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, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
27 #include "gtktoplevelaccessible.h"
30 G_DEFINE_TYPE (GtkToplevelAccessible, _gtk_toplevel_accessible, ATK_TYPE_OBJECT)
33 gtk_toplevel_accessible_initialize (AtkObject *accessible,
36 ATK_OBJECT_CLASS (_gtk_toplevel_accessible_parent_class)->initialize (accessible, data);
38 accessible->role = ATK_ROLE_APPLICATION;
39 accessible->name = g_get_prgname ();
40 accessible->accessible_parent = NULL;
44 gtk_toplevel_accessible_object_finalize (GObject *obj)
46 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (obj);
48 if (toplevel->window_list)
49 g_list_free (toplevel->window_list);
51 G_OBJECT_CLASS (_gtk_toplevel_accessible_parent_class)->finalize (obj);
55 gtk_toplevel_accessible_get_n_children (AtkObject *obj)
57 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (obj);
59 return g_list_length (toplevel->window_list);
63 gtk_toplevel_accessible_ref_child (AtkObject *obj,
66 GtkToplevelAccessible *toplevel;
70 toplevel = GTK_TOPLEVEL_ACCESSIBLE (obj);
71 widget = g_list_nth_data (toplevel->window_list, i);
75 atk_obj = gtk_widget_get_accessible (widget);
77 g_object_ref (atk_obj);
83 is_combo_window (GtkWidget *widget)
88 child = gtk_bin_get_child (GTK_BIN (widget));
90 if (!GTK_IS_EVENT_BOX (child))
93 child = gtk_bin_get_child (GTK_BIN (child));
95 if (!GTK_IS_FRAME (child))
98 child = gtk_bin_get_child (GTK_BIN (child));
100 if (!GTK_IS_SCROLLED_WINDOW (child))
103 obj = gtk_widget_get_accessible (child);
104 obj = atk_object_get_parent (obj);
110 is_attached_menu_window (GtkWidget *widget)
114 child = gtk_bin_get_child (GTK_BIN (widget));
115 if (GTK_IS_MENU (child))
119 attach = gtk_menu_get_attach_widget (GTK_MENU (child));
120 /* Allow for menu belonging to the Panel Menu, which is a GtkButton */
121 if (GTK_IS_MENU_ITEM (attach) || GTK_IS_BUTTON (attach))
129 _gtk_toplevel_accessible_class_init (GtkToplevelAccessibleClass *klass)
131 AtkObjectClass *class = ATK_OBJECT_CLASS(klass);
132 GObjectClass *g_object_class = G_OBJECT_CLASS(klass);
134 class->initialize = gtk_toplevel_accessible_initialize;
135 class->get_n_children = gtk_toplevel_accessible_get_n_children;
136 class->ref_child = gtk_toplevel_accessible_ref_child;
137 class->get_parent = NULL;
139 g_object_class->finalize = gtk_toplevel_accessible_object_finalize;
143 remove_child (GtkToplevelAccessible *toplevel,
146 AtkObject *atk_obj = ATK_OBJECT (toplevel);
148 guint window_count = 0;
151 if (toplevel->window_list)
153 GtkWindow *tmp_window;
155 for (l = toplevel->window_list; l; l = l->next)
157 tmp_window = GTK_WINDOW (l->data);
159 if (window == tmp_window)
161 /* Remove the window from the window_list & emit the signal */
162 toplevel->window_list = g_list_delete_link (toplevel->window_list, l);
163 child = gtk_widget_get_accessible (GTK_WIDGET (window));
164 g_signal_emit_by_name (atk_obj, "children-changed::remove",
165 window_count, child, NULL);
166 atk_object_set_parent (child, NULL);
176 show_event_watcher (GSignalInvocationHint *ihint,
177 guint n_param_values,
178 const GValue *param_values,
181 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (data);
182 AtkObject *atk_obj = ATK_OBJECT (toplevel);
188 object = g_value_get_object (param_values + 0);
190 if (!GTK_IS_WINDOW (object))
193 widget = GTK_WIDGET (object);
194 if (gtk_widget_get_parent (widget) ||
195 is_attached_menu_window (widget) ||
196 #ifdef GDK_WINDOWING_X11
197 GTK_IS_PLUG (widget) ||
199 is_combo_window (widget))
202 child = gtk_widget_get_accessible (widget);
203 if (atk_object_get_role (child) == ATK_ROLE_REDUNDANT_OBJECT ||
204 atk_object_get_role (child) == ATK_ROLE_TOOL_TIP)
207 /* Add the window to the list & emit the signal */
208 toplevel->window_list = g_list_append (toplevel->window_list, widget);
209 n_children = g_list_length (toplevel->window_list);
211 atk_object_set_parent (child, atk_obj);
212 g_signal_emit_by_name (atk_obj, "children-changed::add",
213 n_children - 1, child, NULL);
215 g_signal_connect_swapped (G_OBJECT(object), "destroy",
216 G_CALLBACK (remove_child), toplevel);
222 hide_event_watcher (GSignalInvocationHint *ihint,
223 guint n_param_values,
224 const GValue *param_values,
227 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (data);
230 object = g_value_get_object (param_values + 0);
232 if (!GTK_IS_WINDOW (object))
235 remove_child (toplevel, GTK_WINDOW (object));
240 _gtk_toplevel_accessible_init (GtkToplevelAccessible *toplevel)
247 l = toplevel->window_list = gtk_window_list_toplevels ();
251 window = GTK_WINDOW (l->data);
252 widget = GTK_WIDGET (window);
254 !gtk_widget_get_visible (widget) ||
255 is_attached_menu_window (widget) ||
256 #ifdef GDK_WINDOWING_X11
257 GTK_IS_PLUG (window) ||
259 gtk_widget_get_parent (GTK_WIDGET (window)))
261 GList *temp_l = l->next;
263 toplevel->window_list = g_list_delete_link (toplevel->window_list, l);
268 g_signal_connect_swapped (G_OBJECT (window), "destroy",
269 G_CALLBACK (remove_child), toplevel);
274 g_type_class_ref (GTK_TYPE_WINDOW);
276 signal_id = g_signal_lookup ("show", GTK_TYPE_WINDOW);
277 g_signal_add_emission_hook (signal_id, 0,
278 show_event_watcher, toplevel, (GDestroyNotify) NULL);
280 signal_id = g_signal_lookup ("hide", GTK_TYPE_WINDOW);
281 g_signal_add_emission_hook (signal_id, 0,
282 hide_event_watcher, toplevel, (GDestroyNotify) NULL);