1 /* GAIL - The GNOME Accessibility Implementation Library
2 * Copyright 2001 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 "gtkradiobuttonaccessible.h"
26 G_DEFINE_TYPE (GtkRadioButtonAccessible, _gtk_radio_button_accessible, GTK_TYPE_TOGGLE_BUTTON_ACCESSIBLE)
29 gtk_radio_button_accessible_initialize (AtkObject *accessible,
32 ATK_OBJECT_CLASS (_gtk_radio_button_accessible_parent_class)->initialize (accessible, data);
34 accessible->role = ATK_ROLE_RADIO_BUTTON;
37 static AtkRelationSet *
38 gtk_radio_button_accessible_ref_relation_set (AtkObject *obj)
41 AtkRelationSet *relation_set;
43 GtkRadioButtonAccessible *radio_button;
45 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
49 radio_button = GTK_RADIO_BUTTON_ACCESSIBLE (obj);
51 relation_set = ATK_OBJECT_CLASS (_gtk_radio_button_accessible_parent_class)->ref_relation_set (obj);
53 /* If the radio button'group has changed remove the relation */
54 list = gtk_radio_button_get_group (GTK_RADIO_BUTTON (widget));
56 if (radio_button->old_group != list)
58 AtkRelation *relation;
60 relation = atk_relation_set_get_relation_by_type (relation_set, ATK_RELATION_MEMBER_OF);
61 atk_relation_set_remove (relation_set, relation);
64 if (!atk_relation_set_contains (relation_set, ATK_RELATION_MEMBER_OF))
67 * Get the members of the button group
69 radio_button->old_group = list;
72 AtkObject **accessible_array;
74 AtkRelation* relation;
77 list_length = g_slist_length (list);
78 accessible_array = g_new (AtkObject *, list_length);
81 GtkWidget* list_item = list->data;
83 accessible_array[i++] = gtk_widget_get_accessible (list_item);
87 relation = atk_relation_new (accessible_array, list_length,
88 ATK_RELATION_MEMBER_OF);
89 g_free (accessible_array);
91 atk_relation_set_add (relation_set, relation);
93 * Unref the relation so that it is not leaked.
95 g_object_unref (relation);
103 _gtk_radio_button_accessible_class_init (GtkRadioButtonAccessibleClass *klass)
105 AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
107 class->initialize = gtk_radio_button_accessible_initialize;
108 class->ref_relation_set = gtk_radio_button_accessible_ref_relation_set;
112 _gtk_radio_button_accessible_init (GtkRadioButtonAccessible *radio_button)
114 radio_button->old_group = NULL;