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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; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the 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)
*
*/
#include <config.h>
#include "a11y/gal-a11y-util.h"
#include "table/e-table-item.h"
#include "table/e-tree.h"
#include "gal-a11y-e-table-item.h"
#include "gal-a11y-e-tree.h"
#include "gal-a11y-e-tree-factory.h"
#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yETreeClass))
static AtkObjectClass *parent_class;
static GType parent_type;
static gint priv_offset;
#define GET_PRIVATE(object) ((GalA11yETreePrivate *) (((gchar *) object) + priv_offset))
#define PARENT_TYPE (parent_type)
struct _GalA11yETreePrivate {
AtkObject *child_item;
};
/* Static functions */
static void
init_child_item (GalA11yETree *a11y)
{
GalA11yETreePrivate *priv = GET_PRIVATE (a11y);
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 GET_PRIVATE (a11y)->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 (GET_PRIVATE (a11y)->child_item);
return GET_PRIVATE (a11y)->child_item;
}
static AtkLayer
et_get_layer (AtkComponent *component)
{
return ATK_LAYER_WIDGET;
}
static void
et_class_init (GalA11yETreeClass *class)
{
AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (class);
parent_class = g_type_class_ref (PARENT_TYPE);
atk_object_class->get_n_children = et_get_n_children;
atk_object_class->ref_child = et_ref_child;
}
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
et_init (GalA11yETree *a11y)
{
GalA11yETreePrivate *priv;
priv = GET_PRIVATE (a11y);
priv->child_item = NULL;
}
/**
* gal_a11y_e_tree_get_type:
* @void:
*
* Registers the &GalA11yETree class if necessary, and returns the type ID
* associated to it.
*
* Return value: The type ID of the &GalA11yETree class.
**/
GType
gal_a11y_e_tree_get_type (void)
{
static GType type = 0;
if (!type) {
AtkObjectFactory *factory;
GTypeInfo info = {
sizeof (GalA11yETreeClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) et_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (GalA11yETree),
0,
(GInstanceInitFunc) et_init,
NULL /* value_tree */
};
static const GInterfaceInfo atk_component_info = {
(GInterfaceInitFunc) et_atk_component_iface_init,
(GInterfaceFinalizeFunc) NULL,
NULL
};
factory = atk_registry_get_factory (atk_get_default_registry (), GTK_TYPE_WIDGET);
parent_type = atk_object_factory_get_accessible_type (factory);
type = gal_a11y_type_register_static_with_private (PARENT_TYPE, "GalA11yETree", &info, 0,
sizeof (GalA11yETreePrivate), &priv_offset);
g_type_add_interface_static (type, ATK_TYPE_COMPONENT, &atk_component_info);
}
return type;
}
AtkObject *
gal_a11y_e_tree_new (GObject *widget)
{
GalA11yETree *a11y;
a11y = g_object_new (gal_a11y_e_tree_get_type (), NULL);
/* FIXME No way to do this in GTK 3. */
/*GTK_ACCESSIBLE (a11y)->widget = GTK_WIDGET (widget);*/
return ATK_OBJECT (a11y);
}
void
gal_a11y_e_tree_init (void)
{
if (atk_get_root ())
atk_registry_set_factory_type (atk_get_default_registry (),
E_TYPE_TREE,
gal_a11y_e_tree_factory_get_type ());
}
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