gtk2/gtk/a11y/gtkswitchaccessible.c

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/* GTK - The GIMP Toolkit
*
* Copyright (C) 2010 Intel Corporation
* Copyright (C) 2010 RedHat, 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
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author:
* Emmanuele Bassi <ebassi@linux.intel.com>
* Matthias Clasen <mclasen@redhat.com>
*
* Based on similar code from Mx.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "gtkintl.h"
#include "gtkswitchaccessible.h"
static void atk_action_interface_init (AtkActionIface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkSwitchAccessible, _gtk_switch_accessible, GTK_TYPE_WIDGET_ACCESSIBLE,
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G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init))
static AtkStateSet *
gtk_switch_accessible_ref_state_set (AtkObject *accessible)
{
AtkStateSet *state_set;
GtkWidget *widget;
state_set = ATK_OBJECT_CLASS (_gtk_switch_accessible_parent_class)->ref_state_set (accessible);
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
if (widget == NULL)
return state_set;
if (gtk_switch_get_active (GTK_SWITCH (widget)))
atk_state_set_add_state (state_set, ATK_STATE_CHECKED);
return state_set;
}
static void
gtk_switch_accessible_initialize (AtkObject *accessible,
gpointer widget)
{
ATK_OBJECT_CLASS (_gtk_switch_accessible_parent_class)->initialize (accessible, widget);
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atk_object_set_role (accessible, ATK_ROLE_TOGGLE_BUTTON);
atk_object_set_name (accessible, C_("light switch widget", "Switch"));
atk_object_set_description (accessible, _("Switches between on and off states"));
}
static void
_gtk_switch_accessible_class_init (GtkSwitchAccessibleClass *klass)
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{
AtkObjectClass *atk_class = ATK_OBJECT_CLASS (klass);
atk_class->initialize = gtk_switch_accessible_initialize;
atk_class->ref_state_set = gtk_switch_accessible_ref_state_set;
}
static void
_gtk_switch_accessible_init (GtkSwitchAccessible *self)
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{
}
static gint
gtk_switch_action_get_n_actions (AtkAction *action)
{
return 1;
}
static const gchar *
gtk_switch_action_get_name (AtkAction *action,
gint i)
{
if (i != 0)
return NULL;
return "toggle";
}
static gboolean
gtk_switch_action_do_action (AtkAction *action,
gint i)
{
GtkSwitch *sw;
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GtkWidget *widget;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
if (widget == NULL)
return FALSE;
if (i != 0)
return FALSE;
if (!gtk_widget_is_sensitive (widget) || !gtk_widget_get_visible (widget))
return FALSE;
sw = GTK_SWITCH (widget);
gtk_switch_set_active (sw, !gtk_switch_get_active (sw));
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return TRUE;
}
static void
atk_action_interface_init (AtkActionIface *iface)
{
iface->do_action = gtk_switch_action_do_action;
iface->get_n_actions = gtk_switch_action_get_n_actions;
iface->get_name = gtk_switch_action_get_name;
}