PIKApp/app/actions/gradients-commands.c

156 lines
5.2 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 "actions-types.h"
#include "core/pika.h"
#include "core/pikagradient-save.h"
#include "core/pikacontext.h"
#include "widgets/pikacontainereditor.h"
#include "widgets/pikacontainerview.h"
#include "widgets/pikahelp-ids.h"
#include "dialogs/dialogs.h"
#include "gradients-commands.h"
#include "pika-intl.h"
/* local function prototypes */
static void gradients_save_as_pov_ray_response (GtkWidget *dialog,
gint response_id,
PikaGradient *gradient);
/* public functions */
void
gradients_save_as_pov_ray_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaContainerEditor *editor = PIKA_CONTAINER_EDITOR (data);
PikaContext *context;
PikaGradient *gradient;
GtkWidget *dialog;
context = pika_container_view_get_context (editor->view);
gradient = pika_context_get_gradient (context);
if (! gradient)
return;
#define SAVE_AS_POV_DIALOG_KEY "pika-save-as-pov-ray-dialog"
dialog = dialogs_get_dialog (G_OBJECT (gradient), SAVE_AS_POV_DIALOG_KEY);
if (! dialog)
{
gchar *title = g_strdup_printf (_("Save '%s' as POV-Ray"),
pika_object_get_name (gradient));
dialog = gtk_file_chooser_dialog_new (title, NULL,
GTK_FILE_CHOOSER_ACTION_SAVE,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_Save"), GTK_RESPONSE_OK,
NULL);
g_free (title);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
g_object_set_data (G_OBJECT (dialog), "pika", context->pika);
gtk_window_set_screen (GTK_WINDOW (dialog),
gtk_widget_get_screen (GTK_WIDGET (editor)));
gtk_window_set_role (GTK_WINDOW (dialog), "pika-gradient-save-pov");
gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE);
gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (dialog),
TRUE);
g_signal_connect (dialog, "response",
G_CALLBACK (gradients_save_as_pov_ray_response),
gradient);
g_signal_connect (dialog, "delete-event",
G_CALLBACK (gtk_true),
NULL);
g_signal_connect_object (dialog, "destroy",
G_CALLBACK (g_object_unref),
g_object_ref (gradient),
G_CONNECT_SWAPPED);
pika_help_connect (dialog, pika_standard_help_func,
PIKA_HELP_GRADIENT_SAVE_AS_POV, NULL, NULL);
dialogs_attach_dialog (G_OBJECT (gradient),
SAVE_AS_POV_DIALOG_KEY, dialog);
}
gtk_window_present (GTK_WINDOW (dialog));
}
/* private functions */
static void
gradients_save_as_pov_ray_response (GtkWidget *dialog,
gint response_id,
PikaGradient *gradient)
{
if (response_id == GTK_RESPONSE_OK)
{
GFile *file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
GError *error = NULL;
if (! pika_gradient_save_pov (gradient, file, &error))
{
pika_message_literal (g_object_get_data (G_OBJECT (dialog), "pika"),
G_OBJECT (dialog), PIKA_MESSAGE_ERROR,
error->message);
g_clear_error (&error);
g_object_unref (file);
return;
}
g_object_unref (file);
}
gtk_widget_destroy (dialog);
}