/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#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

    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::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

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