1 /* GAIL - The GNOME Accessibility Implementation Library
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, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
23 #include "gailradiomenuitem.h"
24 #include "gailradiosubmenuitem.h"
26 static void gail_radio_menu_item_class_init (GailRadioMenuItemClass *klass);
27 static void gail_radio_menu_item_init (GailRadioMenuItem *radio_menu_item);
29 static AtkRelationSet* gail_radio_menu_item_ref_relation_set (AtkObject *obj);
31 G_DEFINE_TYPE (GailRadioMenuItem, gail_radio_menu_item, GAIL_TYPE_CHECK_MENU_ITEM)
34 gail_radio_menu_item_class_init (GailRadioMenuItemClass *klass)
36 AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
38 class->ref_relation_set = gail_radio_menu_item_ref_relation_set;
42 gail_radio_menu_item_new (GtkWidget *widget)
45 AtkObject *accessible;
47 g_return_val_if_fail (GTK_IS_RADIO_MENU_ITEM (widget), NULL);
49 if (gtk_menu_item_get_submenu (GTK_MENU_ITEM (widget)))
50 return gail_radio_sub_menu_item_new (widget);
52 object = g_object_new (GAIL_TYPE_RADIO_MENU_ITEM, NULL);
54 accessible = ATK_OBJECT (object);
55 atk_object_initialize (accessible, widget);
57 accessible->role = ATK_ROLE_RADIO_MENU_ITEM;
62 gail_radio_menu_item_init (GailRadioMenuItem *radio_menu_item)
64 radio_menu_item->old_group = NULL;
68 gail_radio_menu_item_ref_relation_set (AtkObject *obj)
71 AtkRelationSet *relation_set;
73 GailRadioMenuItem *radio_menu_item;
75 g_return_val_if_fail (GAIL_IS_RADIO_MENU_ITEM (obj), NULL);
77 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
85 radio_menu_item = GAIL_RADIO_MENU_ITEM (obj);
87 relation_set = ATK_OBJECT_CLASS (gail_radio_menu_item_parent_class)->ref_relation_set (obj);
90 * If the radio menu_item'group has changed remove the relation
92 list = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (widget));
94 if (radio_menu_item->old_group != list)
96 AtkRelation *relation;
98 relation = atk_relation_set_get_relation_by_type (relation_set, ATK_RELATION_MEMBER_OF);
99 atk_relation_set_remove (relation_set, relation);
102 if (!atk_relation_set_contains (relation_set, ATK_RELATION_MEMBER_OF))
105 * Get the members of the menu_item group
108 radio_menu_item->old_group = list;
111 AtkObject **accessible_array;
113 AtkRelation* relation;
116 list_length = g_slist_length (list);
117 accessible_array = (AtkObject**) g_malloc (sizeof (AtkObject *) *
121 GtkWidget* list_item = list->data;
123 accessible_array[i++] = gtk_widget_get_accessible (list_item);
127 relation = atk_relation_new (accessible_array, list_length,
128 ATK_RELATION_MEMBER_OF);
129 g_free (accessible_array);
131 atk_relation_set_add (relation_set, relation);
133 * Unref the relation so that it is not leaked.
135 g_object_unref (relation);