gimp/app/core/gimpitemstack.c

127 lines
3.7 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
*
* gimpitemstack.c
* Copyright (C) 2008 Michael Natterer <mitch@gimp.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gegl.h>
#include "core-types.h"
#include "gimpitem.h"
#include "gimpitemstack.h"
/* local function prototypes */
static GObject * gimp_item_stack_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_item_stack_add (GimpContainer *container,
GimpObject *object);
static void gimp_item_stack_remove (GimpContainer *container,
GimpObject *object);
G_DEFINE_TYPE (GimpItemStack, gimp_item_stack, GIMP_TYPE_LIST)
#define parent_class gimp_item_stack_parent_class
static void
gimp_item_stack_class_init (GimpItemStackClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpContainerClass *container_class = GIMP_CONTAINER_CLASS (klass);
object_class->constructor = gimp_item_stack_constructor;
container_class->add = gimp_item_stack_add;
container_class->remove = gimp_item_stack_remove;
}
static void
gimp_item_stack_init (GimpItemStack *stack)
{
}
static GObject *
gimp_item_stack_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpContainer *container;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
container = GIMP_CONTAINER (object);
g_assert (g_type_is_a (gimp_container_get_children_type (container),
GIMP_TYPE_ITEM));
return object;
}
static void
gimp_item_stack_add (GimpContainer *container,
GimpObject *object)
{
g_object_ref_sink (object);
GIMP_CONTAINER_CLASS (parent_class)->add (container, object);
g_object_unref (object);
}
static void
gimp_item_stack_remove (GimpContainer *container,
GimpObject *object)
{
GIMP_CONTAINER_CLASS (parent_class)->remove (container, object);
}
/* public functions */
GimpContainer *
gimp_item_stack_new (GType item_type)
{
g_return_val_if_fail (g_type_is_a (item_type, GIMP_TYPE_ITEM), NULL);
return g_object_new (GIMP_TYPE_ITEM_STACK,
"name", g_type_name (item_type),
"children-type", item_type,
"policy", GIMP_CONTAINER_POLICY_STRONG,
"unique-names", TRUE,
NULL);
}
void
gimp_item_stack_invalidate_previews (GimpItemStack *stack)
{
g_return_if_fail (GIMP_IS_ITEM_STACK (stack));
gimp_container_foreach (GIMP_CONTAINER (stack),
(GFunc) gimp_viewable_invalidate_preview,
NULL);
}