mirror of https://github.com/GNOME/gimp.git
312 lines
9.6 KiB
C
312 lines
9.6 KiB
C
/* Gimp - The GNU 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 <gegl.h>
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#include "libgimpbase/gimpbase.h"
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#include "core-types.h"
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#include "gimp-utils.h"
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#include "gimpitem.h"
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#include "gimpitempropundo.h"
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#include "gimpparasitelist.h"
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enum
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{
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PROP_0,
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PROP_PARASITE_NAME
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};
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static GObject * gimp_item_prop_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_prop_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_prop_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 gint64 gimp_item_prop_undo_get_memsize (GimpObject *object,
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gint64 *gui_size);
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static void gimp_item_prop_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum);
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static void gimp_item_prop_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode);
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G_DEFINE_TYPE (GimpItemPropUndo, gimp_item_prop_undo, GIMP_TYPE_ITEM_UNDO)
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#define parent_class gimp_item_prop_undo_parent_class
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static void
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gimp_item_prop_undo_class_init (GimpItemPropUndoClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
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GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
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object_class->constructor = gimp_item_prop_undo_constructor;
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object_class->set_property = gimp_item_prop_undo_set_property;
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object_class->get_property = gimp_item_prop_undo_get_property;
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gimp_object_class->get_memsize = gimp_item_prop_undo_get_memsize;
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undo_class->pop = gimp_item_prop_undo_pop;
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undo_class->free = gimp_item_prop_undo_free;
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g_object_class_install_property (object_class, PROP_PARASITE_NAME,
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g_param_spec_string ("parasite-name",
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NULL, NULL,
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NULL,
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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_prop_undo_init (GimpItemPropUndo *undo)
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{
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}
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static GObject *
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gimp_item_prop_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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GimpItemPropUndo *item_prop_undo;
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GimpItem *item;
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object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
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item_prop_undo = GIMP_ITEM_PROP_UNDO (object);
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item = GIMP_ITEM_UNDO (object)->item;
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switch (GIMP_UNDO (object)->undo_type)
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{
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case GIMP_UNDO_ITEM_RENAME:
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item_prop_undo->name = g_strdup (gimp_object_get_name (GIMP_OBJECT (item)));
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break;
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case GIMP_UNDO_ITEM_DISPLACE:
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gimp_item_get_offset (item,
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&item_prop_undo->offset_x,
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&item_prop_undo->offset_y);
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break;
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case GIMP_UNDO_ITEM_VISIBILITY:
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item_prop_undo->visible = gimp_item_get_visible (item);
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break;
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case GIMP_UNDO_ITEM_LINKED:
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item_prop_undo->linked = gimp_item_get_linked (item);
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break;
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case GIMP_UNDO_PARASITE_ATTACH:
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case GIMP_UNDO_PARASITE_REMOVE:
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g_assert (item_prop_undo->parasite_name != NULL);
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item_prop_undo->parasite = gimp_parasite_copy
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(gimp_item_parasite_find (item, item_prop_undo->parasite_name));
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break;
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default:
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g_assert_not_reached ();
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}
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return object;
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}
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static void
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gimp_item_prop_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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GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (object);
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switch (property_id)
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{
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case PROP_PARASITE_NAME:
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item_prop_undo->parasite_name = g_value_dup_string (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_prop_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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GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (object);
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switch (property_id)
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{
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case PROP_PARASITE_NAME:
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g_value_set_string (value, item_prop_undo->parasite_name);
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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 gint64
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gimp_item_prop_undo_get_memsize (GimpObject *object,
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gint64 *gui_size)
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{
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GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (object);
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gint64 memsize = 0;
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memsize += gimp_string_get_memsize (item_prop_undo->name);
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memsize += gimp_string_get_memsize (item_prop_undo->parasite_name);
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memsize += gimp_parasite_get_memsize (item_prop_undo->parasite, NULL);
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return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
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gui_size);
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}
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static void
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gimp_item_prop_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum)
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{
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GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (undo);
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GimpItem *item = GIMP_ITEM_UNDO (undo)->item;
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GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
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switch (undo->undo_type)
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{
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case GIMP_UNDO_ITEM_RENAME:
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{
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gchar *name;
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name = g_strdup (gimp_object_get_name (GIMP_OBJECT (item)));
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gimp_object_take_name (GIMP_OBJECT (item), item_prop_undo->name);
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item_prop_undo->name = name;
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}
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break;
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case GIMP_UNDO_ITEM_DISPLACE:
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{
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gint offset_x;
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gint offset_y;
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gimp_item_get_offset (item, &offset_x, &offset_y);
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gimp_item_translate (item,
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item_prop_undo->offset_x - offset_x,
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item_prop_undo->offset_y - offset_y,
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FALSE);
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item_prop_undo->offset_x = offset_x;
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item_prop_undo->offset_y = offset_y;
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}
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break;
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case GIMP_UNDO_ITEM_VISIBILITY:
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{
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gboolean visible;
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visible = gimp_item_get_visible (item);
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gimp_item_set_visible (item, item_prop_undo->visible, FALSE);
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item_prop_undo->visible = visible;
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}
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break;
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case GIMP_UNDO_ITEM_LINKED:
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{
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gboolean linked;
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linked = gimp_item_get_linked (item);
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gimp_item_set_linked (item, item_prop_undo->linked, FALSE);
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item_prop_undo->linked = linked;
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}
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break;
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case GIMP_UNDO_PARASITE_ATTACH:
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case GIMP_UNDO_PARASITE_REMOVE:
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{
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GimpParasite *parasite;
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parasite = item_prop_undo->parasite;
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item_prop_undo->parasite = gimp_parasite_copy
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(gimp_item_parasite_find (item, item_prop_undo->parasite_name));
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if (parasite)
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gimp_parasite_list_add (item->parasites, parasite);
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else
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gimp_parasite_list_remove (item->parasites,
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item_prop_undo->parasite_name);
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if (parasite)
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gimp_parasite_free (parasite);
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}
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break;
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default:
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g_assert_not_reached ();
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}
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}
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static void
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gimp_item_prop_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode)
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{
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GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (undo);
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if (item_prop_undo->name)
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{
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g_free (item_prop_undo->name);
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item_prop_undo->name = NULL;
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}
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if (item_prop_undo->parasite_name)
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{
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g_free (item_prop_undo->parasite_name);
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item_prop_undo->parasite_name = NULL;
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}
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if (item_prop_undo->parasite)
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{
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gimp_parasite_free (item_prop_undo->parasite);
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item_prop_undo->parasite = NULL;
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}
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GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
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}
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