vncwindow.h

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/*
 # Copyright (c) 2009, 2010 - OpenSLX Project, Computer Center University of
 # Freiburg
 #
 # This program is free software distributed under the GPL version 2.
 # See http://openslx.org/COPYING
 #
 # If you have any feedback please consult http://openslx.org/feedback and
 # send your suggestions, praise, or complaints to feedback@openslx.org
 #
 # General information about OpenSLX can be found at http://openslx.org/
 */

#ifndef CLIENTVNCVIEWER_H_
#define CLIENTVNCVIEWER_H_

#include <QSharedPointer>
#include <QWidget>
#include <QPixmap>

class VncThread;
class QPainter;
class QImage;

class VncWindow : public QWidget
{
   Q_OBJECT

public:
   VncWindow(QWidget *parent = 0);
   virtual ~VncWindow();

protected slots:
   void onUpdateImage(const int x, const int y, const int w, const int h);
   void onProjectionStarted();
   void onProjectionStopped();
   void timer_moveToTop();
   void deleteVncThread();

public slots:
   void open(const QString& host, int port, const QString& passwd, bool ro, bool fullscreen, const QString& caption, const int clientId, const QByteArray& rawThumb);

signals:
   void running(const bool isRunning, const int clientId);

protected:
   void paintEvent(QPaintEvent *event);
   void resizeEvent(QResizeEvent*) { this->update(); }
   void closeEvent(QCloseEvent *e);
   void timerEvent(QTimerEvent *event);
   void keyReleaseEvent(QKeyEvent *event);

private:
   int _srcStepX, _srcStepY, _dstStepX, _dstStepY;
   VncThread *_vncWorker;
   bool _viewOnly;
   bool _multiScreen;
   int _clientId;
   int _redrawTimer;
   int _tcpTimeoutTimer;
   QPixmap _remoteThumb;
   QSize _remoteSize;
   QSize _desiredSize;

   void draw(const int x, const int y, const int w, const int h);
   void terminateVncThread();
   bool calcScaling(const QImage *remote);

};

#endif /* CLIENTVNCVIEWER_H_ */