/*
 # 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 <QtWidgets>
#include <QSharedPointer>
#include <QImage>

class VncThread;
class QPainter;

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();

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

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_ */