1 /* testiconview-keynav.c
2 * Copyright (C) 2010 Red Hat, Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
17 * Author: Matthias Clasen
21 * This example demonstrates how to use the keynav-failed signal to
22 * extend arrow keynav over adjacent icon views. This can be used when
31 static GtkListStore *store;
35 return (GtkTreeModel *) g_object_ref (store);
37 store = gtk_list_store_new (1, G_TYPE_STRING);
39 gtk_list_store_append (store, &iter);
40 gtk_list_store_set (store, &iter, 0, "One", -1);
41 gtk_list_store_append (store, &iter);
42 gtk_list_store_set (store, &iter, 0, "Two", -1);
43 gtk_list_store_append (store, &iter);
44 gtk_list_store_set (store, &iter, 0, "Three", -1);
45 gtk_list_store_append (store, &iter);
46 gtk_list_store_set (store, &iter, 0, "Four", -1);
47 gtk_list_store_append (store, &iter);
48 gtk_list_store_set (store, &iter, 0, "Five", -1);
49 gtk_list_store_append (store, &iter);
50 gtk_list_store_set (store, &iter, 0, "Six", -1);
51 gtk_list_store_append (store, &iter);
52 gtk_list_store_set (store, &iter, 0, "Seven", -1);
53 gtk_list_store_append (store, &iter);
54 gtk_list_store_set (store, &iter, 0, "Eight", -1);
56 return (GtkTreeModel *) store;
60 visible_func (GtkTreeModel *model,
64 gboolean first = GPOINTER_TO_INT (data);
68 path = gtk_tree_model_get_path (model, iter);
70 if (gtk_tree_path_get_indices (path)[0] < 4)
75 gtk_tree_path_free (path);
81 get_filter_model (gboolean first)
83 GtkTreeModelFilter *model;
85 model = (GtkTreeModelFilter *)gtk_tree_model_filter_new (get_model (), NULL);
87 gtk_tree_model_filter_set_visible_func (model, visible_func, GINT_TO_POINTER (first), NULL);
89 return (GtkTreeModel *) model;
93 get_view (gboolean first)
97 view = gtk_icon_view_new_with_model (get_filter_model (first));
98 gtk_icon_view_set_text_column (GTK_ICON_VIEW (view), 0);
99 gtk_widget_set_size_request (view, 0, -1);
113 keynav_failed (GtkWidget *view,
114 GtkDirectionType direction,
123 if (view == views->view1 && direction == GTK_DIR_DOWN)
125 if (gtk_icon_view_get_cursor (GTK_ICON_VIEW (views->view1), &path, NULL))
127 col = gtk_icon_view_get_item_column (GTK_ICON_VIEW (views->view1), path);
128 gtk_tree_path_free (path);
131 model = gtk_icon_view_get_model (GTK_ICON_VIEW (views->view2));
132 gtk_tree_model_get_iter_first (model, &iter);
134 path = gtk_tree_model_get_path (model, &iter);
135 if (gtk_icon_view_get_item_column (GTK_ICON_VIEW (views->view2), path) == col)
140 } while (gtk_tree_model_iter_next (model, &iter));
142 gtk_icon_view_set_cursor (GTK_ICON_VIEW (views->view2), sel, NULL, FALSE);
143 gtk_tree_path_free (sel);
145 gtk_widget_grab_focus (views->view2);
149 if (view == views->view2 && direction == GTK_DIR_UP)
151 if (gtk_icon_view_get_cursor (GTK_ICON_VIEW (views->view2), &path, NULL))
153 col = gtk_icon_view_get_item_column (GTK_ICON_VIEW (views->view2), path);
154 gtk_tree_path_free (path);
157 model = gtk_icon_view_get_model (GTK_ICON_VIEW (views->view1));
158 gtk_tree_model_get_iter_first (model, &iter);
160 path = gtk_tree_model_get_path (model, &iter);
161 if (gtk_icon_view_get_item_column (GTK_ICON_VIEW (views->view1), path) == col)
164 gtk_tree_path_free (sel);
168 gtk_tree_path_free (path);
169 } while (gtk_tree_model_iter_next (model, &iter));
171 gtk_icon_view_set_cursor (GTK_ICON_VIEW (views->view1), sel, NULL, FALSE);
172 gtk_tree_path_free (sel);
174 gtk_widget_grab_focus (views->view1);
182 focus_out (GtkWidget *view,
183 GdkEventFocus *event,
186 gtk_icon_view_unselect_all (GTK_ICON_VIEW (view));
192 focus_in (GtkWidget *view,
193 GdkEventFocus *event,
198 if (!gtk_icon_view_get_cursor (GTK_ICON_VIEW (view), &path, NULL))
200 path = gtk_tree_path_new_from_indices (0, -1);
201 gtk_icon_view_set_cursor (GTK_ICON_VIEW (view), path, NULL, FALSE);
204 gtk_icon_view_select_path (GTK_ICON_VIEW (view), path);
205 gtk_tree_path_free (path);
212 " background-color: @base_color;\n" \
218 GtkCssProvider *provider;
221 provider = gtk_css_provider_new ();
223 if (!gtk_css_provider_load_from_data (provider, CSS, -1, NULL))
225 g_assert_not_reached ();
228 screen = gdk_display_get_default_screen (gdk_display_get_default ());
230 gtk_style_context_add_provider_for_screen (screen, GTK_STYLE_PROVIDER (provider),
231 GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
235 main (int argc, char *argv[])
241 gtk_init (&argc, &argv);
245 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
246 vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
247 gtk_container_add (GTK_CONTAINER (window), vbox);
249 views.header1 = g_object_new (GTK_TYPE_LABEL,
250 "label", "<b>Group 1</b>",
254 views.view1 = get_view (TRUE);
255 views.header2 = g_object_new (GTK_TYPE_LABEL,
256 "label", "<b>Group 2</b>",
260 views.view2 = get_view (FALSE);
262 g_signal_connect (views.view1, "keynav-failed",
263 G_CALLBACK (keynav_failed), &views);
264 g_signal_connect (views.view2, "keynav-failed",
265 G_CALLBACK (keynav_failed), &views);
266 g_signal_connect (views.view1, "focus-in-event",
267 G_CALLBACK (focus_in), NULL);
268 g_signal_connect (views.view1, "focus-out-event",
269 G_CALLBACK (focus_out), NULL);
270 g_signal_connect (views.view2, "focus-in-event",
271 G_CALLBACK (focus_in), NULL);
272 g_signal_connect (views.view2, "focus-out-event",
273 G_CALLBACK (focus_out), NULL);
275 gtk_container_add (GTK_CONTAINER (vbox), views.header1);
276 gtk_container_add (GTK_CONTAINER (vbox), views.view1);
277 gtk_container_add (GTK_CONTAINER (vbox), views.header2);
278 gtk_container_add (GTK_CONTAINER (vbox), views.view2);
280 gtk_widget_show_all (window);