1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
30 #include "gdkinternals.h"
31 #include "gdkdisplay-x11.h"
32 #include "gdkprivate-x11.h"
39 /* If this variable is FALSE, it indicates that we should
40 * avoid trying to use multibyte conversion functions and
41 * assume everything is 1-byte per character
43 static gboolean gdk_use_mb;
46 _gdk_x11_initialize_locale (void)
49 gchar *current_locale;
50 static char *last_locale = NULL;
54 current_locale = setlocale (LC_ALL, NULL);
56 if (last_locale && strcmp (last_locale, current_locale) == 0)
60 last_locale = g_strdup (current_locale);
62 if (XSupportsLocale ())
63 XSetLocaleModifiers ("");
65 if ((strcmp (current_locale, "C")) && (strcmp (current_locale, "POSIX")))
70 /* Detect ancient GNU libc, where mb == UTF8. Not useful unless it's
71 * really a UTF8 locale. The below still probably will
72 * screw up on Greek, Cyrillic, etc, encoded as UTF8.
75 if ((MB_CUR_MAX == 2) &&
76 (mbstowcs (&result, "\xdd\xa5", 1) > 0) &&
79 if ((strlen (current_locale) < 4) ||
80 g_ascii_strcasecmp (current_locale + strlen(current_locale) - 4,
88 g_message ("%s multi-byte string functions.",
89 gdk_use_mb ? "Using" : "Not using"));
97 if (!setlocale (LC_ALL,""))
98 g_warning ("locale not supported by C library");
100 _gdk_x11_initialize_locale ();
102 return setlocale (LC_ALL, NULL);