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"
34 G_DEFINE_TYPE (GtkToplevelAccessible, _gtk_toplevel_accessible, ATK_TYPE_OBJECT)
37 gtk_toplevel_accessible_initialize (AtkObject *accessible,
40 ATK_OBJECT_CLASS (_gtk_toplevel_accessible_parent_class)->initialize (accessible, data);
42 accessible->role = ATK_ROLE_APPLICATION;
43 accessible->name = g_get_prgname ();
44 accessible->accessible_parent = NULL;
48 gtk_toplevel_accessible_object_finalize (GObject *obj)
50 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (obj);
52 if (toplevel->window_list)
53 g_list_free (toplevel->window_list);
55 G_OBJECT_CLASS (_gtk_toplevel_accessible_parent_class)->finalize (obj);
59 gtk_toplevel_accessible_get_n_children (AtkObject *obj)
61 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (obj);
63 return g_list_length (toplevel->window_list);
67 gtk_toplevel_accessible_ref_child (AtkObject *obj,
70 GtkToplevelAccessible *toplevel;
74 toplevel = GTK_TOPLEVEL_ACCESSIBLE (obj);
75 widget = g_list_nth_data (toplevel->window_list, i);
79 atk_obj = gtk_widget_get_accessible (widget);
81 g_object_ref (atk_obj);
87 is_combo_window (GtkWidget *widget)
92 child = gtk_bin_get_child (GTK_BIN (widget));
94 if (!GTK_IS_EVENT_BOX (child))
97 child = gtk_bin_get_child (GTK_BIN (child));
99 if (!GTK_IS_FRAME (child))
102 child = gtk_bin_get_child (GTK_BIN (child));
104 if (!GTK_IS_SCROLLED_WINDOW (child))
107 obj = gtk_widget_get_accessible (child);
108 obj = atk_object_get_parent (obj);
114 is_attached_menu_window (GtkWidget *widget)
118 child = gtk_bin_get_child (GTK_BIN (widget));
119 if (GTK_IS_MENU (child))
123 attach = gtk_menu_get_attach_widget (GTK_MENU (child));
124 /* Allow for menu belonging to the Panel Menu, which is a GtkButton */
125 if (GTK_IS_MENU_ITEM (attach) || GTK_IS_BUTTON (attach))
133 _gtk_toplevel_accessible_class_init (GtkToplevelAccessibleClass *klass)
135 AtkObjectClass *class = ATK_OBJECT_CLASS(klass);
136 GObjectClass *g_object_class = G_OBJECT_CLASS(klass);
138 class->initialize = gtk_toplevel_accessible_initialize;
139 class->get_n_children = gtk_toplevel_accessible_get_n_children;
140 class->ref_child = gtk_toplevel_accessible_ref_child;
141 class->get_parent = NULL;
143 g_object_class->finalize = gtk_toplevel_accessible_object_finalize;
147 remove_child (GtkToplevelAccessible *toplevel,
150 AtkObject *atk_obj = ATK_OBJECT (toplevel);
152 guint window_count = 0;
155 if (toplevel->window_list)
157 GtkWindow *tmp_window;
159 for (l = toplevel->window_list; l; l = l->next)
161 tmp_window = GTK_WINDOW (l->data);
163 if (window == tmp_window)
165 /* Remove the window from the window_list & emit the signal */
166 toplevel->window_list = g_list_delete_link (toplevel->window_list, l);
167 child = gtk_widget_get_accessible (GTK_WIDGET (window));
168 g_signal_emit_by_name (atk_obj, "children-changed::remove",
169 window_count, child, NULL);
170 atk_object_set_parent (child, NULL);
180 show_event_watcher (GSignalInvocationHint *ihint,
181 guint n_param_values,
182 const GValue *param_values,
185 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (data);
186 AtkObject *atk_obj = ATK_OBJECT (toplevel);
192 object = g_value_get_object (param_values + 0);
194 if (!GTK_IS_WINDOW (object))
197 widget = GTK_WIDGET (object);
198 if (gtk_widget_get_parent (widget) ||
199 is_attached_menu_window (widget) ||
200 #ifdef GDK_WINDOWING_X11
201 GTK_IS_PLUG (widget) ||
203 is_combo_window (widget))
206 child = gtk_widget_get_accessible (widget);
207 if (atk_object_get_role (child) == ATK_ROLE_REDUNDANT_OBJECT ||
208 atk_object_get_role (child) == ATK_ROLE_TOOL_TIP)
211 /* Add the window to the list & emit the signal */
212 toplevel->window_list = g_list_append (toplevel->window_list, widget);
213 n_children = g_list_length (toplevel->window_list);
215 atk_object_set_parent (child, atk_obj);
216 g_signal_emit_by_name (atk_obj, "children-changed::add",
217 n_children - 1, child, NULL);
219 g_signal_connect_swapped (G_OBJECT(object), "destroy",
220 G_CALLBACK (remove_child), toplevel);
226 hide_event_watcher (GSignalInvocationHint *ihint,
227 guint n_param_values,
228 const GValue *param_values,
231 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (data);
234 object = g_value_get_object (param_values + 0);
236 if (!GTK_IS_WINDOW (object))
239 remove_child (toplevel, GTK_WINDOW (object));
244 _gtk_toplevel_accessible_init (GtkToplevelAccessible *toplevel)
251 l = toplevel->window_list = gtk_window_list_toplevels ();
255 window = GTK_WINDOW (l->data);
256 widget = GTK_WIDGET (window);
258 !gtk_widget_get_visible (widget) ||
259 is_attached_menu_window (widget) ||
260 #ifdef GDK_WINDOWING_X11
261 GTK_IS_PLUG (window) ||
263 gtk_widget_get_parent (GTK_WIDGET (window)))
265 GList *temp_l = l->next;
267 toplevel->window_list = g_list_delete_link (toplevel->window_list, l);
272 g_signal_connect_swapped (G_OBJECT (window), "destroy",
273 G_CALLBACK (remove_child), toplevel);
278 g_type_class_ref (GTK_TYPE_WINDOW);
280 signal_id = g_signal_lookup ("show", GTK_TYPE_WINDOW);
281 g_signal_add_emission_hook (signal_id, 0,
282 show_event_watcher, toplevel, (GDestroyNotify) NULL);
284 signal_id = g_signal_lookup ("hide", GTK_TYPE_WINDOW);
285 g_signal_add_emission_hook (signal_id, 0,
286 hide_event_watcher, toplevel, (GDestroyNotify) NULL);