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105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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#include <locale.h>
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#include <stdlib.h>
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#include <string.h>
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#include "gdkx.h"
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#include "gdk.h" /* For gdk_flush() */
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#include "gdkpixmap.h"
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#include "gdkinternals.h"
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#include "gdkdisplay-x11.h"
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/* If this variable is FALSE, it indicates that we should
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* avoid trying to use multibyte conversion functions and
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* assume everything is 1-byte per character
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*/
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static gboolean gdk_use_mb;
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void
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_gdk_x11_initialize_locale (void)
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{
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wchar_t result;
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gchar *current_locale;
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static char *last_locale = NULL;
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gdk_use_mb = FALSE;
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current_locale = setlocale (LC_ALL, NULL);
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if (last_locale && strcmp (last_locale, current_locale) == 0)
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return;
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g_free (last_locale);
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last_locale = g_strdup (current_locale);
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if (XSupportsLocale ())
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XSetLocaleModifiers ("");
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if ((strcmp (current_locale, "C")) && (strcmp (current_locale, "POSIX")))
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{
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gdk_use_mb = TRUE;
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#ifndef X_LOCALE
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/* Detect ancient GNU libc, where mb == UTF8. Not useful unless it's
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* really a UTF8 locale. The below still probably will
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* screw up on Greek, Cyrillic, etc, encoded as UTF8.
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*/
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if ((MB_CUR_MAX == 2) &&
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(mbstowcs (&result, "\xdd\xa5", 1) > 0) &&
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result == 0x765)
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{
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if ((strlen (current_locale) < 4) ||
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g_ascii_strcasecmp (current_locale + strlen(current_locale) - 4,
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"utf8"))
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gdk_use_mb = FALSE;
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}
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#endif /* X_LOCALE */
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}
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GDK_NOTE (XIM,
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g_message ("%s multi-byte string functions.",
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gdk_use_mb ? "Using" : "Not using"));
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return;
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}
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gchar*
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gdk_set_locale (void)
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{
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if (!setlocale (LC_ALL,""))
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g_warning ("locale not supported by C library");
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_gdk_x11_initialize_locale ();
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return setlocale (LC_ALL, NULL);
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}
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