196 lines
4.6 KiB
C
196 lines
4.6 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the program; if not, see <http://www.gnu.org/licenses/>
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*
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*
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* Authors:
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* Yuedong Du <yuedong.du@sun.com>
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*
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* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "a11y/gal-a11y-util.h"
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#include "table/e-table-item.h"
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#include "table/e-tree.h"
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#include "gal-a11y-e-table-item.h"
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#include "gal-a11y-e-tree.h"
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#include "gal-a11y-e-tree-factory.h"
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#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yETreeClass))
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static AtkObjectClass *parent_class;
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static GType parent_type;
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static gint priv_offset;
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#define GET_PRIVATE(object) ((GalA11yETreePrivate *) (((gchar *) object) + priv_offset))
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#define PARENT_TYPE (parent_type)
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struct _GalA11yETreePrivate {
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AtkObject *child_item;
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};
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/* Static functions */
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static void
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init_child_item (GalA11yETree *a11y)
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{
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GalA11yETreePrivate *priv = GET_PRIVATE (a11y);
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ETree *tree;
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ETableItem * eti;
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tree = E_TREE (gtk_accessible_get_widget (GTK_ACCESSIBLE (a11y)));
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g_return_if_fail (tree);
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eti = e_tree_get_item (tree);
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if (priv->child_item == NULL) {
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priv->child_item = atk_gobject_accessible_for_object (G_OBJECT (eti));
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}
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}
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static AtkObject*
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et_ref_accessible_at_point (AtkComponent *component,
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gint x,
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gint y,
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AtkCoordType coord_type)
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{
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GalA11yETree *a11y = GAL_A11Y_E_TREE (component);
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init_child_item (a11y);
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return GET_PRIVATE (a11y)->child_item;
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}
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static gint
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et_get_n_children (AtkObject *accessible)
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{
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return 1;
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}
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static AtkObject*
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et_ref_child (AtkObject *accessible,
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gint i)
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{
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GalA11yETree *a11y = GAL_A11Y_E_TREE (accessible);
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if (i != 0)
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return NULL;
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init_child_item (a11y);
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g_object_ref (GET_PRIVATE (a11y)->child_item);
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return GET_PRIVATE (a11y)->child_item;
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}
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static AtkLayer
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et_get_layer (AtkComponent *component)
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{
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return ATK_LAYER_WIDGET;
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}
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static void
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et_class_init (GalA11yETreeClass *class)
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{
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AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (class);
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parent_class = g_type_class_ref (PARENT_TYPE);
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atk_object_class->get_n_children = et_get_n_children;
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atk_object_class->ref_child = et_ref_child;
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}
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static void
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et_atk_component_iface_init (AtkComponentIface *iface)
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{
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iface->ref_accessible_at_point = et_ref_accessible_at_point;
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iface->get_layer = et_get_layer;
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}
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static void
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et_init (GalA11yETree *a11y)
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{
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GalA11yETreePrivate *priv;
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priv = GET_PRIVATE (a11y);
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priv->child_item = NULL;
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}
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/**
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* gal_a11y_e_tree_get_type:
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* @void:
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*
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* Registers the &GalA11yETree class if necessary, and returns the type ID
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* associated to it.
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*
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* Return value: The type ID of the &GalA11yETree class.
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**/
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GType
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gal_a11y_e_tree_get_type (void)
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{
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static GType type = 0;
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if (!type) {
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AtkObjectFactory *factory;
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GTypeInfo info = {
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sizeof (GalA11yETreeClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) et_class_init,
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(GClassFinalizeFunc) NULL,
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NULL, /* class_data */
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sizeof (GalA11yETree),
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0,
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(GInstanceInitFunc) et_init,
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NULL /* value_tree */
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};
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static const GInterfaceInfo atk_component_info = {
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(GInterfaceInitFunc) et_atk_component_iface_init,
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(GInterfaceFinalizeFunc) NULL,
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NULL
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};
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factory = atk_registry_get_factory (atk_get_default_registry (), GTK_TYPE_WIDGET);
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parent_type = atk_object_factory_get_accessible_type (factory);
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type = gal_a11y_type_register_static_with_private (PARENT_TYPE, "GalA11yETree", &info, 0,
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sizeof (GalA11yETreePrivate), &priv_offset);
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g_type_add_interface_static (type, ATK_TYPE_COMPONENT, &atk_component_info);
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}
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return type;
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}
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AtkObject *
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gal_a11y_e_tree_new (GObject *widget)
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{
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GalA11yETree *a11y;
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a11y = g_object_new (gal_a11y_e_tree_get_type (), NULL);
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gtk_accessible_set_widget (GTK_ACCESSIBLE (a11y), GTK_WIDGET (widget));
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return ATK_OBJECT (a11y);
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}
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void
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gal_a11y_e_tree_init (void)
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{
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if (atk_get_root ())
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atk_registry_set_factory_type (atk_get_default_registry (),
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E_TYPE_TREE,
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gal_a11y_e_tree_factory_get_type ());
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}
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