gtk2/gtk/a11y/gtkmenubuttonaccessible.c
Matthias Clasen fec8a1ee7f menu button: Improve accessibility
Rework the way we assign an accessible name to menu buttons,
to make sure we pick up a label, should the button contain
one, and only override the name with "Menu" as a fallback.
2015-03-13 18:38:18 -04:00

120 lines
3.3 KiB
C

/* GTK+ - accessibility implementations
* Copyright 2001 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include <glib/gi18n-lib.h>
#include "gtkmenubuttonaccessible.h"
G_DEFINE_TYPE (GtkMenuButtonAccessible, gtk_menu_button_accessible, GTK_TYPE_TOGGLE_BUTTON_ACCESSIBLE)
static void
gtk_menu_button_accessible_initialize (AtkObject *accessible,
gpointer data)
{
ATK_OBJECT_CLASS (gtk_menu_button_accessible_parent_class)->initialize (accessible, data);
}
static gint
gtk_menu_button_accessible_get_n_children (AtkObject* obj)
{
GtkWidget *widget;
GtkWidget *submenu;
gint count = 0;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
if (widget == NULL)
return count;
submenu = GTK_WIDGET (gtk_menu_button_get_popup (GTK_MENU_BUTTON (widget)));
if (submenu)
{
GList *children;
children = gtk_container_get_children (GTK_CONTAINER (submenu));
count = g_list_length (children);
g_list_free (children);
}
return count;
}
static AtkObject *
gtk_menu_button_accessible_ref_child (AtkObject *obj,
gint i)
{
AtkObject *accessible = NULL;
GtkWidget *widget;
GtkWidget *submenu;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
if (widget == NULL)
return NULL;
submenu = GTK_WIDGET (gtk_menu_button_get_popup (GTK_MENU_BUTTON (widget)));
if (submenu)
{
GList *children;
GList *tmp_list;
children = gtk_container_get_children (GTK_CONTAINER (submenu));
tmp_list = g_list_nth (children, i);
if (tmp_list)
{
accessible = gtk_widget_get_accessible (GTK_WIDGET (tmp_list->data));
g_object_ref (accessible);
}
g_list_free (children);
}
return accessible;
}
static const gchar *
gtk_menu_button_accessible_get_name (AtkObject *obj)
{
const gchar *name = NULL;
GtkWidget *widget;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
if (widget == NULL)
return NULL;
name = ATK_OBJECT_CLASS (gtk_menu_button_accessible_parent_class)->get_name (obj);
if (name != NULL)
return name;
return _("Menu");
}
static void
gtk_menu_button_accessible_class_init (GtkMenuButtonAccessibleClass *klass)
{
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
class->get_name = gtk_menu_button_accessible_get_name;
class->initialize = gtk_menu_button_accessible_initialize;
class->get_n_children = gtk_menu_button_accessible_get_n_children;
class->ref_child = gtk_menu_button_accessible_ref_child;
}
static void
gtk_menu_button_accessible_init (GtkMenuButtonAccessible *menu_button)
{
}