gtk/modules/other/gail/gailcontainercell.c
Christian Persch 11ae610d93 Fix compiler warnings. Bug #504701.
svn path=/trunk/; revision=19229
2007-12-23 12:37:13 +00:00

182 lines
5.0 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 "gailcontainercell.h"
static void gail_container_cell_class_init (GailContainerCellClass *klass);
static void gail_container_cell_init (GailContainerCell *cell);
static void gail_container_cell_finalize (GObject *obj);
static void _gail_container_cell_recompute_child_indices
(GailContainerCell *container);
static void gail_container_cell_refresh_child_index (GailCell *cell);
static gint gail_container_cell_get_n_children (AtkObject *obj);
static AtkObject* gail_container_cell_ref_child (AtkObject *obj,
gint child);
G_DEFINE_TYPE (GailContainerCell, gail_container_cell, GAIL_TYPE_CELL)
static void
gail_container_cell_class_init (GailContainerCellClass *klass)
{
AtkObjectClass *class = ATK_OBJECT_CLASS(klass);
GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
g_object_class->finalize = gail_container_cell_finalize;
class->get_n_children = gail_container_cell_get_n_children;
class->ref_child = gail_container_cell_ref_child;
}
static void
gail_container_cell_init (GailContainerCell *cell)
{
}
GailContainerCell *
gail_container_cell_new (void)
{
GObject *object;
AtkObject *atk_object;
GailContainerCell *container;
object = g_object_new (GAIL_TYPE_CONTAINER_CELL, NULL);
g_return_val_if_fail (object != NULL, NULL);
atk_object = ATK_OBJECT (object);
atk_object->role = ATK_ROLE_TABLE_CELL;
container = GAIL_CONTAINER_CELL(object);
container->children = NULL;
container->NChildren = 0;
return container;
}
static void
gail_container_cell_finalize (GObject *obj)
{
GailContainerCell *container = GAIL_CONTAINER_CELL (obj);
GList *list;
list = container->children;
while (list)
{
g_object_unref (list->data);
list = list->next;
}
g_list_free (container->children);
G_OBJECT_CLASS (gail_container_cell_parent_class)->finalize (obj);
}
void
gail_container_cell_add_child (GailContainerCell *container,
GailCell *child)
{
gint child_index;
g_return_if_fail (GAIL_IS_CONTAINER_CELL(container));
g_return_if_fail (GAIL_IS_CELL(child));
child_index = container->NChildren++;
container->children = g_list_append (container->children, (gpointer) child);
child->index = child_index;
atk_object_set_parent (ATK_OBJECT (child), ATK_OBJECT (container));
child->refresh_index = gail_container_cell_refresh_child_index;
}
void
gail_container_cell_remove_child (GailContainerCell *container,
GailCell *child)
{
g_return_if_fail (GAIL_IS_CONTAINER_CELL(container));
g_return_if_fail (GAIL_IS_CELL(child));
g_return_if_fail (container->NChildren > 0);
container->children = g_list_remove (container->children, (gpointer) child);
_gail_container_cell_recompute_child_indices (container);
container->NChildren--;
}
static void
_gail_container_cell_recompute_child_indices (GailContainerCell *container)
{
gint cur_index = 0;
GList *temp_list;
g_return_if_fail (GAIL_IS_CONTAINER_CELL(container));
for (temp_list = container->children; temp_list; temp_list = temp_list->next)
{
GAIL_CELL(temp_list->data)->index = cur_index;
cur_index++;
}
}
static void
gail_container_cell_refresh_child_index (GailCell *cell)
{
GailContainerCell *container;
g_return_if_fail (GAIL_IS_CELL(cell));
container = GAIL_CONTAINER_CELL (atk_object_get_parent (ATK_OBJECT(cell)));
g_return_if_fail (GAIL_IS_CONTAINER_CELL (container));
_gail_container_cell_recompute_child_indices (container);
}
static gint
gail_container_cell_get_n_children (AtkObject *obj)
{
GailContainerCell *cell;
g_return_val_if_fail (GAIL_IS_CONTAINER_CELL(obj), 0);
cell = GAIL_CONTAINER_CELL(obj);
return cell->NChildren;
}
static AtkObject *
gail_container_cell_ref_child (AtkObject *obj,
gint child)
{
GailContainerCell *cell;
GList *list_node;
g_return_val_if_fail (GAIL_IS_CONTAINER_CELL(obj), NULL);
cell = GAIL_CONTAINER_CELL(obj);
list_node = g_list_nth (cell->children, child);
if (!list_node)
return NULL;
return g_object_ref (ATK_OBJECT (list_node->data));
}