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, see <http://www.gnu.org/licenses/>.
21 #include "gtkradiobuttonaccessible.h"
24 G_DEFINE_TYPE (GtkRadioButtonAccessible, _gtk_radio_button_accessible, GTK_TYPE_TOGGLE_BUTTON_ACCESSIBLE)
27 gtk_radio_button_accessible_initialize (AtkObject *accessible,
30 ATK_OBJECT_CLASS (_gtk_radio_button_accessible_parent_class)->initialize (accessible, data);
32 accessible->role = ATK_ROLE_RADIO_BUTTON;
35 static AtkRelationSet *
36 gtk_radio_button_accessible_ref_relation_set (AtkObject *obj)
39 AtkRelationSet *relation_set;
41 GtkRadioButtonAccessible *radio_button;
43 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
47 radio_button = GTK_RADIO_BUTTON_ACCESSIBLE (obj);
49 relation_set = ATK_OBJECT_CLASS (_gtk_radio_button_accessible_parent_class)->ref_relation_set (obj);
51 /* If the radio button'group has changed remove the relation */
52 list = gtk_radio_button_get_group (GTK_RADIO_BUTTON (widget));
54 if (radio_button->old_group != list)
56 AtkRelation *relation;
58 relation = atk_relation_set_get_relation_by_type (relation_set, ATK_RELATION_MEMBER_OF);
59 atk_relation_set_remove (relation_set, relation);
62 if (!atk_relation_set_contains (relation_set, ATK_RELATION_MEMBER_OF))
65 * Get the members of the button group
67 radio_button->old_group = list;
70 AtkObject **accessible_array;
72 AtkRelation* relation;
75 list_length = g_slist_length (list);
76 accessible_array = g_new (AtkObject *, list_length);
79 GtkWidget* list_item = list->data;
81 accessible_array[i++] = gtk_widget_get_accessible (list_item);
85 relation = atk_relation_new (accessible_array, list_length,
86 ATK_RELATION_MEMBER_OF);
87 g_free (accessible_array);
89 atk_relation_set_add (relation_set, relation);
91 * Unref the relation so that it is not leaked.
93 g_object_unref (relation);
101 _gtk_radio_button_accessible_class_init (GtkRadioButtonAccessibleClass *klass)
103 AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
105 class->initialize = gtk_radio_button_accessible_initialize;
106 class->ref_relation_set = gtk_radio_button_accessible_ref_relation_set;
110 _gtk_radio_button_accessible_init (GtkRadioButtonAccessible *radio_button)
112 radio_button->old_group = NULL;