2 * Copyright (C) 2011 Red Hat, Inc
3 * Author: Benjamin Otte <otte@gnome.org>
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.
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.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
19 #include "prop-editor.h"
25 typedef void (* DoStuffFunc) (GtkTreeView *treeview);
28 count_children (GtkTreeModel *model,
35 for (valid = gtk_tree_model_iter_children (model, &iter, parent);
37 valid = gtk_tree_model_iter_next (model, &iter))
39 count += count_children (model, &iter) + 1;
46 set_rows (GtkTreeView *treeview, guint i)
48 g_assert (i == count_children (gtk_tree_view_get_model (treeview), NULL));
49 g_object_set_data (G_OBJECT (treeview), "rows", GUINT_TO_POINTER (i));
53 get_rows (GtkTreeView *treeview)
55 return GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (treeview), "rows"));
59 log_operation_for_path (GtkTreePath *path,
60 const char *operation_name)
64 path_string = path ? gtk_tree_path_to_string (path) : g_strdup ("");
66 g_printerr ("%10s %s\n", operation_name, path_string);
72 log_operation (GtkTreeModel *model,
74 const char *operation_name)
78 path = gtk_tree_model_get_path (model, iter);
80 log_operation_for_path (path, operation_name);
82 gtk_tree_path_free (path);
85 /* moves iter to the next iter in the model in the display order
86 * inside a treeview. Returns FALSE if no more rows exist.
89 tree_model_iter_step (GtkTreeModel *model,
94 if (gtk_tree_model_iter_children (model, &tmp, iter))
103 if (gtk_tree_model_iter_next (model, iter))
106 while (gtk_tree_model_iter_parent (model, iter, &tmp));
111 /* NB: may include invisible iters (because they are collapsed) */
113 tree_view_random_iter (GtkTreeView *treeview,
116 guint n_rows = get_rows (treeview);
117 guint i = g_random_int_range (0, n_rows);
120 model = gtk_tree_view_get_model (treeview);
122 if (!gtk_tree_model_get_iter_first (model, iter))
127 if (!tree_model_iter_step (model, iter))
129 g_assert_not_reached ();
138 delete (GtkTreeView *treeview)
140 guint n_rows = get_rows (treeview);
144 model = gtk_tree_view_get_model (treeview);
146 tree_view_random_iter (treeview, &iter);
148 n_rows -= count_children (model, &iter) + 1;
149 log_operation (model, &iter, "remove");
150 gtk_tree_store_remove (GTK_TREE_STORE (model), &iter);
151 set_rows (treeview, n_rows);
155 add_one (GtkTreeModel *model,
158 guint n = gtk_tree_model_iter_n_children (model, iter);
159 GtkTreeIter new_iter;
160 static guint counter = 0;
162 if (n > 0 && g_random_boolean ())
165 gtk_tree_model_iter_nth_child (model, &child, iter, g_random_int_range (0, n));
166 add_one (model, &child);
170 gtk_tree_store_insert_with_values (GTK_TREE_STORE (model),
173 g_random_int_range (-1, n),
176 log_operation (model, &new_iter, "add");
180 add (GtkTreeView *treeview)
184 model = gtk_tree_view_get_model (treeview);
185 add_one (model, NULL);
187 set_rows (treeview, get_rows (treeview) + 1);
191 add_or_delete (GtkTreeView *treeview)
193 guint n_rows = get_rows (treeview);
195 if (g_random_int_range (MIN_ROWS, MAX_ROWS) >= n_rows)
201 /* XXX: We only expand/collapse from the top and not randomly */
203 expand (GtkTreeView *treeview)
210 model = gtk_tree_view_get_model (treeview);
212 for (valid = gtk_tree_model_get_iter_first (model, &iter);
214 valid = tree_model_iter_step (model, &iter))
216 if (gtk_tree_model_iter_has_child (model, &iter))
218 path = gtk_tree_model_get_path (model, &iter);
219 if (!gtk_tree_view_row_expanded (treeview, path))
221 log_operation (model, &iter, "expand");
222 gtk_tree_view_expand_row (treeview, path, FALSE);
223 gtk_tree_path_free (path);
226 gtk_tree_path_free (path);
232 collapse (GtkTreeView *treeview)
236 GtkTreePath *last, *path;
239 model = gtk_tree_view_get_model (treeview);
242 for (valid = gtk_tree_model_get_iter_first (model, &iter);
244 valid = tree_model_iter_step (model, &iter))
246 path = gtk_tree_model_get_path (model, &iter);
247 if (gtk_tree_view_row_expanded (treeview, path))
250 gtk_tree_path_free (last);
254 gtk_tree_path_free (path);
259 log_operation_for_path (last, "collapse");
260 gtk_tree_view_collapse_row (treeview, last);
261 gtk_tree_path_free (last);
266 select_ (GtkTreeView *treeview)
270 tree_view_random_iter (treeview, &iter);
272 log_operation (gtk_tree_view_get_model (treeview), &iter, "select");
273 gtk_tree_selection_select_iter (gtk_tree_view_get_selection (treeview),
278 unselect (GtkTreeView *treeview)
282 tree_view_random_iter (treeview, &iter);
284 log_operation (gtk_tree_view_get_model (treeview), &iter, "unselect");
285 gtk_tree_selection_unselect_iter (gtk_tree_view_get_selection (treeview),
290 reset_model (GtkTreeView *treeview)
292 GtkTreeSelection *selection;
294 GList *list, *selected;
297 selection = gtk_tree_view_get_selection (treeview);
298 model = g_object_ref (gtk_tree_view_get_model (treeview));
300 log_operation_for_path (NULL, "reset");
302 selected = gtk_tree_selection_get_selected_rows (selection, NULL);
303 gtk_tree_view_get_cursor (treeview, &cursor, NULL);
305 gtk_tree_view_set_model (treeview, NULL);
306 gtk_tree_view_set_model (treeview, model);
310 gtk_tree_view_set_cursor (treeview, cursor, NULL, FALSE);
311 gtk_tree_path_free (cursor);
313 for (list = selected; list; list = list->next)
315 gtk_tree_selection_select_path (selection, list->data);
317 g_list_free_full (selected, (GDestroyNotify) gtk_tree_path_free);
319 g_object_unref (model);
325 assert_row_reference_is_path (GtkTreeRowReference *ref,
328 GtkTreePath *expected;
332 g_assert (path == NULL);
336 g_assert (path != NULL);
337 g_assert (gtk_tree_row_reference_valid (ref));
339 expected = gtk_tree_row_reference_get_path (ref);
340 g_assert (expected != NULL);
341 g_assert (gtk_tree_path_compare (expected, path) == 0);
342 gtk_tree_path_free (expected);
346 check_cursor (GtkTreeView *treeview)
348 GtkTreeRowReference *ref = g_object_get_data (G_OBJECT (treeview), "cursor");
351 gtk_tree_view_get_cursor (treeview, &cursor, NULL);
352 assert_row_reference_is_path (ref, cursor);
355 gtk_tree_path_free (cursor);
359 check_selection_item (GtkTreeModel *model,
364 GList **list = listp;
367 assert_row_reference_is_path ((*list)->data, path);
368 *list = (*list)->next;
372 check_selection (GtkTreeView *treeview)
374 GList *selection = g_object_get_data (G_OBJECT (treeview), "selection");
376 gtk_tree_selection_selected_foreach (gtk_tree_view_get_selection (treeview),
377 check_selection_item,
382 check_sanity (GtkTreeView *treeview)
384 check_cursor (treeview);
385 check_selection (treeview);
389 dance (gpointer treeview)
391 static const DoStuffFunc funcs[] = {
402 i = g_random_int_range (0, G_N_ELEMENTS(funcs));
406 check_sanity (treeview);
408 return G_SOURCE_CONTINUE;
412 cursor_changed_cb (GtkTreeView *treeview,
416 GtkTreeRowReference *ref;
418 gtk_tree_view_get_cursor (treeview, &path, NULL);
421 ref = gtk_tree_row_reference_new (gtk_tree_view_get_model (treeview),
423 gtk_tree_path_free (path);
427 g_object_set_data_full (G_OBJECT (treeview), "cursor", ref, (GDestroyNotify) gtk_tree_row_reference_free);
431 selection_list_free (gpointer list)
433 g_list_free_full (list, (GDestroyNotify) gtk_tree_row_reference_free);
437 selection_changed_cb (GtkTreeSelection *tree_selection,
440 GList *selected, *list;
443 selected = gtk_tree_selection_get_selected_rows (tree_selection, &model);
445 for (list = selected; list; list = list->next)
447 GtkTreePath *path = list->data;
449 list->data = gtk_tree_row_reference_new (model, path);
450 gtk_tree_path_free (path);
453 g_object_set_data_full (G_OBJECT (gtk_tree_selection_get_tree_view (tree_selection)),
456 selection_list_free);
460 setup_sanity_checks (GtkTreeView *treeview)
462 g_signal_connect (treeview, "cursor-changed", G_CALLBACK (cursor_changed_cb), NULL);
463 cursor_changed_cb (treeview, NULL);
464 g_signal_connect (gtk_tree_view_get_selection (treeview), "changed", G_CALLBACK (selection_changed_cb), NULL);
465 selection_changed_cb (gtk_tree_view_get_selection (treeview), NULL);
478 gtk_init (&argc, &argv);
480 if (g_getenv ("RTL"))
481 gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
483 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
484 g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
485 gtk_window_set_default_size (GTK_WINDOW (window), 430, 400);
487 sw = gtk_scrolled_window_new (NULL, NULL);
488 gtk_widget_set_hexpand (sw, TRUE);
489 gtk_widget_set_vexpand (sw, TRUE);
490 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
491 GTK_POLICY_AUTOMATIC,
492 GTK_POLICY_AUTOMATIC);
493 gtk_container_add (GTK_CONTAINER (window), sw);
495 model = GTK_TREE_MODEL (gtk_tree_store_new (1, G_TYPE_UINT));
496 treeview = gtk_tree_view_new_with_model (model);
497 g_object_unref (model);
498 setup_sanity_checks (GTK_TREE_VIEW (treeview));
499 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
502 gtk_cell_renderer_text_new (),
505 for (i = 0; i < (MIN_ROWS + MAX_ROWS) / 2; i++)
506 add (GTK_TREE_VIEW (treeview));
507 gtk_container_add (GTK_CONTAINER (sw), treeview);
509 create_prop_editor (G_OBJECT (treeview), GTK_TYPE_TREE_VIEW);
510 create_prop_editor (G_OBJECT (gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview))), GTK_TYPE_TREE_SELECTION);
512 gtk_widget_show_all (window);
514 g_idle_add (dance, treeview);