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"
23 struct _GtkRadioButtonAccessiblePrivate
29 G_DEFINE_TYPE (GtkRadioButtonAccessible, _gtk_radio_button_accessible, GTK_TYPE_TOGGLE_BUTTON_ACCESSIBLE)
32 gtk_radio_button_accessible_initialize (AtkObject *accessible,
35 ATK_OBJECT_CLASS (_gtk_radio_button_accessible_parent_class)->initialize (accessible, data);
37 accessible->role = ATK_ROLE_RADIO_BUTTON;
40 static AtkRelationSet *
41 gtk_radio_button_accessible_ref_relation_set (AtkObject *obj)
44 AtkRelationSet *relation_set;
46 GtkRadioButtonAccessible *radio_button;
48 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
52 radio_button = GTK_RADIO_BUTTON_ACCESSIBLE (obj);
54 relation_set = ATK_OBJECT_CLASS (_gtk_radio_button_accessible_parent_class)->ref_relation_set (obj);
56 /* If the radio button'group has changed remove the relation */
57 list = gtk_radio_button_get_group (GTK_RADIO_BUTTON (widget));
59 if (radio_button->priv->old_group != list)
61 AtkRelation *relation;
63 relation = atk_relation_set_get_relation_by_type (relation_set, ATK_RELATION_MEMBER_OF);
64 atk_relation_set_remove (relation_set, relation);
67 if (!atk_relation_set_contains (relation_set, ATK_RELATION_MEMBER_OF))
70 * Get the members of the button group
72 radio_button->priv->old_group = list;
75 AtkObject **accessible_array;
77 AtkRelation* relation;
80 list_length = g_slist_length (list);
81 accessible_array = g_new (AtkObject *, list_length);
84 GtkWidget* list_item = list->data;
86 accessible_array[i++] = gtk_widget_get_accessible (list_item);
90 relation = atk_relation_new (accessible_array, list_length,
91 ATK_RELATION_MEMBER_OF);
92 g_free (accessible_array);
94 atk_relation_set_add (relation_set, relation);
96 * Unref the relation so that it is not leaked.
98 g_object_unref (relation);
106 _gtk_radio_button_accessible_class_init (GtkRadioButtonAccessibleClass *klass)
108 AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
110 class->initialize = gtk_radio_button_accessible_initialize;
111 class->ref_relation_set = gtk_radio_button_accessible_ref_relation_set;
113 g_type_class_add_private (klass, sizeof (GtkRadioButtonAccessiblePrivate));
117 _gtk_radio_button_accessible_init (GtkRadioButtonAccessible *radio_button)
119 radio_button->priv = G_TYPE_INSTANCE_GET_PRIVATE (radio_button,
120 GTK_TYPE_RADIO_BUTTON_ACCESSIBLE,
121 GtkRadioButtonAccessiblePrivate);