1 /* GTK+ - accessibility implementations
2 * Copyright 2011, F123 Consulting & Mais Diferenças
3 * Copyright 2001, 2002, 2003 Sun Microsystems Inc.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
23 #include "gtkwidgetaccessibleprivate.h"
24 #include "gtkwindowaccessible.h"
25 #include "gtktoplevelaccessible.h"
29 static void gtk_window_accessible_get_extents (AtkComponent *component,
34 AtkCoordType coord_type);
35 static void gtk_window_accessible_get_size (AtkComponent *component,
39 static void atk_component_interface_init (AtkComponentIface *iface);
40 static void atk_window_interface_init (AtkWindowIface *iface);
42 G_DEFINE_TYPE_WITH_CODE (GtkWindowAccessible,
43 gtk_window_accessible,
44 GTK_TYPE_CONTAINER_ACCESSIBLE,
45 G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT,
46 atk_component_interface_init)
47 G_IMPLEMENT_INTERFACE (ATK_TYPE_WINDOW,
48 atk_window_interface_init));
52 gtk_window_accessible_focus_event (AtkObject *obj,
55 atk_object_notify_state_change (obj, ATK_STATE_ACTIVE, focus_in);
59 gtk_window_accessible_notify_gtk (GObject *obj,
62 GtkWidget *widget = GTK_WIDGET (obj);
63 AtkObject* atk_obj = gtk_widget_get_accessible (widget);
65 if (g_strcmp0 (pspec->name, "title") == 0)
67 g_object_notify (G_OBJECT (atk_obj), "accessible-name");
68 g_signal_emit_by_name (atk_obj, "visible-data-changed");
71 GTK_WIDGET_ACCESSIBLE_CLASS (gtk_window_accessible_parent_class)->notify_gtk (obj, pspec);
75 window_state_event_cb (GtkWidget *widget,
76 GdkEventWindowState *event)
80 obj = gtk_widget_get_accessible (widget);
81 atk_object_notify_state_change (obj, ATK_STATE_ICONIFIED,
82 (event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
88 gtk_window_accessible_initialize (AtkObject *obj,
91 GtkWidget *widget = GTK_WIDGET (data);
94 ATK_OBJECT_CLASS (gtk_window_accessible_parent_class)->initialize (obj, data);
96 g_signal_connect (data, "window-state-event", G_CALLBACK (window_state_event_cb), NULL);
97 _gtk_widget_accessible_set_layer (GTK_WIDGET_ACCESSIBLE (obj), ATK_LAYER_WINDOW);
99 name = gtk_widget_get_name (widget);
101 if (!g_strcmp0 (name, "gtk-tooltip"))
102 obj->role = ATK_ROLE_TOOL_TIP;
103 else if (gtk_window_get_window_type (GTK_WINDOW (widget)) == GTK_WINDOW_POPUP)
104 obj->role = ATK_ROLE_WINDOW;
106 obj->role = ATK_ROLE_FRAME;
108 /* Notify that tooltip is showing */
109 if (obj->role == ATK_ROLE_TOOL_TIP && gtk_widget_get_mapped (widget))
110 atk_object_notify_state_change (obj, ATK_STATE_SHOWING, 1);
114 find_label_child (GtkContainer *container)
116 GList *children, *tmp_list;
119 children = gtk_container_get_children (container);
122 for (tmp_list = children; tmp_list != NULL; tmp_list = tmp_list->next)
124 if (GTK_IS_LABEL (tmp_list->data))
126 child = GTK_WIDGET (tmp_list->data);
129 else if (GTK_IS_CONTAINER (tmp_list->data))
131 child = find_label_child (GTK_CONTAINER (tmp_list->data));
136 g_list_free (children);
141 gtk_window_accessible_get_name (AtkObject *accessible)
146 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
150 name = ATK_OBJECT_CLASS (gtk_window_accessible_parent_class)->get_name (accessible);
154 if (GTK_IS_WINDOW (widget))
156 GtkWindow *window = GTK_WINDOW (widget);
158 name = gtk_window_get_title (window);
159 if (name == NULL && accessible->role == ATK_ROLE_TOOL_TIP)
163 child = find_label_child (GTK_CONTAINER (window));
164 if (GTK_IS_LABEL (child))
165 name = gtk_label_get_text (GTK_LABEL (child));
172 gtk_window_accessible_get_index_in_parent (AtkObject *accessible)
178 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
182 index = ATK_OBJECT_CLASS (gtk_window_accessible_parent_class)->get_index_in_parent (accessible);
186 atk_obj = atk_get_root ();
188 if (GTK_IS_WINDOW (widget))
190 GtkWindow *window = GTK_WINDOW (widget);
191 if (GTK_IS_TOPLEVEL_ACCESSIBLE (atk_obj))
193 GtkToplevelAccessible *toplevel = GTK_TOPLEVEL_ACCESSIBLE (atk_obj);
194 index = g_list_index (gtk_toplevel_accessible_get_children (toplevel), window);
198 gint i, sibling_count;
200 sibling_count = atk_object_get_n_accessible_children (atk_obj);
201 for (i = 0; i < sibling_count && index == -1; ++i)
203 AtkObject *child = atk_object_ref_accessible_child (atk_obj, i);
204 if (accessible == child)
206 g_object_unref (G_OBJECT (child));
213 static AtkRelationSet *
214 gtk_window_accessible_ref_relation_set (AtkObject *obj)
217 AtkRelationSet *relation_set;
219 AtkRelation* relation;
220 GtkWidget *current_widget;
222 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
226 relation_set = ATK_OBJECT_CLASS (gtk_window_accessible_parent_class)->ref_relation_set (obj);
228 if (atk_object_get_role (obj) == ATK_ROLE_TOOL_TIP)
230 relation = atk_relation_set_get_relation_by_type (relation_set, ATK_RELATION_POPUP_FOR);
232 atk_relation_set_remove (relation_set, relation);
234 if (0) /* FIXME need a way to go from tooltip window to widget */
236 array[0] = gtk_widget_get_accessible (current_widget);
237 relation = atk_relation_new (array, 1, ATK_RELATION_POPUP_FOR);
238 atk_relation_set_add (relation_set, relation);
239 g_object_unref (relation);
246 gtk_window_accessible_ref_state_set (AtkObject *accessible)
248 AtkStateSet *state_set;
251 GdkWindow *gdk_window;
252 GdkWindowState state;
254 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
258 state_set = ATK_OBJECT_CLASS (gtk_window_accessible_parent_class)->ref_state_set (accessible);
260 window = GTK_WINDOW (widget);
262 if (gtk_window_has_toplevel_focus (window) && gtk_window_is_active (window))
263 atk_state_set_add_state (state_set, ATK_STATE_ACTIVE);
265 gdk_window = gtk_widget_get_window (widget);
268 state = gdk_window_get_state (gdk_window);
269 if (state & GDK_WINDOW_STATE_ICONIFIED)
270 atk_state_set_add_state (state_set, ATK_STATE_ICONIFIED);
272 if (gtk_window_get_modal (window))
273 atk_state_set_add_state (state_set, ATK_STATE_MODAL);
275 if (gtk_window_get_resizable (window))
276 atk_state_set_add_state (state_set, ATK_STATE_RESIZABLE);
282 gtk_window_accessible_class_init (GtkWindowAccessibleClass *klass)
284 GtkWidgetAccessibleClass *widget_class = (GtkWidgetAccessibleClass*)klass;
285 AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
287 widget_class->notify_gtk = gtk_window_accessible_notify_gtk;
289 class->get_name = gtk_window_accessible_get_name;
290 class->get_index_in_parent = gtk_window_accessible_get_index_in_parent;
291 class->ref_relation_set = gtk_window_accessible_ref_relation_set;
292 class->ref_state_set = gtk_window_accessible_ref_state_set;
293 class->initialize = gtk_window_accessible_initialize;
294 class->focus_event = gtk_window_accessible_focus_event;
298 gtk_window_accessible_init (GtkWindowAccessible *accessible)
303 gtk_window_accessible_get_extents (AtkComponent *component,
308 AtkCoordType coord_type)
313 gint x_toplevel, y_toplevel;
315 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (component));
319 if (!gtk_widget_is_toplevel (widget))
321 AtkComponentIface *parent_iface;
323 parent_iface = (AtkComponentIface *) g_type_interface_peek_parent (ATK_COMPONENT_GET_IFACE (component));
324 parent_iface->get_extents (component, x, y, width, height, coord_type);
328 window = gtk_widget_get_window (widget);
332 gdk_window_get_frame_extents (window, &rect);
335 *height = rect.height;
336 if (!gtk_widget_is_drawable (widget))
345 if (coord_type == ATK_XY_WINDOW)
347 gdk_window_get_origin (window, &x_toplevel, &y_toplevel);
354 gtk_window_accessible_get_size (AtkComponent *component,
362 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (component));
366 if (!gtk_widget_is_toplevel (widget))
368 AtkComponentIface *parent_iface;
370 parent_iface = (AtkComponentIface *) g_type_interface_peek_parent (ATK_COMPONENT_GET_IFACE (component));
371 parent_iface->get_size (component, width, height);
375 window = gtk_widget_get_window (widget);
379 gdk_window_get_frame_extents (window, &rect);
382 *height = rect.height;
386 atk_component_interface_init (AtkComponentIface *iface)
388 iface->get_extents = gtk_window_accessible_get_extents;
389 iface->get_size = gtk_window_accessible_get_size;
393 atk_window_interface_init (AtkWindowIface *iface)
395 /* At this moment AtkWindow is just about signals */