1 /* GTK+ - accessibility implementations
2 * Copyright 2002 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/>.
21 #include "gtkradiomenuitemaccessible.h"
23 struct _GtkRadioMenuItemAccessiblePrivate
28 G_DEFINE_TYPE (GtkRadioMenuItemAccessible, gtk_radio_menu_item_accessible, GTK_TYPE_CHECK_MENU_ITEM_ACCESSIBLE)
31 static AtkRelationSet *
32 gtk_radio_menu_item_accessible_ref_relation_set (AtkObject *obj)
35 AtkRelationSet *relation_set;
37 GtkRadioMenuItemAccessible *radio_menu_item;
39 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
43 radio_menu_item = GTK_RADIO_MENU_ITEM_ACCESSIBLE (obj);
45 relation_set = ATK_OBJECT_CLASS (gtk_radio_menu_item_accessible_parent_class)->ref_relation_set (obj);
47 /* If the radio menu_item's group has changed remove the relation */
48 list = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (widget));
50 if (radio_menu_item->priv->old_group != list)
52 AtkRelation *relation;
54 relation = atk_relation_set_get_relation_by_type (relation_set, ATK_RELATION_MEMBER_OF);
55 atk_relation_set_remove (relation_set, relation);
58 if (!atk_relation_set_contains (relation_set, ATK_RELATION_MEMBER_OF))
60 /* Get the members of the menu_item group */
61 radio_menu_item->priv->old_group = list;
64 AtkObject **accessible_array;
66 AtkRelation* relation;
69 list_length = g_slist_length (list);
70 accessible_array = g_new (AtkObject *, list_length);
73 GtkWidget* list_item = list->data;
75 accessible_array[i++] = gtk_widget_get_accessible (list_item);
79 relation = atk_relation_new (accessible_array, list_length,
80 ATK_RELATION_MEMBER_OF);
81 g_free (accessible_array);
83 atk_relation_set_add (relation_set, relation);
85 /* Unref the relation so that it is not leaked */
86 g_object_unref (relation);
94 gtk_radio_menu_item_accessible_initialize (AtkObject *obj,
97 ATK_OBJECT_CLASS (gtk_radio_menu_item_accessible_parent_class)->initialize (obj, data);
99 obj->role = ATK_ROLE_RADIO_MENU_ITEM;
103 gtk_radio_menu_item_accessible_class_init (GtkRadioMenuItemAccessibleClass *klass)
105 AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
107 class->ref_relation_set = gtk_radio_menu_item_accessible_ref_relation_set;
108 class->initialize = gtk_radio_menu_item_accessible_initialize;
110 g_type_class_add_private (klass, sizeof (GtkRadioMenuItemAccessiblePrivate));
114 gtk_radio_menu_item_accessible_init (GtkRadioMenuItemAccessible *radio_menu_item)
116 radio_menu_item->priv = G_TYPE_INSTANCE_GET_PRIVATE (radio_menu_item,
117 GTK_TYPE_RADIO_MENU_ITEM_ACCESSIBLE,
118 GtkRadioMenuItemAccessiblePrivate);