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/* GAIL - The GNOME Accessibility Implementation Library
* 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
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "gtkcontaineraccessible.h"
G_DEFINE_TYPE (GtkContainerAccessible, _gtk_container_accessible, GTK_TYPE_WIDGET_ACCESSIBLE)
static gint
gtk_container_accessible_get_n_children (AtkObject* obj)
{
GtkWidget *widget;
GList *children;
gint count = 0;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
if (widget == NULL)
return 0;
children = gtk_container_get_children (GTK_CONTAINER(widget));
count = g_list_length (children);
g_list_free (children);
return count;
}
static AtkObject *
gtk_container_accessible_ref_child (AtkObject *obj,
gint i)
{
GList *children, *tmp_list;
AtkObject *accessible;
GtkWidget *widget;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
if (widget == NULL)
return NULL;
children = gtk_container_get_children (GTK_CONTAINER (widget));
tmp_list = g_list_nth (children, i);
if (!tmp_list)
{
g_list_free (children);
return NULL;
}
accessible = gtk_widget_get_accessible (GTK_WIDGET (tmp_list->data));
g_list_free (children);
g_object_ref (accessible);
return accessible;
}
static gint
gtk_container_accessible_add_gtk (GtkContainer *container,
GtkWidget *widget,
gpointer data)
{
GtkContainerAccessible *accessible = GTK_CONTAINER_ACCESSIBLE (data);
GtkContainerAccessibleClass *klass;
klass = GTK_CONTAINER_ACCESSIBLE_GET_CLASS (accessible);
if (klass->add_gtk)
return klass->add_gtk (container, widget, data);
else
return 1;
}
static gint
gtk_container_accessible_remove_gtk (GtkContainer *container,
GtkWidget *widget,
gpointer data)
{
GtkContainerAccessible *accessible = GTK_CONTAINER_ACCESSIBLE (data);
GtkContainerAccessibleClass *klass;
klass = GTK_CONTAINER_ACCESSIBLE_GET_CLASS (accessible);
if (klass->remove_gtk)
return klass->remove_gtk (container, widget, data);
else
return 1;
}
static gint
gtk_container_accessible_real_add_gtk (GtkContainer *container,
GtkWidget *widget,
gpointer data)
{
AtkObject *atk_parent;
AtkObject *atk_child;
GtkContainerAccessible *accessible;
gint index;
atk_parent = ATK_OBJECT (data);
atk_child = gtk_widget_get_accessible (widget);
accessible = GTK_CONTAINER_ACCESSIBLE (atk_parent);
g_object_notify (G_OBJECT (atk_child), "accessible-parent");
g_list_free (accessible->children);
accessible->children = gtk_container_get_children (container);
index = g_list_index (accessible->children, widget);
g_signal_emit_by_name (atk_parent, "children-changed::add", index, atk_child, NULL);
return 1;
}
static gint
gtk_container_accessible_real_remove_gtk (GtkContainer *container,
GtkWidget *widget,
gpointer data)
{
AtkObject* atk_parent;
AtkObject *atk_child;
GtkContainerAccessible *accessible;
gint index;
atk_parent = ATK_OBJECT (data);
atk_child = gtk_widget_get_accessible (widget);
if (atk_child == NULL)
return 1;
accessible = GTK_CONTAINER_ACCESSIBLE (atk_parent);
g_object_notify (G_OBJECT (atk_child), "accessible-parent");
index = g_list_index (accessible->children, widget);
g_list_free (accessible->children);
accessible->children = gtk_container_get_children (container);
if (index >= 0 && index <= g_list_length (accessible->children))
g_signal_emit_by_name (atk_parent, "children-changed::remove", index, atk_child, NULL);
return 1;
}
static void
gtk_container_accessible_real_initialize (AtkObject *obj,
gpointer data)
{
GtkContainerAccessible *accessible = GTK_CONTAINER_ACCESSIBLE (obj);
ATK_OBJECT_CLASS (_gtk_container_accessible_parent_class)->initialize (obj, data);
accessible->children = gtk_container_get_children (GTK_CONTAINER (data));
g_signal_connect (data, "add", G_CALLBACK (gtk_container_accessible_add_gtk), obj);
g_signal_connect (data, "remove", G_CALLBACK (gtk_container_accessible_remove_gtk), obj);
obj->role = ATK_ROLE_PANEL;
}
static void
gtk_container_accessible_finalize (GObject *object)
{
GtkContainerAccessible *accessible = GTK_CONTAINER_ACCESSIBLE (object);
g_list_free (accessible->children);
G_OBJECT_CLASS (_gtk_container_accessible_parent_class)->finalize (object);
}
static void
_gtk_container_accessible_class_init (GtkContainerAccessibleClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
gobject_class->finalize = gtk_container_accessible_finalize;
class->get_n_children = gtk_container_accessible_get_n_children;
class->ref_child = gtk_container_accessible_ref_child;
class->initialize = gtk_container_accessible_real_initialize;
klass->add_gtk = gtk_container_accessible_real_add_gtk;
klass->remove_gtk = gtk_container_accessible_real_remove_gtk;
}
static void
_gtk_container_accessible_init (GtkContainerAccessible *container)
{
}
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