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/**********************************************************************
** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA.
**
** This file is part of TQt/Embedded virtual framebuffer.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** Licensees holding valid TQt Commercial licenses may use this file in
** accordance with the TQt Commercial License Agreement provided with
** the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#include <tqscrollview.h>
class TQImage;
class TQTimer;
class TQAnimationWriter;
class TQLock;
struct TQVFbHeader;
class TQVFbView : public TQScrollView
{
TQ_OBJECT
public:
TQVFbView( int display_id, int w, int h, int d, TQWidget *tqparent = 0,
const char *name = 0, uint wflags = 0 );
~TQVFbView();
int displayId() const;
int displayWidth() const;
int displayHeight() const;
int displayDepth() const;
bool touchScreenEmulation() const { return emulateTouchscreen; }
int rate() { return refreshRate; }
bool animating() const { return !!animation; }
TQImage image() const;
void setGamma(double gr, double gg, double gb);
double gammaRed() const { return gred; }
double gammaGreen() const { return ggreen; }
double gammaBlue() const { return gblue; }
void getGamma(int i, TQRgb& rgb);
void skinKeyPressEvent( TQKeyEvent *e ) { keyPressEvent(e); }
void skinKeyReleaseEvent( TQKeyEvent *e ) { keyReleaseEvent(e); }
double zoom() const { return zm; }
TQSize tqsizeHint() const;
public Q_SLOTS:
void setTouchscreenEmulation( bool );
void setRate( int );
void setZoom( double );
void startAnimation( const TQString& );
void stopAnimation();
protected Q_SLOTS:
void timeout();
protected:
void initLock();
void lock();
void unlock();
TQImage getBuffer( const TQRect &r, int &leading ) const;
void drawScreen();
void sendMouseData( const TQPoint &pos, int buttons );
void sendKeyboardData( int tqunicode, int keycode, int modifiers,
bool press, bool repeat );
virtual bool eventFilter( TQObject *obj, TQEvent *e );
virtual void viewportPaintEvent( TQPaintEvent *pe );
virtual void contentsMousePressEvent( TQMouseEvent *e );
virtual void contentsMouseDoubleClickEvent( TQMouseEvent *e );
virtual void contentsMouseReleaseEvent( TQMouseEvent *e );
virtual void contentsMouseMoveEvent( TQMouseEvent *e );
virtual void keyPressEvent( TQKeyEvent *e );
virtual void keyReleaseEvent( TQKeyEvent *e );
private:
bool emulateTouchscreen;
void setDirty( const TQRect& );
int shmId;
unsigned char *data;
TQVFbHeader *hdr;
int viewdepth; // "faked" depth
int rsh;
int gsh;
int bsh;
int rmax;
int gmax;
int bmax;
double gred, ggreen, gblue;
TQRgb* gammatable;
TQLock *qwslock;
TQTimer *timer;
int mouseFd;
int keyboardFd;
int refreshRate;
TQString mousePipe;
TQString keyboardPipe;
TQAnimationWriter *animation;
int displayid;
double zm;
};
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