--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/platform/gtk/Language.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2007 Alp Toker <alp@atoker.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "Language.h"
+
+#include "GOwnPtr.h"
+#include "PlatformString.h"
+#include <wtf/text/CString.h>
+
+#include <gtk/gtk.h>
+#include <locale.h>
+#include <pango/pango.h>
+
+namespace WebCore {
+
+// Using pango_language_get_default() here is not an option, because
+// it doesn't support changing the locale in runtime, so it returns
+// always the same value.
+String defaultLanguage()
+{
+    char* localeDefault = setlocale(LC_CTYPE, NULL);
+
+    if (!localeDefault)
+        return String("c");
+
+    GOwnPtr<gchar> normalizedDefault(g_ascii_strdown(localeDefault, -1));
+    char* ptr = strchr(normalizedDefault.get(), '_');
+
+    if (ptr)
+        *ptr = '-';
+
+    ptr = strchr(normalizedDefault.get(), '.');
+
+    if (ptr)
+        *ptr = '\0';
+
+    return String(normalizedDefault.get());
+}
+
+}