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, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
21 #include "prop-editor.h"
27 typedef void (* DoStuffFunc) (GtkTreeView *treeview);
30 count_children (GtkTreeModel *model,
37 for (valid = gtk_tree_model_iter_children (model, &iter, parent);
39 valid = gtk_tree_model_iter_next (model, &iter))
41 count += count_children (model, &iter) + 1;
48 set_rows (GtkTreeView *treeview, guint i)
50 g_assert (i == count_children (gtk_tree_view_get_model (treeview), NULL));
51 g_object_set_data (G_OBJECT (treeview), "rows", GUINT_TO_POINTER (i));
55 get_rows (GtkTreeView *treeview)
57 return GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (treeview), "rows"));
61 log_operation_for_path (GtkTreePath *path,
62 const char *operation_name)
66 path_string = path ? gtk_tree_path_to_string (path) : g_strdup ("");
68 g_printerr ("%10s %s\n", operation_name, path_string);
74 log_operation (GtkTreeModel *model,
76 const char *operation_name)
80 path = gtk_tree_model_get_path (model, iter);
82 log_operation_for_path (path, operation_name);
84 gtk_tree_path_free (path);
87 /* moves iter to the next iter in the model in the display order
88 * inside a treeview. Returns FALSE if no more rows exist.
91 tree_model_iter_step (GtkTreeModel *model,
96 if (gtk_tree_model_iter_children (model, &tmp, iter))
105 if (gtk_tree_model_iter_next (model, iter))
108 while (gtk_tree_model_iter_parent (model, iter, &tmp));
113 /* NB: may include invisible iters (because they are collapsed) */
115 tree_view_random_iter (GtkTreeView *treeview,
118 guint n_rows = get_rows (treeview);
119 guint i = g_random_int_range (0, n_rows);
122 model = gtk_tree_view_get_model (treeview);
124 if (!gtk_tree_model_get_iter_first (model, iter))
129 if (!tree_model_iter_step (model, iter))
131 g_assert_not_reached ();
140 delete (GtkTreeView *treeview)
142 guint n_rows = get_rows (treeview);
146 model = gtk_tree_view_get_model (treeview);
148 tree_view_random_iter (treeview, &iter);
150 n_rows -= count_children (model, &iter) + 1;
151 log_operation (model, &iter, "remove");
152 gtk_tree_store_remove (GTK_TREE_STORE (model), &iter);
153 set_rows (treeview, n_rows);
157 add_one (GtkTreeModel *model,
160 guint n = gtk_tree_model_iter_n_children (model, iter);
161 GtkTreeIter new_iter;
162 static guint counter = 0;
164 if (n > 0 && g_random_boolean ())
167 gtk_tree_model_iter_nth_child (model, &child, iter, g_random_int_range (0, n));
168 add_one (model, &child);
172 gtk_tree_store_insert_with_values (GTK_TREE_STORE (model),
175 g_random_int_range (-1, n),
178 log_operation (model, &new_iter, "add");
182 add (GtkTreeView *treeview)
186 model = gtk_tree_view_get_model (treeview);
187 add_one (model, NULL);
189 set_rows (treeview, get_rows (treeview) + 1);
193 add_or_delete (GtkTreeView *treeview)
195 guint n_rows = get_rows (treeview);
197 if (g_random_int_range (MIN_ROWS, MAX_ROWS) >= n_rows)
203 /* XXX: We only expand/collapse from the top and not randomly */
205 expand (GtkTreeView *treeview)
212 model = gtk_tree_view_get_model (treeview);
214 for (valid = gtk_tree_model_get_iter_first (model, &iter);
216 valid = tree_model_iter_step (model, &iter))
218 if (gtk_tree_model_iter_has_child (model, &iter))
220 path = gtk_tree_model_get_path (model, &iter);
221 if (!gtk_tree_view_row_expanded (treeview, path))
223 log_operation (model, &iter, "expand");
224 gtk_tree_view_expand_row (treeview, path, FALSE);
225 gtk_tree_path_free (path);
228 gtk_tree_path_free (path);
234 collapse (GtkTreeView *treeview)
238 GtkTreePath *last, *path;
241 model = gtk_tree_view_get_model (treeview);
244 for (valid = gtk_tree_model_get_iter_first (model, &iter);
246 valid = tree_model_iter_step (model, &iter))
248 path = gtk_tree_model_get_path (model, &iter);
249 if (gtk_tree_view_row_expanded (treeview, path))
252 gtk_tree_path_free (last);
256 gtk_tree_path_free (path);
261 log_operation_for_path (last, "collapse");
262 gtk_tree_view_collapse_row (treeview, last);
263 gtk_tree_path_free (last);
268 select_ (GtkTreeView *treeview)
272 tree_view_random_iter (treeview, &iter);
274 log_operation (gtk_tree_view_get_model (treeview), &iter, "select");
275 gtk_tree_selection_select_iter (gtk_tree_view_get_selection (treeview),
280 unselect (GtkTreeView *treeview)
284 tree_view_random_iter (treeview, &iter);
286 log_operation (gtk_tree_view_get_model (treeview), &iter, "unselect");
287 gtk_tree_selection_unselect_iter (gtk_tree_view_get_selection (treeview),
292 reset_model (GtkTreeView *treeview)
294 GtkTreeSelection *selection;
296 GList *list, *selected;
299 selection = gtk_tree_view_get_selection (treeview);
300 model = g_object_ref (gtk_tree_view_get_model (treeview));
302 log_operation_for_path (NULL, "reset");
304 selected = gtk_tree_selection_get_selected_rows (selection, NULL);
305 gtk_tree_view_get_cursor (treeview, &cursor, NULL);
307 gtk_tree_view_set_model (treeview, NULL);
308 gtk_tree_view_set_model (treeview, model);
312 gtk_tree_view_set_cursor (treeview, cursor, NULL, FALSE);
313 gtk_tree_path_free (cursor);
315 for (list = selected; list; list = list->next)
317 gtk_tree_selection_select_path (selection, list->data);
319 g_list_free_full (selected, (GDestroyNotify) gtk_tree_path_free);
321 g_object_unref (model);
327 assert_row_reference_is_path (GtkTreeRowReference *ref,
330 GtkTreePath *expected;
334 g_assert (path == NULL);
338 g_assert (path != NULL);
339 g_assert (gtk_tree_row_reference_valid (ref));
341 expected = gtk_tree_row_reference_get_path (ref);
342 g_assert (expected != NULL);
343 g_assert (gtk_tree_path_compare (expected, path) == 0);
344 gtk_tree_path_free (expected);
348 check_cursor (GtkTreeView *treeview)
350 GtkTreeRowReference *ref = g_object_get_data (G_OBJECT (treeview), "cursor");
353 gtk_tree_view_get_cursor (treeview, &cursor, NULL);
354 assert_row_reference_is_path (ref, cursor);
357 gtk_tree_path_free (cursor);
361 check_selection_item (GtkTreeModel *model,
366 GList **list = listp;
369 assert_row_reference_is_path ((*list)->data, path);
370 *list = (*list)->next;
374 check_selection (GtkTreeView *treeview)
376 GList *selection = g_object_get_data (G_OBJECT (treeview), "selection");
378 gtk_tree_selection_selected_foreach (gtk_tree_view_get_selection (treeview),
379 check_selection_item,
384 check_sanity (GtkTreeView *treeview)
386 check_cursor (treeview);
387 check_selection (treeview);
391 dance (gpointer treeview)
393 static const DoStuffFunc funcs[] = {
404 i = g_random_int_range (0, G_N_ELEMENTS(funcs));
408 check_sanity (treeview);
414 cursor_changed_cb (GtkTreeView *treeview,
418 GtkTreeRowReference *ref;
420 gtk_tree_view_get_cursor (treeview, &path, NULL);
423 ref = gtk_tree_row_reference_new (gtk_tree_view_get_model (treeview),
425 gtk_tree_path_free (path);
429 g_object_set_data_full (G_OBJECT (treeview), "cursor", ref, (GDestroyNotify) gtk_tree_row_reference_free);
433 selection_list_free (gpointer list)
435 g_list_free_full (list, (GDestroyNotify) gtk_tree_row_reference_free);
439 selection_changed_cb (GtkTreeSelection *tree_selection,
442 GList *selected, *list;
445 selected = gtk_tree_selection_get_selected_rows (tree_selection, &model);
447 for (list = selected; list; list = list->next)
449 GtkTreePath *path = list->data;
451 list->data = gtk_tree_row_reference_new (model, path);
452 gtk_tree_path_free (path);
455 g_object_set_data_full (G_OBJECT (gtk_tree_selection_get_tree_view (tree_selection)),
458 selection_list_free);
462 setup_sanity_checks (GtkTreeView *treeview)
464 g_signal_connect (treeview, "cursor-changed", G_CALLBACK (cursor_changed_cb), NULL);
465 cursor_changed_cb (treeview, NULL);
466 g_signal_connect (gtk_tree_view_get_selection (treeview), "changed", G_CALLBACK (selection_changed_cb), NULL);
467 selection_changed_cb (gtk_tree_view_get_selection (treeview), NULL);
480 gtk_init (&argc, &argv);
482 if (g_getenv ("RTL"))
483 gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
485 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
486 g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
487 gtk_window_set_default_size (GTK_WINDOW (window), 430, 400);
489 sw = gtk_scrolled_window_new (NULL, NULL);
490 gtk_widget_set_hexpand (sw, TRUE);
491 gtk_widget_set_vexpand (sw, TRUE);
492 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
493 GTK_POLICY_AUTOMATIC,
494 GTK_POLICY_AUTOMATIC);
495 gtk_container_add (GTK_CONTAINER (window), sw);
497 model = GTK_TREE_MODEL (gtk_tree_store_new (1, G_TYPE_UINT));
498 treeview = gtk_tree_view_new_with_model (model);
499 g_object_unref (model);
500 setup_sanity_checks (GTK_TREE_VIEW (treeview));
501 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
504 gtk_cell_renderer_text_new (),
507 for (i = 0; i < (MIN_ROWS + MAX_ROWS) / 2; i++)
508 add (GTK_TREE_VIEW (treeview));
509 gtk_container_add (GTK_CONTAINER (sw), treeview);
511 create_prop_editor (G_OBJECT (treeview), GTK_TYPE_TREE_VIEW);
512 create_prop_editor (G_OBJECT (gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview))), GTK_TYPE_TREE_SELECTION);
514 gtk_widget_show_all (window);
516 g_idle_add (dance, treeview);