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"));
60 /* moves iter to the next iter in the model in the display order
61 * inside a treeview. Returns FALSE if no more rows exist.
64 tree_model_iter_step (GtkTreeModel *model,
69 if (gtk_tree_model_iter_children (model, &tmp, iter))
78 if (gtk_tree_model_iter_next (model, iter))
81 while (gtk_tree_model_iter_parent (model, iter, &tmp));
87 delete (GtkTreeView *treeview)
89 guint n_rows = get_rows (treeview);
90 guint i = g_random_int_range (0, n_rows);
94 model = gtk_tree_view_get_model (treeview);
96 if (!gtk_tree_model_get_iter_first (model, &iter))
101 if (!tree_model_iter_step (model, &iter))
103 g_assert_not_reached ();
108 n_rows -= count_children (model, &iter) + 1;
109 gtk_tree_store_remove (GTK_TREE_STORE (model), &iter);
110 set_rows (treeview, n_rows);
114 add_one (GtkTreeModel *model,
117 guint n = gtk_tree_model_iter_n_children (model, iter);
118 static guint counter = 0;
120 if (n > 0 && g_random_boolean ())
123 gtk_tree_model_iter_nth_child (model, &child, iter, g_random_int_range (0, n));
124 add_one (model, &child);
128 gtk_tree_store_insert_with_values (GTK_TREE_STORE (model),
131 g_random_int_range (-1, n),
137 add (GtkTreeView *treeview)
141 model = gtk_tree_view_get_model (treeview);
142 add_one (model, NULL);
144 set_rows (treeview, get_rows (treeview) + 1);
148 add_or_delete (GtkTreeView *treeview)
150 guint n_rows = get_rows (treeview);
152 if (g_random_int_range (MIN_ROWS, MAX_ROWS) >= n_rows)
158 /* XXX: We only expand/collapse from the top and not randomly */
160 expand (GtkTreeView *treeview)
167 model = gtk_tree_view_get_model (treeview);
169 for (valid = gtk_tree_model_get_iter_first (model, &iter);
171 valid = tree_model_iter_step (model, &iter))
173 if (gtk_tree_model_iter_has_child (model, &iter))
175 path = gtk_tree_model_get_path (model, &iter);
176 if (!gtk_tree_view_row_expanded (treeview, path))
178 gtk_tree_view_expand_row (treeview, path, FALSE);
179 gtk_tree_path_free (path);
182 gtk_tree_path_free (path);
188 collapse (GtkTreeView *treeview)
192 GtkTreePath *last, *path;
195 model = gtk_tree_view_get_model (treeview);
198 for (valid = gtk_tree_model_get_iter_first (model, &iter);
200 valid = tree_model_iter_step (model, &iter))
202 path = gtk_tree_model_get_path (model, &iter);
203 if (gtk_tree_view_row_expanded (treeview, path))
206 gtk_tree_path_free (last);
210 gtk_tree_path_free (path);
215 gtk_tree_view_collapse_row (treeview, last);
216 gtk_tree_path_free (last);
221 check_cursor (GtkTreeView *treeview)
223 GtkTreeRowReference *ref = g_object_get_data (G_OBJECT (treeview), "cursor");
224 GtkTreePath *expected, *cursor;
226 gtk_tree_view_get_cursor (treeview, &cursor, NULL);
229 g_assert (cursor == NULL);
233 g_assert (cursor != NULL);
234 g_assert (gtk_tree_row_reference_valid (ref));
236 expected = gtk_tree_row_reference_get_path (ref);
237 g_assert (expected != NULL);
238 g_assert (gtk_tree_path_compare (expected, cursor) == 0);
240 gtk_tree_path_free (expected);
244 gtk_tree_path_free (cursor);
248 check_sanity (GtkTreeView *treeview)
250 check_cursor (treeview);
254 dance (gpointer treeview)
256 static const DoStuffFunc funcs[] = {
264 i = g_random_int_range (0, G_N_ELEMENTS(funcs));
268 check_sanity (treeview);
274 cursor_changed_cb (GtkTreeView *treeview,
278 GtkTreeRowReference *ref;
280 gtk_tree_view_get_cursor (treeview, &path, NULL);
283 ref = gtk_tree_row_reference_new (gtk_tree_view_get_model (treeview),
285 gtk_tree_path_free (path);
289 g_object_set_data_full (G_OBJECT (treeview), "cursor", ref, (GDestroyNotify) gtk_tree_row_reference_free);
293 setup_sanity_checks (GtkTreeView *treeview)
295 g_signal_connect (treeview, "cursor-changed", G_CALLBACK (cursor_changed_cb), NULL);
296 cursor_changed_cb (treeview, NULL);
309 gtk_init (&argc, &argv);
311 if (g_getenv ("RTL"))
312 gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
314 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
315 g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
316 gtk_window_set_default_size (GTK_WINDOW (window), 430, 400);
318 sw = gtk_scrolled_window_new (NULL, NULL);
319 gtk_widget_set_hexpand (sw, TRUE);
320 gtk_widget_set_vexpand (sw, TRUE);
321 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
322 GTK_POLICY_AUTOMATIC,
323 GTK_POLICY_AUTOMATIC);
324 gtk_container_add (GTK_CONTAINER (window), sw);
326 model = GTK_TREE_MODEL (gtk_tree_store_new (1, G_TYPE_UINT));
327 treeview = gtk_tree_view_new_with_model (model);
328 g_object_unref (model);
329 setup_sanity_checks (GTK_TREE_VIEW (treeview));
330 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
333 gtk_cell_renderer_text_new (),
336 for (i = 0; i < (MIN_ROWS + MAX_ROWS) / 2; i++)
337 add (GTK_TREE_VIEW (treeview));
338 gtk_container_add (GTK_CONTAINER (sw), treeview);
340 create_prop_editor (G_OBJECT (treeview), GTK_TYPE_TREE_VIEW);
341 create_prop_editor (G_OBJECT (gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview))), GTK_TYPE_TREE_SELECTION);
343 gtk_widget_show_all (window);
345 g_idle_add (dance, treeview);