| 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_ANALOG_CLOCK_H
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| 11 | #define QWT_ANALOG_CLOCK_H
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| 12 |
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| 13 | #include <qdatetime.h>
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| 14 | #include "qwt_global.h"
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| 15 | #include "qwt_dial.h"
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| 16 | #include "qwt_dial_needle.h"
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| 17 |
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| 18 | /*!
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| 19 | \brief An analog clock
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| 20 |
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| 21 | \image html analogclock.png
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| 22 |
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| 23 | \par Example
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| 24 | \verbatim #include <qwt_analog_clock.h>
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| 25 |
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| 26 | QwtAnalogClock *clock = new QwtAnalogClock(...);
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| 27 | clock->scaleDraw()->setPenWidth(3);
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| 28 | clock->setLineWidth(6);
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| 29 | clock->setFrameShadow(QwtDial::Sunken);
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| 30 | clock->setTime();
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| 31 |
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| 32 | // update the clock every second
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| 33 | QTimer *timer = new QTimer(clock);
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| 34 | timer->connect(timer, SIGNAL(timeout()), clock, SLOT(setCurrentTime()));
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| 35 | timer->start(1000);
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| 36 |
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| 37 | \endverbatim
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| 38 |
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| 39 | Qwt is missing a set of good looking hands.
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| 40 | Contributions are very welcome.
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| 41 |
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| 42 | \note The examples/dials example shows how to use QwtAnalogClock.
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| 43 | */
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| 44 |
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| 45 | class QWT_EXPORT QwtAnalogClock: public QwtDial
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| 46 | {
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| 47 | Q_OBJECT
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| 48 |
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| 49 | public:
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| 50 | /*!
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| 51 | Hand type
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| 52 | \sa setHand(), hand()
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| 53 | */
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| 54 |
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| 55 | enum Hand
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| 56 | {
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| 57 | SecondHand,
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| 58 | MinuteHand,
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| 59 | HourHand,
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| 60 |
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| 61 | NHands
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| 62 | };
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| 63 |
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| 64 | explicit QwtAnalogClock(QWidget* parent = NULL);
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| 65 | #if QT_VERSION < 0x040000
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| 66 | explicit QwtAnalogClock(QWidget* parent, const char *name);
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| 67 | #endif
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| 68 | virtual ~QwtAnalogClock();
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| 69 |
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| 70 | virtual void setHand(Hand, QwtDialNeedle *);
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| 71 | const QwtDialNeedle *hand(Hand) const;
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| 72 | QwtDialNeedle *hand(Hand);
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| 73 |
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| 74 | public slots:
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| 75 | void setCurrentTime();
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| 76 | void setTime(const QTime & = QTime::currentTime());
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| 77 |
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| 78 | protected:
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| 79 | virtual QwtText scaleLabel(double) const;
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| 80 |
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| 81 | virtual void drawNeedle(QPainter *, const QPoint &,
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| 82 | int radius, double direction, QPalette::ColorGroup) const;
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| 83 |
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| 84 | virtual void drawHand(QPainter *, Hand, const QPoint &,
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| 85 | int radius, double direction, QPalette::ColorGroup) const;
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| 86 |
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| 87 | private:
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| 88 | virtual void setNeedle(QwtDialNeedle *);
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| 89 | void initClock();
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| 90 |
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| 91 | QwtDialNeedle *d_hand[NHands];
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| 92 | };
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| 93 |
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| 94 | #endif
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