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 "gailradiosubmenuitem.h"
25 static void gail_radio_sub_menu_item_class_init (GailRadioSubMenuItemClass *klass);
26 static void gail_radio_sub_menu_item_init (GailRadioSubMenuItem *radio_menu_item);
28 static AtkRelationSet* gail_radio_sub_menu_item_ref_relation_set (AtkObject *obj);
30 G_DEFINE_TYPE (GailRadioSubMenuItem, gail_radio_sub_menu_item, GAIL_TYPE_CHECK_SUB_MENU_ITEM)
33 gail_radio_sub_menu_item_class_init (GailRadioSubMenuItemClass *klass)
35 AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
37 class->ref_relation_set = gail_radio_sub_menu_item_ref_relation_set;
41 gail_radio_sub_menu_item_new (GtkWidget *widget)
44 AtkObject *accessible;
46 g_return_val_if_fail (GTK_IS_RADIO_MENU_ITEM (widget), NULL);
48 object = g_object_new (GAIL_TYPE_RADIO_SUB_MENU_ITEM, NULL);
50 accessible = ATK_OBJECT (object);
51 atk_object_initialize (accessible, widget);
53 accessible->role = ATK_ROLE_RADIO_MENU_ITEM;
58 gail_radio_sub_menu_item_init (GailRadioSubMenuItem *radio_menu_item)
60 radio_menu_item->old_group = NULL;
64 gail_radio_sub_menu_item_ref_relation_set (AtkObject *obj)
67 AtkRelationSet *relation_set;
69 GailRadioSubMenuItem *radio_menu_item;
71 g_return_val_if_fail (GAIL_IS_RADIO_SUB_MENU_ITEM (obj), NULL);
73 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
81 radio_menu_item = GAIL_RADIO_SUB_MENU_ITEM (obj);
83 relation_set = ATK_OBJECT_CLASS (gail_radio_sub_menu_item_parent_class)->ref_relation_set (obj);
86 * If the radio menu_item'group has changed remove the relation
88 list = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (widget));
90 if (radio_menu_item->old_group != list)
92 AtkRelation *relation;
94 relation = atk_relation_set_get_relation_by_type (relation_set, ATK_RELATION_MEMBER_OF);
95 atk_relation_set_remove (relation_set, relation);
98 if (!atk_relation_set_contains (relation_set, ATK_RELATION_MEMBER_OF))
101 * Get the members of the menu_item group
104 radio_menu_item->old_group = list;
107 AtkObject **accessible_array;
109 AtkRelation* relation;
112 list_length = g_slist_length (list);
113 accessible_array = (AtkObject**) g_malloc (sizeof (AtkObject *) *
117 GtkWidget* list_item = list->data;
119 accessible_array[i++] = gtk_widget_get_accessible (list_item);
123 relation = atk_relation_new (accessible_array, list_length,
124 ATK_RELATION_MEMBER_OF);
125 g_free (accessible_array);
127 atk_relation_set_add (relation_set, relation);
129 * Unref the relation so that it is not leaked.
131 g_object_unref (relation);