forked from AuroraMiddleware/gtk
150 lines
4.2 KiB
C
150 lines
4.2 KiB
C
/* GAIL - The GNOME Accessibility Enabling Library
|
|
* 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, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <gtk/gtk.h>
|
|
#include "gtkcontainercellaccessible.h"
|
|
|
|
|
|
G_DEFINE_TYPE (GtkContainerCellAccessible, _gtk_container_cell_accessible, GTK_TYPE_CELL_ACCESSIBLE)
|
|
|
|
|
|
static void
|
|
gtk_container_cell_accessible_finalize (GObject *obj)
|
|
{
|
|
GtkContainerCellAccessible *container = GTK_CONTAINER_CELL_ACCESSIBLE (obj);
|
|
|
|
g_list_free_full (container->children, g_object_unref);
|
|
|
|
G_OBJECT_CLASS (_gtk_container_cell_accessible_parent_class)->finalize (obj);
|
|
}
|
|
|
|
|
|
static gint
|
|
gtk_container_cell_accessible_get_n_children (AtkObject *obj)
|
|
{
|
|
GtkContainerCellAccessible *cell = GTK_CONTAINER_CELL_ACCESSIBLE (obj);
|
|
|
|
return cell->NChildren;
|
|
}
|
|
|
|
static AtkObject *
|
|
gtk_container_cell_accessible_ref_child (AtkObject *obj,
|
|
gint child)
|
|
{
|
|
GtkContainerCellAccessible *cell = GTK_CONTAINER_CELL_ACCESSIBLE (obj);
|
|
GList *l;
|
|
|
|
l = g_list_nth (cell->children, child);
|
|
if (l == NULL)
|
|
return NULL;
|
|
|
|
return g_object_ref (ATK_OBJECT (l->data));
|
|
}
|
|
|
|
static void
|
|
_gtk_container_cell_accessible_class_init (GtkContainerCellAccessibleClass *klass)
|
|
{
|
|
AtkObjectClass *class = ATK_OBJECT_CLASS(klass);
|
|
GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
|
|
|
|
g_object_class->finalize = gtk_container_cell_accessible_finalize;
|
|
|
|
class->get_n_children = gtk_container_cell_accessible_get_n_children;
|
|
class->ref_child = gtk_container_cell_accessible_ref_child;
|
|
}
|
|
|
|
static void
|
|
_gtk_container_cell_accessible_init (GtkContainerCellAccessible *cell)
|
|
{
|
|
}
|
|
|
|
GtkContainerCellAccessible *
|
|
_gtk_container_cell_accessible_new (void)
|
|
{
|
|
GObject *object;
|
|
AtkObject *atk_object;
|
|
GtkContainerCellAccessible *container;
|
|
|
|
object = g_object_new (GTK_TYPE_CONTAINER_CELL_ACCESSIBLE, NULL);
|
|
|
|
g_return_val_if_fail (object != NULL, NULL);
|
|
|
|
atk_object = ATK_OBJECT (object);
|
|
atk_object->role = ATK_ROLE_TABLE_CELL;
|
|
|
|
container = GTK_CONTAINER_CELL_ACCESSIBLE (object);
|
|
container->children = NULL;
|
|
container->NChildren = 0;
|
|
return container;
|
|
}
|
|
|
|
static void
|
|
recompute_child_indices (GtkContainerCellAccessible *container)
|
|
{
|
|
gint cur_index = 0;
|
|
GList *l;
|
|
|
|
for (l = container->children; l; l = l->next)
|
|
{
|
|
GTK_CELL_ACCESSIBLE (l->data)->index = cur_index;
|
|
cur_index++;
|
|
}
|
|
}
|
|
|
|
static void
|
|
refresh_child_index (GtkCellAccessible *cell)
|
|
{
|
|
AtkObject *parent;
|
|
|
|
parent = atk_object_get_parent (ATK_OBJECT (cell));
|
|
|
|
recompute_child_indices (GTK_CONTAINER_CELL_ACCESSIBLE (parent));
|
|
}
|
|
|
|
void
|
|
_gtk_container_cell_accessible_add_child (GtkContainerCellAccessible *container,
|
|
GtkCellAccessible *child)
|
|
{
|
|
gint child_index;
|
|
|
|
g_return_if_fail (GTK_IS_CONTAINER_CELL_ACCESSIBLE (container));
|
|
g_return_if_fail (GTK_IS_CELL_ACCESSIBLE (child));
|
|
|
|
child_index = container->NChildren++;
|
|
container->children = g_list_append (container->children, child);
|
|
child->index = child_index;
|
|
atk_object_set_parent (ATK_OBJECT (child), ATK_OBJECT (container));
|
|
child->refresh_index = refresh_child_index;
|
|
}
|
|
|
|
void
|
|
_gtk_container_cell_accessible_remove_child (GtkContainerCellAccessible *container,
|
|
GtkCellAccessible *child)
|
|
{
|
|
g_return_if_fail (GTK_IS_CONTAINER_CELL_ACCESSIBLE (container));
|
|
g_return_if_fail (GTK_IS_CELL_ACCESSIBLE (child));
|
|
g_return_if_fail (container->NChildren > 0);
|
|
|
|
container->children = g_list_remove (container->children, child);
|
|
recompute_child_indices (container);
|
|
container->NChildren--;
|
|
}
|