359 lines
11 KiB
C
359 lines
11 KiB
C
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/* Pika - Photo and Image Kooker Application
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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 3 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, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "libpikabase/pikabase.h"
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#include "core-types.h"
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#include "pika-memsize.h"
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#include "pikaitem.h"
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#include "pikaitemtree.h"
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#include "pikaitempropundo.h"
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#include "pikaparasitelist.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 void pika_item_prop_undo_constructed (GObject *object);
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static void pika_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 pika_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 pika_item_prop_undo_get_memsize (PikaObject *object,
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gint64 *gui_size);
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static void pika_item_prop_undo_pop (PikaUndo *undo,
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PikaUndoMode undo_mode,
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PikaUndoAccumulator *accum);
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static void pika_item_prop_undo_free (PikaUndo *undo,
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PikaUndoMode undo_mode);
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G_DEFINE_TYPE (PikaItemPropUndo, pika_item_prop_undo, PIKA_TYPE_ITEM_UNDO)
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#define parent_class pika_item_prop_undo_parent_class
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static void
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pika_item_prop_undo_class_init (PikaItemPropUndoClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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PikaObjectClass *pika_object_class = PIKA_OBJECT_CLASS (klass);
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PikaUndoClass *undo_class = PIKA_UNDO_CLASS (klass);
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object_class->constructed = pika_item_prop_undo_constructed;
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object_class->set_property = pika_item_prop_undo_set_property;
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object_class->get_property = pika_item_prop_undo_get_property;
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pika_object_class->get_memsize = pika_item_prop_undo_get_memsize;
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undo_class->pop = pika_item_prop_undo_pop;
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undo_class->free = pika_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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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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pika_item_prop_undo_init (PikaItemPropUndo *undo)
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{
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}
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static void
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pika_item_prop_undo_constructed (GObject *object)
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{
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PikaItemPropUndo *item_prop_undo = PIKA_ITEM_PROP_UNDO (object);
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PikaItem *item;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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item = PIKA_ITEM_UNDO (object)->item;
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switch (PIKA_UNDO (object)->undo_type)
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{
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case PIKA_UNDO_ITEM_REORDER:
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item_prop_undo->parent = pika_item_get_parent (item);
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item_prop_undo->position = pika_item_get_index (item);
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break;
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case PIKA_UNDO_ITEM_RENAME:
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item_prop_undo->name = g_strdup (pika_object_get_name (item));
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break;
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case PIKA_UNDO_ITEM_DISPLACE:
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pika_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 PIKA_UNDO_ITEM_VISIBILITY:
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item_prop_undo->visible = pika_item_get_visible (item);
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break;
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case PIKA_UNDO_ITEM_COLOR_TAG:
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item_prop_undo->color_tag = pika_item_get_color_tag (item);
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break;
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case PIKA_UNDO_ITEM_LOCK_CONTENT:
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item_prop_undo->lock_content = pika_item_get_lock_content (item);
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break;
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case PIKA_UNDO_ITEM_LOCK_POSITION:
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item_prop_undo->lock_position = pika_item_get_lock_position (item);
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break;
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case PIKA_UNDO_ITEM_LOCK_VISIBILITY:
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item_prop_undo->lock_visibility = pika_item_get_lock_visibility (item);
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break;
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case PIKA_UNDO_PARASITE_ATTACH:
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case PIKA_UNDO_PARASITE_REMOVE:
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pika_assert (item_prop_undo->parasite_name != NULL);
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item_prop_undo->parasite = pika_parasite_copy
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(pika_item_parasite_find (item, item_prop_undo->parasite_name));
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break;
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default:
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g_return_if_reached ();
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}
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}
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static void
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pika_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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PikaItemPropUndo *item_prop_undo = PIKA_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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pika_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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PikaItemPropUndo *item_prop_undo = PIKA_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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pika_item_prop_undo_get_memsize (PikaObject *object,
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gint64 *gui_size)
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{
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PikaItemPropUndo *item_prop_undo = PIKA_ITEM_PROP_UNDO (object);
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gint64 memsize = 0;
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memsize += pika_string_get_memsize (item_prop_undo->name);
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memsize += pika_string_get_memsize (item_prop_undo->parasite_name);
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memsize += pika_parasite_get_memsize (item_prop_undo->parasite, NULL);
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return memsize + PIKA_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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pika_item_prop_undo_pop (PikaUndo *undo,
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PikaUndoMode undo_mode,
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PikaUndoAccumulator *accum)
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{
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PikaItemPropUndo *item_prop_undo = PIKA_ITEM_PROP_UNDO (undo);
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PikaItem *item = PIKA_ITEM_UNDO (undo)->item;
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PIKA_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 PIKA_UNDO_ITEM_REORDER:
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{
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PikaItem *parent;
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gint position;
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parent = pika_item_get_parent (item);
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position = pika_item_get_index (item);
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pika_item_tree_reorder_item (pika_item_get_tree (item), item,
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item_prop_undo->parent,
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item_prop_undo->position,
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FALSE, NULL);
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item_prop_undo->parent = parent;
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item_prop_undo->position = position;
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}
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break;
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case PIKA_UNDO_ITEM_RENAME:
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{
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gchar *name;
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name = g_strdup (pika_object_get_name (item));
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pika_item_tree_rename_item (pika_item_get_tree (item), item,
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item_prop_undo->name,
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FALSE, NULL);
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g_free (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 PIKA_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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pika_item_get_offset (item, &offset_x, &offset_y);
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pika_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 PIKA_UNDO_ITEM_VISIBILITY:
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{
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gboolean visible;
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visible = pika_item_get_visible (item);
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pika_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 PIKA_UNDO_ITEM_COLOR_TAG:
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{
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PikaColorTag color_tag;
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color_tag = pika_item_get_color_tag (item);
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pika_item_set_color_tag (item, item_prop_undo->color_tag, FALSE);
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item_prop_undo->color_tag = color_tag;
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}
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break;
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case PIKA_UNDO_ITEM_LOCK_CONTENT:
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{
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gboolean lock_content;
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lock_content = pika_item_get_lock_content (item);
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pika_item_set_lock_content (item, item_prop_undo->lock_content, FALSE);
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item_prop_undo->lock_content = lock_content;
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}
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break;
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case PIKA_UNDO_ITEM_LOCK_POSITION:
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{
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gboolean lock_position;
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lock_position = pika_item_get_lock_position (item);
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pika_item_set_lock_position (item, item_prop_undo->lock_position, FALSE);
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item_prop_undo->lock_position = lock_position;
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}
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break;
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case PIKA_UNDO_ITEM_LOCK_VISIBILITY:
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{
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gboolean lock_visibility;
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lock_visibility = pika_item_get_lock_visibility (item);
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pika_item_set_lock_visibility (item, item_prop_undo->lock_visibility, FALSE);
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item_prop_undo->lock_visibility = lock_visibility;
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}
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break;
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case PIKA_UNDO_PARASITE_ATTACH:
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case PIKA_UNDO_PARASITE_REMOVE:
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{
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PikaParasite *parasite;
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parasite = item_prop_undo->parasite;
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item_prop_undo->parasite = pika_parasite_copy
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(pika_item_parasite_find (item, item_prop_undo->parasite_name));
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if (parasite)
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pika_item_parasite_attach (item, parasite, FALSE);
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else
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pika_item_parasite_detach (item, item_prop_undo->parasite_name, FALSE);
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if (parasite)
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pika_parasite_free (parasite);
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}
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break;
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default:
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g_return_if_reached ();
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}
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}
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static void
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pika_item_prop_undo_free (PikaUndo *undo,
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PikaUndoMode undo_mode)
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{
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PikaItemPropUndo *item_prop_undo = PIKA_ITEM_PROP_UNDO (undo);
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g_clear_pointer (&item_prop_undo->name, g_free);
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g_clear_pointer (&item_prop_undo->parasite_name, g_free);
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g_clear_pointer (&item_prop_undo->parasite, pika_parasite_free);
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PIKA_UNDO_CLASS (parent_class)->free (undo, undo_mode);
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}
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