gtk2/modules/other/gail/gailchecksubmenuitem.c
2010-07-13 19:40:46 +02:00

154 lines
5.2 KiB
C

/* GAIL - The GNOME Accessibility Implementation Library
* Copyright 2002 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
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "gailchecksubmenuitem.h"
static void gail_check_sub_menu_item_class_init (GailCheckSubMenuItemClass *klass);
static void gail_check_sub_menu_item_init (GailCheckSubMenuItem *item);
static void gail_check_sub_menu_item_toggled_gtk (GtkWidget *widget);
static void gail_check_sub_menu_item_real_notify_gtk (GObject *obj,
GParamSpec *pspec);
static void gail_check_sub_menu_item_real_initialize (AtkObject *obj,
gpointer data);
static AtkStateSet* gail_check_sub_menu_item_ref_state_set (AtkObject *accessible);
G_DEFINE_TYPE (GailCheckSubMenuItem, gail_check_sub_menu_item, GAIL_TYPE_SUB_MENU_ITEM)
static void
gail_check_sub_menu_item_class_init (GailCheckSubMenuItemClass *klass)
{
GailWidgetClass *widget_class;
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
widget_class = (GailWidgetClass*)klass;
widget_class->notify_gtk = gail_check_sub_menu_item_real_notify_gtk;
class->ref_state_set = gail_check_sub_menu_item_ref_state_set;
class->initialize = gail_check_sub_menu_item_real_initialize;
}
static void
gail_check_sub_menu_item_init (GailCheckSubMenuItem *item)
{
}
AtkObject*
gail_check_sub_menu_item_new (GtkWidget *widget)
{
GObject *object;
AtkObject *accessible;
g_return_val_if_fail (GTK_IS_CHECK_MENU_ITEM (widget), NULL);
object = g_object_new (GAIL_TYPE_CHECK_SUB_MENU_ITEM, NULL);
accessible = ATK_OBJECT (object);
atk_object_initialize (accessible, widget);
return accessible;
}
static void
gail_check_sub_menu_item_real_initialize (AtkObject *obj,
gpointer data)
{
ATK_OBJECT_CLASS (gail_check_sub_menu_item_parent_class)->initialize (obj, data);
g_signal_connect (data,
"toggled",
G_CALLBACK (gail_check_sub_menu_item_toggled_gtk),
NULL);
obj->role = ATK_ROLE_CHECK_MENU_ITEM;
}
static void
gail_check_sub_menu_item_toggled_gtk (GtkWidget *widget)
{
AtkObject *accessible;
GtkCheckMenuItem *check_menu_item;
check_menu_item = GTK_CHECK_MENU_ITEM (widget);
accessible = gtk_widget_get_accessible (widget);
atk_object_notify_state_change (accessible, ATK_STATE_CHECKED,
gtk_check_menu_item_get_active (check_menu_item));
}
static AtkStateSet*
gail_check_sub_menu_item_ref_state_set (AtkObject *accessible)
{
AtkStateSet *state_set;
GtkCheckMenuItem *check_menu_item;
GtkWidget *widget;
state_set = ATK_OBJECT_CLASS (gail_check_sub_menu_item_parent_class)->ref_state_set (accessible);
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
if (widget == NULL)
return state_set;
check_menu_item = GTK_CHECK_MENU_ITEM (widget);
if (gtk_check_menu_item_get_active (check_menu_item))
atk_state_set_add_state (state_set, ATK_STATE_CHECKED);
if (gtk_check_menu_item_get_inconsistent (check_menu_item))
atk_state_set_remove_state (state_set, ATK_STATE_ENABLED);
return state_set;
}
static void
gail_check_sub_menu_item_real_notify_gtk (GObject *obj,
GParamSpec *pspec)
{
GtkCheckMenuItem *check_menu_item = GTK_CHECK_MENU_ITEM (obj);
AtkObject *atk_obj;
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (check_menu_item));
if (strcmp (pspec->name, "inconsistent") == 0)
atk_object_notify_state_change (atk_obj, ATK_STATE_ENABLED,
(gtk_widget_get_sensitive (GTK_WIDGET (check_menu_item)) &&
!gtk_check_menu_item_get_inconsistent (check_menu_item)));
else if (strcmp (pspec->name, "sensitive") == 0)
{
/* Need to override gailwidget behavior of notifying for ENABLED */
gboolean sensitive;
gboolean enabled;
sensitive = gtk_widget_get_sensitive (GTK_WIDGET (check_menu_item));
enabled = sensitive &&
!gtk_check_menu_item_get_inconsistent (check_menu_item);
atk_object_notify_state_change (atk_obj, ATK_STATE_SENSITIVE, sensitive);
atk_object_notify_state_change (atk_obj, ATK_STATE_ENABLED, enabled);
}
else
GAIL_WIDGET_CLASS (gail_check_sub_menu_item_parent_class)->notify_gtk (obj, pspec);
}