PIKApp/app/dialogs/image-merge-layers-dialog.c

197 lines
7.2 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 <gegl.h>
#include <gtk/gtk.h>
#include "libpikawidgets/pikawidgets.h"
#include "dialogs-types.h"
#include "core/pikacontext.h"
#include "core/pikaimage.h"
#include "core/pikaitemstack.h"
#include "widgets/pikahelp-ids.h"
#include "widgets/pikaviewabledialog.h"
#include "image-merge-layers-dialog.h"
#include "pika-intl.h"
typedef struct _ImageMergeLayersDialog ImageMergeLayersDialog;
struct _ImageMergeLayersDialog
{
PikaImage *image;
PikaContext *context;
PikaMergeType merge_type;
gboolean merge_active_group;
gboolean discard_invisible;
PikaMergeLayersCallback callback;
gpointer user_data;
};
/* local function prototypes */
static void image_merge_layers_dialog_free (ImageMergeLayersDialog *private);
static void image_merge_layers_dialog_response (GtkWidget *dialog,
gint response_id,
ImageMergeLayersDialog *private);
/* public functions */
GtkWidget *
image_merge_layers_dialog_new (PikaImage *image,
PikaContext *context,
GtkWidget *parent,
PikaMergeType merge_type,
gboolean merge_active_group,
gboolean discard_invisible,
PikaMergeLayersCallback callback,
gpointer user_data)
{
ImageMergeLayersDialog *private;
GtkWidget *dialog;
GtkWidget *vbox;
GtkWidget *frame;
GtkWidget *button;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
private = g_slice_new0 (ImageMergeLayersDialog);
private->image = image;
private->context = context;
private->merge_type = merge_type;
private->merge_active_group = merge_active_group;
private->discard_invisible = discard_invisible;
private->callback = callback;
private->user_data = user_data;
dialog = pika_viewable_dialog_new (g_list_prepend (NULL, image), context,
_("Merge Layers"), "pika-image-merge-layers",
PIKA_ICON_LAYER_MERGE_DOWN,
_("Layers Merge Options"),
parent,
pika_standard_help_func,
PIKA_HELP_IMAGE_MERGE_LAYERS,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_Merge"), GTK_RESPONSE_OK,
NULL);
pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
g_object_weak_ref (G_OBJECT (dialog),
(GWeakNotify) image_merge_layers_dialog_free, private);
g_signal_connect (dialog, "response",
G_CALLBACK (image_merge_layers_dialog_response),
private);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
frame =
pika_enum_radio_frame_new_with_range (PIKA_TYPE_MERGE_TYPE,
PIKA_EXPAND_AS_NECESSARY,
PIKA_CLIP_TO_BOTTOM_LAYER,
gtk_label_new (_("Final, Merged Layer should be:")),
G_CALLBACK (pika_radio_button_update),
&private->merge_type, NULL,
&button);
pika_int_radio_group_set_active (GTK_RADIO_BUTTON (button),
private->merge_type);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
button = gtk_check_button_new_with_mnemonic (_("Merge within active _groups only"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
private->merge_active_group);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_signal_connect (button, "toggled",
G_CALLBACK (pika_toggle_button_update),
&private->merge_active_group);
if (pika_item_stack_is_flat (PIKA_ITEM_STACK (pika_image_get_layers (image))))
gtk_widget_set_sensitive (button, FALSE);
button = gtk_check_button_new_with_mnemonic (_("_Discard invisible layers"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
private->discard_invisible);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_signal_connect (button, "toggled",
G_CALLBACK (pika_toggle_button_update),
&private->discard_invisible);
return dialog;
}
/* private functions */
static void
image_merge_layers_dialog_free (ImageMergeLayersDialog *private)
{
g_slice_free (ImageMergeLayersDialog, private);
}
static void
image_merge_layers_dialog_response (GtkWidget *dialog,
gint response_id,
ImageMergeLayersDialog *private)
{
if (response_id == GTK_RESPONSE_OK)
{
private->callback (dialog,
private->image,
private->context,
private->merge_type,
private->merge_active_group,
private->discard_invisible,
private->user_data);
}
else
{
gtk_widget_destroy (dialog);
}
}