gtk2/gtk/a11y/gtktogglebuttonaccessible.c

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/* GTK+ - accessibility implementations
* Copyright 2001, 2002, 2003 Sun Microsystems Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
2012-02-27 13:01:10 +00:00
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "gtktogglebuttonaccessible.h"
G_DEFINE_TYPE (GtkToggleButtonAccessible, gtk_toggle_button_accessible, GTK_TYPE_BUTTON_ACCESSIBLE)
static void
gtk_toggle_button_accessible_toggled (GtkWidget *widget)
{
AtkObject *accessible;
GtkToggleButton *toggle_button;
toggle_button = GTK_TOGGLE_BUTTON (widget);
accessible = gtk_widget_get_accessible (widget);
atk_object_notify_state_change (accessible, ATK_STATE_CHECKED,
gtk_toggle_button_get_active (toggle_button));
}
static void
gtk_toggle_button_accessible_initialize (AtkObject *obj,
gpointer data)
{
ATK_OBJECT_CLASS (gtk_toggle_button_accessible_parent_class)->initialize (obj, data);
g_signal_connect (data, "toggled",
G_CALLBACK (gtk_toggle_button_accessible_toggled), NULL);
obj->role = ATK_ROLE_TOGGLE_BUTTON;
}
static void
gtk_toggle_button_accessible_notify_gtk (GObject *obj,
GParamSpec *pspec)
{
GtkToggleButton *toggle_button = GTK_TOGGLE_BUTTON (obj);
AtkObject *atk_obj;
gboolean sensitive;
gboolean inconsistent;
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (toggle_button));
sensitive = gtk_widget_get_sensitive (GTK_WIDGET (toggle_button));
inconsistent = gtk_toggle_button_get_inconsistent (toggle_button);
if (strcmp (pspec->name, "inconsistent") == 0)
{
atk_object_notify_state_change (atk_obj, ATK_STATE_INDETERMINATE, inconsistent);
atk_object_notify_state_change (atk_obj, ATK_STATE_ENABLED, (sensitive && !inconsistent));
}
else if (strcmp (pspec->name, "sensitive") == 0)
{
/* Need to override gailwidget behavior of notifying for ENABLED */
atk_object_notify_state_change (atk_obj, ATK_STATE_SENSITIVE, sensitive);
atk_object_notify_state_change (atk_obj, ATK_STATE_ENABLED, (sensitive && !inconsistent));
}
else
GTK_WIDGET_ACCESSIBLE_CLASS (gtk_toggle_button_accessible_parent_class)->notify_gtk (obj, pspec);
}
static AtkStateSet*
gtk_toggle_button_accessible_ref_state_set (AtkObject *accessible)
{
AtkStateSet *state_set;
GtkToggleButton *toggle_button;
GtkWidget *widget;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
if (widget == NULL)
return NULL;
state_set = ATK_OBJECT_CLASS (gtk_toggle_button_accessible_parent_class)->ref_state_set (accessible);
toggle_button = GTK_TOGGLE_BUTTON (widget);
if (gtk_toggle_button_get_active (toggle_button))
atk_state_set_add_state (state_set, ATK_STATE_CHECKED);
if (gtk_toggle_button_get_inconsistent (toggle_button))
{
atk_state_set_remove_state (state_set, ATK_STATE_ENABLED);
atk_state_set_add_state (state_set, ATK_STATE_INDETERMINATE);
}
return state_set;
}
static void
gtk_toggle_button_accessible_class_init (GtkToggleButtonAccessibleClass *klass)
{
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
GtkWidgetAccessibleClass *widget_class = (GtkWidgetAccessibleClass*)klass;
widget_class->notify_gtk = gtk_toggle_button_accessible_notify_gtk;
class->ref_state_set = gtk_toggle_button_accessible_ref_state_set;
class->initialize = gtk_toggle_button_accessible_initialize;
}
static void
gtk_toggle_button_accessible_init (GtkToggleButtonAccessible *button)
{
}