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gimp/app/core/gimpitempropundo.c

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/* Gimp - The GNU 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include "libgimpbase/gimpbase.h"
#include "core-types.h"
#include "gimp-utils.h"
#include "gimpitem.h"
#include "gimpitemtree.h"
#include "gimpitempropundo.h"
#include "gimpparasitelist.h"
enum
{
PROP_0,
PROP_PARASITE_NAME
};
static void gimp_item_prop_undo_constructed (GObject *object);
static void gimp_item_prop_undo_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_item_prop_undo_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static gint64 gimp_item_prop_undo_get_memsize (GimpObject *object,
gint64 *gui_size);
static void gimp_item_prop_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum);
static void gimp_item_prop_undo_free (GimpUndo *undo,
GimpUndoMode undo_mode);
G_DEFINE_TYPE (GimpItemPropUndo, gimp_item_prop_undo, GIMP_TYPE_ITEM_UNDO)
#define parent_class gimp_item_prop_undo_parent_class
static void
gimp_item_prop_undo_class_init (GimpItemPropUndoClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
object_class->constructed = gimp_item_prop_undo_constructed;
object_class->set_property = gimp_item_prop_undo_set_property;
object_class->get_property = gimp_item_prop_undo_get_property;
gimp_object_class->get_memsize = gimp_item_prop_undo_get_memsize;
undo_class->pop = gimp_item_prop_undo_pop;
undo_class->free = gimp_item_prop_undo_free;
g_object_class_install_property (object_class, PROP_PARASITE_NAME,
g_param_spec_string ("parasite-name",
NULL, NULL,
NULL,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
gimp_item_prop_undo_init (GimpItemPropUndo *undo)
{
}
static void
gimp_item_prop_undo_constructed (GObject *object)
{
GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (object);
GimpItem *item;
if (G_OBJECT_CLASS (parent_class)->constructed)
G_OBJECT_CLASS (parent_class)->constructed (object);
item = GIMP_ITEM_UNDO (object)->item;
switch (GIMP_UNDO (object)->undo_type)
{
case GIMP_UNDO_ITEM_REORDER:
item_prop_undo->parent = gimp_item_get_parent (item);
item_prop_undo->position = gimp_item_get_index (item);
break;
case GIMP_UNDO_ITEM_RENAME:
item_prop_undo->name = g_strdup (gimp_object_get_name (item));
break;
case GIMP_UNDO_ITEM_DISPLACE:
gimp_item_get_offset (item,
&item_prop_undo->offset_x,
&item_prop_undo->offset_y);
break;
case GIMP_UNDO_ITEM_VISIBILITY:
item_prop_undo->visible = gimp_item_get_visible (item);
break;
case GIMP_UNDO_ITEM_LINKED:
item_prop_undo->linked = gimp_item_get_linked (item);
break;
case GIMP_UNDO_PARASITE_ATTACH:
case GIMP_UNDO_PARASITE_REMOVE:
g_assert (item_prop_undo->parasite_name != NULL);
item_prop_undo->parasite = gimp_parasite_copy
(gimp_item_parasite_find (item, item_prop_undo->parasite_name));
break;
default:
g_assert_not_reached ();
}
}
static void
gimp_item_prop_undo_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (object);
switch (property_id)
{
case PROP_PARASITE_NAME:
item_prop_undo->parasite_name = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_item_prop_undo_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (object);
switch (property_id)
{
case PROP_PARASITE_NAME:
g_value_set_string (value, item_prop_undo->parasite_name);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gint64
gimp_item_prop_undo_get_memsize (GimpObject *object,
gint64 *gui_size)
{
GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (object);
gint64 memsize = 0;
memsize += gimp_string_get_memsize (item_prop_undo->name);
memsize += gimp_string_get_memsize (item_prop_undo->parasite_name);
memsize += gimp_parasite_get_memsize (item_prop_undo->parasite, NULL);
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static void
gimp_item_prop_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (undo);
GimpItem *item = GIMP_ITEM_UNDO (undo)->item;
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
switch (undo->undo_type)
{
case GIMP_UNDO_ITEM_REORDER:
{
GimpItem *parent;
gint position;
parent = gimp_item_get_parent (item);
position = gimp_item_get_index (item);
gimp_item_tree_reorder_item (gimp_item_get_tree (item), item,
item_prop_undo->parent,
item_prop_undo->position,
FALSE, NULL);
item_prop_undo->parent = parent;
item_prop_undo->position = position;
}
break;
case GIMP_UNDO_ITEM_RENAME:
{
gchar *name;
name = g_strdup (gimp_object_get_name (item));
gimp_item_tree_rename_item (gimp_item_get_tree (item), item,
item_prop_undo->name,
FALSE, NULL);
g_free (item_prop_undo->name);
item_prop_undo->name = name;
}
break;
case GIMP_UNDO_ITEM_DISPLACE:
{
gint offset_x;
gint offset_y;
gimp_item_get_offset (item, &offset_x, &offset_y);
gimp_item_translate (item,
item_prop_undo->offset_x - offset_x,
item_prop_undo->offset_y - offset_y,
FALSE);
item_prop_undo->offset_x = offset_x;
item_prop_undo->offset_y = offset_y;
}
break;
case GIMP_UNDO_ITEM_VISIBILITY:
{
gboolean visible;
visible = gimp_item_get_visible (item);
gimp_item_set_visible (item, item_prop_undo->visible, FALSE);
item_prop_undo->visible = visible;
}
break;
case GIMP_UNDO_ITEM_LINKED:
{
gboolean linked;
linked = gimp_item_get_linked (item);
gimp_item_set_linked (item, item_prop_undo->linked, FALSE);
item_prop_undo->linked = linked;
}
break;
case GIMP_UNDO_PARASITE_ATTACH:
case GIMP_UNDO_PARASITE_REMOVE:
{
GimpParasite *parasite;
parasite = item_prop_undo->parasite;
item_prop_undo->parasite = gimp_parasite_copy
(gimp_item_parasite_find (item, item_prop_undo->parasite_name));
if (parasite)
gimp_item_parasite_attach (item, parasite, FALSE);
else
gimp_item_parasite_detach (item, item_prop_undo->parasite_name, FALSE);
if (parasite)
gimp_parasite_free (parasite);
}
break;
default:
g_assert_not_reached ();
}
}
static void
gimp_item_prop_undo_free (GimpUndo *undo,
GimpUndoMode undo_mode)
{
GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (undo);
if (item_prop_undo->name)
{
g_free (item_prop_undo->name);
item_prop_undo->name = NULL;
}
if (item_prop_undo->parasite_name)
{
g_free (item_prop_undo->parasite_name);
item_prop_undo->parasite_name = NULL;
}
if (item_prop_undo->parasite)
{
gimp_parasite_free (item_prop_undo->parasite);
item_prop_undo->parasite = NULL;
}
GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
}
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