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C

/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* QwtPolar Widget Library
* Copyright (C) 2008 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_POLAR_PANNER_H
#define QWT_POLAR_PANNER_H 1
#include "qwt_polar_global.h"
#include "qwt_panner.h"
class QwtPolarPlot;
class QwtPolarCanvas;
/*!
\brief QwtPolarPanner provides panning of a polar plot canvas
QwtPolarPanner is a panner for a QwtPolarCanvas, that
adjusts the visible area after dropping
the canvas on its new position.
Together with QwtPolarMagnifier individual ways
of navigating on a QwtPolarPlot widget can be implemented easily.
\sa QwtPolarMagnifier
*/
class QWT_POLAR_EXPORT QwtPolarPanner: public QwtPanner
{
Q_OBJECT
public:
explicit QwtPolarPanner( QwtPolarCanvas * );
virtual ~QwtPolarPanner();
QwtPolarPlot *plot();
const QwtPolarPlot *plot() const;
QwtPolarCanvas *canvas();
const QwtPolarCanvas *canvas() const;
protected Q_SLOTS:
virtual void movePlot( int dx, int dy );
protected:
virtual void widgetMousePressEvent( QMouseEvent * );
};
#endif