1 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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2 | * Qwt Widget Library
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3 | * Copyright (C) 1997 Josef Wilgen
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4 | * Copyright (C) 2002 Uwe Rathmann
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5 | *
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6 | * This library is free software; you can redistribute it and/or
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7 | * modify it under the terms of the Qwt License, Version 1.0
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8 | *****************************************************************************/
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9 |
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10 | #ifndef QWT_COMPASS_H
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11 | #define QWT_COMPASS_H 1
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12 |
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13 | #include <qstring.h>
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14 | #include <qmap.h>
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15 | #include "qwt_dial.h"
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16 |
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17 | #if defined(QWT_TEMPLATEDLL)
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18 |
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19 | #if defined(QT_NO_STL) || QT_VERSION < 0x040000 || QT_VERSION > 0x040001
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20 | /*
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21 | Unfortunately Qt 4.0.0/Qt 4.0.1 contains uncompilable
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22 | code in the STL adaptors of qmap.h. The declaration below
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23 | instantiates this code resulting in compiler errors.
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24 | If you really need the map to be exported, remove the condition above
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25 | and fix the qmap.h
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26 | */
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27 | // MOC_SKIP_BEGIN
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28 | template class QWT_EXPORT QMap<double, QString>;
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29 | // MOC_SKIP_END
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30 | #endif
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31 |
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32 | #endif
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33 |
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34 |
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35 | class QwtCompassRose;
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36 |
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37 | /*!
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38 | \brief A Compass Widget
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39 |
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40 | QwtCompass is a widget to display and enter directions. It consists
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41 | of a scale, an optional needle and rose.
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42 |
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43 | \image html dials1.png
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44 |
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45 | \note The examples/dials example shows how to use QwtCompass.
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46 | */
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47 |
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48 | class QWT_EXPORT QwtCompass: public QwtDial
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49 | {
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50 | Q_OBJECT
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51 |
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52 | public:
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53 | explicit QwtCompass( QWidget* parent = NULL);
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54 | #if QT_VERSION < 0x040000
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55 | explicit QwtCompass(QWidget* parent, const char *name);
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56 | #endif
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57 | virtual ~QwtCompass();
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58 |
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59 | void setRose(QwtCompassRose *rose);
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60 | const QwtCompassRose *rose() const;
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61 | QwtCompassRose *rose();
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62 |
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63 | const QMap<double, QString> &labelMap() const;
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64 | QMap<double, QString> &labelMap();
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65 | void setLabelMap(const QMap<double, QString> &map);
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66 |
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67 | protected:
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68 | virtual QwtText scaleLabel(double value) const;
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69 |
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70 | virtual void drawRose(QPainter *, const QPoint ¢er,
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71 | int radius, double north, QPalette::ColorGroup) const;
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72 |
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73 | virtual void drawScaleContents(QPainter *,
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74 | const QPoint ¢er, int radius) const;
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75 |
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76 | virtual void keyPressEvent(QKeyEvent *);
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77 |
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78 | private:
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79 | void initCompass();
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80 |
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81 | class PrivateData;
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82 | PrivateData *d_data;
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83 | };
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84 |
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85 | #endif
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