144 lines
4.8 KiB
C
144 lines
4.8 KiB
C
/* PIKA - Photo and Image Kooker Application
|
|
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
|
|
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
|
|
*
|
|
* Original copyright, applying to most contents (license remains unchanged):
|
|
* 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 "pikadrawable-floating-selection.h"
|
|
#include "pikafloatingselectionundo.h"
|
|
#include "pikaimage.h"
|
|
#include "pikalayer.h"
|
|
#include "pikalayer-floating-selection.h"
|
|
|
|
|
|
static void pika_floating_selection_undo_constructed (GObject *object);
|
|
|
|
static void pika_floating_selection_undo_pop (PikaUndo *undo,
|
|
PikaUndoMode undo_mode,
|
|
PikaUndoAccumulator *accum);
|
|
|
|
|
|
G_DEFINE_TYPE (PikaFloatingSelectionUndo, pika_floating_selection_undo,
|
|
PIKA_TYPE_ITEM_UNDO)
|
|
|
|
#define parent_class pika_floating_selection_undo_parent_class
|
|
|
|
|
|
static void
|
|
pika_floating_selection_undo_class_init (PikaFloatingSelectionUndoClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
PikaUndoClass *undo_class = PIKA_UNDO_CLASS (klass);
|
|
|
|
object_class->constructed = pika_floating_selection_undo_constructed;
|
|
|
|
undo_class->pop = pika_floating_selection_undo_pop;
|
|
}
|
|
|
|
static void
|
|
pika_floating_selection_undo_init (PikaFloatingSelectionUndo *undo)
|
|
{
|
|
}
|
|
|
|
static void
|
|
pika_floating_selection_undo_constructed (GObject *object)
|
|
{
|
|
PikaFloatingSelectionUndo *floating_sel_undo;
|
|
PikaLayer *layer;
|
|
|
|
floating_sel_undo = PIKA_FLOATING_SELECTION_UNDO (object);
|
|
|
|
G_OBJECT_CLASS (parent_class)->constructed (object);
|
|
|
|
pika_assert (PIKA_IS_LAYER (PIKA_ITEM_UNDO (object)->item));
|
|
|
|
layer = PIKA_LAYER (PIKA_ITEM_UNDO (object)->item);
|
|
|
|
switch (PIKA_UNDO (object)->undo_type)
|
|
{
|
|
case PIKA_UNDO_FS_TO_LAYER:
|
|
floating_sel_undo->drawable = pika_layer_get_floating_sel_drawable (layer);
|
|
break;
|
|
|
|
default:
|
|
g_return_if_reached ();
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_floating_selection_undo_pop (PikaUndo *undo,
|
|
PikaUndoMode undo_mode,
|
|
PikaUndoAccumulator *accum)
|
|
{
|
|
PikaFloatingSelectionUndo *floating_sel_undo;
|
|
PikaLayer *floating_layer;
|
|
|
|
floating_sel_undo = PIKA_FLOATING_SELECTION_UNDO (undo);
|
|
floating_layer = PIKA_LAYER (PIKA_ITEM_UNDO (undo)->item);
|
|
|
|
PIKA_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
|
|
|
|
switch (undo->undo_type)
|
|
{
|
|
case PIKA_UNDO_FS_TO_LAYER:
|
|
if (undo_mode == PIKA_UNDO_MODE_UNDO)
|
|
{
|
|
GList *layers;
|
|
|
|
/* Update the preview for the floating selection */
|
|
pika_viewable_invalidate_preview (PIKA_VIEWABLE (floating_layer));
|
|
|
|
pika_layer_set_floating_sel_drawable (floating_layer,
|
|
floating_sel_undo->drawable);
|
|
layers = g_list_prepend (NULL, floating_layer);
|
|
pika_image_set_selected_layers (undo->image, layers);
|
|
g_list_free (layers);
|
|
|
|
pika_drawable_attach_floating_sel (pika_layer_get_floating_sel_drawable (floating_layer),
|
|
floating_layer);
|
|
}
|
|
else
|
|
{
|
|
pika_drawable_detach_floating_sel (pika_layer_get_floating_sel_drawable (floating_layer));
|
|
pika_layer_set_floating_sel_drawable (floating_layer, NULL);
|
|
}
|
|
|
|
/* When the floating selection is converted to/from a normal
|
|
* layer it does something resembling a name change, so emit the
|
|
* "name-changed" signal
|
|
*/
|
|
pika_object_name_changed (PIKA_OBJECT (floating_layer));
|
|
|
|
pika_drawable_update (PIKA_DRAWABLE (floating_layer),
|
|
0, 0,
|
|
pika_item_get_width (PIKA_ITEM (floating_layer)),
|
|
pika_item_get_height (PIKA_ITEM (floating_layer)));
|
|
break;
|
|
|
|
default:
|
|
g_return_if_reached ();
|
|
}
|
|
}
|
