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[4272] | 1 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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| 2 | * QwtPolar Widget Library
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| 3 | * Copyright (C) 2008 Uwe Rathmann
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| 4 | *
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| 5 | * This library is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the Qwt License, Version 1.0
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| 7 | *****************************************************************************/
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| 8 |
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| 9 | #ifndef QWT_POLAR_PANNER_H
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| 10 | #define QWT_POLAR_PANNER_H 1
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| 11 |
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| 12 | #include "qwt_polar_global.h"
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| 13 | #include "qwt_panner.h"
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| 14 |
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| 15 | class QwtPolarPlot;
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| 16 | class QwtPolarCanvas;
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| 17 |
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| 18 | /*!
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| 19 | \brief QwtPolarPanner provides panning of a polar plot canvas
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| 20 |
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| 21 | QwtPolarPanner is a panner for a QwtPolarCanvas, that
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| 22 | adjusts the visible area after dropping
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| 23 | the canvas on its new position.
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| 24 |
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| 25 | Together with QwtPolarMagnifier individual ways
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| 26 | of navigating on a QwtPolarPlot widget can be implemented easily.
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| 27 |
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| 28 | \sa QwtPolarMagnifier
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| 29 | */
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| 30 |
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| 31 | class QWT_POLAR_EXPORT QwtPolarPanner: public QwtPanner
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| 32 | {
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| 33 | Q_OBJECT
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| 34 |
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| 35 | public:
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| 36 | explicit QwtPolarPanner( QwtPolarCanvas * );
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| 37 | virtual ~QwtPolarPanner();
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| 38 |
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| 39 | QwtPolarPlot *plot();
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| 40 | const QwtPolarPlot *plot() const;
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| 41 |
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| 42 | QwtPolarCanvas *canvas();
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| 43 | const QwtPolarCanvas *canvas() const;
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| 44 |
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| 45 | protected Q_SLOTS:
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| 46 | virtual void movePlot( int dx, int dy );
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| 47 |
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| 48 | protected:
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| 49 | virtual void widgetMousePressEvent( QMouseEvent * );
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| 50 | };
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| 51 |
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| 52 | #endif
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