gimp/app/core/gimp-templates.c

213 lines
6.0 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-1997 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "core-types.h"
#include "gimp.h"
#include "gimp-templates.h"
#include "gimplist.h"
#include "gimptemplate.h"
/* functions to load and save the gimp templates files */
void
gimp_templates_load (Gimp *gimp)
{
gchar *filename;
GError *error = NULL;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (GIMP_IS_LIST (gimp->templates));
filename = gimp_personal_rc_file ("templaterc");
if (gimp->be_verbose)
g_print ("Parsing '%s'\n", gimp_filename_to_utf8 (filename));
if (! gimp_config_deserialize_file (GIMP_CONFIG (gimp->templates),
filename, NULL, &error))
{
if (error->code == GIMP_CONFIG_ERROR_OPEN_ENOENT)
{
g_clear_error (&error);
g_free (filename);
filename = g_build_filename (gimp_sysconf_directory (),
"templaterc", NULL);
if (! gimp_config_deserialize_file (GIMP_CONFIG (gimp->templates),
filename, NULL, &error))
{
gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR,
error->message);
}
}
else
{
gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR, error->message);
}
g_clear_error (&error);
}
gimp_list_reverse (GIMP_LIST (gimp->templates));
g_free (filename);
}
void
gimp_templates_save (Gimp *gimp)
{
const gchar *header =
"GIMP templaterc\n"
"\n"
"This file will be entirely rewritten each time you exit.";
const gchar *footer =
"end of templaterc";
gchar *filename;
GError *error = NULL;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (GIMP_IS_LIST (gimp->templates));
filename = gimp_personal_rc_file ("templaterc");
if (gimp->be_verbose)
g_print ("Writing '%s'\n", gimp_filename_to_utf8 (filename));
if (! gimp_config_serialize_to_file (GIMP_CONFIG (gimp->templates),
filename,
header, footer, NULL,
&error))
{
gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR, error->message);
g_error_free (error);
}
g_free (filename);
}
/* just like gimp_list_get_child_by_name() but matches case-insensitive
* and dpi/ppi-insensitive
*/
static GimpObject *
gimp_templates_migrate_get_child_by_name (const GimpContainer *container,
const gchar *name)
{
GimpList *list = GIMP_LIST (container);
GimpObject *retval = NULL;
GList *glist;
for (glist = list->list; glist; glist = g_list_next (glist))
{
GimpObject *object = glist->data;
gchar *str1 = g_ascii_strdown (gimp_object_get_name (object), -1);
gchar *str2 = g_ascii_strdown (name, -1);
if (! strcmp (str1, str2))
{
retval = object;
}
else
{
gchar *dpi = strstr (str1, "dpi");
if (dpi)
{
strncpy (dpi, "ppi", 3);
g_print ("replaced: %s\n", str1);
if (! strcmp (str1, str2))
retval = object;
}
}
g_free (str1);
g_free (str2);
}
return retval;
}
/**
* gimp_templates_migrate:
* @olddir: the old user directory
*
* Migrating the templaterc from GIMP 2.0 to GIMP 2.2 needs this special
* hack since we changed the way that units are handled. This function
* merges the user's templaterc with the systemwide templaterc. The goal
* is to replace the unit for a couple of default templates with "pixels".
**/
void
gimp_templates_migrate (const gchar *olddir)
{
GimpContainer *templates = gimp_list_new (GIMP_TYPE_TEMPLATE, TRUE);
gchar *filename = gimp_personal_rc_file ("templaterc");
if (gimp_config_deserialize_file (GIMP_CONFIG (templates), filename,
NULL, NULL))
{
gchar *tmp = g_build_filename (gimp_sysconf_directory (),
"templaterc", NULL);
if (olddir && (strstr (olddir, "2.0") || strstr (olddir, "2.2")))
{
/* We changed the spelling of a couple of template names:
*
* - from upper to lower case between 2.0 and 2.2
* - from "dpi" to "ppi" between 2.2 and 2.4
*/
GimpContainerClass *class = GIMP_CONTAINER_GET_CLASS (templates);
gpointer func = class->get_child_by_name;
class->get_child_by_name = gimp_templates_migrate_get_child_by_name;
gimp_config_deserialize_file (GIMP_CONFIG (templates),
tmp, NULL, NULL);
class->get_child_by_name = func;
}
else
{
gimp_config_deserialize_file (GIMP_CONFIG (templates),
tmp, NULL, NULL);
}
g_free (tmp);
gimp_list_reverse (GIMP_LIST (templates));
gimp_config_serialize_to_file (GIMP_CONFIG (templates), filename,
NULL, NULL, NULL, NULL);
}
g_free (filename);
}