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.
26 #include <gtk/gtkeventbox.h>
27 #include <gtk/gtkscrolledwindow.h>
28 #include <gtk/gtkframe.h>
29 #include <gtk/gtkmenu.h>
30 #include <gtk/gtkmenuitem.h>
31 #include <gtk/gtkbutton.h>
33 #include "gtktoplevelaccessible.h"
36 G_DEFINE_TYPE (GtkToplevelAccessible, _gtk_toplevel_accessible, ATK_TYPE_OBJECT)
39 gtk_toplevel_accessible_initialize (AtkObject *accessible,
42 ATK_OBJECT_CLASS (_gtk_toplevel_accessible_parent_class)->initialize (accessible, data);
44 accessible->role = ATK_ROLE_APPLICATION;
45 accessible->name = g_get_prgname ();
46 accessible->accessible_parent = NULL;
50 gtk_toplevel_accessible_object_finalize (GObject *obj)
52 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (obj);
54 if (toplevel->window_list)
55 g_list_free (toplevel->window_list);
57 G_OBJECT_CLASS (_gtk_toplevel_accessible_parent_class)->finalize (obj);
61 gtk_toplevel_accessible_get_n_children (AtkObject *obj)
63 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (obj);
65 return g_list_length (toplevel->window_list);
69 gtk_toplevel_accessible_ref_child (AtkObject *obj,
72 GtkToplevelAccessible *toplevel;
76 toplevel = GTK_TOPLEVEL_ACCESSIBLE (obj);
77 widget = g_list_nth_data (toplevel->window_list, i);
81 atk_obj = gtk_widget_get_accessible (widget);
83 g_object_ref (atk_obj);
89 is_combo_window (GtkWidget *widget)
94 child = gtk_bin_get_child (GTK_BIN (widget));
96 if (!GTK_IS_EVENT_BOX (child))
99 child = gtk_bin_get_child (GTK_BIN (child));
101 if (!GTK_IS_FRAME (child))
104 child = gtk_bin_get_child (GTK_BIN (child));
106 if (!GTK_IS_SCROLLED_WINDOW (child))
109 obj = gtk_widget_get_accessible (child);
110 obj = atk_object_get_parent (obj);
116 is_attached_menu_window (GtkWidget *widget)
120 child = gtk_bin_get_child (GTK_BIN (widget));
121 if (GTK_IS_MENU (child))
125 attach = gtk_menu_get_attach_widget (GTK_MENU (child));
126 /* Allow for menu belonging to the Panel Menu, which is a GtkButton */
127 if (GTK_IS_MENU_ITEM (attach) || GTK_IS_BUTTON (attach))
135 _gtk_toplevel_accessible_class_init (GtkToplevelAccessibleClass *klass)
137 AtkObjectClass *class = ATK_OBJECT_CLASS(klass);
138 GObjectClass *g_object_class = G_OBJECT_CLASS(klass);
140 class->initialize = gtk_toplevel_accessible_initialize;
141 class->get_n_children = gtk_toplevel_accessible_get_n_children;
142 class->ref_child = gtk_toplevel_accessible_ref_child;
143 class->get_parent = NULL;
145 g_object_class->finalize = gtk_toplevel_accessible_object_finalize;
149 remove_child (GtkToplevelAccessible *toplevel,
152 AtkObject *atk_obj = ATK_OBJECT (toplevel);
154 guint window_count = 0;
157 if (toplevel->window_list)
159 GtkWindow *tmp_window;
161 for (l = toplevel->window_list; l; l = l->next)
163 tmp_window = GTK_WINDOW (l->data);
165 if (window == tmp_window)
167 /* Remove the window from the window_list & emit the signal */
168 toplevel->window_list = g_list_delete_link (toplevel->window_list, l);
169 child = gtk_widget_get_accessible (GTK_WIDGET (window));
170 g_signal_emit_by_name (atk_obj, "children-changed::remove",
171 window_count, child, NULL);
172 atk_object_set_parent (child, NULL);
182 show_event_watcher (GSignalInvocationHint *ihint,
183 guint n_param_values,
184 const GValue *param_values,
187 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (data);
188 AtkObject *atk_obj = ATK_OBJECT (toplevel);
194 object = g_value_get_object (param_values + 0);
196 if (!GTK_IS_WINDOW (object))
199 widget = GTK_WIDGET (object);
200 if (gtk_widget_get_parent (widget) ||
201 is_attached_menu_window (widget) ||
202 #ifdef GDK_WINDOWING_X11
203 GTK_IS_PLUG (widget) ||
205 is_combo_window (widget))
208 child = gtk_widget_get_accessible (widget);
209 if (atk_object_get_role (child) == ATK_ROLE_REDUNDANT_OBJECT ||
210 atk_object_get_role (child) == ATK_ROLE_TOOL_TIP)
213 /* Add the window to the list & emit the signal */
214 toplevel->window_list = g_list_append (toplevel->window_list, widget);
215 n_children = g_list_length (toplevel->window_list);
217 atk_object_set_parent (child, atk_obj);
218 g_signal_emit_by_name (atk_obj, "children-changed::add",
219 n_children - 1, child, NULL);
221 g_signal_connect_swapped (G_OBJECT(object), "destroy",
222 G_CALLBACK (remove_child), toplevel);
228 hide_event_watcher (GSignalInvocationHint *ihint,
229 guint n_param_values,
230 const GValue *param_values,
233 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (data);
236 object = g_value_get_object (param_values + 0);
238 if (!GTK_IS_WINDOW (object))
241 remove_child (toplevel, GTK_WINDOW (object));
246 _gtk_toplevel_accessible_init (GtkToplevelAccessible *toplevel)
253 l = toplevel->window_list = gtk_window_list_toplevels ();
257 window = GTK_WINDOW (l->data);
258 widget = GTK_WIDGET (window);
260 !gtk_widget_get_visible (widget) ||
261 is_attached_menu_window (widget) ||
262 #ifdef GDK_WINDOWING_X11
263 GTK_IS_PLUG (window) ||
265 gtk_widget_get_parent (GTK_WIDGET (window)))
267 GList *temp_l = l->next;
269 toplevel->window_list = g_list_delete_link (toplevel->window_list, l);
274 g_signal_connect_swapped (G_OBJECT (window), "destroy",
275 G_CALLBACK (remove_child), toplevel);
280 g_type_class_ref (GTK_TYPE_WINDOW);
282 signal_id = g_signal_lookup ("show", GTK_TYPE_WINDOW);
283 g_signal_add_emission_hook (signal_id, 0,
284 show_event_watcher, toplevel, (GDestroyNotify) NULL);
286 signal_id = g_signal_lookup ("hide", GTK_TYPE_WINDOW);
287 g_signal_add_emission_hook (signal_id, 0,
288 hide_event_watcher, toplevel, (GDestroyNotify) NULL);