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-rw-r--r--app/core/gimpitem-exclusive.c276
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diff --git a/app/core/gimpitem-exclusive.c b/app/core/gimpitem-exclusive.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpitem-exclusive.c
+ * Copyright (C) 2011 Michael Natterer <mitch@gimp.org>
+ *
+ * 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 "gimpcontext.h"
+#include "gimpimage-undo.h"
+#include "gimpimage-undo-push.h"
+#include "gimpitem.h"
+#include "gimpitem-exclusive.h"
+#include "gimpitemstack.h"
+#include "gimpitemtree.h"
+#include "gimpundostack.h"
+
+#include "gimp-intl.h"
+
+
+static GList * gimp_item_exclusive_get_ancestry (GimpItem *item);
+static void gimp_item_exclusive_get_lists (GimpItem *item,
+ const gchar *property,
+ GList **on,
+ GList **off);
+
+
+/* public functions */
+
+void
+gimp_item_toggle_exclusive_visible (GimpItem *item,
+ GimpContext *context)
+{
+ GList *ancestry;
+ GList *on;
+ GList *off;
+ GList *list;
+
+ g_return_if_fail (GIMP_IS_ITEM (item));
+ g_return_if_fail (gimp_item_is_attached (item));
+ g_return_if_fail (GIMP_IS_CONTEXT (context));
+
+ ancestry = gimp_item_exclusive_get_ancestry (item);
+ gimp_item_exclusive_get_lists (item, "visible", &on, &off);
+
+ if (on || off || ! gimp_item_is_visible (item))
+ {
+ GimpImage *image = gimp_item_get_image (item);
+ GimpUndo *undo;
+ gboolean push_undo = TRUE;
+
+ undo = gimp_image_undo_can_compress (image, GIMP_TYPE_UNDO_STACK,
+ GIMP_UNDO_GROUP_ITEM_VISIBILITY);
+
+ if (undo && (g_object_get_data (G_OBJECT (undo), "exclusive-visible-item") ==
+ (gpointer) item))
+ push_undo = FALSE;
+
+ if (push_undo)
+ {
+ if (gimp_image_undo_group_start (image,
+ GIMP_UNDO_GROUP_ITEM_VISIBILITY,
+ _("Set Item Exclusive Visible")))
+ {
+ undo = gimp_image_undo_can_compress (image, GIMP_TYPE_UNDO_STACK,
+ GIMP_UNDO_GROUP_ITEM_VISIBILITY);
+
+ if (undo)
+ g_object_set_data (G_OBJECT (undo), "exclusive-visible-item",
+ (gpointer) item);
+ }
+
+ for (list = ancestry; list; list = g_list_next (list))
+ gimp_image_undo_push_item_visibility (image, NULL, list->data);
+
+ for (list = on; list; list = g_list_next (list))
+ gimp_image_undo_push_item_visibility (image, NULL, list->data);
+
+ for (list = off; list; list = g_list_next (list))
+ gimp_image_undo_push_item_visibility (image, NULL, list->data);
+
+ gimp_image_undo_group_end (image);
+ }
+ else
+ {
+ gimp_undo_refresh_preview (undo, context);
+ }
+
+ for (list = ancestry; list; list = g_list_next (list))
+ gimp_item_set_visible (list->data, TRUE, FALSE);
+
+ if (on)
+ {
+ for (list = on; list; list = g_list_next (list))
+ gimp_item_set_visible (list->data, FALSE, FALSE);
+ }
+ else if (off)
+ {
+ for (list = off; list; list = g_list_next (list))
+ gimp_item_set_visible (list->data, TRUE, FALSE);
+ }
+
+ g_list_free (on);
+ g_list_free (off);
+ }
+
+ g_list_free (ancestry);
+}
+
+void
+gimp_item_toggle_exclusive_linked (GimpItem *item,
+ GimpContext *context)
+{
+ GList *on = NULL;
+ GList *off = NULL;
+ GList *list;
+
+ g_return_if_fail (GIMP_IS_ITEM (item));
+ g_return_if_fail (gimp_item_is_attached (item));
+ g_return_if_fail (GIMP_IS_CONTEXT (context));
+
+ for (list = gimp_item_get_container_iter (item);
+ list;
+ list = g_list_next (list))
+ {
+ GimpItem *other = list->data;
+
+ if (other != item)
+ {
+ if (gimp_item_get_linked (other))
+ on = g_list_prepend (on, other);
+ else
+ off = g_list_prepend (off, other);
+ }
+ }
+
+ if (on || off || ! gimp_item_get_linked (item))
+ {
+ GimpImage *image = gimp_item_get_image (item);
+ GimpUndo *undo;
+ gboolean push_undo = TRUE;
+
+ undo = gimp_image_undo_can_compress (image, GIMP_TYPE_UNDO_STACK,
+ GIMP_UNDO_GROUP_ITEM_LINKED);
+
+ if (undo && (g_object_get_data (G_OBJECT (undo), "exclusive-linked-item") ==
+ (gpointer) item))
+ push_undo = FALSE;
+
+ if (push_undo)
+ {
+ if (gimp_image_undo_group_start (image,
+ GIMP_UNDO_GROUP_ITEM_LINKED,
+ _("Set Item Exclusive Linked")))
+ {
+ undo = gimp_image_undo_can_compress (image, GIMP_TYPE_UNDO_STACK,
+ GIMP_UNDO_GROUP_ITEM_LINKED);
+
+ if (undo)
+ g_object_set_data (G_OBJECT (undo), "exclusive-linked-item",
+ (gpointer) item);
+ }
+
+ gimp_image_undo_push_item_linked (image, NULL, item);
+
+ for (list = on; list; list = g_list_next (list))
+ gimp_image_undo_push_item_linked (image, NULL, list->data);
+
+ for (list = off; list; list = g_list_next (list))
+ gimp_image_undo_push_item_linked (image, NULL, list->data);
+
+ gimp_image_undo_group_end (image);
+ }
+ else
+ {
+ gimp_undo_refresh_preview (undo, context);
+ }
+
+ if (off || ! gimp_item_get_linked (item))
+ {
+ gimp_item_set_linked (item, TRUE, FALSE);
+
+ for (list = off; list; list = g_list_next (list))
+ gimp_item_set_linked (list->data, TRUE, FALSE);
+ }
+ else
+ {
+ for (list = on; list; list = g_list_next (list))
+ gimp_item_set_linked (list->data, FALSE, FALSE);
+ }
+
+ g_list_free (on);
+ g_list_free (off);
+ }
+}
+
+
+/* private functions */
+
+static GList *
+gimp_item_exclusive_get_ancestry (GimpItem *item)
+{
+ GimpViewable *parent;
+ GList *ancestry = NULL;
+
+ for (parent = GIMP_VIEWABLE (item);
+ parent;
+ parent = gimp_viewable_get_parent (parent))
+ {
+ ancestry = g_list_prepend (ancestry, parent);
+ }
+
+ return ancestry;
+}
+
+static void
+gimp_item_exclusive_get_lists (GimpItem *item,
+ const gchar *property,
+ GList **on,
+ GList **off)
+{
+ GimpItemTree *tree;
+ GList *items;
+ GList *list;
+
+ *on = NULL;
+ *off = NULL;
+
+ tree = gimp_item_get_tree (item);
+
+ items = gimp_item_stack_get_item_list (GIMP_ITEM_STACK (tree->container));
+
+ for (list = items; list; list = g_list_next (list))
+ {
+ GimpItem *other = list->data;
+
+ if (other != item)
+ {
+ /* we are only interested in same level items.
+ */
+ if (gimp_viewable_get_parent (GIMP_VIEWABLE (other)) ==
+ gimp_viewable_get_parent (GIMP_VIEWABLE (item)))
+ {
+ gboolean value;
+
+ g_object_get (other, property, &value, NULL);
+
+ if (value)
+ *on = g_list_prepend (*on, other);
+ else
+ *off = g_list_prepend (*off, other);
+ }
+ }
+ }
+
+ g_list_free (items);
+}
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