1 /* GAIL - The GNOME Accessibility Implementation Library
2 * Copyright 2001, 2002, 2003 Sun Microsystems Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
24 #include <gtk/gtkeventbox.h>
25 #include <gtk/gtkscrolledwindow.h>
26 #include <gtk/gtkframe.h>
27 #include <gtk/gtkmenu.h>
28 #include <gtk/gtkmenuitem.h>
29 #include <gtk/gtkbutton.h>
31 #include "gtktoplevelaccessible.h"
33 struct _GtkToplevelAccessiblePrivate
38 G_DEFINE_TYPE (GtkToplevelAccessible, _gtk_toplevel_accessible, ATK_TYPE_OBJECT)
41 gtk_toplevel_accessible_initialize (AtkObject *accessible,
44 ATK_OBJECT_CLASS (_gtk_toplevel_accessible_parent_class)->initialize (accessible, data);
46 accessible->role = ATK_ROLE_APPLICATION;
47 accessible->name = g_get_prgname ();
48 accessible->accessible_parent = NULL;
52 gtk_toplevel_accessible_object_finalize (GObject *obj)
54 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (obj);
56 if (toplevel->priv->window_list)
57 g_list_free (toplevel->priv->window_list);
59 G_OBJECT_CLASS (_gtk_toplevel_accessible_parent_class)->finalize (obj);
63 gtk_toplevel_accessible_get_n_children (AtkObject *obj)
65 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (obj);
67 return g_list_length (toplevel->priv->window_list);
71 gtk_toplevel_accessible_ref_child (AtkObject *obj,
74 GtkToplevelAccessible *toplevel;
78 toplevel = GTK_TOPLEVEL_ACCESSIBLE (obj);
79 widget = g_list_nth_data (toplevel->priv->window_list, i);
83 atk_obj = gtk_widget_get_accessible (widget);
85 g_object_ref (atk_obj);
91 is_combo_window (GtkWidget *widget)
96 child = gtk_bin_get_child (GTK_BIN (widget));
98 if (!GTK_IS_EVENT_BOX (child))
101 child = gtk_bin_get_child (GTK_BIN (child));
103 if (!GTK_IS_FRAME (child))
106 child = gtk_bin_get_child (GTK_BIN (child));
108 if (!GTK_IS_SCROLLED_WINDOW (child))
111 obj = gtk_widget_get_accessible (child);
112 obj = atk_object_get_parent (obj);
118 is_attached_menu_window (GtkWidget *widget)
122 child = gtk_bin_get_child (GTK_BIN (widget));
123 if (GTK_IS_MENU (child))
127 attach = gtk_menu_get_attach_widget (GTK_MENU (child));
128 /* Allow for menu belonging to the Panel Menu, which is a GtkButton */
129 if (GTK_IS_MENU_ITEM (attach) || GTK_IS_BUTTON (attach))
137 _gtk_toplevel_accessible_class_init (GtkToplevelAccessibleClass *klass)
139 AtkObjectClass *class = ATK_OBJECT_CLASS(klass);
140 GObjectClass *g_object_class = G_OBJECT_CLASS(klass);
142 class->initialize = gtk_toplevel_accessible_initialize;
143 class->get_n_children = gtk_toplevel_accessible_get_n_children;
144 class->ref_child = gtk_toplevel_accessible_ref_child;
145 class->get_parent = NULL;
147 g_object_class->finalize = gtk_toplevel_accessible_object_finalize;
149 g_type_class_add_private (klass, sizeof (GtkToplevelAccessiblePrivate));
153 remove_child (GtkToplevelAccessible *toplevel,
156 AtkObject *atk_obj = ATK_OBJECT (toplevel);
158 guint window_count = 0;
161 if (toplevel->priv->window_list)
163 GtkWindow *tmp_window;
165 for (l = toplevel->priv->window_list; l; l = l->next)
167 tmp_window = GTK_WINDOW (l->data);
169 if (window == tmp_window)
171 /* Remove the window from the window_list & emit the signal */
172 toplevel->priv->window_list = g_list_delete_link (toplevel->priv->window_list, l);
173 child = gtk_widget_get_accessible (GTK_WIDGET (window));
174 g_signal_emit_by_name (atk_obj, "children-changed::remove",
175 window_count, child, NULL);
176 atk_object_set_parent (child, NULL);
186 show_event_watcher (GSignalInvocationHint *ihint,
187 guint n_param_values,
188 const GValue *param_values,
191 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (data);
192 AtkObject *atk_obj = ATK_OBJECT (toplevel);
198 object = g_value_get_object (param_values + 0);
200 if (!GTK_IS_WINDOW (object))
203 widget = GTK_WIDGET (object);
204 if (gtk_widget_get_parent (widget) ||
205 is_attached_menu_window (widget) ||
206 #ifdef GDK_WINDOWING_X11
207 GTK_IS_PLUG (widget) ||
209 is_combo_window (widget))
212 child = gtk_widget_get_accessible (widget);
213 if (atk_object_get_role (child) == ATK_ROLE_REDUNDANT_OBJECT ||
214 atk_object_get_role (child) == ATK_ROLE_TOOL_TIP)
217 /* Add the window to the list & emit the signal */
218 toplevel->priv->window_list = g_list_append (toplevel->priv->window_list, widget);
219 n_children = g_list_length (toplevel->priv->window_list);
221 atk_object_set_parent (child, atk_obj);
222 g_signal_emit_by_name (atk_obj, "children-changed::add",
223 n_children - 1, child, NULL);
225 g_signal_connect_swapped (G_OBJECT(object), "destroy",
226 G_CALLBACK (remove_child), toplevel);
232 hide_event_watcher (GSignalInvocationHint *ihint,
233 guint n_param_values,
234 const GValue *param_values,
237 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (data);
240 object = g_value_get_object (param_values + 0);
242 if (!GTK_IS_WINDOW (object))
245 remove_child (toplevel, GTK_WINDOW (object));
250 _gtk_toplevel_accessible_init (GtkToplevelAccessible *toplevel)
257 toplevel->priv = G_TYPE_INSTANCE_GET_PRIVATE (toplevel,
258 GTK_TYPE_TOPLEVEL_ACCESSIBLE,
259 GtkToplevelAccessiblePrivate);
261 l = toplevel->priv->window_list = gtk_window_list_toplevels ();
265 window = GTK_WINDOW (l->data);
266 widget = GTK_WIDGET (window);
268 !gtk_widget_get_visible (widget) ||
269 is_attached_menu_window (widget) ||
270 #ifdef GDK_WINDOWING_X11
271 GTK_IS_PLUG (window) ||
273 gtk_widget_get_parent (GTK_WIDGET (window)))
275 GList *temp_l = l->next;
277 toplevel->priv->window_list = g_list_delete_link (toplevel->priv->window_list, l);
282 g_signal_connect_swapped (G_OBJECT (window), "destroy",
283 G_CALLBACK (remove_child), toplevel);
288 g_type_class_ref (GTK_TYPE_WINDOW);
290 signal_id = g_signal_lookup ("show", GTK_TYPE_WINDOW);
291 g_signal_add_emission_hook (signal_id, 0,
292 show_event_watcher, toplevel, (GDestroyNotify) NULL);
294 signal_id = g_signal_lookup ("hide", GTK_TYPE_WINDOW);
295 g_signal_add_emission_hook (signal_id, 0,
296 hide_event_watcher, toplevel, (GDestroyNotify) NULL);
300 _gtk_toplevel_accessible_get_children (GtkToplevelAccessible *accessible)
302 return accessible->priv->window_list;