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/* 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 "gtkmenushellaccessible.h"
static void atk_selection_interface_init (AtkSelectionIface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkMenuShellAccessible, gtk_menu_shell_accessible, GTK_TYPE_CONTAINER_ACCESSIBLE,
G_IMPLEMENT_INTERFACE (ATK_TYPE_SELECTION, atk_selection_interface_init))
static void
gtk_menu_shell_accessible_initialize (AtkObject *accessible,
gpointer data)
{
ATK_OBJECT_CLASS (gtk_menu_shell_accessible_parent_class)->initialize (accessible, data);
accessible->role = ATK_ROLE_UNKNOWN;
}
static void
gtk_menu_shell_accessible_class_init (GtkMenuShellAccessibleClass *klass)
{
AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass);
atk_object_class->initialize = gtk_menu_shell_accessible_initialize;
}
static void
gtk_menu_shell_accessible_init (GtkMenuShellAccessible *menu_shell)
{
}
static gboolean
gtk_menu_shell_accessible_add_selection (AtkSelection *selection,
gint i)
{
GList *kids;
GtkWidget *item;
guint length;
GtkWidget *widget;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
if (widget == NULL)
return FALSE;
kids = gtk_container_get_children (GTK_CONTAINER (widget));
length = g_list_length (kids);
if (i < 0 || i > length)
{
g_list_free (kids);
return FALSE;
}
item = g_list_nth_data (kids, i);
g_list_free (kids);
g_return_val_if_fail (GTK_IS_MENU_ITEM (item), FALSE);
gtk_menu_shell_select_item (GTK_MENU_SHELL (widget), item);
return TRUE;
}
static gboolean
gtk_menu_shell_accessible_clear_selection (AtkSelection *selection)
{
GtkMenuShell *shell;
GtkWidget *widget;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
if (widget == NULL)
return FALSE;
shell = GTK_MENU_SHELL (widget);
gtk_menu_shell_deselect (shell);
return TRUE;
}
static AtkObject *
gtk_menu_shell_accessible_ref_selection (AtkSelection *selection,
gint i)
{
GtkMenuShell *shell;
AtkObject *obj;
GtkWidget *widget;
GtkWidget *item;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
if (widget == NULL)
return NULL;
if (i != 0)
return NULL;
shell = GTK_MENU_SHELL (widget);
item = gtk_menu_shell_get_selected_item (shell);
if (item != NULL)
{
obj = gtk_widget_get_accessible (item);
g_object_ref (obj);
return obj;
}
return NULL;
}
static gint
gtk_menu_shell_accessible_get_selection_count (AtkSelection *selection)
{
GtkMenuShell *shell;
GtkWidget *widget;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
if (widget == NULL)
return 0;
shell = GTK_MENU_SHELL (widget);
if (gtk_menu_shell_get_selected_item (shell) != NULL)
return 1;
return 0;
}
static gboolean
gtk_menu_shell_accessible_is_child_selected (AtkSelection *selection,
gint i)
{
GtkMenuShell *shell;
GList *kids;
gint j;
GtkWidget *widget;
GtkWidget *item;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
if (widget == NULL)
return FALSE;
shell = GTK_MENU_SHELL (widget);
item = gtk_menu_shell_get_selected_item (shell);
if (item == NULL)
return FALSE;
kids = gtk_container_get_children (GTK_CONTAINER (shell));
j = g_list_index (kids, item);
g_list_free (kids);
return j==i;
}
static gboolean
gtk_menu_shell_accessible_remove_selection (AtkSelection *selection,
gint i)
{
GtkMenuShell *shell;
GtkWidget *widget;
GtkWidget *item;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
if (widget == NULL)
return FALSE;
if (i != 0)
return FALSE;
shell = GTK_MENU_SHELL (widget);
item = gtk_menu_shell_get_selected_item (shell);
if (item && gtk_menu_item_get_submenu (GTK_MENU_ITEM (item)))
gtk_menu_shell_deselect (shell);
return TRUE;
}
static void
atk_selection_interface_init (AtkSelectionIface *iface)
{
iface->add_selection = gtk_menu_shell_accessible_add_selection;
iface->clear_selection = gtk_menu_shell_accessible_clear_selection;
iface->ref_selection = gtk_menu_shell_accessible_ref_selection;
iface->get_selection_count = gtk_menu_shell_accessible_get_selection_count;
iface->is_child_selected = gtk_menu_shell_accessible_is_child_selected;
iface->remove_selection = gtk_menu_shell_accessible_remove_selection;
}
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