PIKApp/app/core/pika-contexts.c

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2023-09-26 00:35:21 +02:00
/* 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) 1995-1999 Spencer Kimball and Peter Mattis
*
* pika-contexts.c
*
* 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 "libpikabase/pikabase.h"
#include "libpikaconfig/pikaconfig.h"
#include "core-types.h"
#include "pika.h"
#include "pikaerror.h"
#include "pika-contexts.h"
#include "pikacontext.h"
#include "config/pikaconfig-file.h"
#include "pika-intl.h"
void
pika_contexts_init (Pika *pika)
{
PikaContext *context;
g_return_if_fail (PIKA_IS_PIKA (pika));
/* the default context contains the user's saved preferences
*
* TODO: load from disk
*/
context = pika_context_new (pika, "Default", NULL);
pika_set_default_context (pika, context);
g_object_unref (context);
/* the initial user_context is a straight copy of the default context
*/
context = pika_context_new (pika, "User", context);
pika_set_user_context (pika, context);
g_object_unref (context);
}
void
pika_contexts_exit (Pika *pika)
{
g_return_if_fail (PIKA_IS_PIKA (pika));
pika_set_user_context (pika, NULL);
pika_set_default_context (pika, NULL);
}
gboolean
pika_contexts_load (Pika *pika,
GError **error)
{
GFile *file;
GError *my_error = NULL;
gboolean success;
g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
file = pika_directory_file ("contextrc", NULL);
if (pika->be_verbose)
g_print ("Parsing '%s'\n", pika_file_get_utf8_name (file));
success = pika_config_deserialize_file (PIKA_CONFIG (pika_get_user_context (pika)),
file,
NULL, &my_error);
g_object_unref (file);
if (! success)
{
if (my_error->code == PIKA_CONFIG_ERROR_OPEN_ENOENT)
{
g_clear_error (&my_error);
success = TRUE;
}
else
{
g_propagate_error (error, my_error);
}
}
return success;
}
gboolean
pika_contexts_save (Pika *pika,
GError **error)
{
GFile *file;
gboolean success;
g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
file = pika_directory_file ("contextrc", NULL);
if (pika->be_verbose)
g_print ("Writing '%s'\n", pika_file_get_utf8_name (file));
success = pika_config_serialize_to_file (PIKA_CONFIG (pika_get_user_context (pika)),
file,
"PIKA user context",
"end of user context",
NULL, error);
g_object_unref (file);
return success;
}
gboolean
pika_contexts_clear (Pika *pika,
GError **error)
{
GFile *file;
GError *my_error = NULL;
gboolean success = TRUE;
g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
file = pika_directory_file ("contextrc", NULL);
if (! g_file_delete (file, NULL, &my_error) &&
my_error->code != G_IO_ERROR_NOT_FOUND)
{
success = FALSE;
g_set_error (error, PIKA_ERROR, PIKA_FAILED,
_("Deleting \"%s\" failed: %s"),
pika_file_get_utf8_name (file), my_error->message);
}
g_clear_error (&my_error);
g_object_unref (file);
return success;
}