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diff --git a/vcl/inc/unx/i18n_xkb.hxx b/vcl/inc/unx/i18n_xkb.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _SAL_I18N_XKBDEXTENSION_HXX
+#define _SAL_I18N_XKBDEXTENSION_HXX
+
+#include <sal/types.h>
+#include <vclpluginapi.h>
+
+class VCLPLUG_GEN_PUBLIC SalI18N_KeyboardExtension
+{
+private:
+
+    sal_Bool            mbUseExtension;
+    sal_uInt32          mnDefaultGroup;
+    sal_uInt32          mnGroup;
+    int                 mnEventBase;
+    int                 mnErrorBase;
+    Display*            mpDisplay;
+
+public:
+
+                        SalI18N_KeyboardExtension( Display *pDisplay );
+    inline              ~SalI18N_KeyboardExtension();
+
+    inline sal_Bool     UseExtension() const ;      // server and client support the
+                                                    // extension
+    inline void         UseExtension( sal_Bool bState );// used to disable the Extension
+
+    void                Dispatch( XEvent *pEvent ); // keep track of group changes
+
+    sal_uInt32          LookupKeysymInGroup(    sal_uInt32 nKeyCode,
+                                                  sal_uInt32 nShiftState,
+                                                  sal_uInt32 nGroup ) const ;
+
+    inline sal_uInt32   LookupKeysymInDefaultGroup(
+                                                sal_uInt32 nKeyCode,
+                                                sal_uInt32 nShiftState ) const ;
+    inline sal_uInt32   GetGroup() const ;          // the current keyboard group
+    inline sal_uInt32   GetDefaultGroup() const ;   // base group, usually group 1
+    inline int          GetEventBase() const ;
+
+protected:
+
+                        SalI18N_KeyboardExtension(); // disabled
+};
+
+inline
+SalI18N_KeyboardExtension::~SalI18N_KeyboardExtension()
+{
+}
+
+inline sal_Bool
+SalI18N_KeyboardExtension::UseExtension() const
+{
+    return mbUseExtension;
+}
+
+inline void
+SalI18N_KeyboardExtension::UseExtension( sal_Bool bState )
+{
+    mbUseExtension = mbUseExtension && bState;
+}
+
+inline sal_uInt32
+SalI18N_KeyboardExtension::LookupKeysymInDefaultGroup( sal_uInt32 nKeyCode,
+                                                       sal_uInt32 nShiftState ) const
+{
+    return LookupKeysymInGroup( nKeyCode, nShiftState, mnDefaultGroup );
+}
+
+inline sal_uInt32
+SalI18N_KeyboardExtension::GetGroup() const
+{
+    return mnGroup;
+}
+
+inline sal_uInt32
+SalI18N_KeyboardExtension::GetDefaultGroup() const
+{
+    return mnDefaultGroup;
+}
+
+inline int
+SalI18N_KeyboardExtension::GetEventBase() const
+{
+    return mnEventBase;
+}
+
+#endif // _SAL_I18N_XKBDEXTENSION_HXX
+