_x;
1248 gint offset_y;
1249 gint xcenter;
1250 gint ycenter;
1251 gint next_level;
1252 gint column_right;
1253 gint column_left;
1254 gint justify_right;
1255 gint justification_factor;
1256
1257 clist = GTK_CLIST (ctree);
1258 ycenter = clip_rectangle->y + (clip_rectangle->height / 2);
1259 justify_right = (clist->column[column].justification == GTK_JUSTIFY_RIGHT);
1260
1261 if (justify_right)
1262 {
1263 offset = (clip_rectangle->x + clip_rectangle->width - 1 -
1264 ctree->tree_indent * (ctree_row->level - 1));
1265 justification_factor = -1;
1266 }
1267 else
1268 {
1269 offset = clip_rectangle->x + ctree->tree_indent * (ctree_row->level - 1);
1270 justification_factor = 1;
1271 }
1272
1273 switch (ctree->line_style)
1274 {
1275 case GTK_CTREE_LINES_NONE:
1276 break;
1277 case GTK_CTREE_LINES_TABBED:
1278 xcenter = offset + justification_factor * TAB_SIZE;
1279
1280 column_right = (COLUMN_LEFT_XPIXEL (clist, ctree->tree_column) +
1281 clist->column[ctree->tree_column].area.width +
1282 COLUMN_INSET);
1283 column_left = (COLUMN_LEFT_XPIXEL (clist, ctree->tree_column) -
1284 COLUMN_INSET - CELL_SPACING);
1285
1286 if (area)
1287 {
1288 tree_rectangle.y = crect->y;
1289 tree_rectangle.height = crect->height;
1290
1291 if (justify_right)
1292 {
1293 tree_rectangle.x = xcenter;
1294 tree_rectangle.width = column_right - xcenter;
1295 }
1296 else
1297 {
1298 tree_rectangle.x = column_left;
1299 tree_rectangle.width = xcenter - column_left;
1300 }
1301
1302 if (!gdk_rectangle_intersect (area, &tree_rectangle, &tc_rectangle))
1303 {
1304 offset += justification_factor * 3;
1305 break;
1306 }
1307 }
1308
1309 gdk_gc_set_clip_rectangle (ctree->lines_gc, crect);
1310
1311 next_level = ctree_row->level;
1312
1313 if (!ctree_row->sibling || (ctree_row->children && ctree_row->expanded))
1314 {
1315 node = gtk_ctree_find_node_ptr (ctree, ctree_row);
1316 if (GTK_CTREE_NODE_NEXT (node))
1317 next_level = GTK_CTREE_ROW (GTK_CTREE_NODE_NEXT (node))->level;
1318 else
1319 next_level = 0;
1320 }
1321
1322 if (ctree->tree_indent > 0)
1323 {
1324 node = ctree_row->parent;
1325 while (node)
1326 {
1327 xcenter -= (justification_factor * ctree->tree_indent);
1328
1329 if ((justify_right && xcenter < column_left) ||
1330 (!justify_right && xcenter > column_right))
1331 {
1332 node = GTK_CTREE_ROW (node)->parent;
1333 continue;
1334 }
1335
1336 tree_rectangle.y = cell_rectangle->y;
1337 tree_rectangle.height = cell_rectangle->height;
1338 if (justify_right)
1339 {
1340 tree_rectangle.x = MAX (xcenter - ctree->tree_indent + 1,
1341 column_left);
1342 tree_rectangle.width = MIN (xcenter - column_left,
1343 ctree->tree_indent);
1344 }
1345 else
1346 {
1347 tree_rectangle.x = xcenter;
1348 tree_rectangle.width = MIN (column_right - xcenter,
1349 ctree->tree_indent);
1350 }
1351
1352 if (!area || gdk_rectangle_intersect (area, &tree_rectangle,
1353 &tc_rectangle))
1354 {
1355 get_cell_style (clist, >K_CTREE_ROW (node)->row,
1356 state, column, NULL, NULL, &bg_gc);
1357
1358 if (bg_gc == clist->bg_gc)
1359 gdk_gc_set_foreground
1360 (clist->bg_gc, >K_CTREE_ROW (node)->row.background);
1361
1362 if (!area)
1363 gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE,
1364 tree_rectangle.x,
1365 tree_rectangle.y,
1366 tree_rectangle.width,
1367 tree_rectangle.height);
1368 else
1369 gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE,
1370 tc_rectangle.x,
1371 tc_rectangle.y,
1372 tc_rectangle.width,
1373 tc_rectangle.height);
1374 }
1375 if (next_level > GTK_CTREE_ROW (node)->level)
1376 gdk_draw_line (clist->clist_window, ctree->lines_gc,
1377 xcenter, crect->y,
1378 xcenter, crect->y + crect->height);
1379 else
1380 {
1381 gint width;
1382
1383 offset_x = MIN (ctree->tree_indent, 2 * TAB_SIZE);
1384 width = offset_x / 2 + offset_x % 2;
1385
1386 parent = GTK_CTREE_ROW (node)->parent;
1387
1388 tree_rectangle.y = ycenter;
1389 tree_rectangle.height = (cell_rectangle->y - ycenter +
1390 cell_rectangle->height);
1391
1392 if (justify_right)
1393 {
1394 tree_rectangle.x = MAX(xcenter + 1 - width, column_left);
1395 tree_rectangle.width = MIN (xcenter + 1 - column_left,
1396 width);
1397 }
1398 else
1399 {
1400 tree_rectangle.x = xcenter;
1401 tree_rectangle.width = MIN (column_right - xcenter,
1402 width);
1403 }
1404
1405 if (!area ||
1406 gdk_rectangle_intersect (area, &tree_rectangle,
1407 &tc_rectangle))
1408 {
1409 if (parent)
1410 {
1411 get_cell_style (clist, >K_CTREE_ROW (parent)->row,
1412 state, column, NULL, NULL, &bg_gc);
1413 if (bg_gc == clist->bg_gc)
1414 gdk_gc_set_foreground
1415 (clist->bg_gc,
1416 >K_CTREE_ROW (parent)->row.background);
1417 }
1418 else if (state == GTK_STATE_SELECTED)
1419 bg_gc = style->base_gc[state];
1420 else
1421 bg_gc = GTK_WIDGET (clist)->style->base_gc[state];
1422
1423 if (!area)
1424 gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE,
1425 tree_rectangle.x,
1426 tree_rectangle.y,
1427 tree_rectangle.width,
1428 tree_rectangle.height);
1429 else
1430 gdk_draw_rectangle (clist->clist_window,
1431 bg_gc, TRUE,
1432 tc_rectangle.x,
1433 tc_rectangle.y,
1434 tc_rectangle.width,
1435 tc_rectangle.height);
1436 }
1437
1438 get_cell_style (clist, >K_CTREE_ROW (node)->row,
1439 state, column, NULL, NULL, &bg_gc);
1440 if (bg_gc == clist->bg_gc)
1441 gdk_gc_set_foreground
1442 (clist->bg_gc, >K_CTREE_ROW (node)->row.background);
1443
1444 gdk_gc_set_clip_rectangle (bg_gc, crect);
1445 gdk_draw_arc (clist->clist_window, bg_gc, TRUE,
1446 xcenter - (justify_right * offset_x),
1447 cell_rectangle->y,
1448 offset_x, clist->row_height,
1449 (180 + (justify_right * 90)) * 64, 90 * 64);
1450 gdk_gc_set_clip_rectangle (bg_gc, NULL);
1451
1452 gdk_draw_line (clist->clist_window, ctree->lines_gc,
1453 xcenter, cell_rectangle->y, xcenter, ycenter);
1454
1455 if (justify_right)
1456 gdk_draw_arc (clist->clist_window, ctree->lines_gc, FALSE,
1457 xcenter - offset_x, cell_rectangle->y,
1458 offset_x, clist->row_height,
1459 270 * 64, 90 * 64);
1460 else
1461 gdk_draw_arc (clist->clist_window, ctree->lines_gc, FALSE,
1462 xcenter, cell_rectangle->y,
1463 offset_x, clist->row_height,
1464 180 * 64, 90 * 64);
1465 }
1466 node = GTK_CTREE_ROW (node)->parent;
1467 }
1468 }
1469
1470 if (state != GTK_STATE_SELECTED)
1471 {
1472 tree_rectangle.y = clip_rectangle->y;
1473 tree_rectangle.height = clip_rectangle->height;
1474 tree_rectangle.width = COLUMN_INSET + CELL_SPACING +
1475 MIN (clist->column[ctree->tree_column].area.width + COLUMN_INSET,
1476 TAB_SIZE);
1477
1478 if (justify_right)
1479 tree_rectangle.x = MAX (xcenter + 1, column_left);
1480 else
1481 tree_rectangle.x = column_left;
1482
1483 if (!area)
1484 gdk_draw_rectangle (clist->clist_window,
1485 GTK_WIDGET
1486 (ctree)->style->base_gc[GTK_STATE_NORMAL],
1487 TRUE,
1488 tree_rectangle.x,
1489 tree_rectangle.y,
1490 tree_rectangle.width,
1491 tree_rectangle.height);
1492 else if (gdk_rectangle_intersect (area, &tree_rectangle,
1493 &tc_rectangle))
1494 gdk_draw_rectangle (clist->clist_window,
1495 GTK_WIDGET
1496 (ctree)->style->base_gc[GTK_STATE_NORMAL],
1497 TRUE,
1498 tc_rectangle.x,
1499 tc_rectangle.y,
1500 tc_rectangle.width,
1501 tc_rectangle.height);
1502 }
1503
1504 xcenter = offset + (justification_factor * ctree->tree_indent / 2);
1505
1506 get_cell_style (clist, &ctree_row->row, state, column, NULL, NULL,
1507 &bg_gc);
1508 if (bg_gc == clist->bg_gc)
1509 gdk_gc_set_foreground (clist->bg_gc, &ctree_row->row.background);
1510
1511 gdk_gc_set_clip_rectangle (bg_gc, crect);
1512 if (ctree_row->is_leaf)
1513 {
1514 GdkPoint points[6];
1515
1516 points[0].x = offset + justification_factor * TAB_SIZE;
1517 points[0].y = cell_rectangle->y;
1518
1519 points[1].x = points[0].x - justification_factor * 4;
1520 points[1].y = points[0].y;
1521
1522 points[2].x = points[1].x - justification_factor * 2;
1523 points[2].y = points[1].y + 3;
1524
1525 points[3].x = points[2].x;
1526 points[3].y = points[2].y + clist->row_height - 5;
1527
1528 points[4].x = points[3].x + justification_factor * 2;
1529 points[4].y = points[3].y + 3;
1530
1531 points[5].x = points[4].x + justification_factor * 4;
1532 points[5].y = points[4].y;
1533
1534 gdk_draw_polygon (clist->clist_window, bg_gc, TRUE, points, 6);
1535 gdk_draw_lines (clist->clist_window, ctree->lines_gc, points, 6);
1536 }
1537 else
1538 {
1539 gdk_draw_arc (clist->clist_window, bg_gc, TRUE,
1540 offset - (justify_right * 2 * TAB_SIZE),
1541 cell_rectangle->y,
1542 2 * TAB_SIZE, clist->row_height,
1543 (90 + (180 * justify_right)) * 64, 180 * 64);
1544 gdk_draw_arc (clist->clist_window, ctree->lines_gc, FALSE,
1545 offset - (justify_right * 2 * TAB_SIZE),
1546 cell_rectangle->y,
1547 2 * TAB_SIZE, clist->row_height,
1548 (90 + (180 * justify_right)) * 64, 180 * 64);
1549 }
1550 gdk_gc_set_clip_rectangle (bg_gc, NULL);
1551 gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL);
1552
1553 offset += justification_factor * 3;
1554 break;
1555 default:
1556 xcenter = offset + justification_factor * PM_SIZE / 2;
1557
1558 if (area)
1559 {
1560 tree_rectangle.y = crect->y;
1561 tree_rectangle.height = crect->height;
1562
1563 if (justify_right)
1564 {
1565 tree_rectangle.x = xcenter - PM_SIZE / 2 - 2;
1566 tree_rectangle.width = (clip_rectangle->x +
1567 clip_rectangle->width -tree_rectangle.x);
1568 }
1569 else
1570 {
1571 tree_rectangle.x = clip_rectangle->x + PM_SIZE / 2;
1572 tree_rectangle.width = (xcenter + PM_SIZE / 2 + 2 -
1573 clip_rectangle->x);
1574 }
1575
1576 if (!gdk_rectangle_intersect (area, &tree_rectangle, &tc_rectangle))
1577 break;
1578 }
1579
1580 offset_x = 1;
1581 offset_y = 0;
1582 if (ctree->line_style == GTK_CTREE_LINES_DOTTED)
1583 {
1584 offset_x += abs((clip_rectangle->x + clist->hoffset) % 2);
1585 offset_y = abs((cell_rectangle->y + clist->voffset) % 2);
1586 }
1587
1588 clip_rectangle->y--;
1589 clip_rectangle->height++;
1590 gdk_gc_set_clip_rectangle (ctree->lines_gc, clip_rectangle);
1591 gdk_draw_line (clist->clist_window, ctree->lines_gc,
1592 xcenter,
1593 (ctree->show_stub || clist->row_list->data != ctree_row) ?
1594 cell_rectangle->y + offset_y : ycenter,
1595 xcenter,
1596 (ctree_row->sibling) ? crect->y +crect->height : ycenter);
1597
1598 gdk_draw_line (clist->clist_window, ctree->lines_gc,
1599 xcenter + (justification_factor * offset_x), ycenter,
1600 xcenter + (justification_factor * (PM_SIZE / 2 + 2)),
1601 ycenter);
1602
1603 node = ctree_row->parent;
1604 while (node)
1605 {
1606 xcenter -= (justification_factor * ctree->tree_indent);
1607
1608 if (GTK_CTREE_ROW (node)->sibling)
1609 gdk_draw_line (clist->clist_window, ctree->lines_gc,
1610 xcenter, cell_rectangle->y + offset_y,
1611 xcenter, crect->y + crect->height);
1612 node = GTK_CTREE_ROW (node)->parent;
1613 }
1614 gdk_gc_set_clip_rectangle (ctree->lines_gc, NULL);
1615 clip_rectangle->y++;
1616 clip_rectangle->height--;
1617 break;
1618 }
1619 return offset;
1620 }
1621
1622 static void
draw_row(GtkCList * clist,GdkRectangle * area,gint row,GtkCListRow * clist_row)1623 draw_row (GtkCList *clist,
1624 GdkRectangle *area,
1625 gint row,
1626 GtkCListRow *clist_row)
1627 {
1628 GtkWidget *widget;
1629 GtkCTree *ctree;
1630 GdkRectangle *crect;
1631 GdkRectangle row_rectangle;
1632 GdkRectangle cell_rectangle;
1633 GdkRectangle clip_rectangle;
1634 GdkRectangle intersect_rectangle;
1635 gint last_column;
1636 gint column_left = 0;
1637 gint column_right = 0;
1638 gint offset = 0;
1639 gint state;
1640 gint i;
1641
1642 g_return_if_fail (clist != NULL);
1643
1644 /* bail now if we arn't drawable yet */
1645 if (!GTK_WIDGET_DRAWABLE (clist) || row < 0 || row >= clist->rows)
1646 return;
1647
1648 widget = GTK_WIDGET (clist);
1649 ctree = GTK_CTREE (clist);
1650
1651 /* if the function is passed the pointer to the row instead of null,
1652 * it avoids this expensive lookup */
1653 if (!clist_row)
1654 clist_row = (g_list_nth (clist->row_list, row))->data;
1655
1656 /* rectangle of the entire row */
1657 row_rectangle.x = 0;
1658 row_rectangle.y = ROW_TOP_YPIXEL (clist, row);
1659 row_rectangle.width = clist->clist_window_width;
1660 row_rectangle.height = clist->row_height;
1661
1662 /* rectangle of the cell spacing above the row */
1663 cell_rectangle.x = 0;
1664 cell_rectangle.y = row_rectangle.y - CELL_SPACING;
1665 cell_rectangle.width = row_rectangle.width;
1666 cell_rectangle.height = CELL_SPACING;
1667
1668 /* rectangle used to clip drawing operations, its y and height
1669 * positions only need to be set once, so we set them once here.
1670 * the x and width are set withing the drawing loop below once per
1671 * column */
1672 clip_rectangle.y = row_rectangle.y;
1673 clip_rectangle.height = row_rectangle.height;
1674
1675 if (clist_row->state == GTK_STATE_NORMAL)
1676 {
1677 if (clist_row->fg_set)
1678 gdk_gc_set_foreground (clist->fg_gc, &clist_row->foreground);
1679 if (clist_row->bg_set)
1680 gdk_gc_set_foreground (clist->bg_gc, &clist_row->background);
1681 }
1682
1683 state = clist_row->state;
1684
1685 gdk_gc_set_foreground (ctree->lines_gc,
1686 &widget->style->fg[clist_row->state]);
1687
1688 /* draw the cell borders */
1689 if (area)
1690 {
1691 crect = &intersect_rectangle;
1692
1693 if (gdk_rectangle_intersect (area, &cell_rectangle, crect))
1694 gdk_draw_rectangle (clist->clist_window,
1695 widget->style->base_gc[GTK_STATE_NORMAL], TRUE,
1696 crect->x, crect->y, crect->width, crect->height);
1697 }
1698 else
1699 {
1700 crect = &cell_rectangle;
1701
1702 gdk_draw_rectangle (clist->clist_window,
1703 widget->style->base_gc[GTK_STATE_NORMAL], TRUE,
1704 crect->x, crect->y, crect->width, crect->height);
1705 }
1706
1707 /* horizontal black lines */
1708 if (ctree->line_style == GTK_CTREE_LINES_TABBED)
1709 {
1710
1711 column_right = (COLUMN_LEFT_XPIXEL (clist, ctree->tree_column) +
1712 clist->column[ctree->tree_column].area.width +
1713 COLUMN_INSET);
1714 column_left = (COLUMN_LEFT_XPIXEL (clist, ctree->tree_column) -
1715 COLUMN_INSET - (ctree->tree_column != 0) * CELL_SPACING);
1716
1717 switch (clist->column[ctree->tree_column].justification)
1718 {
1719 case GTK_JUSTIFY_CENTER:
1720 case GTK_JUSTIFY_FILL:
1721 case GTK_JUSTIFY_LEFT:
1722 offset = (column_left + ctree->tree_indent *
1723 (((GtkCTreeRow *)clist_row)->level - 1));
1724
1725 gdk_draw_line (clist->clist_window, ctree->lines_gc,
1726 MIN (offset + TAB_SIZE, column_right),
1727 cell_rectangle.y,
1728 clist->clist_window_width, cell_rectangle.y);
1729 break;
1730 case GTK_JUSTIFY_RIGHT:
1731 offset = (column_right - 1 - ctree->tree_indent *
1732 (((GtkCTreeRow *)clist_row)->level - 1));
1733
1734 gdk_draw_line (clist->clist_window, ctree->lines_gc,
1735 -1, cell_rectangle.y,
1736 MAX (offset - TAB_SIZE, column_left),
1737 cell_rectangle.y);
1738 break;
1739 }
1740 }
1741
1742 /* the last row has to clear its bottom cell spacing too */
1743 if (clist_row == clist->row_list_end->data)
1744 {
1745 cell_rectangle.y += clist->row_height + CELL_SPACING;
1746
1747 if (!area || gdk_rectangle_intersect (area, &cell_rectangle, crect))
1748 {
1749 gdk_draw_rectangle (clist->clist_window,
1750 widget->style->base_gc[GTK_STATE_NORMAL], TRUE,
1751 crect->x, crect->y, crect->width, crect->height);
1752
1753 /* horizontal black lines */
1754 if (ctree->line_style == GTK_CTREE_LINES_TABBED)
1755 {
1756 switch (clist->column[ctree->tree_column].justification)
1757 {
1758 case GTK_JUSTIFY_CENTER:
1759 case GTK_JUSTIFY_FILL:
1760 case GTK_JUSTIFY_LEFT:
1761 gdk_draw_line (clist->clist_window, ctree->lines_gc,
1762 MIN (column_left + TAB_SIZE + COLUMN_INSET +
1763 (((GtkCTreeRow *)clist_row)->level > 1) *
1764 MIN (ctree->tree_indent / 2, TAB_SIZE),
1765 column_right),
1766 cell_rectangle.y,
1767 clist->clist_window_width, cell_rectangle.y);
1768 break;
1769 case GTK_JUSTIFY_RIGHT:
1770 gdk_draw_line (clist->clist_window, ctree->lines_gc,
1771 -1, cell_rectangle.y,
1772 MAX (column_right - TAB_SIZE - 1 -
1773 COLUMN_INSET -
1774 (((GtkCTreeRow *)clist_row)->level > 1) *
1775 MIN (ctree->tree_indent / 2, TAB_SIZE),
1776 column_left - 1), cell_rectangle.y);
1777 break;
1778 }
1779 }
1780 }
1781 }
1782
1783 for (last_column = clist->columns - 1;
1784 last_column >= 0 && !clist->column[last_column].visible; last_column--)
1785 ;
1786
1787 /* iterate and draw all the columns (row cells) and draw their contents */
1788 for (i = 0; i < clist->columns; i++)
1789 {
1790 GtkStyle *style;
1791 GdkGC *fg_gc;
1792 GdkGC *bg_gc;
1793 PangoLayout *layout = NULL;
1794 PangoRectangle logical_rect;
1795
1796 gint width;
1797 gint height;
1798 gint pixmap_width;
1799 gint string_width;
1800 gint old_offset;
1801
1802 if (!clist->column[i].visible)
1803 continue;
1804
1805 get_cell_style (clist, clist_row, state, i, &style, &fg_gc, &bg_gc);
1806
1807 /* calculate clipping region */
1808 clip_rectangle.x = clist->column[i].area.x + clist->hoffset;
1809 clip_rectangle.width = clist->column[i].area.width;
1810
1811 cell_rectangle.x = clip_rectangle.x - COLUMN_INSET - CELL_SPACING;
1812 cell_rectangle.width = (clip_rectangle.width + 2 * COLUMN_INSET +
1813 (1 + (i == last_column)) * CELL_SPACING);
1814 cell_rectangle.y = clip_rectangle.y;
1815 cell_rectangle.height = clip_rectangle.height;
1816
1817 string_width = 0;
1818 pixmap_width = 0;
1819
1820 if (area && !gdk_rectangle_intersect (area, &cell_rectangle,
1821 &intersect_rectangle))
1822 {
1823 if (i != ctree->tree_column)
1824 continue;
1825 }
1826 else
1827 {
1828 gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE,
1829 crect->x, crect->y, crect->width, crect->height);
1830
1831
1832 layout = _gtk_clist_create_cell_layout (clist, clist_row, i);
1833 if (layout)
1834 {
1835 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
1836 width = logical_rect.width;
1837 }
1838 else
1839 width = 0;
1840
1841 switch (clist_row->cell[i].type)
1842 {
1843 case GTK_CELL_PIXMAP:
1844 gdk_drawable_get_size
1845 (GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap, &pixmap_width,
1846 &height);
1847 width += pixmap_width;
1848 break;
1849 case GTK_CELL_PIXTEXT:
1850 if (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap)
1851 {
1852 gdk_drawable_get_size
1853 (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap,
1854 &pixmap_width, &height);
1855 width += pixmap_width;
1856 }
1857
1858 if (GTK_CELL_PIXTEXT (clist_row->cell[i])->text &&
1859 GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap)
1860 width += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
1861
1862 if (i == ctree->tree_column)
1863 width += (ctree->tree_indent *
1864 ((GtkCTreeRow *)clist_row)->level);
1865 break;
1866 default:
1867 break;
1868 }
1869
1870 switch (clist->column[i].justification)
1871 {
1872 case GTK_JUSTIFY_LEFT:
1873 offset = clip_rectangle.x + clist_row->cell[i].horizontal;
1874 break;
1875 case GTK_JUSTIFY_RIGHT:
1876 offset = (clip_rectangle.x + clist_row->cell[i].horizontal +
1877 clip_rectangle.width - width);
1878 break;
1879 case GTK_JUSTIFY_CENTER:
1880 case GTK_JUSTIFY_FILL:
1881 offset = (clip_rectangle.x + clist_row->cell[i].horizontal +
1882 (clip_rectangle.width / 2) - (width / 2));
1883 break;
1884 };
1885
1886 if (i != ctree->tree_column)
1887 {
1888 offset += clist_row->cell[i].horizontal;
1889 switch (clist_row->cell[i].type)
1890 {
1891 case GTK_CELL_PIXMAP:
1892 draw_cell_pixmap
1893 (clist->clist_window, &clip_rectangle, fg_gc,
1894 GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap,
1895 GTK_CELL_PIXMAP (clist_row->cell[i])->mask,
1896 offset,
1897 clip_rectangle.y + clist_row->cell[i].vertical +
1898 (clip_rectangle.height - height) / 2,
1899 pixmap_width, height);
1900 break;
1901 case GTK_CELL_PIXTEXT:
1902 offset = draw_cell_pixmap
1903 (clist->clist_window, &clip_rectangle, fg_gc,
1904 GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap,
1905 GTK_CELL_PIXTEXT (clist_row->cell[i])->mask,
1906 offset,
1907 clip_rectangle.y + clist_row->cell[i].vertical +
1908 (clip_rectangle.height - height) / 2,
1909 pixmap_width, height);
1910 offset += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
1911
1912 /* Fall through */
1913 case GTK_CELL_TEXT:
1914 if (layout)
1915 {
1916 gint row_center_offset = (clist->row_height - logical_rect.height) / 2;
1917
1918 gdk_gc_set_clip_rectangle (fg_gc, &clip_rectangle);
1919 gdk_draw_layout (clist->clist_window, fg_gc,
1920 offset,
1921 row_rectangle.y + row_center_offset + clist_row->cell[i].vertical,
1922 layout);
1923 gdk_gc_set_clip_rectangle (fg_gc, NULL);
1924 g_object_unref (G_OBJECT (layout));
1925 }
1926 break;
1927 default:
1928 break;
1929 }
1930 continue;
1931 }
1932 }
1933
1934 if (bg_gc == clist->bg_gc)
1935 gdk_gc_set_background (ctree->lines_gc, &clist_row->background);
1936
1937 /* draw ctree->tree_column */
1938 cell_rectangle.y -= CELL_SPACING;
1939 cell_rectangle.height += CELL_SPACING;
1940
1941 if (area && !gdk_rectangle_intersect (area, &cell_rectangle,
1942 &intersect_rectangle))
1943 {
1944 if (layout)
1945 g_object_unref (G_OBJECT (layout));
1946 continue;
1947 }
1948
1949 /* draw lines */
1950 offset = gtk_ctree_draw_lines (ctree, (GtkCTreeRow *)clist_row, row, i,
1951 state, &clip_rectangle, &cell_rectangle,
1952 crect, area, style);
1953
1954 /* draw expander */
1955 offset = gtk_ctree_draw_expander (ctree, (GtkCTreeRow *)clist_row,
1956 style, &clip_rectangle, offset);
1957
1958 if (clist->column[i].justification == GTK_JUSTIFY_RIGHT)
1959 offset -= ctree->tree_spacing;
1960 else
1961 offset += ctree->tree_spacing;
1962
1963 if (clist->column[i].justification == GTK_JUSTIFY_RIGHT)
1964 offset -= (pixmap_width + clist_row->cell[i].horizontal);
1965 else
1966 offset += clist_row->cell[i].horizontal;
1967
1968 old_offset = offset;
1969 offset = draw_cell_pixmap (clist->clist_window, &clip_rectangle, fg_gc,
1970 GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap,
1971 GTK_CELL_PIXTEXT (clist_row->cell[i])->mask,
1972 offset,
1973 clip_rectangle.y + clist_row->cell[i].vertical
1974 + (clip_rectangle.height - height) / 2,
1975 pixmap_width, height);
1976
1977 if (layout)
1978 {
1979 gint row_center_offset = (clist->row_height - logical_rect.height) / 2;
1980
1981 if (clist->column[i].justification == GTK_JUSTIFY_RIGHT)
1982 {
1983 offset = (old_offset - string_width);
1984 if (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap)
1985 offset -= GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
1986 }
1987 else
1988 {
1989 if (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap)
1990 offset += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing;
1991 }
1992
1993 gdk_gc_set_clip_rectangle (fg_gc, &clip_rectangle);
1994 gdk_draw_layout (clist->clist_window, fg_gc,
1995 offset,
1996 row_rectangle.y + row_center_offset + clist_row->cell[i].vertical,
1997 layout);
1998
1999 g_object_unref (G_OBJECT (layout));
2000 }
2001 gdk_gc_set_clip_rectangle (fg_gc, NULL);
2002 }
2003
2004 /* draw focus rectangle */
2005 if (clist->focus_row == row &&
2006 GTK_WIDGET_CAN_FOCUS (widget) && gtk_widget_has_focus (widget))
2007 {
2008 if (!area)
2009 gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE,
2010 row_rectangle.x, row_rectangle.y,
2011 row_rectangle.width - 1, row_rectangle.height - 1);
2012 else if (gdk_rectangle_intersect (area, &row_rectangle,
2013 &intersect_rectangle))
2014 {
2015 gdk_gc_set_clip_rectangle (clist->xor_gc, &intersect_rectangle);
2016 gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE,
2017 row_rectangle.x, row_rectangle.y,
2018 row_rectangle.width - 1,
2019 row_rectangle.height - 1);
2020 gdk_gc_set_clip_rectangle (clist->xor_gc, NULL);
2021 }
2022 }
2023 }
2024
2025 static void
tree_draw_node(GtkCTree * ctree,GtkCTreeNode * node)2026 tree_draw_node (GtkCTree *ctree,
2027 GtkCTreeNode *node)
2028 {
2029 GtkCList *clist;
2030
2031 clist = GTK_CLIST (ctree);
2032
2033 if (CLIST_UNFROZEN (clist) && gtk_ctree_is_viewable (ctree, node))
2034 {
2035 GtkCTreeNode *work;
2036 gint num = 0;
2037
2038 work = GTK_CTREE_NODE (clist->row_list);
2039 while (work && work != node)
2040 {
2041 work = GTK_CTREE_NODE_NEXT (work);
2042 num++;
2043 }
2044 if (work && gtk_clist_row_is_visible (clist, num) != GTK_VISIBILITY_NONE)
2045 GTK_CLIST_GET_CLASS (clist)->draw_row
2046 (clist, NULL, num, GTK_CLIST_ROW ((GList *) node));
2047 }
2048 }
2049
2050 static GtkCTreeNode *
gtk_ctree_last_visible(GtkCTree * ctree,GtkCTreeNode * node)2051 gtk_ctree_last_visible (GtkCTree *ctree,
2052 GtkCTreeNode *node)
2053 {
2054 GtkCTreeNode *work;
2055
2056 if (!node)
2057 return NULL;
2058
2059 work = GTK_CTREE_ROW (node)->children;
2060
2061 if (!work || !GTK_CTREE_ROW (node)->expanded)
2062 return node;
2063
2064 while (GTK_CTREE_ROW (work)->sibling)
2065 work = GTK_CTREE_ROW (work)->sibling;
2066
2067 return gtk_ctree_last_visible (ctree, work);
2068 }
2069
2070 static void
gtk_ctree_link(GtkCTree * ctree,GtkCTreeNode * node,GtkCTreeNode * parent,GtkCTreeNode * sibling,gboolean update_focus_row)2071 gtk_ctree_link (GtkCTree *ctree,
2072 GtkCTreeNode *node,
2073 GtkCTreeNode *parent,
2074 GtkCTreeNode *sibling,
2075 gboolean update_focus_row)
2076 {
2077 GtkCList *clist;
2078 GList *list_end;
2079 GList *list;
2080 GList *work;
2081 gboolean visible = FALSE;
2082 gint rows = 0;
2083
2084 if (sibling)
2085 g_return_if_fail (GTK_CTREE_ROW (sibling)->parent == parent);
2086 g_return_if_fail (node != NULL);
2087 g_return_if_fail (node != sibling);
2088 g_return_if_fail (node != parent);
2089
2090 clist = GTK_CLIST (ctree);
2091
2092 if (update_focus_row && clist->selection_mode == GTK_SELECTION_MULTIPLE)
2093 {
2094 GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
2095
2096 g_list_free (clist->undo_selection);
2097 g_list_free (clist->undo_unselection);
2098 clist->undo_selection = NULL;
2099 clist->undo_unselection = NULL;
2100 }
2101
2102 for (rows = 1, list_end = (GList *)node; list_end->next;
2103 list_end = list_end->next)
2104 rows++;
2105
2106 GTK_CTREE_ROW (node)->parent = parent;
2107 GTK_CTREE_ROW (node)->sibling = sibling;
2108
2109 if (!parent || (parent && (gtk_ctree_is_viewable (ctree, parent) &&
2110 GTK_CTREE_ROW (parent)->expanded)))
2111 {
2112 visible = TRUE;
2113 clist->rows += rows;
2114 }
2115
2116 if (parent)
2117 work = (GList *)(GTK_CTREE_ROW (parent)->children);
2118 else
2119 work = clist->row_list;
2120
2121 if (sibling)
2122 {
2123 if (work != (GList *)sibling)
2124 {
2125 while (GTK_CTREE_ROW (work)->sibling != sibling)
2126 work = (GList *)(GTK_CTREE_ROW (work)->sibling);
2127 GTK_CTREE_ROW (work)->sibling = node;
2128 }
2129
2130 if (sibling == GTK_CTREE_NODE (clist->row_list))
2131 clist->row_list = (GList *) node;
2132 if (GTK_CTREE_NODE_PREV (sibling) &&
2133 GTK_CTREE_NODE_NEXT (GTK_CTREE_NODE_PREV (sibling)) == sibling)
2134 {
2135 list = (GList *)GTK_CTREE_NODE_PREV (sibling);
2136 list->next = (GList *)node;
2137 }
2138
2139 list = (GList *)node;
2140 list->prev = (GList *)GTK_CTREE_NODE_PREV (sibling);
2141 list_end->next = (GList *)sibling;
2142 list = (GList *)sibling;
2143 list->prev = list_end;
2144 if (parent && GTK_CTREE_ROW (parent)->children == sibling)
2145 GTK_CTREE_ROW (parent)->children = node;
2146 }
2147 else
2148 {
2149 if (work)
2150 {
2151 /* find sibling */
2152 while (GTK_CTREE_ROW (work)->sibling)
2153 work = (GList *)(GTK_CTREE_ROW (work)->sibling);
2154 GTK_CTREE_ROW (work)->sibling = node;
2155
2156 /* find last visible child of sibling */
2157 work = (GList *) gtk_ctree_last_visible (ctree,
2158 GTK_CTREE_NODE (work));
2159
2160 list_end->next = work->next;
2161 if (work->next)
2162 list = work->next->prev = list_end;
2163 work->next = (GList *)node;
2164 list = (GList *)node;
2165 list->prev = work;
2166 }
2167 else
2168 {
2169 if (parent)
2170 {
2171 GTK_CTREE_ROW (parent)->children = node;
2172 list = (GList *)node;
2173 list->prev = (GList *)parent;
2174 if (GTK_CTREE_ROW (parent)->expanded)
2175 {
2176 list_end->next = (GList *)GTK_CTREE_NODE_NEXT (parent);
2177 if (GTK_CTREE_NODE_NEXT(parent))
2178 {
2179 list = (GList *)GTK_CTREE_NODE_NEXT (parent);
2180 list->prev = list_end;
2181 }
2182 list = (GList *)parent;
2183 list->next = (GList *)node;
2184 }
2185 else
2186 list_end->next = NULL;
2187 }
2188 else
2189 {
2190 clist->row_list = (GList *)node;
2191 list = (GList *)node;
2192 list->prev = NULL;
2193 list_end->next = NULL;
2194 }
2195 }
2196 }
2197
2198 gtk_ctree_pre_recursive (ctree, node, tree_update_level, NULL);
2199
2200 if (clist->row_list_end == NULL ||
2201 clist->row_list_end->next == (GList *)node)
2202 clist->row_list_end = list_end;
2203
2204 if (visible && update_focus_row)
2205 {
2206 gint pos;
2207
2208 pos = g_list_position (clist->row_list, (GList *)node);
2209
2210 if (pos <= clist->focus_row)
2211 {
2212 clist->focus_row += rows;
2213 clist->undo_anchor = clist->focus_row;
2214 }
2215 }
2216 }
2217
2218 static void
gtk_ctree_unlink(GtkCTree * ctree,GtkCTreeNode * node,gboolean update_focus_row)2219 gtk_ctree_unlink (GtkCTree *ctree,
2220 GtkCTreeNode *node,
2221 gboolean update_focus_row)
2222 {
2223 GtkCList *clist;
2224 gint rows;
2225 gint level;
2226 gint visible;
2227 GtkCTreeNode *work;
2228 GtkCTreeNode *parent;
2229 GList *list;
2230
2231 g_return_if_fail (GTK_IS_CTREE (ctree));
2232 g_return_if_fail (node != NULL);
2233
2234 clist = GTK_CLIST (ctree);
2235
2236 if (update_focus_row && clist->selection_mode == GTK_SELECTION_MULTIPLE)
2237 {
2238 GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
2239
2240 g_list_free (clist->undo_selection);
2241 g_list_free (clist->undo_unselection);
2242 clist->undo_selection = NULL;
2243 clist->undo_unselection = NULL;
2244 }
2245
2246 visible = gtk_ctree_is_viewable (ctree, node);
2247
2248 /* clist->row_list_end unlinked ? */
2249 if (visible &&
2250 (GTK_CTREE_NODE_NEXT (node) == NULL ||
2251 (GTK_CTREE_ROW (node)->children &&
2252 gtk_ctree_is_ancestor (ctree, node,
2253 GTK_CTREE_NODE (clist->row_list_end)))))
2254 clist->row_list_end = (GList *) (GTK_CTREE_NODE_PREV (node));
2255
2256 /* update list */
2257 rows = 0;
2258 level = GTK_CTREE_ROW (node)->level;
2259 work = GTK_CTREE_NODE_NEXT (node);
2260 while (work && GTK_CTREE_ROW (work)->level > level)
2261 {
2262 work = GTK_CTREE_NODE_NEXT (work);
2263 rows++;
2264 }
2265
2266 if (visible)
2267 {
2268 clist->rows -= (rows + 1);
2269
2270 if (update_focus_row)
2271 {
2272 gint pos;
2273
2274 pos = g_list_position (clist->row_list, (GList *)node);
2275 if (pos + rows < clist->focus_row)
2276 clist->focus_row -= (rows + 1);
2277 else if (pos <= clist->focus_row)
2278 {
2279 if (!GTK_CTREE_ROW (node)->sibling)
2280 clist->focus_row = MAX (pos - 1, 0);
2281 else
2282 clist->focus_row = pos;
2283
2284 clist->focus_row = MIN (clist->focus_row, clist->rows - 1);
2285 }
2286 clist->undo_anchor = clist->focus_row;
2287 }
2288 }
2289
2290 if (work)
2291 {
2292 list = (GList *)GTK_CTREE_NODE_PREV (work);
2293 list->next = NULL;
2294 list = (GList *)work;
2295 list->prev = (GList *)GTK_CTREE_NODE_PREV (node);
2296 }
2297
2298 if (GTK_CTREE_NODE_PREV (node) &&
2299 GTK_CTREE_NODE_NEXT (GTK_CTREE_NODE_PREV (node)) == node)
2300 {
2301 list = (GList *)GTK_CTREE_NODE_PREV (node);
2302 list->next = (GList *)work;
2303 }
2304
2305 /* update tree */
2306 parent = GTK_CTREE_ROW (node)->parent;
2307 if (parent)
2308 {
2309 if (GTK_CTREE_ROW (parent)->children == node)
2310 {
2311 GTK_CTREE_ROW (parent)->children = GTK_CTREE_ROW (node)->sibling;
2312 if (!GTK_CTREE_ROW (parent)->children)
2313 gtk_ctree_collapse (ctree, parent);
2314 }
2315 else
2316 {
2317 GtkCTreeNode *sibling;
2318
2319 sibling = GTK_CTREE_ROW (parent)->children;
2320 while (GTK_CTREE_ROW (sibling)->sibling != node)
2321 sibling = GTK_CTREE_ROW (sibling)->sibling;
2322 GTK_CTREE_ROW (sibling)->sibling = GTK_CTREE_ROW (node)->sibling;
2323 }
2324 }
2325 else
2326 {
2327 if (clist->row_list == (GList *)node)
2328 clist->row_list = (GList *) (GTK_CTREE_ROW (node)->sibling);
2329 else
2330 {
2331 GtkCTreeNode *sibling;
2332
2333 sibling = GTK_CTREE_NODE (clist->row_list);
2334 while (GTK_CTREE_ROW (sibling)->sibling != node)
2335 sibling = GTK_CTREE_ROW (sibling)->sibling;
2336 GTK_CTREE_ROW (sibling)->sibling = GTK_CTREE_ROW (node)->sibling;
2337 }
2338 }
2339 }
2340
2341 static void
real_row_move(GtkCList * clist,gint source_row,gint dest_row)2342 real_row_move (GtkCList *clist,
2343 gint source_row,
2344 gint dest_row)
2345 {
2346 GtkCTree *ctree;
2347 GtkCTreeNode *node;
2348
2349 g_return_if_fail (GTK_IS_CTREE (clist));
2350
2351 if (GTK_CLIST_AUTO_SORT (clist))
2352 return;
2353
2354 if (source_row < 0 || source_row >= clist->rows ||
2355 dest_row < 0 || dest_row >= clist->rows ||
2356 source_row == dest_row)
2357 return;
2358
2359 ctree = GTK_CTREE (clist);
2360 node = GTK_CTREE_NODE (g_list_nth (clist->row_list, source_row));
2361
2362 if (source_row < dest_row)
2363 {
2364 GtkCTreeNode *work;
2365
2366 dest_row++;
2367 work = GTK_CTREE_ROW (node)->children;
2368
2369 while (work && GTK_CTREE_ROW (work)->level > GTK_CTREE_ROW (node)->level)
2370 {
2371 work = GTK_CTREE_NODE_NEXT (work);
2372 dest_row++;
2373 }
2374
2375 if (dest_row > clist->rows)
2376 dest_row = clist->rows;
2377 }
2378
2379 if (dest_row < clist->rows)
2380 {
2381 GtkCTreeNode *sibling;
2382
2383 sibling = GTK_CTREE_NODE (g_list_nth (clist->row_list, dest_row));
2384 gtk_ctree_move (ctree, node, GTK_CTREE_ROW (sibling)->parent, sibling);
2385 }
2386 else
2387 gtk_ctree_move (ctree, node, NULL, NULL);
2388 }
2389
2390 static void
real_tree_move(GtkCTree * ctree,GtkCTreeNode * node,GtkCTreeNode * new_parent,GtkCTreeNode * new_sibling)2391 real_tree_move (GtkCTree *ctree,
2392 GtkCTreeNode *node,
2393 GtkCTreeNode *new_parent,
2394 GtkCTreeNode *new_sibling)
2395 {
2396 GtkCList *clist;
2397 GtkCTreeNode *work;
2398 gboolean visible = FALSE;
2399
2400 g_return_if_fail (ctree != NULL);
2401 g_return_if_fail (node != NULL);
2402 g_return_if_fail (!new_sibling ||
2403 GTK_CTREE_ROW (new_sibling)->parent == new_parent);
2404
2405 if (new_parent && GTK_CTREE_ROW (new_parent)->is_leaf)
2406 return;
2407
2408 /* new_parent != child of child */
2409 for (work = new_parent; work; work = GTK_CTREE_ROW (work)->parent)
2410 if (work == node)
2411 return;
2412
2413 clist = GTK_CLIST (ctree);
2414
2415 visible = gtk_ctree_is_viewable (ctree, node);
2416
2417 if (clist->selection_mode == GTK_SELECTION_MULTIPLE)
2418 {
2419 GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
2420
2421 g_list_free (clist->undo_selection);
2422 g_list_free (clist->undo_unselection);
2423 clist->undo_selection = NULL;
2424 clist->undo_unselection = NULL;
2425 }
2426
2427 if (GTK_CLIST_AUTO_SORT (clist))
2428 {
2429 if (new_parent == GTK_CTREE_ROW (node)->parent)
2430 return;
2431
2432 if (new_parent)
2433 new_sibling = GTK_CTREE_ROW (new_parent)->children;
2434 else
2435 new_sibling = GTK_CTREE_NODE (clist->row_list);
2436
2437 while (new_sibling && clist->compare
2438 (clist, GTK_CTREE_ROW (node), GTK_CTREE_ROW (new_sibling)) > 0)
2439 new_sibling = GTK_CTREE_ROW (new_sibling)->sibling;
2440 }
2441
2442 if (new_parent == GTK_CTREE_ROW (node)->parent &&
2443 new_sibling == GTK_CTREE_ROW (node)->sibling)
2444 return;
2445
2446 gtk_clist_freeze (clist);
2447
2448 work = NULL;
2449 if (gtk_ctree_is_viewable (ctree, node))
2450 work = GTK_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row));
2451
2452 gtk_ctree_unlink (ctree, node, FALSE);
2453 gtk_ctree_link (ctree, node, new_parent, new_sibling, FALSE);
2454
2455 if (work)
2456 {
2457 while (work && !gtk_ctree_is_viewable (ctree, work))
2458 work = GTK_CTREE_ROW (work)->parent;
2459 clist->focus_row = g_list_position (clist->row_list, (GList *)work);
2460 clist->undo_anchor = clist->focus_row;
2461 }
2462
2463 if (clist->column[ctree->tree_column].auto_resize &&
2464 !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist) &&
2465 (visible || gtk_ctree_is_viewable (ctree, node)))
2466 gtk_clist_set_column_width
2467 (clist, ctree->tree_column,
2468 gtk_clist_optimal_column_width (clist, ctree->tree_column));
2469
2470 gtk_clist_thaw (clist);
2471 }
2472
2473 static void
change_focus_row_expansion(GtkCTree * ctree,GtkCTreeExpansionType action)2474 change_focus_row_expansion (GtkCTree *ctree,
2475 GtkCTreeExpansionType action)
2476 {
2477 GtkCList *clist;
2478 GtkCTreeNode *node;
2479
2480 g_return_if_fail (GTK_IS_CTREE (ctree));
2481
2482 clist = GTK_CLIST (ctree);
2483
2484 if (gdk_display_pointer_is_grabbed (gtk_widget_get_display (GTK_WIDGET (ctree))) &&
2485 GTK_WIDGET_HAS_GRAB (ctree))
2486 return;
2487
2488 if (!(node =
2489 GTK_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row))) ||
2490 GTK_CTREE_ROW (node)->is_leaf || !(GTK_CTREE_ROW (node)->children))
2491 return;
2492
2493 switch (action)
2494 {
2495 case GTK_CTREE_EXPANSION_EXPAND:
2496 gtk_ctree_expand (ctree, node);
2497 break;
2498 case GTK_CTREE_EXPANSION_EXPAND_RECURSIVE:
2499 gtk_ctree_expand_recursive (ctree, node);
2500 break;
2501 case GTK_CTREE_EXPANSION_COLLAPSE:
2502 gtk_ctree_collapse (ctree, node);
2503 break;
2504 case GTK_CTREE_EXPANSION_COLLAPSE_RECURSIVE:
2505 gtk_ctree_collapse_recursive (ctree, node);
2506 break;
2507 case GTK_CTREE_EXPANSION_TOGGLE:
2508 gtk_ctree_toggle_expansion (ctree, node);
2509 break;
2510 case GTK_CTREE_EXPANSION_TOGGLE_RECURSIVE:
2511 gtk_ctree_toggle_expansion_recursive (ctree, node);
2512 break;
2513 }
2514 }
2515
2516 static void
real_tree_expand(GtkCTree * ctree,GtkCTreeNode * node)2517 real_tree_expand (GtkCTree *ctree,
2518 GtkCTreeNode *node)
2519 {
2520 GtkCList *clist;
2521 GtkCTreeNode *work;
2522 GtkRequisition requisition;
2523 gboolean visible;
2524
2525 g_return_if_fail (GTK_IS_CTREE (ctree));
2526
2527 if (!node || GTK_CTREE_ROW (node)->expanded || GTK_CTREE_ROW (node)->is_leaf)
2528 return;
2529
2530 clist = GTK_CLIST (ctree);
2531
2532 GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
2533
2534 GTK_CTREE_ROW (node)->expanded = TRUE;
2535
2536 visible = gtk_ctree_is_viewable (ctree, node);
2537 /* get cell width if tree_column is auto resized */
2538 if (visible && clist->column[ctree->tree_column].auto_resize &&
2539 !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
2540 GTK_CLIST_GET_CLASS (clist)->cell_size_request
2541 (clist, >K_CTREE_ROW (node)->row, ctree->tree_column, &requisition);
2542
2543 /* unref/unset closed pixmap */
2544 if (GTK_CELL_PIXTEXT
2545 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap)
2546 {
2547 g_object_unref
2548 (GTK_CELL_PIXTEXT
2549 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap);
2550
2551 GTK_CELL_PIXTEXT
2552 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap = NULL;
2553
2554 if (GTK_CELL_PIXTEXT
2555 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask)
2556 {
2557 g_object_unref
2558 (GTK_CELL_PIXTEXT
2559 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask);
2560 GTK_CELL_PIXTEXT
2561 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask = NULL;
2562 }
2563 }
2564
2565 /* set/ref opened pixmap */
2566 if (GTK_CTREE_ROW (node)->pixmap_opened)
2567 {
2568 GTK_CELL_PIXTEXT
2569 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap =
2570 g_object_ref (GTK_CTREE_ROW (node)->pixmap_opened);
2571
2572 if (GTK_CTREE_ROW (node)->mask_opened)
2573 GTK_CELL_PIXTEXT
2574 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask =
2575 g_object_ref (GTK_CTREE_ROW (node)->mask_opened);
2576 }
2577
2578
2579 work = GTK_CTREE_ROW (node)->children;
2580 if (work)
2581 {
2582 GList *list = (GList *)work;
2583 gint *cell_width = NULL;
2584 gint tmp = 0;
2585 gint row;
2586 gint i;
2587
2588 if (visible && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
2589 {
2590 cell_width = g_new0 (gint, clist->columns);
2591 if (clist->column[ctree->tree_column].auto_resize)
2592 cell_width[ctree->tree_column] = requisition.width;
2593
2594 while (work)
2595 {
2596 /* search maximum cell widths of auto_resize columns */
2597 for (i = 0; i < clist->columns; i++)
2598 if (clist->column[i].auto_resize)
2599 {
2600 GTK_CLIST_GET_CLASS (clist)->cell_size_request
2601 (clist, >K_CTREE_ROW (work)->row, i, &requisition);
2602 cell_width[i] = MAX (requisition.width, cell_width[i]);
2603 }
2604
2605 list = (GList *)work;
2606 work = GTK_CTREE_NODE_NEXT (work);
2607 tmp++;
2608 }
2609 }
2610 else
2611 while (work)
2612 {
2613 list = (GList *)work;
2614 work = GTK_CTREE_NODE_NEXT (work);
2615 tmp++;
2616 }
2617
2618 list->next = (GList *)GTK_CTREE_NODE_NEXT (node);
2619
2620 if (GTK_CTREE_NODE_NEXT (node))
2621 {
2622 GList *tmp_list;
2623
2624 tmp_list = (GList *)GTK_CTREE_NODE_NEXT (node);
2625 tmp_list->prev = list;
2626 }
2627 else
2628 clist->row_list_end = list;
2629
2630 list = (GList *)node;
2631 list->next = (GList *)(GTK_CTREE_ROW (node)->children);
2632
2633 if (visible)
2634 {
2635 /* resize auto_resize columns if needed */
2636 for (i = 0; i < clist->columns; i++)
2637 if (clist->column[i].auto_resize &&
2638 cell_width[i] > clist->column[i].width)
2639 gtk_clist_set_column_width (clist, i, cell_width[i]);
2640 g_free (cell_width);
2641
2642 /* update focus_row position */
2643 row = g_list_position (clist->row_list, (GList *)node);
2644 if (row < clist->focus_row)
2645 clist->focus_row += tmp;
2646
2647 clist->rows += tmp;
2648 CLIST_REFRESH (clist);
2649 }
2650 }
2651 else if (visible && clist->column[ctree->tree_column].auto_resize)
2652 /* resize tree_column if needed */
2653 column_auto_resize (clist, >K_CTREE_ROW (node)->row, ctree->tree_column,
2654 requisition.width);
2655 }
2656
2657 static void
real_tree_collapse(GtkCTree * ctree,GtkCTreeNode * node)2658 real_tree_collapse (GtkCTree *ctree,
2659 GtkCTreeNode *node)
2660 {
2661 GtkCList *clist;
2662 GtkCTreeNode *work;
2663 GtkRequisition requisition;
2664 gboolean visible;
2665 gint level;
2666
2667 g_return_if_fail (GTK_IS_CTREE (ctree));
2668
2669 if (!node || !GTK_CTREE_ROW (node)->expanded ||
2670 GTK_CTREE_ROW (node)->is_leaf)
2671 return;
2672
2673 clist = GTK_CLIST (ctree);
2674
2675 GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
2676
2677 GTK_CTREE_ROW (node)->expanded = FALSE;
2678 level = GTK_CTREE_ROW (node)->level;
2679
2680 visible = gtk_ctree_is_viewable (ctree, node);
2681 /* get cell width if tree_column is auto resized */
2682 if (visible && clist->column[ctree->tree_column].auto_resize &&
2683 !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
2684 GTK_CLIST_GET_CLASS (clist)->cell_size_request
2685 (clist, >K_CTREE_ROW (node)->row, ctree->tree_column, &requisition);
2686
2687 /* unref/unset opened pixmap */
2688 if (GTK_CELL_PIXTEXT
2689 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap)
2690 {
2691 g_object_unref
2692 (GTK_CELL_PIXTEXT
2693 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap);
2694
2695 GTK_CELL_PIXTEXT
2696 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap = NULL;
2697
2698 if (GTK_CELL_PIXTEXT
2699 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask)
2700 {
2701 g_object_unref
2702 (GTK_CELL_PIXTEXT
2703 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask);
2704 GTK_CELL_PIXTEXT
2705 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask = NULL;
2706 }
2707 }
2708
2709 /* set/ref closed pixmap */
2710 if (GTK_CTREE_ROW (node)->pixmap_closed)
2711 {
2712 GTK_CELL_PIXTEXT
2713 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap =
2714 g_object_ref (GTK_CTREE_ROW (node)->pixmap_closed);
2715
2716 if (GTK_CTREE_ROW (node)->mask_closed)
2717 GTK_CELL_PIXTEXT
2718 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask =
2719 g_object_ref (GTK_CTREE_ROW (node)->mask_closed);
2720 }
2721
2722 work = GTK_CTREE_ROW (node)->children;
2723 if (work)
2724 {
2725 gint tmp = 0;
2726 gint row;
2727 GList *list;
2728
2729 while (work && GTK_CTREE_ROW (work)->level > level)
2730 {
2731 work = GTK_CTREE_NODE_NEXT (work);
2732 tmp++;
2733 }
2734
2735 if (work)
2736 {
2737 list = (GList *)node;
2738 list->next = (GList *)work;
2739 list = (GList *)GTK_CTREE_NODE_PREV (work);
2740 list->next = NULL;
2741 list = (GList *)work;
2742 list->prev = (GList *)node;
2743 }
2744 else
2745 {
2746 list = (GList *)node;
2747 list->next = NULL;
2748 clist->row_list_end = (GList *)node;
2749 }
2750
2751 if (visible)
2752 {
2753 /* resize auto_resize columns if needed */
2754 auto_resize_columns (clist);
2755
2756 row = g_list_position (clist->row_list, (GList *)node);
2757 if (row < clist->focus_row)
2758 clist->focus_row -= tmp;
2759 clist->rows -= tmp;
2760 CLIST_REFRESH (clist);
2761 }
2762 }
2763 else if (visible && clist->column[ctree->tree_column].auto_resize &&
2764 !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
2765 /* resize tree_column if needed */
2766 column_auto_resize (clist, >K_CTREE_ROW (node)->row, ctree->tree_column,
2767 requisition.width);
2768
2769 }
2770
2771 static void
column_auto_resize(GtkCList * clist,GtkCListRow * clist_row,gint column,gint old_width)2772 column_auto_resize (GtkCList *clist,
2773 GtkCListRow *clist_row,
2774 gint column,
2775 gint old_width)
2776 {
2777 /* resize column if needed for auto_resize */
2778 GtkRequisition requisition;
2779
2780 if (!clist->column[column].auto_resize ||
2781 GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
2782 return;
2783
2784 if (clist_row)
2785 GTK_CLIST_GET_CLASS (clist)->cell_size_request (clist, clist_row,
2786 column, &requisition);
2787 else
2788 requisition.width = 0;
2789
2790 if (requisition.width > clist->column[column].width)
2791 gtk_clist_set_column_width (clist, column, requisition.width);
2792 else if (requisition.width < old_width &&
2793 old_width == clist->column[column].width)
2794 {
2795 GList *list;
2796 gint new_width;
2797
2798 /* run a "gtk_clist_optimal_column_width" but break, if
2799 * the column doesn't shrink */
2800 if (GTK_CLIST_SHOW_TITLES (clist) && clist->column[column].button)
2801 new_width = (clist->column[column].button->requisition.width -
2802 (CELL_SPACING + (2 * COLUMN_INSET)));
2803 else
2804 new_width = 0;
2805
2806 for (list = clist->row_list; list; list = list->next)
2807 {
2808 GTK_CLIST_GET_CLASS (clist)->cell_size_request
2809 (clist, GTK_CLIST_ROW (list), column, &requisition);
2810 new_width = MAX (new_width, requisition.width);
2811 if (new_width == clist->column[column].width)
2812 break;
2813 }
2814 if (new_width < clist->column[column].width)
2815 gtk_clist_set_column_width (clist, column, new_width);
2816 }
2817 }
2818
2819 static void
auto_resize_columns(GtkCList * clist)2820 auto_resize_columns (GtkCList *clist)
2821 {
2822 gint i;
2823
2824 if (GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
2825 return;
2826
2827 for (i = 0; i < clist->columns; i++)
2828 column_auto_resize (clist, NULL, i, clist->column[i].width);
2829 }
2830
2831 static void
cell_size_request(GtkCList * clist,GtkCListRow * clist_row,gint column,GtkRequisition * requisition)2832 cell_size_request (GtkCList *clist,
2833 GtkCListRow *clist_row,
2834 gint column,
2835 GtkRequisition *requisition)
2836 {
2837 GtkCTree *ctree;
2838 gint width;
2839 gint height;
2840 PangoLayout *layout;
2841 PangoRectangle logical_rect;
2842
2843 g_return_if_fail (GTK_IS_CTREE (clist));
2844 g_return_if_fail (requisition != NULL);
2845
2846 ctree = GTK_CTREE (clist);
2847
2848 layout = _gtk_clist_create_cell_layout (clist, clist_row, column);
2849 if (layout)
2850 {
2851 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2852
2853 requisition->width = logical_rect.width;
2854 requisition->height = logical_rect.height;
2855
2856 g_object_unref (G_OBJECT (layout));
2857 }
2858 else
2859 {
2860 requisition->width = 0;
2861 requisition->height = 0;
2862 }
2863
2864 switch (clist_row->cell[column].type)
2865 {
2866 case GTK_CELL_PIXTEXT:
2867 if (GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap)
2868 {
2869 gdk_drawable_get_size (GTK_CELL_PIXTEXT
2870 (clist_row->cell[column])->pixmap,
2871 &width, &height);
2872 width += GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing;
2873 }
2874 else
2875 width = height = 0;
2876
2877 requisition->width += width;
2878 requisition->height = MAX (requisition->height, height);
2879
2880 if (column == ctree->tree_column)
2881 {
2882 requisition->width += (ctree->tree_spacing + ctree->tree_indent *
2883 (((GtkCTreeRow *) clist_row)->level - 1));
2884 switch (ctree->expander_style)
2885 {
2886 case GTK_CTREE_EXPANDER_NONE:
2887 break;
2888 case GTK_CTREE_EXPANDER_TRIANGLE:
2889 requisition->width += PM_SIZE + 3;
2890 break;
2891 case GTK_CTREE_EXPANDER_SQUARE:
2892 case GTK_CTREE_EXPANDER_CIRCULAR:
2893 requisition->width += PM_SIZE + 1;
2894 break;
2895 }
2896 if (ctree->line_style == GTK_CTREE_LINES_TABBED)
2897 requisition->width += 3;
2898 }
2899 break;
2900 case GTK_CELL_PIXMAP:
2901 gdk_drawable_get_size (GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap,
2902 &width, &height);
2903 requisition->width += width;
2904 requisition->height = MAX (requisition->height, height);
2905 break;
2906 default:
2907 break;
2908 }
2909
2910 requisition->width += clist_row->cell[column].horizontal;
2911 requisition->height += clist_row->cell[column].vertical;
2912 }
2913
2914 static void
set_cell_contents(GtkCList * clist,GtkCListRow * clist_row,gint column,GtkCellType type,const gchar * text,guint8 spacing,GdkPixmap * pixmap,GdkBitmap * mask)2915 set_cell_contents (GtkCList *clist,
2916 GtkCListRow *clist_row,
2917 gint column,
2918 GtkCellType type,
2919 const gchar *text,
2920 guint8 spacing,
2921 GdkPixmap *pixmap,
2922 GdkBitmap *mask)
2923 {
2924 gboolean visible = FALSE;
2925 GtkCTree *ctree;
2926 GtkRequisition requisition;
2927 gchar *old_text = NULL;
2928 GdkPixmap *old_pixmap = NULL;
2929 GdkBitmap *old_mask = NULL;
2930
2931 g_return_if_fail (GTK_IS_CTREE (clist));
2932 g_return_if_fail (clist_row != NULL);
2933
2934 ctree = GTK_CTREE (clist);
2935
2936 if (clist->column[column].auto_resize &&
2937 !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
2938 {
2939 GtkCTreeNode *parent;
2940
2941 parent = ((GtkCTreeRow *)clist_row)->parent;
2942 if (!parent || (parent && GTK_CTREE_ROW (parent)->expanded &&
2943 gtk_ctree_is_viewable (ctree, parent)))
2944 {
2945 visible = TRUE;
2946 GTK_CLIST_GET_CLASS (clist)->cell_size_request (clist, clist_row,
2947 column, &requisition);
2948 }
2949 }
2950
2951 switch (clist_row->cell[column].type)
2952 {
2953 case GTK_CELL_EMPTY:
2954 break;
2955 case GTK_CELL_TEXT:
2956 old_text = GTK_CELL_TEXT (clist_row->cell[column])->text;
2957 break;
2958 case GTK_CELL_PIXMAP:
2959 old_pixmap = GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap;
2960 old_mask = GTK_CELL_PIXMAP (clist_row->cell[column])->mask;
2961 break;
2962 case GTK_CELL_PIXTEXT:
2963 old_text = GTK_CELL_PIXTEXT (clist_row->cell[column])->text;
2964 old_pixmap = GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap;
2965 old_mask = GTK_CELL_PIXTEXT (clist_row->cell[column])->mask;
2966 break;
2967 case GTK_CELL_WIDGET:
2968 /* unimplemented */
2969 break;
2970
2971 default:
2972 break;
2973 }
2974
2975 clist_row->cell[column].type = GTK_CELL_EMPTY;
2976 if (column == ctree->tree_column && type != GTK_CELL_EMPTY)
2977 type = GTK_CELL_PIXTEXT;
2978
2979 /* Note that pixmap and mask were already ref'ed by the caller
2980 */
2981 switch (type)
2982 {
2983 case GTK_CELL_TEXT:
2984 if (text)
2985 {
2986 clist_row->cell[column].type = GTK_CELL_TEXT;
2987 GTK_CELL_TEXT (clist_row->cell[column])->text = g_strdup (text);
2988 }
2989 break;
2990 case GTK_CELL_PIXMAP:
2991 if (pixmap)
2992 {
2993 clist_row->cell[column].type = GTK_CELL_PIXMAP;
2994 GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap = pixmap;
2995 /* We set the mask even if it is NULL */
2996 GTK_CELL_PIXMAP (clist_row->cell[column])->mask = mask;
2997 }
2998 break;
2999 case GTK_CELL_PIXTEXT:
3000 if (column == ctree->tree_column)
3001 {
3002 clist_row->cell[column].type = GTK_CELL_PIXTEXT;
3003 GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing = spacing;
3004 if (text)
3005 GTK_CELL_PIXTEXT (clist_row->cell[column])->text = g_strdup (text);
3006 else
3007 GTK_CELL_PIXTEXT (clist_row->cell[column])->text = NULL;
3008 if (pixmap)
3009 {
3010 GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap = pixmap;
3011 GTK_CELL_PIXTEXT (clist_row->cell[column])->mask = mask;
3012 }
3013 else
3014 {
3015 GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap = NULL;
3016 GTK_CELL_PIXTEXT (clist_row->cell[column])->mask = NULL;
3017 }
3018 }
3019 else if (text && pixmap)
3020 {
3021 clist_row->cell[column].type = GTK_CELL_PIXTEXT;
3022 GTK_CELL_PIXTEXT (clist_row->cell[column])->text = g_strdup (text);
3023 GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing = spacing;
3024 GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap = pixmap;
3025 GTK_CELL_PIXTEXT (clist_row->cell[column])->mask = mask;
3026 }
3027 break;
3028 default:
3029 break;
3030 }
3031
3032 if (visible && clist->column[column].auto_resize &&
3033 !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
3034 column_auto_resize (clist, clist_row, column, requisition.width);
3035
3036 g_free (old_text);
3037 if (old_pixmap)
3038 g_object_unref (old_pixmap);
3039 if (old_mask)
3040 g_object_unref (old_mask);
3041 }
3042
3043 static void
set_node_info(GtkCTree * ctree,GtkCTreeNode * node,const gchar * text,guint8 spacing,GdkPixmap * pixmap_closed,GdkBitmap * mask_closed,GdkPixmap * pixmap_opened,GdkBitmap * mask_opened,gboolean is_leaf,gboolean expanded)3044 set_node_info (GtkCTree *ctree,
3045 GtkCTreeNode *node,
3046 const gchar *text,
3047 guint8 spacing,
3048 GdkPixmap *pixmap_closed,
3049 GdkBitmap *mask_closed,
3050 GdkPixmap *pixmap_opened,
3051 GdkBitmap *mask_opened,
3052 gboolean is_leaf,
3053 gboolean expanded)
3054 {
3055 if (GTK_CTREE_ROW (node)->pixmap_opened)
3056 {
3057 g_object_unref (GTK_CTREE_ROW (node)->pixmap_opened);
3058 if (GTK_CTREE_ROW (node)->mask_opened)
3059 g_object_unref (GTK_CTREE_ROW (node)->mask_opened);
3060 }
3061 if (GTK_CTREE_ROW (node)->pixmap_closed)
3062 {
3063 g_object_unref (GTK_CTREE_ROW (node)->pixmap_closed);
3064 if (GTK_CTREE_ROW (node)->mask_closed)
3065 g_object_unref (GTK_CTREE_ROW (node)->mask_closed);
3066 }
3067
3068 GTK_CTREE_ROW (node)->pixmap_opened = NULL;
3069 GTK_CTREE_ROW (node)->mask_opened = NULL;
3070 GTK_CTREE_ROW (node)->pixmap_closed = NULL;
3071 GTK_CTREE_ROW (node)->mask_closed = NULL;
3072
3073 if (pixmap_closed)
3074 {
3075 GTK_CTREE_ROW (node)->pixmap_closed = g_object_ref (pixmap_closed);
3076 if (mask_closed)
3077 GTK_CTREE_ROW (node)->mask_closed = g_object_ref (mask_closed);
3078 }
3079 if (pixmap_opened)
3080 {
3081 GTK_CTREE_ROW (node)->pixmap_opened = g_object_ref (pixmap_opened);
3082 if (mask_opened)
3083 GTK_CTREE_ROW (node)->mask_opened = g_object_ref (mask_opened);
3084 }
3085
3086 GTK_CTREE_ROW (node)->is_leaf = is_leaf;
3087 GTK_CTREE_ROW (node)->expanded = (is_leaf) ? FALSE : expanded;
3088
3089 if (GTK_CTREE_ROW (node)->expanded)
3090 gtk_ctree_node_set_pixtext (ctree, node, ctree->tree_column,
3091 text, spacing, pixmap_opened, mask_opened);
3092 else
3093 gtk_ctree_node_set_pixtext (ctree, node, ctree->tree_column,
3094 text, spacing, pixmap_closed, mask_closed);
3095 }
3096
3097 static void
tree_delete(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)3098 tree_delete (GtkCTree *ctree,
3099 GtkCTreeNode *node,
3100 gpointer data)
3101 {
3102 tree_unselect (ctree, node, NULL);
3103 row_delete (ctree, GTK_CTREE_ROW (node));
3104 g_list_free_1 ((GList *)node);
3105 }
3106
3107 static void
tree_delete_row(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)3108 tree_delete_row (GtkCTree *ctree,
3109 GtkCTreeNode *node,
3110 gpointer data)
3111 {
3112 row_delete (ctree, GTK_CTREE_ROW (node));
3113 g_list_free_1 ((GList *)node);
3114 }
3115
3116 static void
tree_update_level(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)3117 tree_update_level (GtkCTree *ctree,
3118 GtkCTreeNode *node,
3119 gpointer data)
3120 {
3121 if (!node)
3122 return;
3123
3124 if (GTK_CTREE_ROW (node)->parent)
3125 GTK_CTREE_ROW (node)->level =
3126 GTK_CTREE_ROW (GTK_CTREE_ROW (node)->parent)->level + 1;
3127 else
3128 GTK_CTREE_ROW (node)->level = 1;
3129 }
3130
3131 static void
tree_select(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)3132 tree_select (GtkCTree *ctree,
3133 GtkCTreeNode *node,
3134 gpointer data)
3135 {
3136 if (node && GTK_CTREE_ROW (node)->row.state != GTK_STATE_SELECTED &&
3137 GTK_CTREE_ROW (node)->row.selectable)
3138 gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
3139 node, -1);
3140 }
3141
3142 static void
tree_unselect(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)3143 tree_unselect (GtkCTree *ctree,
3144 GtkCTreeNode *node,
3145 gpointer data)
3146 {
3147 if (node && GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
3148 gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW],
3149 node, -1);
3150 }
3151
3152 static void
tree_expand(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)3153 tree_expand (GtkCTree *ctree,
3154 GtkCTreeNode *node,
3155 gpointer data)
3156 {
3157 if (node && !GTK_CTREE_ROW (node)->expanded)
3158 gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node);
3159 }
3160
3161 static void
tree_collapse(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)3162 tree_collapse (GtkCTree *ctree,
3163 GtkCTreeNode *node,
3164 gpointer data)
3165 {
3166 if (node && GTK_CTREE_ROW (node)->expanded)
3167 gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node);
3168 }
3169
3170 static void
tree_collapse_to_depth(GtkCTree * ctree,GtkCTreeNode * node,gint depth)3171 tree_collapse_to_depth (GtkCTree *ctree,
3172 GtkCTreeNode *node,
3173 gint depth)
3174 {
3175 if (node && GTK_CTREE_ROW (node)->level == depth)
3176 gtk_ctree_collapse_recursive (ctree, node);
3177 }
3178
3179 static void
tree_toggle_expansion(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)3180 tree_toggle_expansion (GtkCTree *ctree,
3181 GtkCTreeNode *node,
3182 gpointer data)
3183 {
3184 if (!node)
3185 return;
3186
3187 if (GTK_CTREE_ROW (node)->expanded)
3188 gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node);
3189 else
3190 gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node);
3191 }
3192
3193 static GtkCTreeRow *
row_new(GtkCTree * ctree)3194 row_new (GtkCTree *ctree)
3195 {
3196 GtkCList *clist;
3197 GtkCTreeRow *ctree_row;
3198 int i;
3199
3200 clist = GTK_CLIST (ctree);
3201 ctree_row = g_slice_new (GtkCTreeRow);
3202 ctree_row->row.cell = g_slice_alloc (sizeof (GtkCell) * clist->columns);
3203
3204 for (i = 0; i < clist->columns; i++)
3205 {
3206 ctree_row->row.cell[i].type = GTK_CELL_EMPTY;
3207 ctree_row->row.cell[i].vertical = 0;
3208 ctree_row->row.cell[i].horizontal = 0;
3209 ctree_row->row.cell[i].style = NULL;
3210 }
3211
3212 GTK_CELL_PIXTEXT (ctree_row->row.cell[ctree->tree_column])->text = NULL;
3213
3214 ctree_row->row.fg_set = FALSE;
3215 ctree_row->row.bg_set = FALSE;
3216 ctree_row->row.style = NULL;
3217 ctree_row->row.selectable = TRUE;
3218 ctree_row->row.state = GTK_STATE_NORMAL;
3219 ctree_row->row.data = NULL;
3220 ctree_row->row.destroy = NULL;
3221
3222 ctree_row->level = 0;
3223 ctree_row->expanded = FALSE;
3224 ctree_row->parent = NULL;
3225 ctree_row->sibling = NULL;
3226 ctree_row->children = NULL;
3227 ctree_row->pixmap_closed = NULL;
3228 ctree_row->mask_closed = NULL;
3229 ctree_row->pixmap_opened = NULL;
3230 ctree_row->mask_opened = NULL;
3231
3232 return ctree_row;
3233 }
3234
3235 static void
row_delete(GtkCTree * ctree,GtkCTreeRow * ctree_row)3236 row_delete (GtkCTree *ctree,
3237 GtkCTreeRow *ctree_row)
3238 {
3239 GtkCList *clist;
3240 gint i;
3241
3242 clist = GTK_CLIST (ctree);
3243
3244 for (i = 0; i < clist->columns; i++)
3245 {
3246 GTK_CLIST_GET_CLASS (clist)->set_cell_contents
3247 (clist, &(ctree_row->row), i, GTK_CELL_EMPTY, NULL, 0, NULL, NULL);
3248 if (ctree_row->row.cell[i].style)
3249 {
3250 if (gtk_widget_get_realized (GTK_WIDGET (ctree)))
3251 gtk_style_detach (ctree_row->row.cell[i].style);
3252 g_object_unref (ctree_row->row.cell[i].style);
3253 }
3254 }
3255
3256 if (ctree_row->row.style)
3257 {
3258 if (gtk_widget_get_realized (GTK_WIDGET (ctree)))
3259 gtk_style_detach (ctree_row->row.style);
3260 g_object_unref (ctree_row->row.style);
3261 }
3262
3263 if (ctree_row->pixmap_closed)
3264 {
3265 g_object_unref (ctree_row->pixmap_closed);
3266 if (ctree_row->mask_closed)
3267 g_object_unref (ctree_row->mask_closed);
3268 }
3269
3270 if (ctree_row->pixmap_opened)
3271 {
3272 g_object_unref (ctree_row->pixmap_opened);
3273 if (ctree_row->mask_opened)
3274 g_object_unref (ctree_row->mask_opened);
3275 }
3276
3277 if (ctree_row->row.destroy)
3278 {
3279 GDestroyNotify dnotify = ctree_row->row.destroy;
3280 gpointer ddata = ctree_row->row.data;
3281
3282 ctree_row->row.destroy = NULL;
3283 ctree_row->row.data = NULL;
3284
3285 dnotify (ddata);
3286 }
3287
3288 g_slice_free1 (sizeof (GtkCell) * clist->columns, ctree_row->row.cell);
3289 g_slice_free (GtkCTreeRow, ctree_row);
3290 }
3291
3292 static void
real_select_row(GtkCList * clist,gint row,gint column,GdkEvent * event)3293 real_select_row (GtkCList *clist,
3294 gint row,
3295 gint column,
3296 GdkEvent *event)
3297 {
3298 GList *node;
3299
3300 g_return_if_fail (GTK_IS_CTREE (clist));
3301
3302 if ((node = g_list_nth (clist->row_list, row)) &&
3303 GTK_CTREE_ROW (node)->row.selectable)
3304 gtk_signal_emit (GTK_OBJECT (clist), ctree_signals[TREE_SELECT_ROW],
3305 node, column);
3306 }
3307
3308 static void
real_unselect_row(GtkCList * clist,gint row,gint column,GdkEvent * event)3309 real_unselect_row (GtkCList *clist,
3310 gint row,
3311 gint column,
3312 GdkEvent *event)
3313 {
3314 GList *node;
3315
3316 g_return_if_fail (GTK_IS_CTREE (clist));
3317
3318 if ((node = g_list_nth (clist->row_list, row)))
3319 gtk_signal_emit (GTK_OBJECT (clist), ctree_signals[TREE_UNSELECT_ROW],
3320 node, column);
3321 }
3322
3323 static void
real_tree_select(GtkCTree * ctree,GtkCTreeNode * node,gint column)3324 real_tree_select (GtkCTree *ctree,
3325 GtkCTreeNode *node,
3326 gint column)
3327 {
3328 GtkCList *clist;
3329 GList *list;
3330 GtkCTreeNode *sel_row;
3331 gboolean node_selected;
3332
3333 g_return_if_fail (GTK_IS_CTREE (ctree));
3334
3335 if (!node || GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED ||
3336 !GTK_CTREE_ROW (node)->row.selectable)
3337 return;
3338
3339 clist = GTK_CLIST (ctree);
3340
3341 switch (clist->selection_mode)
3342 {
3343 case GTK_SELECTION_SINGLE:
3344 case GTK_SELECTION_BROWSE:
3345
3346 node_selected = FALSE;
3347 list = clist->selection;
3348
3349 while (list)
3350 {
3351 sel_row = list->data;
3352 list = list->next;
3353
3354 if (node == sel_row)
3355 node_selected = TRUE;
3356 else
3357 gtk_signal_emit (GTK_OBJECT (ctree),
3358 ctree_signals[TREE_UNSELECT_ROW], sel_row, column);
3359 }
3360
3361 if (node_selected)
3362 return;
3363
3364 default:
3365 break;
3366 }
3367
3368 GTK_CTREE_ROW (node)->row.state = GTK_STATE_SELECTED;
3369
3370 if (!clist->selection)
3371 {
3372 clist->selection = g_list_append (clist->selection, node);
3373 clist->selection_end = clist->selection;
3374 }
3375 else
3376 clist->selection_end = g_list_append (clist->selection_end, node)->next;
3377
3378 tree_draw_node (ctree, node);
3379 }
3380
3381 static void
real_tree_unselect(GtkCTree * ctree,GtkCTreeNode * node,gint column)3382 real_tree_unselect (GtkCTree *ctree,
3383 GtkCTreeNode *node,
3384 gint column)
3385 {
3386 GtkCList *clist;
3387
3388 g_return_if_fail (GTK_IS_CTREE (ctree));
3389
3390 if (!node || GTK_CTREE_ROW (node)->row.state != GTK_STATE_SELECTED)
3391 return;
3392
3393 clist = GTK_CLIST (ctree);
3394
3395 if (clist->selection_end && clist->selection_end->data == node)
3396 clist->selection_end = clist->selection_end->prev;
3397
3398 clist->selection = g_list_remove (clist->selection, node);
3399
3400 GTK_CTREE_ROW (node)->row.state = GTK_STATE_NORMAL;
3401
3402 tree_draw_node (ctree, node);
3403 }
3404
3405 static void
select_row_recursive(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)3406 select_row_recursive (GtkCTree *ctree,
3407 GtkCTreeNode *node,
3408 gpointer data)
3409 {
3410 if (!node || GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED ||
3411 !GTK_CTREE_ROW (node)->row.selectable)
3412 return;
3413
3414 GTK_CLIST (ctree)->undo_unselection =
3415 g_list_prepend (GTK_CLIST (ctree)->undo_unselection, node);
3416 gtk_ctree_select (ctree, node);
3417 }
3418
3419 static void
real_select_all(GtkCList * clist)3420 real_select_all (GtkCList *clist)
3421 {
3422 GtkCTree *ctree;
3423 GtkCTreeNode *node;
3424
3425 g_return_if_fail (GTK_IS_CTREE (clist));
3426
3427 ctree = GTK_CTREE (clist);
3428
3429 switch (clist->selection_mode)
3430 {
3431 case GTK_SELECTION_SINGLE:
3432 case GTK_SELECTION_BROWSE:
3433 return;
3434
3435 case GTK_SELECTION_MULTIPLE:
3436
3437 gtk_clist_freeze (clist);
3438
3439 g_list_free (clist->undo_selection);
3440 g_list_free (clist->undo_unselection);
3441 clist->undo_selection = NULL;
3442 clist->undo_unselection = NULL;
3443
3444 clist->anchor_state = GTK_STATE_SELECTED;
3445 clist->anchor = -1;
3446 clist->drag_pos = -1;
3447 clist->undo_anchor = clist->focus_row;
3448
3449 for (node = GTK_CTREE_NODE (clist->row_list); node;
3450 node = GTK_CTREE_NODE_NEXT (node))
3451 gtk_ctree_pre_recursive (ctree, node, select_row_recursive, NULL);
3452
3453 gtk_clist_thaw (clist);
3454 break;
3455
3456 default:
3457 /* do nothing */
3458 break;
3459 }
3460 }
3461
3462 static void
real_unselect_all(GtkCList * clist)3463 real_unselect_all (GtkCList *clist)
3464 {
3465 GtkCTree *ctree;
3466 GtkCTreeNode *node;
3467 GList *list;
3468
3469 g_return_if_fail (GTK_IS_CTREE (clist));
3470
3471 ctree = GTK_CTREE (clist);
3472
3473 switch (clist->selection_mode)
3474 {
3475 case GTK_SELECTION_BROWSE:
3476 if (clist->focus_row >= 0)
3477 {
3478 gtk_ctree_select
3479 (ctree,
3480 GTK_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row)));
3481 return;
3482 }
3483 break;
3484
3485 case GTK_SELECTION_MULTIPLE:
3486 g_list_free (clist->undo_selection);
3487 g_list_free (clist->undo_unselection);
3488 clist->undo_selection = NULL;
3489 clist->undo_unselection = NULL;
3490
3491 clist->anchor = -1;
3492 clist->drag_pos = -1;
3493 clist->undo_anchor = clist->focus_row;
3494 break;
3495
3496 default:
3497 break;
3498 }
3499
3500 list = clist->selection;
3501
3502 while (list)
3503 {
3504 node = list->data;
3505 list = list->next;
3506 gtk_ctree_unselect (ctree, node);
3507 }
3508 }
3509
3510 static gboolean
ctree_is_hot_spot(GtkCTree * ctree,GtkCTreeNode * node,gint row,gint x,gint y)3511 ctree_is_hot_spot (GtkCTree *ctree,
3512 GtkCTreeNode *node,
3513 gint row,
3514 gint x,
3515 gint y)
3516 {
3517 GtkCTreeRow *tree_row;
3518 GtkCList *clist;
3519 gint xl;
3520 gint yu;
3521
3522 g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE);
3523 g_return_val_if_fail (node != NULL, FALSE);
3524
3525 clist = GTK_CLIST (ctree);
3526
3527 if (!clist->column[ctree->tree_column].visible ||
3528 ctree->expander_style == GTK_CTREE_EXPANDER_NONE)
3529 return FALSE;
3530
3531 tree_row = GTK_CTREE_ROW (node);
3532
3533 yu = (ROW_TOP_YPIXEL (clist, row) + (clist->row_height - PM_SIZE) / 2 -
3534 (clist->row_height - 1) % 2);
3535
3536 if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_RIGHT)
3537 xl = (clist->column[ctree->tree_column].area.x +
3538 clist->column[ctree->tree_column].area.width - 1 + clist->hoffset -
3539 (tree_row->level - 1) * ctree->tree_indent - PM_SIZE -
3540 (ctree->line_style == GTK_CTREE_LINES_TABBED) * 3);
3541 else
3542 xl = (clist->column[ctree->tree_column].area.x + clist->hoffset +
3543 (tree_row->level - 1) * ctree->tree_indent +
3544 (ctree->line_style == GTK_CTREE_LINES_TABBED) * 3);
3545
3546 return (x >= xl && x <= xl + PM_SIZE && y >= yu && y <= yu + PM_SIZE);
3547 }
3548
3549 /***********************************************************
3550 ***********************************************************
3551 *** Public interface ***
3552 ***********************************************************
3553 ***********************************************************/
3554
3555
3556 /***********************************************************
3557 * Creation, insertion, deletion *
3558 ***********************************************************/
3559
3560 static GObject*
gtk_ctree_constructor(GType type,guint n_construct_properties,GObjectConstructParam * construct_properties)3561 gtk_ctree_constructor (GType type,
3562 guint n_construct_properties,
3563 GObjectConstructParam *construct_properties)
3564 {
3565 GObject *object = G_OBJECT_CLASS (parent_class)->constructor (type,
3566 n_construct_properties,
3567 construct_properties);
3568
3569 return object;
3570 }
3571
3572 GtkWidget*
gtk_ctree_new_with_titles(gint columns,gint tree_column,gchar * titles[])3573 gtk_ctree_new_with_titles (gint columns,
3574 gint tree_column,
3575 gchar *titles[])
3576 {
3577 GtkWidget *widget;
3578
3579 g_return_val_if_fail (columns > 0, NULL);
3580 g_return_val_if_fail (tree_column >= 0 && tree_column < columns, NULL);
3581
3582 widget = g_object_new (GTK_TYPE_CTREE,
3583 "n_columns", columns,
3584 "tree_column", tree_column,
3585 NULL);
3586 if (titles)
3587 {
3588 GtkCList *clist = GTK_CLIST (widget);
3589 guint i;
3590
3591 for (i = 0; i < columns; i++)
3592 gtk_clist_set_column_title (clist, i, titles[i]);
3593 gtk_clist_column_titles_show (clist);
3594 }
3595
3596 return widget;
3597 }
3598
3599 GtkWidget *
gtk_ctree_new(gint columns,gint tree_column)3600 gtk_ctree_new (gint columns,
3601 gint tree_column)
3602 {
3603 return gtk_ctree_new_with_titles (columns, tree_column, NULL);
3604 }
3605
3606 static gint
real_insert_row(GtkCList * clist,gint row,gchar * text[])3607 real_insert_row (GtkCList *clist,
3608 gint row,
3609 gchar *text[])
3610 {
3611 GtkCTreeNode *parent = NULL;
3612 GtkCTreeNode *sibling;
3613 GtkCTreeNode *node;
3614
3615 g_return_val_if_fail (GTK_IS_CTREE (clist), -1);
3616
3617 sibling = GTK_CTREE_NODE (g_list_nth (clist->row_list, row));
3618 if (sibling)
3619 parent = GTK_CTREE_ROW (sibling)->parent;
3620
3621 node = gtk_ctree_insert_node (GTK_CTREE (clist), parent, sibling, text, 5,
3622 NULL, NULL, NULL, NULL, TRUE, FALSE);
3623
3624 if (GTK_CLIST_AUTO_SORT (clist) || !sibling)
3625 return g_list_position (clist->row_list, (GList *) node);
3626
3627 return row;
3628 }
3629
3630
3631 /**
3632 * gtk_ctree_insert_node:
3633 * @pixmap_closed: (allow-none):
3634 * @mask_closed: (allow-none):
3635 * @pixmap_opened: (allow-none):
3636 * @mask_opened: (allow-none):
3637 */
3638 GtkCTreeNode *
gtk_ctree_insert_node(GtkCTree * ctree,GtkCTreeNode * parent,GtkCTreeNode * sibling,gchar * text[],guint8 spacing,GdkPixmap * pixmap_closed,GdkBitmap * mask_closed,GdkPixmap * pixmap_opened,GdkBitmap * mask_opened,gboolean is_leaf,gboolean expanded)3639 gtk_ctree_insert_node (GtkCTree *ctree,
3640 GtkCTreeNode *parent,
3641 GtkCTreeNode *sibling,
3642 gchar *text[],
3643 guint8 spacing,
3644 GdkPixmap *pixmap_closed,
3645 GdkBitmap *mask_closed,
3646 GdkPixmap *pixmap_opened,
3647 GdkBitmap *mask_opened,
3648 gboolean is_leaf,
3649 gboolean expanded)
3650 {
3651 GtkCList *clist;
3652 GtkCTreeRow *new_row;
3653 GtkCTreeNode *node;
3654 GList *list;
3655 gint i;
3656
3657 g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
3658 if (sibling)
3659 g_return_val_if_fail (GTK_CTREE_ROW (sibling)->parent == parent, NULL);
3660
3661 if (parent && GTK_CTREE_ROW (parent)->is_leaf)
3662 return NULL;
3663
3664 clist = GTK_CLIST (ctree);
3665
3666 /* create the row */
3667 new_row = row_new (ctree);
3668 list = g_list_alloc ();
3669 list->data = new_row;
3670 node = GTK_CTREE_NODE (list);
3671
3672 if (text)
3673 for (i = 0; i < clist->columns; i++)
3674 if (text[i] && i != ctree->tree_column)
3675 GTK_CLIST_GET_CLASS (clist)->set_cell_contents
3676 (clist, &(new_row->row), i, GTK_CELL_TEXT, text[i], 0, NULL, NULL);
3677
3678 set_node_info (ctree, node, text ?
3679 text[ctree->tree_column] : NULL, spacing, pixmap_closed,
3680 mask_closed, pixmap_opened, mask_opened, is_leaf, expanded);
3681
3682 /* sorted insertion */
3683 if (GTK_CLIST_AUTO_SORT (clist))
3684 {
3685 if (parent)
3686 sibling = GTK_CTREE_ROW (parent)->children;
3687 else
3688 sibling = GTK_CTREE_NODE (clist->row_list);
3689
3690 while (sibling && clist->compare
3691 (clist, GTK_CTREE_ROW (node), GTK_CTREE_ROW (sibling)) > 0)
3692 sibling = GTK_CTREE_ROW (sibling)->sibling;
3693 }
3694
3695 gtk_ctree_link (ctree, node, parent, sibling, TRUE);
3696
3697 if (text && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist) &&
3698 gtk_ctree_is_viewable (ctree, node))
3699 {
3700 for (i = 0; i < clist->columns; i++)
3701 if (clist->column[i].auto_resize)
3702 column_auto_resize (clist, &(new_row->row), i, 0);
3703 }
3704
3705 if (clist->rows == 1)
3706 {
3707 clist->focus_row = 0;
3708 if (clist->selection_mode == GTK_SELECTION_BROWSE)
3709 gtk_ctree_select (ctree, node);
3710 }
3711
3712
3713 CLIST_REFRESH (clist);
3714
3715 return node;
3716 }
3717
3718 GtkCTreeNode *
gtk_ctree_insert_gnode(GtkCTree * ctree,GtkCTreeNode * parent,GtkCTreeNode * sibling,GNode * gnode,GtkCTreeGNodeFunc func,gpointer data)3719 gtk_ctree_insert_gnode (GtkCTree *ctree,
3720 GtkCTreeNode *parent,
3721 GtkCTreeNode *sibling,
3722 GNode *gnode,
3723 GtkCTreeGNodeFunc func,
3724 gpointer data)
3725 {
3726 GtkCList *clist;
3727 GtkCTreeNode *cnode = NULL;
3728 GtkCTreeNode *child = NULL;
3729 GtkCTreeNode *new_child;
3730 GList *list;
3731 GNode *work;
3732 guint depth = 1;
3733
3734 g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
3735 g_return_val_if_fail (gnode != NULL, NULL);
3736 g_return_val_if_fail (func != NULL, NULL);
3737 if (sibling)
3738 g_return_val_if_fail (GTK_CTREE_ROW (sibling)->parent == parent, NULL);
3739
3740 clist = GTK_CLIST (ctree);
3741
3742 if (parent)
3743 depth = GTK_CTREE_ROW (parent)->level + 1;
3744
3745 list = g_list_alloc ();
3746 list->data = row_new (ctree);
3747 cnode = GTK_CTREE_NODE (list);
3748
3749 gtk_clist_freeze (clist);
3750
3751 set_node_info (ctree, cnode, "", 0, NULL, NULL, NULL, NULL, TRUE, FALSE);
3752
3753 if (!func (ctree, depth, gnode, cnode, data))
3754 {
3755 tree_delete_row (ctree, cnode, NULL);
3756 gtk_clist_thaw (clist);
3757 return NULL;
3758 }
3759
3760 if (GTK_CLIST_AUTO_SORT (clist))
3761 {
3762 if (parent)
3763 sibling = GTK_CTREE_ROW (parent)->children;
3764 else
3765 sibling = GTK_CTREE_NODE (clist->row_list);
3766
3767 while (sibling && clist->compare
3768 (clist, GTK_CTREE_ROW (cnode), GTK_CTREE_ROW (sibling)) > 0)
3769 sibling = GTK_CTREE_ROW (sibling)->sibling;
3770 }
3771
3772 gtk_ctree_link (ctree, cnode, parent, sibling, TRUE);
3773
3774 for (work = g_node_last_child (gnode); work; work = work->prev)
3775 {
3776 new_child = gtk_ctree_insert_gnode (ctree, cnode, child,
3777 work, func, data);
3778 if (new_child)
3779 child = new_child;
3780 }
3781
3782 gtk_clist_thaw (clist);
3783
3784 return cnode;
3785 }
3786
3787 GNode *
gtk_ctree_export_to_gnode(GtkCTree * ctree,GNode * parent,GNode * sibling,GtkCTreeNode * node,GtkCTreeGNodeFunc func,gpointer data)3788 gtk_ctree_export_to_gnode (GtkCTree *ctree,
3789 GNode *parent,
3790 GNode *sibling,
3791 GtkCTreeNode *node,
3792 GtkCTreeGNodeFunc func,
3793 gpointer data)
3794 {
3795 GtkCTreeNode *work;
3796 GNode *gnode;
3797 gint depth;
3798
3799 g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
3800 g_return_val_if_fail (node != NULL, NULL);
3801 g_return_val_if_fail (func != NULL, NULL);
3802 if (sibling)
3803 {
3804 g_return_val_if_fail (parent != NULL, NULL);
3805 g_return_val_if_fail (sibling->parent == parent, NULL);
3806 }
3807
3808 gnode = g_node_new (NULL);
3809 depth = g_node_depth (parent) + 1;
3810
3811 if (!func (ctree, depth, gnode, node, data))
3812 {
3813 g_node_destroy (gnode);
3814 return NULL;
3815 }
3816
3817 if (parent)
3818 g_node_insert_before (parent, sibling, gnode);
3819
3820 if (!GTK_CTREE_ROW (node)->is_leaf)
3821 {
3822 GNode *new_sibling = NULL;
3823
3824 for (work = GTK_CTREE_ROW (node)->children; work;
3825 work = GTK_CTREE_ROW (work)->sibling)
3826 new_sibling = gtk_ctree_export_to_gnode (ctree, gnode, new_sibling,
3827 work, func, data);
3828
3829 g_node_reverse_children (gnode);
3830 }
3831
3832 return gnode;
3833 }
3834
3835 static void
real_remove_row(GtkCList * clist,gint row)3836 real_remove_row (GtkCList *clist,
3837 gint row)
3838 {
3839 GtkCTreeNode *node;
3840
3841 g_return_if_fail (GTK_IS_CTREE (clist));
3842
3843 node = GTK_CTREE_NODE (g_list_nth (clist->row_list, row));
3844
3845 if (node)
3846 gtk_ctree_remove_node (GTK_CTREE (clist), node);
3847 }
3848
3849 void
gtk_ctree_remove_node(GtkCTree * ctree,GtkCTreeNode * node)3850 gtk_ctree_remove_node (GtkCTree *ctree,
3851 GtkCTreeNode *node)
3852 {
3853 GtkCList *clist;
3854
3855 g_return_if_fail (GTK_IS_CTREE (ctree));
3856
3857 clist = GTK_CLIST (ctree);
3858
3859 gtk_clist_freeze (clist);
3860
3861 if (node)
3862 {
3863 gtk_ctree_unlink (ctree, node, TRUE);
3864 gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_delete),
3865 NULL);
3866 if (clist->selection_mode == GTK_SELECTION_BROWSE && !clist->selection &&
3867 clist->focus_row >= 0)
3868 gtk_clist_select_row (clist, clist->focus_row, -1);
3869
3870 auto_resize_columns (clist);
3871 }
3872 else
3873 gtk_clist_clear (clist);
3874
3875 gtk_clist_thaw (clist);
3876 }
3877
3878 static void
real_clear(GtkCList * clist)3879 real_clear (GtkCList *clist)
3880 {
3881 GtkCTree *ctree;
3882 GtkCTreeNode *work;
3883 GtkCTreeNode *ptr;
3884
3885 g_return_if_fail (GTK_IS_CTREE (clist));
3886
3887 ctree = GTK_CTREE (clist);
3888
3889 /* remove all rows */
3890 work = GTK_CTREE_NODE (clist->row_list);
3891 clist->row_list = NULL;
3892 clist->row_list_end = NULL;
3893
3894 GTK_CLIST_SET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
3895 while (work)
3896 {
3897 ptr = work;
3898 work = GTK_CTREE_ROW (work)->sibling;
3899 gtk_ctree_post_recursive (ctree, ptr, GTK_CTREE_FUNC (tree_delete_row),
3900 NULL);
3901 }
3902 GTK_CLIST_UNSET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
3903
3904 parent_class->clear (clist);
3905 }
3906
3907
3908 /***********************************************************
3909 * Generic recursive functions, querying / finding tree *
3910 * information *
3911 ***********************************************************/
3912
3913
3914 void
gtk_ctree_post_recursive(GtkCTree * ctree,GtkCTreeNode * node,GtkCTreeFunc func,gpointer data)3915 gtk_ctree_post_recursive (GtkCTree *ctree,
3916 GtkCTreeNode *node,
3917 GtkCTreeFunc func,
3918 gpointer data)
3919 {
3920 GtkCTreeNode *work;
3921 GtkCTreeNode *tmp;
3922
3923 g_return_if_fail (GTK_IS_CTREE (ctree));
3924 g_return_if_fail (func != NULL);
3925
3926 if (node)
3927 work = GTK_CTREE_ROW (node)->children;
3928 else
3929 work = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
3930
3931 while (work)
3932 {
3933 tmp = GTK_CTREE_ROW (work)->sibling;
3934 gtk_ctree_post_recursive (ctree, work, func, data);
3935 work = tmp;
3936 }
3937
3938 if (node)
3939 func (ctree, node, data);
3940 }
3941
3942 void
gtk_ctree_post_recursive_to_depth(GtkCTree * ctree,GtkCTreeNode * node,gint depth,GtkCTreeFunc func,gpointer data)3943 gtk_ctree_post_recursive_to_depth (GtkCTree *ctree,
3944 GtkCTreeNode *node,
3945 gint depth,
3946 GtkCTreeFunc func,
3947 gpointer data)
3948 {
3949 GtkCTreeNode *work;
3950 GtkCTreeNode *tmp;
3951
3952 g_return_if_fail (GTK_IS_CTREE (ctree));
3953 g_return_if_fail (func != NULL);
3954
3955 if (depth < 0)
3956 {
3957 gtk_ctree_post_recursive (ctree, node, func, data);
3958 return;
3959 }
3960
3961 if (node)
3962 work = GTK_CTREE_ROW (node)->children;
3963 else
3964 work = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
3965
3966 if (work && GTK_CTREE_ROW (work)->level <= depth)
3967 {
3968 while (work)
3969 {
3970 tmp = GTK_CTREE_ROW (work)->sibling;
3971 gtk_ctree_post_recursive_to_depth (ctree, work, depth, func, data);
3972 work = tmp;
3973 }
3974 }
3975
3976 if (node && GTK_CTREE_ROW (node)->level <= depth)
3977 func (ctree, node, data);
3978 }
3979
3980 void
gtk_ctree_pre_recursive(GtkCTree * ctree,GtkCTreeNode * node,GtkCTreeFunc func,gpointer data)3981 gtk_ctree_pre_recursive (GtkCTree *ctree,
3982 GtkCTreeNode *node,
3983 GtkCTreeFunc func,
3984 gpointer data)
3985 {
3986 GtkCTreeNode *work;
3987 GtkCTreeNode *tmp;
3988
3989 g_return_if_fail (GTK_IS_CTREE (ctree));
3990 g_return_if_fail (func != NULL);
3991
3992 if (node)
3993 {
3994 work = GTK_CTREE_ROW (node)->children;
3995 func (ctree, node, data);
3996 }
3997 else
3998 work = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
3999
4000 while (work)
4001 {
4002 tmp = GTK_CTREE_ROW (work)->sibling;
4003 gtk_ctree_pre_recursive (ctree, work, func, data);
4004 work = tmp;
4005 }
4006 }
4007
4008 void
gtk_ctree_pre_recursive_to_depth(GtkCTree * ctree,GtkCTreeNode * node,gint depth,GtkCTreeFunc func,gpointer data)4009 gtk_ctree_pre_recursive_to_depth (GtkCTree *ctree,
4010 GtkCTreeNode *node,
4011 gint depth,
4012 GtkCTreeFunc func,
4013 gpointer data)
4014 {
4015 GtkCTreeNode *work;
4016 GtkCTreeNode *tmp;
4017
4018 g_return_if_fail (GTK_IS_CTREE (ctree));
4019 g_return_if_fail (func != NULL);
4020
4021 if (depth < 0)
4022 {
4023 gtk_ctree_pre_recursive (ctree, node, func, data);
4024 return;
4025 }
4026
4027 if (node)
4028 {
4029 work = GTK_CTREE_ROW (node)->children;
4030 if (GTK_CTREE_ROW (node)->level <= depth)
4031 func (ctree, node, data);
4032 }
4033 else
4034 work = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
4035
4036 if (work && GTK_CTREE_ROW (work)->level <= depth)
4037 {
4038 while (work)
4039 {
4040 tmp = GTK_CTREE_ROW (work)->sibling;
4041 gtk_ctree_pre_recursive_to_depth (ctree, work, depth, func, data);
4042 work = tmp;
4043 }
4044 }
4045 }
4046
4047 gboolean
gtk_ctree_is_viewable(GtkCTree * ctree,GtkCTreeNode * node)4048 gtk_ctree_is_viewable (GtkCTree *ctree,
4049 GtkCTreeNode *node)
4050 {
4051 GtkCTreeRow *work;
4052
4053 g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE);
4054 g_return_val_if_fail (node != NULL, FALSE);
4055
4056 work = GTK_CTREE_ROW (node);
4057
4058 while (work->parent && GTK_CTREE_ROW (work->parent)->expanded)
4059 work = GTK_CTREE_ROW (work->parent);
4060
4061 if (!work->parent)
4062 return TRUE;
4063
4064 return FALSE;
4065 }
4066
4067 GtkCTreeNode *
gtk_ctree_last(GtkCTree * ctree,GtkCTreeNode * node)4068 gtk_ctree_last (GtkCTree *ctree,
4069 GtkCTreeNode *node)
4070 {
4071 g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
4072
4073 if (!node)
4074 return NULL;
4075
4076 while (GTK_CTREE_ROW (node)->sibling)
4077 node = GTK_CTREE_ROW (node)->sibling;
4078
4079 if (GTK_CTREE_ROW (node)->children)
4080 return gtk_ctree_last (ctree, GTK_CTREE_ROW (node)->children);
4081
4082 return node;
4083 }
4084
4085 GtkCTreeNode *
gtk_ctree_find_node_ptr(GtkCTree * ctree,GtkCTreeRow * ctree_row)4086 gtk_ctree_find_node_ptr (GtkCTree *ctree,
4087 GtkCTreeRow *ctree_row)
4088 {
4089 GtkCTreeNode *node;
4090
4091 g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
4092 g_return_val_if_fail (ctree_row != NULL, NULL);
4093
4094 if (ctree_row->parent)
4095 node = GTK_CTREE_ROW (ctree_row->parent)->children;
4096 else
4097 node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
4098
4099 while (GTK_CTREE_ROW (node) != ctree_row)
4100 node = GTK_CTREE_ROW (node)->sibling;
4101
4102 return node;
4103 }
4104
4105 GtkCTreeNode *
gtk_ctree_node_nth(GtkCTree * ctree,guint row)4106 gtk_ctree_node_nth (GtkCTree *ctree,
4107 guint row)
4108 {
4109 g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
4110
4111 if ((row >= GTK_CLIST(ctree)->rows))
4112 return NULL;
4113
4114 return GTK_CTREE_NODE (g_list_nth (GTK_CLIST (ctree)->row_list, row));
4115 }
4116
4117 gboolean
gtk_ctree_find(GtkCTree * ctree,GtkCTreeNode * node,GtkCTreeNode * child)4118 gtk_ctree_find (GtkCTree *ctree,
4119 GtkCTreeNode *node,
4120 GtkCTreeNode *child)
4121 {
4122 if (!child)
4123 return FALSE;
4124
4125 if (!node)
4126 node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
4127
4128 while (node)
4129 {
4130 if (node == child)
4131 return TRUE;
4132 if (GTK_CTREE_ROW (node)->children)
4133 {
4134 if (gtk_ctree_find (ctree, GTK_CTREE_ROW (node)->children, child))
4135 return TRUE;
4136 }
4137 node = GTK_CTREE_ROW (node)->sibling;
4138 }
4139 return FALSE;
4140 }
4141
4142 gboolean
gtk_ctree_is_ancestor(GtkCTree * ctree,GtkCTreeNode * node,GtkCTreeNode * child)4143 gtk_ctree_is_ancestor (GtkCTree *ctree,
4144 GtkCTreeNode *node,
4145 GtkCTreeNode *child)
4146 {
4147 g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE);
4148 g_return_val_if_fail (node != NULL, FALSE);
4149
4150 if (GTK_CTREE_ROW (node)->children)
4151 return gtk_ctree_find (ctree, GTK_CTREE_ROW (node)->children, child);
4152
4153 return FALSE;
4154 }
4155
4156 GtkCTreeNode *
gtk_ctree_find_by_row_data(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)4157 gtk_ctree_find_by_row_data (GtkCTree *ctree,
4158 GtkCTreeNode *node,
4159 gpointer data)
4160 {
4161 GtkCTreeNode *work;
4162
4163 if (!node)
4164 node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
4165
4166 while (node)
4167 {
4168 if (GTK_CTREE_ROW (node)->row.data == data)
4169 return node;
4170 if (GTK_CTREE_ROW (node)->children &&
4171 (work = gtk_ctree_find_by_row_data
4172 (ctree, GTK_CTREE_ROW (node)->children, data)))
4173 return work;
4174 node = GTK_CTREE_ROW (node)->sibling;
4175 }
4176 return NULL;
4177 }
4178
4179 GList *
gtk_ctree_find_all_by_row_data(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)4180 gtk_ctree_find_all_by_row_data (GtkCTree *ctree,
4181 GtkCTreeNode *node,
4182 gpointer data)
4183 {
4184 GList *list = NULL;
4185
4186 g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
4187
4188 /* if node == NULL then look in the whole tree */
4189 if (!node)
4190 node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
4191
4192 while (node)
4193 {
4194 if (GTK_CTREE_ROW (node)->row.data == data)
4195 list = g_list_append (list, node);
4196
4197 if (GTK_CTREE_ROW (node)->children)
4198 {
4199 GList *sub_list;
4200
4201 sub_list = gtk_ctree_find_all_by_row_data (ctree,
4202 GTK_CTREE_ROW
4203 (node)->children,
4204 data);
4205 list = g_list_concat (list, sub_list);
4206 }
4207 node = GTK_CTREE_ROW (node)->sibling;
4208 }
4209 return list;
4210 }
4211
4212 GtkCTreeNode *
gtk_ctree_find_by_row_data_custom(GtkCTree * ctree,GtkCTreeNode * node,gpointer data,GCompareFunc func)4213 gtk_ctree_find_by_row_data_custom (GtkCTree *ctree,
4214 GtkCTreeNode *node,
4215 gpointer data,
4216 GCompareFunc func)
4217 {
4218 GtkCTreeNode *work;
4219
4220 g_return_val_if_fail (func != NULL, NULL);
4221
4222 if (!node)
4223 node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
4224
4225 while (node)
4226 {
4227 if (!func (GTK_CTREE_ROW (node)->row.data, data))
4228 return node;
4229 if (GTK_CTREE_ROW (node)->children &&
4230 (work = gtk_ctree_find_by_row_data_custom
4231 (ctree, GTK_CTREE_ROW (node)->children, data, func)))
4232 return work;
4233 node = GTK_CTREE_ROW (node)->sibling;
4234 }
4235 return NULL;
4236 }
4237
4238 GList *
gtk_ctree_find_all_by_row_data_custom(GtkCTree * ctree,GtkCTreeNode * node,gpointer data,GCompareFunc func)4239 gtk_ctree_find_all_by_row_data_custom (GtkCTree *ctree,
4240 GtkCTreeNode *node,
4241 gpointer data,
4242 GCompareFunc func)
4243 {
4244 GList *list = NULL;
4245
4246 g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
4247 g_return_val_if_fail (func != NULL, NULL);
4248
4249 /* if node == NULL then look in the whole tree */
4250 if (!node)
4251 node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);
4252
4253 while (node)
4254 {
4255 if (!func (GTK_CTREE_ROW (node)->row.data, data))
4256 list = g_list_append (list, node);
4257
4258 if (GTK_CTREE_ROW (node)->children)
4259 {
4260 GList *sub_list;
4261
4262 sub_list = gtk_ctree_find_all_by_row_data_custom (ctree,
4263 GTK_CTREE_ROW
4264 (node)->children,
4265 data,
4266 func);
4267 list = g_list_concat (list, sub_list);
4268 }
4269 node = GTK_CTREE_ROW (node)->sibling;
4270 }
4271 return list;
4272 }
4273
4274 gboolean
gtk_ctree_is_hot_spot(GtkCTree * ctree,gint x,gint y)4275 gtk_ctree_is_hot_spot (GtkCTree *ctree,
4276 gint x,
4277 gint y)
4278 {
4279 GtkCTreeNode *node;
4280 gint column;
4281 gint row;
4282
4283 g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE);
4284
4285 if (gtk_clist_get_selection_info (GTK_CLIST (ctree), x, y, &row, &column))
4286 if ((node = GTK_CTREE_NODE(g_list_nth (GTK_CLIST (ctree)->row_list, row))))
4287 return ctree_is_hot_spot (ctree, node, row, x, y);
4288
4289 return FALSE;
4290 }
4291
4292
4293 /***********************************************************
4294 * Tree signals : move, expand, collapse, (un)select *
4295 ***********************************************************/
4296
4297
4298 /**
4299 * gtk_ctree_move:
4300 * @new_parent: (allow-none):
4301 * @new_sibling: (allow-none):
4302 */
4303 void
gtk_ctree_move(GtkCTree * ctree,GtkCTreeNode * node,GtkCTreeNode * new_parent,GtkCTreeNode * new_sibling)4304 gtk_ctree_move (GtkCTree *ctree,
4305 GtkCTreeNode *node,
4306 GtkCTreeNode *new_parent,
4307 GtkCTreeNode *new_sibling)
4308 {
4309 g_return_if_fail (GTK_IS_CTREE (ctree));
4310 g_return_if_fail (node != NULL);
4311
4312 gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_MOVE], node,
4313 new_parent, new_sibling);
4314 }
4315
4316 void
gtk_ctree_expand(GtkCTree * ctree,GtkCTreeNode * node)4317 gtk_ctree_expand (GtkCTree *ctree,
4318 GtkCTreeNode *node)
4319 {
4320 g_return_if_fail (GTK_IS_CTREE (ctree));
4321 g_return_if_fail (node != NULL);
4322
4323 if (GTK_CTREE_ROW (node)->is_leaf)
4324 return;
4325
4326 gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_EXPAND], node);
4327 }
4328
4329 void
gtk_ctree_expand_recursive(GtkCTree * ctree,GtkCTreeNode * node)4330 gtk_ctree_expand_recursive (GtkCTree *ctree,
4331 GtkCTreeNode *node)
4332 {
4333 GtkCList *clist;
4334 gboolean thaw = FALSE;
4335
4336 g_return_if_fail (GTK_IS_CTREE (ctree));
4337
4338 clist = GTK_CLIST (ctree);
4339
4340 if (node && GTK_CTREE_ROW (node)->is_leaf)
4341 return;
4342
4343 if (CLIST_UNFROZEN (clist) && (!node || gtk_ctree_is_viewable (ctree, node)))
4344 {
4345 gtk_clist_freeze (clist);
4346 thaw = TRUE;
4347 }
4348
4349 gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_expand), NULL);
4350
4351 if (thaw)
4352 gtk_clist_thaw (clist);
4353 }
4354
4355 void
gtk_ctree_expand_to_depth(GtkCTree * ctree,GtkCTreeNode * node,gint depth)4356 gtk_ctree_expand_to_depth (GtkCTree *ctree,
4357 GtkCTreeNode *node,
4358 gint depth)
4359 {
4360 GtkCList *clist;
4361 gboolean thaw = FALSE;
4362
4363 g_return_if_fail (GTK_IS_CTREE (ctree));
4364
4365 clist = GTK_CLIST (ctree);
4366
4367 if (node && GTK_CTREE_ROW (node)->is_leaf)
4368 return;
4369
4370 if (CLIST_UNFROZEN (clist) && (!node || gtk_ctree_is_viewable (ctree, node)))
4371 {
4372 gtk_clist_freeze (clist);
4373 thaw = TRUE;
4374 }
4375
4376 gtk_ctree_post_recursive_to_depth (ctree, node, depth,
4377 GTK_CTREE_FUNC (tree_expand), NULL);
4378
4379 if (thaw)
4380 gtk_clist_thaw (clist);
4381 }
4382
4383 void
gtk_ctree_collapse(GtkCTree * ctree,GtkCTreeNode * node)4384 gtk_ctree_collapse (GtkCTree *ctree,
4385 GtkCTreeNode *node)
4386 {
4387 g_return_if_fail (GTK_IS_CTREE (ctree));
4388 g_return_if_fail (node != NULL);
4389
4390 if (GTK_CTREE_ROW (node)->is_leaf)
4391 return;
4392
4393 gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], node);
4394 }
4395
4396 void
gtk_ctree_collapse_recursive(GtkCTree * ctree,GtkCTreeNode * node)4397 gtk_ctree_collapse_recursive (GtkCTree *ctree,
4398 GtkCTreeNode *node)
4399 {
4400 GtkCList *clist;
4401 gboolean thaw = FALSE;
4402 gint i;
4403
4404 g_return_if_fail (GTK_IS_CTREE (ctree));
4405
4406 if (node && GTK_CTREE_ROW (node)->is_leaf)
4407 return;
4408
4409 clist = GTK_CLIST (ctree);
4410
4411 if (CLIST_UNFROZEN (clist) && (!node || gtk_ctree_is_viewable (ctree, node)))
4412 {
4413 gtk_clist_freeze (clist);
4414 thaw = TRUE;
4415 }
4416
4417 GTK_CLIST_SET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
4418 gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_collapse), NULL);
4419 GTK_CLIST_UNSET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
4420 for (i = 0; i < clist->columns; i++)
4421 if (clist->column[i].auto_resize)
4422 gtk_clist_set_column_width (clist, i,
4423 gtk_clist_optimal_column_width (clist, i));
4424
4425 if (thaw)
4426 gtk_clist_thaw (clist);
4427 }
4428
4429 void
gtk_ctree_collapse_to_depth(GtkCTree * ctree,GtkCTreeNode * node,gint depth)4430 gtk_ctree_collapse_to_depth (GtkCTree *ctree,
4431 GtkCTreeNode *node,
4432 gint depth)
4433 {
4434 GtkCList *clist;
4435 gboolean thaw = FALSE;
4436 gint i;
4437
4438 g_return_if_fail (GTK_IS_CTREE (ctree));
4439
4440 if (node && GTK_CTREE_ROW (node)->is_leaf)
4441 return;
4442
4443 clist = GTK_CLIST (ctree);
4444
4445 if (CLIST_UNFROZEN (clist) && (!node || gtk_ctree_is_viewable (ctree, node)))
4446 {
4447 gtk_clist_freeze (clist);
4448 thaw = TRUE;
4449 }
4450
4451 GTK_CLIST_SET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
4452 gtk_ctree_post_recursive_to_depth (ctree, node, depth,
4453 GTK_CTREE_FUNC (tree_collapse_to_depth),
4454 GINT_TO_POINTER (depth));
4455 GTK_CLIST_UNSET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED);
4456 for (i = 0; i < clist->columns; i++)
4457 if (clist->column[i].auto_resize)
4458 gtk_clist_set_column_width (clist, i,
4459 gtk_clist_optimal_column_width (clist, i));
4460
4461 if (thaw)
4462 gtk_clist_thaw (clist);
4463 }
4464
4465 void
gtk_ctree_toggle_expansion(GtkCTree * ctree,GtkCTreeNode * node)4466 gtk_ctree_toggle_expansion (GtkCTree *ctree,
4467 GtkCTreeNode *node)
4468 {
4469 g_return_if_fail (GTK_IS_CTREE (ctree));
4470 g_return_if_fail (node != NULL);
4471
4472 if (GTK_CTREE_ROW (node)->is_leaf)
4473 return;
4474
4475 tree_toggle_expansion (ctree, node, NULL);
4476 }
4477
4478 void
gtk_ctree_toggle_expansion_recursive(GtkCTree * ctree,GtkCTreeNode * node)4479 gtk_ctree_toggle_expansion_recursive (GtkCTree *ctree,
4480 GtkCTreeNode *node)
4481 {
4482 GtkCList *clist;
4483 gboolean thaw = FALSE;
4484
4485 g_return_if_fail (GTK_IS_CTREE (ctree));
4486
4487 if (node && GTK_CTREE_ROW (node)->is_leaf)
4488 return;
4489
4490 clist = GTK_CLIST (ctree);
4491
4492 if (CLIST_UNFROZEN (clist) && (!node || gtk_ctree_is_viewable (ctree, node)))
4493 {
4494 gtk_clist_freeze (clist);
4495 thaw = TRUE;
4496 }
4497
4498 gtk_ctree_post_recursive (ctree, node,
4499 GTK_CTREE_FUNC (tree_toggle_expansion), NULL);
4500
4501 if (thaw)
4502 gtk_clist_thaw (clist);
4503 }
4504
4505 void
gtk_ctree_select(GtkCTree * ctree,GtkCTreeNode * node)4506 gtk_ctree_select (GtkCTree *ctree,
4507 GtkCTreeNode *node)
4508 {
4509 g_return_if_fail (GTK_IS_CTREE (ctree));
4510 g_return_if_fail (node != NULL);
4511
4512 if (GTK_CTREE_ROW (node)->row.selectable)
4513 gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
4514 node, -1);
4515 }
4516
4517 void
gtk_ctree_unselect(GtkCTree * ctree,GtkCTreeNode * node)4518 gtk_ctree_unselect (GtkCTree *ctree,
4519 GtkCTreeNode *node)
4520 {
4521 g_return_if_fail (GTK_IS_CTREE (ctree));
4522 g_return_if_fail (node != NULL);
4523
4524 gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW],
4525 node, -1);
4526 }
4527
4528 void
gtk_ctree_select_recursive(GtkCTree * ctree,GtkCTreeNode * node)4529 gtk_ctree_select_recursive (GtkCTree *ctree,
4530 GtkCTreeNode *node)
4531 {
4532 gtk_ctree_real_select_recursive (ctree, node, TRUE);
4533 }
4534
4535 void
gtk_ctree_unselect_recursive(GtkCTree * ctree,GtkCTreeNode * node)4536 gtk_ctree_unselect_recursive (GtkCTree *ctree,
4537 GtkCTreeNode *node)
4538 {
4539 gtk_ctree_real_select_recursive (ctree, node, FALSE);
4540 }
4541
4542 void
gtk_ctree_real_select_recursive(GtkCTree * ctree,GtkCTreeNode * node,gint state)4543 gtk_ctree_real_select_recursive (GtkCTree *ctree,
4544 GtkCTreeNode *node,
4545 gint state)
4546 {
4547 GtkCList *clist;
4548 gboolean thaw = FALSE;
4549
4550 g_return_if_fail (GTK_IS_CTREE (ctree));
4551
4552 clist = GTK_CLIST (ctree);
4553
4554 if ((state &&
4555 (clist->selection_mode == GTK_SELECTION_BROWSE ||
4556 clist->selection_mode == GTK_SELECTION_SINGLE)) ||
4557 (!state && clist->selection_mode == GTK_SELECTION_BROWSE))
4558 return;
4559
4560 if (CLIST_UNFROZEN (clist) && (!node || gtk_ctree_is_viewable (ctree, node)))
4561 {
4562 gtk_clist_freeze (clist);
4563 thaw = TRUE;
4564 }
4565
4566 if (clist->selection_mode == GTK_SELECTION_MULTIPLE)
4567 {
4568 GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
4569
4570 g_list_free (clist->undo_selection);
4571 g_list_free (clist->undo_unselection);
4572 clist->undo_selection = NULL;
4573 clist->undo_unselection = NULL;
4574 }
4575
4576 if (state)
4577 gtk_ctree_post_recursive (ctree, node,
4578 GTK_CTREE_FUNC (tree_select), NULL);
4579 else
4580 gtk_ctree_post_recursive (ctree, node,
4581 GTK_CTREE_FUNC (tree_unselect), NULL);
4582
4583 if (thaw)
4584 gtk_clist_thaw (clist);
4585 }
4586
4587
4588 /***********************************************************
4589 * Analogons of GtkCList functions *
4590 ***********************************************************/
4591
4592
4593 void
gtk_ctree_node_set_text(GtkCTree * ctree,GtkCTreeNode * node,gint column,const gchar * text)4594 gtk_ctree_node_set_text (GtkCTree *ctree,
4595 GtkCTreeNode *node,
4596 gint column,
4597 const gchar *text)
4598 {
4599 GtkCList *clist;
4600
4601 g_return_if_fail (GTK_IS_CTREE (ctree));
4602 g_return_if_fail (node != NULL);
4603
4604 if (column < 0 || column >= GTK_CLIST (ctree)->columns)
4605 return;
4606
4607 clist = GTK_CLIST (ctree);
4608
4609 GTK_CLIST_GET_CLASS (clist)->set_cell_contents
4610 (clist, &(GTK_CTREE_ROW (node)->row), column, GTK_CELL_TEXT,
4611 text, 0, NULL, NULL);
4612
4613 tree_draw_node (ctree, node);
4614 }
4615
4616
4617 /**
4618 * gtk_ctree_node_set_pixmap:
4619 * @mask: (allow-none):
4620 */
4621 void
gtk_ctree_node_set_pixmap(GtkCTree * ctree,GtkCTreeNode * node,gint column,GdkPixmap * pixmap,GdkBitmap * mask)4622 gtk_ctree_node_set_pixmap (GtkCTree *ctree,
4623 GtkCTreeNode *node,
4624 gint column,
4625 GdkPixmap *pixmap,
4626 GdkBitmap *mask)
4627 {
4628 GtkCList *clist;
4629
4630 g_return_if_fail (GTK_IS_CTREE (ctree));
4631 g_return_if_fail (node != NULL);
4632 g_return_if_fail (pixmap != NULL);
4633
4634 if (column < 0 || column >= GTK_CLIST (ctree)->columns)
4635 return;
4636
4637 g_object_ref (pixmap);
4638 if (mask)
4639 g_object_ref (mask);
4640
4641 clist = GTK_CLIST (ctree);
4642
4643 GTK_CLIST_GET_CLASS (clist)->set_cell_contents
4644 (clist, &(GTK_CTREE_ROW (node)->row), column, GTK_CELL_PIXMAP,
4645 NULL, 0, pixmap, mask);
4646
4647 tree_draw_node (ctree, node);
4648 }
4649
4650
4651 /**
4652 * gtk_ctree_node_set_pixtext:
4653 * @mask: (allow-none):
4654 */
4655 void
gtk_ctree_node_set_pixtext(GtkCTree * ctree,GtkCTreeNode * node,gint column,const gchar * text,guint8 spacing,GdkPixmap * pixmap,GdkBitmap * mask)4656 gtk_ctree_node_set_pixtext (GtkCTree *ctree,
4657 GtkCTreeNode *node,
4658 gint column,
4659 const gchar *text,
4660 guint8 spacing,
4661 GdkPixmap *pixmap,
4662 GdkBitmap *mask)
4663 {
4664 GtkCList *clist;
4665
4666 g_return_if_fail (GTK_IS_CTREE (ctree));
4667 g_return_if_fail (node != NULL);
4668 if (column != ctree->tree_column)
4669 g_return_if_fail (pixmap != NULL);
4670 if (column < 0 || column >= GTK_CLIST (ctree)->columns)
4671 return;
4672
4673 clist = GTK_CLIST (ctree);
4674
4675 if (pixmap)
4676 {
4677 g_object_ref (pixmap);
4678 if (mask)
4679 g_object_ref (mask);
4680 }
4681
4682 GTK_CLIST_GET_CLASS (clist)->set_cell_contents
4683 (clist, &(GTK_CTREE_ROW (node)->row), column, GTK_CELL_PIXTEXT,
4684 text, spacing, pixmap, mask);
4685
4686 tree_draw_node (ctree, node);
4687 }
4688
4689
4690 /**
4691 * gtk_ctree_set_node_info:
4692 * @pixmap_closed: (allow-none):
4693 * @mask_closed: (allow-none):
4694 * @pixmap_opened: (allow-none):
4695 * @mask_opened: (allow-none):
4696 */
4697 void
gtk_ctree_set_node_info(GtkCTree * ctree,GtkCTreeNode * node,const gchar * text,guint8 spacing,GdkPixmap * pixmap_closed,GdkBitmap * mask_closed,GdkPixmap * pixmap_opened,GdkBitmap * mask_opened,gboolean is_leaf,gboolean expanded)4698 gtk_ctree_set_node_info (GtkCTree *ctree,
4699 GtkCTreeNode *node,
4700 const gchar *text,
4701 guint8 spacing,
4702 GdkPixmap *pixmap_closed,
4703 GdkBitmap *mask_closed,
4704 GdkPixmap *pixmap_opened,
4705 GdkBitmap *mask_opened,
4706 gboolean is_leaf,
4707 gboolean expanded)
4708 {
4709 gboolean old_leaf;
4710 gboolean old_expanded;
4711
4712 g_return_if_fail (GTK_IS_CTREE (ctree));
4713 g_return_if_fail (node != NULL);
4714
4715 old_leaf = GTK_CTREE_ROW (node)->is_leaf;
4716 old_expanded = GTK_CTREE_ROW (node)->expanded;
4717
4718 if (is_leaf && GTK_CTREE_ROW (node)->children)
4719 {
4720 GtkCTreeNode *work;
4721 GtkCTreeNode *ptr;
4722
4723 work = GTK_CTREE_ROW (node)->children;
4724 while (work)
4725 {
4726 ptr = work;
4727 work = GTK_CTREE_ROW (work)->sibling;
4728 gtk_ctree_remove_node (ctree, ptr);
4729 }
4730 }
4731
4732 set_node_info (ctree, node, text, spacing, pixmap_closed, mask_closed,
4733 pixmap_opened, mask_opened, is_leaf, expanded);
4734
4735 if (!is_leaf && !old_leaf)
4736 {
4737 GTK_CTREE_ROW (node)->expanded = old_expanded;
4738 if (expanded && !old_expanded)
4739 gtk_ctree_expand (ctree, node);
4740 else if (!expanded && old_expanded)
4741 gtk_ctree_collapse (ctree, node);
4742 }
4743
4744 GTK_CTREE_ROW (node)->expanded = (is_leaf) ? FALSE : expanded;
4745
4746 tree_draw_node (ctree, node);
4747 }
4748
4749 void
gtk_ctree_node_set_shift(GtkCTree * ctree,GtkCTreeNode * node,gint column,gint vertical,gint horizontal)4750 gtk_ctree_node_set_shift (GtkCTree *ctree,
4751 GtkCTreeNode *node,
4752 gint column,
4753 gint vertical,
4754 gint horizontal)
4755 {
4756 GtkCList *clist;
4757 GtkRequisition requisition;
4758 gboolean visible = FALSE;
4759
4760 g_return_if_fail (GTK_IS_CTREE (ctree));
4761 g_return_if_fail (node != NULL);
4762
4763 if (column < 0 || column >= GTK_CLIST (ctree)->columns)
4764 return;
4765
4766 clist = GTK_CLIST (ctree);
4767
4768 if (clist->column[column].auto_resize &&
4769 !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
4770 {
4771 visible = gtk_ctree_is_viewable (ctree, node);
4772 if (visible)
4773 GTK_CLIST_GET_CLASS (clist)->cell_size_request
4774 (clist, >K_CTREE_ROW (node)->row, column, &requisition);
4775 }
4776
4777 GTK_CTREE_ROW (node)->row.cell[column].vertical = vertical;
4778 GTK_CTREE_ROW (node)->row.cell[column].horizontal = horizontal;
4779
4780 if (visible)
4781 column_auto_resize (clist, >K_CTREE_ROW (node)->row,
4782 column, requisition.width);
4783
4784 tree_draw_node (ctree, node);
4785 }
4786
4787 static void
remove_grab(GtkCList * clist)4788 remove_grab (GtkCList *clist)
4789 {
4790 if (gdk_display_pointer_is_grabbed (gtk_widget_get_display (GTK_WIDGET (clist))) &&
4791 GTK_WIDGET_HAS_GRAB (clist))
4792 {
4793 gtk_grab_remove (GTK_WIDGET (clist));
4794 gdk_display_pointer_ungrab (gtk_widget_get_display (GTK_WIDGET (clist)),
4795 GDK_CURRENT_TIME);
4796 }
4797
4798 if (clist->htimer)
4799 {
4800 g_source_remove (clist->htimer);
4801 clist->htimer = 0;
4802 }
4803
4804 if (clist->vtimer)
4805 {
4806 g_source_remove (clist->vtimer);
4807 clist->vtimer = 0;
4808 }
4809 }
4810
4811 void
gtk_ctree_node_set_selectable(GtkCTree * ctree,GtkCTreeNode * node,gboolean selectable)4812 gtk_ctree_node_set_selectable (GtkCTree *ctree,
4813 GtkCTreeNode *node,
4814 gboolean selectable)
4815 {
4816 g_return_if_fail (GTK_IS_CTREE (ctree));
4817 g_return_if_fail (node != NULL);
4818
4819 if (selectable == GTK_CTREE_ROW (node)->row.selectable)
4820 return;
4821
4822 GTK_CTREE_ROW (node)->row.selectable = selectable;
4823
4824 if (!selectable && GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
4825 {
4826 GtkCList *clist;
4827
4828 clist = GTK_CLIST (ctree);
4829
4830 if (clist->anchor >= 0 &&
4831 clist->selection_mode == GTK_SELECTION_MULTIPLE)
4832 {
4833 clist->drag_button = 0;
4834 remove_grab (clist);
4835
4836 GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
4837 }
4838 gtk_ctree_unselect (ctree, node);
4839 }
4840 }
4841
4842 gboolean
gtk_ctree_node_get_selectable(GtkCTree * ctree,GtkCTreeNode * node)4843 gtk_ctree_node_get_selectable (GtkCTree *ctree,
4844 GtkCTreeNode *node)
4845 {
4846 g_return_val_if_fail (node != NULL, FALSE);
4847
4848 return GTK_CTREE_ROW (node)->row.selectable;
4849 }
4850
4851 GtkCellType
gtk_ctree_node_get_cell_type(GtkCTree * ctree,GtkCTreeNode * node,gint column)4852 gtk_ctree_node_get_cell_type (GtkCTree *ctree,
4853 GtkCTreeNode *node,
4854 gint column)
4855 {
4856 g_return_val_if_fail (GTK_IS_CTREE (ctree), -1);
4857 g_return_val_if_fail (node != NULL, -1);
4858
4859 if (column < 0 || column >= GTK_CLIST (ctree)->columns)
4860 return -1;
4861
4862 return GTK_CTREE_ROW (node)->row.cell[column].type;
4863 }
4864
4865 gboolean
gtk_ctree_node_get_text(GtkCTree * ctree,GtkCTreeNode * node,gint column,gchar ** text)4866 gtk_ctree_node_get_text (GtkCTree *ctree,
4867 GtkCTreeNode *node,
4868 gint column,
4869 gchar **text)
4870 {
4871 g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE);
4872 g_return_val_if_fail (node != NULL, FALSE);
4873
4874 if (column < 0 || column >= GTK_CLIST (ctree)->columns)
4875 return FALSE;
4876
4877 if (GTK_CTREE_ROW (node)->row.cell[column].type != GTK_CELL_TEXT)
4878 return FALSE;
4879
4880 if (text)
4881 *text = GTK_CELL_TEXT (GTK_CTREE_ROW (node)->row.cell[column])->text;
4882
4883 return TRUE;
4884 }
4885
4886 gboolean
gtk_ctree_node_get_pixmap(GtkCTree * ctree,GtkCTreeNode * node,gint column,GdkPixmap ** pixmap,GdkBitmap ** mask)4887 gtk_ctree_node_get_pixmap (GtkCTree *ctree,
4888 GtkCTreeNode *node,
4889 gint column,
4890 GdkPixmap **pixmap,
4891 GdkBitmap **mask)
4892 {
4893 g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE);
4894 g_return_val_if_fail (node != NULL, FALSE);
4895
4896 if (column < 0 || column >= GTK_CLIST (ctree)->columns)
4897 return FALSE;
4898
4899 if (GTK_CTREE_ROW (node)->row.cell[column].type != GTK_CELL_PIXMAP)
4900 return FALSE;
4901
4902 if (pixmap)
4903 *pixmap = GTK_CELL_PIXMAP (GTK_CTREE_ROW (node)->row.cell[column])->pixmap;
4904 if (mask)
4905 *mask = GTK_CELL_PIXMAP (GTK_CTREE_ROW (node)->row.cell[column])->mask;
4906
4907 return TRUE;
4908 }
4909
4910 gboolean
gtk_ctree_node_get_pixtext(GtkCTree * ctree,GtkCTreeNode * node,gint column,gchar ** text,guint8 * spacing,GdkPixmap ** pixmap,GdkBitmap ** mask)4911 gtk_ctree_node_get_pixtext (GtkCTree *ctree,
4912 GtkCTreeNode *node,
4913 gint column,
4914 gchar **text,
4915 guint8 *spacing,
4916 GdkPixmap **pixmap,
4917 GdkBitmap **mask)
4918 {
4919 g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE);
4920 g_return_val_if_fail (node != NULL, FALSE);
4921
4922 if (column < 0 || column >= GTK_CLIST (ctree)->columns)
4923 return FALSE;
4924
4925 if (GTK_CTREE_ROW (node)->row.cell[column].type != GTK_CELL_PIXTEXT)
4926 return FALSE;
4927
4928 if (text)
4929 *text = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (node)->row.cell[column])->text;
4930 if (spacing)
4931 *spacing = GTK_CELL_PIXTEXT (GTK_CTREE_ROW
4932 (node)->row.cell[column])->spacing;
4933 if (pixmap)
4934 *pixmap = GTK_CELL_PIXTEXT (GTK_CTREE_ROW
4935 (node)->row.cell[column])->pixmap;
4936 if (mask)
4937 *mask = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (node)->row.cell[column])->mask;
4938
4939 return TRUE;
4940 }
4941
4942 gboolean
gtk_ctree_get_node_info(GtkCTree * ctree,GtkCTreeNode * node,gchar ** text,guint8 * spacing,GdkPixmap ** pixmap_closed,GdkBitmap ** mask_closed,GdkPixmap ** pixmap_opened,GdkBitmap ** mask_opened,gboolean * is_leaf,gboolean * expanded)4943 gtk_ctree_get_node_info (GtkCTree *ctree,
4944 GtkCTreeNode *node,
4945 gchar **text,
4946 guint8 *spacing,
4947 GdkPixmap **pixmap_closed,
4948 GdkBitmap **mask_closed,
4949 GdkPixmap **pixmap_opened,
4950 GdkBitmap **mask_opened,
4951 gboolean *is_leaf,
4952 gboolean *expanded)
4953 {
4954 g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE);
4955 g_return_val_if_fail (node != NULL, FALSE);
4956
4957 if (text)
4958 *text = GTK_CELL_PIXTEXT
4959 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->text;
4960 if (spacing)
4961 *spacing = GTK_CELL_PIXTEXT
4962 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->spacing;
4963 if (pixmap_closed)
4964 *pixmap_closed = GTK_CTREE_ROW (node)->pixmap_closed;
4965 if (mask_closed)
4966 *mask_closed = GTK_CTREE_ROW (node)->mask_closed;
4967 if (pixmap_opened)
4968 *pixmap_opened = GTK_CTREE_ROW (node)->pixmap_opened;
4969 if (mask_opened)
4970 *mask_opened = GTK_CTREE_ROW (node)->mask_opened;
4971 if (is_leaf)
4972 *is_leaf = GTK_CTREE_ROW (node)->is_leaf;
4973 if (expanded)
4974 *expanded = GTK_CTREE_ROW (node)->expanded;
4975
4976 return TRUE;
4977 }
4978
4979 void
gtk_ctree_node_set_cell_style(GtkCTree * ctree,GtkCTreeNode * node,gint column,GtkStyle * style)4980 gtk_ctree_node_set_cell_style (GtkCTree *ctree,
4981 GtkCTreeNode *node,
4982 gint column,
4983 GtkStyle *style)
4984 {
4985 GtkCList *clist;
4986 GtkRequisition requisition;
4987 gboolean visible = FALSE;
4988
4989 g_return_if_fail (GTK_IS_CTREE (ctree));
4990 g_return_if_fail (node != NULL);
4991
4992 clist = GTK_CLIST (ctree);
4993
4994 if (column < 0 || column >= clist->columns)
4995 return;
4996
4997 if (GTK_CTREE_ROW (node)->row.cell[column].style == style)
4998 return;
4999
5000 if (clist->column[column].auto_resize &&
5001 !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
5002 {
5003 visible = gtk_ctree_is_viewable (ctree, node);
5004 if (visible)
5005 GTK_CLIST_GET_CLASS (clist)->cell_size_request
5006 (clist, >K_CTREE_ROW (node)->row, column, &requisition);
5007 }
5008
5009 if (GTK_CTREE_ROW (node)->row.cell[column].style)
5010 {
5011 if (gtk_widget_get_realized (GTK_WIDGET (ctree)))
5012 gtk_style_detach (GTK_CTREE_ROW (node)->row.cell[column].style);
5013 g_object_unref (GTK_CTREE_ROW (node)->row.cell[column].style);
5014 }
5015
5016 GTK_CTREE_ROW (node)->row.cell[column].style = style;
5017
5018 if (GTK_CTREE_ROW (node)->row.cell[column].style)
5019 {
5020 g_object_ref (GTK_CTREE_ROW (node)->row.cell[column].style);
5021
5022 if (gtk_widget_get_realized (GTK_WIDGET (ctree)))
5023 GTK_CTREE_ROW (node)->row.cell[column].style =
5024 gtk_style_attach (GTK_CTREE_ROW (node)->row.cell[column].style,
5025 clist->clist_window);
5026 }
5027
5028 if (visible)
5029 column_auto_resize (clist, >K_CTREE_ROW (node)->row, column,
5030 requisition.width);
5031
5032 tree_draw_node (ctree, node);
5033 }
5034
5035 GtkStyle *
gtk_ctree_node_get_cell_style(GtkCTree * ctree,GtkCTreeNode * node,gint column)5036 gtk_ctree_node_get_cell_style (GtkCTree *ctree,
5037 GtkCTreeNode *node,
5038 gint column)
5039 {
5040 g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
5041 g_return_val_if_fail (node != NULL, NULL);
5042
5043 if (column < 0 || column >= GTK_CLIST (ctree)->columns)
5044 return NULL;
5045
5046 return GTK_CTREE_ROW (node)->row.cell[column].style;
5047 }
5048
5049 void
gtk_ctree_node_set_row_style(GtkCTree * ctree,GtkCTreeNode * node,GtkStyle * style)5050 gtk_ctree_node_set_row_style (GtkCTree *ctree,
5051 GtkCTreeNode *node,
5052 GtkStyle *style)
5053 {
5054 GtkCList *clist;
5055 GtkRequisition requisition;
5056 gboolean visible;
5057 gint *old_width = NULL;
5058 gint i;
5059
5060 g_return_if_fail (GTK_IS_CTREE (ctree));
5061 g_return_if_fail (node != NULL);
5062
5063 clist = GTK_CLIST (ctree);
5064
5065 if (GTK_CTREE_ROW (node)->row.style == style)
5066 return;
5067
5068 visible = gtk_ctree_is_viewable (ctree, node);
5069 if (visible && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
5070 {
5071 old_width = g_new (gint, clist->columns);
5072 for (i = 0; i < clist->columns; i++)
5073 if (clist->column[i].auto_resize)
5074 {
5075 GTK_CLIST_GET_CLASS (clist)->cell_size_request
5076 (clist, >K_CTREE_ROW (node)->row, i, &requisition);
5077 old_width[i] = requisition.width;
5078 }
5079 }
5080
5081 if (GTK_CTREE_ROW (node)->row.style)
5082 {
5083 if (gtk_widget_get_realized (GTK_WIDGET (ctree)))
5084 gtk_style_detach (GTK_CTREE_ROW (node)->row.style);
5085 g_object_unref (GTK_CTREE_ROW (node)->row.style);
5086 }
5087
5088 GTK_CTREE_ROW (node)->row.style = style;
5089
5090 if (GTK_CTREE_ROW (node)->row.style)
5091 {
5092 g_object_ref (GTK_CTREE_ROW (node)->row.style);
5093
5094 if (gtk_widget_get_realized (GTK_WIDGET (ctree)))
5095 GTK_CTREE_ROW (node)->row.style =
5096 gtk_style_attach (GTK_CTREE_ROW (node)->row.style,
5097 clist->clist_window);
5098 }
5099
5100 if (visible && !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
5101 {
5102 for (i = 0; i < clist->columns; i++)
5103 if (clist->column[i].auto_resize)
5104 column_auto_resize (clist, >K_CTREE_ROW (node)->row, i,
5105 old_width[i]);
5106 g_free (old_width);
5107 }
5108 tree_draw_node (ctree, node);
5109 }
5110
5111 GtkStyle *
gtk_ctree_node_get_row_style(GtkCTree * ctree,GtkCTreeNode * node)5112 gtk_ctree_node_get_row_style (GtkCTree *ctree,
5113 GtkCTreeNode *node)
5114 {
5115 g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
5116 g_return_val_if_fail (node != NULL, NULL);
5117
5118 return GTK_CTREE_ROW (node)->row.style;
5119 }
5120
5121 void
gtk_ctree_node_set_foreground(GtkCTree * ctree,GtkCTreeNode * node,const GdkColor * color)5122 gtk_ctree_node_set_foreground (GtkCTree *ctree,
5123 GtkCTreeNode *node,
5124 const GdkColor *color)
5125 {
5126 g_return_if_fail (GTK_IS_CTREE (ctree));
5127 g_return_if_fail (node != NULL);
5128
5129 if (color)
5130 {
5131 GTK_CTREE_ROW (node)->row.foreground = *color;
5132 GTK_CTREE_ROW (node)->row.fg_set = TRUE;
5133 if (gtk_widget_get_realized (GTK_WIDGET (ctree)))
5134 gdk_colormap_alloc_color (gtk_widget_get_colormap (GTK_WIDGET (ctree)),
5135 >K_CTREE_ROW (node)->row.foreground,
5136 FALSE, TRUE);
5137 }
5138 else
5139 GTK_CTREE_ROW (node)->row.fg_set = FALSE;
5140
5141 tree_draw_node (ctree, node);
5142 }
5143
5144 void
gtk_ctree_node_set_background(GtkCTree * ctree,GtkCTreeNode * node,const GdkColor * color)5145 gtk_ctree_node_set_background (GtkCTree *ctree,
5146 GtkCTreeNode *node,
5147 const GdkColor *color)
5148 {
5149 g_return_if_fail (GTK_IS_CTREE (ctree));
5150 g_return_if_fail (node != NULL);
5151
5152 if (color)
5153 {
5154 GTK_CTREE_ROW (node)->row.background = *color;
5155 GTK_CTREE_ROW (node)->row.bg_set = TRUE;
5156 if (gtk_widget_get_realized (GTK_WIDGET (ctree)))
5157 gdk_colormap_alloc_color (gtk_widget_get_colormap (GTK_WIDGET (ctree)),
5158 >K_CTREE_ROW (node)->row.background,
5159 FALSE, TRUE);
5160 }
5161 else
5162 GTK_CTREE_ROW (node)->row.bg_set = FALSE;
5163
5164 tree_draw_node (ctree, node);
5165 }
5166
5167 void
gtk_ctree_node_set_row_data(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)5168 gtk_ctree_node_set_row_data (GtkCTree *ctree,
5169 GtkCTreeNode *node,
5170 gpointer data)
5171 {
5172 gtk_ctree_node_set_row_data_full (ctree, node, data, NULL);
5173 }
5174
5175 void
gtk_ctree_node_set_row_data_full(GtkCTree * ctree,GtkCTreeNode * node,gpointer data,GDestroyNotify destroy)5176 gtk_ctree_node_set_row_data_full (GtkCTree *ctree,
5177 GtkCTreeNode *node,
5178 gpointer data,
5179 GDestroyNotify destroy)
5180 {
5181 GDestroyNotify dnotify;
5182 gpointer ddata;
5183
5184 g_return_if_fail (GTK_IS_CTREE (ctree));
5185 g_return_if_fail (node != NULL);
5186
5187 dnotify = GTK_CTREE_ROW (node)->row.destroy;
5188 ddata = GTK_CTREE_ROW (node)->row.data;
5189
5190 GTK_CTREE_ROW (node)->row.data = data;
5191 GTK_CTREE_ROW (node)->row.destroy = destroy;
5192
5193 if (dnotify)
5194 dnotify (ddata);
5195 }
5196
5197 gpointer
gtk_ctree_node_get_row_data(GtkCTree * ctree,GtkCTreeNode * node)5198 gtk_ctree_node_get_row_data (GtkCTree *ctree,
5199 GtkCTreeNode *node)
5200 {
5201 g_return_val_if_fail (GTK_IS_CTREE (ctree), NULL);
5202
5203 return node ? GTK_CTREE_ROW (node)->row.data : NULL;
5204 }
5205
5206 void
gtk_ctree_node_moveto(GtkCTree * ctree,GtkCTreeNode * node,gint column,gfloat row_align,gfloat col_align)5207 gtk_ctree_node_moveto (GtkCTree *ctree,
5208 GtkCTreeNode *node,
5209 gint column,
5210 gfloat row_align,
5211 gfloat col_align)
5212 {
5213 gint row = -1;
5214 GtkCList *clist;
5215
5216 g_return_if_fail (GTK_IS_CTREE (ctree));
5217
5218 clist = GTK_CLIST (ctree);
5219
5220 while (node && !gtk_ctree_is_viewable (ctree, node))
5221 node = GTK_CTREE_ROW (node)->parent;
5222
5223 if (node)
5224 row = g_list_position (clist->row_list, (GList *)node);
5225
5226 gtk_clist_moveto (clist, row, column, row_align, col_align);
5227 }
5228
5229 GtkVisibility
gtk_ctree_node_is_visible(GtkCTree * ctree,GtkCTreeNode * node)5230 gtk_ctree_node_is_visible (GtkCTree *ctree,
5231 GtkCTreeNode *node)
5232 {
5233 gint row;
5234
5235 g_return_val_if_fail (ctree != NULL, 0);
5236 g_return_val_if_fail (node != NULL, 0);
5237
5238 row = g_list_position (GTK_CLIST (ctree)->row_list, (GList*) node);
5239 return gtk_clist_row_is_visible (GTK_CLIST (ctree), row);
5240 }
5241
5242
5243 /***********************************************************
5244 * GtkCTree specific functions *
5245 ***********************************************************/
5246
5247 void
gtk_ctree_set_indent(GtkCTree * ctree,gint indent)5248 gtk_ctree_set_indent (GtkCTree *ctree,
5249 gint indent)
5250 {
5251 GtkCList *clist;
5252
5253 g_return_if_fail (GTK_IS_CTREE (ctree));
5254 g_return_if_fail (indent >= 0);
5255
5256 if (indent == ctree->tree_indent)
5257 return;
5258
5259 clist = GTK_CLIST (ctree);
5260 ctree->tree_indent = indent;
5261
5262 if (clist->column[ctree->tree_column].auto_resize &&
5263 !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
5264 gtk_clist_set_column_width
5265 (clist, ctree->tree_column,
5266 gtk_clist_optimal_column_width (clist, ctree->tree_column));
5267 else
5268 CLIST_REFRESH (ctree);
5269 }
5270
5271 void
gtk_ctree_set_spacing(GtkCTree * ctree,gint spacing)5272 gtk_ctree_set_spacing (GtkCTree *ctree,
5273 gint spacing)
5274 {
5275 GtkCList *clist;
5276 gint old_spacing;
5277
5278 g_return_if_fail (GTK_IS_CTREE (ctree));
5279 g_return_if_fail (spacing >= 0);
5280
5281 if (spacing == ctree->tree_spacing)
5282 return;
5283
5284 clist = GTK_CLIST (ctree);
5285
5286 old_spacing = ctree->tree_spacing;
5287 ctree->tree_spacing = spacing;
5288
5289 if (clist->column[ctree->tree_column].auto_resize &&
5290 !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
5291 gtk_clist_set_column_width (clist, ctree->tree_column,
5292 clist->column[ctree->tree_column].width +
5293 spacing - old_spacing);
5294 else
5295 CLIST_REFRESH (ctree);
5296 }
5297
5298 void
gtk_ctree_set_show_stub(GtkCTree * ctree,gboolean show_stub)5299 gtk_ctree_set_show_stub (GtkCTree *ctree,
5300 gboolean show_stub)
5301 {
5302 g_return_if_fail (GTK_IS_CTREE (ctree));
5303
5304 show_stub = show_stub != FALSE;
5305
5306 if (show_stub != ctree->show_stub)
5307 {
5308 GtkCList *clist;
5309
5310 clist = GTK_CLIST (ctree);
5311 ctree->show_stub = show_stub;
5312
5313 if (CLIST_UNFROZEN (clist) && clist->rows &&
5314 gtk_clist_row_is_visible (clist, 0) != GTK_VISIBILITY_NONE)
5315 GTK_CLIST_GET_CLASS (clist)->draw_row
5316 (clist, NULL, 0, GTK_CLIST_ROW (clist->row_list));
5317 }
5318 }
5319
5320 void
gtk_ctree_set_line_style(GtkCTree * ctree,GtkCTreeLineStyle line_style)5321 gtk_ctree_set_line_style (GtkCTree *ctree,
5322 GtkCTreeLineStyle line_style)
5323 {
5324 GtkCList *clist;
5325 GtkCTreeLineStyle old_style;
5326
5327 g_return_if_fail (GTK_IS_CTREE (ctree));
5328
5329 if (line_style == ctree->line_style)
5330 return;
5331
5332 clist = GTK_CLIST (ctree);
5333
5334 old_style = ctree->line_style;
5335 ctree->line_style = line_style;
5336
5337 if (clist->column[ctree->tree_column].auto_resize &&
5338 !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
5339 {
5340 if (old_style == GTK_CTREE_LINES_TABBED)
5341 gtk_clist_set_column_width
5342 (clist, ctree->tree_column,
5343 clist->column[ctree->tree_column].width - 3);
5344 else if (line_style == GTK_CTREE_LINES_TABBED)
5345 gtk_clist_set_column_width
5346 (clist, ctree->tree_column,
5347 clist->column[ctree->tree_column].width + 3);
5348 }
5349
5350 if (gtk_widget_get_realized (GTK_WIDGET (ctree)))
5351 {
5352 gint8 dashes[] = { 1, 1 };
5353
5354 switch (line_style)
5355 {
5356 case GTK_CTREE_LINES_SOLID:
5357 if (gtk_widget_get_realized (GTK_WIDGET (ctree)))
5358 gdk_gc_set_line_attributes (ctree->lines_gc, 1, GDK_LINE_SOLID,
5359 GDK_CAP_BUTT, GDK_JOIN_MITER);
5360 break;
5361 case GTK_CTREE_LINES_DOTTED:
5362 if (gtk_widget_get_realized (GTK_WIDGET (ctree)))
5363 gdk_gc_set_line_attributes (ctree->lines_gc, 1,
5364 GDK_LINE_ON_OFF_DASH, GDK_CAP_BUTT, GDK_JOIN_MITER);
5365 gdk_gc_set_dashes (ctree->lines_gc, 0, dashes, G_N_ELEMENTS (dashes));
5366 break;
5367 case GTK_CTREE_LINES_TABBED:
5368 if (gtk_widget_get_realized (GTK_WIDGET (ctree)))
5369 gdk_gc_set_line_attributes (ctree->lines_gc, 1, GDK_LINE_SOLID,
5370 GDK_CAP_BUTT, GDK_JOIN_MITER);
5371 break;
5372 case GTK_CTREE_LINES_NONE:
5373 break;
5374 default:
5375 return;
5376 }
5377 CLIST_REFRESH (ctree);
5378 }
5379 }
5380
5381 void
gtk_ctree_set_expander_style(GtkCTree * ctree,GtkCTreeExpanderStyle expander_style)5382 gtk_ctree_set_expander_style (GtkCTree *ctree,
5383 GtkCTreeExpanderStyle expander_style)
5384 {
5385 GtkCList *clist;
5386 GtkCTreeExpanderStyle old_style;
5387
5388 g_return_if_fail (GTK_IS_CTREE (ctree));
5389
5390 if (expander_style == ctree->expander_style)
5391 return;
5392
5393 clist = GTK_CLIST (ctree);
5394
5395 old_style = ctree->expander_style;
5396 ctree->expander_style = expander_style;
5397
5398 if (clist->column[ctree->tree_column].auto_resize &&
5399 !GTK_CLIST_AUTO_RESIZE_BLOCKED (clist))
5400 {
5401 gint new_width;
5402
5403 new_width = clist->column[ctree->tree_column].width;
5404 switch (old_style)
5405 {
5406 case GTK_CTREE_EXPANDER_NONE:
5407 break;
5408 case GTK_CTREE_EXPANDER_TRIANGLE:
5409 new_width -= PM_SIZE + 3;
5410 break;
5411 case GTK_CTREE_EXPANDER_SQUARE:
5412 case GTK_CTREE_EXPANDER_CIRCULAR:
5413 new_width -= PM_SIZE + 1;
5414 break;
5415 }
5416
5417 switch (expander_style)
5418 {
5419 case GTK_CTREE_EXPANDER_NONE:
5420 break;
5421 case GTK_CTREE_EXPANDER_TRIANGLE:
5422 new_width += PM_SIZE + 3;
5423 break;
5424 case GTK_CTREE_EXPANDER_SQUARE:
5425 case GTK_CTREE_EXPANDER_CIRCULAR:
5426 new_width += PM_SIZE + 1;
5427 break;
5428 }
5429
5430 gtk_clist_set_column_width (clist, ctree->tree_column, new_width);
5431 }
5432
5433 if (GTK_WIDGET_DRAWABLE (clist))
5434 CLIST_REFRESH (clist);
5435 }
5436
5437
5438 /***********************************************************
5439 * Tree sorting functions *
5440 ***********************************************************/
5441
5442
5443 static void
tree_sort(GtkCTree * ctree,GtkCTreeNode * node,gpointer data)5444 tree_sort (GtkCTree *ctree,
5445 GtkCTreeNode *node,
5446 gpointer data)
5447 {
5448 GtkCTreeNode *list_start;
5449 GtkCTreeNode *cmp;
5450 GtkCTreeNode *work;
5451 GtkCList *clist;
5452
5453 clist = GTK_CLIST (ctree);
5454
5455 if (node)
5456 list_start = GTK_CTREE_ROW (node)->children;
5457 else
5458 list_start = GTK_CTREE_NODE (clist->row_list);
5459
5460 while (list_start)
5461 {
5462 cmp = list_start;
5463 work = GTK_CTREE_ROW (cmp)->sibling;
5464 while (work)
5465 {
5466 if (clist->sort_type == GTK_SORT_ASCENDING)
5467 {
5468 if (clist->compare
5469 (clist, GTK_CTREE_ROW (work), GTK_CTREE_ROW (cmp)) < 0)
5470 cmp = work;
5471 }
5472 else
5473 {
5474 if (clist->compare
5475 (clist, GTK_CTREE_ROW (work), GTK_CTREE_ROW (cmp)) > 0)
5476 cmp = work;
5477 }
5478 work = GTK_CTREE_ROW (work)->sibling;
5479 }
5480 if (cmp == list_start)
5481 list_start = GTK_CTREE_ROW (cmp)->sibling;
5482 else
5483 {
5484 gtk_ctree_unlink (ctree, cmp, FALSE);
5485 gtk_ctree_link (ctree, cmp, node, list_start, FALSE);
5486 }
5487 }
5488 }
5489
5490 void
gtk_ctree_sort_recursive(GtkCTree * ctree,GtkCTreeNode * node)5491 gtk_ctree_sort_recursive (GtkCTree *ctree,
5492 GtkCTreeNode *node)
5493 {
5494 GtkCList *clist;
5495 GtkCTreeNode *focus_node = NULL;
5496
5497 g_return_if_fail (GTK_IS_CTREE (ctree));
5498
5499 clist = GTK_CLIST (ctree);
5500
5501 gtk_clist_freeze (clist);
5502
5503 if (clist->selection_mode == GTK_SELECTION_MULTIPLE)
5504 {
5505 GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
5506
5507 g_list_free (clist->undo_selection);
5508 g_list_free (clist->undo_unselection);
5509 clist->undo_selection = NULL;
5510 clist->undo_unselection = NULL;
5511 }
5512
5513 if (!node || (node && gtk_ctree_is_viewable (ctree, node)))
5514 focus_node =
5515 GTK_CTREE_NODE (g_list_nth (clist->row_list, clist->focus_row));
5516
5517 gtk_ctree_post_recursive (ctree, node, GTK_CTREE_FUNC (tree_sort), NULL);
5518
5519 if (!node)
5520 tree_sort (ctree, NULL, NULL);
5521
5522 if (focus_node)
5523 {
5524 clist->focus_row = g_list_position (clist->row_list,(GList *)focus_node);
5525 clist->undo_anchor = clist->focus_row;
5526 }
5527
5528 gtk_clist_thaw (clist);
5529 }
5530
5531 static void
real_sort_list(GtkCList * clist)5532 real_sort_list (GtkCList *clist)
5533 {
5534 gtk_ctree_sort_recursive (GTK_CTREE (clist), NULL);
5535 }
5536
5537 void
gtk_ctree_sort_node(GtkCTree * ctree,GtkCTreeNode * node)5538 gtk_ctree_sort_node (GtkCTree *ctree,
5539 GtkCTreeNode *node)
5540 {
5541 GtkCList *clist;
5542 GtkCTreeNode *focus_node = NULL;
5543
5544 g_return_if_fail (GTK_IS_CTREE (ctree));
5545
5546 clist = GTK_CLIST (ctree);
5547
5548 gtk_clist_freeze (clist);
5549
5550 if (clist->selection_mode == GTK_SELECTION_MULTIPLE)
5551 {
5552 GTK_CLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
5553
5554 g_list_free (clist->undo_selection);
5555 g_list_free (clist->undo_unselection);
5556 clist->undo_selection = NULL;
5557 clist->undo_unselection = NULL;
5558 }
5559
5560 if (!node || (node && gtk_ctree_is_viewable (ctree, node)))
5561 focus_node = GTK_CTREE_NODE
5562 (g_list_nth (clist->row_list, clist->focus_row));
5563
5564 tree_sort (ctree, node, NULL);
5565
5566 if (focus_node)
5567 {
5568 clist->focus_row = g_list_position (clist->row_list,(GList *)focus_node);
5569 clist->undo_anchor = clist->focus_row;
5570 }
5571
5572 gtk_clist_thaw (clist);
5573 }
5574
5575 /************************************************************************/
5576
5577 static void
fake_unselect_all(GtkCList * clist,gint row)5578 fake_unselect_all (GtkCList *clist,
5579 gint row)
5580 {
5581 GList *list;
5582 GList *focus_node = NULL;
5583
5584 if (row >= 0 && (focus_node = g_list_nth (clist->row_list, row)))
5585 {
5586 if (GTK_CTREE_ROW (focus_node)->row.state == GTK_STATE_NORMAL &&
5587 GTK_CTREE_ROW (focus_node)->row.selectable)
5588 {
5589 GTK_CTREE_ROW (focus_node)->row.state = GTK_STATE_SELECTED;
5590
5591 if (CLIST_UNFROZEN (clist) &&
5592 gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
5593 GTK_CLIST_GET_CLASS (clist)->draw_row (clist, NULL, row,
5594 GTK_CLIST_ROW (focus_node));
5595 }
5596 }
5597
5598 clist->undo_selection = clist->selection;
5599 clist->selection = NULL;
5600 clist->selection_end = NULL;
5601
5602 for (list = clist->undo_selection; list; list = list->next)
5603 {
5604 if (list->data == focus_node)
5605 continue;
5606
5607 GTK_CTREE_ROW ((GList *)(list->data))->row.state = GTK_STATE_NORMAL;
5608 tree_draw_node (GTK_CTREE (clist), GTK_CTREE_NODE (list->data));
5609 }
5610 }
5611
5612 static GList *
selection_find(GtkCList * clist,gint row_number,GList * row_list_element)5613 selection_find (GtkCList *clist,
5614 gint row_number,
5615 GList *row_list_element)
5616 {
5617 return g_list_find (clist->selection, row_list_element);
5618 }
5619
5620 static void
resync_selection(GtkCList * clist,GdkEvent * event)5621 resync_selection (GtkCList *clist, GdkEvent *event)
5622 {
5623 GtkCTree *ctree;
5624 GList *list;
5625 GtkCTreeNode *node;
5626 gint i;
5627 gint e;
5628 gint row;
5629 gboolean unselect;
5630
5631 g_return_if_fail (GTK_IS_CTREE (clist));
5632
5633 if (clist->selection_mode != GTK_SELECTION_MULTIPLE)
5634 return;
5635
5636 if (clist->anchor < 0 || clist->drag_pos < 0)
5637 return;
5638
5639 ctree = GTK_CTREE (clist);
5640
5641 clist->freeze_count++;
5642
5643 i = MIN (clist->anchor, clist->drag_pos);
5644 e = MAX (clist->anchor, clist->drag_pos);
5645
5646 if (clist->undo_selection)
5647 {
5648 list = clist->selection;
5649 clist->selection = clist->undo_selection;
5650 clist->selection_end = g_list_last (clist->selection);
5651 clist->undo_selection = list;
5652 list = clist->selection;
5653
5654 while (list)
5655 {
5656 node = list->data;
5657 list = list->next;
5658
5659 unselect = TRUE;
5660
5661 if (gtk_ctree_is_viewable (ctree, node))
5662 {
5663 row = g_list_position (clist->row_list, (GList *)node);
5664 if (row >= i && row <= e)
5665 unselect = FALSE;
5666 }
5667 if (unselect && GTK_CTREE_ROW (node)->row.selectable)
5668 {
5669 GTK_CTREE_ROW (node)->row.state = GTK_STATE_SELECTED;
5670 gtk_ctree_unselect (ctree, node);
5671 clist->undo_selection = g_list_prepend (clist->undo_selection,
5672 node);
5673 }
5674 }
5675 }
5676
5677 if (clist->anchor < clist->drag_pos)
5678 {
5679 for (node = GTK_CTREE_NODE (g_list_nth (clist->row_list, i)); i <= e;
5680 i++, node = GTK_CTREE_NODE_NEXT (node))
5681 if (GTK_CTREE_ROW (node)->row.selectable)
5682 {
5683 if (g_list_find (clist->selection, node))
5684 {
5685 if (GTK_CTREE_ROW (node)->row.state == GTK_STATE_NORMAL)
5686 {
5687 GTK_CTREE_ROW (node)->row.state = GTK_STATE_SELECTED;
5688 gtk_ctree_unselect (ctree, node);
5689 clist->undo_selection =
5690 g_list_prepend (clist->undo_selection, node);
5691 }
5692 }
5693 else if (GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
5694 {
5695 GTK_CTREE_ROW (node)->row.state = GTK_STATE_NORMAL;
5696 clist->undo_unselection =
5697 g_list_prepend (clist->undo_unselection, node);
5698 }
5699 }
5700 }
5701 else
5702 {
5703 for (node = GTK_CTREE_NODE (g_list_nth (clist->row_list, e)); i <= e;
5704 e--, node = GTK_CTREE_NODE_PREV (node))
5705 if (GTK_CTREE_ROW (node)->row.selectable)
5706 {
5707 if (g_list_find (clist->selection, node))
5708 {
5709 if (GTK_CTREE_ROW (node)->row.state == GTK_STATE_NORMAL)
5710 {
5711 GTK_CTREE_ROW (node)->row.state = GTK_STATE_SELECTED;
5712 gtk_ctree_unselect (ctree, node);
5713 clist->undo_selection =
5714 g_list_prepend (clist->undo_selection, node);
5715 }
5716 }
5717 else if (GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
5718 {
5719 GTK_CTREE_ROW (node)->row.state = GTK_STATE_NORMAL;
5720 clist->undo_unselection =
5721 g_list_prepend (clist->undo_unselection, node);
5722 }
5723 }
5724 }
5725
5726 clist->undo_unselection = g_list_reverse (clist->undo_unselection);
5727 for (list = clist->undo_unselection; list; list = list->next)
5728 gtk_ctree_select (ctree, list->data);
5729
5730 clist->anchor = -1;
5731 clist->drag_pos = -1;
5732
5733 if (!CLIST_UNFROZEN (clist))
5734 clist->freeze_count--;
5735 }
5736
5737 static void
real_undo_selection(GtkCList * clist)5738 real_undo_selection (GtkCList *clist)
5739 {
5740 GtkCTree *ctree;
5741 GList *work;
5742
5743 g_return_if_fail (GTK_IS_CTREE (clist));
5744
5745 if (clist->selection_mode != GTK_SELECTION_MULTIPLE)
5746 return;
5747
5748 if (!(clist->undo_selection || clist->undo_unselection))
5749 {
5750 gtk_clist_unselect_all (clist);
5751 return;
5752 }
5753
5754 ctree = GTK_CTREE (clist);
5755
5756 for (work = clist->undo_selection; work; work = work->next)
5757 if (GTK_CTREE_ROW (work->data)->row.selectable)
5758 gtk_ctree_select (ctree, GTK_CTREE_NODE (work->data));
5759
5760 for (work = clist->undo_unselection; work; work = work->next)
5761 if (GTK_CTREE_ROW (work->data)->row.selectable)
5762 gtk_ctree_unselect (ctree, GTK_CTREE_NODE (work->data));
5763
5764 if (gtk_widget_has_focus (GTK_WIDGET (clist)) && clist->focus_row != clist->undo_anchor)
5765 {
5766 clist->focus_row = clist->undo_anchor;
5767 gtk_widget_queue_draw (GTK_WIDGET (clist));
5768 }
5769 else
5770 clist->focus_row = clist->undo_anchor;
5771
5772 clist->undo_anchor = -1;
5773
5774 g_list_free (clist->undo_selection);
5775 g_list_free (clist->undo_unselection);
5776 clist->undo_selection = NULL;
5777 clist->undo_unselection = NULL;
5778
5779 if (ROW_TOP_YPIXEL (clist, clist->focus_row) + clist->row_height >
5780 clist->clist_window_height)
5781 gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0);
5782 else if (ROW_TOP_YPIXEL (clist, clist->focus_row) < 0)
5783 gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0);
5784
5785 }
5786
5787 void
gtk_ctree_set_drag_compare_func(GtkCTree * ctree,GtkCTreeCompareDragFunc cmp_func)5788 gtk_ctree_set_drag_compare_func (GtkCTree *ctree,
5789 GtkCTreeCompareDragFunc cmp_func)
5790 {
5791 g_return_if_fail (GTK_IS_CTREE (ctree));
5792
5793 ctree->drag_compare = cmp_func;
5794 }
5795
5796 static gboolean
check_drag(GtkCTree * ctree,GtkCTreeNode * drag_source,GtkCTreeNode * drag_target,GtkCListDragPos insert_pos)5797 check_drag (GtkCTree *ctree,
5798 GtkCTreeNode *drag_source,
5799 GtkCTreeNode *drag_target,
5800 GtkCListDragPos insert_pos)
5801 {
5802 g_return_val_if_fail (GTK_IS_CTREE (ctree), FALSE);
5803
5804 if (drag_source && drag_source != drag_target &&
5805 (!GTK_CTREE_ROW (drag_source)->children ||
5806 !gtk_ctree_is_ancestor (ctree, drag_source, drag_target)))
5807 {
5808 switch (insert_pos)
5809 {
5810 case GTK_CLIST_DRAG_NONE:
5811 return FALSE;
5812 case GTK_CLIST_DRAG_AFTER:
5813 if (GTK_CTREE_ROW (drag_target)->sibling != drag_source)
5814 return (!ctree->drag_compare ||
5815 ctree->drag_compare (ctree,
5816 drag_source,
5817 GTK_CTREE_ROW (drag_target)->parent,
5818 GTK_CTREE_ROW (drag_target)->sibling));
5819 break;
5820 case GTK_CLIST_DRAG_BEFORE:
5821 if (GTK_CTREE_ROW (drag_source)->sibling != drag_target)
5822 return (!ctree->drag_compare ||
5823 ctree->drag_compare (ctree,
5824 drag_source,
5825 GTK_CTREE_ROW (drag_target)->parent,
5826 drag_target));
5827 break;
5828 case GTK_CLIST_DRAG_INTO:
5829 if (!GTK_CTREE_ROW (drag_target)->is_leaf &&
5830 GTK_CTREE_ROW (drag_target)->children != drag_source)
5831 return (!ctree->drag_compare ||
5832 ctree->drag_compare (ctree,
5833 drag_source,
5834 drag_target,
5835 GTK_CTREE_ROW (drag_target)->children));
5836 break;
5837 }
5838 }
5839 return FALSE;
5840 }
5841
5842
5843
5844 /************************************/
5845 static void
drag_dest_info_destroy(gpointer data)5846 drag_dest_info_destroy (gpointer data)
5847 {
5848 GtkCListDestInfo *info = data;
5849
5850 g_free (info);
5851 }
5852
5853 static void
drag_dest_cell(GtkCList * clist,gint x,gint y,GtkCListDestInfo * dest_info)5854 drag_dest_cell (GtkCList *clist,
5855 gint x,
5856 gint y,
5857 GtkCListDestInfo *dest_info)
5858 {
5859 GtkWidget *widget;
5860
5861 widget = GTK_WIDGET (clist);
5862
5863 dest_info->insert_pos = GTK_CLIST_DRAG_NONE;
5864
5865 y -= (GTK_CONTAINER (widget)->border_width +
5866 widget->style->ythickness + clist->column_title_area.height);
5867 dest_info->cell.row = ROW_FROM_YPIXEL (clist, y);
5868
5869 if (dest_info->cell.row >= clist->rows)
5870 {
5871 dest_info->cell.row = clist->rows - 1;
5872 y = ROW_TOP_YPIXEL (clist, dest_info->cell.row) + clist->row_height;
5873 }
5874 if (dest_info->cell.row < -1)
5875 dest_info->cell.row = -1;
5876
5877 x -= GTK_CONTAINER (widget)->border_width + widget->style->xthickness;
5878
5879 dest_info->cell.column = COLUMN_FROM_XPIXEL (clist, x);
5880
5881 if (dest_info->cell.row >= 0)
5882 {
5883 gint y_delta;
5884 gint h = 0;
5885
5886 y_delta = y - ROW_TOP_YPIXEL (clist, dest_info->cell.row);
5887
5888 if (GTK_CLIST_DRAW_DRAG_RECT(clist) &&
5889 !GTK_CTREE_ROW (g_list_nth (clist->row_list,
5890 dest_info->cell.row))->is_leaf)
5891 {
5892 dest_info->insert_pos = GTK_CLIST_DRAG_INTO;
5893 h = clist->row_height / 4;
5894 }
5895 else if (GTK_CLIST_DRAW_DRAG_LINE(clist))
5896 {
5897 dest_info->insert_pos = GTK_CLIST_DRAG_BEFORE;
5898 h = clist->row_height / 2;
5899 }
5900
5901 if (GTK_CLIST_DRAW_DRAG_LINE(clist))
5902 {
5903 if (y_delta < h)
5904 dest_info->insert_pos = GTK_CLIST_DRAG_BEFORE;
5905 else if (clist->row_height - y_delta < h)
5906 dest_info->insert_pos = GTK_CLIST_DRAG_AFTER;
5907 }
5908 }
5909 }
5910
5911 static void
gtk_ctree_drag_begin(GtkWidget * widget,GdkDragContext * context)5912 gtk_ctree_drag_begin (GtkWidget *widget,
5913 GdkDragContext *context)
5914 {
5915 GtkCList *clist;
5916 GtkCTree *ctree;
5917 gboolean use_icons;
5918
5919 g_return_if_fail (GTK_IS_CTREE (widget));
5920 g_return_if_fail (context != NULL);
5921
5922 clist = GTK_CLIST (widget);
5923 ctree = GTK_CTREE (widget);
5924
5925 use_icons = GTK_CLIST_USE_DRAG_ICONS (clist);
5926 GTK_CLIST_UNSET_FLAG (clist, CLIST_USE_DRAG_ICONS);
5927 GTK_WIDGET_CLASS (parent_class)->drag_begin (widget, context);
5928
5929 if (use_icons)
5930 {
5931 GtkCTreeNode *node;
5932
5933 GTK_CLIST_SET_FLAG (clist, CLIST_USE_DRAG_ICONS);
5934 node = GTK_CTREE_NODE (g_list_nth (clist->row_list,
5935 clist->click_cell.row));
5936 if (node)
5937 {
5938 if (GTK_CELL_PIXTEXT
5939 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap)
5940 {
5941 gtk_drag_set_icon_pixmap
5942 (context,
5943 gtk_widget_get_colormap (widget),
5944 GTK_CELL_PIXTEXT
5945 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->pixmap,
5946 GTK_CELL_PIXTEXT
5947 (GTK_CTREE_ROW (node)->row.cell[ctree->tree_column])->mask,
5948 -2, -2);
5949 return;
5950 }
5951 }
5952 gtk_drag_set_icon_default (context);
5953 }
5954 }
5955
5956 static gint
gtk_ctree_drag_motion(GtkWidget * widget,GdkDragContext * context,gint x,gint y,guint time)5957 gtk_ctree_drag_motion (GtkWidget *widget,
5958 GdkDragContext *context,
5959 gint x,
5960 gint y,
5961 guint time)
5962 {
5963 GtkCList *clist;
5964 GtkCTree *ctree;
5965 GtkCListDestInfo new_info;
5966 GtkCListDestInfo *dest_info;
5967
5968 g_return_val_if_fail (GTK_IS_CTREE (widget), FALSE);
5969
5970 clist = GTK_CLIST (widget);
5971 ctree = GTK_CTREE (widget);
5972
5973 dest_info = g_dataset_get_data (context, "gtk-clist-drag-dest");
5974
5975 if (!dest_info)
5976 {
5977 dest_info = g_new (GtkCListDestInfo, 1);
5978
5979 dest_info->cell.row = -1;
5980 dest_info->cell.column = -1;
5981 dest_info->insert_pos = GTK_CLIST_DRAG_NONE;
5982
5983 g_dataset_set_data_full (context, "gtk-clist-drag-dest", dest_info,
5984 drag_dest_info_destroy);
5985 }
5986
5987 drag_dest_cell (clist, x, y, &new_info);
5988
5989 if (GTK_CLIST_REORDERABLE (clist))
5990 {
5991 GList *list;
5992 GdkAtom atom = gdk_atom_intern_static_string ("gtk-clist-drag-reorder");
5993
5994 list = context->targets;
5995 while (list)
5996 {
5997 if (atom == GDK_POINTER_TO_ATOM (list->data))
5998 break;
5999 list = list->next;
6000 }
6001
6002 if (list)
6003 {
6004 GtkCTreeNode *drag_source;
6005 GtkCTreeNode *drag_target;
6006
6007 drag_source = GTK_CTREE_NODE (g_list_nth (clist->row_list,
6008 clist->click_cell.row));
6009 drag_target = GTK_CTREE_NODE (g_list_nth (clist->row_list,
6010 new_info.cell.row));
6011
6012 if (gtk_drag_get_source_widget (context) != widget ||
6013 !check_drag (ctree, drag_source, drag_target,
6014 new_info.insert_pos))
6015 {
6016 if (dest_info->cell.row < 0)
6017 {
6018 gdk_drag_status (context, GDK_ACTION_DEFAULT, time);
6019 return FALSE;
6020 }
6021 return TRUE;
6022 }
6023
6024 if (new_info.cell.row != dest_info->cell.row ||
6025 (new_info.cell.row == dest_info->cell.row &&
6026 dest_info->insert_pos != new_info.insert_pos))
6027 {
6028 if (dest_info->cell.row >= 0)
6029 GTK_CLIST_GET_CLASS (clist)->draw_drag_highlight
6030 (clist,
6031 g_list_nth (clist->row_list, dest_info->cell.row)->data,
6032 dest_info->cell.row, dest_info->insert_pos);
6033
6034 dest_info->insert_pos = new_info.insert_pos;
6035 dest_info->cell.row = new_info.cell.row;
6036 dest_info->cell.column = new_info.cell.column;
6037
6038 GTK_CLIST_GET_CLASS (clist)->draw_drag_highlight
6039 (clist,
6040 g_list_nth (clist->row_list, dest_info->cell.row)->data,
6041 dest_info->cell.row, dest_info->insert_pos);
6042
6043 clist->drag_highlight_row = dest_info->cell.row;
6044 clist->drag_highlight_pos = dest_info->insert_pos;
6045
6046 gdk_drag_status (context, context->suggested_action, time);
6047 }
6048 return TRUE;
6049 }
6050 }
6051
6052 dest_info->insert_pos = new_info.insert_pos;
6053 dest_info->cell.row = new_info.cell.row;
6054 dest_info->cell.column = new_info.cell.column;
6055 return TRUE;
6056 }
6057
6058 static void
gtk_ctree_drag_data_received(GtkWidget * widget,GdkDragContext * context,gint x,gint y,GtkSelectionData * selection_data,guint info,guint32 time)6059 gtk_ctree_drag_data_received (GtkWidget *widget,
6060 GdkDragContext *context,
6061 gint x,
6062 gint y,
6063 GtkSelectionData *selection_data,
6064 guint info,
6065 guint32 time)
6066 {
6067 GtkCTree *ctree;
6068 GtkCList *clist;
6069
6070 g_return_if_fail (GTK_IS_CTREE (widget));
6071 g_return_if_fail (context != NULL);
6072 g_return_if_fail (selection_data != NULL);
6073
6074 ctree = GTK_CTREE (widget);
6075 clist = GTK_CLIST (widget);
6076
6077 if (GTK_CLIST_REORDERABLE (clist) &&
6078 gtk_drag_get_source_widget (context) == widget &&
6079 selection_data->target ==
6080 gdk_atom_intern_static_string ("gtk-clist-drag-reorder") &&
6081 selection_data->format == 8 &&
6082 selection_data->length == sizeof (GtkCListCellInfo))
6083 {
6084 GtkCListCellInfo *source_info;
6085
6086 source_info = (GtkCListCellInfo *)(selection_data->data);
6087 if (source_info)
6088 {
6089 GtkCListDestInfo dest_info;
6090 GtkCTreeNode *source_node;
6091 GtkCTreeNode *dest_node;
6092
6093 drag_dest_cell (clist, x, y, &dest_info);
6094
6095 source_node = GTK_CTREE_NODE (g_list_nth (clist->row_list,
6096 source_info->row));
6097 dest_node = GTK_CTREE_NODE (g_list_nth (clist->row_list,
6098 dest_info.cell.row));
6099
6100 if (!source_node || !dest_node)
6101 return;
6102
6103 switch (dest_info.insert_pos)
6104 {
6105 case GTK_CLIST_DRAG_NONE:
6106 break;
6107 case GTK_CLIST_DRAG_INTO:
6108 if (check_drag (ctree, source_node, dest_node,
6109 dest_info.insert_pos))
6110 gtk_ctree_move (ctree, source_node, dest_node,
6111 GTK_CTREE_ROW (dest_node)->children);
6112 g_dataset_remove_data (context, "gtk-clist-drag-dest");
6113 break;
6114 case GTK_CLIST_DRAG_BEFORE:
6115 if (check_drag (ctree, source_node, dest_node,
6116 dest_info.insert_pos))
6117 gtk_ctree_move (ctree, source_node,
6118 GTK_CTREE_ROW (dest_node)->parent, dest_node);
6119 g_dataset_remove_data (context, "gtk-clist-drag-dest");
6120 break;
6121 case GTK_CLIST_DRAG_AFTER:
6122 if (check_drag (ctree, source_node, dest_node,
6123 dest_info.insert_pos))
6124 gtk_ctree_move (ctree, source_node,
6125 GTK_CTREE_ROW (dest_node)->parent,
6126 GTK_CTREE_ROW (dest_node)->sibling);
6127 g_dataset_remove_data (context, "gtk-clist-drag-dest");
6128 break;
6129 }
6130 }
6131 }
6132 }
6133
6134 GType
gtk_ctree_node_get_type(void)6135 gtk_ctree_node_get_type (void)
6136 {
6137 static GType our_type = 0;
6138
6139 if (our_type == 0)
6140 our_type = g_pointer_type_register_static ("GtkCTreeNode");
6141
6142 return our_type;
6143 }
6144
6145 #include "gtkaliasdef.c"
6146