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#include <qwt_plot.h>
#include <qwt_interval.h>
#include <qwt_system_clock.h>
class QwtPlotCurve;
class QwtPlotMarker;
class QwtPlotDirectPainter;
class Plot: public QwtPlot
{
Q_OBJECT
public:
Plot( QWidget * = NULL );
virtual ~Plot();
void start();
virtual void replot();
virtual bool eventFilter( QObject *, QEvent * );
public Q_SLOTS:
void setIntervalLength( double );
protected:
virtual void showEvent( QShowEvent * );
virtual void resizeEvent( QResizeEvent * );
virtual void timerEvent( QTimerEvent * );
private:
void updateCurve();
void incrementInterval();
QwtPlotMarker *d_origin;
QwtPlotCurve *d_curve;
int d_paintedPoints;
QwtPlotDirectPainter *d_directPainter;
QwtInterval d_interval;
int d_timerId;
QwtSystemClock d_clock;
};
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