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Viewing changes to qwt-5.1.0/examples/event_filter/canvaspicker.h

  • Committer: Bazaar Package Importer
  • Author(s): Fathi Boudra
  • Date: 2008-05-26 10:26:31 UTC
  • mfrom: (1.1.3 upstream) (2.1.1 lenny)
  • Revision ID: james.westby@ubuntu.com-20080526102631-bp95mfccnrb957nx
Tags: 5.1.1-1
New upstream release.

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qwt-5.1.0/examples/event_filter/canvaspicker.h
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#include <qobject.h>
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class QPoint;
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class QCustomEvent;
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class QwtPlot;
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class QwtPlotCurve;
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class CanvasPicker: public QObject
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{
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    Q_OBJECT
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public:
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    CanvasPicker(QwtPlot *plot);
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    virtual bool eventFilter(QObject *, QEvent *);
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    virtual bool event(QEvent *);
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private:
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    void select(const QPoint &);
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    void move(const QPoint &);
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    void moveBy(int dx, int dy);
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    void release();
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    void showCursor(bool enable);
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    void shiftPointCursor(bool up);
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    void shiftCurveCursor(bool up);
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    QwtPlot *plot() { return (QwtPlot *)parent(); }
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    const QwtPlot *plot() const { return (QwtPlot *)parent(); }
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    QwtPlotCurve *d_selectedCurve;
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    int d_selectedPoint;
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};