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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 <glib-object.h>
#include "core-types.h"
#include "gimpimage.h"
#include "gimpitem.h"
#include "gimpitemundo.h"
enum
{
PROP_0,
PROP_ITEM
};
static void gimp_item_undo_class_init (GimpItemUndoClass *klass);
static GObject * gimp_item_undo_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_item_undo_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_item_undo_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_item_undo_free (GimpUndo *undo,
GimpUndoMode undo_mode);
static GimpUndoClass *parent_class = NULL;
GType
gimp_item_undo_get_type (void)
{
static GType undo_type = 0;
if (! undo_type)
{
static const GTypeInfo undo_info =
{
sizeof (GimpItemUndoClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_item_undo_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpItemUndo),
0, /* n_preallocs */
NULL /* instance_init */
};
undo_type = g_type_register_static (GIMP_TYPE_UNDO,
"GimpItemUndo",
&undo_info, 0);
}
return undo_type;
}
static void
gimp_item_undo_class_init (GimpItemUndoClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->constructor = gimp_item_undo_constructor;
object_class->set_property = gimp_item_undo_set_property;
object_class->get_property = gimp_item_undo_get_property;
undo_class->free = gimp_item_undo_free;
g_object_class_install_property (object_class, PROP_ITEM,
g_param_spec_object ("item", NULL, NULL,
GIMP_TYPE_ITEM,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static GObject *
gimp_item_undo_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpItemUndo *item_undo;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
item_undo = GIMP_ITEM_UNDO (object);
g_assert (GIMP_IS_ITEM (item_undo->item));
return object;
}
static void
gimp_item_undo_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpItemUndo *item_undo = GIMP_ITEM_UNDO (object);
switch (property_id)
{
case PROP_ITEM:
item_undo->item = (GimpItem *) g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_item_undo_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpItemUndo *item_undo = GIMP_ITEM_UNDO (object);
switch (property_id)
{
case PROP_ITEM:
g_value_set_object (value, item_undo->item);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_item_undo_free (GimpUndo *undo,
GimpUndoMode undo_mode)
{
GimpItemUndo *item_undo = GIMP_ITEM_UNDO (undo);
GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
if (item_undo->item)
{
g_object_unref (item_undo->item);
item_undo->item = NULL;
}
}
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