1 /* testtreecolumns.c
2 * Copyright (C) 2001 Red Hat, Inc
3 * Author: Jonathan Blandford
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 #include "config.h"
22 #include <gtk/gtk.h>
23
24 /*
25 * README README README README README README README README README README
26 * README README README README README README README README README README
27 * README README README README README README README README README README
28 * README README README README README README README README README README
29 * README README README README README README README README README README
30 * README README README README README README README README README README
31 * README README README README README README README README README README
32 * README README README README README README README README README README
33 * README README README README README README README README README README
34 * README README README README README README README README README README
35 * README README README README README README README README README README
36 * README README README README README README README README README README
37 * README README README README README README README README README README
38 *
39 * DO NOT!!! I REPEAT DO NOT! EVER LOOK AT THIS CODE AS AN EXAMPLE OF WHAT YOUR
40 * CODE SHOULD LOOK LIKE.
41 *
42 * IT IS VERY CONFUSING, AND IS MEANT TO TEST A LOT OF CODE IN THE TREE. WHILE
43 * IT IS ACTUALLY CORRECT CODE, IT IS NOT USEFUL.
44 */
45
46 GtkWidget *left_tree_view;
47 GtkWidget *top_right_tree_view;
48 GtkWidget *bottom_right_tree_view;
49 GtkTreeModel *left_tree_model;
50 GtkTreeModel *top_right_tree_model;
51 GtkTreeModel *bottom_right_tree_model;
52 GtkWidget *sample_tree_view_top;
53 GtkWidget *sample_tree_view_bottom;
54
55 #define column_data "my_column_data"
56
57 static void move_row (GtkTreeModel *src,
58 GtkTreeIter *src_iter,
59 GtkTreeModel *dest,
60 GtkTreeIter *dest_iter);
61
62 /* Kids, don't try this at home. */
63
64 /* Small GtkTreeModel to model columns */
65 typedef struct _ViewColumnModel ViewColumnModel;
66 typedef struct _ViewColumnModelClass ViewColumnModelClass;
67
68 struct _ViewColumnModel
69 {
70 GObject parent;
71 GtkTreeView *view;
72 GList *columns;
73 gint stamp;
74 };
75
76 struct _ViewColumnModelClass
77 {
78 GObjectClass parent_class;
79 };
80
view_column_model_init(ViewColumnModel * model)81 static void view_column_model_init (ViewColumnModel *model)
82 {
83 model->stamp = g_random_int ();
84 }
85
86 static gint
view_column_model_get_n_columns(GtkTreeModel * tree_model)87 view_column_model_get_n_columns (GtkTreeModel *tree_model)
88 {
89 return 2;
90 }
91
92 static GType
view_column_model_get_column_type(GtkTreeModel * tree_model,gint index)93 view_column_model_get_column_type (GtkTreeModel *tree_model,
94 gint index)
95 {
96 switch (index)
97 {
98 case 0:
99 return G_TYPE_STRING;
100 case 1:
101 return GTK_TYPE_TREE_VIEW_COLUMN;
102 default:
103 return G_TYPE_INVALID;
104 }
105 }
106
107 static gboolean
view_column_model_get_iter(GtkTreeModel * tree_model,GtkTreeIter * iter,GtkTreePath * path)108 view_column_model_get_iter (GtkTreeModel *tree_model,
109 GtkTreeIter *iter,
110 GtkTreePath *path)
111
112 {
113 ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
114 GList *list;
115 gint i;
116
117 g_return_val_if_fail (gtk_tree_path_get_depth (path) > 0, FALSE);
118
119 i = gtk_tree_path_get_indices (path)[0];
120 list = g_list_nth (view_model->columns, i);
121
122 if (list == NULL)
123 return FALSE;
124
125 iter->stamp = view_model->stamp;
126 iter->user_data = list;
127
128 return TRUE;
129 }
130
131 static GtkTreePath *
view_column_model_get_path(GtkTreeModel * tree_model,GtkTreeIter * iter)132 view_column_model_get_path (GtkTreeModel *tree_model,
133 GtkTreeIter *iter)
134 {
135 ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
136 GtkTreePath *retval;
137 GList *list;
138 gint i = 0;
139
140 g_return_val_if_fail (iter->stamp == view_model->stamp, NULL);
141
142 for (list = view_model->columns; list; list = list->next)
143 {
144 if (list == (GList *)iter->user_data)
145 break;
146 i++;
147 }
148 if (list == NULL)
149 return NULL;
150
151 retval = gtk_tree_path_new ();
152 gtk_tree_path_append_index (retval, i);
153 return retval;
154 }
155
156 static void
view_column_model_get_value(GtkTreeModel * tree_model,GtkTreeIter * iter,gint column,GValue * value)157 view_column_model_get_value (GtkTreeModel *tree_model,
158 GtkTreeIter *iter,
159 gint column,
160 GValue *value)
161 {
162 ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
163
164 g_return_if_fail (column < 2);
165 g_return_if_fail (view_model->stamp == iter->stamp);
166 g_return_if_fail (iter->user_data != NULL);
167
168 if (column == 0)
169 {
170 g_value_init (value, G_TYPE_STRING);
171 g_value_set_string (value, gtk_tree_view_column_get_title (GTK_TREE_VIEW_COLUMN (((GList *)iter->user_data)->data)));
172 }
173 else
174 {
175 g_value_init (value, GTK_TYPE_TREE_VIEW_COLUMN);
176 g_value_set_object (value, ((GList *)iter->user_data)->data);
177 }
178 }
179
180 static gboolean
view_column_model_iter_next(GtkTreeModel * tree_model,GtkTreeIter * iter)181 view_column_model_iter_next (GtkTreeModel *tree_model,
182 GtkTreeIter *iter)
183 {
184 ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
185
186 g_return_val_if_fail (view_model->stamp == iter->stamp, FALSE);
187 g_return_val_if_fail (iter->user_data != NULL, FALSE);
188
189 iter->user_data = ((GList *)iter->user_data)->next;
190 return iter->user_data != NULL;
191 }
192
193 static gboolean
view_column_model_iter_children(GtkTreeModel * tree_model,GtkTreeIter * iter,GtkTreeIter * parent)194 view_column_model_iter_children (GtkTreeModel *tree_model,
195 GtkTreeIter *iter,
196 GtkTreeIter *parent)
197 {
198 ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
199
200 /* this is a list, nodes have no children */
201 if (parent)
202 return FALSE;
203
204 /* but if parent == NULL we return the list itself as children of the
205 * "root"
206 */
207
208 if (view_model->columns)
209 {
210 iter->stamp = view_model->stamp;
211 iter->user_data = view_model->columns;
212 return TRUE;
213 }
214 else
215 return FALSE;
216 }
217
218 static gboolean
view_column_model_iter_has_child(GtkTreeModel * tree_model,GtkTreeIter * iter)219 view_column_model_iter_has_child (GtkTreeModel *tree_model,
220 GtkTreeIter *iter)
221 {
222 return FALSE;
223 }
224
225 static gint
view_column_model_iter_n_children(GtkTreeModel * tree_model,GtkTreeIter * iter)226 view_column_model_iter_n_children (GtkTreeModel *tree_model,
227 GtkTreeIter *iter)
228 {
229 return g_list_length (((ViewColumnModel *)tree_model)->columns);
230 }
231
232 static gint
view_column_model_iter_nth_child(GtkTreeModel * tree_model,GtkTreeIter * iter,GtkTreeIter * parent,gint n)233 view_column_model_iter_nth_child (GtkTreeModel *tree_model,
234 GtkTreeIter *iter,
235 GtkTreeIter *parent,
236 gint n)
237 {
238 ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
239
240 if (parent)
241 return FALSE;
242
243 iter->stamp = view_model->stamp;
244 iter->user_data = g_list_nth ((GList *)view_model->columns, n);
245
246 return (iter->user_data != NULL);
247 }
248
249 static gboolean
view_column_model_iter_parent(GtkTreeModel * tree_model,GtkTreeIter * iter,GtkTreeIter * child)250 view_column_model_iter_parent (GtkTreeModel *tree_model,
251 GtkTreeIter *iter,
252 GtkTreeIter *child)
253 {
254 return FALSE;
255 }
256
257 static void
view_column_model_tree_model_init(GtkTreeModelIface * iface)258 view_column_model_tree_model_init (GtkTreeModelIface *iface)
259 {
260 iface->get_n_columns = view_column_model_get_n_columns;
261 iface->get_column_type = view_column_model_get_column_type;
262 iface->get_iter = view_column_model_get_iter;
263 iface->get_path = view_column_model_get_path;
264 iface->get_value = view_column_model_get_value;
265 iface->iter_next = view_column_model_iter_next;
266 iface->iter_children = view_column_model_iter_children;
267 iface->iter_has_child = view_column_model_iter_has_child;
268 iface->iter_n_children = view_column_model_iter_n_children;
269 iface->iter_nth_child = view_column_model_iter_nth_child;
270 iface->iter_parent = view_column_model_iter_parent;
271 }
272
273 static gboolean
view_column_model_drag_data_get(GtkTreeDragSource * drag_source,GtkTreePath * path,GtkSelectionData * selection_data)274 view_column_model_drag_data_get (GtkTreeDragSource *drag_source,
275 GtkTreePath *path,
276 GtkSelectionData *selection_data)
277 {
278 if (gtk_tree_set_row_drag_data (selection_data,
279 GTK_TREE_MODEL (drag_source),
280 path))
281 return TRUE;
282 else
283 return FALSE;
284 }
285
286 static gboolean
view_column_model_drag_data_delete(GtkTreeDragSource * drag_source,GtkTreePath * path)287 view_column_model_drag_data_delete (GtkTreeDragSource *drag_source,
288 GtkTreePath *path)
289 {
290 /* Nothing -- we handle moves on the dest side */
291
292 return TRUE;
293 }
294
295 static gboolean
view_column_model_row_drop_possible(GtkTreeDragDest * drag_dest,GtkTreePath * dest_path,GtkSelectionData * selection_data)296 view_column_model_row_drop_possible (GtkTreeDragDest *drag_dest,
297 GtkTreePath *dest_path,
298 GtkSelectionData *selection_data)
299 {
300 GtkTreeModel *src_model;
301
302 if (gtk_tree_get_row_drag_data (selection_data,
303 &src_model,
304 NULL))
305 {
306 if (src_model == left_tree_model ||
307 src_model == top_right_tree_model ||
308 src_model == bottom_right_tree_model)
309 return TRUE;
310 }
311
312 return FALSE;
313 }
314
315 static gboolean
view_column_model_drag_data_received(GtkTreeDragDest * drag_dest,GtkTreePath * dest,GtkSelectionData * selection_data)316 view_column_model_drag_data_received (GtkTreeDragDest *drag_dest,
317 GtkTreePath *dest,
318 GtkSelectionData *selection_data)
319 {
320 GtkTreeModel *src_model;
321 GtkTreePath *src_path = NULL;
322 gboolean retval = FALSE;
323
324 if (gtk_tree_get_row_drag_data (selection_data,
325 &src_model,
326 &src_path))
327 {
328 GtkTreeIter src_iter;
329 GtkTreeIter dest_iter;
330 gboolean have_dest;
331
332 /* We are a little lazy here, and assume if we can't convert dest
333 * to an iter, we need to append. See gtkliststore.c for a more
334 * careful handling of this.
335 */
336 have_dest = gtk_tree_model_get_iter (GTK_TREE_MODEL (drag_dest), &dest_iter, dest);
337
338 if (gtk_tree_model_get_iter (src_model, &src_iter, src_path))
339 {
340 if (src_model == left_tree_model ||
341 src_model == top_right_tree_model ||
342 src_model == bottom_right_tree_model)
343 {
344 move_row (src_model, &src_iter, GTK_TREE_MODEL (drag_dest),
345 have_dest ? &dest_iter : NULL);
346 retval = TRUE;
347 }
348 }
349
350 gtk_tree_path_free (src_path);
351 }
352
353 return retval;
354 }
355
356 static void
view_column_model_drag_source_init(GtkTreeDragSourceIface * iface)357 view_column_model_drag_source_init (GtkTreeDragSourceIface *iface)
358 {
359 iface->drag_data_get = view_column_model_drag_data_get;
360 iface->drag_data_delete = view_column_model_drag_data_delete;
361 }
362
363 static void
view_column_model_drag_dest_init(GtkTreeDragDestIface * iface)364 view_column_model_drag_dest_init (GtkTreeDragDestIface *iface)
365 {
366 iface->drag_data_received = view_column_model_drag_data_received;
367 iface->row_drop_possible = view_column_model_row_drop_possible;
368 }
369
370 GType
view_column_model_get_type(void)371 view_column_model_get_type (void)
372 {
373 static GType view_column_model_type = 0;
374
375 if (!view_column_model_type)
376 {
377 const GTypeInfo view_column_model_info =
378 {
379 sizeof (GtkListStoreClass),
380 NULL, /* base_init */
381 NULL, /* base_finalize */
382 NULL, /* class_init */
383 NULL, /* class_finalize */
384 NULL, /* class_data */
385 sizeof (GtkListStore),
386 0,
387 (GInstanceInitFunc) view_column_model_init,
388 };
389
390 const GInterfaceInfo tree_model_info =
391 {
392 (GInterfaceInitFunc) view_column_model_tree_model_init,
393 NULL,
394 NULL
395 };
396
397 const GInterfaceInfo drag_source_info =
398 {
399 (GInterfaceInitFunc) view_column_model_drag_source_init,
400 NULL,
401 NULL
402 };
403
404 const GInterfaceInfo drag_dest_info =
405 {
406 (GInterfaceInitFunc) view_column_model_drag_dest_init,
407 NULL,
408 NULL
409 };
410
411 view_column_model_type = g_type_register_static (G_TYPE_OBJECT, "ViewModelColumn", &view_column_model_info, 0);
412 g_type_add_interface_static (view_column_model_type,
413 GTK_TYPE_TREE_MODEL,
414 &tree_model_info);
415 g_type_add_interface_static (view_column_model_type,
416 GTK_TYPE_TREE_DRAG_SOURCE,
417 &drag_source_info);
418 g_type_add_interface_static (view_column_model_type,
419 GTK_TYPE_TREE_DRAG_DEST,
420 &drag_dest_info);
421 }
422
423 return view_column_model_type;
424 }
425
426 static void
update_columns(GtkTreeView * view,ViewColumnModel * view_model)427 update_columns (GtkTreeView *view, ViewColumnModel *view_model)
428 {
429 GList *old_columns = view_model->columns;
430 gint old_length, length;
431 GList *a, *b;
432
433 view_model->columns = gtk_tree_view_get_columns (view_model->view);
434
435 /* As the view tells us one change at a time, we can do this hack. */
436 length = g_list_length (view_model->columns);
437 old_length = g_list_length (old_columns);
438 if (length != old_length)
439 {
440 GtkTreePath *path;
441 gint i = 0;
442
443 /* where are they different */
444 for (a = old_columns, b = view_model->columns; a && b; a = a->next, b = b->next)
445 {
446 if (a->data != b->data)
447 break;
448 i++;
449 }
450 path = gtk_tree_path_new ();
451 gtk_tree_path_append_index (path, i);
452 if (length < old_length)
453 {
454 view_model->stamp++;
455 gtk_tree_model_row_deleted (GTK_TREE_MODEL (view_model), path);
456 }
457 else
458 {
459 GtkTreeIter iter;
460 iter.stamp = view_model->stamp;
461 iter.user_data = b;
462 gtk_tree_model_row_inserted (GTK_TREE_MODEL (view_model), path, &iter);
463 }
464 gtk_tree_path_free (path);
465 }
466 else
467 {
468 gint i;
469 gint m = 0, n = 1;
470 gint *new_order;
471 GtkTreePath *path;
472
473 new_order = g_new (int, length);
474 a = old_columns; b = view_model->columns;
475
476 while (a->data == b->data)
477 {
478 a = a->next;
479 b = b->next;
480 if (a == NULL)
481 return;
482 m++;
483 }
484
485 if (a->next->data == b->data)
486 {
487 b = b->next;
488 while (b->data != a->data)
489 {
490 b = b->next;
491 n++;
492 }
493 for (i = 0; i < m; i++)
494 new_order[i] = i;
495 for (i = m; i < m+n; i++)
496 new_order[i] = i+1;
497 new_order[i] = m;
498 for (i = m + n +1; i < length; i++)
499 new_order[i] = i;
500 }
501 else
502 {
503 a = a->next;
504 while (a->data != b->data)
505 {
506 a = a->next;
507 n++;
508 }
509 for (i = 0; i < m; i++)
510 new_order[i] = i;
511 new_order[m] = m+n;
512 for (i = m+1; i < m + n+ 1; i++)
513 new_order[i] = i - 1;
514 for (i = m + n + 1; i < length; i++)
515 new_order[i] = i;
516 }
517
518 path = gtk_tree_path_new ();
519 gtk_tree_model_rows_reordered (GTK_TREE_MODEL (view_model),
520 path,
521 NULL,
522 new_order);
523 gtk_tree_path_free (path);
524 g_free (new_order);
525 }
526 if (old_columns)
527 g_list_free (old_columns);
528 }
529
530 static GtkTreeModel *
view_column_model_new(GtkTreeView * view)531 view_column_model_new (GtkTreeView *view)
532 {
533 GtkTreeModel *retval;
534
535 retval = g_object_new (view_column_model_get_type (), NULL);
536 ((ViewColumnModel *)retval)->view = view;
537 ((ViewColumnModel *)retval)->columns = gtk_tree_view_get_columns (view);
538
539 g_signal_connect (view, "columns_changed", G_CALLBACK (update_columns), retval);
540
541 return retval;
542 }
543
544 /* Back to sanity.
545 */
546
547 static void
add_clicked(GtkWidget * button,gpointer data)548 add_clicked (GtkWidget *button, gpointer data)
549 {
550 static gint i = 0;
551
552 GtkTreeIter iter;
553 GtkTreeViewColumn *column;
554 GtkTreeSelection *selection;
555 GtkCellRenderer *cell;
556 gchar *label = g_strdup_printf ("Column %d", i);
557
558 cell = gtk_cell_renderer_text_new ();
559 column = gtk_tree_view_column_new_with_attributes (label, cell, "text", 0, NULL);
560 g_object_set_data_full (G_OBJECT (column), column_data, label, g_free);
561 gtk_tree_view_column_set_reorderable (column, TRUE);
562 gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
563 gtk_tree_view_column_set_resizable (column, TRUE);
564 gtk_list_store_append (GTK_LIST_STORE (left_tree_model), &iter);
565 gtk_list_store_set (GTK_LIST_STORE (left_tree_model), &iter, 0, label, 1, column, -1);
566 i++;
567
568 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
569 gtk_tree_selection_select_iter (selection, &iter);
570 }
571
572 static void
get_visible(GtkTreeViewColumn * tree_column,GtkCellRenderer * cell,GtkTreeModel * tree_model,GtkTreeIter * iter,gpointer data)573 get_visible (GtkTreeViewColumn *tree_column,
574 GtkCellRenderer *cell,
575 GtkTreeModel *tree_model,
576 GtkTreeIter *iter,
577 gpointer data)
578 {
579 GtkTreeViewColumn *column;
580
581 gtk_tree_model_get (tree_model, iter, 1, &column, -1);
582 if (column)
583 {
584 gtk_cell_renderer_toggle_set_active (GTK_CELL_RENDERER_TOGGLE (cell),
585 gtk_tree_view_column_get_visible (column));
586 }
587 }
588
589 static void
set_visible(GtkCellRendererToggle * cell,gchar * path_str,gpointer data)590 set_visible (GtkCellRendererToggle *cell,
591 gchar *path_str,
592 gpointer data)
593 {
594 GtkTreeView *tree_view = (GtkTreeView *) data;
595 GtkTreeViewColumn *column;
596 GtkTreeModel *model;
597 GtkTreeIter iter;
598 GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
599
600 model = gtk_tree_view_get_model (tree_view);
601
602 gtk_tree_model_get_iter (model, &iter, path);
603 gtk_tree_model_get (model, &iter, 1, &column, -1);
604
605 if (column)
606 {
607 gtk_tree_view_column_set_visible (column, ! gtk_tree_view_column_get_visible (column));
608 gtk_tree_model_row_changed (model, path, &iter);
609 }
610 gtk_tree_path_free (path);
611 }
612
613 static void
move_to_left(GtkTreeModel * src,GtkTreeIter * src_iter,GtkTreeIter * dest_iter)614 move_to_left (GtkTreeModel *src,
615 GtkTreeIter *src_iter,
616 GtkTreeIter *dest_iter)
617 {
618 GtkTreeIter iter;
619 GtkTreeViewColumn *column;
620 GtkTreeSelection *selection;
621 gchar *label;
622
623 gtk_tree_model_get (src, src_iter, 0, &label, 1, &column, -1);
624
625 if (src == top_right_tree_model)
626 gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_top), column);
627 else
628 gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_bottom), column);
629
630 /* gtk_list_store_remove (GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (data))), &iter);*/
631
632 /* Put it back on the left */
633 if (dest_iter)
634 gtk_list_store_insert_before (GTK_LIST_STORE (left_tree_model),
635 &iter, dest_iter);
636 else
637 gtk_list_store_append (GTK_LIST_STORE (left_tree_model), &iter);
638
639 gtk_list_store_set (GTK_LIST_STORE (left_tree_model), &iter, 0, label, 1, column, -1);
640 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
641 gtk_tree_selection_select_iter (selection, &iter);
642
643 g_free (label);
644 }
645
646 static void
move_to_right(GtkTreeIter * src_iter,GtkTreeModel * dest,GtkTreeIter * dest_iter)647 move_to_right (GtkTreeIter *src_iter,
648 GtkTreeModel *dest,
649 GtkTreeIter *dest_iter)
650 {
651 gchar *label;
652 GtkTreeViewColumn *column;
653 gint before = -1;
654
655 gtk_tree_model_get (GTK_TREE_MODEL (left_tree_model),
656 src_iter, 0, &label, 1, &column, -1);
657 gtk_list_store_remove (GTK_LIST_STORE (left_tree_model), src_iter);
658
659 if (dest_iter)
660 {
661 GtkTreePath *path = gtk_tree_model_get_path (dest, dest_iter);
662 before = (gtk_tree_path_get_indices (path))[0];
663 gtk_tree_path_free (path);
664 }
665
666 if (dest == top_right_tree_model)
667 gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_top), column, before);
668 else
669 gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_bottom), column, before);
670
671 g_free (label);
672 }
673
674 static void
move_up_or_down(GtkTreeModel * src,GtkTreeIter * src_iter,GtkTreeModel * dest,GtkTreeIter * dest_iter)675 move_up_or_down (GtkTreeModel *src,
676 GtkTreeIter *src_iter,
677 GtkTreeModel *dest,
678 GtkTreeIter *dest_iter)
679 {
680 GtkTreeViewColumn *column;
681 gchar *label;
682 gint before = -1;
683
684 gtk_tree_model_get (src, src_iter, 0, &label, 1, &column, -1);
685
686 if (dest_iter)
687 {
688 GtkTreePath *path = gtk_tree_model_get_path (dest, dest_iter);
689 before = (gtk_tree_path_get_indices (path))[0];
690 gtk_tree_path_free (path);
691 }
692
693 if (src == top_right_tree_model)
694 gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_top), column);
695 else
696 gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_bottom), column);
697
698 if (dest == top_right_tree_model)
699 gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_top), column, before);
700 else
701 gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_bottom), column, before);
702
703 g_free (label);
704 }
705
706 static void
move_row(GtkTreeModel * src,GtkTreeIter * src_iter,GtkTreeModel * dest,GtkTreeIter * dest_iter)707 move_row (GtkTreeModel *src,
708 GtkTreeIter *src_iter,
709 GtkTreeModel *dest,
710 GtkTreeIter *dest_iter)
711 {
712 if (src == left_tree_model)
713 move_to_right (src_iter, dest, dest_iter);
714 else if (dest == left_tree_model)
715 move_to_left (src, src_iter, dest_iter);
716 else
717 move_up_or_down (src, src_iter, dest, dest_iter);
718 }
719
720 static void
add_left_clicked(GtkWidget * button,gpointer data)721 add_left_clicked (GtkWidget *button,
722 gpointer data)
723 {
724 GtkTreeIter iter;
725
726 GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (data));
727
728 gtk_tree_selection_get_selected (selection, NULL, &iter);
729
730 move_to_left (gtk_tree_view_get_model (GTK_TREE_VIEW (data)), &iter, NULL);
731 }
732
733 static void
add_right_clicked(GtkWidget * button,gpointer data)734 add_right_clicked (GtkWidget *button, gpointer data)
735 {
736 GtkTreeIter iter;
737
738 GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
739
740 gtk_tree_selection_get_selected (selection, NULL, &iter);
741
742 move_to_right (&iter, gtk_tree_view_get_model (GTK_TREE_VIEW (data)), NULL);
743 }
744
745 static void
selection_changed(GtkTreeSelection * selection,GtkWidget * button)746 selection_changed (GtkTreeSelection *selection, GtkWidget *button)
747 {
748 if (gtk_tree_selection_get_selected (selection, NULL, NULL))
749 gtk_widget_set_sensitive (button, TRUE);
750 else
751 gtk_widget_set_sensitive (button, FALSE);
752 }
753
754 static GtkTargetEntry row_targets[] = {
755 { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, 0}
756 };
757
758 int
main(int argc,char * argv[])759 main (int argc, char *argv[])
760 {
761 GtkWidget *window;
762 GtkWidget *hbox, *vbox;
763 GtkWidget *vbox2, *bbox;
764 GtkWidget *button;
765 GtkTreeViewColumn *column;
766 GtkCellRenderer *cell;
767 GtkWidget *swindow;
768 GtkTreeModel *sample_model;
769 gint i;
770
771 gtk_init (&argc, &argv);
772
773 /* First initialize all the models for signal purposes */
774 left_tree_model = (GtkTreeModel *) gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_POINTER);
775 sample_model = (GtkTreeModel *) gtk_list_store_new (1, G_TYPE_STRING);
776 sample_tree_view_top = gtk_tree_view_new_with_model (sample_model);
777 sample_tree_view_bottom = gtk_tree_view_new_with_model (sample_model);
778 top_right_tree_model = (GtkTreeModel *) view_column_model_new (GTK_TREE_VIEW (sample_tree_view_top));
779 bottom_right_tree_model = (GtkTreeModel *) view_column_model_new (GTK_TREE_VIEW (sample_tree_view_bottom));
780 top_right_tree_view = gtk_tree_view_new_with_model (top_right_tree_model);
781 bottom_right_tree_view = gtk_tree_view_new_with_model (bottom_right_tree_model);
782
783 for (i = 0; i < 10; i++)
784 {
785 GtkTreeIter iter;
786 gchar *string = g_strdup_printf ("%d", i);
787 gtk_list_store_append (GTK_LIST_STORE (sample_model), &iter);
788 gtk_list_store_set (GTK_LIST_STORE (sample_model), &iter, 0, string, -1);
789 g_free (string);
790 }
791
792 /* Set up the test windows. */
793 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
794 g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
795 gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
796 gtk_window_set_title (GTK_WINDOW (window), "Top Window");
797 swindow = gtk_scrolled_window_new (NULL, NULL);
798 gtk_container_add (GTK_CONTAINER (window), swindow);
799 gtk_container_add (GTK_CONTAINER (swindow), sample_tree_view_top);
800 gtk_widget_show_all (window);
801
802 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
803 g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
804 gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
805 gtk_window_set_title (GTK_WINDOW (window), "Bottom Window");
806 swindow = gtk_scrolled_window_new (NULL, NULL);
807 gtk_container_add (GTK_CONTAINER (window), swindow);
808 gtk_container_add (GTK_CONTAINER (swindow), sample_tree_view_bottom);
809 gtk_widget_show_all (window);
810
811 /* Set up the main window */
812 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
813 g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
814 gtk_window_set_default_size (GTK_WINDOW (window), 500, 300);
815 vbox = gtk_vbox_new (FALSE, 8);
816 gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
817 gtk_container_add (GTK_CONTAINER (window), vbox);
818
819 hbox = gtk_hbox_new (FALSE, 8);
820 gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
821
822 /* Left Pane */
823 cell = gtk_cell_renderer_text_new ();
824
825 swindow = gtk_scrolled_window_new (NULL, NULL);
826 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
827 left_tree_view = gtk_tree_view_new_with_model (left_tree_model);
828 gtk_container_add (GTK_CONTAINER (swindow), left_tree_view);
829 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (left_tree_view), -1,
830 "Unattached Columns", cell, "text", 0, NULL);
831 cell = gtk_cell_renderer_toggle_new ();
832 g_signal_connect (cell, "toggled", G_CALLBACK (set_visible), left_tree_view);
833 column = gtk_tree_view_column_new_with_attributes ("Visible", cell, NULL);
834 gtk_tree_view_append_column (GTK_TREE_VIEW (left_tree_view), column);
835
836 gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
837 gtk_box_pack_start (GTK_BOX (hbox), swindow, TRUE, TRUE, 0);
838
839 /* Middle Pane */
840 vbox2 = gtk_vbox_new (FALSE, 8);
841 gtk_box_pack_start (GTK_BOX (hbox), vbox2, FALSE, FALSE, 0);
842
843 bbox = gtk_vbutton_box_new ();
844 gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_SPREAD);
845 gtk_box_pack_start (GTK_BOX (vbox2), bbox, TRUE, TRUE, 0);
846
847 button = gtk_button_new_with_mnemonic ("<< (_Q)");
848 gtk_widget_set_sensitive (button, FALSE);
849 g_signal_connect (button, "clicked", G_CALLBACK (add_left_clicked), top_right_tree_view);
850 g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (top_right_tree_view)),
851 "changed", G_CALLBACK (selection_changed), button);
852 gtk_box_pack_start (GTK_BOX (bbox), button, FALSE, FALSE, 0);
853
854 button = gtk_button_new_with_mnemonic (">> (_W)");
855 gtk_widget_set_sensitive (button, FALSE);
856 g_signal_connect (button, "clicked", G_CALLBACK (add_right_clicked), top_right_tree_view);
857 g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view)),
858 "changed", G_CALLBACK (selection_changed), button);
859 gtk_box_pack_start (GTK_BOX (bbox), button, FALSE, FALSE, 0);
860
861 bbox = gtk_vbutton_box_new ();
862 gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_SPREAD);
863 gtk_box_pack_start (GTK_BOX (vbox2), bbox, TRUE, TRUE, 0);
864
865 button = gtk_button_new_with_mnemonic ("<< (_E)");
866 gtk_widget_set_sensitive (button, FALSE);
867 g_signal_connect (button, "clicked", G_CALLBACK (add_left_clicked), bottom_right_tree_view);
868 g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (bottom_right_tree_view)),
869 "changed", G_CALLBACK (selection_changed), button);
870 gtk_box_pack_start (GTK_BOX (bbox), button, FALSE, FALSE, 0);
871
872 button = gtk_button_new_with_mnemonic (">> (_R)");
873 gtk_widget_set_sensitive (button, FALSE);
874 g_signal_connect (button, "clicked", G_CALLBACK (add_right_clicked), bottom_right_tree_view);
875 g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view)),
876 "changed", G_CALLBACK (selection_changed), button);
877 gtk_box_pack_start (GTK_BOX (bbox), button, FALSE, FALSE, 0);
878
879
880 /* Right Pane */
881 vbox2 = gtk_vbox_new (FALSE, 8);
882 gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
883
884 swindow = gtk_scrolled_window_new (NULL, NULL);
885 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
886 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (top_right_tree_view), FALSE);
887 cell = gtk_cell_renderer_text_new ();
888 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (top_right_tree_view), -1,
889 NULL, cell, "text", 0, NULL);
890 cell = gtk_cell_renderer_toggle_new ();
891 g_signal_connect (cell, "toggled", G_CALLBACK (set_visible), top_right_tree_view);
892 column = gtk_tree_view_column_new_with_attributes (NULL, cell, NULL);
893 gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
894 gtk_tree_view_append_column (GTK_TREE_VIEW (top_right_tree_view), column);
895
896 gtk_container_add (GTK_CONTAINER (swindow), top_right_tree_view);
897 gtk_box_pack_start (GTK_BOX (vbox2), swindow, TRUE, TRUE, 0);
898
899 swindow = gtk_scrolled_window_new (NULL, NULL);
900 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
901 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (bottom_right_tree_view), FALSE);
902 cell = gtk_cell_renderer_text_new ();
903 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (bottom_right_tree_view), -1,
904 NULL, cell, "text", 0, NULL);
905 cell = gtk_cell_renderer_toggle_new ();
906 g_signal_connect (cell, "toggled", G_CALLBACK (set_visible), bottom_right_tree_view);
907 column = gtk_tree_view_column_new_with_attributes (NULL, cell, NULL);
908 gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
909 gtk_tree_view_append_column (GTK_TREE_VIEW (bottom_right_tree_view), column);
910 gtk_container_add (GTK_CONTAINER (swindow), bottom_right_tree_view);
911 gtk_box_pack_start (GTK_BOX (vbox2), swindow, TRUE, TRUE, 0);
912
913
914 /* Drag and Drop */
915 gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (left_tree_view),
916 GDK_BUTTON1_MASK,
917 row_targets,
918 G_N_ELEMENTS (row_targets),
919 GDK_ACTION_MOVE);
920 gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (left_tree_view),
921 row_targets,
922 G_N_ELEMENTS (row_targets),
923 GDK_ACTION_MOVE);
924
925 gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (top_right_tree_view),
926 GDK_BUTTON1_MASK,
927 row_targets,
928 G_N_ELEMENTS (row_targets),
929 GDK_ACTION_MOVE);
930 gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (top_right_tree_view),
931 row_targets,
932 G_N_ELEMENTS (row_targets),
933 GDK_ACTION_MOVE);
934
935 gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (bottom_right_tree_view),
936 GDK_BUTTON1_MASK,
937 row_targets,
938 G_N_ELEMENTS (row_targets),
939 GDK_ACTION_MOVE);
940 gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (bottom_right_tree_view),
941 row_targets,
942 G_N_ELEMENTS (row_targets),
943 GDK_ACTION_MOVE);
944
945
946 gtk_box_pack_start (GTK_BOX (vbox), gtk_hseparator_new (), FALSE, FALSE, 0);
947
948 hbox = gtk_hbox_new (FALSE, 8);
949 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
950 button = gtk_button_new_with_mnemonic ("_Add new Column");
951 g_signal_connect (button, "clicked", G_CALLBACK (add_clicked), left_tree_model);
952 gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
953
954 gtk_widget_show_all (window);
955 gtk_main ();
956
957 return 0;
958 }
959