mirror of https://github.com/GNOME/gimp.git
151 lines
4.6 KiB
C
151 lines
4.6 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <glib-object.h>
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#include "core-types.h"
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#include "gimpimage.h"
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#include "gimpitem.h"
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#include "gimpitemundo.h"
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enum
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{
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PROP_0,
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PROP_ITEM
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};
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static GObject * gimp_item_undo_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params);
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static void gimp_item_undo_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gimp_item_undo_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void gimp_item_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode);
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G_DEFINE_TYPE (GimpItemUndo, gimp_item_undo, GIMP_TYPE_UNDO)
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#define parent_class gimp_item_undo_parent_class
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static void
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gimp_item_undo_class_init (GimpItemUndoClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
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object_class->constructor = gimp_item_undo_constructor;
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object_class->set_property = gimp_item_undo_set_property;
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object_class->get_property = gimp_item_undo_get_property;
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undo_class->free = gimp_item_undo_free;
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g_object_class_install_property (object_class, PROP_ITEM,
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g_param_spec_object ("item", NULL, NULL,
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GIMP_TYPE_ITEM,
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GIMP_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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gimp_item_undo_init (GimpItemUndo *undo)
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{
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}
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static GObject *
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gimp_item_undo_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params)
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{
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GObject *object;
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GimpItemUndo *item_undo;
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object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
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item_undo = GIMP_ITEM_UNDO (object);
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g_assert (GIMP_IS_ITEM (item_undo->item));
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return object;
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}
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static void
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gimp_item_undo_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GimpItemUndo *item_undo = GIMP_ITEM_UNDO (object);
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switch (property_id)
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{
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case PROP_ITEM:
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item_undo->item = (GimpItem *) g_value_dup_object (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_item_undo_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GimpItemUndo *item_undo = GIMP_ITEM_UNDO (object);
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switch (property_id)
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{
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case PROP_ITEM:
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g_value_set_object (value, item_undo->item);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_item_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode)
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{
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GimpItemUndo *item_undo = GIMP_ITEM_UNDO (undo);
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GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
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if (item_undo->item)
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{
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g_object_unref (item_undo->item);
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item_undo->item = NULL;
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}
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}
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