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qwt_compass.h

00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
00002  * Qwt Widget Library
00003  * Copyright (C) 1997   Josef Wilgen
00004  * Copyright (C) 2002   Uwe Rathmann
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the Qwt License, Version 1.0
00008  *****************************************************************************/
00009 
00010 #ifndef QWT_COMPASS_H
00011 #define QWT_COMPASS_H 1
00012 
00013 #include <qstring.h>
00014 #include <qmap.h>
00015 #include "qwt_dial.h"
00016 
00017 #if defined(QWT_TEMPLATEDLL)
00018 // MOC_SKIP_BEGIN
00019 template class QWT_EXPORT QMap<double, QString>;
00020 // MOC_SKIP_END
00021 #endif
00022 
00023 class QwtCompassRose;
00024 
00036 class QWT_EXPORT QwtCompass: public QwtDial 
00037 {
00038     Q_OBJECT
00039 
00040 public:
00041     QwtCompass( QWidget* parent=0, const char* name = 0);
00042     virtual ~QwtCompass();
00043 
00044     void setRose(QwtCompassRose *rose);
00045     const QwtCompassRose *rose() const;
00046     QwtCompassRose *rose();
00047 
00048     const QMap<double, QString> &labelMap() const;
00049     QMap<double, QString> &labelMap();
00050     void setLabelMap(const QMap<double, QString> &map);
00051 
00052 protected:
00053     virtual QString scaleLabel(double value) const;
00054 
00055     virtual void drawRose(QPainter *, const QPoint &center,
00056         int radius, double north, QPalette::ColorGroup) const;
00057 
00058     virtual void drawScaleContents(QPainter *, 
00059         const QPoint &center, int radius) const; 
00060 
00061     virtual void keyPressEvent(QKeyEvent *);
00062 
00063 private:
00064     QwtCompassRose *d_rose;
00065     QMap<double, QString> d_labelMap;
00066 };
00067 
00068 #endif

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