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/*
* SystemKeyTrapper.h - class for trapping system-keys and -key-sequences
* such as Alt+Ctrl+Del, Alt+Tab etc.
*
* Copyright (c) 2006-2011 Tobias Doerffel <tobydox/at/users/dot/sf/dot/net>
*
* This file is part of iTALC - http://italc.sourceforge.net
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#ifndef SYSTEM_KEY_TRAPPER_H
#define SYSTEM_KEY_TRAPPER_H
#include <italcconfig.h>
#include "ItalcRfbExt.h"
#include <QtCore/QMutex>
#include <QtCore/QObject>
class SystemKeyTrapper : public QObject
{
Q_OBJECT
public:
enum TrappedKeys
{
None,
AltCtrlDel,
AltTab,
AltEsc,
AltSpace,
AltF4,
CtrlEsc,
SuperKeyDown,
SuperKeyUp
} ;
SystemKeyTrapper( bool enable = true );
~SystemKeyTrapper();
void setEnabled( bool on );
bool isEnabled() const
{
return m_enabled;
}
void setTaskBarHidden( bool on );
void setAllKeysDisabled( bool on );
private:
static QMutex s_refCntMutex;
static int s_refCnt;
bool m_enabled;
bool m_taskBarHidden;
#ifdef ITALC_BUILD_LINUX
QByteArray m_origKeyTable;
#endif
private slots:
void checkForTrappedKeys();
signals:
void keyEvent( unsigned int, bool );
} ;
#endif
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