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-rw-r--r--app/core/gimpitempropundo.c358
1 files changed, 358 insertions, 0 deletions
diff --git a/app/core/gimpitempropundo.c b/app/core/gimpitempropundo.c
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+++ b/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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "libgimpbase/gimpbase.h"
+
+#include "core-types.h"
+
+#include "gimp-memsize.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;
+
+ 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_ITEM_COLOR_TAG:
+ item_prop_undo->color_tag = gimp_item_get_color_tag (item);
+ break;
+
+ case GIMP_UNDO_ITEM_LOCK_CONTENT:
+ item_prop_undo->lock_content = gimp_item_get_lock_content (item);
+ break;
+
+ case GIMP_UNDO_ITEM_LOCK_POSITION:
+ item_prop_undo->lock_position = gimp_item_get_lock_position (item);
+ break;
+
+ case GIMP_UNDO_PARASITE_ATTACH:
+ case GIMP_UNDO_PARASITE_REMOVE:
+ gimp_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_return_if_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_ITEM_COLOR_TAG:
+ {
+ GimpColorTag color_tag;
+
+ color_tag = gimp_item_get_color_tag (item);
+ gimp_item_set_color_tag (item, item_prop_undo->color_tag, FALSE);
+ item_prop_undo->color_tag = color_tag;
+ }
+ break;
+
+ case GIMP_UNDO_ITEM_LOCK_CONTENT:
+ {
+ gboolean lock_content;
+
+ lock_content = gimp_item_get_lock_content (item);
+ gimp_item_set_lock_content (item, item_prop_undo->lock_content, FALSE);
+ item_prop_undo->lock_content = lock_content;
+ }
+ break;
+
+ case GIMP_UNDO_ITEM_LOCK_POSITION:
+ {
+ gboolean lock_position;
+
+ lock_position = gimp_item_get_lock_position (item);
+ gimp_item_set_lock_position (item, item_prop_undo->lock_position, FALSE);
+ item_prop_undo->lock_position = lock_position;
+ }
+ 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_return_if_reached ();
+ }
+}
+
+static void
+gimp_item_prop_undo_free (GimpUndo *undo,
+ GimpUndoMode undo_mode)
+{
+ GimpItemPropUndo *item_prop_undo = GIMP_ITEM_PROP_UNDO (undo);
+
+ g_clear_pointer (&item_prop_undo->name, g_free);
+ g_clear_pointer (&item_prop_undo->parasite_name, g_free);
+ g_clear_pointer (&item_prop_undo->parasite, gimp_parasite_free);
+
+ GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
+}
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