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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include <locale.h>
#include <stdlib.h>
#include <string.h>
#include "gdkx.h"
#include "gdk.h" /* For gdk_flush() */
#include "gdkinternals.h"
#include "gdkdisplay-x11.h"
/* If this variable is FALSE, it indicates that we should
* avoid trying to use multibyte conversion functions and
* assume everything is 1-byte per character
*/
static gboolean gdk_use_mb;
void
_gdk_x11_initialize_locale (void)
{
wchar_t result;
gchar *current_locale;
static char *last_locale = NULL;
gdk_use_mb = FALSE;
current_locale = setlocale (LC_ALL, NULL);
if (last_locale && strcmp (last_locale, current_locale) == 0)
return;
g_free (last_locale);
last_locale = g_strdup (current_locale);
if (XSupportsLocale ())
XSetLocaleModifiers ("");
if ((strcmp (current_locale, "C")) && (strcmp (current_locale, "POSIX")))
{
gdk_use_mb = TRUE;
#ifndef X_LOCALE
/* Detect ancient GNU libc, where mb == UTF8. Not useful unless it's
* really a UTF8 locale. The below still probably will
* screw up on Greek, Cyrillic, etc, encoded as UTF8.
*/
if ((MB_CUR_MAX == 2) &&
(mbstowcs (&result, "\xdd\xa5", 1) > 0) &&
result == 0x765)
{
if ((strlen (current_locale) < 4) ||
g_ascii_strcasecmp (current_locale + strlen(current_locale) - 4,
"utf8"))
gdk_use_mb = FALSE;
}
#endif /* X_LOCALE */
}
GDK_NOTE (XIM,
g_message ("%s multi-byte string functions.",
gdk_use_mb ? "Using" : "Not using"));
return;
}
gchar*
gdk_set_locale (void)
{
if (!setlocale (LC_ALL,""))
g_warning ("locale not supported by C library");
_gdk_x11_initialize_locale ();
return setlocale (LC_ALL, NULL);
}
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