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/*
* This program 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.
*
* This program 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 General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*
* Authors:
* Yuedong Du <yuedong.du@sun.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "gal-a11y-e-tree.h"
#include "e-table-item.h"
#include "e-tree.h"
#include "gal-a11y-e-table-item.h"
#include "gal-a11y-e-tree-factory.h"
#include "gal-a11y-util.h"
#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yETreeClass))
struct _GalA11yETreePrivate {
AtkObject *child_item;
};
static void et_atk_component_iface_init (AtkComponentIface *iface);
G_DEFINE_TYPE_WITH_CODE (GalA11yETree, gal_a11y_e_tree, GTK_TYPE_CONTAINER_ACCESSIBLE,
G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, et_atk_component_iface_init))
/* Static functions */
static void
init_child_item (GalA11yETree *a11y)
{
GalA11yETreePrivate *priv = a11y->priv;
ETree *tree;
ETableItem * eti;
tree = E_TREE (gtk_accessible_get_widget (GTK_ACCESSIBLE (a11y)));
g_return_if_fail (tree);
eti = e_tree_get_item (tree);
if (priv->child_item == NULL) {
priv->child_item = atk_gobject_accessible_for_object (G_OBJECT (eti));
}
}
static AtkObject *
et_ref_accessible_at_point (AtkComponent *component,
gint x,
gint y,
AtkCoordType coord_type)
{
GalA11yETree *a11y = GAL_A11Y_E_TREE (component);
init_child_item (a11y);
return a11y->priv->child_item;
}
static gint
et_get_n_children (AtkObject *accessible)
{
return 1;
}
static AtkObject *
et_ref_child (AtkObject *accessible,
gint i)
{
GalA11yETree *a11y = GAL_A11Y_E_TREE (accessible);
if (i != 0)
return NULL;
init_child_item (a11y);
g_object_ref (a11y->priv->child_item);
return a11y->priv->child_item;
}
static AtkLayer
et_get_layer (AtkComponent *component)
{
return ATK_LAYER_WIDGET;
}
static void
gal_a11y_e_tree_class_init (GalA11yETreeClass *class)
{
AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (class);
atk_object_class->get_n_children = et_get_n_children;
atk_object_class->ref_child = et_ref_child;
g_type_class_add_private (class, sizeof (GalA11yETreePrivate));
}
static void
et_atk_component_iface_init (AtkComponentIface *iface)
{
iface->ref_accessible_at_point = et_ref_accessible_at_point;
iface->get_layer = et_get_layer;
}
static void
gal_a11y_e_tree_init (GalA11yETree *a11y)
{
a11y->priv = G_TYPE_INSTANCE_GET_PRIVATE (a11y, GAL_A11Y_TYPE_E_TREE, GalA11yETreePrivate);
a11y->priv->child_item = NULL;
}
AtkObject *
gal_a11y_e_tree_new (GObject *widget)
{
GalA11yETree *a11y;
a11y = g_object_new (gal_a11y_e_tree_get_type (), NULL);
gtk_accessible_set_widget (GTK_ACCESSIBLE (a11y), GTK_WIDGET (widget));
return ATK_OBJECT (a11y);
}
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