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 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
19 */
20
21 /*
22 * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
23 * file for a list of people on the GTK+ Team. See the ChangeLog
24 * files for a list of changes. These files are distributed with
25 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
26 */
27
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include "gtk_hlist.h"
32 #include <gtk/gtk.h>
33 #include <gdk/gdkx.h>
34 #include <gdk/gdkkeysyms.h>
35
36 /* length of button_actions array */
37 #define MAX_BUTTON 5
38
39 /* the number rows memchunk expands at a time */
40 #define HLIST_OPTIMUM_SIZE 64
41
42 /* the width of the column resize windows */
43 #define DRAG_WIDTH 6
44
45 /* minimum allowed width of a column */
46 #define COLUMN_MIN_WIDTH 5
47
48 /* this defigns the base grid spacing */
49 #define HELL_SPACING 0
50
51 /* added the horizontal space at the beginning and end of a row*/
52 #define COLUMN_INSET 0
53
54 /* used for auto-scrolling */
55 #define SCROLL_TIME 100
56
57 /* gives the top pixel of the given row in context of
58 * the hlist's voffset */
59 #define ROW_TOP_YPIXEL(hlist, row) (((hlist)->row_height * (row)) + \
60 (((row) + 1) * HELL_SPACING) + \
61 (hlist)->voffset)
62
63 /* returns the row index from a y pixel location in the
64 * context of the hlist's voffset */
65 #define ROW_FROM_YPIXEL(hlist, y) (((y) - (hlist)->voffset) / \
66 ((hlist)->row_height + HELL_SPACING))
67
68 /* gives the left pixel of the given column in context of
69 * the hlist's hoffset */
70 #define COLUMN_LEFT_XPIXEL(hlist, colnum) ((hlist)->column[(colnum)].area.x + \
71 (hlist)->hoffset)
72
73 /* returns the column index from a x pixel location in the
74 * context of the hlist's hoffset */
75 static inline gint
COLUMN_FROM_XPIXEL(GtkHList * hlist,gint x)76 COLUMN_FROM_XPIXEL (GtkHList * hlist,
77 gint x)
78 {
79 gint i, cx;
80
81 for (i = 0; i < hlist->columns; i++)
82 if (hlist->column[i].visible)
83 {
84 cx = hlist->column[i].area.x + hlist->hoffset;
85
86 if (x >= (cx - (COLUMN_INSET + HELL_SPACING)) &&
87 x <= (cx + hlist->column[i].area.width + COLUMN_INSET))
88 return i;
89 }
90
91 /* no match */
92 return -1;
93 }
94
95 /* returns the top pixel of the given row in the context of
96 * the list height */
97 #define ROW_TOP(hlist, row) (((hlist)->row_height + HELL_SPACING) * (row))
98
99 /* returns the left pixel of the given column in the context of
100 * the list width */
101 #define COLUMN_LEFT(hlist, colnum) ((hlist)->column[(colnum)].area.x)
102
103 /* returns the total height of the list */
104 #define LIST_HEIGHT(hlist) (((hlist)->row_height * ((hlist)->rows)) + \
105 (HELL_SPACING * ((hlist)->rows + 1)))
106
107
108 /* returns the total width of the list */
109 static inline gint
LIST_WIDTH(GtkHList * hlist)110 LIST_WIDTH (GtkHList * hlist)
111 {
112 gint last_column;
113
114 for (last_column = hlist->columns - 1;
115 last_column >= 0 && !hlist->column[last_column].visible; last_column--);
116
117 if (last_column >= 0)
118 return (hlist->column[last_column].area.x +
119 hlist->column[last_column].area.width +
120 COLUMN_INSET + HELL_SPACING);
121 return 0;
122 }
123
124 #define GTK_HLIST_CLASS_FW(_widget_) GTK_HLIST_CLASS (((GtkObject*) (_widget_))->klass)
125
126 /* redraw the list if it's not frozen */
127 #define HLIST_UNFROZEN(hlist) (((GtkHList*) (hlist))->freeze_count == 0)
128 #define HLIST_REFRESH(hlist) G_STMT_START { \
129 if (HLIST_UNFROZEN (hlist)) \
130 GTK_HLIST_CLASS_FW (hlist)->refresh ((GtkHList*) (hlist)); \
131 } G_STMT_END
132
133
134 /* Signals */
135 enum {
136 SELECT_ROW,
137 UNSELECT_ROW,
138 ROW_MOVE,
139 CLICK_COLUMN,
140 RESIZE_COLUMN,
141 TOGGLE_FOCUS_ROW,
142 SELECT_ALL,
143 UNSELECT_ALL,
144 UNDO_SELECTION,
145 START_SELECTION,
146 END_SELECTION,
147 TOGGLE_ADD_MODE,
148 EXTEND_SELECTION,
149 SCROLL_VERTICAL,
150 SCROLL_HORIZONTAL,
151 ABORT_COLUMN_RESIZE,
152 LAST_SIGNAL
153 };
154
155 enum {
156 SYNC_REMOVE,
157 SYNC_INSERT
158 };
159
160 enum {
161 ARG_0,
162 ARG_N_COLUMNS,
163 ARG_SHADOW_TYPE,
164 ARG_SELECTION_MODE,
165 ARG_ROW_HEIGHT,
166 ARG_TITLES_ACTIVE,
167 ARG_REORDERABLE,
168 ARG_USE_DRAG_ICONS,
169 ARG_SORT_TYPE
170 };
171
172 /* GtkHList Methods */
173 static void gtk_hlist_class_init (GtkHListClass *klass);
174 static void gtk_hlist_init (GtkHList *hlist);
175
176 /* GtkObject Methods */
177 static void gtk_hlist_destroy (GtkObject *object);
178 static void gtk_hlist_finalize (GtkObject *object);
179 static void gtk_hlist_set_arg (GtkObject *object,
180 GtkArg *arg,
181 guint arg_id);
182 static void gtk_hlist_get_arg (GtkObject *object,
183 GtkArg *arg,
184 guint arg_id);
185
186 /* GtkWidget Methods */
187 static void gtk_hlist_set_scroll_adjustments (GtkHList *hlist,
188 GtkAdjustment *hadjustment,
189 GtkAdjustment *vadjustment);
190 static void gtk_hlist_realize (GtkWidget *widget);
191 static void gtk_hlist_unrealize (GtkWidget *widget);
192 static void gtk_hlist_map (GtkWidget *widget);
193 static void gtk_hlist_unmap (GtkWidget *widget);
194 static void gtk_hlist_draw (GtkWidget *widget,
195 GdkRectangle *area);
196 static gint gtk_hlist_expose (GtkWidget *widget,
197 GdkEventExpose *event);
198 static gint gtk_hlist_key_press (GtkWidget *widget,
199 GdkEventKey *event);
200 static gint gtk_hlist_button_press (GtkWidget *widget,
201 GdkEventButton *event);
202 static gint gtk_hlist_button_release (GtkWidget *widget,
203 GdkEventButton *event);
204 static gint gtk_hlist_motion (GtkWidget *widget,
205 GdkEventMotion *event);
206 static void gtk_hlist_size_request (GtkWidget *widget,
207 GtkRequisition *requisition);
208 static void gtk_hlist_size_allocate (GtkWidget *widget,
209 GtkAllocation *allocation);
210 static void gtk_hlist_draw_focus (GtkWidget *widget);
211 static gint gtk_hlist_focus_in (GtkWidget *widget,
212 GdkEventFocus *event);
213 static gint gtk_hlist_focus_out (GtkWidget *widget,
214 GdkEventFocus *event);
215 static gint gtk_hlist_focus (GtkContainer *container,
216 GtkDirectionType direction);
217 static void gtk_hlist_style_set (GtkWidget *widget,
218 GtkStyle *previous_style);
219 static void gtk_hlist_drag_begin (GtkWidget *widget,
220 GdkDragContext *context);
221 static gint gtk_hlist_drag_motion (GtkWidget *widget,
222 GdkDragContext *context,
223 gint x,
224 gint y,
225 guint time);
226 static void gtk_hlist_drag_leave (GtkWidget *widget,
227 GdkDragContext *context,
228 guint time);
229 static void gtk_hlist_drag_end (GtkWidget *widget,
230 GdkDragContext *context);
231 static gboolean gtk_hlist_drag_drop (GtkWidget *widget,
232 GdkDragContext *context,
233 gint x,
234 gint y,
235 guint time);
236 static void gtk_hlist_drag_data_get (GtkWidget *widget,
237 GdkDragContext *context,
238 GtkSelectionData *selection_data,
239 guint info,
240 guint time);
241 static void gtk_hlist_drag_data_received (GtkWidget *widget,
242 GdkDragContext *context,
243 gint x,
244 gint y,
245 GtkSelectionData *selection_data,
246 guint info,
247 guint time);
248
249 /* GtkContainer Methods */
250 static void gtk_hlist_set_focus_child (GtkContainer *container,
251 GtkWidget *child);
252 static void gtk_hlist_forall (GtkContainer *container,
253 gboolean include_internals,
254 GtkCallback callback,
255 gpointer callback_data);
256
257 /* Selection */
258 static void toggle_row (GtkHList *hlist,
259 gint row,
260 gint column,
261 GdkEvent *event);
262 static void real_select_row (GtkHList *hlist,
263 gint row,
264 gint column,
265 GdkEvent *event);
266 static void real_unselect_row (GtkHList *hlist,
267 gint row,
268 gint column,
269 GdkEvent *event);
270 static void update_extended_selection (GtkHList *hlist,
271 gint row);
272 static GList *selection_find (GtkHList *hlist,
273 gint row_number,
274 GList *row_list_element);
275 static void real_select_all (GtkHList *hlist);
276 static void real_unselect_all (GtkHList *hlist);
277 static void move_vertical (GtkHList *hlist,
278 gint row,
279 gfloat align);
280 static void move_horizontal (GtkHList *hlist,
281 gint diff);
282 static void real_undo_selection (GtkHList *hlist);
283 static void fake_unselect_all (GtkHList *hlist,
284 gint row);
285 static void fake_toggle_row (GtkHList *hlist,
286 gint row);
287 static void resync_selection (GtkHList *hlist,
288 GdkEvent *event);
289 static void sync_selection (GtkHList *hlist,
290 gint row,
291 gint mode);
292 static void set_anchor (GtkHList *hlist,
293 gboolean add_mode,
294 gint anchor,
295 gint undo_anchor);
296 static void start_selection (GtkHList *hlist);
297 static void end_selection (GtkHList *hlist);
298 static void toggle_add_mode (GtkHList *hlist);
299 static void toggle_focus_row (GtkHList *hlist);
300 static void extend_selection (GtkHList *hlist,
301 GtkScrollType scroll_type,
302 gfloat position,
303 gboolean auto_start_selection);
304 static gint get_selection_info (GtkHList *hlist,
305 gint x,
306 gint y,
307 gint *row,
308 gint *column);
309
310 /* Scrolling */
311 static void move_focus_row (GtkHList *hlist,
312 GtkScrollType scroll_type,
313 gfloat position);
314 static void scroll_horizontal (GtkHList *hlist,
315 GtkScrollType scroll_type,
316 gfloat position);
317 static void scroll_vertical (GtkHList *hlist,
318 GtkScrollType scroll_type,
319 gfloat position);
320 static void move_horizontal (GtkHList *hlist,
321 gint diff);
322 static void move_vertical (GtkHList *hlist,
323 gint row,
324 gfloat align);
325 static gint horizontal_timeout (GtkHList *hlist);
326 static gint vertical_timeout (GtkHList *hlist);
327 static void remove_grab (GtkHList *hlist);
328
329
330 /* Resize Columns */
331 static void draw_xor_line (GtkHList *hlist);
332 static gint new_column_width (GtkHList *hlist,
333 gint column,
334 gint *x);
335 static void column_auto_resize (GtkHList *hlist,
336 GtkHListRow *hlist_row,
337 gint column,
338 gint old_width);
339 static void real_resize_column (GtkHList *hlist,
340 gint column,
341 gint width);
342 static void abort_column_resize (GtkHList *hlist);
343 static void cell_size_request (GtkHList *hlist,
344 GtkHListRow *hlist_row,
345 gint column,
346 GtkRequisition *requisition);
347
348 /* Buttons */
349 static void column_button_create (GtkHList *hlist,
350 gint column);
351 static void column_button_clicked (GtkWidget *widget,
352 gpointer data);
353
354 /* Adjustments */
355 static void adjust_adjustments (GtkHList *hlist,
356 gboolean block_resize);
357 static void check_exposures (GtkHList *hlist);
358 static void vadjustment_changed (GtkAdjustment *adjustment,
359 gpointer data);
360 static void vadjustment_value_changed (GtkAdjustment *adjustment,
361 gpointer data);
362 static void hadjustment_changed (GtkAdjustment *adjustment,
363 gpointer data);
364 static void hadjustment_value_changed (GtkAdjustment *adjustment,
365 gpointer data);
366
367 /* Drawing */
368 static void get_cell_style (GtkHList *hlist,
369 GtkHListRow *hlist_row,
370 gint state,
371 gint column,
372 GtkStyle **style,
373 GdkGC **fg_gc,
374 GdkGC **bg_gc);
375 static gint draw_cell_pixmap (GdkWindow *window,
376 GdkRectangle *clip_rectangle,
377 GdkGC *fg_gc,
378 GdkGC *fill_gc,
379 GdkPixmap *pixmap,
380 GdkBitmap *mask,
381 gint x,
382 gint y,
383 gint width,
384 gint height);
385 static void draw_row (GtkHList *hlist,
386 GdkRectangle *area,
387 gint row,
388 GtkHListRow *hlist_row);
389 static void draw_rows (GtkHList *hlist,
390 GdkRectangle *area);
391 static void hlist_refresh (GtkHList *hlist);
392 static void draw_drag_highlight (GtkHList *hlist,
393 GtkHListRow *dest_row,
394 gint dest_row_number,
395 GtkHListDragPos drag_pos);
396
397 /* Size Allocation / Requisition */
398 static void size_allocate_title_buttons (GtkHList *hlist);
399 static void size_allocate_columns (GtkHList *hlist,
400 gboolean block_resize);
401 static gint list_requisition_width (GtkHList *hlist);
402
403 /* Memory Allocation/Distruction Routines */
404 static GtkHListColumn *columns_new (GtkHList *hlist);
405 static void column_title_new (GtkHList *hlist,
406 gint column,
407 const gchar *title);
408 static void columns_delete (GtkHList *hlist);
409 static GtkHListRow *row_new (GtkHList *hlist);
410 static void row_delete (GtkHList *hlist,
411 GtkHListRow *hlist_row);
412 static void set_cell_contents (GtkHList *hlist,
413 GtkHListRow *hlist_row,
414 gint column,
415 GtkHellType type,
416 const gchar *text,
417 guint8 spacing,
418 GdkPixmap *pixmap,
419 GdkBitmap *mask);
420 static gint real_insert_row (GtkHList *hlist,
421 gint row,
422 gchar *text[]);
423 static void real_remove_row (GtkHList *hlist,
424 gint row);
425 static void real_clear (GtkHList *hlist);
426
427 /* Sorting */
428 static gint default_compare (GtkHList *hlist,
429 gconstpointer row1,
430 gconstpointer row2);
431 static void real_sort_list (GtkHList *hlist);
432 static GList *gtk_hlist_merge (GtkHList *hlist,
433 GList *a,
434 GList *b);
435 static GList *gtk_hlist_mergesort (GtkHList *hlist,
436 GList *list,
437 gint num);
438 /* Misc */
439 static gboolean title_focus (GtkHList *hlist,
440 gint dir);
441 static void real_row_move (GtkHList *hlist,
442 gint source_row,
443 gint dest_row);
444 static gint column_title_passive_func (GtkWidget *widget,
445 GdkEvent *event,
446 gpointer data);
447 static void drag_dest_cell (GtkHList *hlist,
448 gint x,
449 gint y,
450 GtkHListDestInfo *dest_info);
451
452
453
454 static GtkContainerClass *parent_class = NULL;
455 static guint hlist_signals[LAST_SIGNAL] = {0};
456
457 static GtkTargetEntry hlist_target_table = { "gtk-hlist-drag-reorder", 0, 0};
458
459 GtkType
gtk_hlist_get_type(void)460 gtk_hlist_get_type (void)
461 {
462 static GtkType hlist_type = 0;
463
464 if (!hlist_type)
465 {
466 static const GtkTypeInfo hlist_info =
467 {
468 "GtkHList",
469 sizeof (GtkHList),
470 sizeof (GtkHListClass),
471 (GtkClassInitFunc) gtk_hlist_class_init,
472 (GtkObjectInitFunc) gtk_hlist_init,
473 /* reserved_1 */ NULL,
474 /* reserved_2 */ NULL,
475 (GtkClassInitFunc) NULL,
476 };
477
478 hlist_type = gtk_type_unique (GTK_TYPE_CONTAINER, &hlist_info);
479 }
480
481 return hlist_type;
482 }
483
484 static void
gtk_hlist_class_init(GtkHListClass * klass)485 gtk_hlist_class_init (GtkHListClass *klass)
486 {
487 GtkObjectClass *object_class;
488 GtkWidgetClass *widget_class;
489 GtkContainerClass *container_class;
490 GtkBindingSet *binding_set;
491
492 object_class = (GtkObjectClass *) klass;
493 widget_class = (GtkWidgetClass *) klass;
494 container_class = (GtkContainerClass *) klass;
495
496 parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
497
498 gtk_object_add_arg_type ("GtkHList::n_columns",
499 GTK_TYPE_UINT,
500 GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT_ONLY,
501 ARG_N_COLUMNS);
502 gtk_object_add_arg_type ("GtkHList::shadow_type",
503 GTK_TYPE_SHADOW_TYPE,
504 GTK_ARG_READWRITE,
505 ARG_SHADOW_TYPE);
506 gtk_object_add_arg_type ("GtkHList::selection_mode",
507 GTK_TYPE_SELECTION_MODE,
508 GTK_ARG_READWRITE,
509 ARG_SELECTION_MODE);
510 gtk_object_add_arg_type ("GtkHList::row_height",
511 GTK_TYPE_UINT,
512 GTK_ARG_READWRITE,
513 ARG_ROW_HEIGHT);
514 gtk_object_add_arg_type ("GtkHList::reorderable",
515 GTK_TYPE_BOOL,
516 GTK_ARG_READWRITE,
517 ARG_REORDERABLE);
518 gtk_object_add_arg_type ("GtkHList::titles_active",
519 GTK_TYPE_BOOL,
520 GTK_ARG_READWRITE,
521 ARG_TITLES_ACTIVE);
522 gtk_object_add_arg_type ("GtkHList::use_drag_icons",
523 GTK_TYPE_BOOL,
524 GTK_ARG_READWRITE,
525 ARG_USE_DRAG_ICONS);
526 gtk_object_add_arg_type ("GtkHList::sort_type",
527 GTK_TYPE_SORT_TYPE,
528 GTK_ARG_READWRITE,
529 ARG_SORT_TYPE);
530 object_class->set_arg = gtk_hlist_set_arg;
531 object_class->get_arg = gtk_hlist_get_arg;
532 object_class->destroy = gtk_hlist_destroy;
533 object_class->finalize = gtk_hlist_finalize;
534
535
536 widget_class->set_scroll_adjustments_signal =
537 gtk_signal_new ("set_scroll_adjustments",
538 GTK_RUN_LAST,
539 object_class->type,
540 GTK_SIGNAL_OFFSET (GtkHListClass, set_scroll_adjustments),
541 gtk_marshal_NONE__POINTER_POINTER,
542 GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);
543
544 hlist_signals[SELECT_ROW] =
545 gtk_signal_new ("select_row",
546 GTK_RUN_FIRST,
547 object_class->type,
548 GTK_SIGNAL_OFFSET (GtkHListClass, select_row),
549 gtk_marshal_NONE__INT_INT_POINTER,
550 GTK_TYPE_NONE, 3,
551 GTK_TYPE_INT,
552 GTK_TYPE_INT,
553 GTK_TYPE_GDK_EVENT);
554 hlist_signals[UNSELECT_ROW] =
555 gtk_signal_new ("unselect_row",
556 GTK_RUN_FIRST,
557 object_class->type,
558 GTK_SIGNAL_OFFSET (GtkHListClass, unselect_row),
559 gtk_marshal_NONE__INT_INT_POINTER,
560 GTK_TYPE_NONE, 3, GTK_TYPE_INT,
561 GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);
562 hlist_signals[ROW_MOVE] =
563 gtk_signal_new ("row_move",
564 GTK_RUN_LAST,
565 object_class->type,
566 GTK_SIGNAL_OFFSET (GtkHListClass, row_move),
567 gtk_marshal_NONE__INT_INT,
568 GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
569 hlist_signals[CLICK_COLUMN] =
570 gtk_signal_new ("click_column",
571 GTK_RUN_FIRST,
572 object_class->type,
573 GTK_SIGNAL_OFFSET (GtkHListClass, click_column),
574 gtk_marshal_NONE__INT,
575 GTK_TYPE_NONE, 1, GTK_TYPE_INT);
576 hlist_signals[RESIZE_COLUMN] =
577 gtk_signal_new ("resize_column",
578 GTK_RUN_LAST,
579 object_class->type,
580 GTK_SIGNAL_OFFSET (GtkHListClass, resize_column),
581 gtk_marshal_NONE__INT_INT,
582 GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
583
584 hlist_signals[TOGGLE_FOCUS_ROW] =
585 gtk_signal_new ("toggle_focus_row",
586 GTK_RUN_LAST | GTK_RUN_ACTION,
587 object_class->type,
588 GTK_SIGNAL_OFFSET (GtkHListClass, toggle_focus_row),
589 gtk_marshal_NONE__NONE,
590 GTK_TYPE_NONE, 0);
591 hlist_signals[SELECT_ALL] =
592 gtk_signal_new ("select_all",
593 GTK_RUN_LAST | GTK_RUN_ACTION,
594 object_class->type,
595 GTK_SIGNAL_OFFSET (GtkHListClass, select_all),
596 gtk_marshal_NONE__NONE,
597 GTK_TYPE_NONE, 0);
598 hlist_signals[UNSELECT_ALL] =
599 gtk_signal_new ("unselect_all",
600 GTK_RUN_LAST | GTK_RUN_ACTION,
601 object_class->type,
602 GTK_SIGNAL_OFFSET (GtkHListClass, unselect_all),
603 gtk_marshal_NONE__NONE,
604 GTK_TYPE_NONE, 0);
605 hlist_signals[UNDO_SELECTION] =
606 gtk_signal_new ("undo_selection",
607 GTK_RUN_LAST | GTK_RUN_ACTION,
608 object_class->type,
609 GTK_SIGNAL_OFFSET (GtkHListClass, undo_selection),
610 gtk_marshal_NONE__NONE,
611 GTK_TYPE_NONE, 0);
612 hlist_signals[START_SELECTION] =
613 gtk_signal_new ("start_selection",
614 GTK_RUN_LAST | GTK_RUN_ACTION,
615 object_class->type,
616 GTK_SIGNAL_OFFSET (GtkHListClass, start_selection),
617 gtk_marshal_NONE__NONE,
618 GTK_TYPE_NONE, 0);
619 hlist_signals[END_SELECTION] =
620 gtk_signal_new ("end_selection",
621 GTK_RUN_LAST | GTK_RUN_ACTION,
622 object_class->type,
623 GTK_SIGNAL_OFFSET (GtkHListClass, end_selection),
624 gtk_marshal_NONE__NONE,
625 GTK_TYPE_NONE, 0);
626 hlist_signals[TOGGLE_ADD_MODE] =
627 gtk_signal_new ("toggle_add_mode",
628 GTK_RUN_LAST | GTK_RUN_ACTION,
629 object_class->type,
630 GTK_SIGNAL_OFFSET (GtkHListClass, toggle_add_mode),
631 gtk_marshal_NONE__NONE,
632 GTK_TYPE_NONE, 0);
633 hlist_signals[EXTEND_SELECTION] =
634 gtk_signal_new ("extend_selection",
635 GTK_RUN_LAST | GTK_RUN_ACTION,
636 object_class->type,
637 GTK_SIGNAL_OFFSET (GtkHListClass, extend_selection),
638 gtk_marshal_NONE__ENUM_FLOAT_BOOL,
639 GTK_TYPE_NONE, 3,
640 GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT, GTK_TYPE_BOOL);
641 hlist_signals[SCROLL_VERTICAL] =
642 gtk_signal_new ("scroll_vertical",
643 GTK_RUN_LAST | GTK_RUN_ACTION,
644 object_class->type,
645 GTK_SIGNAL_OFFSET (GtkHListClass, scroll_vertical),
646 gtk_marshal_NONE__ENUM_FLOAT,
647 GTK_TYPE_NONE, 2, GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT);
648 hlist_signals[SCROLL_HORIZONTAL] =
649 gtk_signal_new ("scroll_horizontal",
650 GTK_RUN_LAST | GTK_RUN_ACTION,
651 object_class->type,
652 GTK_SIGNAL_OFFSET (GtkHListClass, scroll_horizontal),
653 gtk_marshal_NONE__ENUM_FLOAT,
654 GTK_TYPE_NONE, 2, GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT);
655 hlist_signals[ABORT_COLUMN_RESIZE] =
656 gtk_signal_new ("abort_column_resize",
657 GTK_RUN_LAST | GTK_RUN_ACTION,
658 object_class->type,
659 GTK_SIGNAL_OFFSET (GtkHListClass, abort_column_resize),
660 gtk_marshal_NONE__NONE,
661 GTK_TYPE_NONE, 0);
662 gtk_object_class_add_signals (object_class, hlist_signals, LAST_SIGNAL);
663
664 widget_class->realize = gtk_hlist_realize;
665 widget_class->unrealize = gtk_hlist_unrealize;
666 widget_class->map = gtk_hlist_map;
667 widget_class->unmap = gtk_hlist_unmap;
668 widget_class->draw = gtk_hlist_draw;
669 widget_class->button_press_event = gtk_hlist_button_press;
670 widget_class->button_release_event = gtk_hlist_button_release;
671 widget_class->motion_notify_event = gtk_hlist_motion;
672 widget_class->expose_event = gtk_hlist_expose;
673 widget_class->size_request = gtk_hlist_size_request;
674 widget_class->size_allocate = gtk_hlist_size_allocate;
675 widget_class->key_press_event = gtk_hlist_key_press;
676 widget_class->focus_in_event = gtk_hlist_focus_in;
677 widget_class->focus_out_event = gtk_hlist_focus_out;
678 widget_class->draw_focus = gtk_hlist_draw_focus;
679 widget_class->style_set = gtk_hlist_style_set;
680 widget_class->drag_begin = gtk_hlist_drag_begin;
681 widget_class->drag_end = gtk_hlist_drag_end;
682 widget_class->drag_motion = gtk_hlist_drag_motion;
683 widget_class->drag_leave = gtk_hlist_drag_leave;
684 widget_class->drag_drop = gtk_hlist_drag_drop;
685 widget_class->drag_data_get = gtk_hlist_drag_data_get;
686 widget_class->drag_data_received = gtk_hlist_drag_data_received;
687
688 /* container_class->add = NULL; use the default GtkContainerClass warning */
689 /* container_class->remove=NULL; use the default GtkContainerClass warning */
690
691 container_class->forall = gtk_hlist_forall;
692 container_class->focus = gtk_hlist_focus;
693 container_class->set_focus_child = gtk_hlist_set_focus_child;
694
695 klass->set_scroll_adjustments = gtk_hlist_set_scroll_adjustments;
696 klass->refresh = hlist_refresh;
697 klass->select_row = real_select_row;
698 klass->unselect_row = real_unselect_row;
699 klass->row_move = real_row_move;
700 klass->undo_selection = real_undo_selection;
701 klass->resync_selection = resync_selection;
702 klass->selection_find = selection_find;
703 klass->click_column = NULL;
704 klass->resize_column = real_resize_column;
705 klass->draw_row = draw_row;
706 klass->draw_drag_highlight = draw_drag_highlight;
707 klass->insert_row = real_insert_row;
708 klass->remove_row = real_remove_row;
709 klass->clear = real_clear;
710 klass->sort_list = real_sort_list;
711 klass->select_all = real_select_all;
712 klass->unselect_all = real_unselect_all;
713 klass->fake_unselect_all = fake_unselect_all;
714 klass->scroll_horizontal = scroll_horizontal;
715 klass->scroll_vertical = scroll_vertical;
716 klass->extend_selection = extend_selection;
717 klass->toggle_focus_row = toggle_focus_row;
718 klass->toggle_add_mode = toggle_add_mode;
719 klass->start_selection = start_selection;
720 klass->end_selection = end_selection;
721 klass->abort_column_resize = abort_column_resize;
722 klass->set_cell_contents = set_cell_contents;
723 klass->cell_size_request = cell_size_request;
724
725 binding_set = gtk_binding_set_by_class (klass);
726 gtk_binding_entry_add_signal (binding_set, GDK_Up, 0,
727 "scroll_vertical", 2,
728 GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
729 GTK_TYPE_FLOAT, 0.0);
730 gtk_binding_entry_add_signal (binding_set, GDK_Down, 0,
731 "scroll_vertical", 2,
732 GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
733 GTK_TYPE_FLOAT, 0.0);
734 gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, 0,
735 "scroll_vertical", 2,
736 GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD,
737 GTK_TYPE_FLOAT, 0.0);
738 gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, 0,
739 "scroll_vertical", 2,
740 GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD,
741 GTK_TYPE_FLOAT, 0.0);
742 gtk_binding_entry_add_signal (binding_set, GDK_Home, GDK_CONTROL_MASK,
743 "scroll_vertical", 2,
744 GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
745 GTK_TYPE_FLOAT, 0.0);
746 gtk_binding_entry_add_signal (binding_set, GDK_End, GDK_CONTROL_MASK,
747 "scroll_vertical", 2,
748 GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
749 GTK_TYPE_FLOAT, 1.0);
750
751 gtk_binding_entry_add_signal (binding_set, GDK_Up, GDK_SHIFT_MASK,
752 "extend_selection", 3,
753 GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
754 GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
755 gtk_binding_entry_add_signal (binding_set, GDK_Down, GDK_SHIFT_MASK,
756 "extend_selection", 3,
757 GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
758 GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
759 gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, GDK_SHIFT_MASK,
760 "extend_selection", 3,
761 GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD,
762 GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
763 gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, GDK_SHIFT_MASK,
764 "extend_selection", 3,
765 GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD,
766 GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
767 gtk_binding_entry_add_signal (binding_set, GDK_Home,
768 GDK_SHIFT_MASK | GDK_CONTROL_MASK,
769 "extend_selection", 3,
770 GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
771 GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
772 gtk_binding_entry_add_signal (binding_set, GDK_End,
773 GDK_SHIFT_MASK | GDK_CONTROL_MASK,
774 "extend_selection", 3,
775 GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
776 GTK_TYPE_FLOAT, 1.0, GTK_TYPE_BOOL, TRUE);
777
778 gtk_binding_entry_add_signal (binding_set, GDK_Left, 0,
779 "scroll_horizontal", 2,
780 GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
781 GTK_TYPE_FLOAT, 0.0);
782 gtk_binding_entry_add_signal (binding_set, GDK_Right, 0,
783 "scroll_horizontal", 2,
784 GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
785 GTK_TYPE_FLOAT, 0.0);
786 gtk_binding_entry_add_signal (binding_set, GDK_Home, 0,
787 "scroll_horizontal", 2,
788 GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
789 GTK_TYPE_FLOAT, 0.0);
790 gtk_binding_entry_add_signal (binding_set, GDK_End, 0,
791 "scroll_horizontal", 2,
792 GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
793 GTK_TYPE_FLOAT, 1.0);
794
795 gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0,
796 "undo_selection", 0);
797 gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0,
798 "abort_column_resize", 0);
799 gtk_binding_entry_add_signal (binding_set, GDK_space, 0,
800 "toggle_focus_row", 0);
801 gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK,
802 "toggle_add_mode", 0);
803 gtk_binding_entry_add_signal (binding_set, '/', GDK_CONTROL_MASK,
804 "select_all", 0);
805 gtk_binding_entry_add_signal (binding_set, '\\', GDK_CONTROL_MASK,
806 "unselect_all", 0);
807 gtk_binding_entry_add_signal (binding_set, GDK_Shift_L,
808 GDK_RELEASE_MASK | GDK_SHIFT_MASK,
809 "end_selection", 0);
810 gtk_binding_entry_add_signal (binding_set, GDK_Shift_R,
811 GDK_RELEASE_MASK | GDK_SHIFT_MASK,
812 "end_selection", 0);
813 gtk_binding_entry_add_signal (binding_set, GDK_Shift_L,
814 GDK_RELEASE_MASK | GDK_SHIFT_MASK |
815 GDK_CONTROL_MASK,
816 "end_selection", 0);
817 gtk_binding_entry_add_signal (binding_set, GDK_Shift_R,
818 GDK_RELEASE_MASK | GDK_SHIFT_MASK |
819 GDK_CONTROL_MASK,
820 "end_selection", 0);
821 }
822
823 static void
gtk_hlist_set_arg(GtkObject * object,GtkArg * arg,guint arg_id)824 gtk_hlist_set_arg (GtkObject *object,
825 GtkArg *arg,
826 guint arg_id)
827 {
828 GtkHList *hlist;
829
830 hlist = GTK_HLIST (object);
831
832 switch (arg_id)
833 {
834 case ARG_N_COLUMNS: /* construct-only arg, only set when !GTK_CONSTRUCTED */
835 gtk_hlist_construct (hlist, MAX (1, GTK_VALUE_UINT (*arg)), NULL);
836 break;
837 case ARG_SHADOW_TYPE:
838 gtk_hlist_set_shadow_type (hlist, GTK_VALUE_ENUM (*arg));
839 break;
840 case ARG_SELECTION_MODE:
841 gtk_hlist_set_selection_mode (hlist, GTK_VALUE_ENUM (*arg));
842 break;
843 case ARG_ROW_HEIGHT:
844 gtk_hlist_set_row_height (hlist, GTK_VALUE_UINT (*arg));
845 break;
846 case ARG_REORDERABLE:
847 gtk_hlist_set_reorderable (hlist, GTK_VALUE_BOOL (*arg));
848 break;
849 case ARG_TITLES_ACTIVE:
850 if (GTK_VALUE_BOOL (*arg))
851 gtk_hlist_column_titles_active (hlist);
852 else
853 gtk_hlist_column_titles_passive (hlist);
854 break;
855 case ARG_USE_DRAG_ICONS:
856 gtk_hlist_set_use_drag_icons (hlist, GTK_VALUE_BOOL (*arg));
857 break;
858 case ARG_SORT_TYPE:
859 gtk_hlist_set_sort_type (hlist, GTK_VALUE_ENUM (*arg));
860 break;
861 }
862 }
863
864 static void
gtk_hlist_get_arg(GtkObject * object,GtkArg * arg,guint arg_id)865 gtk_hlist_get_arg (GtkObject *object,
866 GtkArg *arg,
867 guint arg_id)
868 {
869 GtkHList *hlist;
870
871 hlist = GTK_HLIST (object);
872
873 switch (arg_id)
874 {
875 gint i;
876
877 case ARG_N_COLUMNS:
878 GTK_VALUE_UINT (*arg) = hlist->columns;
879 break;
880 case ARG_SHADOW_TYPE:
881 GTK_VALUE_ENUM (*arg) = hlist->shadow_type;
882 break;
883 case ARG_SELECTION_MODE:
884 GTK_VALUE_ENUM (*arg) = hlist->selection_mode;
885 break;
886 case ARG_ROW_HEIGHT:
887 GTK_VALUE_UINT (*arg) = GTK_HLIST_ROW_HEIGHT_SET(hlist) ? hlist->row_height : 0;
888 break;
889 case ARG_REORDERABLE:
890 GTK_VALUE_BOOL (*arg) = GTK_HLIST_REORDERABLE (hlist);
891 break;
892 case ARG_TITLES_ACTIVE:
893 GTK_VALUE_BOOL (*arg) = TRUE;
894 for (i = 0; i < hlist->columns; i++)
895 if (hlist->column[i].button &&
896 !GTK_WIDGET_SENSITIVE (hlist->column[i].button))
897 {
898 GTK_VALUE_BOOL (*arg) = FALSE;
899 break;
900 }
901 break;
902 case ARG_USE_DRAG_ICONS:
903 GTK_VALUE_BOOL (*arg) = GTK_HLIST_USE_DRAG_ICONS (hlist);
904 break;
905 case ARG_SORT_TYPE:
906 GTK_VALUE_ENUM (*arg) = hlist->sort_type;
907 break;
908 default:
909 arg->type = GTK_TYPE_INVALID;
910 break;
911 }
912 }
913
914 static void
gtk_hlist_init(GtkHList * hlist)915 gtk_hlist_init (GtkHList *hlist)
916 {
917 hlist->flags = 0;
918
919 GTK_WIDGET_UNSET_FLAGS (hlist, GTK_NO_WINDOW);
920 GTK_WIDGET_SET_FLAGS (hlist, GTK_CAN_FOCUS);
921 GTK_HLIST_SET_FLAG (hlist, HLIST_CHILD_HAS_FOCUS);
922 GTK_HLIST_SET_FLAG (hlist, HLIST_DRAW_DRAG_LINE);
923 GTK_HLIST_SET_FLAG (hlist, HLIST_USE_DRAG_ICONS);
924
925 hlist->row_mem_chunk = NULL;
926 hlist->cell_mem_chunk = NULL;
927
928 hlist->freeze_count = 0;
929
930 hlist->rows = 0;
931 hlist->row_center_offset = 0;
932 hlist->row_height = 0;
933 hlist->row_list = NULL;
934 hlist->row_list_end = NULL;
935
936 hlist->columns = 0;
937
938 hlist->title_window = NULL;
939 hlist->column_title_area.x = 0;
940 hlist->column_title_area.y = 0;
941 hlist->column_title_area.width = 1;
942 hlist->column_title_area.height = 1;
943
944 hlist->hlist_window = NULL;
945 hlist->hlist_window_width = 1;
946 hlist->hlist_window_height = 1;
947
948 hlist->hoffset = 0;
949 hlist->voffset = 0;
950
951 hlist->shadow_type = GTK_SHADOW_IN;
952 hlist->vadjustment = NULL;
953 hlist->hadjustment = NULL;
954
955 hlist->button_actions[0] = GTK_BUTTON_SELECTS | GTK_BUTTON_DRAGS;
956 hlist->button_actions[1] = GTK_BUTTON_IGNORED;
957 hlist->button_actions[2] = GTK_BUTTON_IGNORED;
958 hlist->button_actions[3] = GTK_BUTTON_IGNORED;
959 hlist->button_actions[4] = GTK_BUTTON_IGNORED;
960
961 hlist->cursor_drag = NULL;
962 hlist->xor_gc = NULL;
963 hlist->fg_gc = NULL;
964 hlist->bg_gc = NULL;
965 hlist->x_drag = 0;
966
967 hlist->selection_mode = GTK_SELECTION_SINGLE;
968 hlist->selection = NULL;
969 hlist->selection_end = NULL;
970 hlist->undo_selection = NULL;
971 hlist->undo_unselection = NULL;
972
973 hlist->focus_row = -1;
974 hlist->undo_anchor = -1;
975
976 hlist->anchor = -1;
977 hlist->anchor_state = GTK_STATE_SELECTED;
978 hlist->drag_pos = -1;
979 hlist->htimer = 0;
980 hlist->vtimer = 0;
981
982 hlist->click_cell.row = -1;
983 hlist->click_cell.column = -1;
984
985 hlist->compare = default_compare;
986 hlist->sort_type = GTK_SORT_ASCENDING;
987 hlist->sort_column = 0;
988 }
989
990 /* Constructors */
991 void
gtk_hlist_construct(GtkHList * hlist,gint columns,gchar * titles[])992 gtk_hlist_construct (GtkHList *hlist,
993 gint columns,
994 gchar *titles[])
995 {
996 g_return_if_fail (hlist != NULL);
997 g_return_if_fail (GTK_IS_HLIST (hlist));
998 g_return_if_fail (columns > 0);
999 g_return_if_fail (GTK_OBJECT_CONSTRUCTED (hlist) == FALSE);
1000
1001 /* mark the object as constructed */
1002 gtk_object_constructed (GTK_OBJECT (hlist));
1003
1004 /* initalize memory chunks, if this has not been done by any
1005 * possibly derived widget
1006 */
1007 if (!hlist->row_mem_chunk)
1008 hlist->row_mem_chunk = g_mem_chunk_new ("hlist row mem chunk",
1009 sizeof (GtkHListRow),
1010 sizeof (GtkHListRow) *
1011 HLIST_OPTIMUM_SIZE,
1012 G_ALLOC_AND_FREE);
1013
1014 if (!hlist->cell_mem_chunk)
1015 hlist->cell_mem_chunk = g_mem_chunk_new ("hlist cell mem chunk",
1016 sizeof (GtkHell) * columns,
1017 sizeof (GtkHell) * columns *
1018 HLIST_OPTIMUM_SIZE,
1019 G_ALLOC_AND_FREE);
1020
1021 /* set number of columns, allocate memory */
1022 hlist->columns = columns;
1023 hlist->column = columns_new (hlist);
1024
1025 /* there needs to be at least one column button
1026 * because there is alot of code that will break if it
1027 * isn't there*/
1028 column_button_create (hlist, 0);
1029
1030 if (titles)
1031 {
1032 gint i;
1033
1034 GTK_HLIST_SET_FLAG (hlist, HLIST_SHOW_TITLES);
1035 for (i = 0; i < columns; i++)
1036 gtk_hlist_set_column_title (hlist, i, titles[i]);
1037 }
1038 else
1039 {
1040 GTK_HLIST_UNSET_FLAG (hlist, HLIST_SHOW_TITLES);
1041 }
1042 }
1043
1044 /* GTKHLIST PUBLIC INTERFACE
1045 * gtk_hlist_new
1046 * gtk_hlist_new_with_titles
1047 * gtk_hlist_set_hadjustment
1048 * gtk_hlist_set_vadjustment
1049 * gtk_hlist_get_hadjustment
1050 * gtk_hlist_get_vadjustment
1051 * gtk_hlist_set_shadow_type
1052 * gtk_hlist_set_selection_mode
1053 * gtk_hlist_freeze
1054 * gtk_hlist_thaw
1055 */
1056 GtkWidget*
gtk_hlist_new(gint columns)1057 gtk_hlist_new (gint columns)
1058 {
1059 return gtk_hlist_new_with_titles (columns, NULL);
1060 }
1061
1062 GtkWidget*
gtk_hlist_new_with_titles(gint columns,gchar * titles[])1063 gtk_hlist_new_with_titles (gint columns,
1064 gchar *titles[])
1065 {
1066 GtkWidget *widget;
1067
1068 widget = gtk_type_new (GTK_TYPE_HLIST);
1069 gtk_hlist_construct (GTK_HLIST (widget), columns, titles);
1070
1071 return widget;
1072 }
1073
1074 void
gtk_hlist_set_hadjustment(GtkHList * hlist,GtkAdjustment * adjustment)1075 gtk_hlist_set_hadjustment (GtkHList *hlist,
1076 GtkAdjustment *adjustment)
1077 {
1078 GtkAdjustment *old_adjustment;
1079
1080 g_return_if_fail (hlist != NULL);
1081 g_return_if_fail (GTK_IS_HLIST (hlist));
1082 if (adjustment)
1083 g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
1084
1085 if (hlist->hadjustment == adjustment)
1086 return;
1087
1088 old_adjustment = hlist->hadjustment;
1089
1090 if (hlist->hadjustment)
1091 {
1092 gtk_signal_disconnect_by_data (GTK_OBJECT (hlist->hadjustment), hlist);
1093 gtk_object_unref (GTK_OBJECT (hlist->hadjustment));
1094 }
1095
1096 hlist->hadjustment = adjustment;
1097
1098 if (hlist->hadjustment)
1099 {
1100 gtk_object_ref (GTK_OBJECT (hlist->hadjustment));
1101 gtk_object_sink (GTK_OBJECT (hlist->hadjustment));
1102
1103 gtk_signal_connect (GTK_OBJECT (hlist->hadjustment), "changed",
1104 (GtkSignalFunc) hadjustment_changed,
1105 (gpointer) hlist);
1106 gtk_signal_connect (GTK_OBJECT (hlist->hadjustment), "value_changed",
1107 (GtkSignalFunc) hadjustment_value_changed,
1108 (gpointer) hlist);
1109 }
1110
1111 if (!hlist->hadjustment || !old_adjustment)
1112 gtk_widget_queue_resize (GTK_WIDGET (hlist));
1113 }
1114
1115 GtkAdjustment *
gtk_hlist_get_hadjustment(GtkHList * hlist)1116 gtk_hlist_get_hadjustment (GtkHList *hlist)
1117 {
1118 g_return_val_if_fail (hlist != NULL, NULL);
1119 g_return_val_if_fail (GTK_IS_HLIST (hlist), NULL);
1120
1121 return hlist->hadjustment;
1122 }
1123
1124 void
gtk_hlist_set_vadjustment(GtkHList * hlist,GtkAdjustment * adjustment)1125 gtk_hlist_set_vadjustment (GtkHList *hlist,
1126 GtkAdjustment *adjustment)
1127 {
1128 GtkAdjustment *old_adjustment;
1129
1130 g_return_if_fail (hlist != NULL);
1131 g_return_if_fail (GTK_IS_HLIST (hlist));
1132 if (adjustment)
1133 g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
1134
1135 if (hlist->vadjustment == adjustment)
1136 return;
1137
1138 old_adjustment = hlist->vadjustment;
1139
1140 if (hlist->vadjustment)
1141 {
1142 gtk_signal_disconnect_by_data (GTK_OBJECT (hlist->vadjustment), hlist);
1143 gtk_object_unref (GTK_OBJECT (hlist->vadjustment));
1144 }
1145
1146 hlist->vadjustment = adjustment;
1147
1148 if (hlist->vadjustment)
1149 {
1150 gtk_object_ref (GTK_OBJECT (hlist->vadjustment));
1151 gtk_object_sink (GTK_OBJECT (hlist->vadjustment));
1152
1153 gtk_signal_connect (GTK_OBJECT (hlist->vadjustment), "changed",
1154 (GtkSignalFunc) vadjustment_changed,
1155 (gpointer) hlist);
1156 gtk_signal_connect (GTK_OBJECT (hlist->vadjustment), "value_changed",
1157 (GtkSignalFunc) vadjustment_value_changed,
1158 (gpointer) hlist);
1159 }
1160
1161 if (!hlist->vadjustment || !old_adjustment)
1162 gtk_widget_queue_resize (GTK_WIDGET (hlist));
1163 }
1164
1165 GtkAdjustment *
gtk_hlist_get_vadjustment(GtkHList * hlist)1166 gtk_hlist_get_vadjustment (GtkHList *hlist)
1167 {
1168 g_return_val_if_fail (hlist != NULL, NULL);
1169 g_return_val_if_fail (GTK_IS_HLIST (hlist), NULL);
1170
1171 return hlist->vadjustment;
1172 }
1173
1174 static void
gtk_hlist_set_scroll_adjustments(GtkHList * hlist,GtkAdjustment * hadjustment,GtkAdjustment * vadjustment)1175 gtk_hlist_set_scroll_adjustments (GtkHList *hlist,
1176 GtkAdjustment *hadjustment,
1177 GtkAdjustment *vadjustment)
1178 {
1179 if (hlist->hadjustment != hadjustment)
1180 gtk_hlist_set_hadjustment (hlist, hadjustment);
1181 if (hlist->vadjustment != vadjustment)
1182 gtk_hlist_set_vadjustment (hlist, vadjustment);
1183 }
1184
1185 void
gtk_hlist_set_shadow_type(GtkHList * hlist,GtkShadowType type)1186 gtk_hlist_set_shadow_type (GtkHList *hlist,
1187 GtkShadowType type)
1188 {
1189 g_return_if_fail (hlist != NULL);
1190 g_return_if_fail (GTK_IS_HLIST (hlist));
1191
1192 hlist->shadow_type = type;
1193
1194 if (GTK_WIDGET_VISIBLE (hlist))
1195 gtk_widget_queue_resize (GTK_WIDGET (hlist));
1196 }
1197
1198 void
gtk_hlist_set_selection_mode(GtkHList * hlist,GtkSelectionMode mode)1199 gtk_hlist_set_selection_mode (GtkHList *hlist,
1200 GtkSelectionMode mode)
1201 {
1202 g_return_if_fail (hlist != NULL);
1203 g_return_if_fail (GTK_IS_HLIST (hlist));
1204
1205 if (mode == hlist->selection_mode)
1206 return;
1207
1208 hlist->selection_mode = mode;
1209 hlist->anchor = -1;
1210 hlist->anchor_state = GTK_STATE_SELECTED;
1211 hlist->drag_pos = -1;
1212 hlist->undo_anchor = hlist->focus_row;
1213
1214 g_list_free (hlist->undo_selection);
1215 g_list_free (hlist->undo_unselection);
1216 hlist->undo_selection = NULL;
1217 hlist->undo_unselection = NULL;
1218
1219 switch (mode)
1220 {
1221 case GTK_SELECTION_MULTIPLE:
1222 case GTK_SELECTION_EXTENDED:
1223 return;
1224 case GTK_SELECTION_BROWSE:
1225 case GTK_SELECTION_SINGLE:
1226 gtk_hlist_unselect_all (hlist);
1227 break;
1228 }
1229 }
1230
1231 void
gtk_hlist_freeze(GtkHList * hlist)1232 gtk_hlist_freeze (GtkHList *hlist)
1233 {
1234 g_return_if_fail (hlist != NULL);
1235 g_return_if_fail (GTK_IS_HLIST (hlist));
1236
1237 hlist->freeze_count++;
1238 }
1239
1240 void
gtk_hlist_thaw(GtkHList * hlist)1241 gtk_hlist_thaw (GtkHList *hlist)
1242 {
1243 g_return_if_fail (hlist != NULL);
1244 g_return_if_fail (GTK_IS_HLIST (hlist));
1245
1246 if (hlist->freeze_count)
1247 {
1248 hlist->freeze_count--;
1249 HLIST_REFRESH (hlist);
1250 }
1251 }
1252
1253 /* PUBLIC COLUMN FUNCTIONS
1254 * gtk_hlist_column_titles_show
1255 * gtk_hlist_column_titles_hide
1256 * gtk_hlist_column_title_active
1257 * gtk_hlist_column_title_passive
1258 * gtk_hlist_column_titles_active
1259 * gtk_hlist_column_titles_passive
1260 * gtk_hlist_set_column_title
1261 * gtk_hlist_get_column_title
1262 * gtk_hlist_set_column_widget
1263 * gtk_hlist_set_column_justification
1264 * gtk_hlist_set_column_visibility
1265 * gtk_hlist_set_column_resizeable
1266 * gtk_hlist_set_column_auto_resize
1267 * gtk_hlist_optimal_column_width
1268 * gtk_hlist_set_column_width
1269 * gtk_hlist_set_column_min_width
1270 * gtk_hlist_set_column_max_width
1271 */
1272 void
gtk_hlist_column_titles_show(GtkHList * hlist)1273 gtk_hlist_column_titles_show (GtkHList *hlist)
1274 {
1275 g_return_if_fail (hlist != NULL);
1276 g_return_if_fail (GTK_IS_HLIST (hlist));
1277
1278 if (!GTK_HLIST_SHOW_TITLES(hlist))
1279 {
1280 GTK_HLIST_SET_FLAG (hlist, HLIST_SHOW_TITLES);
1281 if (hlist->title_window)
1282 gdk_window_show (hlist->title_window);
1283 gtk_widget_queue_resize (GTK_WIDGET (hlist));
1284 }
1285 }
1286
1287 void
gtk_hlist_column_titles_hide(GtkHList * hlist)1288 gtk_hlist_column_titles_hide (GtkHList *hlist)
1289 {
1290 g_return_if_fail (hlist != NULL);
1291 g_return_if_fail (GTK_IS_HLIST (hlist));
1292
1293 if (GTK_HLIST_SHOW_TITLES(hlist))
1294 {
1295 GTK_HLIST_UNSET_FLAG (hlist, HLIST_SHOW_TITLES);
1296 if (hlist->title_window)
1297 gdk_window_hide (hlist->title_window);
1298 gtk_widget_queue_resize (GTK_WIDGET (hlist));
1299 }
1300 }
1301
1302 void
gtk_hlist_column_title_active(GtkHList * hlist,gint column)1303 gtk_hlist_column_title_active (GtkHList *hlist,
1304 gint column)
1305 {
1306 g_return_if_fail (hlist != NULL);
1307 g_return_if_fail (GTK_IS_HLIST (hlist));
1308
1309 if (column < 0 || column >= hlist->columns)
1310 return;
1311 if (!hlist->column[column].button || !hlist->column[column].button_passive)
1312 return;
1313
1314 hlist->column[column].button_passive = FALSE;
1315
1316 gtk_signal_disconnect_by_func (GTK_OBJECT (hlist->column[column].button),
1317 (GtkSignalFunc) column_title_passive_func,
1318 NULL);
1319
1320 GTK_WIDGET_SET_FLAGS (hlist->column[column].button, GTK_CAN_FOCUS);
1321 if (GTK_WIDGET_VISIBLE (hlist))
1322 gtk_widget_queue_draw (hlist->column[column].button);
1323 }
1324
1325 void
gtk_hlist_column_title_passive(GtkHList * hlist,gint column)1326 gtk_hlist_column_title_passive (GtkHList *hlist,
1327 gint column)
1328 {
1329 GtkButton *button;
1330
1331 g_return_if_fail (hlist != NULL);
1332 g_return_if_fail (GTK_IS_HLIST (hlist));
1333
1334 if (column < 0 || column >= hlist->columns)
1335 return;
1336 if (!hlist->column[column].button || hlist->column[column].button_passive)
1337 return;
1338
1339 button = GTK_BUTTON (hlist->column[column].button);
1340
1341 hlist->column[column].button_passive = TRUE;
1342
1343 if (button->button_down)
1344 gtk_button_released (button);
1345 if (button->in_button)
1346 gtk_button_leave (button);
1347
1348 gtk_signal_connect (GTK_OBJECT (hlist->column[column].button), "event",
1349 (GtkSignalFunc) column_title_passive_func, NULL);
1350
1351 GTK_WIDGET_UNSET_FLAGS (hlist->column[column].button, GTK_CAN_FOCUS);
1352 if (GTK_WIDGET_VISIBLE (hlist))
1353 gtk_widget_queue_draw (hlist->column[column].button);
1354 }
1355
1356 void
gtk_hlist_column_titles_active(GtkHList * hlist)1357 gtk_hlist_column_titles_active (GtkHList *hlist)
1358 {
1359 gint i;
1360
1361 g_return_if_fail (hlist != NULL);
1362 g_return_if_fail (GTK_IS_HLIST (hlist));
1363
1364 if (!GTK_HLIST_SHOW_TITLES(hlist))
1365 return;
1366
1367 for (i = 0; i < hlist->columns; i++)
1368 gtk_hlist_column_title_active (hlist, i);
1369 }
1370
1371 void
gtk_hlist_column_titles_passive(GtkHList * hlist)1372 gtk_hlist_column_titles_passive (GtkHList *hlist)
1373 {
1374 gint i;
1375
1376 g_return_if_fail (hlist != NULL);
1377 g_return_if_fail (GTK_IS_HLIST (hlist));
1378
1379 if (!GTK_HLIST_SHOW_TITLES(hlist))
1380 return;
1381
1382 for (i = 0; i < hlist->columns; i++)
1383 gtk_hlist_column_title_passive (hlist, i);
1384 }
1385
1386 void
gtk_hlist_set_column_title(GtkHList * hlist,gint column,const gchar * title)1387 gtk_hlist_set_column_title (GtkHList *hlist,
1388 gint column,
1389 const gchar *title)
1390 {
1391 gint new_button = 0;
1392 GtkWidget *old_widget;
1393 GtkWidget *alignment = NULL;
1394 GtkWidget *label;
1395
1396 g_return_if_fail (hlist != NULL);
1397 g_return_if_fail (GTK_IS_HLIST (hlist));
1398
1399 if (column < 0 || column >= hlist->columns)
1400 return;
1401
1402 /* if the column button doesn't currently exist,
1403 * it has to be created first */
1404 if (!hlist->column[column].button)
1405 {
1406 column_button_create (hlist, column);
1407 new_button = 1;
1408 }
1409
1410 column_title_new (hlist, column, title);
1411
1412 /* remove and destroy the old widget */
1413 old_widget = GTK_BIN (hlist->column[column].button)->child;
1414 if (old_widget)
1415 gtk_container_remove (GTK_CONTAINER (hlist->column[column].button), old_widget);
1416
1417 /* create new alignment based no column justification */
1418 switch (hlist->column[column].justification)
1419 {
1420 case GTK_JUSTIFY_LEFT:
1421 alignment = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
1422 break;
1423
1424 case GTK_JUSTIFY_RIGHT:
1425 alignment = gtk_alignment_new (1.0, 0.5, 0.0, 0.0);
1426 break;
1427
1428 case GTK_JUSTIFY_CENTER:
1429 alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
1430 break;
1431
1432 case GTK_JUSTIFY_FILL:
1433 alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
1434 break;
1435 }
1436
1437 gtk_widget_push_composite_child ();
1438 label = gtk_label_new (hlist->column[column].title);
1439 gtk_widget_pop_composite_child ();
1440 gtk_container_add (GTK_CONTAINER (alignment), label);
1441 gtk_container_add (GTK_CONTAINER (hlist->column[column].button), alignment);
1442 gtk_widget_show (label);
1443 gtk_widget_show (alignment);
1444
1445 /* if this button didn't previously exist, then the
1446 * column button positions have to be re-computed */
1447 if (GTK_WIDGET_VISIBLE (hlist) && new_button)
1448 size_allocate_title_buttons (hlist);
1449 }
1450
1451 gchar *
gtk_hlist_get_column_title(GtkHList * hlist,gint column)1452 gtk_hlist_get_column_title (GtkHList *hlist,
1453 gint column)
1454 {
1455 g_return_val_if_fail (hlist != NULL, NULL);
1456 g_return_val_if_fail (GTK_IS_HLIST (hlist), NULL);
1457
1458 if (column < 0 || column >= hlist->columns)
1459 return NULL;
1460
1461 return hlist->column[column].title;
1462 }
1463
1464 void
gtk_hlist_set_column_widget(GtkHList * hlist,gint column,GtkWidget * widget)1465 gtk_hlist_set_column_widget (GtkHList *hlist,
1466 gint column,
1467 GtkWidget *widget)
1468 {
1469 gint new_button = 0;
1470 GtkWidget *old_widget;
1471
1472 g_return_if_fail (hlist != NULL);
1473 g_return_if_fail (GTK_IS_HLIST (hlist));
1474
1475 if (column < 0 || column >= hlist->columns)
1476 return;
1477
1478 /* if the column button doesn't currently exist,
1479 * it has to be created first */
1480 if (!hlist->column[column].button)
1481 {
1482 column_button_create (hlist, column);
1483 new_button = 1;
1484 }
1485
1486 column_title_new (hlist, column, NULL);
1487
1488 /* remove and destroy the old widget */
1489 old_widget = GTK_BIN (hlist->column[column].button)->child;
1490 if (old_widget)
1491 gtk_container_remove (GTK_CONTAINER (hlist->column[column].button),
1492 old_widget);
1493
1494 /* add and show the widget */
1495 if (widget)
1496 {
1497 gtk_container_add (GTK_CONTAINER (hlist->column[column].button), widget);
1498 gtk_widget_show (widget);
1499 }
1500
1501 /* if this button didn't previously exist, then the
1502 * column button positions have to be re-computed */
1503 if (GTK_WIDGET_VISIBLE (hlist) && new_button)
1504 size_allocate_title_buttons (hlist);
1505 }
1506
1507 GtkWidget *
gtk_hlist_get_column_widget(GtkHList * hlist,gint column)1508 gtk_hlist_get_column_widget (GtkHList *hlist,
1509 gint column)
1510 {
1511 g_return_val_if_fail (hlist != NULL, NULL);
1512 g_return_val_if_fail (GTK_IS_HLIST (hlist), NULL);
1513
1514 if (column < 0 || column >= hlist->columns)
1515 return NULL;
1516
1517 if (hlist->column[column].button)
1518 return GTK_BUTTON (hlist->column[column].button)->child;
1519
1520 return NULL;
1521 }
1522
1523 void
gtk_hlist_set_column_justification(GtkHList * hlist,gint column,GtkJustification justification)1524 gtk_hlist_set_column_justification (GtkHList *hlist,
1525 gint column,
1526 GtkJustification justification)
1527 {
1528 GtkWidget *alignment;
1529
1530 g_return_if_fail (hlist != NULL);
1531 g_return_if_fail (GTK_IS_HLIST (hlist));
1532
1533 if (column < 0 || column >= hlist->columns)
1534 return;
1535
1536 hlist->column[column].justification = justification;
1537
1538 /* change the alinment of the button title if it's not a
1539 * custom widget */
1540 if (hlist->column[column].title)
1541 {
1542 alignment = GTK_BIN (hlist->column[column].button)->child;
1543
1544 switch (hlist->column[column].justification)
1545 {
1546 case GTK_JUSTIFY_LEFT:
1547 gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.0, 0.5, 0.0, 0.0);
1548 break;
1549
1550 case GTK_JUSTIFY_RIGHT:
1551 gtk_alignment_set (GTK_ALIGNMENT (alignment), 1.0, 0.5, 0.0, 0.0);
1552 break;
1553
1554 case GTK_JUSTIFY_CENTER:
1555 gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.5, 0.5, 0.0, 0.0);
1556 break;
1557
1558 case GTK_JUSTIFY_FILL:
1559 gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.5, 0.5, 0.0, 0.0);
1560 break;
1561
1562 default:
1563 break;
1564 }
1565 }
1566
1567 if (HLIST_UNFROZEN (hlist))
1568 draw_rows (hlist, NULL);
1569 }
1570
1571 void
gtk_hlist_set_column_visibility(GtkHList * hlist,gint column,gboolean visible)1572 gtk_hlist_set_column_visibility (GtkHList *hlist,
1573 gint column,
1574 gboolean visible)
1575 {
1576 g_return_if_fail (hlist != NULL);
1577 g_return_if_fail (GTK_IS_HLIST (hlist));
1578
1579 if (column < 0 || column >= hlist->columns)
1580 return;
1581 if (hlist->column[column].visible == visible)
1582 return;
1583
1584 /* don't hide last visible column */
1585 if (!visible)
1586 {
1587 gint i;
1588 gint vis_columns = 0;
1589
1590 for (i = 0, vis_columns = 0; i < hlist->columns && vis_columns < 2; i++)
1591 if (hlist->column[i].visible)
1592 vis_columns++;
1593
1594 if (vis_columns < 2)
1595 return;
1596 }
1597
1598 hlist->column[column].visible = visible;
1599
1600 if (hlist->column[column].button)
1601 {
1602 if (visible)
1603 gtk_widget_show (hlist->column[column].button);
1604 else
1605 gtk_widget_hide (hlist->column[column].button);
1606 }
1607
1608 gtk_widget_queue_resize (GTK_WIDGET(hlist));
1609 }
1610
1611 void
gtk_hlist_set_column_resizeable(GtkHList * hlist,gint column,gboolean resizeable)1612 gtk_hlist_set_column_resizeable (GtkHList *hlist,
1613 gint column,
1614 gboolean resizeable)
1615 {
1616 g_return_if_fail (hlist != NULL);
1617 g_return_if_fail (GTK_IS_HLIST (hlist));
1618
1619 if (column < 0 || column >= hlist->columns)
1620 return;
1621 if (hlist->column[column].resizeable == resizeable)
1622 return;
1623
1624 hlist->column[column].resizeable = resizeable;
1625 if (resizeable)
1626 hlist->column[column].auto_resize = FALSE;
1627
1628 if (GTK_WIDGET_VISIBLE (hlist))
1629 size_allocate_title_buttons (hlist);
1630 }
1631
1632 void
gtk_hlist_set_column_auto_resize(GtkHList * hlist,gint column,gboolean auto_resize)1633 gtk_hlist_set_column_auto_resize (GtkHList *hlist,
1634 gint column,
1635 gboolean auto_resize)
1636 {
1637 g_return_if_fail (hlist != NULL);
1638 g_return_if_fail (GTK_IS_HLIST (hlist));
1639
1640 if (column < 0 || column >= hlist->columns)
1641 return;
1642 if (hlist->column[column].auto_resize == auto_resize)
1643 return;
1644
1645 hlist->column[column].auto_resize = auto_resize;
1646 if (auto_resize)
1647 {
1648 hlist->column[column].resizeable = FALSE;
1649 if (!GTK_HLIST_AUTO_RESIZE_BLOCKED(hlist))
1650 {
1651 gint width;
1652
1653 width = gtk_hlist_optimal_column_width (hlist, column);
1654 gtk_hlist_set_column_width (hlist, column, width);
1655 }
1656 }
1657
1658 if (GTK_WIDGET_VISIBLE (hlist))
1659 size_allocate_title_buttons (hlist);
1660 }
1661
1662 gint
gtk_hlist_columns_autosize(GtkHList * hlist)1663 gtk_hlist_columns_autosize (GtkHList *hlist)
1664 {
1665 gint i;
1666 gint width;
1667
1668 g_return_val_if_fail (hlist != NULL, 0);
1669 g_return_val_if_fail (GTK_IS_HLIST (hlist), 0);
1670
1671 gtk_hlist_freeze (hlist);
1672 width = 0;
1673 for (i = 0; i < hlist->columns; i++)
1674 {
1675 gtk_hlist_set_column_width (hlist, i,
1676 gtk_hlist_optimal_column_width (hlist, i));
1677
1678 width += hlist->column[i].width;
1679 }
1680
1681 gtk_hlist_thaw (hlist);
1682 return width;
1683 }
1684
1685 gint
gtk_hlist_optimal_column_width(GtkHList * hlist,gint column)1686 gtk_hlist_optimal_column_width (GtkHList *hlist,
1687 gint column)
1688 {
1689 GtkRequisition requisition;
1690 GList *list;
1691 gint width;
1692
1693 g_return_val_if_fail (hlist != NULL, 0);
1694 g_return_val_if_fail (GTK_HLIST (hlist), 0);
1695
1696 if (column < 0 || column > hlist->columns)
1697 return 0;
1698
1699 if (GTK_HLIST_SHOW_TITLES(hlist) && hlist->column[column].button)
1700 width = (hlist->column[column].button->requisition.width)
1701 #if 0
1702 (HELL_SPACING + (2 * COLUMN_INSET)))
1703 #endif
1704 ;
1705 else
1706 width = 0;
1707
1708 for (list = hlist->row_list; list; list = list->next)
1709 {
1710 GTK_HLIST_CLASS_FW (hlist)->cell_size_request
1711 (hlist, GTK_HLIST_ROW (list), column, &requisition);
1712 width = MAX (width, requisition.width);
1713 }
1714
1715 return width;
1716 }
1717
1718 void
gtk_hlist_set_column_width(GtkHList * hlist,gint column,gint width)1719 gtk_hlist_set_column_width (GtkHList *hlist,
1720 gint column,
1721 gint width)
1722 {
1723 g_return_if_fail (hlist != NULL);
1724 g_return_if_fail (GTK_IS_HLIST (hlist));
1725
1726 if (column < 0 || column >= hlist->columns)
1727 return;
1728
1729 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[RESIZE_COLUMN],
1730 column, width);
1731 }
1732
1733 void
gtk_hlist_set_column_min_width(GtkHList * hlist,gint column,gint min_width)1734 gtk_hlist_set_column_min_width (GtkHList *hlist,
1735 gint column,
1736 gint min_width)
1737 {
1738 g_return_if_fail (hlist != NULL);
1739 g_return_if_fail (GTK_IS_HLIST (hlist));
1740
1741 if (column < 0 || column >= hlist->columns)
1742 return;
1743 if (hlist->column[column].min_width == min_width)
1744 return;
1745
1746 if (hlist->column[column].max_width >= 0 &&
1747 hlist->column[column].max_width < min_width)
1748 hlist->column[column].min_width = hlist->column[column].max_width;
1749 else
1750 hlist->column[column].min_width = min_width;
1751
1752 if (hlist->column[column].area.width < hlist->column[column].min_width)
1753 gtk_hlist_set_column_width (hlist, column,hlist->column[column].min_width);
1754 }
1755
1756 void
gtk_hlist_set_column_max_width(GtkHList * hlist,gint column,gint max_width)1757 gtk_hlist_set_column_max_width (GtkHList *hlist,
1758 gint column,
1759 gint max_width)
1760 {
1761 g_return_if_fail (hlist != NULL);
1762 g_return_if_fail (GTK_IS_HLIST (hlist));
1763
1764 if (column < 0 || column >= hlist->columns)
1765 return;
1766 if (hlist->column[column].max_width == max_width)
1767 return;
1768
1769 if (hlist->column[column].min_width >= 0 && max_width >= 0 &&
1770 hlist->column[column].min_width > max_width)
1771 hlist->column[column].max_width = hlist->column[column].min_width;
1772 else
1773 hlist->column[column].max_width = max_width;
1774
1775 if (hlist->column[column].area.width > hlist->column[column].max_width)
1776 gtk_hlist_set_column_width (hlist, column,hlist->column[column].max_width);
1777 }
1778
1779 /* PRIVATE COLUMN FUNCTIONS
1780 * column_auto_resize
1781 * real_resize_column
1782 * abort_column_resize
1783 * size_allocate_title_buttons
1784 * size_allocate_columns
1785 * list_requisition_width
1786 * new_column_width
1787 * column_button_create
1788 * column_button_clicked
1789 * column_title_passive_func
1790 */
1791 static void
column_auto_resize(GtkHList * hlist,GtkHListRow * hlist_row,gint column,gint old_width)1792 column_auto_resize (GtkHList *hlist,
1793 GtkHListRow *hlist_row,
1794 gint column,
1795 gint old_width)
1796 {
1797 /* resize column if needed for auto_resize */
1798 GtkRequisition requisition;
1799
1800 if (!hlist->column[column].auto_resize ||
1801 GTK_HLIST_AUTO_RESIZE_BLOCKED(hlist))
1802 return;
1803
1804 if (hlist_row)
1805 GTK_HLIST_CLASS_FW (hlist)->cell_size_request (hlist, hlist_row,
1806 column, &requisition);
1807 else
1808 requisition.width = 0;
1809
1810 if (requisition.width > hlist->column[column].width)
1811 gtk_hlist_set_column_width (hlist, column, requisition.width);
1812 else if (requisition.width < old_width &&
1813 old_width == hlist->column[column].width)
1814 {
1815 GList *list;
1816 gint new_width = 0;
1817
1818 /* run a "gtk_hlist_optimal_column_width" but break, if
1819 * the column doesn't shrink */
1820 if (GTK_HLIST_SHOW_TITLES(hlist) && hlist->column[column].button)
1821 new_width = (hlist->column[column].button->requisition.width -
1822 (HELL_SPACING + (2 * COLUMN_INSET)));
1823 else
1824 new_width = 0;
1825
1826 for (list = hlist->row_list; list; list = list->next)
1827 {
1828 GTK_HLIST_CLASS_FW (hlist)->cell_size_request
1829 (hlist, GTK_HLIST_ROW (list), column, &requisition);
1830 new_width = MAX (new_width, requisition.width);
1831 if (new_width == hlist->column[column].width)
1832 break;
1833 }
1834 if (new_width < hlist->column[column].width)
1835 gtk_hlist_set_column_width
1836 (hlist, column, MAX (new_width, hlist->column[column].min_width));
1837 }
1838 }
1839
1840 static void
real_resize_column(GtkHList * hlist,gint column,gint width)1841 real_resize_column (GtkHList *hlist,
1842 gint column,
1843 gint width)
1844 {
1845 g_return_if_fail (hlist != NULL);
1846 g_return_if_fail (GTK_IS_HLIST (hlist));
1847
1848 if (column < 0 || column >= hlist->columns)
1849 return;
1850
1851 if (width < MAX (COLUMN_MIN_WIDTH, hlist->column[column].min_width))
1852 width = MAX (COLUMN_MIN_WIDTH, hlist->column[column].min_width);
1853 if (hlist->column[column].max_width >= 0 &&
1854 width > hlist->column[column].max_width)
1855 width = hlist->column[column].max_width;
1856
1857 hlist->column[column].width = width;
1858 hlist->column[column].width_set = TRUE;
1859
1860 /* FIXME: this is quite expensive to do if the widget hasn't
1861 * been size_allocated yet, and pointless. Should
1862 * a flag be kept
1863 */
1864 size_allocate_columns (hlist, TRUE);
1865 size_allocate_title_buttons (hlist);
1866
1867 HLIST_REFRESH (hlist);
1868 }
1869
1870 static void
abort_column_resize(GtkHList * hlist)1871 abort_column_resize (GtkHList *hlist)
1872 {
1873 g_return_if_fail (hlist != NULL);
1874 g_return_if_fail (GTK_IS_HLIST (hlist));
1875
1876 if (!GTK_HLIST_IN_DRAG(hlist))
1877 return;
1878
1879 GTK_HLIST_UNSET_FLAG (hlist, HLIST_IN_DRAG);
1880 gtk_grab_remove (GTK_WIDGET (hlist));
1881 gdk_pointer_ungrab (GDK_CURRENT_TIME);
1882 hlist->drag_pos = -1;
1883
1884 if (hlist->x_drag >= 0 && hlist->x_drag <= hlist->hlist_window_width - 1)
1885 draw_xor_line (hlist);
1886
1887 if (GTK_HLIST_ADD_MODE(hlist))
1888 {
1889 gdk_gc_set_line_attributes (hlist->xor_gc, 1, GDK_LINE_ON_OFF_DASH, 0,0);
1890 gdk_gc_set_dashes (hlist->xor_gc, 0, "\4\4", 2);
1891 }
1892 }
1893
1894 static void
size_allocate_title_buttons(GtkHList * hlist)1895 size_allocate_title_buttons (GtkHList *hlist)
1896 {
1897 GtkAllocation button_allocation;
1898 gint last_column;
1899 gint last_button = 0;
1900 gint i;
1901
1902 if (!GTK_WIDGET_REALIZED (hlist))
1903 return;
1904
1905 button_allocation.x = hlist->hoffset;
1906 button_allocation.y = 0;
1907 button_allocation.width = 0;
1908 button_allocation.height = hlist->column_title_area.height;
1909
1910 /* find last visible column */
1911 for (last_column = hlist->columns - 1; last_column >= 0; last_column--)
1912 if (hlist->column[last_column].visible)
1913 break;
1914
1915 for (i = 0; i < last_column; i++)
1916 {
1917 if (!hlist->column[i].visible)
1918 {
1919 last_button = i + 1;
1920 gdk_window_hide (hlist->column[i].window);
1921 continue;
1922 }
1923
1924 button_allocation.width += (hlist->column[i].area.width +
1925 HELL_SPACING + 2 * COLUMN_INSET);
1926
1927 if (!hlist->column[i + 1].button)
1928 {
1929 gdk_window_hide (hlist->column[i].window);
1930 continue;
1931 }
1932
1933 gtk_widget_size_allocate (hlist->column[last_button].button,
1934 &button_allocation);
1935 button_allocation.x += button_allocation.width;
1936 button_allocation.width = 0;
1937
1938 if (hlist->column[last_button].resizeable)
1939 {
1940 gdk_window_show (hlist->column[last_button].window);
1941 gdk_window_move_resize (hlist->column[last_button].window,
1942 button_allocation.x - (DRAG_WIDTH / 2),
1943 0, DRAG_WIDTH,
1944 hlist->column_title_area.height);
1945 }
1946 else
1947 gdk_window_hide (hlist->column[last_button].window);
1948
1949 last_button = i + 1;
1950 }
1951
1952 button_allocation.width += (hlist->column[last_column].area.width +
1953 2 * (HELL_SPACING + COLUMN_INSET));
1954 gtk_widget_size_allocate (hlist->column[last_button].button,
1955 &button_allocation);
1956
1957 if (hlist->column[last_button].resizeable)
1958 {
1959 button_allocation.x += button_allocation.width;
1960
1961 gdk_window_show (hlist->column[last_button].window);
1962 gdk_window_move_resize (hlist->column[last_button].window,
1963 button_allocation.x - (DRAG_WIDTH / 2),
1964 0, DRAG_WIDTH, hlist->column_title_area.height);
1965 }
1966 else
1967 gdk_window_hide (hlist->column[last_button].window);
1968 }
1969
1970 static void
size_allocate_columns(GtkHList * hlist,gboolean block_resize)1971 size_allocate_columns (GtkHList *hlist,
1972 gboolean block_resize)
1973 {
1974 gint xoffset = HELL_SPACING + COLUMN_INSET;
1975 gint last_column;
1976 gint i;
1977
1978 /* find last visible column and calculate correct column width */
1979 for (last_column = hlist->columns - 1;
1980 last_column >= 0 && !hlist->column[last_column].visible; last_column--);
1981
1982 if (last_column < 0)
1983 return;
1984
1985 for (i = 0; i <= last_column; i++)
1986 {
1987 if (!hlist->column[i].visible)
1988 continue;
1989 hlist->column[i].area.x = xoffset;
1990 if (hlist->column[i].width_set)
1991 {
1992 if (!block_resize && GTK_HLIST_SHOW_TITLES(hlist) &&
1993 hlist->column[i].auto_resize && hlist->column[i].button)
1994 {
1995 gint width;
1996
1997 width = (hlist->column[i].button->requisition.width -
1998 (HELL_SPACING + (2 * COLUMN_INSET)));
1999
2000 if (width > hlist->column[i].width)
2001 gtk_hlist_set_column_width (hlist, i, width);
2002 }
2003
2004 hlist->column[i].area.width = hlist->column[i].width;
2005 xoffset += hlist->column[i].width + HELL_SPACING + (2* COLUMN_INSET);
2006 }
2007 else if (GTK_HLIST_SHOW_TITLES(hlist) && hlist->column[i].button)
2008 {
2009 hlist->column[i].area.width =
2010 hlist->column[i].button->requisition.width -
2011 (HELL_SPACING + (2 * COLUMN_INSET));
2012 xoffset += hlist->column[i].button->requisition.width;
2013 }
2014 }
2015
2016 hlist->column[last_column].area.width = hlist->column[last_column].area.width
2017 + MAX (0, hlist->hlist_window_width + COLUMN_INSET - xoffset);
2018 }
2019
2020 static gint
list_requisition_width(GtkHList * hlist)2021 list_requisition_width (GtkHList *hlist)
2022 {
2023 gint width = HELL_SPACING;
2024 gint i;
2025
2026 for (i = hlist->columns - 1; i >= 0; i--)
2027 {
2028 if (!hlist->column[i].visible)
2029 continue;
2030
2031 if (hlist->column[i].width_set)
2032 width += hlist->column[i].width + HELL_SPACING + (2 * COLUMN_INSET);
2033 else if (GTK_HLIST_SHOW_TITLES(hlist) && hlist->column[i].button)
2034 width += hlist->column[i].button->requisition.width;
2035 }
2036
2037 return width;
2038 }
2039
2040 /* this function returns the new width of the column being resized given
2041 * the column and x position of the cursor; the x cursor position is passed
2042 * in as a pointer and automagicly corrected if it's beyond min/max limits */
2043 static gint
new_column_width(GtkHList * hlist,gint column,gint * x)2044 new_column_width (GtkHList *hlist,
2045 gint column,
2046 gint *x)
2047 {
2048 gint xthickness = GTK_WIDGET (hlist)->style->klass->xthickness;
2049 gint width;
2050 gint cx;
2051 gint dx;
2052 gint last_column;
2053
2054 /* first translate the x position from widget->window
2055 * to hlist->hlist_window */
2056 cx = *x - xthickness;
2057
2058 for (last_column = hlist->columns - 1;
2059 last_column >= 0 && !hlist->column[last_column].visible; last_column--);
2060
2061 /* calculate new column width making sure it doesn't end up
2062 * less than the minimum width */
2063 dx = (COLUMN_LEFT_XPIXEL (hlist, column) + COLUMN_INSET +
2064 (column < last_column) * HELL_SPACING);
2065 width = cx - dx;
2066
2067 if (width < MAX (COLUMN_MIN_WIDTH, hlist->column[column].min_width))
2068 {
2069 width = MAX (COLUMN_MIN_WIDTH, hlist->column[column].min_width);
2070 cx = dx + width;
2071 *x = cx + xthickness;
2072 }
2073 else if (hlist->column[column].max_width >= COLUMN_MIN_WIDTH &&
2074 width > hlist->column[column].max_width)
2075 {
2076 width = hlist->column[column].max_width;
2077 cx = dx + hlist->column[column].max_width;
2078 *x = cx + xthickness;
2079 }
2080
2081 if (cx < 0 || cx > hlist->hlist_window_width)
2082 *x = -1;
2083
2084 return width;
2085 }
2086
2087 static void
column_button_create(GtkHList * hlist,gint column)2088 column_button_create (GtkHList *hlist,
2089 gint column)
2090 {
2091 GtkWidget *button;
2092
2093 gtk_widget_push_composite_child ();
2094 button = hlist->column[column].button = gtk_button_new ();
2095 gtk_widget_pop_composite_child ();
2096
2097 if (GTK_WIDGET_REALIZED (hlist) && hlist->title_window)
2098 gtk_widget_set_parent_window (hlist->column[column].button,
2099 hlist->title_window);
2100 gtk_widget_set_parent (button, GTK_WIDGET (hlist));
2101
2102 gtk_signal_connect (GTK_OBJECT (button), "clicked",
2103 (GtkSignalFunc) column_button_clicked,
2104 (gpointer) hlist);
2105 gtk_widget_show (button);
2106 }
2107
2108 static void
column_button_clicked(GtkWidget * widget,gpointer data)2109 column_button_clicked (GtkWidget *widget,
2110 gpointer data)
2111 {
2112 gint i;
2113 GtkHList *hlist;
2114
2115 g_return_if_fail (widget != NULL);
2116 g_return_if_fail (GTK_IS_HLIST (data));
2117
2118 hlist = GTK_HLIST (data);
2119
2120 /* find the column who's button was pressed */
2121 for (i = 0; i < hlist->columns; i++)
2122 if (hlist->column[i].button == widget)
2123 break;
2124
2125 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[CLICK_COLUMN], i);
2126 }
2127
2128 static gint
column_title_passive_func(GtkWidget * widget,GdkEvent * event,gpointer data)2129 column_title_passive_func (GtkWidget *widget,
2130 GdkEvent *event,
2131 gpointer data)
2132 {
2133 if (widget || data) {} /* removes compiler warning */
2134
2135 g_return_val_if_fail (event != NULL, FALSE);
2136
2137 switch (event->type)
2138 {
2139 case GDK_MOTION_NOTIFY:
2140 case GDK_BUTTON_PRESS:
2141 case GDK_2BUTTON_PRESS:
2142 case GDK_3BUTTON_PRESS:
2143 case GDK_BUTTON_RELEASE:
2144 case GDK_ENTER_NOTIFY:
2145 case GDK_LEAVE_NOTIFY:
2146 return TRUE;
2147 default:
2148 break;
2149 }
2150 return FALSE;
2151 }
2152
2153
2154 /* PUBLIC HELL FUNCTIONS
2155 * gtk_hlist_get_cell_type
2156 * gtk_hlist_set_text
2157 * gtk_hlist_get_text
2158 * gtk_hlist_set_pixmap
2159 * gtk_hlist_get_pixmap
2160 * gtk_hlist_set_pixtext
2161 * gtk_hlist_get_pixtext
2162 * gtk_hlist_set_shift
2163 */
2164 GtkHellType
gtk_hlist_get_cell_type(GtkHList * hlist,gint row,gint column)2165 gtk_hlist_get_cell_type (GtkHList *hlist,
2166 gint row,
2167 gint column)
2168 {
2169 GtkHListRow *hlist_row;
2170
2171 g_return_val_if_fail (hlist != NULL, -1);
2172 g_return_val_if_fail (GTK_IS_HLIST (hlist), -1);
2173
2174 if (row < 0 || row >= hlist->rows)
2175 return -1;
2176 if (column < 0 || column >= hlist->columns)
2177 return -1;
2178
2179 hlist_row = (g_list_nth (hlist->row_list, row))->data;
2180
2181 return hlist_row->cell[column].type;
2182 }
2183
2184 void
gtk_hlist_set_text(GtkHList * hlist,gint row,gint column,const gchar * text)2185 gtk_hlist_set_text (GtkHList *hlist,
2186 gint row,
2187 gint column,
2188 const gchar *text)
2189 {
2190 GtkHListRow *hlist_row;
2191
2192 g_return_if_fail (hlist != NULL);
2193 g_return_if_fail (GTK_IS_HLIST (hlist));
2194
2195 if (row < 0 || row >= hlist->rows)
2196 return;
2197 if (column < 0 || column >= hlist->columns)
2198 return;
2199
2200 hlist_row = (g_list_nth (hlist->row_list, row))->data;
2201
2202 /* if text is null, then the cell is empty */
2203 GTK_HLIST_CLASS_FW (hlist)->set_cell_contents
2204 (hlist, hlist_row, column, GTK_HELL_TEXT, text, 0, NULL, NULL);
2205
2206 /* redraw the list if it's not frozen */
2207 if (HLIST_UNFROZEN (hlist))
2208 {
2209 if (gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE)
2210 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, row, hlist_row);
2211 }
2212 }
2213
2214 gint
gtk_hlist_get_text(GtkHList * hlist,gint row,gint column,gchar ** text)2215 gtk_hlist_get_text (GtkHList *hlist,
2216 gint row,
2217 gint column,
2218 gchar **text)
2219 {
2220 GtkHListRow *hlist_row;
2221
2222 g_return_val_if_fail (hlist != NULL, 0);
2223 g_return_val_if_fail (GTK_IS_HLIST (hlist), 0);
2224
2225 if (row < 0 || row >= hlist->rows)
2226 return 0;
2227 if (column < 0 || column >= hlist->columns)
2228 return 0;
2229
2230 hlist_row = (g_list_nth (hlist->row_list, row))->data;
2231
2232 if (hlist_row->cell[column].type != GTK_HELL_TEXT)
2233 return 0;
2234
2235 if (text)
2236 *text = GTK_HELL_TEXT (hlist_row->cell[column])->text;
2237
2238 return 1;
2239 }
2240
2241 void
gtk_hlist_set_pixmap(GtkHList * hlist,gint row,gint column,GdkPixmap * pixmap,GdkBitmap * mask)2242 gtk_hlist_set_pixmap (GtkHList *hlist,
2243 gint row,
2244 gint column,
2245 GdkPixmap *pixmap,
2246 GdkBitmap *mask)
2247 {
2248 GtkHListRow *hlist_row;
2249
2250 g_return_if_fail (hlist != NULL);
2251 g_return_if_fail (GTK_IS_HLIST (hlist));
2252
2253 if (row < 0 || row >= hlist->rows)
2254 return;
2255 if (column < 0 || column >= hlist->columns)
2256 return;
2257
2258 hlist_row = (g_list_nth (hlist->row_list, row))->data;
2259
2260 gdk_pixmap_ref (pixmap);
2261
2262 if (mask) gdk_pixmap_ref (mask);
2263
2264 GTK_HLIST_CLASS_FW (hlist)->set_cell_contents
2265 (hlist, hlist_row, column, GTK_HELL_PIXMAP, NULL, 0, pixmap, mask);
2266
2267 /* redraw the list if it's not frozen */
2268 if (HLIST_UNFROZEN (hlist))
2269 {
2270 if (gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE)
2271 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, row, hlist_row);
2272 }
2273 }
2274
2275 gint
gtk_hlist_get_pixmap(GtkHList * hlist,gint row,gint column,GdkPixmap ** pixmap,GdkBitmap ** mask)2276 gtk_hlist_get_pixmap (GtkHList *hlist,
2277 gint row,
2278 gint column,
2279 GdkPixmap **pixmap,
2280 GdkBitmap **mask)
2281 {
2282 GtkHListRow *hlist_row;
2283
2284 g_return_val_if_fail (hlist != NULL, 0);
2285 g_return_val_if_fail (GTK_IS_HLIST (hlist), 0);
2286
2287 if (row < 0 || row >= hlist->rows)
2288 return 0;
2289 if (column < 0 || column >= hlist->columns)
2290 return 0;
2291
2292 hlist_row = (g_list_nth (hlist->row_list, row))->data;
2293
2294 if (hlist_row->cell[column].type != GTK_HELL_PIXMAP)
2295 return 0;
2296
2297 if (pixmap)
2298 {
2299 *pixmap = GTK_HELL_PIXMAP (hlist_row->cell[column])->pixmap;
2300 }
2301 if (mask)
2302 {
2303 /* mask can be NULL */
2304 *mask = GTK_HELL_PIXMAP (hlist_row->cell[column])->mask;
2305 }
2306
2307 return 1;
2308 }
2309
2310 void
gtk_hlist_set_pixtext(GtkHList * hlist,gint row,gint column,const gchar * text,guint8 spacing,GdkPixmap * pixmap,GdkBitmap * mask)2311 gtk_hlist_set_pixtext (GtkHList *hlist,
2312 gint row,
2313 gint column,
2314 const gchar *text,
2315 guint8 spacing,
2316 GdkPixmap *pixmap,
2317 GdkBitmap *mask)
2318 {
2319 GtkHListRow *hlist_row;
2320
2321 g_return_if_fail (hlist != NULL);
2322 g_return_if_fail (GTK_IS_HLIST (hlist));
2323
2324 if (row < 0 || row >= hlist->rows)
2325 return;
2326 if (column < 0 || column >= hlist->columns)
2327 return;
2328
2329 hlist_row = (g_list_nth (hlist->row_list, row))->data;
2330
2331 gdk_pixmap_ref (pixmap);
2332 if (mask) gdk_pixmap_ref (mask);
2333 GTK_HLIST_CLASS_FW (hlist)->set_cell_contents
2334 (hlist, hlist_row, column, GTK_HELL_PIXTEXT, text, spacing, pixmap, mask);
2335
2336 /* redraw the list if it's not frozen */
2337 if (HLIST_UNFROZEN (hlist))
2338 {
2339 if (gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE)
2340 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, row, hlist_row);
2341 }
2342 }
2343
2344 gint
gtk_hlist_get_pixtext(GtkHList * hlist,gint row,gint column,gchar ** text,guint8 * spacing,GdkPixmap ** pixmap,GdkBitmap ** mask)2345 gtk_hlist_get_pixtext (GtkHList *hlist,
2346 gint row,
2347 gint column,
2348 gchar **text,
2349 guint8 *spacing,
2350 GdkPixmap **pixmap,
2351 GdkBitmap **mask)
2352 {
2353 GtkHListRow *hlist_row;
2354
2355 g_return_val_if_fail (hlist != NULL, 0);
2356 g_return_val_if_fail (GTK_IS_HLIST (hlist), 0);
2357
2358 if (row < 0 || row >= hlist->rows)
2359 return 0;
2360 if (column < 0 || column >= hlist->columns)
2361 return 0;
2362
2363 hlist_row = (g_list_nth (hlist->row_list, row))->data;
2364
2365 if (hlist_row->cell[column].type != GTK_HELL_PIXTEXT)
2366 return 0;
2367
2368 if (text)
2369 *text = GTK_HELL_PIXTEXT (hlist_row->cell[column])->text;
2370 if (spacing)
2371 *spacing = GTK_HELL_PIXTEXT (hlist_row->cell[column])->spacing;
2372 if (pixmap)
2373 *pixmap = GTK_HELL_PIXTEXT (hlist_row->cell[column])->pixmap;
2374
2375 /* mask can be NULL */
2376 if (mask)
2377 *mask = GTK_HELL_PIXTEXT (hlist_row->cell[column])->mask;
2378
2379 return 1;
2380 }
2381
2382 void
gtk_hlist_set_shift(GtkHList * hlist,gint row,gint column,gint vertical,gint horizontal)2383 gtk_hlist_set_shift (GtkHList *hlist,
2384 gint row,
2385 gint column,
2386 gint vertical,
2387 gint horizontal)
2388 {
2389 GtkRequisition requisition = { 0, 0 };
2390 GtkHListRow *hlist_row;
2391
2392 g_return_if_fail (hlist != NULL);
2393 g_return_if_fail (GTK_IS_HLIST (hlist));
2394
2395 if (row < 0 || row >= hlist->rows)
2396 return;
2397 if (column < 0 || column >= hlist->columns)
2398 return;
2399
2400 hlist_row = (g_list_nth (hlist->row_list, row))->data;
2401
2402 if (hlist->column[column].auto_resize &&
2403 !GTK_HLIST_AUTO_RESIZE_BLOCKED(hlist))
2404 GTK_HLIST_CLASS_FW (hlist)->cell_size_request (hlist, hlist_row,
2405 column, &requisition);
2406
2407 hlist_row->cell[column].vertical = vertical;
2408 hlist_row->cell[column].horizontal = horizontal;
2409
2410 column_auto_resize (hlist, hlist_row, column, requisition.width);
2411
2412 if (HLIST_UNFROZEN (hlist) && gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE)
2413 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, row, hlist_row);
2414 }
2415
2416 /* PRIVATE HELL FUNCTIONS
2417 * set_cell_contents
2418 * cell_size_request
2419 */
2420 static void
set_cell_contents(GtkHList * hlist,GtkHListRow * hlist_row,gint column,GtkHellType type,const gchar * text,guint8 spacing,GdkPixmap * pixmap,GdkBitmap * mask)2421 set_cell_contents (GtkHList *hlist,
2422 GtkHListRow *hlist_row,
2423 gint column,
2424 GtkHellType type,
2425 const gchar *text,
2426 guint8 spacing,
2427 GdkPixmap *pixmap,
2428 GdkBitmap *mask)
2429 {
2430 GtkRequisition requisition;
2431
2432 g_return_if_fail (hlist != NULL);
2433 g_return_if_fail (GTK_IS_HLIST (hlist));
2434 g_return_if_fail (hlist_row != NULL);
2435
2436 if (hlist->column[column].auto_resize &&
2437 !GTK_HLIST_AUTO_RESIZE_BLOCKED(hlist))
2438 GTK_HLIST_CLASS_FW (hlist)->cell_size_request (hlist, hlist_row,
2439 column, &requisition);
2440
2441 switch (hlist_row->cell[column].type)
2442 {
2443 case GTK_HELL_EMPTY:
2444 break;
2445 case GTK_HELL_TEXT:
2446 g_free (GTK_HELL_TEXT (hlist_row->cell[column])->text);
2447 break;
2448 case GTK_HELL_PIXMAP:
2449 gdk_pixmap_unref (GTK_HELL_PIXMAP (hlist_row->cell[column])->pixmap);
2450 if (GTK_HELL_PIXMAP (hlist_row->cell[column])->mask)
2451 gdk_bitmap_unref (GTK_HELL_PIXMAP (hlist_row->cell[column])->mask);
2452 break;
2453 case GTK_HELL_PIXTEXT:
2454 g_free (GTK_HELL_PIXTEXT (hlist_row->cell[column])->text);
2455 gdk_pixmap_unref (GTK_HELL_PIXTEXT (hlist_row->cell[column])->pixmap);
2456 if (GTK_HELL_PIXTEXT (hlist_row->cell[column])->mask)
2457 gdk_bitmap_unref (GTK_HELL_PIXTEXT (hlist_row->cell[column])->mask);
2458 break;
2459 case GTK_HELL_WIDGET:
2460 /* unimplimented */
2461 break;
2462 default:
2463 break;
2464 }
2465
2466 hlist_row->cell[column].type = GTK_HELL_EMPTY;
2467
2468 switch (type)
2469 {
2470 case GTK_HELL_TEXT:
2471 if (text)
2472 {
2473 hlist_row->cell[column].type = GTK_HELL_TEXT;
2474 GTK_HELL_TEXT (hlist_row->cell[column])->text = g_strdup (text);
2475 }
2476 break;
2477 case GTK_HELL_PIXMAP:
2478 if (pixmap)
2479 {
2480 hlist_row->cell[column].type = GTK_HELL_PIXMAP;
2481 GTK_HELL_PIXMAP (hlist_row->cell[column])->pixmap = pixmap;
2482 /* We set the mask even if it is NULL */
2483 GTK_HELL_PIXMAP (hlist_row->cell[column])->mask = mask;
2484 }
2485 break;
2486 case GTK_HELL_PIXTEXT:
2487 if (text && pixmap)
2488 {
2489 hlist_row->cell[column].type = GTK_HELL_PIXTEXT;
2490 GTK_HELL_PIXTEXT (hlist_row->cell[column])->text = g_strdup (text);
2491 GTK_HELL_PIXTEXT (hlist_row->cell[column])->spacing = spacing;
2492 GTK_HELL_PIXTEXT (hlist_row->cell[column])->pixmap = pixmap;
2493 GTK_HELL_PIXTEXT (hlist_row->cell[column])->mask = mask;
2494 }
2495 break;
2496 default:
2497 break;
2498 }
2499
2500 if (hlist->column[column].auto_resize &&
2501 !GTK_HLIST_AUTO_RESIZE_BLOCKED(hlist))
2502 column_auto_resize (hlist, hlist_row, column, requisition.width);
2503 }
2504
2505 static void
cell_size_request(GtkHList * hlist,GtkHListRow * hlist_row,gint column,GtkRequisition * requisition)2506 cell_size_request (GtkHList *hlist,
2507 GtkHListRow *hlist_row,
2508 gint column,
2509 GtkRequisition *requisition)
2510 {
2511 GtkStyle *style;
2512 gint width;
2513 gint height;
2514
2515 g_return_if_fail (hlist != NULL);
2516 g_return_if_fail (GTK_IS_HLIST (hlist));
2517 g_return_if_fail (requisition != NULL);
2518
2519 get_cell_style (hlist, hlist_row, GTK_STATE_NORMAL, column, &style,
2520 NULL, NULL);
2521
2522 switch (hlist_row->cell[column].type)
2523 {
2524 case GTK_HELL_TEXT:
2525 requisition->width =
2526 gdk_string_width (style->font,
2527 GTK_HELL_TEXT (hlist_row->cell[column])->text);
2528 requisition->height = style->font->ascent + style->font->descent;
2529 break;
2530 case GTK_HELL_PIXTEXT:
2531 gdk_window_get_size (GTK_HELL_PIXTEXT (hlist_row->cell[column])->pixmap,
2532 &width, &height);
2533 requisition->width = width +
2534 GTK_HELL_PIXTEXT (hlist_row->cell[column])->spacing +
2535 gdk_string_width (style->font,
2536 GTK_HELL_TEXT (hlist_row->cell[column])->text);
2537
2538 requisition->height = MAX (style->font->ascent + style->font->descent,
2539 height);
2540 break;
2541 case GTK_HELL_PIXMAP:
2542 gdk_window_get_size (GTK_HELL_PIXMAP (hlist_row->cell[column])->pixmap,
2543 &width, &height);
2544 requisition->width = width;
2545 requisition->height = height;
2546 break;
2547 default:
2548 requisition->width = 0;
2549 requisition->height = 0;
2550 break;
2551 }
2552
2553 requisition->width += hlist_row->cell[column].horizontal;
2554 requisition->height += hlist_row->cell[column].vertical;
2555 }
2556
2557 /* PUBLIC INSERT/REMOVE ROW FUNCTIONS
2558 * gtk_hlist_prepend
2559 * gtk_hlist_append
2560 * gtk_hlist_insert
2561 * gtk_hlist_remove
2562 * gtk_hlist_clear
2563 */
2564 gint
gtk_hlist_prepend(GtkHList * hlist,gchar * text[])2565 gtk_hlist_prepend (GtkHList *hlist,
2566 gchar *text[])
2567 {
2568 g_return_val_if_fail (hlist != NULL, -1);
2569 g_return_val_if_fail (GTK_IS_HLIST (hlist), -1);
2570 g_return_val_if_fail (text != NULL, -1);
2571
2572 return GTK_HLIST_CLASS_FW (hlist)->insert_row (hlist, 0, text);
2573 }
2574
2575 gint
gtk_hlist_append(GtkHList * hlist,gchar * text[])2576 gtk_hlist_append (GtkHList *hlist,
2577 gchar *text[])
2578 {
2579 g_return_val_if_fail (hlist != NULL, -1);
2580 g_return_val_if_fail (GTK_IS_HLIST (hlist), -1);
2581 g_return_val_if_fail (text != NULL, -1);
2582
2583 return GTK_HLIST_CLASS_FW (hlist)->insert_row (hlist, hlist->rows, text);
2584 }
2585
2586 gint
gtk_hlist_insert(GtkHList * hlist,gint row,gchar * text[])2587 gtk_hlist_insert (GtkHList *hlist,
2588 gint row,
2589 gchar *text[])
2590 {
2591 g_return_val_if_fail (hlist != NULL, -1);
2592 g_return_val_if_fail (GTK_IS_HLIST (hlist), -1);
2593 g_return_val_if_fail (text != NULL, -1);
2594
2595 if (row < 0 || row > hlist->rows)
2596 row = hlist->rows;
2597
2598 return GTK_HLIST_CLASS_FW (hlist)->insert_row (hlist, row, text);
2599 }
2600
2601 void
gtk_hlist_remove(GtkHList * hlist,gint row)2602 gtk_hlist_remove (GtkHList *hlist,
2603 gint row)
2604 {
2605 GTK_HLIST_CLASS_FW (hlist)->remove_row (hlist, row);
2606 }
2607
2608 void
gtk_hlist_clear(GtkHList * hlist)2609 gtk_hlist_clear (GtkHList *hlist)
2610 {
2611 g_return_if_fail (hlist != NULL);
2612 g_return_if_fail (GTK_IS_HLIST (hlist));
2613
2614 GTK_HLIST_CLASS_FW (hlist)->clear (hlist);
2615 }
2616
2617 /* PRIVATE INSERT/REMOVE ROW FUNCTIONS
2618 * real_insert_row
2619 * real_remove_row
2620 * real_clear
2621 * real_row_move
2622 */
2623 static gint
real_insert_row(GtkHList * hlist,gint row,gchar * text[])2624 real_insert_row (GtkHList *hlist,
2625 gint row,
2626 gchar *text[])
2627 {
2628 gint i;
2629 GtkHListRow *hlist_row;
2630
2631 g_return_val_if_fail (hlist != NULL, -1);
2632 g_return_val_if_fail (GTK_IS_HLIST (hlist), -1);
2633 g_return_val_if_fail (text != NULL, -1);
2634
2635 /* return if out of bounds */
2636 if (row < 0 || row > hlist->rows)
2637 return -1;
2638
2639 /* create the row */
2640 hlist_row = row_new (hlist);
2641
2642 /* set the text in the row's columns */
2643 for (i = 0; i < hlist->columns; i++)
2644 if (text[i])
2645 GTK_HLIST_CLASS_FW (hlist)->set_cell_contents
2646 (hlist, hlist_row, i, GTK_HELL_TEXT, text[i], 0, NULL ,NULL);
2647
2648 if (!hlist->rows)
2649 {
2650 hlist->row_list = g_list_append (hlist->row_list, hlist_row);
2651 hlist->row_list_end = hlist->row_list;
2652 }
2653 else
2654 {
2655 if (GTK_HLIST_AUTO_SORT(hlist)) /* override insertion pos */
2656 {
2657 GList *work;
2658
2659 row = 0;
2660 work = hlist->row_list;
2661
2662 if (hlist->sort_type == GTK_SORT_ASCENDING)
2663 {
2664 while (row < hlist->rows &&
2665 hlist->compare (hlist, hlist_row,
2666 GTK_HLIST_ROW (work)) > 0)
2667 {
2668 row++;
2669 work = work->next;
2670 }
2671 }
2672 else
2673 {
2674 while (row < hlist->rows &&
2675 hlist->compare (hlist, hlist_row,
2676 GTK_HLIST_ROW (work)) < 0)
2677 {
2678 row++;
2679 work = work->next;
2680 }
2681 }
2682 }
2683
2684 /* reset the row end pointer if we're inserting at the end of the list */
2685 if (row == hlist->rows)
2686 hlist->row_list_end = (g_list_append (hlist->row_list_end,
2687 hlist_row))->next;
2688 else
2689 hlist->row_list = g_list_insert (hlist->row_list, hlist_row, row);
2690
2691 }
2692 hlist->rows++;
2693
2694 if (row < ROW_FROM_YPIXEL (hlist, 0))
2695 hlist->voffset -= (hlist->row_height + HELL_SPACING);
2696
2697 /* syncronize the selection list */
2698 sync_selection (hlist, row, SYNC_INSERT);
2699
2700 if (hlist->rows == 1)
2701 {
2702 hlist->focus_row = 0;
2703 if (hlist->selection_mode == GTK_SELECTION_BROWSE)
2704 gtk_hlist_select_row (hlist, 0, -1);
2705 }
2706
2707 hlist_row->draw_me = 1;
2708 /* redraw the list if it isn't frozen */
2709 if (HLIST_UNFROZEN (hlist))
2710 {
2711 adjust_adjustments (hlist, FALSE);
2712
2713 if (gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE)
2714 draw_rows (hlist, NULL);
2715 }
2716
2717 return row;
2718 }
2719
2720 static void
real_remove_row(GtkHList * hlist,gint row)2721 real_remove_row (GtkHList *hlist,
2722 gint row)
2723 {
2724 gint was_visible, was_selected;
2725 GList *list;
2726 GtkHListRow *hlist_row;
2727
2728 g_return_if_fail (hlist != NULL);
2729 g_return_if_fail (GTK_IS_HLIST (hlist));
2730
2731 /* return if out of bounds */
2732 if (row < 0 || row > (hlist->rows - 1))
2733 return;
2734
2735 was_visible = (gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE);
2736 was_selected = 0;
2737
2738 /* get the row we're going to delete */
2739 list = g_list_nth (hlist->row_list, row);
2740 g_assert (list != NULL);
2741 hlist_row = list->data;
2742
2743 /* if we're removing a selected row, we have to make sure
2744 * it's properly unselected, and then sync up the hlist->selected
2745 * list to reflect the deincrimented indexies of rows after the
2746 * removal */
2747 if (hlist_row->state == GTK_STATE_SELECTED)
2748 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[UNSELECT_ROW],
2749 row, -1, NULL);
2750
2751 /* reset the row end pointer if we're removing at the end of the list */
2752 hlist->rows--;
2753 if (hlist->row_list == list)
2754 hlist->row_list = g_list_next (list);
2755 if (hlist->row_list_end == list)
2756 hlist->row_list_end = g_list_previous (list);
2757 list = g_list_remove (list, hlist_row);
2758
2759 /*if (hlist->focus_row >=0 &&
2760 (row <= hlist->focus_row || hlist->focus_row >= hlist->rows))
2761 hlist->focus_row--;*/
2762
2763 if (row < ROW_FROM_YPIXEL (hlist, 0))
2764 hlist->voffset += hlist->row_height + HELL_SPACING;
2765
2766 sync_selection (hlist, row, SYNC_REMOVE);
2767
2768 if (hlist->selection_mode == GTK_SELECTION_BROWSE && !hlist->selection &&
2769 hlist->focus_row >= 0)
2770 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[SELECT_ROW],
2771 hlist->focus_row, -1, NULL);
2772
2773 /* toast the row */
2774 row_delete (hlist, hlist_row);
2775
2776 /* need to draw all rows below this row */
2777 for (list = g_list_nth(hlist->row_list, row); list; list = list->next) {
2778 hlist_row = list->data;
2779 hlist_row->draw_me = 1;
2780 }
2781
2782 /* redraw the row if it isn't frozen */
2783 if (HLIST_UNFROZEN (hlist))
2784 {
2785 adjust_adjustments (hlist, FALSE);
2786
2787 if (was_visible)
2788 draw_rows (hlist, NULL);
2789 }
2790 }
2791
2792 static void
real_clear(GtkHList * hlist)2793 real_clear (GtkHList *hlist)
2794 {
2795 GList *list;
2796 GList *free_list;
2797 gint i;
2798
2799 g_return_if_fail (hlist != NULL);
2800 g_return_if_fail (GTK_IS_HLIST (hlist));
2801
2802 /* free up the selection list */
2803 g_list_free (hlist->selection);
2804 g_list_free (hlist->undo_selection);
2805 g_list_free (hlist->undo_unselection);
2806
2807 hlist->selection = NULL;
2808 hlist->selection_end = NULL;
2809 hlist->undo_selection = NULL;
2810 hlist->undo_unselection = NULL;
2811 hlist->voffset = 0;
2812 hlist->focus_row = -1;
2813 hlist->anchor = -1;
2814 hlist->undo_anchor = -1;
2815 hlist->anchor_state = GTK_STATE_SELECTED;
2816 hlist->drag_pos = -1;
2817
2818 /* remove all the rows */
2819 GTK_HLIST_SET_FLAG (hlist, HLIST_AUTO_RESIZE_BLOCKED);
2820 free_list = hlist->row_list;
2821 hlist->row_list = NULL;
2822 hlist->row_list_end = NULL;
2823 hlist->rows = 0;
2824 for (list = free_list; list; list = list->next)
2825 row_delete (hlist, GTK_HLIST_ROW (list));
2826 g_list_free (free_list);
2827 GTK_HLIST_UNSET_FLAG (hlist, HLIST_AUTO_RESIZE_BLOCKED);
2828 for (i = 0; i < hlist->columns; i++)
2829 if (hlist->column[i].auto_resize)
2830 {
2831 if (GTK_HLIST_SHOW_TITLES(hlist) && hlist->column[i].button)
2832 gtk_hlist_set_column_width
2833 (hlist, i, (hlist->column[i].button->requisition.width -
2834 (HELL_SPACING + (2 * COLUMN_INSET))));
2835 else
2836 gtk_hlist_set_column_width (hlist, i, 0);
2837 }
2838 /* zero-out the scrollbars */
2839 if (hlist->vadjustment)
2840 {
2841 gtk_adjustment_set_value (hlist->vadjustment, 0.0);
2842 HLIST_REFRESH (hlist);
2843 }
2844 else
2845 gtk_widget_queue_resize (GTK_WIDGET (hlist));
2846 }
2847
2848 static void
real_row_move(GtkHList * hlist,gint source_row,gint dest_row)2849 real_row_move (GtkHList *hlist,
2850 gint source_row,
2851 gint dest_row)
2852 {
2853 GtkHListRow *hlist_row;
2854 GList *list;
2855 gint first, last;
2856 gint d;
2857
2858 g_return_if_fail (hlist != NULL);
2859 g_return_if_fail (GTK_IS_HLIST (hlist));
2860
2861 if (GTK_HLIST_AUTO_SORT(hlist))
2862 return;
2863
2864 if (source_row < 0 || source_row >= hlist->rows ||
2865 dest_row < 0 || dest_row >= hlist->rows ||
2866 source_row == dest_row)
2867 return;
2868
2869 gtk_hlist_freeze (hlist);
2870
2871 /* unlink source row */
2872 hlist_row = g_list_nth_data (hlist->row_list, source_row);
2873 if (source_row == hlist->rows - 1)
2874 hlist->row_list_end = hlist->row_list_end->prev;
2875 hlist->row_list = g_list_remove (hlist->row_list, hlist_row);
2876 hlist->rows--;
2877
2878 /* relink source row */
2879 hlist->row_list = g_list_insert (hlist->row_list, hlist_row, dest_row);
2880 if (dest_row == hlist->rows)
2881 hlist->row_list_end = hlist->row_list_end->next;
2882 hlist->rows++;
2883
2884 /* sync selection */
2885 if (source_row > dest_row)
2886 {
2887 first = dest_row;
2888 last = source_row;
2889 d = 1;
2890 }
2891 else
2892 {
2893 first = source_row;
2894 last = dest_row;
2895 d = -1;
2896 }
2897
2898 for (list = hlist->selection; list; list = list->next)
2899 {
2900 if (list->data == GINT_TO_POINTER (source_row))
2901 list->data = GINT_TO_POINTER (dest_row);
2902 else if (first <= GPOINTER_TO_INT (list->data) &&
2903 last >= GPOINTER_TO_INT (list->data))
2904 list->data = GINT_TO_POINTER (GPOINTER_TO_INT (list->data) + d);
2905 }
2906
2907 if (hlist->focus_row == source_row)
2908 hlist->focus_row = dest_row;
2909 else if (hlist->focus_row > first)
2910 hlist->focus_row += d;
2911
2912 gtk_hlist_thaw (hlist);
2913 }
2914
2915 /* PUBLIC ROW FUNCTIONS
2916 * gtk_hlist_moveto
2917 * gtk_hlist_set_row_height
2918 * gtk_hlist_set_row_data
2919 * gtk_hlist_set_row_data_full
2920 * gtk_hlist_get_row_data
2921 * gtk_hlist_find_row_from_data
2922 * gtk_hlist_swap_rows
2923 * gtk_hlist_row_move
2924 * gtk_hlist_row_is_visible
2925 * gtk_hlist_set_foreground
2926 * gtk_hlist_set_background
2927 */
2928 void
gtk_hlist_moveto(GtkHList * hlist,gint row,gint column,gfloat row_align,gfloat col_align)2929 gtk_hlist_moveto (GtkHList *hlist,
2930 gint row,
2931 gint column,
2932 gfloat row_align,
2933 gfloat col_align)
2934 {
2935 g_return_if_fail (hlist != NULL);
2936 g_return_if_fail (GTK_IS_HLIST (hlist));
2937
2938 if (row < -1 || row >= hlist->rows)
2939 return;
2940 if (column < -1 || column >= hlist->columns)
2941 return;
2942
2943 row_align = CLAMP (row_align, 0, 1);
2944 col_align = CLAMP (col_align, 0, 1);
2945
2946 /* adjust horizontal scrollbar */
2947 if (hlist->hadjustment && column >= 0)
2948 {
2949 gint x;
2950
2951 x = (COLUMN_LEFT (hlist, column) - HELL_SPACING - COLUMN_INSET -
2952 (col_align * (hlist->hlist_window_width - 2 * COLUMN_INSET -
2953 HELL_SPACING - hlist->column[column].area.width)));
2954 if (x < 0)
2955 gtk_adjustment_set_value (hlist->hadjustment, 0.0);
2956 else if (x > LIST_WIDTH (hlist) - hlist->hlist_window_width)
2957 gtk_adjustment_set_value
2958 (hlist->hadjustment, LIST_WIDTH (hlist) - hlist->hlist_window_width);
2959 else
2960 gtk_adjustment_set_value (hlist->hadjustment, x);
2961 }
2962
2963 /* adjust vertical scrollbar */
2964 if (hlist->vadjustment && row >= 0)
2965 move_vertical (hlist, row, row_align);
2966 }
2967
2968 void
gtk_hlist_set_row_height(GtkHList * hlist,guint height)2969 gtk_hlist_set_row_height (GtkHList *hlist,
2970 guint height)
2971 {
2972 GtkWidget *widget;
2973
2974 g_return_if_fail (hlist != NULL);
2975 g_return_if_fail (GTK_IS_HLIST (hlist));
2976
2977 widget = GTK_WIDGET (hlist);
2978
2979 if (height > 0)
2980 {
2981 hlist->row_height = height;
2982 GTK_HLIST_SET_FLAG (hlist, HLIST_ROW_HEIGHT_SET);
2983 }
2984 else
2985 {
2986 GTK_HLIST_UNSET_FLAG (hlist, HLIST_ROW_HEIGHT_SET);
2987 hlist->row_height = 0;
2988 }
2989
2990 if (GTK_WIDGET_REALIZED (hlist))
2991 {
2992 if (!GTK_HLIST_ROW_HEIGHT_SET(hlist))
2993 {
2994 hlist->row_height = (widget->style->font->ascent +
2995 widget->style->font->descent + 1);
2996 hlist->row_center_offset = widget->style->font->ascent + 1.5;
2997 }
2998 else
2999 hlist->row_center_offset = 1.5 + (hlist->row_height +
3000 widget->style->font->ascent -
3001 widget->style->font->descent - 1) / 2;
3002 }
3003
3004 HLIST_REFRESH (hlist);
3005 }
3006
3007 void
gtk_hlist_set_row_data(GtkHList * hlist,gint row,gpointer data)3008 gtk_hlist_set_row_data (GtkHList *hlist,
3009 gint row,
3010 gpointer data)
3011 {
3012 gtk_hlist_set_row_data_full (hlist, row, data, NULL);
3013 }
3014
3015 void
gtk_hlist_set_row_data_full(GtkHList * hlist,gint row,gpointer data,GtkDestroyNotify destroy)3016 gtk_hlist_set_row_data_full (GtkHList *hlist,
3017 gint row,
3018 gpointer data,
3019 GtkDestroyNotify destroy)
3020 {
3021 GtkHListRow *hlist_row;
3022
3023 g_return_if_fail (hlist != NULL);
3024 g_return_if_fail (GTK_IS_HLIST (hlist));
3025
3026 if (row < 0 || row > (hlist->rows - 1))
3027 return;
3028
3029 hlist_row = (g_list_nth (hlist->row_list, row))->data;
3030
3031 if (hlist_row->destroy)
3032 hlist_row->destroy (hlist_row->data);
3033
3034 hlist_row->data = data;
3035 hlist_row->destroy = destroy;
3036 }
3037
3038 gpointer
gtk_hlist_get_row_data(GtkHList * hlist,gint row)3039 gtk_hlist_get_row_data (GtkHList *hlist,
3040 gint row)
3041 {
3042 GtkHListRow *hlist_row;
3043
3044 g_return_val_if_fail (hlist != NULL, NULL);
3045 g_return_val_if_fail (GTK_IS_HLIST (hlist), NULL);
3046
3047 if (row < 0 || row > (hlist->rows - 1))
3048 return NULL;
3049
3050 hlist_row = (g_list_nth (hlist->row_list, row))->data;
3051 return hlist_row->data;
3052 }
3053
3054 gint
gtk_hlist_find_row_from_data(GtkHList * hlist,gpointer data)3055 gtk_hlist_find_row_from_data (GtkHList *hlist,
3056 gpointer data)
3057 {
3058 GList *list;
3059 gint n;
3060
3061 g_return_val_if_fail (hlist != NULL, -1);
3062 g_return_val_if_fail (GTK_IS_HLIST (hlist), -1);
3063
3064 for (n = 0, list = hlist->row_list; list; n++, list = list->next)
3065 if (GTK_HLIST_ROW (list)->data == data)
3066 return n;
3067
3068 return -1;
3069 }
3070
3071 void
gtk_hlist_swap_rows(GtkHList * hlist,gint row1,gint row2)3072 gtk_hlist_swap_rows (GtkHList *hlist,
3073 gint row1,
3074 gint row2)
3075 {
3076 gint first, last;
3077
3078 g_return_if_fail (hlist != NULL);
3079 g_return_if_fail (GTK_IS_HLIST (hlist));
3080 g_return_if_fail (row1 != row2);
3081
3082 if (GTK_HLIST_AUTO_SORT(hlist))
3083 return;
3084
3085 gtk_hlist_freeze (hlist);
3086
3087 first = MIN (row1, row2);
3088 last = MAX (row1, row2);
3089
3090 gtk_hlist_row_move (hlist, last, first);
3091 gtk_hlist_row_move (hlist, first + 1, last);
3092
3093 gtk_hlist_thaw (hlist);
3094 }
3095
3096 void
gtk_hlist_row_move(GtkHList * hlist,gint source_row,gint dest_row)3097 gtk_hlist_row_move (GtkHList *hlist,
3098 gint source_row,
3099 gint dest_row)
3100 {
3101 g_return_if_fail (hlist != NULL);
3102 g_return_if_fail (GTK_IS_HLIST (hlist));
3103
3104 if (GTK_HLIST_AUTO_SORT(hlist))
3105 return;
3106
3107 if (source_row < 0 || source_row >= hlist->rows ||
3108 dest_row < 0 || dest_row >= hlist->rows ||
3109 source_row == dest_row)
3110 return;
3111
3112 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[ROW_MOVE],
3113 source_row, dest_row);
3114 }
3115
3116 GtkVisibility
gtk_hlist_row_is_visible(GtkHList * hlist,gint row)3117 gtk_hlist_row_is_visible (GtkHList *hlist,
3118 gint row)
3119 {
3120 gint top;
3121
3122 g_return_val_if_fail (hlist != NULL, 0);
3123 g_return_val_if_fail (GTK_IS_HLIST (hlist), 0);
3124
3125 if (row < 0 || row >= hlist->rows)
3126 return GTK_VISIBILITY_NONE;
3127
3128 if (hlist->row_height == 0)
3129 return GTK_VISIBILITY_NONE;
3130
3131 if (row < ROW_FROM_YPIXEL (hlist, 0))
3132 return GTK_VISIBILITY_NONE;
3133
3134 if (row > ROW_FROM_YPIXEL (hlist, hlist->hlist_window_height))
3135 return GTK_VISIBILITY_NONE;
3136
3137 top = ROW_TOP_YPIXEL (hlist, row);
3138
3139 if ((top < 0)
3140 || ((top + hlist->row_height) >= hlist->hlist_window_height))
3141 return GTK_VISIBILITY_PARTIAL;
3142
3143 return GTK_VISIBILITY_FULL;
3144 }
3145
3146 void
gtk_hlist_set_foreground(GtkHList * hlist,gint row,GdkColor * color)3147 gtk_hlist_set_foreground (GtkHList *hlist,
3148 gint row,
3149 GdkColor *color)
3150 {
3151 GtkHListRow *hlist_row;
3152
3153 g_return_if_fail (hlist != NULL);
3154 g_return_if_fail (GTK_IS_HLIST (hlist));
3155
3156 if (row < 0 || row >= hlist->rows)
3157 return;
3158
3159 hlist_row = (g_list_nth (hlist->row_list, row))->data;
3160
3161 if (color)
3162 {
3163 hlist_row->foreground = *color;
3164 hlist_row->fg_set = TRUE;
3165 if (GTK_WIDGET_REALIZED (hlist))
3166 gdk_color_alloc (gtk_widget_get_colormap (GTK_WIDGET (hlist)),
3167 &hlist_row->foreground);
3168 }
3169 else
3170 hlist_row->fg_set = FALSE;
3171
3172 if (HLIST_UNFROZEN (hlist) && gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE)
3173 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, row, hlist_row);
3174 }
3175
3176 void
gtk_hlist_set_background(GtkHList * hlist,gint row,GdkColor * color)3177 gtk_hlist_set_background (GtkHList *hlist,
3178 gint row,
3179 GdkColor *color)
3180 {
3181 GtkHListRow *hlist_row;
3182
3183 g_return_if_fail (hlist != NULL);
3184 g_return_if_fail (GTK_IS_HLIST (hlist));
3185
3186 if (row < 0 || row >= hlist->rows)
3187 return;
3188
3189 hlist_row = (g_list_nth (hlist->row_list, row))->data;
3190
3191 if (color)
3192 {
3193 hlist_row->background = *color;
3194 hlist_row->bg_set = TRUE;
3195 if (GTK_WIDGET_REALIZED (hlist))
3196 gdk_color_alloc (gtk_widget_get_colormap (GTK_WIDGET (hlist)),
3197 &hlist_row->background);
3198 }
3199 else
3200 hlist_row->bg_set = FALSE;
3201
3202 if (HLIST_UNFROZEN (hlist)
3203 && (gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE))
3204 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, row, hlist_row);
3205 }
3206
3207 /* PUBLIC ROW/HELL STYLE FUNCTIONS
3208 * gtk_hlist_set_cell_style
3209 * gtk_hlist_get_cell_style
3210 * gtk_hlist_set_row_style
3211 * gtk_hlist_get_row_style
3212 */
3213 void
gtk_hlist_set_cell_style(GtkHList * hlist,gint row,gint column,GtkStyle * style)3214 gtk_hlist_set_cell_style (GtkHList *hlist,
3215 gint row,
3216 gint column,
3217 GtkStyle *style)
3218 {
3219 GtkRequisition requisition = { 0, 0 };
3220 GtkHListRow *hlist_row;
3221
3222 g_return_if_fail (hlist != NULL);
3223 g_return_if_fail (GTK_IS_HLIST (hlist));
3224
3225 if (row < 0 || row >= hlist->rows)
3226 return;
3227 if (column < 0 || column >= hlist->columns)
3228 return;
3229
3230 hlist_row = (g_list_nth (hlist->row_list, row))->data;
3231
3232 if (hlist_row->cell[column].style == style)
3233 return;
3234
3235 if (hlist->column[column].auto_resize &&
3236 !GTK_HLIST_AUTO_RESIZE_BLOCKED(hlist))
3237 GTK_HLIST_CLASS_FW (hlist)->cell_size_request (hlist, hlist_row,
3238 column, &requisition);
3239
3240 if (hlist_row->cell[column].style)
3241 {
3242 if (GTK_WIDGET_REALIZED (hlist))
3243 gtk_style_detach (hlist_row->cell[column].style);
3244 gtk_style_unref (hlist_row->cell[column].style);
3245 }
3246
3247 hlist_row->cell[column].style = style;
3248
3249 if (hlist_row->cell[column].style)
3250 {
3251 gtk_style_ref (hlist_row->cell[column].style);
3252
3253 if (GTK_WIDGET_REALIZED (hlist))
3254 hlist_row->cell[column].style =
3255 gtk_style_attach (hlist_row->cell[column].style,
3256 hlist->hlist_window);
3257 }
3258
3259 column_auto_resize (hlist, hlist_row, column, requisition.width);
3260
3261 /* redraw the list if it's not frozen */
3262 if (HLIST_UNFROZEN (hlist))
3263 {
3264 if (gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE)
3265 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, row, hlist_row);
3266 }
3267 }
3268
3269 GtkStyle *
gtk_hlist_get_cell_style(GtkHList * hlist,gint row,gint column)3270 gtk_hlist_get_cell_style (GtkHList *hlist,
3271 gint row,
3272 gint column)
3273 {
3274 GtkHListRow *hlist_row;
3275
3276 g_return_val_if_fail (hlist != NULL, NULL);
3277 g_return_val_if_fail (GTK_IS_HLIST (hlist), NULL);
3278
3279 if (row < 0 || row >= hlist->rows || column < 0 || column >= hlist->columns)
3280 return NULL;
3281
3282 hlist_row = (g_list_nth (hlist->row_list, row))->data;
3283
3284 return hlist_row->cell[column].style;
3285 }
3286
3287 void
gtk_hlist_set_row_style(GtkHList * hlist,gint row,GtkStyle * style)3288 gtk_hlist_set_row_style (GtkHList *hlist,
3289 gint row,
3290 GtkStyle *style)
3291 {
3292 GtkRequisition requisition;
3293 GtkHListRow *hlist_row;
3294 gint *old_width;
3295 gint i;
3296
3297 g_return_if_fail (hlist != NULL);
3298 g_return_if_fail (GTK_IS_HLIST (hlist));
3299
3300 if (row < 0 || row >= hlist->rows)
3301 return;
3302
3303 hlist_row = (g_list_nth (hlist->row_list, row))->data;
3304
3305 if (hlist_row->style == style)
3306 return;
3307
3308 old_width = g_new (gint, hlist->columns);
3309
3310 if (!GTK_HLIST_AUTO_RESIZE_BLOCKED(hlist))
3311 {
3312 for (i = 0; i < hlist->columns; i++)
3313 if (hlist->column[i].auto_resize)
3314 {
3315 GTK_HLIST_CLASS_FW (hlist)->cell_size_request (hlist, hlist_row,
3316 i, &requisition);
3317 old_width[i] = requisition.width;
3318 }
3319 }
3320
3321 if (hlist_row->style)
3322 {
3323 if (GTK_WIDGET_REALIZED (hlist))
3324 gtk_style_detach (hlist_row->style);
3325 gtk_style_unref (hlist_row->style);
3326 }
3327
3328 hlist_row->style = style;
3329
3330 if (hlist_row->style)
3331 {
3332 gtk_style_ref (hlist_row->style);
3333
3334 if (GTK_WIDGET_REALIZED (hlist))
3335 hlist_row->style = gtk_style_attach (hlist_row->style,
3336 hlist->hlist_window);
3337 }
3338
3339 if (GTK_HLIST_AUTO_RESIZE_BLOCKED(hlist))
3340 for (i = 0; i < hlist->columns; i++)
3341 column_auto_resize (hlist, hlist_row, i, old_width[i]);
3342
3343 g_free (old_width);
3344
3345 /* redraw the list if it's not frozen */
3346 if (HLIST_UNFROZEN (hlist))
3347 {
3348 if (gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE)
3349 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, row, hlist_row);
3350 }
3351 }
3352
3353 GtkStyle *
gtk_hlist_get_row_style(GtkHList * hlist,gint row)3354 gtk_hlist_get_row_style (GtkHList *hlist,
3355 gint row)
3356 {
3357 GtkHListRow *hlist_row;
3358
3359 g_return_val_if_fail (hlist != NULL, NULL);
3360 g_return_val_if_fail (GTK_IS_HLIST (hlist), NULL);
3361
3362 if (row < 0 || row >= hlist->rows)
3363 return NULL;
3364
3365 hlist_row = (g_list_nth (hlist->row_list, row))->data;
3366
3367 return hlist_row->style;
3368 }
3369
3370 /* PUBLIC SELECTION FUNCTIONS
3371 * gtk_hlist_set_selectable
3372 * gtk_hlist_get_selectable
3373 * gtk_hlist_select_row
3374 * gtk_hlist_unselect_row
3375 * gtk_hlist_select_all
3376 * gtk_hlist_unselect_all
3377 * gtk_hlist_undo_selection
3378 */
3379 void
gtk_hlist_set_selectable(GtkHList * hlist,gint row,gboolean selectable)3380 gtk_hlist_set_selectable (GtkHList *hlist,
3381 gint row,
3382 gboolean selectable)
3383 {
3384 GtkHListRow *hlist_row;
3385
3386 g_return_if_fail (hlist != NULL);
3387 g_return_if_fail (GTK_IS_HLIST (hlist));
3388
3389 if (row < 0 || row >= hlist->rows)
3390 return;
3391
3392 hlist_row = (g_list_nth (hlist->row_list, row))->data;
3393
3394 if (selectable == hlist_row->selectable)
3395 return;
3396
3397 hlist_row->selectable = selectable;
3398
3399 if (!selectable && hlist_row->state == GTK_STATE_SELECTED)
3400 {
3401 if (hlist->anchor >= 0 &&
3402 hlist->selection_mode == GTK_SELECTION_EXTENDED)
3403 {
3404 hlist->drag_button = 0;
3405 remove_grab (hlist);
3406 GTK_HLIST_CLASS_FW (hlist)->resync_selection (hlist, NULL);
3407 }
3408 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[UNSELECT_ROW],
3409 row, -1, NULL);
3410 }
3411 }
3412
3413 gboolean
gtk_hlist_get_selectable(GtkHList * hlist,gint row)3414 gtk_hlist_get_selectable (GtkHList *hlist,
3415 gint row)
3416 {
3417 g_return_val_if_fail (hlist != NULL, FALSE);
3418 g_return_val_if_fail (GTK_IS_HLIST (hlist), FALSE);
3419
3420 if (row < 0 || row >= hlist->rows)
3421 return FALSE;
3422
3423 return GTK_HLIST_ROW (g_list_nth (hlist->row_list, row))->selectable;
3424 }
3425
3426 void
gtk_hlist_select_row(GtkHList * hlist,gint row,gint column)3427 gtk_hlist_select_row (GtkHList *hlist,
3428 gint row,
3429 gint column)
3430 {
3431 g_return_if_fail (hlist != NULL);
3432 g_return_if_fail (GTK_IS_HLIST (hlist));
3433
3434 if (row < 0 || row >= hlist->rows)
3435 return;
3436 if (column < -1 || column >= hlist->columns)
3437 return;
3438
3439 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[SELECT_ROW],
3440 row, column, NULL);
3441 }
3442
3443 void
gtk_hlist_unselect_row(GtkHList * hlist,gint row,gint column)3444 gtk_hlist_unselect_row (GtkHList *hlist,
3445 gint row,
3446 gint column)
3447 {
3448 g_return_if_fail (hlist != NULL);
3449 g_return_if_fail (GTK_IS_HLIST (hlist));
3450
3451 if (row < 0 || row >= hlist->rows)
3452 return;
3453 if (column < -1 || column >= hlist->columns)
3454 return;
3455
3456 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[UNSELECT_ROW],
3457 row, column, NULL);
3458 }
3459
3460 void
gtk_hlist_select_all(GtkHList * hlist)3461 gtk_hlist_select_all (GtkHList *hlist)
3462 {
3463 g_return_if_fail (hlist != NULL);
3464 g_return_if_fail (GTK_IS_HLIST (hlist));
3465
3466 GTK_HLIST_CLASS_FW (hlist)->select_all (hlist);
3467 }
3468
3469 void
gtk_hlist_unselect_all(GtkHList * hlist)3470 gtk_hlist_unselect_all (GtkHList *hlist)
3471 {
3472 g_return_if_fail (hlist != NULL);
3473 g_return_if_fail (GTK_IS_HLIST (hlist));
3474
3475 GTK_HLIST_CLASS_FW (hlist)->unselect_all (hlist);
3476 }
3477
3478 void
gtk_hlist_undo_selection(GtkHList * hlist)3479 gtk_hlist_undo_selection (GtkHList *hlist)
3480 {
3481 g_return_if_fail (hlist != NULL);
3482 g_return_if_fail (GTK_IS_HLIST (hlist));
3483
3484 if (hlist->selection_mode == GTK_SELECTION_EXTENDED &&
3485 (hlist->undo_selection || hlist->undo_unselection))
3486 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[UNDO_SELECTION]);
3487 }
3488
3489 /* PRIVATE SELECTION FUNCTIONS
3490 * selection_find
3491 * toggle_row
3492 * fake_toggle_row
3493 * toggle_focus_row
3494 * toggle_add_mode
3495 * real_select_row
3496 * real_unselect_row
3497 * real_select_all
3498 * real_unselect_all
3499 * fake_unselect_all
3500 * real_undo_selection
3501 * set_anchor
3502 * resync_selection
3503 * update_extended_selection
3504 * start_selection
3505 * end_selection
3506 * extend_selection
3507 * sync_selection
3508 */
3509 static GList *
selection_find(GtkHList * hlist,gint row_number,GList * row_list_element)3510 selection_find (GtkHList *hlist,
3511 gint row_number,
3512 GList *row_list_element)
3513 {
3514 return g_list_find (hlist->selection, GINT_TO_POINTER (row_number));
3515 if (row_list_element) {} /* removes compiler warning */
3516 }
3517
3518 static void
toggle_row(GtkHList * hlist,gint row,gint column,GdkEvent * event)3519 toggle_row (GtkHList *hlist,
3520 gint row,
3521 gint column,
3522 GdkEvent *event)
3523 {
3524 GtkHListRow *hlist_row;
3525
3526 switch (hlist->selection_mode)
3527 {
3528 case GTK_SELECTION_EXTENDED:
3529 case GTK_SELECTION_MULTIPLE:
3530 case GTK_SELECTION_SINGLE:
3531 hlist_row = g_list_nth (hlist->row_list, row)->data;
3532
3533 if (!hlist_row)
3534 return;
3535
3536 if (hlist_row->state == GTK_STATE_SELECTED)
3537 {
3538 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[UNSELECT_ROW],
3539 row, column, event);
3540 return;
3541 }
3542 case GTK_SELECTION_BROWSE:
3543 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[SELECT_ROW],
3544 row, column, event);
3545 break;
3546 }
3547 }
3548
3549 static void
fake_toggle_row(GtkHList * hlist,gint row)3550 fake_toggle_row (GtkHList *hlist,
3551 gint row)
3552 {
3553 GList *work;
3554
3555 work = g_list_nth (hlist->row_list, row);
3556
3557 if (!work || !GTK_HLIST_ROW (work)->selectable)
3558 return;
3559
3560 if (GTK_HLIST_ROW (work)->state == GTK_STATE_NORMAL)
3561 hlist->anchor_state = GTK_HLIST_ROW (work)->state = GTK_STATE_SELECTED;
3562 else
3563 hlist->anchor_state = GTK_HLIST_ROW (work)->state = GTK_STATE_NORMAL;
3564
3565 if (HLIST_UNFROZEN (hlist) &&
3566 gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE)
3567 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, row,
3568 GTK_HLIST_ROW (work));
3569 }
3570
3571 static void
toggle_focus_row(GtkHList * hlist)3572 toggle_focus_row (GtkHList *hlist)
3573 {
3574 g_return_if_fail (hlist != 0);
3575 g_return_if_fail (GTK_IS_HLIST (hlist));
3576
3577 if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (hlist)) ||
3578 hlist->focus_row < 0 || hlist->focus_row >= hlist->rows)
3579 return;
3580
3581 switch (hlist->selection_mode)
3582 {
3583 case GTK_SELECTION_SINGLE:
3584 case GTK_SELECTION_MULTIPLE:
3585 toggle_row (hlist, hlist->focus_row, 0, NULL);
3586 break;
3587 case GTK_SELECTION_EXTENDED:
3588 g_list_free (hlist->undo_selection);
3589 g_list_free (hlist->undo_unselection);
3590 hlist->undo_selection = NULL;
3591 hlist->undo_unselection = NULL;
3592
3593 hlist->anchor = hlist->focus_row;
3594 hlist->drag_pos = hlist->focus_row;
3595 hlist->undo_anchor = hlist->focus_row;
3596
3597 if (GTK_HLIST_ADD_MODE(hlist))
3598 fake_toggle_row (hlist, hlist->focus_row);
3599 else
3600 GTK_HLIST_CLASS_FW (hlist)->fake_unselect_all (hlist,hlist->focus_row);
3601
3602 GTK_HLIST_CLASS_FW (hlist)->resync_selection (hlist, NULL);
3603 break;
3604 default:
3605 break;
3606 }
3607 }
3608
3609 static void
toggle_add_mode(GtkHList * hlist)3610 toggle_add_mode (GtkHList *hlist)
3611 {
3612 g_return_if_fail (hlist != 0);
3613 g_return_if_fail (GTK_IS_HLIST (hlist));
3614
3615 if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (hlist)) ||
3616 hlist->selection_mode != GTK_SELECTION_EXTENDED)
3617 return;
3618
3619 gtk_hlist_draw_focus (GTK_WIDGET (hlist));
3620 if (!GTK_HLIST_ADD_MODE(hlist))
3621 {
3622 GTK_HLIST_SET_FLAG (hlist, HLIST_ADD_MODE);
3623 gdk_gc_set_line_attributes (hlist->xor_gc, 1,
3624 GDK_LINE_ON_OFF_DASH, 0, 0);
3625 gdk_gc_set_dashes (hlist->xor_gc, 0, "\4\4", 2);
3626 }
3627 else
3628 {
3629 GTK_HLIST_UNSET_FLAG (hlist, HLIST_ADD_MODE);
3630 gdk_gc_set_line_attributes (hlist->xor_gc, 1, GDK_LINE_SOLID, 0, 0);
3631 hlist->anchor_state = GTK_STATE_SELECTED;
3632 }
3633 gtk_hlist_draw_focus (GTK_WIDGET (hlist));
3634 }
3635
3636 static void
real_select_row(GtkHList * hlist,gint row,gint column,GdkEvent * event)3637 real_select_row (GtkHList *hlist,
3638 gint row,
3639 gint column,
3640 GdkEvent *event)
3641 {
3642 GtkHListRow *hlist_row;
3643 GList *list;
3644 gint sel_row;
3645 gboolean row_selected;
3646
3647 g_return_if_fail (hlist != NULL);
3648 g_return_if_fail (GTK_IS_HLIST (hlist));
3649
3650 if (row < 0 || row > (hlist->rows - 1))
3651 return;
3652
3653 switch (hlist->selection_mode)
3654 {
3655 case GTK_SELECTION_SINGLE:
3656 case GTK_SELECTION_BROWSE:
3657
3658 row_selected = FALSE;
3659 list = hlist->selection;
3660
3661 while (list)
3662 {
3663 sel_row = GPOINTER_TO_INT (list->data);
3664 list = list->next;
3665
3666 if (row == sel_row)
3667 row_selected = TRUE;
3668 else
3669 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[UNSELECT_ROW],
3670 sel_row, column, event);
3671 }
3672
3673 if (row_selected)
3674 return;
3675
3676 default:
3677 break;
3678 }
3679
3680 hlist_row = (g_list_nth (hlist->row_list, row))->data;
3681
3682 if (hlist_row->state != GTK_STATE_NORMAL || !hlist_row->selectable)
3683 return;
3684
3685 hlist_row->state = GTK_STATE_SELECTED;
3686 if (!hlist->selection)
3687 {
3688 hlist->selection = g_list_append (hlist->selection,
3689 GINT_TO_POINTER (row));
3690 hlist->selection_end = hlist->selection;
3691 }
3692 else
3693 hlist->selection_end =
3694 g_list_append (hlist->selection_end, GINT_TO_POINTER (row))->next;
3695
3696 if (HLIST_UNFROZEN (hlist)
3697 && (gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE))
3698 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, row, hlist_row);
3699 }
3700
3701 static void
real_unselect_row(GtkHList * hlist,gint row,gint column,GdkEvent * event)3702 real_unselect_row (GtkHList *hlist,
3703 gint row,
3704 gint column,
3705 GdkEvent *event)
3706 {
3707 GtkHListRow *hlist_row;
3708
3709 g_return_if_fail (hlist != NULL);
3710 g_return_if_fail (GTK_IS_HLIST (hlist));
3711
3712 if (column || event) {} /* removes compiler warnings */
3713 if (row < 0 || row > (hlist->rows - 1))
3714 return;
3715
3716 hlist_row = (g_list_nth (hlist->row_list, row))->data;
3717
3718 if (hlist_row->state == GTK_STATE_SELECTED)
3719 {
3720 hlist_row->state = GTK_STATE_NORMAL;
3721
3722 if (hlist->selection_end &&
3723 hlist->selection_end->data == GINT_TO_POINTER (row))
3724 hlist->selection_end = hlist->selection_end->prev;
3725
3726 hlist->selection = g_list_remove (hlist->selection,
3727 GINT_TO_POINTER (row));
3728
3729 if (HLIST_UNFROZEN (hlist)
3730 && (gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE))
3731 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, row, hlist_row);
3732 }
3733 }
3734
3735 static void
real_select_all(GtkHList * hlist)3736 real_select_all (GtkHList *hlist)
3737 {
3738 GList *list;
3739 gint i;
3740
3741 g_return_if_fail (hlist != NULL);
3742 g_return_if_fail (GTK_IS_HLIST (hlist));
3743
3744 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (hlist))
3745 return;
3746
3747 switch (hlist->selection_mode)
3748 {
3749 case GTK_SELECTION_SINGLE:
3750 case GTK_SELECTION_BROWSE:
3751 return;
3752
3753 case GTK_SELECTION_EXTENDED:
3754 g_list_free (hlist->undo_selection);
3755 g_list_free (hlist->undo_unselection);
3756 hlist->undo_selection = NULL;
3757 hlist->undo_unselection = NULL;
3758
3759 if (hlist->rows &&
3760 ((GtkHListRow *) (hlist->row_list->data))->state !=
3761 GTK_STATE_SELECTED)
3762 fake_toggle_row (hlist, 0);
3763
3764 hlist->anchor_state = GTK_STATE_SELECTED;
3765 hlist->anchor = 0;
3766 hlist->drag_pos = 0;
3767 hlist->undo_anchor = hlist->focus_row;
3768 update_extended_selection (hlist, hlist->rows);
3769 GTK_HLIST_CLASS_FW (hlist)->resync_selection (hlist, NULL);
3770 return;
3771
3772 case GTK_SELECTION_MULTIPLE:
3773 for (i = 0, list = hlist->row_list; list; i++, list = list->next)
3774 {
3775 if (((GtkHListRow *)(list->data))->state == GTK_STATE_NORMAL)
3776 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[SELECT_ROW],
3777 i, -1, NULL);
3778 }
3779 return;
3780 }
3781 }
3782
3783 static void
real_unselect_all(GtkHList * hlist)3784 real_unselect_all (GtkHList *hlist)
3785 {
3786 GList *list;
3787 gint i;
3788
3789 g_return_if_fail (hlist != NULL);
3790 g_return_if_fail (GTK_IS_HLIST (hlist));
3791
3792 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (hlist))
3793 return;
3794
3795 switch (hlist->selection_mode)
3796 {
3797 case GTK_SELECTION_BROWSE:
3798 if (hlist->focus_row >= 0)
3799 {
3800 gtk_signal_emit (GTK_OBJECT (hlist),
3801 hlist_signals[SELECT_ROW],
3802 hlist->focus_row, -1, NULL);
3803 return;
3804 }
3805 break;
3806 case GTK_SELECTION_EXTENDED:
3807 g_list_free (hlist->undo_selection);
3808 g_list_free (hlist->undo_unselection);
3809 hlist->undo_selection = NULL;
3810 hlist->undo_unselection = NULL;
3811
3812 hlist->anchor = -1;
3813 hlist->drag_pos = -1;
3814 hlist->undo_anchor = hlist->focus_row;
3815 break;
3816 default:
3817 break;
3818 }
3819
3820 list = hlist->selection;
3821 while (list)
3822 {
3823 i = GPOINTER_TO_INT (list->data);
3824 list = list->next;
3825 gtk_signal_emit (GTK_OBJECT (hlist),
3826 hlist_signals[UNSELECT_ROW], i, -1, NULL);
3827 }
3828 }
3829
3830 static void
fake_unselect_all(GtkHList * hlist,gint row)3831 fake_unselect_all (GtkHList *hlist,
3832 gint row)
3833 {
3834 GList *list;
3835 GList *work;
3836 gint i;
3837
3838 if (row >= 0 && (work = g_list_nth (hlist->row_list, row)))
3839 {
3840 if (GTK_HLIST_ROW (work)->state == GTK_STATE_NORMAL &&
3841 GTK_HLIST_ROW (work)->selectable)
3842 {
3843 GTK_HLIST_ROW (work)->state = GTK_STATE_SELECTED;
3844
3845 if (HLIST_UNFROZEN (hlist) &&
3846 gtk_hlist_row_is_visible (hlist, row) != GTK_VISIBILITY_NONE)
3847 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, row,
3848 GTK_HLIST_ROW (work));
3849 }
3850 }
3851
3852 hlist->undo_selection = hlist->selection;
3853 hlist->selection = NULL;
3854 hlist->selection_end = NULL;
3855
3856 for (list = hlist->undo_selection; list; list = list->next)
3857 {
3858 if ((i = GPOINTER_TO_INT (list->data)) == row ||
3859 !(work = g_list_nth (hlist->row_list, i)))
3860 continue;
3861
3862 GTK_HLIST_ROW (work)->state = GTK_STATE_NORMAL;
3863 if (HLIST_UNFROZEN (hlist) &&
3864 gtk_hlist_row_is_visible (hlist, i) != GTK_VISIBILITY_NONE)
3865 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, NULL, i,
3866 GTK_HLIST_ROW (work));
3867 }
3868 }
3869
3870 static void
real_undo_selection(GtkHList * hlist)3871 real_undo_selection (GtkHList *hlist)
3872 {
3873 GList *work;
3874
3875 g_return_if_fail (hlist != NULL);
3876 g_return_if_fail (GTK_IS_HLIST (hlist));
3877
3878 if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (hlist)) ||
3879 hlist->selection_mode != GTK_SELECTION_EXTENDED)
3880 return;
3881
3882 GTK_HLIST_CLASS_FW (hlist)->resync_selection (hlist, NULL);
3883
3884 if (!(hlist->undo_selection || hlist->undo_unselection))
3885 {
3886 gtk_hlist_unselect_all (hlist);
3887 return;
3888 }
3889
3890 for (work = hlist->undo_selection; work; work = work->next)
3891 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[SELECT_ROW],
3892 GPOINTER_TO_INT (work->data), -1, NULL);
3893
3894 for (work = hlist->undo_unselection; work; work = work->next)
3895 {
3896 /* g_print ("unselect %d\n",GPOINTER_TO_INT (work->data)); */
3897 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[UNSELECT_ROW],
3898 GPOINTER_TO_INT (work->data), -1, NULL);
3899 }
3900
3901 if (GTK_WIDGET_HAS_FOCUS(hlist) && hlist->focus_row != hlist->undo_anchor)
3902 {
3903 gtk_hlist_draw_focus (GTK_WIDGET (hlist));
3904 hlist->focus_row = hlist->undo_anchor;
3905 gtk_hlist_draw_focus (GTK_WIDGET (hlist));
3906 }
3907 else
3908 hlist->focus_row = hlist->undo_anchor;
3909
3910 hlist->undo_anchor = -1;
3911
3912 g_list_free (hlist->undo_selection);
3913 g_list_free (hlist->undo_unselection);
3914 hlist->undo_selection = NULL;
3915 hlist->undo_unselection = NULL;
3916
3917 if (ROW_TOP_YPIXEL (hlist, hlist->focus_row) + hlist->row_height >
3918 hlist->hlist_window_height)
3919 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 1, 0);
3920 else if (ROW_TOP_YPIXEL (hlist, hlist->focus_row) < 0)
3921 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 0, 0);
3922 }
3923
3924 static void
set_anchor(GtkHList * hlist,gboolean add_mode,gint anchor,gint undo_anchor)3925 set_anchor (GtkHList *hlist,
3926 gboolean add_mode,
3927 gint anchor,
3928 gint undo_anchor)
3929 {
3930 g_return_if_fail (hlist != NULL);
3931 g_return_if_fail (GTK_IS_HLIST (hlist));
3932
3933 if (hlist->selection_mode != GTK_SELECTION_EXTENDED || hlist->anchor >= 0)
3934 return;
3935
3936 g_list_free (hlist->undo_selection);
3937 g_list_free (hlist->undo_unselection);
3938 hlist->undo_selection = NULL;
3939 hlist->undo_unselection = NULL;
3940
3941 if (add_mode)
3942 fake_toggle_row (hlist, anchor);
3943 else
3944 {
3945 GTK_HLIST_CLASS_FW (hlist)->fake_unselect_all (hlist, anchor);
3946 hlist->anchor_state = GTK_STATE_SELECTED;
3947 }
3948
3949 hlist->anchor = anchor;
3950 hlist->drag_pos = anchor;
3951 hlist->undo_anchor = undo_anchor;
3952 }
3953
3954 static void
resync_selection(GtkHList * hlist,GdkEvent * event)3955 resync_selection (GtkHList *hlist,
3956 GdkEvent *event)
3957 {
3958 gint i;
3959 gint e;
3960 gint row;
3961 GList *list, *nth;
3962 GtkHListRow *hlist_row;
3963
3964 if (hlist->selection_mode != GTK_SELECTION_EXTENDED)
3965 return;
3966
3967 if (hlist->anchor < 0 || hlist->drag_pos < 0)
3968 return;
3969
3970 gtk_hlist_freeze (hlist);
3971
3972 i = MIN (hlist->anchor, hlist->drag_pos);
3973 e = MAX (hlist->anchor, hlist->drag_pos);
3974
3975 if (hlist->undo_selection)
3976 {
3977 list = hlist->selection;
3978 hlist->selection = hlist->undo_selection;
3979 hlist->selection_end = g_list_last (hlist->selection);
3980 hlist->undo_selection = list;
3981 list = hlist->selection;
3982 while (list)
3983 {
3984 row = GPOINTER_TO_INT (list->data);
3985 list = list->next;
3986 if (row < i || row > e)
3987 {
3988 nth = g_list_nth (hlist->row_list, row);
3989 if (nth)
3990 hlist_row = nth->data;
3991 else
3992 continue;
3993 if (hlist_row->selectable)
3994 {
3995 hlist_row->draw_me = 1;
3996 hlist_row->state = GTK_STATE_SELECTED;
3997 gtk_signal_emit (GTK_OBJECT (hlist),
3998 hlist_signals[UNSELECT_ROW],
3999 row, -1, event);
4000 hlist->undo_selection = g_list_prepend
4001 (hlist->undo_selection, GINT_TO_POINTER (row));
4002 }
4003 }
4004 }
4005 }
4006
4007 if (hlist->anchor < hlist->drag_pos)
4008 {
4009 for (list = g_list_nth (hlist->row_list, i); i <= e;
4010 i++, list = list->next) {
4011 if (!list)
4012 break;
4013 if (GTK_HLIST_ROW (list)->selectable)
4014 {
4015 if (g_list_find (hlist->selection, GINT_TO_POINTER(i)))
4016 {
4017 if (GTK_HLIST_ROW (list)->state == GTK_STATE_NORMAL)
4018 {
4019 GTK_HLIST_ROW(list)->draw_me = 1;
4020 GTK_HLIST_ROW (list)->state = GTK_STATE_SELECTED;
4021 gtk_signal_emit (GTK_OBJECT (hlist),
4022 hlist_signals[UNSELECT_ROW],
4023 i, -1, event);
4024 hlist->undo_selection =
4025 g_list_prepend (hlist->undo_selection,
4026 GINT_TO_POINTER (i));
4027 }
4028 }
4029 else if (GTK_HLIST_ROW (list)->state == GTK_STATE_SELECTED)
4030 {
4031 GTK_HLIST_ROW (list)->state = GTK_STATE_NORMAL;
4032 hlist->undo_unselection =
4033 g_list_prepend (hlist->undo_unselection,
4034 GINT_TO_POINTER (i));
4035 }
4036 }
4037 }
4038 }
4039 else
4040 {
4041 for (list = g_list_nth (hlist->row_list, e); i <= e;
4042 e--, list = list->prev) {
4043 if (!list)
4044 break;
4045 if (GTK_HLIST_ROW (list)->selectable)
4046 {
4047 if (g_list_find (hlist->selection, GINT_TO_POINTER(e)))
4048 {
4049 if (GTK_HLIST_ROW (list)->state == GTK_STATE_NORMAL)
4050 {
4051 GTK_HLIST_ROW(list)->draw_me = 1;
4052 GTK_HLIST_ROW (list)->state = GTK_STATE_SELECTED;
4053 gtk_signal_emit (GTK_OBJECT (hlist),
4054 hlist_signals[UNSELECT_ROW],
4055 e, -1, event);
4056 hlist->undo_selection =
4057 g_list_prepend (hlist->undo_selection,
4058 GINT_TO_POINTER (e));
4059 }
4060 }
4061 else if (GTK_HLIST_ROW (list)->state == GTK_STATE_SELECTED)
4062 {
4063 GTK_HLIST_ROW (list)->state = GTK_STATE_NORMAL;
4064 hlist->undo_unselection =
4065 g_list_prepend (hlist->undo_unselection,
4066 GINT_TO_POINTER (e));
4067 }
4068 }
4069 }
4070 }
4071
4072 hlist->undo_unselection = g_list_reverse (hlist->undo_unselection);
4073 for (list = hlist->undo_unselection; list; list = list->next)
4074 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[SELECT_ROW],
4075 GPOINTER_TO_INT (list->data), -1, event);
4076
4077 hlist->anchor = -1;
4078 hlist->drag_pos = -1;
4079
4080 gtk_hlist_thaw (hlist);
4081 }
4082
4083 static void
update_extended_selection(GtkHList * hlist,gint row)4084 update_extended_selection (GtkHList *hlist,
4085 gint row)
4086 {
4087 gint i;
4088 GList *list;
4089 GdkRectangle area;
4090 gint s1 = -1;
4091 gint s2 = -1;
4092 gint e1 = -1;
4093 gint e2 = -1;
4094 gint y1 = hlist->hlist_window_height;
4095 gint y2 = hlist->hlist_window_height;
4096 gint h1 = 0;
4097 gint h2 = 0;
4098 gint top;
4099
4100 if (hlist->selection_mode != GTK_SELECTION_EXTENDED || hlist->anchor == -1)
4101 return;
4102
4103 if (row < 0)
4104 row = 0;
4105 if (row >= hlist->rows)
4106 row = hlist->rows - 1;
4107
4108 /* extending downwards */
4109 if (row > hlist->drag_pos && hlist->anchor <= hlist->drag_pos)
4110 {
4111 s2 = hlist->drag_pos + 1;
4112 e2 = row;
4113 }
4114 /* extending upwards */
4115 else if (row < hlist->drag_pos && hlist->anchor >= hlist->drag_pos)
4116 {
4117 s2 = row;
4118 e2 = hlist->drag_pos - 1;
4119 }
4120 else if (row < hlist->drag_pos && hlist->anchor < hlist->drag_pos)
4121 {
4122 e1 = hlist->drag_pos;
4123 /* row and drag_pos on different sides of anchor :
4124 take back the selection between anchor and drag_pos,
4125 select between anchor and row */
4126 if (row < hlist->anchor)
4127 {
4128 s1 = hlist->anchor + 1;
4129 s2 = row;
4130 e2 = hlist->anchor - 1;
4131 }
4132 /* take back the selection between anchor and drag_pos */
4133 else
4134 s1 = row + 1;
4135 }
4136 else if (row > hlist->drag_pos && hlist->anchor > hlist->drag_pos)
4137 {
4138 s1 = hlist->drag_pos;
4139 /* row and drag_pos on different sides of anchor :
4140 take back the selection between anchor and drag_pos,
4141 select between anchor and row */
4142 if (row > hlist->anchor)
4143 {
4144 e1 = hlist->anchor - 1;
4145 s2 = hlist->anchor + 1;
4146 e2 = row;
4147 }
4148 /* take back the selection between anchor and drag_pos */
4149 else
4150 e1 = row - 1;
4151 }
4152
4153 hlist->drag_pos = row;
4154
4155 area.x = 0;
4156 area.width = hlist->hlist_window_width;
4157
4158 /* restore the elements between s1 and e1 */
4159 if (s1 >= 0)
4160 {
4161 for (i = s1, list = g_list_nth (hlist->row_list, i); i <= e1;
4162 i++, list = list->next)
4163 if (GTK_HLIST_ROW (list)->selectable)
4164 {
4165 if (GTK_HLIST_CLASS_FW (hlist)->selection_find (hlist, i, list))
4166 GTK_HLIST_ROW (list)->state = GTK_STATE_SELECTED;
4167 else
4168 GTK_HLIST_ROW (list)->state = GTK_STATE_NORMAL;
4169 }
4170
4171 top = ROW_TOP_YPIXEL (hlist, hlist->focus_row);
4172
4173 if (top + hlist->row_height <= 0)
4174 {
4175 area.y = 0;
4176 area.height = ROW_TOP_YPIXEL (hlist, e1) + hlist->row_height;
4177 draw_rows (hlist, &area);
4178 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 0, 0);
4179 }
4180 else if (top >= hlist->hlist_window_height)
4181 {
4182 area.y = ROW_TOP_YPIXEL (hlist, s1) - 1;
4183 area.height = hlist->hlist_window_height - area.y;
4184 draw_rows (hlist, &area);
4185 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 1, 0);
4186 }
4187 else if (top < 0)
4188 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 0, 0);
4189 else if (top + hlist->row_height > hlist->hlist_window_height)
4190 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 1, 0);
4191
4192 y1 = ROW_TOP_YPIXEL (hlist, s1) - 1;
4193 h1 = (e1 - s1 + 1) * (hlist->row_height + HELL_SPACING);
4194 }
4195
4196 /* extend the selection between s2 and e2 */
4197 if (s2 >= 0)
4198 {
4199 for (i = s2, list = g_list_nth (hlist->row_list, i); i <= e2;
4200 i++, list = list->next)
4201 if (GTK_HLIST_ROW (list)->selectable &&
4202 GTK_HLIST_ROW (list)->state != hlist->anchor_state)
4203 GTK_HLIST_ROW (list)->state = hlist->anchor_state;
4204
4205 top = ROW_TOP_YPIXEL (hlist, hlist->focus_row);
4206
4207 if (top + hlist->row_height <= 0)
4208 {
4209 area.y = 0;
4210 area.height = ROW_TOP_YPIXEL (hlist, e2) + hlist->row_height;
4211 draw_rows (hlist, &area);
4212 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 0, 0);
4213 }
4214 else if (top >= hlist->hlist_window_height)
4215 {
4216 area.y = ROW_TOP_YPIXEL (hlist, s2) - 1;
4217 area.height = hlist->hlist_window_height - area.y;
4218 draw_rows (hlist, &area);
4219 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 1, 0);
4220 }
4221 else if (top < 0)
4222 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 0, 0);
4223 else if (top + hlist->row_height > hlist->hlist_window_height)
4224 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 1, 0);
4225
4226 y2 = ROW_TOP_YPIXEL (hlist, s2) - 1;
4227 h2 = (e2 - s2 + 1) * (hlist->row_height + HELL_SPACING);
4228 }
4229
4230 area.y = MAX (0, MIN (y1, y2));
4231 if (area.y > hlist->hlist_window_height)
4232 area.y = 0;
4233 area.height = MIN (hlist->hlist_window_height, h1 + h2);
4234 if (s1 >= 0 && s2 >= 0)
4235 area.height += (hlist->row_height + HELL_SPACING);
4236 draw_rows (hlist, &area);
4237 }
4238
4239 static void
start_selection(GtkHList * hlist)4240 start_selection (GtkHList *hlist)
4241 {
4242 g_return_if_fail (hlist != NULL);
4243 g_return_if_fail (GTK_IS_HLIST (hlist));
4244
4245 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (hlist))
4246 return;
4247
4248 set_anchor (hlist, GTK_HLIST_ADD_MODE(hlist), hlist->focus_row,
4249 hlist->focus_row);
4250 }
4251
4252 static void
end_selection(GtkHList * hlist)4253 end_selection (GtkHList *hlist)
4254 {
4255 g_return_if_fail (hlist != NULL);
4256 g_return_if_fail (GTK_IS_HLIST (hlist));
4257
4258 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_FOCUS(hlist))
4259 return;
4260
4261 GTK_HLIST_CLASS_FW (hlist)->resync_selection (hlist, NULL);
4262 }
4263
4264 static void
extend_selection(GtkHList * hlist,GtkScrollType scroll_type,gfloat position,gboolean auto_start_selection)4265 extend_selection (GtkHList *hlist,
4266 GtkScrollType scroll_type,
4267 gfloat position,
4268 gboolean auto_start_selection)
4269 {
4270 g_return_if_fail (hlist != NULL);
4271 g_return_if_fail (GTK_IS_HLIST (hlist));
4272
4273 if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (hlist)) ||
4274 hlist->selection_mode != GTK_SELECTION_EXTENDED)
4275 return;
4276
4277 if (auto_start_selection)
4278 set_anchor (hlist, GTK_HLIST_ADD_MODE(hlist), hlist->focus_row,
4279 hlist->focus_row);
4280 else if (hlist->anchor == -1)
4281 return;
4282
4283 move_focus_row (hlist, scroll_type, position);
4284
4285 if (ROW_TOP_YPIXEL (hlist, hlist->focus_row) + hlist->row_height >
4286 hlist->hlist_window_height)
4287 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 1, 0);
4288 else if (ROW_TOP_YPIXEL (hlist, hlist->focus_row) < 0)
4289 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 0, 0);
4290
4291 update_extended_selection (hlist, hlist->focus_row);
4292 }
4293
4294 static void
sync_selection(GtkHList * hlist,gint row,gint mode)4295 sync_selection (GtkHList *hlist,
4296 gint row,
4297 gint mode)
4298 {
4299 GList *list;
4300 gint d;
4301
4302 if (mode == SYNC_INSERT)
4303 d = 1;
4304 else
4305 d = -1;
4306
4307 if (hlist->focus_row >= row)
4308 {
4309 if (d > 0 || hlist->focus_row > row)
4310 hlist->focus_row += d;
4311 if (hlist->focus_row == -1 && hlist->rows >= 1)
4312 hlist->focus_row = 0;
4313 else if (hlist->focus_row >= hlist->rows)
4314 hlist->focus_row = hlist->rows - 1;
4315 }
4316
4317 GTK_HLIST_CLASS_FW (hlist)->resync_selection (hlist, NULL);
4318
4319 g_list_free (hlist->undo_selection);
4320 g_list_free (hlist->undo_unselection);
4321 hlist->undo_selection = NULL;
4322 hlist->undo_unselection = NULL;
4323
4324 hlist->anchor = -1;
4325 hlist->drag_pos = -1;
4326 hlist->undo_anchor = hlist->focus_row;
4327
4328 list = hlist->selection;
4329
4330 while (list)
4331 {
4332 if (GPOINTER_TO_INT (list->data) >= row)
4333 list->data = ((gchar*) list->data) + d;
4334 list = list->next;
4335 }
4336 }
4337
4338 /* GTKOBJECT
4339 * gtk_hlist_destroy
4340 * gtk_hlist_finalize
4341 */
4342 static void
gtk_hlist_destroy(GtkObject * object)4343 gtk_hlist_destroy (GtkObject *object)
4344 {
4345 gint i;
4346 GtkHList *hlist;
4347
4348 g_return_if_fail (object != NULL);
4349 g_return_if_fail (GTK_IS_HLIST (object));
4350
4351 hlist = GTK_HLIST (object);
4352
4353 /* freeze the list */
4354 hlist->freeze_count++;
4355
4356 /* get rid of all the rows */
4357 gtk_hlist_clear (hlist);
4358
4359 /* Since we don't have a _remove method, unparent the children
4360 * instead of destroying them so the focus will be unset properly.
4361 * (For other containers, the _remove method takes care of the
4362 * unparent) The destroy will happen when the refcount drops
4363 * to zero.
4364 */
4365
4366 /* unref adjustments */
4367 if (hlist->hadjustment)
4368 {
4369 gtk_signal_disconnect_by_data (GTK_OBJECT (hlist->hadjustment), hlist);
4370 gtk_object_unref (GTK_OBJECT (hlist->hadjustment));
4371 hlist->hadjustment = NULL;
4372 }
4373 if (hlist->vadjustment)
4374 {
4375 gtk_signal_disconnect_by_data (GTK_OBJECT (hlist->vadjustment), hlist);
4376 gtk_object_unref (GTK_OBJECT (hlist->vadjustment));
4377 hlist->vadjustment = NULL;
4378 }
4379
4380 remove_grab (hlist);
4381
4382 /* destroy the column buttons */
4383 for (i = 0; i < hlist->columns; i++)
4384 if (hlist->column[i].button)
4385 {
4386 gtk_widget_unparent (hlist->column[i].button);
4387 hlist->column[i].button = NULL;
4388 }
4389
4390 if (GTK_OBJECT_CLASS (parent_class)->destroy)
4391 (*GTK_OBJECT_CLASS (parent_class)->destroy) (object);
4392 }
4393
4394 static void
gtk_hlist_finalize(GtkObject * object)4395 gtk_hlist_finalize (GtkObject *object)
4396 {
4397 GtkHList *hlist;
4398
4399 g_return_if_fail (object != NULL);
4400 g_return_if_fail (GTK_IS_HLIST (object));
4401
4402 hlist = GTK_HLIST (object);
4403
4404 columns_delete (hlist);
4405
4406 g_mem_chunk_destroy (hlist->cell_mem_chunk);
4407 g_mem_chunk_destroy (hlist->row_mem_chunk);
4408
4409 if (GTK_OBJECT_CLASS (parent_class)->finalize)
4410 (*GTK_OBJECT_CLASS (parent_class)->finalize) (object);
4411 }
4412
4413 /* GTKWIDGET
4414 * gtk_hlist_realize
4415 * gtk_hlist_unrealize
4416 * gtk_hlist_map
4417 * gtk_hlist_unmap
4418 * gtk_hlist_draw
4419 * gtk_hlist_expose
4420 * gtk_hlist_style_set
4421 * gtk_hlist_key_press
4422 * gtk_hlist_button_press
4423 * gtk_hlist_button_release
4424 * gtk_hlist_motion
4425 * gtk_hlist_size_request
4426 * gtk_hlist_size_allocate
4427 */
4428
4429 static GdkColor my_bg_color;
4430 static GdkGC *my_bg_gc = 0;
4431
4432 static void
gtk_hlist_realize(GtkWidget * widget)4433 gtk_hlist_realize (GtkWidget *widget)
4434 {
4435 GtkHList *hlist;
4436 GdkWindowAttr attributes;
4437 GdkGCValues values;
4438 GdkColormap *colormap;
4439 GdkColor color;
4440 GtkStyle *style;
4441 GtkHListRow *hlist_row;
4442 GList *list;
4443 gint attributes_mask;
4444 gint border_width;
4445 gint i;
4446 gint j;
4447
4448 g_return_if_fail (widget != NULL);
4449 g_return_if_fail (GTK_IS_HLIST (widget));
4450
4451 hlist = GTK_HLIST (widget);
4452
4453 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
4454
4455 border_width = GTK_CONTAINER (widget)->border_width;
4456
4457 attributes.window_type = GDK_WINDOW_CHILD;
4458 attributes.x = widget->allocation.x + border_width;
4459 attributes.y = widget->allocation.y + border_width;
4460 attributes.width = widget->allocation.width - border_width * 2;
4461 attributes.height = widget->allocation.height - border_width * 2;
4462 attributes.wclass = GDK_INPUT_OUTPUT;
4463 attributes.visual = gtk_widget_get_visual (widget);
4464 attributes.colormap = gtk_widget_get_colormap (widget);
4465 attributes.event_mask = gtk_widget_get_events (widget);
4466 attributes.event_mask |= (GDK_EXPOSURE_MASK |
4467 GDK_BUTTON_PRESS_MASK |
4468 GDK_BUTTON_RELEASE_MASK |
4469 GDK_KEY_PRESS_MASK |
4470 GDK_KEY_RELEASE_MASK);
4471 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
4472
4473 /* main window */
4474 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
4475 &attributes, attributes_mask);
4476 gdk_window_set_user_data (widget->window, hlist);
4477
4478 widget->style = gtk_style_attach (widget->style, widget->window);
4479
4480 gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
4481
4482 /* column-title window */
4483
4484 attributes.x = hlist->column_title_area.x;
4485 attributes.y = hlist->column_title_area.y;
4486 attributes.width = hlist->column_title_area.width;
4487 attributes.height = hlist->column_title_area.height;
4488
4489 hlist->title_window = gdk_window_new (widget->window, &attributes,
4490 attributes_mask);
4491 gdk_window_set_user_data (hlist->title_window, hlist);
4492
4493 gtk_style_set_background (widget->style, hlist->title_window,
4494 GTK_STATE_NORMAL);
4495 gdk_window_show (hlist->title_window);
4496
4497 /* set things up so column buttons are drawn in title window */
4498 for (i = 0; i < hlist->columns; i++)
4499 if (hlist->column[i].button)
4500 gtk_widget_set_parent_window (hlist->column[i].button,
4501 hlist->title_window);
4502
4503 /* hlist-window */
4504 attributes.x = (hlist->internal_allocation.x +
4505 widget->style->klass->xthickness);
4506 attributes.y = (hlist->internal_allocation.y +
4507 widget->style->klass->ythickness +
4508 hlist->column_title_area.height);
4509 attributes.width = hlist->hlist_window_width;
4510 attributes.height = hlist->hlist_window_height;
4511
4512 hlist->hlist_window = gdk_window_new (widget->window, &attributes,
4513 attributes_mask);
4514 gdk_window_set_user_data (hlist->hlist_window, hlist);
4515
4516 gdk_window_set_background (hlist->hlist_window,
4517 &widget->style->base[GTK_STATE_NORMAL]);
4518 gdk_window_show (hlist->hlist_window);
4519 gdk_window_get_size (hlist->hlist_window, &hlist->hlist_window_width,
4520 &hlist->hlist_window_height);
4521
4522 /* create resize windows */
4523 attributes.wclass = GDK_INPUT_ONLY;
4524 attributes.event_mask = (GDK_BUTTON_PRESS_MASK |
4525 GDK_BUTTON_RELEASE_MASK |
4526 GDK_POINTER_MOTION_MASK |
4527 GDK_POINTER_MOTION_HINT_MASK |
4528 GDK_KEY_PRESS_MASK);
4529 attributes_mask = GDK_WA_CURSOR;
4530 attributes.cursor = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW);
4531 hlist->cursor_drag = attributes.cursor;
4532
4533 attributes.x = LIST_WIDTH (hlist) + 1;
4534 attributes.y = 0;
4535 attributes.width = 0;
4536 attributes.height = 0;
4537
4538 for (i = 0; i < hlist->columns; i++)
4539 {
4540 hlist->column[i].window = gdk_window_new (hlist->title_window,
4541 &attributes, attributes_mask);
4542 gdk_window_set_user_data (hlist->column[i].window, hlist);
4543 }
4544
4545 /* This is slightly less efficient than creating them with the
4546 * right size to begin with, but easier
4547 */
4548 size_allocate_title_buttons (hlist);
4549
4550 /* GCs */
4551 colormap = gtk_widget_get_colormap (widget);
4552 color.red = 0xd75c;
4553 color.green = 0xd75c;
4554 color.blue = 0xd75c;
4555 color.pixel = 0;
4556 if (!gdk_colormap_alloc_color(colormap, &color, 0, 1))
4557 g_warning("could not allocate color %x/%x/%x", color.red, color.green, color.blue);
4558 style = gtk_style_copy(gtk_widget_get_style(widget));
4559 my_bg_color = color;
4560 if (!my_bg_gc)
4561 my_bg_gc = gdk_gc_new(hlist->hlist_window);
4562 gdk_gc_set_foreground(my_bg_gc, &my_bg_color);
4563 gtk_widget_set_style(widget, style);
4564 gdk_window_set_background(hlist->hlist_window, &color);
4565
4566 hlist->fg_gc = gdk_gc_new (widget->window);
4567 hlist->bg_gc = gdk_gc_new (widget->window);
4568
4569 /* We'll use this gc to do scrolling as well */
4570 gdk_gc_set_exposures (hlist->fg_gc, TRUE);
4571
4572 values.foreground = (widget->style->white.pixel==0 ?
4573 widget->style->black:widget->style->white);
4574 values.function = GDK_XOR;
4575 values.subwindow_mode = GDK_INCLUDE_INFERIORS;
4576 hlist->xor_gc = gdk_gc_new_with_values (widget->window,
4577 &values,
4578 GDK_GC_FOREGROUND |
4579 GDK_GC_FUNCTION |
4580 GDK_GC_SUBWINDOW);
4581
4582 /* attach optional row/cell styles, allocate foreground/background colors */
4583 list = hlist->row_list;
4584 for (i = 0; i < hlist->rows; i++)
4585 {
4586 hlist_row = list->data;
4587 list = list->next;
4588
4589 if (hlist_row->style)
4590 hlist_row->style = gtk_style_attach (hlist_row->style,
4591 hlist->hlist_window);
4592
4593 if (hlist_row->fg_set || hlist_row->bg_set)
4594 {
4595 colormap = gtk_widget_get_colormap (widget);
4596 if (hlist_row->fg_set)
4597 gdk_color_alloc (colormap, &hlist_row->foreground);
4598 if (hlist_row->bg_set)
4599 gdk_color_alloc (colormap, &hlist_row->background);
4600 }
4601
4602 for (j = 0; j < hlist->columns; j++)
4603 if (hlist_row->cell[j].style)
4604 hlist_row->cell[j].style =
4605 gtk_style_attach (hlist_row->cell[j].style, hlist->hlist_window);
4606 }
4607 }
4608
4609 static void
gtk_hlist_unrealize(GtkWidget * widget)4610 gtk_hlist_unrealize (GtkWidget *widget)
4611 {
4612 gint i;
4613 GtkHList *hlist;
4614
4615 g_return_if_fail (widget != NULL);
4616 g_return_if_fail (GTK_IS_HLIST (widget));
4617
4618 hlist = GTK_HLIST (widget);
4619
4620 /* freeze the list */
4621 hlist->freeze_count++;
4622
4623 if (GTK_WIDGET_MAPPED (widget))
4624 gtk_hlist_unmap (widget);
4625
4626 GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
4627
4628 /* detach optional row/cell styles */
4629 if (GTK_WIDGET_REALIZED (widget))
4630 {
4631 GtkHListRow *hlist_row;
4632 GList *list;
4633 gint j;
4634
4635 list = hlist->row_list;
4636 for (i = 0; i < hlist->rows; i++)
4637 {
4638 hlist_row = list->data;
4639 list = list->next;
4640
4641 if (hlist_row->style)
4642 gtk_style_detach (hlist_row->style);
4643 for (j = 0; j < hlist->columns; j++)
4644 if (hlist_row->cell[j].style)
4645 gtk_style_detach (hlist_row->cell[j].style);
4646 }
4647 }
4648
4649 gdk_cursor_destroy (hlist->cursor_drag);
4650 gdk_gc_destroy (hlist->xor_gc);
4651 gdk_gc_destroy (hlist->fg_gc);
4652 gdk_gc_destroy (hlist->bg_gc);
4653
4654 for (i = 0; i < hlist->columns; i++)
4655 {
4656 if (hlist->column[i].button)
4657 gtk_widget_unrealize (hlist->column[i].button);
4658 if (hlist->column[i].window)
4659 {
4660 gdk_window_set_user_data (hlist->column[i].window, NULL);
4661 gdk_window_destroy (hlist->column[i].window);
4662 hlist->column[i].window = NULL;
4663 }
4664 }
4665
4666 gdk_window_set_user_data (hlist->hlist_window, NULL);
4667 gdk_window_destroy (hlist->hlist_window);
4668 hlist->hlist_window = NULL;
4669
4670 gdk_window_set_user_data (hlist->title_window, NULL);
4671 gdk_window_destroy (hlist->title_window);
4672 hlist->title_window = NULL;
4673
4674 hlist->cursor_drag = NULL;
4675 hlist->xor_gc = NULL;
4676 hlist->fg_gc = NULL;
4677 hlist->bg_gc = NULL;
4678
4679 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
4680 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
4681 }
4682
4683 static void
gtk_hlist_map(GtkWidget * widget)4684 gtk_hlist_map (GtkWidget *widget)
4685 {
4686 gint i;
4687 GtkHList *hlist;
4688
4689 g_return_if_fail (widget != NULL);
4690 g_return_if_fail (GTK_IS_HLIST (widget));
4691
4692 hlist = GTK_HLIST (widget);
4693
4694 if (!GTK_WIDGET_MAPPED (widget))
4695 {
4696 GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
4697
4698 /* map column buttons */
4699 for (i = 0; i < hlist->columns; i++)
4700 {
4701 if (hlist->column[i].button &&
4702 GTK_WIDGET_VISIBLE (hlist->column[i].button) &&
4703 !GTK_WIDGET_MAPPED (hlist->column[i].button))
4704 gtk_widget_map (hlist->column[i].button);
4705 }
4706
4707 for (i = 0; i < hlist->columns; i++)
4708 if (hlist->column[i].window && hlist->column[i].button)
4709 {
4710 gdk_window_raise (hlist->column[i].window);
4711 gdk_window_show (hlist->column[i].window);
4712 }
4713
4714 gdk_window_show (hlist->title_window);
4715 gdk_window_show (hlist->hlist_window);
4716 gdk_window_show (widget->window);
4717
4718 /* unfreeze the list */
4719 hlist->freeze_count = 0;
4720 }
4721 }
4722
4723 static void
gtk_hlist_unmap(GtkWidget * widget)4724 gtk_hlist_unmap (GtkWidget *widget)
4725 {
4726 gint i;
4727 GtkHList *hlist;
4728
4729 g_return_if_fail (widget != NULL);
4730 g_return_if_fail (GTK_IS_HLIST (widget));
4731
4732 hlist = GTK_HLIST (widget);
4733
4734 if (GTK_WIDGET_MAPPED (widget))
4735 {
4736 GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
4737
4738 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (hlist))
4739 {
4740 remove_grab (hlist);
4741
4742 GTK_HLIST_CLASS_FW (widget)->resync_selection (hlist, NULL);
4743
4744 hlist->click_cell.row = -1;
4745 hlist->click_cell.column = -1;
4746 hlist->drag_button = 0;
4747
4748 if (GTK_HLIST_IN_DRAG(hlist))
4749 {
4750 gpointer drag_data;
4751
4752 GTK_HLIST_UNSET_FLAG (hlist, HLIST_IN_DRAG);
4753 drag_data = gtk_object_get_data (GTK_OBJECT (hlist),
4754 "gtk-site-data");
4755 if (drag_data)
4756 gtk_signal_handler_unblock_by_data (GTK_OBJECT (hlist),
4757 drag_data);
4758 }
4759 }
4760
4761 for (i = 0; i < hlist->columns; i++)
4762 if (hlist->column[i].window)
4763 gdk_window_hide (hlist->column[i].window);
4764
4765 gdk_window_hide (hlist->hlist_window);
4766 gdk_window_hide (hlist->title_window);
4767 gdk_window_hide (widget->window);
4768
4769 /* unmap column buttons */
4770 for (i = 0; i < hlist->columns; i++)
4771 if (hlist->column[i].button &&
4772 GTK_WIDGET_MAPPED (hlist->column[i].button))
4773 gtk_widget_unmap (hlist->column[i].button);
4774
4775 /* freeze the list */
4776 hlist->freeze_count++;
4777 }
4778 }
4779
4780 static void
gtk_hlist_draw(GtkWidget * widget,GdkRectangle * area)4781 gtk_hlist_draw (GtkWidget *widget,
4782 GdkRectangle *area)
4783 {
4784 GtkHList *hlist;
4785 gint border_width;
4786 GdkRectangle child_area;
4787 int i;
4788
4789 g_return_if_fail (widget != NULL);
4790 g_return_if_fail (GTK_IS_HLIST (widget));
4791 g_return_if_fail (area != NULL);
4792
4793 if (GTK_WIDGET_DRAWABLE (widget))
4794 {
4795 hlist = GTK_HLIST (widget);
4796 border_width = GTK_CONTAINER (widget)->border_width;
4797
4798 #if 0
4799 gdk_window_clear_area (widget->window,
4800 area->x - border_width,
4801 area->y - border_width,
4802 area->width, area->height);
4803 #endif
4804
4805 /* draw list shadow/border */
4806 gtk_draw_shadow (widget->style, widget->window,
4807 GTK_STATE_NORMAL, hlist->shadow_type,
4808 0, 0,
4809 hlist->hlist_window_width +
4810 (2 * widget->style->klass->xthickness),
4811 hlist->hlist_window_height +
4812 (2 * widget->style->klass->ythickness) +
4813 hlist->column_title_area.height);
4814
4815 #if 0
4816 gdk_window_clear_area (hlist->hlist_window, 0, 0, 0, 0);
4817 #endif
4818 draw_rows (hlist, area);
4819
4820 for (i = 0; i < hlist->columns; i++)
4821 {
4822 if (!hlist->column[i].visible)
4823 continue;
4824 if (hlist->column[i].button &&
4825 gtk_widget_intersect(hlist->column[i].button, area, &child_area))
4826 gtk_widget_draw (hlist->column[i].button, &child_area);
4827 }
4828 }
4829 }
4830
4831 static gint
gtk_hlist_expose(GtkWidget * widget,GdkEventExpose * event)4832 gtk_hlist_expose (GtkWidget *widget,
4833 GdkEventExpose *event)
4834 {
4835 GtkHList *hlist;
4836
4837 g_return_val_if_fail (widget != NULL, FALSE);
4838 g_return_val_if_fail (GTK_IS_HLIST (widget), FALSE);
4839 g_return_val_if_fail (event != NULL, FALSE);
4840
4841 if (GTK_WIDGET_DRAWABLE (widget))
4842 {
4843 hlist = GTK_HLIST (widget);
4844
4845 /* draw border */
4846 if (event->window == widget->window)
4847 gtk_draw_shadow (widget->style, widget->window,
4848 GTK_STATE_NORMAL, hlist->shadow_type,
4849 0, 0,
4850 hlist->hlist_window_width +
4851 (2 * widget->style->klass->xthickness),
4852 hlist->hlist_window_height +
4853 (2 * widget->style->klass->ythickness) +
4854 hlist->column_title_area.height);
4855
4856 /* exposure events on the list */
4857 if (event->window == hlist->hlist_window)
4858 draw_rows (hlist, &event->area);
4859 }
4860
4861 return FALSE;
4862 }
4863
4864 static void
gtk_hlist_style_set(GtkWidget * widget,GtkStyle * previous_style)4865 gtk_hlist_style_set (GtkWidget *widget,
4866 GtkStyle *previous_style)
4867 {
4868 GtkHList *hlist;
4869
4870 g_return_if_fail (widget != NULL);
4871 g_return_if_fail (GTK_IS_HLIST (widget));
4872
4873 if (GTK_WIDGET_CLASS (parent_class)->style_set)
4874 (*GTK_WIDGET_CLASS (parent_class)->style_set) (widget, previous_style);
4875
4876 hlist = GTK_HLIST (widget);
4877
4878 if (GTK_WIDGET_REALIZED (widget))
4879 {
4880 gtk_style_set_background (widget->style, widget->window, widget->state);
4881 gtk_style_set_background (widget->style, hlist->title_window, GTK_STATE_SELECTED);
4882 gdk_window_set_background (hlist->hlist_window, &widget->style->base[GTK_STATE_NORMAL]);
4883 }
4884
4885 /* Fill in data after widget has correct style */
4886
4887 /* text properties */
4888 if (!GTK_HLIST_ROW_HEIGHT_SET(hlist))
4889 {
4890 hlist->row_height = (widget->style->font->ascent +
4891 widget->style->font->descent + 1);
4892 hlist->row_center_offset = widget->style->font->ascent + 1.5;
4893 }
4894 else
4895 hlist->row_center_offset = 1.5 + (hlist->row_height +
4896 widget->style->font->ascent -
4897 widget->style->font->descent - 1) / 2;
4898
4899 /* Column widths */
4900 if (!GTK_HLIST_AUTO_RESIZE_BLOCKED(hlist))
4901 {
4902 gint width;
4903 gint i;
4904
4905 for (i = 0; i < hlist->columns; i++)
4906 if (hlist->column[i].auto_resize)
4907 {
4908 width = gtk_hlist_optimal_column_width (hlist, i);
4909 if (width != hlist->column[i].width)
4910 gtk_hlist_set_column_width (hlist, i, width);
4911 }
4912 }
4913 }
4914
4915 static gint
gtk_hlist_key_press(GtkWidget * widget,GdkEventKey * event)4916 gtk_hlist_key_press (GtkWidget *widget,
4917 GdkEventKey *event)
4918 {
4919 g_return_val_if_fail (widget != NULL, FALSE);
4920 g_return_val_if_fail (GTK_IS_HLIST (widget), FALSE);
4921 g_return_val_if_fail (event != NULL, FALSE);
4922
4923 if (GTK_WIDGET_CLASS (parent_class)->key_press_event &&
4924 GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event))
4925 return TRUE;
4926
4927 switch (event->keyval)
4928 {
4929 case GDK_Tab:
4930 case GDK_ISO_Left_Tab:
4931 if (event->state & GDK_SHIFT_MASK)
4932 return gtk_container_focus (GTK_CONTAINER (widget),
4933 GTK_DIR_TAB_BACKWARD);
4934 else
4935 return gtk_container_focus (GTK_CONTAINER (widget),
4936 GTK_DIR_TAB_FORWARD);
4937 default:
4938 break;
4939 }
4940 return FALSE;
4941 }
4942
4943 static gint
gtk_hlist_button_press(GtkWidget * widget,GdkEventButton * event)4944 gtk_hlist_button_press (GtkWidget *widget,
4945 GdkEventButton *event)
4946 {
4947 gint i;
4948 GtkHList *hlist;
4949 gint x;
4950 gint y;
4951 gint row;
4952 gint column;
4953 gint button_actions;
4954
4955 g_return_val_if_fail (widget != NULL, FALSE);
4956 g_return_val_if_fail (GTK_IS_HLIST (widget), FALSE);
4957 g_return_val_if_fail (event != NULL, FALSE);
4958
4959 hlist = GTK_HLIST (widget);
4960
4961 button_actions = hlist->button_actions[event->button - 1];
4962
4963 if (button_actions == GTK_BUTTON_IGNORED)
4964 return FALSE;
4965
4966 /* selections on the list */
4967 if (event->window == hlist->hlist_window)
4968 {
4969 x = event->x;
4970 y = event->y;
4971
4972 if (get_selection_info (hlist, x, y, &row, &column))
4973 {
4974 gint old_row = hlist->focus_row;
4975
4976 if (hlist->focus_row == -1)
4977 old_row = row;
4978
4979 if (event->type == GDK_BUTTON_PRESS)
4980 {
4981 GdkEventMask mask = ((1 << (4 + event->button)) |
4982 GDK_POINTER_MOTION_HINT_MASK |
4983 GDK_BUTTON_RELEASE_MASK);
4984
4985 if (gdk_pointer_grab (hlist->hlist_window, FALSE, mask,
4986 NULL, NULL, event->time))
4987 return FALSE;
4988 gtk_grab_add (widget);
4989
4990 hlist->click_cell.row = row;
4991 hlist->click_cell.column = column;
4992 hlist->drag_button = event->button;
4993 }
4994 else
4995 {
4996 hlist->click_cell.row = -1;
4997 hlist->click_cell.column = -1;
4998
4999 hlist->drag_button = 0;
5000 remove_grab (hlist);
5001 }
5002
5003 if (button_actions & GTK_BUTTON_SELECTS)
5004 {
5005 if (GTK_HLIST_ADD_MODE(hlist))
5006 {
5007 GTK_HLIST_UNSET_FLAG (hlist, HLIST_ADD_MODE);
5008 if (GTK_WIDGET_HAS_FOCUS(widget))
5009 {
5010 gtk_hlist_draw_focus (widget);
5011 gdk_gc_set_line_attributes (hlist->xor_gc, 1,
5012 GDK_LINE_SOLID, 0, 0);
5013 hlist->focus_row = row;
5014 gtk_hlist_draw_focus (widget);
5015 }
5016 else
5017 {
5018 gdk_gc_set_line_attributes (hlist->xor_gc, 1,
5019 GDK_LINE_SOLID, 0, 0);
5020 hlist->focus_row = row;
5021 }
5022 }
5023 else if (row != hlist->focus_row)
5024 {
5025 if (GTK_WIDGET_HAS_FOCUS(widget))
5026 {
5027 gtk_hlist_draw_focus (widget);
5028 hlist->focus_row = row;
5029 gtk_hlist_draw_focus (widget);
5030 }
5031 else
5032 hlist->focus_row = row;
5033 }
5034 }
5035
5036 if (!GTK_WIDGET_HAS_FOCUS(widget))
5037 gtk_widget_grab_focus (widget);
5038
5039 if (button_actions & GTK_BUTTON_SELECTS)
5040 {
5041 switch (hlist->selection_mode)
5042 {
5043 case GTK_SELECTION_SINGLE:
5044 case GTK_SELECTION_MULTIPLE:
5045 if (event->type != GDK_BUTTON_PRESS)
5046 {
5047 gtk_signal_emit (GTK_OBJECT (hlist),
5048 hlist_signals[SELECT_ROW],
5049 row, column, event);
5050 hlist->anchor = -1;
5051 }
5052 else
5053 hlist->anchor = row;
5054 break;
5055 case GTK_SELECTION_BROWSE:
5056 gtk_signal_emit (GTK_OBJECT (hlist),
5057 hlist_signals[SELECT_ROW],
5058 row, column, event);
5059 break;
5060 case GTK_SELECTION_EXTENDED:
5061 if (event->type != GDK_BUTTON_PRESS)
5062 {
5063 if (hlist->anchor != -1)
5064 {
5065 update_extended_selection (hlist, hlist->focus_row);
5066 GTK_HLIST_CLASS_FW (hlist)->resync_selection
5067 (hlist, (GdkEvent *) event);
5068 }
5069 gtk_signal_emit (GTK_OBJECT (hlist),
5070 hlist_signals[SELECT_ROW],
5071 row, column, event);
5072 break;
5073 }
5074
5075 if (event->state & GDK_CONTROL_MASK)
5076 {
5077 if (event->state & GDK_SHIFT_MASK)
5078 {
5079 if (hlist->anchor < 0)
5080 {
5081 g_list_free (hlist->undo_selection);
5082 g_list_free (hlist->undo_unselection);
5083 hlist->undo_selection = NULL;
5084 hlist->undo_unselection = NULL;
5085 hlist->anchor = old_row;
5086 hlist->drag_pos = old_row;
5087 hlist->undo_anchor = old_row;
5088 }
5089 update_extended_selection (hlist, hlist->focus_row);
5090 }
5091 else
5092 {
5093 if (hlist->anchor == -1)
5094 set_anchor (hlist, TRUE, row, old_row);
5095 else
5096 update_extended_selection (hlist,
5097 hlist->focus_row);
5098 }
5099 break;
5100 }
5101
5102 if (event->state & GDK_SHIFT_MASK)
5103 {
5104 set_anchor (hlist, FALSE, old_row, old_row);
5105 update_extended_selection (hlist, hlist->focus_row);
5106 break;
5107 }
5108
5109 if (hlist->anchor == -1)
5110 set_anchor (hlist, FALSE, row, old_row);
5111 else
5112 update_extended_selection (hlist, hlist->focus_row);
5113 break;
5114 default:
5115 break;
5116 }
5117 }
5118 }
5119 return FALSE;
5120 }
5121
5122 /* press on resize windows */
5123 for (i = 0; i < hlist->columns; i++)
5124 if (hlist->column[i].resizeable && hlist->column[i].window &&
5125 event->window == hlist->column[i].window)
5126 {
5127 gpointer drag_data;
5128
5129 if (gdk_pointer_grab (hlist->column[i].window, FALSE,
5130 GDK_POINTER_MOTION_HINT_MASK |
5131 GDK_BUTTON1_MOTION_MASK |
5132 GDK_BUTTON_RELEASE_MASK,
5133 NULL, NULL, event->time))
5134 return FALSE;
5135
5136 gtk_grab_add (widget);
5137 GTK_HLIST_SET_FLAG (hlist, HLIST_IN_DRAG);
5138
5139 /* block attached dnd signal handler */
5140 drag_data = gtk_object_get_data (GTK_OBJECT (hlist), "gtk-site-data");
5141 if (drag_data)
5142 gtk_signal_handler_block_by_data (GTK_OBJECT (hlist), drag_data);
5143
5144 if (!GTK_WIDGET_HAS_FOCUS(widget))
5145 gtk_widget_grab_focus (widget);
5146
5147 hlist->drag_pos = i;
5148 hlist->x_drag = (COLUMN_LEFT_XPIXEL(hlist, i) + COLUMN_INSET +
5149 hlist->column[i].area.width + HELL_SPACING);
5150
5151 if (GTK_HLIST_ADD_MODE(hlist))
5152 gdk_gc_set_line_attributes (hlist->xor_gc, 1, GDK_LINE_SOLID, 0, 0);
5153 draw_xor_line (hlist);
5154 }
5155 return FALSE;
5156 }
5157
5158 static gint
gtk_hlist_button_release(GtkWidget * widget,GdkEventButton * event)5159 gtk_hlist_button_release (GtkWidget *widget,
5160 GdkEventButton *event)
5161 {
5162 GtkHList *hlist;
5163 gint button_actions;
5164
5165 g_return_val_if_fail (widget != NULL, FALSE);
5166 g_return_val_if_fail (GTK_IS_HLIST (widget), FALSE);
5167 g_return_val_if_fail (event != NULL, FALSE);
5168
5169 hlist = GTK_HLIST (widget);
5170
5171 button_actions = hlist->button_actions[event->button - 1];
5172 if (button_actions == GTK_BUTTON_IGNORED)
5173 return FALSE;
5174
5175 /* release on resize windows */
5176 if (GTK_HLIST_IN_DRAG(hlist))
5177 {
5178 gpointer drag_data;
5179 gint width;
5180 gint x;
5181 gint i;
5182
5183 i = hlist->drag_pos;
5184 hlist->drag_pos = -1;
5185
5186 /* unblock attached dnd signal handler */
5187 drag_data = gtk_object_get_data (GTK_OBJECT (hlist), "gtk-site-data");
5188 if (drag_data)
5189 gtk_signal_handler_unblock_by_data (GTK_OBJECT (hlist), drag_data);
5190
5191 GTK_HLIST_UNSET_FLAG (hlist, HLIST_IN_DRAG);
5192 gtk_widget_get_pointer (widget, &x, NULL);
5193 gtk_grab_remove (widget);
5194 gdk_pointer_ungrab (event->time);
5195
5196 if (hlist->x_drag >= 0)
5197 draw_xor_line (hlist);
5198
5199 if (GTK_HLIST_ADD_MODE(hlist))
5200 {
5201 gdk_gc_set_line_attributes (hlist->xor_gc, 1,
5202 GDK_LINE_ON_OFF_DASH, 0, 0);
5203 gdk_gc_set_dashes (hlist->xor_gc, 0, "\4\4", 2);
5204 }
5205
5206 width = new_column_width (hlist, i, &x);
5207 gtk_hlist_set_column_width (hlist, i, width);
5208 return FALSE;
5209 }
5210
5211 if (hlist->drag_button == event->button)
5212 {
5213 gint row;
5214 gint column;
5215
5216 hlist->drag_button = 0;
5217 hlist->click_cell.row = -1;
5218 hlist->click_cell.column = -1;
5219
5220 remove_grab (hlist);
5221
5222 if (button_actions & GTK_BUTTON_SELECTS)
5223 {
5224 switch (hlist->selection_mode)
5225 {
5226 case GTK_SELECTION_EXTENDED:
5227 if (!(event->state & GDK_SHIFT_MASK) ||
5228 !GTK_WIDGET_CAN_FOCUS (widget) ||
5229 event->x < 0 || event->x >= hlist->hlist_window_width ||
5230 event->y < 0 || event->y >= hlist->hlist_window_height)
5231 GTK_HLIST_CLASS_FW (hlist)->resync_selection
5232 (hlist, (GdkEvent *) event);
5233 break;
5234 case GTK_SELECTION_SINGLE:
5235 case GTK_SELECTION_MULTIPLE:
5236 if (get_selection_info (hlist, event->x, event->y,
5237 &row, &column))
5238 {
5239 if (row >= 0 && row < hlist->rows && hlist->anchor == row)
5240 toggle_row (hlist, row, column, (GdkEvent *) event);
5241 }
5242 hlist->anchor = -1;
5243 break;
5244 default:
5245 break;
5246 }
5247 }
5248 }
5249 return FALSE;
5250 }
5251
5252 static gint
gtk_hlist_motion(GtkWidget * widget,GdkEventMotion * event)5253 gtk_hlist_motion (GtkWidget *widget,
5254 GdkEventMotion *event)
5255 {
5256 GtkHList *hlist;
5257 gint x;
5258 gint y;
5259 gint row;
5260 gint new_width;
5261 gint button_actions = 0;
5262
5263 g_return_val_if_fail (widget != NULL, FALSE);
5264 g_return_val_if_fail (GTK_IS_HLIST (widget), FALSE);
5265
5266 hlist = GTK_HLIST (widget);
5267 if (!(gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (hlist)))
5268 return FALSE;
5269
5270 if (hlist->drag_button > 0)
5271 button_actions = hlist->button_actions[hlist->drag_button - 1];
5272
5273 if (GTK_HLIST_IN_DRAG(hlist))
5274 {
5275 if (event->is_hint || event->window != widget->window)
5276 gtk_widget_get_pointer (widget, &x, NULL);
5277 else
5278 x = event->x;
5279
5280 new_width = new_column_width (hlist, hlist->drag_pos, &x);
5281 if (x != hlist->x_drag)
5282 {
5283 /* x_drag < 0 indicates that the xor line is already invisible */
5284 if (hlist->x_drag >= 0)
5285 draw_xor_line (hlist);
5286
5287 hlist->x_drag = x;
5288
5289 if (hlist->x_drag >= 0)
5290 draw_xor_line (hlist);
5291 }
5292
5293 if (new_width <= MAX (COLUMN_MIN_WIDTH + 1,
5294 hlist->column[hlist->drag_pos].min_width + 1))
5295 {
5296 if (COLUMN_LEFT_XPIXEL (hlist, hlist->drag_pos) < 0 && x < 0)
5297 gtk_hlist_moveto (hlist, -1, hlist->drag_pos, 0, 0);
5298 return FALSE;
5299 }
5300 if (hlist->column[hlist->drag_pos].max_width >= COLUMN_MIN_WIDTH &&
5301 new_width >= hlist->column[hlist->drag_pos].max_width)
5302 {
5303 if (COLUMN_LEFT_XPIXEL (hlist, hlist->drag_pos) + new_width >
5304 hlist->hlist_window_width && x < 0)
5305 move_horizontal (hlist,
5306 COLUMN_LEFT_XPIXEL (hlist, hlist->drag_pos) +
5307 new_width - hlist->hlist_window_width +
5308 COLUMN_INSET + HELL_SPACING);
5309 return FALSE;
5310 }
5311 }
5312
5313 if (event->is_hint || event->window != hlist->hlist_window)
5314 gdk_window_get_pointer (hlist->hlist_window, &x, &y, NULL);
5315
5316 if (GTK_HLIST_REORDERABLE(hlist) && button_actions & GTK_BUTTON_DRAGS)
5317 {
5318 /* delayed drag start */
5319 if (event->window == hlist->hlist_window &&
5320 hlist->click_cell.row >= 0 && hlist->click_cell.column >= 0 &&
5321 (y < 0 || y >= hlist->hlist_window_height ||
5322 x < 0 || x >= hlist->hlist_window_width ||
5323 y < ROW_TOP_YPIXEL (hlist, hlist->click_cell.row) ||
5324 y >= (ROW_TOP_YPIXEL (hlist, hlist->click_cell.row) +
5325 hlist->row_height) ||
5326 x < COLUMN_LEFT_XPIXEL (hlist, hlist->click_cell.column) ||
5327 x >= (COLUMN_LEFT_XPIXEL(hlist, hlist->click_cell.column) +
5328 hlist->column[hlist->click_cell.column].area.width)))
5329 {
5330 GtkTargetList *target_list;
5331
5332 target_list = gtk_target_list_new (&hlist_target_table, 1);
5333 gtk_drag_begin (widget, target_list, GDK_ACTION_MOVE,
5334 hlist->drag_button, (GdkEvent *)event);
5335
5336 }
5337 return TRUE;
5338 }
5339
5340 /* horizontal autoscrolling */
5341 if (hlist->hadjustment && LIST_WIDTH (hlist) > hlist->hlist_window_width &&
5342 (x < 0 || x >= hlist->hlist_window_width))
5343 {
5344 if (hlist->htimer)
5345 return FALSE;
5346
5347 hlist->htimer = gtk_timeout_add
5348 (SCROLL_TIME, (GtkFunction) horizontal_timeout, hlist);
5349
5350 if (!((x < 0 && hlist->hadjustment->value == 0) ||
5351 (x >= hlist->hlist_window_width &&
5352 hlist->hadjustment->value ==
5353 LIST_WIDTH (hlist) - hlist->hlist_window_width)))
5354 {
5355 if (x < 0)
5356 move_horizontal (hlist, -1 + (x/2));
5357 else
5358 move_horizontal (hlist, 1 + (x - hlist->hlist_window_width) / 2);
5359 }
5360 }
5361
5362 if (GTK_HLIST_IN_DRAG(hlist))
5363 return FALSE;
5364
5365 /* vertical autoscrolling */
5366 row = ROW_FROM_YPIXEL (hlist, y);
5367
5368 /* don't scroll on last pixel row if it's a cell spacing */
5369 if (y == hlist->hlist_window_height - 1 &&
5370 y == ROW_TOP_YPIXEL (hlist, row-1) + hlist->row_height)
5371 return FALSE;
5372
5373 if (LIST_HEIGHT (hlist) > hlist->hlist_window_height &&
5374 (y < 0 || y >= hlist->hlist_window_height))
5375 {
5376 if (hlist->vtimer)
5377 return FALSE;
5378
5379 hlist->vtimer = gtk_timeout_add (SCROLL_TIME,
5380 (GtkFunction) vertical_timeout, hlist);
5381
5382 if (hlist->drag_button &&
5383 ((y < 0 && hlist->focus_row == 0) ||
5384 (y >= hlist->hlist_window_height &&
5385 hlist->focus_row == hlist->rows - 1)))
5386 return FALSE;
5387 }
5388
5389 row = CLAMP (row, 0, hlist->rows - 1);
5390
5391 if (button_actions & GTK_BUTTON_SELECTS &
5392 !gtk_object_get_data (GTK_OBJECT (widget), "gtk-site-data"))
5393 {
5394 if (row == hlist->focus_row)
5395 return FALSE;
5396
5397 gtk_hlist_draw_focus (widget);
5398 hlist->focus_row = row;
5399 gtk_hlist_draw_focus (widget);
5400
5401 switch (hlist->selection_mode)
5402 {
5403 case GTK_SELECTION_BROWSE:
5404 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[SELECT_ROW],
5405 hlist->focus_row, -1, event);
5406 break;
5407 case GTK_SELECTION_EXTENDED:
5408 update_extended_selection (hlist, hlist->focus_row);
5409 break;
5410 default:
5411 break;
5412 }
5413 }
5414
5415 if (ROW_TOP_YPIXEL(hlist, row) < 0)
5416 move_vertical (hlist, row, 0);
5417 else if (ROW_TOP_YPIXEL(hlist, row) + hlist->row_height >
5418 hlist->hlist_window_height)
5419 move_vertical (hlist, row, 1);
5420
5421 return FALSE;
5422 }
5423
5424 static void
gtk_hlist_size_request(GtkWidget * widget,GtkRequisition * requisition)5425 gtk_hlist_size_request (GtkWidget *widget,
5426 GtkRequisition *requisition)
5427 {
5428 GtkHList *hlist;
5429 gint i;
5430
5431 g_return_if_fail (widget != NULL);
5432 g_return_if_fail (GTK_IS_HLIST (widget));
5433 g_return_if_fail (requisition != NULL);
5434
5435 hlist = GTK_HLIST (widget);
5436
5437 requisition->width = 0;
5438 requisition->height = 0;
5439
5440 /* compute the size of the column title (title) area */
5441 hlist->column_title_area.height = 0;
5442 if (GTK_HLIST_SHOW_TITLES(hlist))
5443 for (i = 0; i < hlist->columns; i++)
5444 if (hlist->column[i].button)
5445 {
5446 GtkRequisition child_requisition;
5447
5448 gtk_widget_size_request (hlist->column[i].button,
5449 &child_requisition);
5450 hlist->column_title_area.height =
5451 MAX (hlist->column_title_area.height,
5452 child_requisition.height);
5453 }
5454
5455 requisition->width += (widget->style->klass->xthickness +
5456 GTK_CONTAINER (widget)->border_width) * 2;
5457 requisition->height += (hlist->column_title_area.height +
5458 (widget->style->klass->ythickness +
5459 GTK_CONTAINER (widget)->border_width) * 2);
5460
5461 /* if (!hlist->hadjustment) */
5462 requisition->width += list_requisition_width (hlist);
5463 /* if (!hlist->vadjustment) */
5464 requisition->height += LIST_HEIGHT (hlist);
5465 }
5466
5467 static void
gtk_hlist_size_allocate(GtkWidget * widget,GtkAllocation * allocation)5468 gtk_hlist_size_allocate (GtkWidget *widget,
5469 GtkAllocation *allocation)
5470 {
5471 GtkHList *hlist;
5472 GtkAllocation hlist_allocation;
5473 gint border_width;
5474
5475 g_return_if_fail (widget != NULL);
5476 g_return_if_fail (GTK_IS_HLIST (widget));
5477 g_return_if_fail (allocation != NULL);
5478
5479 hlist = GTK_HLIST (widget);
5480 widget->allocation = *allocation;
5481 border_width = GTK_CONTAINER (widget)->border_width;
5482
5483 if (GTK_WIDGET_REALIZED (widget))
5484 {
5485 gdk_window_move_resize (widget->window,
5486 allocation->x + border_width,
5487 allocation->y + border_width,
5488 allocation->width - border_width * 2,
5489 allocation->height - border_width * 2);
5490 }
5491
5492 /* use internal allocation structure for all the math
5493 * because it's easier than always subtracting the container
5494 * border width */
5495 hlist->internal_allocation.x = 0;
5496 hlist->internal_allocation.y = 0;
5497 hlist->internal_allocation.width = MAX (1, (gint)allocation->width -
5498 border_width * 2);
5499 hlist->internal_allocation.height = MAX (1, (gint)allocation->height -
5500 border_width * 2);
5501
5502 /* allocate hlist window assuming no scrollbars */
5503 hlist_allocation.x = (hlist->internal_allocation.x +
5504 widget->style->klass->xthickness);
5505 hlist_allocation.y = (hlist->internal_allocation.y +
5506 widget->style->klass->ythickness +
5507 hlist->column_title_area.height);
5508 hlist_allocation.width = MAX (1, (gint)hlist->internal_allocation.width -
5509 (2 * (gint)widget->style->klass->xthickness));
5510 hlist_allocation.height = MAX (1, (gint)hlist->internal_allocation.height -
5511 (2 * (gint)widget->style->klass->ythickness) -
5512 (gint)hlist->column_title_area.height);
5513
5514 hlist->hlist_window_width = hlist_allocation.width;
5515 hlist->hlist_window_height = hlist_allocation.height;
5516
5517 if (GTK_WIDGET_REALIZED (widget))
5518 {
5519 gdk_window_move_resize (hlist->hlist_window,
5520 hlist_allocation.x,
5521 hlist_allocation.y,
5522 hlist_allocation.width,
5523 hlist_allocation.height);
5524 }
5525
5526 /* position the window which holds the column title buttons */
5527 hlist->column_title_area.x = widget->style->klass->xthickness;
5528 hlist->column_title_area.y = widget->style->klass->ythickness;
5529 hlist->column_title_area.width = hlist_allocation.width;
5530
5531 if (GTK_WIDGET_REALIZED (widget))
5532 {
5533 gdk_window_move_resize (hlist->title_window,
5534 hlist->column_title_area.x,
5535 hlist->column_title_area.y,
5536 hlist->column_title_area.width,
5537 hlist->column_title_area.height);
5538 }
5539
5540 /* column button allocation */
5541 size_allocate_columns (hlist, FALSE);
5542 size_allocate_title_buttons (hlist);
5543
5544 adjust_adjustments (hlist, TRUE);
5545 }
5546
5547 /* GTKCONTAINER
5548 * gtk_hlist_forall
5549 */
5550 static void
gtk_hlist_forall(GtkContainer * container,gboolean include_internals,GtkCallback callback,gpointer callback_data)5551 gtk_hlist_forall (GtkContainer *container,
5552 gboolean include_internals,
5553 GtkCallback callback,
5554 gpointer callback_data)
5555 {
5556 GtkHList *hlist;
5557 gint i;
5558
5559 g_return_if_fail (container != NULL);
5560 g_return_if_fail (GTK_IS_HLIST (container));
5561 g_return_if_fail (callback != NULL);
5562
5563 if (!include_internals)
5564 return;
5565
5566 hlist = GTK_HLIST (container);
5567
5568 /* callback for the column buttons */
5569 for (i = 0; i < hlist->columns; i++)
5570 if (hlist->column[i].button)
5571 (*callback) (hlist->column[i].button, callback_data);
5572 }
5573
5574 /* PRIVATE DRAWING FUNCTIONS
5575 * get_cell_style
5576 * draw_cell_pixmap
5577 * draw_row
5578 * draw_rows
5579 * draw_xor_line
5580 * hlist_refresh
5581 */
5582 static void
get_cell_style(GtkHList * hlist,GtkHListRow * hlist_row,gint state,gint column,GtkStyle ** style,GdkGC ** fg_gc,GdkGC ** bg_gc)5583 get_cell_style (GtkHList *hlist,
5584 GtkHListRow *hlist_row,
5585 gint state,
5586 gint column,
5587 GtkStyle **style,
5588 GdkGC **fg_gc,
5589 GdkGC **bg_gc)
5590 {
5591 gint fg_state;
5592
5593 if ((state == GTK_STATE_NORMAL) &&
5594 (GTK_WIDGET (hlist)->state == GTK_STATE_INSENSITIVE))
5595 fg_state = GTK_STATE_INSENSITIVE;
5596 else
5597 fg_state = state;
5598
5599 if (hlist_row->cell[column].style)
5600 {
5601 if (style)
5602 *style = hlist_row->cell[column].style;
5603 if (fg_gc)
5604 *fg_gc = hlist_row->cell[column].style->fg_gc[fg_state];
5605 if (bg_gc) {
5606 if (state == GTK_STATE_SELECTED)
5607 *bg_gc = hlist_row->cell[column].style->bg_gc[state];
5608 else
5609 *bg_gc = hlist_row->cell[column].style->base_gc[state];
5610 }
5611 }
5612 else if (hlist_row->style)
5613 {
5614 if (style)
5615 *style = hlist_row->style;
5616 if (fg_gc)
5617 *fg_gc = hlist_row->style->fg_gc[fg_state];
5618 if (bg_gc) {
5619 if (state == GTK_STATE_SELECTED)
5620 *bg_gc = hlist_row->style->bg_gc[state];
5621 else
5622 *bg_gc = hlist_row->style->base_gc[state];
5623 }
5624 }
5625 else
5626 {
5627 if (style)
5628 *style = GTK_WIDGET (hlist)->style;
5629 if (fg_gc)
5630 *fg_gc = GTK_WIDGET (hlist)->style->fg_gc[fg_state];
5631 if (bg_gc) {
5632 if (state == GTK_STATE_SELECTED)
5633 *bg_gc = GTK_WIDGET (hlist)->style->bg_gc[state];
5634 else
5635 *bg_gc = my_bg_gc;
5636 }
5637
5638 if (fg_gc && hlist_row->fg_set)
5639 *fg_gc = hlist->fg_gc;
5640 if (state != GTK_STATE_SELECTED) {
5641 if (bg_gc && hlist_row->bg_set)
5642 *bg_gc = hlist->bg_gc;
5643 }
5644 }
5645 }
5646
5647 static gint
draw_cell_pixmap(GdkWindow * window,GdkRectangle * clip_rectangle,GdkGC * fg_gc,GdkGC * fill_gc,GdkPixmap * pixmap,GdkBitmap * mask,gint x,gint y,gint width,gint height)5648 draw_cell_pixmap (GdkWindow *window,
5649 GdkRectangle *clip_rectangle,
5650 GdkGC *fg_gc,
5651 GdkGC *fill_gc,
5652 GdkPixmap *pixmap,
5653 GdkBitmap *mask,
5654 gint x,
5655 gint y,
5656 gint width,
5657 gint height)
5658 {
5659 gint xsrc = 0;
5660 gint ysrc = 0;
5661
5662 if (mask)
5663 {
5664 gdk_gc_set_clip_mask (fg_gc, mask);
5665 gdk_gc_set_clip_origin (fg_gc, x, y);
5666 if (fill_gc) {
5667 gdk_gc_set_clip_mask (fill_gc, mask);
5668 gdk_gc_set_clip_origin (fill_gc, x, y);
5669 }
5670 }
5671
5672 if (x < clip_rectangle->x)
5673 {
5674 xsrc = clip_rectangle->x - x;
5675 width -= xsrc;
5676 x = clip_rectangle->x;
5677 }
5678 if (x + width > clip_rectangle->x + clip_rectangle->width)
5679 width = clip_rectangle->x + clip_rectangle->width - x;
5680
5681 if (y < clip_rectangle->y)
5682 {
5683 ysrc = clip_rectangle->y - y;
5684 height -= ysrc;
5685 y = clip_rectangle->y;
5686 }
5687 if (y + height > clip_rectangle->y + clip_rectangle->height)
5688 height = clip_rectangle->y + clip_rectangle->height - y;
5689 gdk_draw_pixmap (window, fg_gc, pixmap, xsrc, ysrc, x, y, width, height);
5690 if (fill_gc)
5691 gdk_draw_rectangle (window, fill_gc, TRUE, x, y, width, height);
5692 gdk_gc_set_clip_origin (fg_gc, 0, 0);
5693 if (mask)
5694 gdk_gc_set_clip_mask (fg_gc, NULL);
5695 if (fill_gc) {
5696 gdk_gc_set_clip_origin (fill_gc, 0, 0);
5697 if (mask)
5698 gdk_gc_set_clip_mask (fill_gc, NULL);
5699 }
5700
5701 return x + MAX (width, 0);
5702 }
5703
5704 void
gtk_hlist_set_stipple(GtkHList * hlist)5705 gtk_hlist_set_stipple (GtkHList *hlist)
5706 {
5707 GtkWidget *widget;
5708 GdkBitmap *stipple;
5709 GdkVisual *visual;
5710 GdkImage *bimage;
5711 GdkGC *fill_gc;
5712 char data[16*16>>3];
5713 char *p;
5714
5715 widget = GTK_WIDGET(hlist);
5716 for (p = data; p < data+32; ) {
5717 *p++ = 170; *p++ = 170;
5718 *p++ = 85; *p++ = 85;
5719 }
5720 visual = gtk_widget_get_visual(widget);
5721 bimage = gdk_image_new_bitmap(visual, data, 16, 16);
5722 stipple = gdk_pixmap_new(hlist->hlist_window, 16, 16, 1);
5723 fill_gc = gdk_gc_new(stipple);
5724 gdk_draw_image(stipple, fill_gc, bimage, 0, 0, 0, 0, 16, 16);
5725 gdk_gc_unref(fill_gc);
5726 gdk_bitmap_ref(stipple);
5727 fill_gc = gdk_gc_new(hlist->hlist_window);
5728 gdk_gc_copy(fill_gc, widget->style->bg_gc[GTK_STATE_SELECTED]);
5729 if (stipple) {
5730 gdk_gc_set_stipple(fill_gc, stipple);
5731 gdk_gc_set_fill(fill_gc, GDK_STIPPLED);
5732 gdk_gc_set_ts_origin(fill_gc, 0, 0);
5733 }
5734 hlist->stipple_bitmap = stipple;
5735 hlist->stipple_gc = fill_gc;
5736 }
5737
5738 static void
draw_row(GtkHList * hlist,GdkRectangle * area,gint row,GtkHListRow * hlist_row)5739 draw_row (GtkHList *hlist,
5740 GdkRectangle *area,
5741 gint row,
5742 GtkHListRow *hlist_row)
5743 {
5744 GtkWidget *widget;
5745 GdkRectangle *rect;
5746 GdkRectangle row_rectangle;
5747 GdkRectangle cell_rectangle;
5748 GdkRectangle clip_rectangle;
5749 GdkRectangle intersect_rectangle;
5750 gint last_column;
5751 gint state;
5752 gint i;
5753 GdkGC *fill_gc;
5754
5755 g_return_if_fail (hlist != NULL);
5756
5757 /* bail now if we arn't drawable yet */
5758 if (!GTK_WIDGET_DRAWABLE (hlist) || row < 0 || row >= hlist->rows)
5759 return;
5760
5761 widget = GTK_WIDGET (hlist);
5762
5763 if (!hlist->stipple_gc && hlist->want_stipple)
5764 gtk_hlist_set_stipple(hlist);
5765
5766 /* if the function is passed the pointer to the row instead of null,
5767 * it avoids this expensive lookup */
5768 if (!hlist_row)
5769 hlist_row = (g_list_nth (hlist->row_list, row))->data;
5770
5771 /* rectangle of the entire row */
5772 row_rectangle.x = 0;
5773 row_rectangle.y = ROW_TOP_YPIXEL (hlist, row);
5774 row_rectangle.width = hlist->hlist_window_width;
5775 row_rectangle.height = hlist->row_height;
5776
5777 /* rectangle of the cell spacing above the row */
5778 cell_rectangle.x = 0;
5779 cell_rectangle.y = row_rectangle.y - HELL_SPACING;
5780 cell_rectangle.width = row_rectangle.width;
5781 cell_rectangle.height = HELL_SPACING;
5782
5783 /* rectangle used to clip drawing operations, it's y and height
5784 * positions only need to be set once, so we set them once here.
5785 * the x and width are set withing the drawing loop below once per
5786 * column */
5787 clip_rectangle.y = row_rectangle.y;
5788 clip_rectangle.height = row_rectangle.height;
5789
5790 if (hlist_row->fg_set)
5791 gdk_gc_set_foreground (hlist->fg_gc, &hlist_row->foreground);
5792 if (hlist_row->state == GTK_STATE_NORMAL)
5793 {
5794 if (hlist_row->bg_set)
5795 gdk_gc_set_foreground (hlist->bg_gc, &hlist_row->background);
5796 }
5797
5798 state = hlist_row->state;
5799
5800 /* draw the cell borders and background */
5801 if (area)
5802 {
5803 rect = &intersect_rectangle;
5804 if (gdk_rectangle_intersect (area, &cell_rectangle,
5805 &intersect_rectangle))
5806 gdk_draw_rectangle (hlist->hlist_window,
5807 widget->style->base_gc[GTK_STATE_ACTIVE],
5808 TRUE,
5809 intersect_rectangle.x,
5810 intersect_rectangle.y,
5811 intersect_rectangle.width,
5812 intersect_rectangle.height);
5813
5814 /* the last row has to clear it's bottom cell spacing too */
5815 if (hlist_row == hlist->row_list_end->data)
5816 {
5817 cell_rectangle.y += hlist->row_height + HELL_SPACING;
5818
5819 if (gdk_rectangle_intersect (area, &cell_rectangle,
5820 &intersect_rectangle))
5821 gdk_draw_rectangle (hlist->hlist_window,
5822 widget->style->base_gc[GTK_STATE_ACTIVE],
5823 TRUE,
5824 intersect_rectangle.x,
5825 intersect_rectangle.y,
5826 intersect_rectangle.width,
5827 intersect_rectangle.height);
5828 }
5829
5830 if (!gdk_rectangle_intersect (area, &row_rectangle,&intersect_rectangle))
5831 return;
5832
5833 }
5834 else
5835 {
5836 rect = &clip_rectangle;
5837 gdk_draw_rectangle (hlist->hlist_window,
5838 widget->style->base_gc[GTK_STATE_ACTIVE],
5839 TRUE,
5840 cell_rectangle.x,
5841 cell_rectangle.y,
5842 cell_rectangle.width,
5843 cell_rectangle.height);
5844
5845 /* the last row has to clear it's bottom cell spacing too */
5846 if (hlist_row == hlist->row_list_end->data)
5847 {
5848 cell_rectangle.y += hlist->row_height + HELL_SPACING;
5849
5850 gdk_draw_rectangle (hlist->hlist_window,
5851 widget->style->base_gc[GTK_STATE_ACTIVE],
5852 TRUE,
5853 cell_rectangle.x,
5854 cell_rectangle.y,
5855 cell_rectangle.width,
5856 cell_rectangle.height);
5857 }
5858 }
5859
5860 for (last_column = hlist->columns - 1;
5861 last_column >= 0 && !hlist->column[last_column].visible; last_column--)
5862 ;
5863
5864 /* iterate and draw all the columns (row cells) and draw their contents */
5865 for (i = 0; i < hlist->columns; i++)
5866 {
5867 GtkStyle *style;
5868 GdkGC *fg_gc;
5869 GdkGC *bg_gc;
5870
5871 gint width;
5872 gint height;
5873 gint pixmap_width;
5874 gint offset = 0;
5875 gint row_center_offset;
5876
5877 if (!hlist->column[i].visible)
5878 continue;
5879
5880 get_cell_style (hlist, hlist_row, state, i, &style, &fg_gc, &bg_gc);
5881
5882 clip_rectangle.x = hlist->column[i].area.x + hlist->hoffset;
5883 clip_rectangle.width = hlist->column[i].area.width;
5884
5885 /* calculate clipping region clipping region */
5886 clip_rectangle.x -= COLUMN_INSET + HELL_SPACING;
5887 clip_rectangle.width += (2 * COLUMN_INSET + HELL_SPACING +
5888 (i == last_column) * HELL_SPACING);
5889
5890 if (area && !gdk_rectangle_intersect (area, &clip_rectangle,
5891 &intersect_rectangle))
5892 continue;
5893
5894 gdk_window_clear_area (hlist->hlist_window, rect->x, rect->y, rect->width, rect->height);
5895
5896 if (hlist->stipple_gc && bg_gc == widget->style->bg_gc[GTK_STATE_SELECTED])
5897 gdk_draw_rectangle (hlist->hlist_window, hlist->stipple_gc, TRUE,
5898 rect->x, rect->y, rect->width, rect->height);
5899 else
5900 gdk_draw_rectangle (hlist->hlist_window, bg_gc, TRUE,
5901 rect->x, rect->y, rect->width, rect->height);
5902
5903 clip_rectangle.x += COLUMN_INSET + HELL_SPACING;
5904 clip_rectangle.width -= (2 * COLUMN_INSET + HELL_SPACING +
5905 (i == last_column) * HELL_SPACING);
5906
5907 /* calculate real width for column justification */
5908 pixmap_width = 0;
5909 offset = 0;
5910 switch (hlist_row->cell[i].type)
5911 {
5912 case GTK_HELL_TEXT:
5913 width = gdk_string_width (style->font,
5914 GTK_HELL_TEXT (hlist_row->cell[i])->text);
5915 break;
5916 case GTK_HELL_PIXMAP:
5917 gdk_window_get_size (GTK_HELL_PIXMAP (hlist_row->cell[i])->pixmap,
5918 &pixmap_width, &height);
5919 width = pixmap_width;
5920 break;
5921 case GTK_HELL_PIXTEXT:
5922 gdk_window_get_size (GTK_HELL_PIXTEXT (hlist_row->cell[i])->pixmap,
5923 &pixmap_width, &height);
5924 width = (pixmap_width +
5925 GTK_HELL_PIXTEXT (hlist_row->cell[i])->spacing +
5926 gdk_string_width (style->font,
5927 GTK_HELL_PIXTEXT
5928 (hlist_row->cell[i])->text));
5929 break;
5930 default:
5931 continue;
5932 break;
5933 }
5934
5935 switch (hlist->column[i].justification)
5936 {
5937 case GTK_JUSTIFY_LEFT:
5938 offset = clip_rectangle.x + hlist_row->cell[i].horizontal;
5939 break;
5940 case GTK_JUSTIFY_RIGHT:
5941 offset = (clip_rectangle.x + hlist_row->cell[i].horizontal +
5942 clip_rectangle.width - width);
5943 break;
5944 case GTK_JUSTIFY_CENTER:
5945 case GTK_JUSTIFY_FILL:
5946 offset = (clip_rectangle.x + hlist_row->cell[i].horizontal +
5947 (clip_rectangle.width / 2) - (width / 2));
5948 break;
5949 };
5950
5951 /* Draw Text and/or Pixmap */
5952 switch (hlist_row->cell[i].type)
5953 {
5954 case GTK_HELL_PIXMAP:
5955 if (hlist->stipple_gc && bg_gc == widget->style->bg_gc[GTK_STATE_SELECTED])
5956 fill_gc = hlist->stipple_gc;
5957 else
5958 fill_gc = 0;
5959 draw_cell_pixmap (hlist->hlist_window, &clip_rectangle, fg_gc, fill_gc,
5960 GTK_HELL_PIXMAP (hlist_row->cell[i])->pixmap,
5961 GTK_HELL_PIXMAP (hlist_row->cell[i])->mask,
5962 offset,
5963 clip_rectangle.y + hlist_row->cell[i].vertical +
5964 (clip_rectangle.height - height) / 2,
5965 pixmap_width, height);
5966 break;
5967 case GTK_HELL_PIXTEXT:
5968 if (hlist->stipple_gc && bg_gc == widget->style->bg_gc[GTK_STATE_SELECTED])
5969 fill_gc = hlist->stipple_gc;
5970 else
5971 fill_gc = 0;
5972 draw_cell_pixmap (hlist->hlist_window, &clip_rectangle, fg_gc, fill_gc,
5973 GTK_HELL_PIXTEXT (hlist_row->cell[i])->pixmap,
5974 GTK_HELL_PIXTEXT (hlist_row->cell[i])->mask,
5975 offset,
5976 clip_rectangle.y + hlist_row->cell[i].vertical+
5977 (clip_rectangle.height - height) / 2,
5978 pixmap_width, height);
5979 offset += GTK_HELL_PIXTEXT (hlist_row->cell[i])->spacing;
5980 case GTK_HELL_TEXT:
5981 if (style != GTK_WIDGET (hlist)->style)
5982 row_center_offset = (((hlist->row_height - style->font->ascent -
5983 style->font->descent - 1) / 2) + 1.5 +
5984 style->font->ascent);
5985 else
5986 row_center_offset = hlist->row_center_offset;
5987 gdk_gc_set_clip_rectangle (fg_gc, &clip_rectangle);
5988 gdk_draw_string (hlist->hlist_window, style->font, fg_gc,
5989 offset,
5990 row_rectangle.y + row_center_offset +
5991 hlist_row->cell[i].vertical,
5992 (hlist_row->cell[i].type == GTK_HELL_PIXTEXT) ?
5993 GTK_HELL_PIXTEXT (hlist_row->cell[i])->text :
5994 GTK_HELL_TEXT (hlist_row->cell[i])->text);
5995 gdk_gc_set_clip_rectangle (fg_gc, NULL);
5996 break;
5997 default:
5998 break;
5999 }
6000 }
6001
6002 /* draw focus rectangle */
6003 if (hlist->focus_row == row &&
6004 GTK_WIDGET_CAN_FOCUS (widget) && GTK_WIDGET_HAS_FOCUS(widget))
6005 {
6006 if (!area)
6007 gdk_draw_rectangle (hlist->hlist_window, hlist->xor_gc, FALSE,
6008 row_rectangle.x, row_rectangle.y,
6009 row_rectangle.width - 1, row_rectangle.height - 1);
6010 else if (gdk_rectangle_intersect (area, &row_rectangle,
6011 &intersect_rectangle))
6012 {
6013 gdk_gc_set_clip_rectangle (hlist->xor_gc, &intersect_rectangle);
6014 gdk_draw_rectangle (hlist->hlist_window, hlist->xor_gc, FALSE,
6015 row_rectangle.x, row_rectangle.y,
6016 row_rectangle.width - 1,
6017 row_rectangle.height - 1);
6018 gdk_gc_set_clip_rectangle (hlist->xor_gc, NULL);
6019 }
6020 }
6021 }
6022
6023 static void
draw_rows(GtkHList * hlist,GdkRectangle * area)6024 draw_rows (GtkHList *hlist,
6025 GdkRectangle *area)
6026 {
6027 GList *list;
6028 GtkHListRow *hlist_row;
6029 gint i;
6030 gint first_row;
6031 gint last_row;
6032
6033 g_return_if_fail (hlist != NULL);
6034 g_return_if_fail (GTK_IS_HLIST (hlist));
6035
6036 if (hlist->row_height == 0 ||
6037 !GTK_WIDGET_DRAWABLE (hlist))
6038 return;
6039
6040 if (area)
6041 {
6042 first_row = ROW_FROM_YPIXEL (hlist, area->y);
6043 last_row = ROW_FROM_YPIXEL (hlist, area->y + area->height);
6044 }
6045 else
6046 {
6047 first_row = ROW_FROM_YPIXEL (hlist, 0);
6048 last_row = ROW_FROM_YPIXEL (hlist, hlist->hlist_window_height);
6049 }
6050
6051 /* this is a small special case which exposes the bottom cell line
6052 * on the last row -- it might go away if I change the wall the cell
6053 * spacings are drawn
6054 */
6055 if (hlist->rows == first_row)
6056 first_row--;
6057
6058 list = g_list_nth (hlist->row_list, first_row);
6059 i = first_row;
6060 while (list)
6061 {
6062 hlist_row = list->data;
6063 list = list->next;
6064
6065 if (i > last_row)
6066 return;
6067 if (area || hlist_row->draw_me) {
6068 GTK_HLIST_CLASS_FW (hlist)->draw_row (hlist, area, i, hlist_row);
6069 hlist_row->draw_me = 0;
6070 }
6071 i++;
6072 }
6073 if (!area)
6074 gdk_window_clear_area (hlist->hlist_window, 0,
6075 ROW_TOP_YPIXEL (hlist, i), 0, 0);
6076 }
6077
6078 static void
draw_xor_line(GtkHList * hlist)6079 draw_xor_line (GtkHList *hlist)
6080 {
6081 GtkWidget *widget;
6082
6083 g_return_if_fail (hlist != NULL);
6084
6085 widget = GTK_WIDGET (hlist);
6086
6087 gdk_draw_line (widget->window, hlist->xor_gc,
6088 hlist->x_drag,
6089 widget->style->klass->ythickness,
6090 hlist->x_drag,
6091 hlist->column_title_area.height +
6092 hlist->hlist_window_height + 1);
6093 }
6094
6095 static void
hlist_refresh(GtkHList * hlist)6096 hlist_refresh (GtkHList *hlist)
6097 {
6098 g_return_if_fail (hlist != NULL);
6099 g_return_if_fail (GTK_IS_HLIST (hlist));
6100
6101 if (HLIST_UNFROZEN (hlist))
6102 {
6103 adjust_adjustments (hlist, FALSE);
6104 draw_rows (hlist, NULL);
6105 }
6106 }
6107
6108 /* get cell from coordinates
6109 * get_selection_info
6110 * gtk_hlist_get_selection_info
6111 */
6112 static gint
get_selection_info(GtkHList * hlist,gint x,gint y,gint * row,gint * column)6113 get_selection_info (GtkHList *hlist,
6114 gint x,
6115 gint y,
6116 gint *row,
6117 gint *column)
6118 {
6119 gint trow, tcol;
6120
6121 g_return_val_if_fail (hlist != NULL, 0);
6122 g_return_val_if_fail (GTK_IS_HLIST (hlist), 0);
6123
6124 /* bounds checking, return false if the user clicked
6125 * on a blank area */
6126 trow = ROW_FROM_YPIXEL (hlist, y);
6127 if (trow >= hlist->rows)
6128 return 0;
6129
6130 if (row)
6131 *row = trow;
6132
6133 tcol = COLUMN_FROM_XPIXEL (hlist, x);
6134 if (tcol >= hlist->columns)
6135 return 0;
6136
6137 if (column)
6138 *column = tcol;
6139
6140 return 1;
6141 }
6142
6143 gint
gtk_hlist_get_selection_info(GtkHList * hlist,gint x,gint y,gint * row,gint * column)6144 gtk_hlist_get_selection_info (GtkHList *hlist,
6145 gint x,
6146 gint y,
6147 gint *row,
6148 gint *column)
6149 {
6150 g_return_val_if_fail (hlist != NULL, 0);
6151 g_return_val_if_fail (GTK_IS_HLIST (hlist), 0);
6152 return get_selection_info (hlist, x, y, row, column);
6153 }
6154
6155 /* PRIVATE ADJUSTMENT FUNCTIONS
6156 * adjust_adjustments
6157 * vadjustment_changed
6158 * hadjustment_changed
6159 * vadjustment_value_changed
6160 * hadjustment_value_changed
6161 * check_exposures
6162 */
6163 static void
adjust_adjustments(GtkHList * hlist,gboolean block_resize)6164 adjust_adjustments (GtkHList *hlist,
6165 gboolean block_resize)
6166 {
6167 if (hlist->vadjustment)
6168 {
6169 hlist->vadjustment->page_size = hlist->hlist_window_height;
6170 hlist->vadjustment->page_increment = hlist->hlist_window_height / 2;
6171 hlist->vadjustment->step_increment = hlist->row_height;
6172 hlist->vadjustment->lower = 0;
6173 hlist->vadjustment->upper = LIST_HEIGHT (hlist);
6174
6175 if (hlist->hlist_window_height - hlist->voffset > LIST_HEIGHT (hlist) ||
6176 (hlist->voffset + (gint)hlist->vadjustment->value) != 0)
6177 {
6178 hlist->vadjustment->value = MAX (0, (LIST_HEIGHT (hlist) -
6179 hlist->hlist_window_height));
6180 gtk_signal_emit_by_name (GTK_OBJECT (hlist->vadjustment),
6181 "value_changed");
6182 }
6183 gtk_signal_emit_by_name (GTK_OBJECT (hlist->vadjustment), "changed");
6184 }
6185
6186 if (hlist->hadjustment)
6187 {
6188 hlist->hadjustment->page_size = hlist->hlist_window_width;
6189 hlist->hadjustment->page_increment = hlist->hlist_window_width / 2;
6190 hlist->hadjustment->step_increment = 10;
6191 hlist->hadjustment->lower = 0;
6192 hlist->hadjustment->upper = LIST_WIDTH (hlist);
6193
6194 if (hlist->hlist_window_width - hlist->hoffset > LIST_WIDTH (hlist) ||
6195 (hlist->hoffset + (gint)hlist->hadjustment->value) != 0)
6196 {
6197 hlist->hadjustment->value = MAX (0, (LIST_WIDTH (hlist) -
6198 hlist->hlist_window_width));
6199 gtk_signal_emit_by_name (GTK_OBJECT (hlist->hadjustment),
6200 "value_changed");
6201 }
6202 gtk_signal_emit_by_name (GTK_OBJECT (hlist->hadjustment), "changed");
6203 }
6204
6205 if (!block_resize && (!hlist->vadjustment || !hlist->hadjustment))
6206 {
6207 GtkWidget *widget;
6208 GtkRequisition requisition;
6209
6210 widget = GTK_WIDGET (hlist);
6211 gtk_widget_size_request (widget, &requisition);
6212
6213 if ((!hlist->hadjustment &&
6214 requisition.width != widget->allocation.width) ||
6215 (!hlist->vadjustment &&
6216 requisition.height != widget->allocation.height))
6217 gtk_widget_queue_resize (widget);
6218 }
6219 }
6220
6221 static void
vadjustment_changed(GtkAdjustment * adjustment,gpointer data)6222 vadjustment_changed (GtkAdjustment *adjustment,
6223 gpointer data)
6224 {
6225 GtkHList *hlist;
6226
6227 g_return_if_fail (adjustment != NULL);
6228 g_return_if_fail (data != NULL);
6229
6230 hlist = GTK_HLIST (data);
6231 }
6232
6233 static void
hadjustment_changed(GtkAdjustment * adjustment,gpointer data)6234 hadjustment_changed (GtkAdjustment *adjustment,
6235 gpointer data)
6236 {
6237 GtkHList *hlist;
6238
6239 g_return_if_fail (adjustment != NULL);
6240 g_return_if_fail (data != NULL);
6241
6242 hlist = GTK_HLIST (data);
6243 }
6244
6245 static void
vadjustment_value_changed(GtkAdjustment * adjustment,gpointer data)6246 vadjustment_value_changed (GtkAdjustment *adjustment,
6247 gpointer data)
6248 {
6249 GtkHList *hlist;
6250 GdkRectangle area;
6251 gint diff, value;
6252
6253 g_return_if_fail (adjustment != NULL);
6254 g_return_if_fail (data != NULL);
6255 g_return_if_fail (GTK_IS_HLIST (data));
6256
6257 hlist = GTK_HLIST (data);
6258
6259 if (!GTK_WIDGET_DRAWABLE (hlist) || adjustment != hlist->vadjustment)
6260 return;
6261 value = adjustment->value;
6262
6263 if (value > -hlist->voffset)
6264 {
6265 /* scroll down */
6266 diff = value + hlist->voffset;
6267 if (!diff)
6268 return;
6269
6270 /* we have to re-draw the whole screen here... */
6271 if (diff >= hlist->hlist_window_height)
6272 {
6273 hlist->voffset = -value;
6274 draw_rows (hlist, NULL);
6275 return;
6276 }
6277
6278 if ((diff != 0) && (diff != hlist->hlist_window_height))
6279 gdk_window_copy_area (hlist->hlist_window, hlist->fg_gc,
6280 0, 0, hlist->hlist_window, 0, diff,
6281 hlist->hlist_window_width,
6282 hlist->hlist_window_height - diff);
6283
6284 area.x = 0;
6285 area.y = hlist->hlist_window_height - diff;
6286 area.width = hlist->hlist_window_width;
6287 area.height = diff;
6288 }
6289 else
6290 {
6291 /* scroll up */
6292 diff = -hlist->voffset - value;
6293 if (!diff)
6294 return;
6295
6296 /* we have to re-draw the whole screen here... */
6297 if (diff >= hlist->hlist_window_height)
6298 {
6299 hlist->voffset = -value;
6300 draw_rows (hlist, NULL);
6301 return;
6302 }
6303
6304 if ((diff != 0) && (diff != hlist->hlist_window_height))
6305 gdk_window_copy_area (hlist->hlist_window, hlist->fg_gc,
6306 0, diff, hlist->hlist_window, 0, 0,
6307 hlist->hlist_window_width,
6308 hlist->hlist_window_height - diff);
6309
6310 area.x = 0;
6311 area.y = 0;
6312 area.width = hlist->hlist_window_width;
6313 area.height = diff;
6314 }
6315
6316 hlist->voffset = -value;
6317 if ((diff != 0) && (diff != hlist->hlist_window_height))
6318 check_exposures (hlist);
6319
6320 draw_rows (hlist, &area);
6321 }
6322
6323 static void
hadjustment_value_changed(GtkAdjustment * adjustment,gpointer data)6324 hadjustment_value_changed (GtkAdjustment *adjustment,
6325 gpointer data)
6326 {
6327 GtkHList *hlist;
6328 GdkRectangle area;
6329 gint i;
6330 gint y = 0;
6331 gint diff = 0;
6332 gint value;
6333
6334 g_return_if_fail (adjustment != NULL);
6335 g_return_if_fail (data != NULL);
6336 g_return_if_fail (GTK_IS_HLIST (data));
6337
6338 hlist = GTK_HLIST (data);
6339
6340 if (!GTK_WIDGET_DRAWABLE (hlist) || adjustment != hlist->hadjustment)
6341 return;
6342
6343 value = adjustment->value;
6344
6345 /* move the column buttons and resize windows */
6346 for (i = 0; i < hlist->columns; i++)
6347 {
6348 if (hlist->column[i].button)
6349 {
6350 hlist->column[i].button->allocation.x -= value + hlist->hoffset;
6351
6352 if (hlist->column[i].button->window)
6353 {
6354 gdk_window_move (hlist->column[i].button->window,
6355 hlist->column[i].button->allocation.x,
6356 hlist->column[i].button->allocation.y);
6357
6358 if (hlist->column[i].window)
6359 gdk_window_move (hlist->column[i].window,
6360 hlist->column[i].button->allocation.x +
6361 hlist->column[i].button->allocation.width -
6362 (DRAG_WIDTH / 2), 0);
6363 }
6364 }
6365 }
6366
6367 if (value > -hlist->hoffset)
6368 {
6369 /* scroll right */
6370 diff = value + hlist->hoffset;
6371
6372 hlist->hoffset = -value;
6373
6374 /* we have to re-draw the whole screen here... */
6375 if (diff >= hlist->hlist_window_width)
6376 {
6377 draw_rows (hlist, NULL);
6378 return;
6379 }
6380
6381 if (GTK_WIDGET_CAN_FOCUS(hlist) && GTK_WIDGET_HAS_FOCUS(hlist) &&
6382 !GTK_HLIST_CHILD_HAS_FOCUS(hlist) && GTK_HLIST_ADD_MODE(hlist))
6383 {
6384 y = ROW_TOP_YPIXEL (hlist, hlist->focus_row);
6385
6386 gdk_draw_rectangle (hlist->hlist_window, hlist->xor_gc, FALSE, 0, y,
6387 hlist->hlist_window_width - 1,
6388 hlist->row_height - 1);
6389 }
6390 gdk_window_copy_area (hlist->hlist_window,
6391 hlist->fg_gc,
6392 0, 0,
6393 hlist->hlist_window,
6394 diff,
6395 0,
6396 hlist->hlist_window_width - diff,
6397 hlist->hlist_window_height);
6398
6399 area.x = hlist->hlist_window_width - diff;
6400 }
6401 else
6402 {
6403 /* scroll left */
6404 if (!(diff = -hlist->hoffset - value))
6405 return;
6406
6407 hlist->hoffset = -value;
6408
6409 /* we have to re-draw the whole screen here... */
6410 if (diff >= hlist->hlist_window_width)
6411 {
6412 draw_rows (hlist, NULL);
6413 return;
6414 }
6415
6416 if (GTK_WIDGET_CAN_FOCUS(hlist) && GTK_WIDGET_HAS_FOCUS(hlist) &&
6417 !GTK_HLIST_CHILD_HAS_FOCUS(hlist) && GTK_HLIST_ADD_MODE(hlist))
6418 {
6419 y = ROW_TOP_YPIXEL (hlist, hlist->focus_row);
6420
6421 gdk_draw_rectangle (hlist->hlist_window, hlist->xor_gc, FALSE, 0, y,
6422 hlist->hlist_window_width - 1,
6423 hlist->row_height - 1);
6424 }
6425
6426 gdk_window_copy_area (hlist->hlist_window,
6427 hlist->fg_gc,
6428 diff, 0,
6429 hlist->hlist_window,
6430 0,
6431 0,
6432 hlist->hlist_window_width - diff,
6433 hlist->hlist_window_height);
6434
6435 area.x = 0;
6436 }
6437
6438 area.y = 0;
6439 area.width = diff;
6440 area.height = hlist->hlist_window_height;
6441
6442 check_exposures (hlist);
6443
6444 if (GTK_WIDGET_CAN_FOCUS(hlist) && GTK_WIDGET_HAS_FOCUS(hlist) &&
6445 !GTK_HLIST_CHILD_HAS_FOCUS(hlist))
6446 {
6447 if (GTK_HLIST_ADD_MODE(hlist))
6448 {
6449 gint focus_row;
6450
6451 focus_row = hlist->focus_row;
6452 hlist->focus_row = -1;
6453 draw_rows (hlist, &area);
6454 hlist->focus_row = focus_row;
6455
6456 gdk_draw_rectangle (hlist->hlist_window, hlist->xor_gc,
6457 FALSE, 0, y, hlist->hlist_window_width - 1,
6458 hlist->row_height - 1);
6459 return;
6460 }
6461 else
6462 {
6463 gint x0;
6464 gint x1;
6465
6466 if (area.x == 0)
6467 {
6468 x0 = hlist->hlist_window_width - 1;
6469 x1 = diff;
6470 }
6471 else
6472 {
6473 x0 = 0;
6474 x1 = area.x - 1;
6475 }
6476
6477 y = ROW_TOP_YPIXEL (hlist, hlist->focus_row);
6478 gdk_draw_line (hlist->hlist_window, hlist->xor_gc,
6479 x0, y + 1, x0, y + hlist->row_height - 2);
6480 gdk_draw_line (hlist->hlist_window, hlist->xor_gc,
6481 x1, y + 1, x1, y + hlist->row_height - 2);
6482
6483 }
6484 }
6485 draw_rows (hlist, &area);
6486 }
6487
6488 static void
check_exposures(GtkHList * hlist)6489 check_exposures (GtkHList *hlist)
6490 {
6491 GdkEvent *event;
6492
6493 if (!GTK_WIDGET_REALIZED (hlist))
6494 return;
6495
6496 /* Make sure graphics expose events are processed before scrolling
6497 * again */
6498 while ((event = gdk_event_get_graphics_expose (hlist->hlist_window)) != NULL)
6499 {
6500 gtk_widget_event (GTK_WIDGET (hlist), event);
6501 if (event->expose.count == 0)
6502 {
6503 gdk_event_free (event);
6504 break;
6505 }
6506 gdk_event_free (event);
6507 }
6508 }
6509
6510 /* PRIVATE
6511 * Memory Allocation/Distruction Routines for GtkHList stuctures
6512 *
6513 * functions:
6514 * columns_new
6515 * column_title_new
6516 * columns_delete
6517 * row_new
6518 * row_delete
6519 */
6520 static GtkHListColumn *
columns_new(GtkHList * hlist)6521 columns_new (GtkHList *hlist)
6522 {
6523 GtkHListColumn *column;
6524 gint i;
6525
6526 column = g_new (GtkHListColumn, hlist->columns);
6527
6528 for (i = 0; i < hlist->columns; i++)
6529 {
6530 column[i].area.x = 0;
6531 column[i].area.y = 0;
6532 column[i].area.width = 0;
6533 column[i].area.height = 0;
6534 column[i].title = NULL;
6535 column[i].button = NULL;
6536 column[i].window = NULL;
6537 column[i].width = 0;
6538 column[i].min_width = -1;
6539 column[i].max_width = -1;
6540 column[i].visible = TRUE;
6541 column[i].width_set = FALSE;
6542 column[i].resizeable = TRUE;
6543 column[i].auto_resize = FALSE;
6544 column[i].button_passive = FALSE;
6545 column[i].justification = GTK_JUSTIFY_LEFT;
6546 }
6547
6548 return column;
6549 }
6550
6551 static void
column_title_new(GtkHList * hlist,gint column,const gchar * title)6552 column_title_new (GtkHList *hlist,
6553 gint column,
6554 const gchar *title)
6555 {
6556 if (hlist->column[column].title)
6557 g_free (hlist->column[column].title);
6558
6559 hlist->column[column].title = g_strdup (title);
6560 }
6561
6562 static void
columns_delete(GtkHList * hlist)6563 columns_delete (GtkHList *hlist)
6564 {
6565 gint i;
6566
6567 for (i = 0; i < hlist->columns; i++)
6568 if (hlist->column[i].title)
6569 g_free (hlist->column[i].title);
6570
6571 g_free (hlist->column);
6572 }
6573
6574 static GtkHListRow *
row_new(GtkHList * hlist)6575 row_new (GtkHList *hlist)
6576 {
6577 int i;
6578 GtkHListRow *hlist_row;
6579
6580 hlist_row = g_chunk_new (GtkHListRow, hlist->row_mem_chunk);
6581 hlist_row->cell = g_chunk_new (GtkHell, hlist->cell_mem_chunk);
6582
6583 for (i = 0; i < hlist->columns; i++)
6584 {
6585 hlist_row->cell[i].type = GTK_HELL_EMPTY;
6586 hlist_row->cell[i].vertical = 0;
6587 hlist_row->cell[i].horizontal = 0;
6588 hlist_row->cell[i].style = NULL;
6589 }
6590
6591 hlist_row->fg_set = FALSE;
6592 hlist_row->bg_set = FALSE;
6593 hlist_row->style = NULL;
6594 hlist_row->selectable = TRUE;
6595 hlist_row->state = GTK_STATE_NORMAL;
6596 hlist_row->data = NULL;
6597 hlist_row->destroy = NULL;
6598
6599 return hlist_row;
6600 }
6601
6602 static void
row_delete(GtkHList * hlist,GtkHListRow * hlist_row)6603 row_delete (GtkHList *hlist,
6604 GtkHListRow *hlist_row)
6605 {
6606 gint i;
6607
6608 for (i = 0; i < hlist->columns; i++)
6609 {
6610 GTK_HLIST_CLASS_FW (hlist)->set_cell_contents
6611 (hlist, hlist_row, i, GTK_HELL_EMPTY, NULL, 0, NULL, NULL);
6612 if (hlist_row->cell[i].style)
6613 {
6614 if (GTK_WIDGET_REALIZED (hlist))
6615 gtk_style_detach (hlist_row->cell[i].style);
6616 gtk_style_unref (hlist_row->cell[i].style);
6617 }
6618 }
6619
6620 if (hlist_row->style)
6621 {
6622 if (GTK_WIDGET_REALIZED (hlist))
6623 gtk_style_detach (hlist_row->style);
6624 gtk_style_unref (hlist_row->style);
6625 }
6626
6627 if (hlist_row->destroy)
6628 hlist_row->destroy (hlist_row->data);
6629
6630 g_mem_chunk_free (hlist->cell_mem_chunk, hlist_row->cell);
6631 g_mem_chunk_free (hlist->row_mem_chunk, hlist_row);
6632 }
6633
6634 /* FOCUS FUNCTIONS
6635 * gtk_hlist_focus
6636 * gtk_hlist_draw_focus
6637 * gtk_hlist_focus_in
6638 * gtk_hlist_focus_out
6639 * gtk_hlist_set_focus_child
6640 * title_focus
6641 */
6642 static gint
gtk_hlist_focus(GtkContainer * container,GtkDirectionType direction)6643 gtk_hlist_focus (GtkContainer *container,
6644 GtkDirectionType direction)
6645 {
6646 GtkHList *hlist;
6647 GtkWidget *focus_child;
6648 gint old_row;
6649
6650 g_return_val_if_fail (container != NULL, FALSE);
6651 g_return_val_if_fail (GTK_IS_HLIST (container), FALSE);
6652
6653 if (!GTK_WIDGET_IS_SENSITIVE (container))
6654 return FALSE;
6655
6656 hlist = GTK_HLIST (container);
6657 focus_child = container->focus_child;
6658 old_row = hlist->focus_row;
6659
6660 switch (direction)
6661 {
6662 case GTK_DIR_LEFT:
6663 case GTK_DIR_RIGHT:
6664 if (GTK_HLIST_CHILD_HAS_FOCUS(hlist))
6665 {
6666 if (title_focus (hlist, direction))
6667 return TRUE;
6668 gtk_container_set_focus_child (container, NULL);
6669 return FALSE;
6670 }
6671 gtk_widget_grab_focus (GTK_WIDGET (container));
6672 return TRUE;
6673 case GTK_DIR_DOWN:
6674 case GTK_DIR_TAB_FORWARD:
6675 if (GTK_HLIST_CHILD_HAS_FOCUS(hlist))
6676 {
6677 gboolean tf = FALSE;
6678
6679 if (((focus_child && direction == GTK_DIR_DOWN) ||
6680 !(tf = title_focus (hlist, GTK_DIR_TAB_FORWARD)))
6681 && hlist->rows)
6682 {
6683 if (hlist->focus_row < 0)
6684 {
6685 hlist->focus_row = 0;
6686
6687 if ((hlist->selection_mode == GTK_SELECTION_BROWSE ||
6688 hlist->selection_mode == GTK_SELECTION_EXTENDED) &&
6689 !hlist->selection)
6690 gtk_signal_emit (GTK_OBJECT (hlist),
6691 hlist_signals[SELECT_ROW],
6692 hlist->focus_row, -1, NULL);
6693 }
6694 gtk_widget_grab_focus (GTK_WIDGET (container));
6695 return TRUE;
6696 }
6697
6698 if (tf)
6699 return TRUE;
6700 }
6701
6702 GTK_HLIST_SET_FLAG (hlist, HLIST_CHILD_HAS_FOCUS);
6703 break;
6704 case GTK_DIR_UP:
6705 case GTK_DIR_TAB_BACKWARD:
6706 if (!focus_child &&
6707 GTK_HLIST_CHILD_HAS_FOCUS(hlist) && hlist->rows)
6708 {
6709 if (hlist->focus_row < 0)
6710 {
6711 hlist->focus_row = 0;
6712 if ((hlist->selection_mode == GTK_SELECTION_BROWSE ||
6713 hlist->selection_mode == GTK_SELECTION_EXTENDED) &&
6714 !hlist->selection)
6715 gtk_signal_emit (GTK_OBJECT (hlist),
6716 hlist_signals[SELECT_ROW],
6717 hlist->focus_row, -1, NULL);
6718 }
6719 gtk_widget_grab_focus (GTK_WIDGET (container));
6720 return TRUE;
6721 }
6722
6723 GTK_HLIST_SET_FLAG (hlist, HLIST_CHILD_HAS_FOCUS);
6724
6725 if (title_focus (hlist, direction))
6726 return TRUE;
6727
6728 break;
6729 default:
6730 break;
6731 }
6732
6733 gtk_container_set_focus_child (container, NULL);
6734 return FALSE;
6735 }
6736
6737 static void
gtk_hlist_draw_focus(GtkWidget * widget)6738 gtk_hlist_draw_focus (GtkWidget *widget)
6739 {
6740 GtkHList *hlist;
6741
6742 g_return_if_fail (widget != NULL);
6743 g_return_if_fail (GTK_IS_HLIST (widget));
6744
6745 if (!GTK_WIDGET_DRAWABLE (widget) || !GTK_WIDGET_CAN_FOCUS (widget))
6746 return;
6747
6748 hlist = GTK_HLIST (widget);
6749 if (hlist->focus_row >= 0)
6750 gdk_draw_rectangle (hlist->hlist_window, hlist->xor_gc, FALSE,
6751 0, ROW_TOP_YPIXEL(hlist, hlist->focus_row),
6752 hlist->hlist_window_width - 1,
6753 hlist->row_height - 1);
6754 }
6755
6756 static gint
gtk_hlist_focus_in(GtkWidget * widget,GdkEventFocus * event)6757 gtk_hlist_focus_in (GtkWidget *widget,
6758 GdkEventFocus *event)
6759 {
6760 GtkHList *hlist;
6761
6762 g_return_val_if_fail (widget != NULL, FALSE);
6763 g_return_val_if_fail (GTK_IS_HLIST (widget), FALSE);
6764 g_return_val_if_fail (event != NULL, FALSE);
6765
6766 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
6767 GTK_HLIST_UNSET_FLAG (widget, HLIST_CHILD_HAS_FOCUS);
6768
6769 hlist = GTK_HLIST (widget);
6770
6771 if (hlist->selection_mode == GTK_SELECTION_BROWSE &&
6772 hlist->selection == NULL && hlist->focus_row > -1)
6773 {
6774 GList *list;
6775
6776 list = g_list_nth (hlist->row_list, hlist->focus_row);
6777 if (list && GTK_HLIST_ROW (list)->selectable)
6778 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[SELECT_ROW],
6779 hlist->focus_row, -1, event);
6780 else
6781 gtk_widget_draw_focus (widget);
6782 }
6783 else
6784 gtk_widget_draw_focus (widget);
6785
6786 return FALSE;
6787 }
6788
6789 static gint
gtk_hlist_focus_out(GtkWidget * widget,GdkEventFocus * event)6790 gtk_hlist_focus_out (GtkWidget *widget,
6791 GdkEventFocus *event)
6792 {
6793 GtkHList *hlist;
6794
6795 g_return_val_if_fail (widget != NULL, FALSE);
6796 g_return_val_if_fail (GTK_IS_HLIST (widget), FALSE);
6797 g_return_val_if_fail (event != NULL, FALSE);
6798
6799 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
6800 GTK_HLIST_SET_FLAG (widget, HLIST_CHILD_HAS_FOCUS);
6801
6802 gtk_widget_draw_focus (widget);
6803
6804 hlist = GTK_HLIST (widget);
6805
6806 GTK_HLIST_CLASS_FW (widget)->resync_selection (hlist, (GdkEvent *) event);
6807
6808 return FALSE;
6809 }
6810
6811 static void
gtk_hlist_set_focus_child(GtkContainer * container,GtkWidget * child)6812 gtk_hlist_set_focus_child (GtkContainer *container,
6813 GtkWidget *child)
6814 {
6815 g_return_if_fail (container != NULL);
6816 g_return_if_fail (GTK_IS_HLIST (container));
6817
6818 if (child)
6819 {
6820 g_return_if_fail (GTK_IS_WIDGET (child));
6821 GTK_HLIST_SET_FLAG (container, HLIST_CHILD_HAS_FOCUS);
6822 }
6823
6824 parent_class->set_focus_child (container, child);
6825 }
6826
6827 static gboolean
title_focus(GtkHList * hlist,gint dir)6828 title_focus (GtkHList *hlist,
6829 gint dir)
6830 {
6831 GtkWidget *focus_child;
6832 gboolean return_val = FALSE;
6833 gint last_column;
6834 gint d = 1;
6835 gint i = 0;
6836 gint j;
6837
6838 if (!GTK_HLIST_SHOW_TITLES(hlist))
6839 return FALSE;
6840
6841 focus_child = GTK_CONTAINER (hlist)->focus_child;
6842
6843 for (last_column = hlist->columns - 1;
6844 last_column >= 0 && !hlist->column[last_column].visible; last_column--)
6845 ;
6846
6847 switch (dir)
6848 {
6849 case GTK_DIR_TAB_BACKWARD:
6850 case GTK_DIR_UP:
6851 if (!focus_child || !GTK_HLIST_CHILD_HAS_FOCUS(hlist))
6852 {
6853 if (dir == GTK_DIR_UP)
6854 i = COLUMN_FROM_XPIXEL (hlist, 0);
6855 else
6856 i = last_column;
6857 focus_child = hlist->column[i].button;
6858 dir = GTK_DIR_TAB_FORWARD;
6859 }
6860 else
6861 d = -1;
6862 break;
6863 case GTK_DIR_LEFT:
6864 d = -1;
6865 if (!focus_child)
6866 {
6867 i = last_column;
6868 focus_child = hlist->column[i].button;
6869 }
6870 break;
6871 case GTK_DIR_RIGHT:
6872 if (!focus_child)
6873 {
6874 i = 0;
6875 focus_child = hlist->column[i].button;
6876 }
6877 break;
6878 }
6879
6880 if (focus_child)
6881 while (i < hlist->columns)
6882 {
6883 if (hlist->column[i].button == focus_child)
6884 {
6885 if (hlist->column[i].button &&
6886 GTK_WIDGET_VISIBLE (hlist->column[i].button) &&
6887 GTK_IS_CONTAINER (hlist->column[i].button) &&
6888 !GTK_WIDGET_HAS_FOCUS(hlist->column[i].button))
6889 if (gtk_container_focus
6890 (GTK_CONTAINER (hlist->column[i].button), dir))
6891 {
6892 return_val = TRUE;
6893 i -= d;
6894 }
6895 if (!return_val && dir == GTK_DIR_UP)
6896 return FALSE;
6897 i += d;
6898 break;
6899 }
6900 i++;
6901 }
6902
6903 j = i;
6904
6905 if (!return_val)
6906 while (j >= 0 && j < hlist->columns)
6907 {
6908 if (hlist->column[j].button &&
6909 GTK_WIDGET_VISIBLE (hlist->column[j].button))
6910 {
6911 if (GTK_IS_CONTAINER (hlist->column[j].button) &&
6912 gtk_container_focus
6913 (GTK_CONTAINER (hlist->column[j].button), dir))
6914 {
6915 return_val = TRUE;
6916 break;
6917 }
6918 else if (GTK_WIDGET_CAN_FOCUS (hlist->column[j].button))
6919 {
6920 gtk_widget_grab_focus (hlist->column[j].button);
6921 return_val = TRUE;
6922 break;
6923 }
6924 }
6925 j += d;
6926 }
6927
6928 if (return_val)
6929 {
6930 if (COLUMN_LEFT_XPIXEL (hlist, j) < HELL_SPACING + COLUMN_INSET)
6931 gtk_hlist_moveto (hlist, -1, j, 0, 0);
6932 else if (COLUMN_LEFT_XPIXEL(hlist, j) + hlist->column[j].area.width >
6933 hlist->hlist_window_width)
6934 {
6935 if (j == last_column)
6936 gtk_hlist_moveto (hlist, -1, j, 0, 0);
6937 else
6938 gtk_hlist_moveto (hlist, -1, j, 0, 1);
6939 }
6940 }
6941 return return_val;
6942 }
6943
6944 /* PRIVATE SCROLLING FUNCTIONS
6945 * move_focus_row
6946 * scroll_horizontal
6947 * scroll_vertical
6948 * move_horizontal
6949 * move_vertical
6950 * horizontal_timeout
6951 * vertical_timeout
6952 * remove_grab
6953 */
6954 static void
move_focus_row(GtkHList * hlist,GtkScrollType scroll_type,gfloat position)6955 move_focus_row (GtkHList *hlist,
6956 GtkScrollType scroll_type,
6957 gfloat position)
6958 {
6959 GtkWidget *widget;
6960
6961 g_return_if_fail (hlist != 0);
6962 g_return_if_fail (GTK_IS_HLIST (hlist));
6963
6964 widget = GTK_WIDGET (hlist);
6965
6966 switch (scroll_type)
6967 {
6968 case GTK_SCROLL_STEP_BACKWARD:
6969 if (hlist->focus_row <= 0)
6970 return;
6971 gtk_hlist_draw_focus (widget);
6972 hlist->focus_row--;
6973 gtk_hlist_draw_focus (widget);
6974 break;
6975 case GTK_SCROLL_STEP_FORWARD:
6976 if (hlist->focus_row >= hlist->rows - 1)
6977 return;
6978 gtk_hlist_draw_focus (widget);
6979 hlist->focus_row++;
6980 gtk_hlist_draw_focus (widget);
6981 break;
6982 case GTK_SCROLL_PAGE_BACKWARD:
6983 if (hlist->focus_row <= 0)
6984 return;
6985 gtk_hlist_draw_focus (widget);
6986 hlist->focus_row = MAX (0, hlist->focus_row -
6987 (2 * hlist->hlist_window_height -
6988 hlist->row_height - HELL_SPACING) /
6989 (2 * (hlist->row_height + HELL_SPACING)));
6990 gtk_hlist_draw_focus (widget);
6991 break;
6992 case GTK_SCROLL_PAGE_FORWARD:
6993 if (hlist->focus_row >= hlist->rows - 1)
6994 return;
6995 gtk_hlist_draw_focus (widget);
6996 hlist->focus_row = MIN (hlist->rows - 1, hlist->focus_row +
6997 (2 * hlist->hlist_window_height -
6998 hlist->row_height - HELL_SPACING) /
6999 (2 * (hlist->row_height + HELL_SPACING)));
7000 gtk_hlist_draw_focus (widget);
7001 break;
7002 case GTK_SCROLL_JUMP:
7003 if (position >= 0 && position <= 1)
7004 {
7005 gtk_hlist_draw_focus (widget);
7006 hlist->focus_row = position * (hlist->rows - 1);
7007 gtk_hlist_draw_focus (widget);
7008 }
7009 break;
7010 default:
7011 break;
7012 }
7013 }
7014
7015 static void
scroll_horizontal(GtkHList * hlist,GtkScrollType scroll_type,gfloat position)7016 scroll_horizontal (GtkHList *hlist,
7017 GtkScrollType scroll_type,
7018 gfloat position)
7019 {
7020 gint column = 0;
7021 gint last_column;
7022
7023 g_return_if_fail (hlist != 0);
7024 g_return_if_fail (GTK_IS_HLIST (hlist));
7025
7026 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (hlist))
7027 return;
7028
7029 for (last_column = hlist->columns - 1;
7030 last_column >= 0 && !hlist->column[last_column].visible; last_column--)
7031 ;
7032
7033 switch (scroll_type)
7034 {
7035 case GTK_SCROLL_STEP_BACKWARD:
7036 column = COLUMN_FROM_XPIXEL (hlist, 0);
7037 if (COLUMN_LEFT_XPIXEL (hlist, column) - HELL_SPACING - COLUMN_INSET >= 0
7038 && column > 0)
7039 column--;
7040 break;
7041 case GTK_SCROLL_STEP_FORWARD:
7042 column = COLUMN_FROM_XPIXEL (hlist, hlist->hlist_window_width);
7043 if (column < 0)
7044 return;
7045 if (COLUMN_LEFT_XPIXEL (hlist, column) +
7046 hlist->column[column].area.width +
7047 HELL_SPACING + COLUMN_INSET - 1 <= hlist->hlist_window_width &&
7048 column < last_column)
7049 column++;
7050 break;
7051 case GTK_SCROLL_PAGE_BACKWARD:
7052 case GTK_SCROLL_PAGE_FORWARD:
7053 return;
7054 case GTK_SCROLL_JUMP:
7055 if (position >= 0 && position <= 1)
7056 {
7057 gint vis_columns = 0;
7058 gint i;
7059
7060 for (i = 0; i <= last_column; i++)
7061 if (hlist->column[i].visible)
7062 vis_columns++;
7063
7064 column = position * vis_columns;
7065
7066 for (i = 0; i <= last_column && column > 0; i++)
7067 if (hlist->column[i].visible)
7068 column--;
7069
7070 column = i;
7071 }
7072 else
7073 return;
7074 break;
7075 default:
7076 break;
7077 }
7078
7079 if (COLUMN_LEFT_XPIXEL (hlist, column) < HELL_SPACING + COLUMN_INSET)
7080 gtk_hlist_moveto (hlist, -1, column, 0, 0);
7081 else if (COLUMN_LEFT_XPIXEL (hlist, column) + HELL_SPACING + COLUMN_INSET - 1
7082 + hlist->column[column].area.width > hlist->hlist_window_width)
7083 {
7084 if (column == last_column)
7085 gtk_hlist_moveto (hlist, -1, column, 0, 0);
7086 else
7087 gtk_hlist_moveto (hlist, -1, column, 0, 1);
7088 }
7089 }
7090
7091 static void
scroll_vertical(GtkHList * hlist,GtkScrollType scroll_type,gfloat position)7092 scroll_vertical (GtkHList *hlist,
7093 GtkScrollType scroll_type,
7094 gfloat position)
7095 {
7096 gint old_focus_row;
7097
7098 g_return_if_fail (hlist != NULL);
7099 g_return_if_fail (GTK_IS_HLIST (hlist));
7100
7101 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (hlist))
7102 return;
7103
7104 switch (hlist->selection_mode)
7105 {
7106 case GTK_SELECTION_EXTENDED:
7107 if (hlist->anchor >= 0)
7108 return;
7109 case GTK_SELECTION_BROWSE:
7110
7111 old_focus_row = hlist->focus_row;
7112 move_focus_row (hlist, scroll_type, position);
7113
7114 if (old_focus_row != hlist->focus_row)
7115 {
7116 if (hlist->selection_mode == GTK_SELECTION_BROWSE)
7117 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[UNSELECT_ROW],
7118 old_focus_row, -1, NULL);
7119 else if (!GTK_HLIST_ADD_MODE(hlist))
7120 {
7121 gtk_hlist_unselect_all (hlist);
7122 hlist->undo_anchor = old_focus_row;
7123 }
7124 }
7125
7126 switch (gtk_hlist_row_is_visible (hlist, hlist->focus_row))
7127 {
7128 case GTK_VISIBILITY_NONE:
7129 if (old_focus_row != hlist->focus_row &&
7130 !(hlist->selection_mode == GTK_SELECTION_EXTENDED &&
7131 GTK_HLIST_ADD_MODE(hlist)))
7132 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[SELECT_ROW],
7133 hlist->focus_row, -1, NULL);
7134 switch (scroll_type)
7135 {
7136 case GTK_SCROLL_STEP_BACKWARD:
7137 case GTK_SCROLL_PAGE_BACKWARD:
7138 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 0, 0);
7139 break;
7140 case GTK_SCROLL_STEP_FORWARD:
7141 case GTK_SCROLL_PAGE_FORWARD:
7142 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 1, 0);
7143 break;
7144 case GTK_SCROLL_JUMP:
7145 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 0.5, 0);
7146 break;
7147 default:
7148 break;
7149 }
7150 break;
7151 case GTK_VISIBILITY_PARTIAL:
7152 switch (scroll_type)
7153 {
7154 case GTK_SCROLL_STEP_BACKWARD:
7155 case GTK_SCROLL_PAGE_BACKWARD:
7156 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 0, 0);
7157 break;
7158 case GTK_SCROLL_STEP_FORWARD:
7159 case GTK_SCROLL_PAGE_FORWARD:
7160 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 1, 0);
7161 break;
7162 case GTK_SCROLL_JUMP:
7163 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 0.5, 0);
7164 break;
7165 default:
7166 break;
7167 }
7168 default:
7169 if (old_focus_row != hlist->focus_row &&
7170 !(hlist->selection_mode == GTK_SELECTION_EXTENDED &&
7171 GTK_HLIST_ADD_MODE(hlist)))
7172 gtk_signal_emit (GTK_OBJECT (hlist), hlist_signals[SELECT_ROW],
7173 hlist->focus_row, -1, NULL);
7174 break;
7175 }
7176 break;
7177 default:
7178 move_focus_row (hlist, scroll_type, position);
7179
7180 if (ROW_TOP_YPIXEL (hlist, hlist->focus_row) + hlist->row_height >
7181 hlist->hlist_window_height)
7182 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 1, 0);
7183 else if (ROW_TOP_YPIXEL (hlist, hlist->focus_row) < 0)
7184 gtk_hlist_moveto (hlist, hlist->focus_row, -1, 0, 0);
7185 break;
7186 }
7187 }
7188
7189 static void
move_horizontal(GtkHList * hlist,gint diff)7190 move_horizontal (GtkHList *hlist,
7191 gint diff)
7192 {
7193 gfloat value;
7194
7195 if (!hlist->hadjustment)
7196 return;
7197
7198 value = CLAMP (hlist->hadjustment->value + diff, 0.0,
7199 hlist->hadjustment->upper - hlist->hadjustment->page_size);
7200 gtk_adjustment_set_value(hlist->hadjustment, value);
7201 }
7202
7203 static void
move_vertical(GtkHList * hlist,gint row,gfloat align)7204 move_vertical (GtkHList *hlist,
7205 gint row,
7206 gfloat align)
7207 {
7208 gfloat value;
7209
7210 if (!hlist->vadjustment)
7211 return;
7212
7213 value = (ROW_TOP_YPIXEL (hlist, row) - hlist->voffset -
7214 align * (hlist->hlist_window_height - hlist->row_height) +
7215 (2 * align - 1) * HELL_SPACING);
7216
7217 if (value + hlist->vadjustment->page_size > hlist->vadjustment->upper)
7218 value = hlist->vadjustment->upper - hlist->vadjustment->page_size;
7219
7220 gtk_adjustment_set_value(hlist->vadjustment, value);
7221 }
7222
7223 static gint
horizontal_timeout(GtkHList * hlist)7224 horizontal_timeout (GtkHList *hlist)
7225 {
7226 GdkEventMotion event;
7227
7228 GDK_THREADS_ENTER ();
7229
7230 hlist->htimer = 0;
7231
7232 event.type = GDK_MOTION_NOTIFY;
7233 event.send_event = TRUE;
7234
7235 gtk_hlist_motion (GTK_WIDGET (hlist), &event);
7236
7237 GDK_THREADS_LEAVE ();
7238
7239 return FALSE;
7240 }
7241
7242 static gint
vertical_timeout(GtkHList * hlist)7243 vertical_timeout (GtkHList *hlist)
7244 {
7245 GdkEventMotion event;
7246
7247 GDK_THREADS_ENTER ();
7248
7249 hlist->vtimer = 0;
7250
7251 event.type = GDK_MOTION_NOTIFY;
7252 event.send_event = TRUE;
7253
7254 gtk_hlist_motion (GTK_WIDGET (hlist), &event);
7255
7256 GDK_THREADS_LEAVE ();
7257
7258 return FALSE;
7259 }
7260
7261 static void
remove_grab(GtkHList * hlist)7262 remove_grab (GtkHList *hlist)
7263 {
7264 if (GTK_WIDGET_HAS_GRAB (hlist))
7265 {
7266 gtk_grab_remove (GTK_WIDGET (hlist));
7267 if (gdk_pointer_is_grabbed ())
7268 gdk_pointer_ungrab (GDK_CURRENT_TIME);
7269 }
7270
7271 if (hlist->htimer)
7272 {
7273 gtk_timeout_remove (hlist->htimer);
7274 hlist->htimer = 0;
7275 }
7276
7277 if (hlist->vtimer)
7278 {
7279 gtk_timeout_remove (hlist->vtimer);
7280 hlist->vtimer = 0;
7281 }
7282 }
7283
7284 /* PUBLIC SORTING FUNCTIONS
7285 * gtk_hlist_sort
7286 * gtk_hlist_set_compare_func
7287 * gtk_hlist_set_auto_sort
7288 * gtk_hlist_set_sort_type
7289 * gtk_hlist_set_sort_column
7290 */
7291 void
gtk_hlist_sort(GtkHList * hlist)7292 gtk_hlist_sort (GtkHList *hlist)
7293 {
7294 g_return_if_fail (hlist != NULL);
7295 g_return_if_fail (GTK_IS_HLIST (hlist));
7296
7297 GTK_HLIST_CLASS_FW (hlist)->sort_list (hlist);
7298 }
7299
7300 void
gtk_hlist_set_compare_func(GtkHList * hlist,GtkHListCompareFunc cmp_func)7301 gtk_hlist_set_compare_func (GtkHList *hlist,
7302 GtkHListCompareFunc cmp_func)
7303 {
7304 g_return_if_fail (hlist != NULL);
7305 g_return_if_fail (GTK_IS_HLIST (hlist));
7306
7307 hlist->compare = (cmp_func) ? cmp_func : default_compare;
7308 }
7309
7310 void
gtk_hlist_set_auto_sort(GtkHList * hlist,gboolean auto_sort)7311 gtk_hlist_set_auto_sort (GtkHList *hlist,
7312 gboolean auto_sort)
7313 {
7314 g_return_if_fail (hlist != NULL);
7315 g_return_if_fail (GTK_IS_HLIST (hlist));
7316
7317 if (GTK_HLIST_AUTO_SORT(hlist) && !auto_sort)
7318 GTK_HLIST_UNSET_FLAG (hlist, HLIST_AUTO_SORT);
7319 else if (!GTK_HLIST_AUTO_SORT(hlist) && auto_sort)
7320 {
7321 GTK_HLIST_SET_FLAG (hlist, HLIST_AUTO_SORT);
7322 gtk_hlist_sort (hlist);
7323 }
7324 }
7325
7326 void
gtk_hlist_set_sort_type(GtkHList * hlist,GtkSortType sort_type)7327 gtk_hlist_set_sort_type (GtkHList *hlist,
7328 GtkSortType sort_type)
7329 {
7330 g_return_if_fail (hlist != NULL);
7331 g_return_if_fail (GTK_IS_HLIST (hlist));
7332
7333 hlist->sort_type = sort_type;
7334 }
7335
7336 void
gtk_hlist_set_sort_column(GtkHList * hlist,gint column)7337 gtk_hlist_set_sort_column (GtkHList *hlist,
7338 gint column)
7339 {
7340 g_return_if_fail (hlist != NULL);
7341 g_return_if_fail (GTK_IS_HLIST (hlist));
7342
7343 if (column < 0 || column >= hlist->columns)
7344 return;
7345
7346 hlist->sort_column = column;
7347 }
7348
7349 /* PRIVATE SORTING FUNCTIONS
7350 * default_compare
7351 * real_sort_list
7352 * gtk_hlist_merge
7353 * gtk_hlist_mergesort
7354 */
7355 static gint
default_compare(GtkHList * hlist,gconstpointer ptr1,gconstpointer ptr2)7356 default_compare (GtkHList *hlist,
7357 gconstpointer ptr1,
7358 gconstpointer ptr2)
7359 {
7360 char *text1 = NULL;
7361 char *text2 = NULL;
7362
7363 GtkHListRow *row1 = (GtkHListRow *) ptr1;
7364 GtkHListRow *row2 = (GtkHListRow *) ptr2;
7365
7366 switch (row1->cell[hlist->sort_column].type)
7367 {
7368 case GTK_HELL_TEXT:
7369 text1 = GTK_HELL_TEXT (row1->cell[hlist->sort_column])->text;
7370 break;
7371 case GTK_HELL_PIXTEXT:
7372 text1 = GTK_HELL_PIXTEXT (row1->cell[hlist->sort_column])->text;
7373 break;
7374 default:
7375 break;
7376 }
7377
7378 switch (row2->cell[hlist->sort_column].type)
7379 {
7380 case GTK_HELL_TEXT:
7381 text2 = GTK_HELL_TEXT (row2->cell[hlist->sort_column])->text;
7382 break;
7383 case GTK_HELL_PIXTEXT:
7384 text2 = GTK_HELL_PIXTEXT (row2->cell[hlist->sort_column])->text;
7385 break;
7386 default:
7387 break;
7388 }
7389
7390 if (!text2)
7391 return (text1 != NULL);
7392
7393 if (!text1)
7394 return -1;
7395
7396 return strcmp (text1, text2);
7397 }
7398
7399 static void
real_sort_list(GtkHList * hlist)7400 real_sort_list (GtkHList *hlist)
7401 {
7402 GList *list;
7403 GList *work;
7404 gint i;
7405
7406 g_return_if_fail (hlist != NULL);
7407 g_return_if_fail (GTK_IS_HLIST (hlist));
7408
7409 if (hlist->rows <= 1)
7410 return;
7411
7412 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (hlist))
7413 return;
7414
7415 gtk_hlist_freeze (hlist);
7416
7417 if (hlist->anchor != -1 && hlist->selection_mode == GTK_SELECTION_EXTENDED)
7418 {
7419 GTK_HLIST_CLASS_FW (hlist)->resync_selection (hlist, NULL);
7420 g_list_free (hlist->undo_selection);
7421 g_list_free (hlist->undo_unselection);
7422 hlist->undo_selection = NULL;
7423 hlist->undo_unselection = NULL;
7424 }
7425
7426 hlist->row_list = gtk_hlist_mergesort (hlist, hlist->row_list, hlist->rows);
7427
7428 work = hlist->selection;
7429
7430 for (i = 0, list = hlist->row_list; i < hlist->rows; i++, list = list->next)
7431 {
7432 if (GTK_HLIST_ROW (list)->state == GTK_STATE_SELECTED)
7433 {
7434 work->data = GINT_TO_POINTER (i);
7435 work = work->next;
7436 }
7437
7438 if (i == hlist->rows - 1)
7439 hlist->row_list_end = list;
7440 }
7441
7442 gtk_hlist_thaw (hlist);
7443 }
7444
7445 static GList *
gtk_hlist_merge(GtkHList * hlist,GList * a,GList * b)7446 gtk_hlist_merge (GtkHList *hlist,
7447 GList *a, /* first list to merge */
7448 GList *b) /* second list to merge */
7449 {
7450 GList z = { 0, 0, 0 }; /* auxiliary node */
7451 GList *c;
7452 gint cmp;
7453
7454 c = &z;
7455
7456 while (a || b)
7457 {
7458 if (a && !b)
7459 {
7460 c->next = a;
7461 a->prev = c;
7462 c = a;
7463 a = a->next;
7464 break;
7465 }
7466 else if (!a && b)
7467 {
7468 c->next = b;
7469 b->prev = c;
7470 c = b;
7471 b = b->next;
7472 break;
7473 }
7474 else /* a && b */
7475 {
7476 cmp = hlist->compare (hlist, GTK_HLIST_ROW (a), GTK_HLIST_ROW (b));
7477 if ((cmp >= 0 && hlist->sort_type == GTK_SORT_DESCENDING) ||
7478 (cmp <= 0 && hlist->sort_type == GTK_SORT_ASCENDING) ||
7479 (a && !b))
7480 {
7481 c->next = a;
7482 a->prev = c;
7483 c = a;
7484 a = a->next;
7485 }
7486 else
7487 {
7488 c->next = b;
7489 b->prev = c;
7490 c = b;
7491 b = b->next;
7492 }
7493 }
7494 }
7495
7496 return z.next;
7497 }
7498
7499 static GList *
gtk_hlist_mergesort(GtkHList * hlist,GList * list,gint num)7500 gtk_hlist_mergesort (GtkHList *hlist,
7501 GList *list, /* the list to sort */
7502 gint num) /* the list's length */
7503 {
7504 GList *half;
7505 gint i;
7506
7507 if (num == 1)
7508 {
7509 return list;
7510 }
7511 else
7512 {
7513 /* move "half" to the middle */
7514 half = list;
7515 for (i = 0; i < num / 2; i++)
7516 half = half->next;
7517
7518 /* cut the list in two */
7519 half->prev->next = NULL;
7520 half->prev = NULL;
7521
7522 /* recursively sort both lists */
7523 return gtk_hlist_merge (hlist,
7524 gtk_hlist_mergesort (hlist, list, num / 2),
7525 gtk_hlist_mergesort (hlist, half, num - num / 2));
7526 }
7527 }
7528
7529 /************************/
7530
7531 static void
drag_source_info_destroy(gpointer data)7532 drag_source_info_destroy (gpointer data)
7533 {
7534 GtkHListHellInfo *info = data;
7535
7536 g_free (info);
7537 }
7538
7539 static void
drag_dest_info_destroy(gpointer data)7540 drag_dest_info_destroy (gpointer data)
7541 {
7542 GtkHListDestInfo *info = data;
7543
7544 g_free (info);
7545 }
7546
7547 static void
drag_dest_cell(GtkHList * hlist,gint x,gint y,GtkHListDestInfo * dest_info)7548 drag_dest_cell (GtkHList *hlist,
7549 gint x,
7550 gint y,
7551 GtkHListDestInfo *dest_info)
7552 {
7553 GtkWidget *widget;
7554
7555 widget = GTK_WIDGET (hlist);
7556
7557 dest_info->insert_pos = GTK_HLIST_DRAG_NONE;
7558
7559 y -= (GTK_CONTAINER (hlist)->border_width +
7560 widget->style->klass->ythickness +
7561 hlist->column_title_area.height);
7562
7563 dest_info->cell.row = ROW_FROM_YPIXEL (hlist, y);
7564 if (dest_info->cell.row >= hlist->rows)
7565 {
7566 dest_info->cell.row = hlist->rows - 1;
7567 y = ROW_TOP_YPIXEL (hlist, dest_info->cell.row) + hlist->row_height;
7568 }
7569 if (dest_info->cell.row < -1)
7570 dest_info->cell.row = -1;
7571
7572 x -= GTK_CONTAINER (widget)->border_width + widget->style->klass->xthickness;
7573 dest_info->cell.column = COLUMN_FROM_XPIXEL (hlist, x);
7574
7575 if (dest_info->cell.row >= 0)
7576 {
7577 gint y_delta;
7578 gint h = 0;
7579
7580 y_delta = y - ROW_TOP_YPIXEL (hlist, dest_info->cell.row);
7581
7582 if (GTK_HLIST_DRAW_DRAG_RECT(hlist))
7583 {
7584 dest_info->insert_pos = GTK_HLIST_DRAG_INTO;
7585 h = hlist->row_height / 4;
7586 }
7587 else if (GTK_HLIST_DRAW_DRAG_LINE(hlist))
7588 {
7589 dest_info->insert_pos = GTK_HLIST_DRAG_BEFORE;
7590 h = hlist->row_height / 2;
7591 }
7592
7593 if (GTK_HLIST_DRAW_DRAG_LINE(hlist))
7594 {
7595 if (y_delta < h)
7596 dest_info->insert_pos = GTK_HLIST_DRAG_BEFORE;
7597 else if (hlist->row_height - y_delta < h)
7598 dest_info->insert_pos = GTK_HLIST_DRAG_AFTER;
7599 }
7600 }
7601 }
7602
7603 static void
gtk_hlist_drag_begin(GtkWidget * widget,GdkDragContext * context)7604 gtk_hlist_drag_begin (GtkWidget *widget,
7605 GdkDragContext *context)
7606 {
7607 GtkHList *hlist;
7608 GtkHListHellInfo *info;
7609
7610 g_return_if_fail (widget != NULL);
7611 g_return_if_fail (GTK_IS_HLIST (widget));
7612 g_return_if_fail (context != NULL);
7613
7614 hlist = GTK_HLIST (widget);
7615
7616 hlist->drag_button = 0;
7617 remove_grab (hlist);
7618
7619 switch (hlist->selection_mode)
7620 {
7621 case GTK_SELECTION_EXTENDED:
7622 update_extended_selection (hlist, hlist->focus_row);
7623 GTK_HLIST_CLASS_FW (hlist)->resync_selection (hlist, NULL);
7624 break;
7625 case GTK_SELECTION_SINGLE:
7626 case GTK_SELECTION_MULTIPLE:
7627 hlist->anchor = -1;
7628 case GTK_SELECTION_BROWSE:
7629 break;
7630 }
7631
7632 info = g_dataset_get_data (context, "gtk-hlist-drag-source");
7633
7634 if (!info)
7635 {
7636 info = g_new (GtkHListHellInfo, 1);
7637
7638 if (hlist->click_cell.row < 0)
7639 hlist->click_cell.row = 0;
7640 else if (hlist->click_cell.row >= hlist->rows)
7641 hlist->click_cell.row = hlist->rows - 1;
7642 info->row = hlist->click_cell.row;
7643 info->column = hlist->click_cell.column;
7644
7645 g_dataset_set_data_full (context, "gtk-hlist-drag-source", info,
7646 drag_source_info_destroy);
7647 }
7648
7649 if (GTK_HLIST_USE_DRAG_ICONS (hlist))
7650 gtk_drag_set_icon_default (context);
7651 }
7652
7653 static void
gtk_hlist_drag_end(GtkWidget * widget,GdkDragContext * context)7654 gtk_hlist_drag_end (GtkWidget *widget,
7655 GdkDragContext *context)
7656 {
7657 GtkHList *hlist;
7658
7659 g_return_if_fail (widget != NULL);
7660 g_return_if_fail (GTK_IS_HLIST (widget));
7661 g_return_if_fail (context != NULL);
7662
7663 hlist = GTK_HLIST (widget);
7664
7665 hlist->click_cell.row = -1;
7666 hlist->click_cell.column = -1;
7667 }
7668
7669 static void
gtk_hlist_drag_leave(GtkWidget * widget,GdkDragContext * context,guint time)7670 gtk_hlist_drag_leave (GtkWidget *widget,
7671 GdkDragContext *context,
7672 guint time)
7673 {
7674 GtkHList *hlist;
7675 GtkHListDestInfo *dest_info;
7676
7677 g_return_if_fail (widget != NULL);
7678 g_return_if_fail (GTK_IS_HLIST (widget));
7679 g_return_if_fail (context != NULL);
7680
7681 if (time) {} /* removes compiler warning */
7682 hlist = GTK_HLIST (widget);
7683
7684 dest_info = g_dataset_get_data (context, "gtk-hlist-drag-dest");
7685
7686 if (dest_info)
7687 {
7688 if (dest_info->cell.row >= 0 &&
7689 GTK_HLIST_REORDERABLE(hlist) &&
7690 gtk_drag_get_source_widget (context) == widget)
7691 {
7692 GList *list;
7693 GdkAtom atom = gdk_atom_intern ("gtk-hlist-drag-reorder", FALSE);
7694
7695 list = context->targets;
7696 while (list)
7697 {
7698 if (atom == (GdkAtom)GPOINTER_TO_INT (list->data))
7699 {
7700 GTK_HLIST_CLASS_FW (hlist)->draw_drag_highlight
7701 (hlist,
7702 g_list_nth (hlist->row_list, dest_info->cell.row)->data,
7703 dest_info->cell.row, dest_info->insert_pos);
7704 break;
7705 }
7706 list = list->next;
7707 }
7708 }
7709 g_dataset_remove_data (context, "gtk-hlist-drag-dest");
7710 }
7711 }
7712
7713 static gint
gtk_hlist_drag_motion(GtkWidget * widget,GdkDragContext * context,gint x,gint y,guint time)7714 gtk_hlist_drag_motion (GtkWidget *widget,
7715 GdkDragContext *context,
7716 gint x,
7717 gint y,
7718 guint time)
7719 {
7720 GtkHList *hlist;
7721 GtkHListDestInfo new_info;
7722 GtkHListDestInfo *dest_info;
7723
7724 g_return_val_if_fail (widget != NULL, FALSE);
7725 g_return_val_if_fail (GTK_IS_HLIST (widget), FALSE);
7726
7727 hlist = GTK_HLIST (widget);
7728
7729 dest_info = g_dataset_get_data (context, "gtk-hlist-drag-dest");
7730
7731 if (!dest_info)
7732 {
7733 dest_info = g_new (GtkHListDestInfo, 1);
7734
7735 dest_info->insert_pos = GTK_HLIST_DRAG_NONE;
7736 dest_info->cell.row = -1;
7737 dest_info->cell.column = -1;
7738
7739 g_dataset_set_data_full (context, "gtk-hlist-drag-dest", dest_info,
7740 drag_dest_info_destroy);
7741 }
7742
7743 drag_dest_cell (hlist, x, y, &new_info);
7744
7745 if (GTK_HLIST_REORDERABLE (hlist))
7746 {
7747 GList *list;
7748 GdkAtom atom = gdk_atom_intern ("gtk-hlist-drag-reorder", FALSE);
7749
7750 list = context->targets;
7751 while (list)
7752 {
7753 if (atom == (GdkAtom)GPOINTER_TO_INT (list->data))
7754 break;
7755 list = list->next;
7756 }
7757
7758 if (list)
7759 {
7760 if (gtk_drag_get_source_widget (context) != widget ||
7761 new_info.insert_pos == GTK_HLIST_DRAG_NONE ||
7762 new_info.cell.row == hlist->click_cell.row ||
7763 (new_info.cell.row == hlist->click_cell.row - 1 &&
7764 new_info.insert_pos == GTK_HLIST_DRAG_AFTER) ||
7765 (new_info.cell.row == hlist->click_cell.row + 1 &&
7766 new_info.insert_pos == GTK_HLIST_DRAG_BEFORE))
7767 {
7768 if (dest_info->cell.row < 0)
7769 {
7770 gdk_drag_status (context, GDK_ACTION_DEFAULT, time);
7771 return FALSE;
7772 }
7773 return TRUE;
7774 }
7775
7776 if (new_info.cell.row != dest_info->cell.row ||
7777 (new_info.cell.row == dest_info->cell.row &&
7778 dest_info->insert_pos != new_info.insert_pos))
7779 {
7780 if (dest_info->cell.row >= 0)
7781 GTK_HLIST_CLASS_FW (hlist)->draw_drag_highlight
7782 (hlist, g_list_nth (hlist->row_list,
7783 dest_info->cell.row)->data,
7784 dest_info->cell.row, dest_info->insert_pos);
7785
7786 dest_info->insert_pos = new_info.insert_pos;
7787 dest_info->cell.row = new_info.cell.row;
7788 dest_info->cell.column = new_info.cell.column;
7789
7790 GTK_HLIST_CLASS_FW (hlist)->draw_drag_highlight
7791 (hlist, g_list_nth (hlist->row_list,
7792 dest_info->cell.row)->data,
7793 dest_info->cell.row, dest_info->insert_pos);
7794
7795 gdk_drag_status (context, context->suggested_action, time);
7796 }
7797 return TRUE;
7798 }
7799 }
7800
7801 dest_info->insert_pos = new_info.insert_pos;
7802 dest_info->cell.row = new_info.cell.row;
7803 dest_info->cell.column = new_info.cell.column;
7804 return TRUE;
7805 }
7806
7807 static gboolean
gtk_hlist_drag_drop(GtkWidget * widget,GdkDragContext * context,gint x,gint y,guint time)7808 gtk_hlist_drag_drop (GtkWidget *widget,
7809 GdkDragContext *context,
7810 gint x,
7811 gint y,
7812 guint time)
7813 {
7814 g_return_val_if_fail (widget != NULL, FALSE);
7815 g_return_val_if_fail (GTK_IS_HLIST (widget), FALSE);
7816 g_return_val_if_fail (context != NULL, FALSE);
7817
7818 if (x || y || time) {} /* removes compiler warning */
7819 if (GTK_HLIST_REORDERABLE (widget) &&
7820 gtk_drag_get_source_widget (context) == widget)
7821 {
7822 GList *list;
7823 GdkAtom atom = gdk_atom_intern ("gtk-hlist-drag-reorder", FALSE);
7824
7825 list = context->targets;
7826 while (list)
7827 {
7828 if (atom == (GdkAtom)GPOINTER_TO_INT (list->data))
7829 return TRUE;
7830 list = list->next;
7831 }
7832 }
7833 return FALSE;
7834 }
7835
7836 static void
gtk_hlist_drag_data_received(GtkWidget * widget,GdkDragContext * context,gint x,gint y,GtkSelectionData * selection_data,guint info,guint time)7837 gtk_hlist_drag_data_received (GtkWidget *widget,
7838 GdkDragContext *context,
7839 gint x,
7840 gint y,
7841 GtkSelectionData *selection_data,
7842 guint info,
7843 guint time)
7844 {
7845 GtkHList *hlist;
7846
7847 g_return_if_fail (widget != NULL);
7848 g_return_if_fail (GTK_IS_HLIST (widget));
7849 g_return_if_fail (context != NULL);
7850 g_return_if_fail (selection_data != NULL);
7851
7852 if (info || time) {} /* removes compiler warning */
7853 hlist = GTK_HLIST (widget);
7854
7855 if (GTK_HLIST_REORDERABLE (hlist) &&
7856 gtk_drag_get_source_widget (context) == widget &&
7857 selection_data->target ==
7858 gdk_atom_intern ("gtk-hlist-drag-reorder", FALSE) &&
7859 selection_data->format == GTK_TYPE_POINTER &&
7860 selection_data->length == sizeof (GtkHListHellInfo))
7861 {
7862 GtkHListHellInfo *source_info;
7863
7864 source_info = (GtkHListHellInfo *)(selection_data->data);
7865 if (source_info)
7866 {
7867 GtkHListDestInfo dest_info;
7868
7869 drag_dest_cell (hlist, x, y, &dest_info);
7870
7871 if (dest_info.insert_pos == GTK_HLIST_DRAG_AFTER)
7872 dest_info.cell.row++;
7873 if (source_info->row < dest_info.cell.row)
7874 dest_info.cell.row--;
7875 if (dest_info.cell.row != source_info->row)
7876 gtk_hlist_row_move (hlist, source_info->row, dest_info.cell.row);
7877
7878 g_dataset_remove_data (context, "gtk-hlist-drag-dest");
7879 }
7880 }
7881 }
7882
7883 static void
gtk_hlist_drag_data_get(GtkWidget * widget,GdkDragContext * context,GtkSelectionData * selection_data,guint info,guint time)7884 gtk_hlist_drag_data_get (GtkWidget *widget,
7885 GdkDragContext *context,
7886 GtkSelectionData *selection_data,
7887 guint info,
7888 guint time)
7889 {
7890 g_return_if_fail (widget != NULL);
7891 g_return_if_fail (GTK_IS_HLIST (widget));
7892 g_return_if_fail (context != NULL);
7893 g_return_if_fail (selection_data != NULL);
7894
7895 if (time || info) {} /* removes compiler warning */
7896 if (selection_data->target ==
7897 gdk_atom_intern ("gtk-hlist-drag-reorder", FALSE))
7898 {
7899 GtkHListHellInfo *info;
7900
7901 info = g_dataset_get_data (context, "gtk-hlist-drag-source");
7902
7903 if (info)
7904 {
7905 GtkHListHellInfo ret_info;
7906
7907 ret_info.row = info->row;
7908 ret_info.column = info->column;
7909
7910 gtk_selection_data_set (selection_data, selection_data->target,
7911 GTK_TYPE_POINTER, (guchar *) &ret_info,
7912 sizeof (GtkHListHellInfo));
7913 }
7914 else
7915 gtk_selection_data_set (selection_data, selection_data->target,
7916 GTK_TYPE_POINTER, NULL, 0);
7917 }
7918 }
7919
7920 static void
draw_drag_highlight(GtkHList * hlist,GtkHListRow * dest_row,gint dest_row_number,GtkHListDragPos drag_pos)7921 draw_drag_highlight (GtkHList *hlist,
7922 GtkHListRow *dest_row,
7923 gint dest_row_number,
7924 GtkHListDragPos drag_pos)
7925 {
7926 gint y;
7927
7928 if (dest_row) {} /* removes compiler warning */
7929 y = ROW_TOP_YPIXEL (hlist, dest_row_number) - 1;
7930
7931 switch (drag_pos)
7932 {
7933 case GTK_HLIST_DRAG_NONE:
7934 break;
7935 case GTK_HLIST_DRAG_AFTER:
7936 y += hlist->row_height + 1;
7937 case GTK_HLIST_DRAG_BEFORE:
7938 gdk_draw_line (hlist->hlist_window, hlist->xor_gc,
7939 0, y, hlist->hlist_window_width, y);
7940 break;
7941 case GTK_HLIST_DRAG_INTO:
7942 gdk_draw_rectangle (hlist->hlist_window, hlist->xor_gc, FALSE, 0, y,
7943 hlist->hlist_window_width - 1, hlist->row_height);
7944 break;
7945 }
7946 }
7947
7948 void
gtk_hlist_set_reorderable(GtkHList * hlist,gboolean reorderable)7949 gtk_hlist_set_reorderable (GtkHList *hlist,
7950 gboolean reorderable)
7951 {
7952 GtkWidget *widget;
7953
7954 g_return_if_fail (hlist != NULL);
7955 g_return_if_fail (GTK_IS_HLIST (hlist));
7956
7957 if ((GTK_HLIST_REORDERABLE(hlist) != 0) == reorderable)
7958 return;
7959
7960 widget = GTK_WIDGET (hlist);
7961
7962 if (reorderable)
7963 {
7964 GTK_HLIST_SET_FLAG (hlist, HLIST_REORDERABLE);
7965 gtk_drag_dest_set (widget,
7966 GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
7967 &hlist_target_table, 1, GDK_ACTION_MOVE);
7968 }
7969 else
7970 {
7971 GTK_HLIST_UNSET_FLAG (hlist, HLIST_REORDERABLE);
7972 gtk_drag_dest_unset (GTK_WIDGET (hlist));
7973 }
7974 }
7975
7976 void
gtk_hlist_set_use_drag_icons(GtkHList * hlist,gboolean use_icons)7977 gtk_hlist_set_use_drag_icons (GtkHList *hlist,
7978 gboolean use_icons)
7979 {
7980 g_return_if_fail (hlist != NULL);
7981 g_return_if_fail (GTK_IS_HLIST (hlist));
7982
7983 if (use_icons != 0)
7984 GTK_HLIST_SET_FLAG (hlist, HLIST_USE_DRAG_ICONS);
7985 else
7986 GTK_HLIST_UNSET_FLAG (hlist, HLIST_USE_DRAG_ICONS);
7987 }
7988
7989 void
gtk_hlist_set_button_actions(GtkHList * hlist,guint button,guint8 button_actions)7990 gtk_hlist_set_button_actions (GtkHList *hlist,
7991 guint button,
7992 guint8 button_actions)
7993 {
7994 g_return_if_fail (hlist != NULL);
7995 g_return_if_fail (GTK_IS_HLIST (hlist));
7996
7997 if (button < MAX_BUTTON)
7998 {
7999 if (gdk_pointer_is_grabbed () || GTK_WIDGET_HAS_GRAB (hlist))
8000 {
8001 remove_grab (hlist);
8002 hlist->drag_button = 0;
8003 }
8004
8005 GTK_HLIST_CLASS_FW (hlist)->resync_selection (hlist, NULL);
8006
8007 hlist->button_actions[button] = button_actions;
8008 }
8009 }
8010