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-rw-r--r--app/core/gimpimage-undo.c695
1 files changed, 695 insertions, 0 deletions
diff --git a/app/core/gimpimage-undo.c b/app/core/gimpimage-undo.c
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+++ b/app/core/gimpimage-undo.c
@@ -0,0 +1,695 @@
+/* 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 "core-types.h"
+
+#include "config/gimpcoreconfig.h"
+
+#include "gimp.h"
+#include "gimp-utils.h"
+#include "gimpimage.h"
+#include "gimpimage-private.h"
+#include "gimpimage-undo.h"
+#include "gimpitem.h"
+#include "gimplist.h"
+#include "gimpundostack.h"
+
+
+/* local function prototypes */
+
+static void gimp_image_undo_pop_stack (GimpImage *image,
+ GimpUndoStack *undo_stack,
+ GimpUndoStack *redo_stack,
+ GimpUndoMode undo_mode);
+static void gimp_image_undo_free_space (GimpImage *image);
+static void gimp_image_undo_free_redo (GimpImage *image);
+
+static GimpDirtyMask gimp_image_undo_dirty_from_type (GimpUndoType undo_type);
+
+
+/* public functions */
+
+gboolean
+gimp_image_undo_is_enabled (GimpImage *image)
+{
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+
+ return (GIMP_IMAGE_GET_PRIVATE (image)->undo_freeze_count == 0);
+}
+
+gboolean
+gimp_image_undo_enable (GimpImage *image)
+{
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+
+ /* Free all undo steps as they are now invalidated */
+ gimp_image_undo_free (image);
+
+ return gimp_image_undo_thaw (image);
+}
+
+gboolean
+gimp_image_undo_disable (GimpImage *image)
+{
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+
+ return gimp_image_undo_freeze (image);
+}
+
+gboolean
+gimp_image_undo_freeze (GimpImage *image)
+{
+ GimpImagePrivate *private;
+
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+
+ private = GIMP_IMAGE_GET_PRIVATE (image);
+
+ private->undo_freeze_count++;
+
+ if (private->undo_freeze_count == 1)
+ gimp_image_undo_event (image, GIMP_UNDO_EVENT_UNDO_FREEZE, NULL);
+
+ return TRUE;
+}
+
+gboolean
+gimp_image_undo_thaw (GimpImage *image)
+{
+ GimpImagePrivate *private;
+
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+
+ private = GIMP_IMAGE_GET_PRIVATE (image);
+
+ g_return_val_if_fail (private->undo_freeze_count > 0, FALSE);
+
+ private->undo_freeze_count--;
+
+ if (private->undo_freeze_count == 0)
+ gimp_image_undo_event (image, GIMP_UNDO_EVENT_UNDO_THAW, NULL);
+
+ return TRUE;
+}
+
+gboolean
+gimp_image_undo (GimpImage *image)
+{
+ GimpImagePrivate *private;
+
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+
+ private = GIMP_IMAGE_GET_PRIVATE (image);
+
+ g_return_val_if_fail (private->pushing_undo_group == GIMP_UNDO_GROUP_NONE,
+ FALSE);
+
+ gimp_image_undo_pop_stack (image,
+ private->undo_stack,
+ private->redo_stack,
+ GIMP_UNDO_MODE_UNDO);
+
+ return TRUE;
+}
+
+gboolean
+gimp_image_redo (GimpImage *image)
+{
+ GimpImagePrivate *private;
+
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+
+ private = GIMP_IMAGE_GET_PRIVATE (image);
+
+ g_return_val_if_fail (private->pushing_undo_group == GIMP_UNDO_GROUP_NONE,
+ FALSE);
+
+ gimp_image_undo_pop_stack (image,
+ private->redo_stack,
+ private->undo_stack,
+ GIMP_UNDO_MODE_REDO);
+
+ return TRUE;
+}
+
+/*
+ * this function continues to undo as long as it only sees certain
+ * undo types, in particular visibility changes.
+ */
+gboolean
+gimp_image_strong_undo (GimpImage *image)
+{
+ GimpImagePrivate *private;
+ GimpUndo *undo;
+
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+
+ private = GIMP_IMAGE_GET_PRIVATE (image);
+
+ g_return_val_if_fail (private->pushing_undo_group == GIMP_UNDO_GROUP_NONE,
+ FALSE);
+
+ undo = gimp_undo_stack_peek (private->undo_stack);
+
+ gimp_image_undo (image);
+
+ while (gimp_undo_is_weak (undo))
+ {
+ undo = gimp_undo_stack_peek (private->undo_stack);
+ if (gimp_undo_is_weak (undo))
+ gimp_image_undo (image);
+ }
+
+ return TRUE;
+}
+
+/*
+ * this function continues to redo as long as it only sees certain
+ * undo types, in particular visibility changes. Note that the
+ * order of events is set up to make it exactly reverse
+ * gimp_image_strong_undo().
+ */
+gboolean
+gimp_image_strong_redo (GimpImage *image)
+{
+ GimpImagePrivate *private;
+ GimpUndo *undo;
+
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+
+ private = GIMP_IMAGE_GET_PRIVATE (image);
+
+ g_return_val_if_fail (private->pushing_undo_group == GIMP_UNDO_GROUP_NONE,
+ FALSE);
+
+ undo = gimp_undo_stack_peek (private->redo_stack);
+
+ gimp_image_redo (image);
+
+ while (gimp_undo_is_weak (undo))
+ {
+ undo = gimp_undo_stack_peek (private->redo_stack);
+ if (gimp_undo_is_weak (undo))
+ gimp_image_redo (image);
+ }
+
+ return TRUE;
+}
+
+GimpUndoStack *
+gimp_image_get_undo_stack (GimpImage *image)
+{
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+
+ return GIMP_IMAGE_GET_PRIVATE (image)->undo_stack;
+}
+
+GimpUndoStack *
+gimp_image_get_redo_stack (GimpImage *image)
+{
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+
+ return GIMP_IMAGE_GET_PRIVATE (image)->redo_stack;
+}
+
+void
+gimp_image_undo_free (GimpImage *image)
+{
+ GimpImagePrivate *private;
+
+ g_return_if_fail (GIMP_IS_IMAGE (image));
+
+ private = GIMP_IMAGE_GET_PRIVATE (image);
+
+ /* Emit the UNDO_FREE event before actually freeing everything
+ * so the views can properly detach from the undo items
+ */
+ gimp_image_undo_event (image, GIMP_UNDO_EVENT_UNDO_FREE, NULL);
+
+ gimp_undo_free (GIMP_UNDO (private->undo_stack), GIMP_UNDO_MODE_UNDO);
+ gimp_undo_free (GIMP_UNDO (private->redo_stack), GIMP_UNDO_MODE_REDO);
+
+ /* If the image was dirty, but could become clean by redo-ing
+ * some actions, then it should now become 'infinitely' dirty.
+ * This is because we've just nuked the actions that would allow
+ * the image to become clean again.
+ */
+ if (private->dirty < 0)
+ private->dirty = 100000;
+
+ /* The same applies to the case where the image would become clean
+ * due to undo actions, but since user can't undo without an undo
+ * stack, that's not so much a problem.
+ */
+}
+
+gint
+gimp_image_get_undo_group_count (GimpImage *image)
+{
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), 0);
+
+ return GIMP_IMAGE_GET_PRIVATE (image)->group_count;
+}
+
+gboolean
+gimp_image_undo_group_start (GimpImage *image,
+ GimpUndoType undo_type,
+ const gchar *name)
+{
+ GimpImagePrivate *private;
+ GimpUndoStack *undo_group;
+ GimpDirtyMask dirty_mask;
+
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+ g_return_val_if_fail (undo_type > GIMP_UNDO_GROUP_FIRST &&
+ undo_type <= GIMP_UNDO_GROUP_LAST, FALSE);
+
+ private = GIMP_IMAGE_GET_PRIVATE (image);
+
+ if (! name)
+ name = gimp_undo_type_to_name (undo_type);
+
+ dirty_mask = gimp_image_undo_dirty_from_type (undo_type);
+
+ /* Notify listeners that the image will be modified */
+ if (private->group_count == 0 && dirty_mask != GIMP_DIRTY_NONE)
+ gimp_image_dirty (image, dirty_mask);
+
+ if (private->undo_freeze_count > 0)
+ return FALSE;
+
+ private->group_count++;
+
+ /* If we're already in a group...ignore */
+ if (private->group_count > 1)
+ return TRUE;
+
+ /* nuke the redo stack */
+ gimp_image_undo_free_redo (image);
+
+ undo_group = gimp_undo_stack_new (image);
+
+ gimp_object_set_name (GIMP_OBJECT (undo_group), name);
+ GIMP_UNDO (undo_group)->undo_type = undo_type;
+ GIMP_UNDO (undo_group)->dirty_mask = dirty_mask;
+
+ gimp_undo_stack_push_undo (private->undo_stack, GIMP_UNDO (undo_group));
+
+ private->pushing_undo_group = undo_type;
+
+ return TRUE;
+}
+
+gboolean
+gimp_image_undo_group_end (GimpImage *image)
+{
+ GimpImagePrivate *private;
+
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+
+ private = GIMP_IMAGE_GET_PRIVATE (image);
+
+ if (private->undo_freeze_count > 0)
+ return FALSE;
+
+ g_return_val_if_fail (private->group_count > 0, FALSE);
+
+ private->group_count--;
+
+ if (private->group_count == 0)
+ {
+ private->pushing_undo_group = GIMP_UNDO_GROUP_NONE;
+
+ /* Do it here, since undo_push doesn't emit this event while in
+ * the middle of a group
+ */
+ gimp_image_undo_event (image, GIMP_UNDO_EVENT_UNDO_PUSHED,
+ gimp_undo_stack_peek (private->undo_stack));
+
+ gimp_image_undo_free_space (image);
+ }
+
+ return TRUE;
+}
+
+GimpUndo *
+gimp_image_undo_push (GimpImage *image,
+ GType object_type,
+ GimpUndoType undo_type,
+ const gchar *name,
+ GimpDirtyMask dirty_mask,
+ ...)
+{
+ GimpImagePrivate *private;
+ gint n_properties = 0;
+ gchar **names = NULL;
+ GValue *values = NULL;
+ va_list args;
+ GimpUndo *undo;
+
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+ g_return_val_if_fail (g_type_is_a (object_type, GIMP_TYPE_UNDO), NULL);
+ g_return_val_if_fail (undo_type > GIMP_UNDO_GROUP_LAST, NULL);
+
+ private = GIMP_IMAGE_GET_PRIVATE (image);
+
+ /* Does this undo dirty the image? If so, we always want to mark
+ * image dirty, even if we can't actually push the undo.
+ */
+ if (dirty_mask != GIMP_DIRTY_NONE)
+ gimp_image_dirty (image, dirty_mask);
+
+ if (private->undo_freeze_count > 0)
+ return NULL;
+
+ if (! name)
+ name = gimp_undo_type_to_name (undo_type);
+
+ names = gimp_properties_append (object_type,
+ &n_properties, names, &values,
+ "name", name,
+ "image", image,
+ "undo-type", undo_type,
+ "dirty-mask", dirty_mask,
+ NULL);
+
+ va_start (args, dirty_mask);
+ names = gimp_properties_append_valist (object_type,
+ &n_properties, names, &values,
+ args);
+ va_end (args);
+
+ undo = (GimpUndo *) g_object_new_with_properties (object_type,
+ n_properties,
+ (const gchar **) names,
+ (const GValue *) values);
+
+ gimp_properties_free (n_properties, names, values);
+
+ /* nuke the redo stack */
+ gimp_image_undo_free_redo (image);
+
+ if (private->pushing_undo_group == GIMP_UNDO_GROUP_NONE)
+ {
+ gimp_undo_stack_push_undo (private->undo_stack, undo);
+
+ gimp_image_undo_event (image, GIMP_UNDO_EVENT_UNDO_PUSHED, undo);
+
+ gimp_image_undo_free_space (image);
+
+ /* freeing undo space may have freed the newly pushed undo */
+ if (gimp_undo_stack_peek (private->undo_stack) == undo)
+ return undo;
+ }
+ else
+ {
+ GimpUndoStack *undo_group;
+
+ undo_group = GIMP_UNDO_STACK (gimp_undo_stack_peek (private->undo_stack));
+
+ gimp_undo_stack_push_undo (undo_group, undo);
+
+ return undo;
+ }
+
+ return NULL;
+}
+
+GimpUndo *
+gimp_image_undo_can_compress (GimpImage *image,
+ GType object_type,
+ GimpUndoType undo_type)
+{
+ GimpImagePrivate *private;
+
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+
+ private = GIMP_IMAGE_GET_PRIVATE (image);
+
+ if (gimp_image_is_dirty (image) &&
+ ! gimp_undo_stack_peek (private->redo_stack))
+ {
+ GimpUndo *undo = gimp_undo_stack_peek (private->undo_stack);
+
+ if (undo && undo->undo_type == undo_type &&
+ g_type_is_a (G_TYPE_FROM_INSTANCE (undo), object_type))
+ {
+ return undo;
+ }
+ }
+
+ return NULL;
+}
+
+
+/* private functions */
+
+static void
+gimp_image_undo_pop_stack (GimpImage *image,
+ GimpUndoStack *undo_stack,
+ GimpUndoStack *redo_stack,
+ GimpUndoMode undo_mode)
+{
+ GimpUndo *undo;
+ GimpUndoAccumulator accum = { 0, };
+
+ g_object_freeze_notify (G_OBJECT (image));
+
+ undo = gimp_undo_stack_pop_undo (undo_stack, undo_mode, &accum);
+
+ if (undo)
+ {
+ if (GIMP_IS_UNDO_STACK (undo))
+ gimp_list_reverse (GIMP_LIST (GIMP_UNDO_STACK (undo)->undos));
+
+ gimp_undo_stack_push_undo (redo_stack, undo);
+
+ if (accum.mode_changed)
+ gimp_image_mode_changed (image);
+
+ if (accum.precision_changed)
+ gimp_image_precision_changed (image);
+
+ if (accum.size_changed)
+ gimp_image_size_changed_detailed (image,
+ accum.previous_origin_x,
+ accum.previous_origin_y,
+ accum.previous_width,
+ accum.previous_height);
+
+ if (accum.resolution_changed)
+ gimp_image_resolution_changed (image);
+
+ if (accum.unit_changed)
+ gimp_image_unit_changed (image);
+
+ /* let others know that we just popped an action */
+ gimp_image_undo_event (image,
+ (undo_mode == GIMP_UNDO_MODE_UNDO) ?
+ GIMP_UNDO_EVENT_UNDO : GIMP_UNDO_EVENT_REDO,
+ undo);
+ }
+
+ g_object_thaw_notify (G_OBJECT (image));
+}
+
+static void
+gimp_image_undo_free_space (GimpImage *image)
+{
+ GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
+ GimpContainer *container;
+ gint min_undo_levels;
+ gint max_undo_levels;
+ gint64 undo_size;
+
+ container = private->undo_stack->undos;
+
+ min_undo_levels = image->gimp->config->levels_of_undo;
+ max_undo_levels = 1024; /* FIXME */
+ undo_size = image->gimp->config->undo_size;
+
+#ifdef DEBUG_IMAGE_UNDO
+ g_printerr ("undo_steps: %d undo_bytes: %ld\n",
+ gimp_container_get_n_children (container),
+ (glong) gimp_object_get_memsize (GIMP_OBJECT (container), NULL));
+#endif
+
+ /* keep at least min_undo_levels undo steps */
+ if (gimp_container_get_n_children (container) <= min_undo_levels)
+ return;
+
+ while ((gimp_object_get_memsize (GIMP_OBJECT (container), NULL) > undo_size) ||
+ (gimp_container_get_n_children (container) > max_undo_levels))
+ {
+ GimpUndo *freed = gimp_undo_stack_free_bottom (private->undo_stack,
+ GIMP_UNDO_MODE_UNDO);
+
+#ifdef DEBUG_IMAGE_UNDO
+ g_printerr ("freed one step: undo_steps: %d undo_bytes: %ld\n",
+ gimp_container_get_n_children (container),
+ (glong) gimp_object_get_memsize (GIMP_OBJECT (container),
+ NULL));
+#endif
+
+ gimp_image_undo_event (image, GIMP_UNDO_EVENT_UNDO_EXPIRED, freed);
+
+ g_object_unref (freed);
+
+ if (gimp_container_get_n_children (container) <= min_undo_levels)
+ return;
+ }
+}
+
+static void
+gimp_image_undo_free_redo (GimpImage *image)
+{
+ GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
+ GimpContainer *container = private->redo_stack->undos;
+
+#ifdef DEBUG_IMAGE_UNDO
+ g_printerr ("redo_steps: %d redo_bytes: %ld\n",
+ gimp_container_get_n_children (container),
+ (glong) gimp_object_get_memsize (GIMP_OBJECT (container), NULL));
+#endif
+
+ if (gimp_container_is_empty (container))
+ return;
+
+ while (gimp_container_get_n_children (container) > 0)
+ {
+ GimpUndo *freed = gimp_undo_stack_free_bottom (private->redo_stack,
+ GIMP_UNDO_MODE_REDO);
+
+#ifdef DEBUG_IMAGE_UNDO
+ g_printerr ("freed one step: redo_steps: %d redo_bytes: %ld\n",
+ gimp_container_get_n_children (container),
+ (glong )gimp_object_get_memsize (GIMP_OBJECT (container),
+ NULL));
+#endif
+
+ gimp_image_undo_event (image, GIMP_UNDO_EVENT_REDO_EXPIRED, freed);
+
+ g_object_unref (freed);
+ }
+
+ /* We need to use <= here because the undo counter has already been
+ * incremented at this point.
+ */
+ if (private->dirty <= 0)
+ {
+ /* If the image was dirty, but could become clean by redo-ing
+ * some actions, then it should now become 'infinitely' dirty.
+ * This is because we've just nuked the actions that would allow
+ * the image to become clean again.
+ */
+ private->dirty = 100000;
+ }
+}
+
+static GimpDirtyMask
+gimp_image_undo_dirty_from_type (GimpUndoType undo_type)
+{
+ switch (undo_type)
+ {
+ case GIMP_UNDO_GROUP_IMAGE_SCALE:
+ case GIMP_UNDO_GROUP_IMAGE_RESIZE:
+ case GIMP_UNDO_GROUP_IMAGE_FLIP:
+ case GIMP_UNDO_GROUP_IMAGE_ROTATE:
+ case GIMP_UNDO_GROUP_IMAGE_TRANSFORM:
+ case GIMP_UNDO_GROUP_IMAGE_CROP:
+ return GIMP_DIRTY_IMAGE | GIMP_DIRTY_IMAGE_SIZE;
+
+ case GIMP_UNDO_GROUP_IMAGE_CONVERT:
+ return GIMP_DIRTY_IMAGE | GIMP_DIRTY_DRAWABLE;
+
+ case GIMP_UNDO_GROUP_IMAGE_LAYERS_MERGE:
+ return GIMP_DIRTY_IMAGE_STRUCTURE | GIMP_DIRTY_DRAWABLE;
+
+ case GIMP_UNDO_GROUP_IMAGE_VECTORS_MERGE:
+ return GIMP_DIRTY_IMAGE_STRUCTURE | GIMP_DIRTY_VECTORS;
+
+ case GIMP_UNDO_GROUP_IMAGE_QUICK_MASK: /* FIXME */
+ return GIMP_DIRTY_IMAGE_STRUCTURE | GIMP_DIRTY_SELECTION;
+
+ case GIMP_UNDO_GROUP_IMAGE_GRID:
+ case GIMP_UNDO_GROUP_GUIDE:
+ return GIMP_DIRTY_IMAGE_META;
+
+ case GIMP_UNDO_GROUP_DRAWABLE:
+ case GIMP_UNDO_GROUP_DRAWABLE_MOD:
+ return GIMP_DIRTY_ITEM | GIMP_DIRTY_DRAWABLE;
+
+ case GIMP_UNDO_GROUP_MASK: /* FIXME */
+ return GIMP_DIRTY_SELECTION;
+
+ case GIMP_UNDO_GROUP_ITEM_VISIBILITY:
+ case GIMP_UNDO_GROUP_ITEM_LINKED:
+ case GIMP_UNDO_GROUP_ITEM_PROPERTIES:
+ return GIMP_DIRTY_ITEM_META;
+
+ case GIMP_UNDO_GROUP_ITEM_DISPLACE: /* FIXME */
+ return GIMP_DIRTY_ITEM | GIMP_DIRTY_DRAWABLE | GIMP_DIRTY_VECTORS;
+
+ case GIMP_UNDO_GROUP_ITEM_SCALE: /* FIXME */
+ case GIMP_UNDO_GROUP_ITEM_RESIZE: /* FIXME */
+ return GIMP_DIRTY_ITEM | GIMP_DIRTY_DRAWABLE | GIMP_DIRTY_VECTORS;
+
+ case GIMP_UNDO_GROUP_LAYER_ADD_MASK:
+ case GIMP_UNDO_GROUP_LAYER_APPLY_MASK:
+ return GIMP_DIRTY_IMAGE_STRUCTURE;
+
+ case GIMP_UNDO_GROUP_FS_TO_LAYER:
+ case GIMP_UNDO_GROUP_FS_FLOAT:
+ case GIMP_UNDO_GROUP_FS_ANCHOR:
+ return GIMP_DIRTY_IMAGE_STRUCTURE;
+
+ case GIMP_UNDO_GROUP_EDIT_PASTE:
+ return GIMP_DIRTY_IMAGE_STRUCTURE;
+
+ case GIMP_UNDO_GROUP_EDIT_CUT:
+ return GIMP_DIRTY_ITEM | GIMP_DIRTY_DRAWABLE;
+
+ case GIMP_UNDO_GROUP_TEXT:
+ return GIMP_DIRTY_ITEM | GIMP_DIRTY_DRAWABLE;
+
+ case GIMP_UNDO_GROUP_TRANSFORM: /* FIXME */
+ return GIMP_DIRTY_ITEM | GIMP_DIRTY_DRAWABLE | GIMP_DIRTY_VECTORS;
+
+ case GIMP_UNDO_GROUP_PAINT:
+ return GIMP_DIRTY_ITEM | GIMP_DIRTY_DRAWABLE;
+
+ case GIMP_UNDO_GROUP_PARASITE_ATTACH:
+ case GIMP_UNDO_GROUP_PARASITE_REMOVE:
+ return GIMP_DIRTY_IMAGE_META | GIMP_DIRTY_ITEM_META;
+
+ case GIMP_UNDO_GROUP_VECTORS_IMPORT:
+ return GIMP_DIRTY_IMAGE_STRUCTURE | GIMP_DIRTY_VECTORS;
+
+ case GIMP_UNDO_GROUP_MISC:
+ return GIMP_DIRTY_ALL;
+
+ default:
+ break;
+ }
+
+ return GIMP_DIRTY_ALL;
+}