src/qwt/src/qwt_analog_clock.h

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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
 * Qwt Widget Library
 * Copyright (C) 1997   Josef Wilgen
 * Copyright (C) 2002   Uwe Rathmann
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the Qwt License, Version 1.0
 *****************************************************************************/

#ifndef QWT_ANALOG_CLOCK_H
#define QWT_ANALOG_CLOCK_H

#include <qdatetime.h>
#include "qwt_global.h"
#include "qwt_dial.h"
#include "qwt_dial_needle.h"

class QWT_EXPORT QwtAnalogClock: public QwtDial
{
    Q_OBJECT

public:
    enum Hand
    {
        SecondHand,
        MinuteHand,
        HourHand,

        NHands
    };

    explicit QwtAnalogClock(QWidget* parent = NULL);
#if QT_VERSION < 0x040000
    explicit QwtAnalogClock(QWidget* parent, const char *name);
#endif
    virtual ~QwtAnalogClock();

    virtual void setHand(Hand, QwtDialNeedle *);
    const QwtDialNeedle *hand(Hand) const;
    QwtDialNeedle *hand(Hand);

public slots:
    void setCurrentTime();
    void setTime(const QTime & = QTime::currentTime());

protected:
    virtual QwtText scaleLabel(double) const;

    virtual void drawNeedle(QPainter *, const QPoint &,
        int radius, double direction, QPalette::ColorGroup) const;

    virtual void drawHand(QPainter *, Hand, const QPoint &,
        int radius, double direction, QPalette::ColorGroup) const;

private:
    virtual void setNeedle(QwtDialNeedle *);
    void initClock();

    QwtDialNeedle *d_hand[NHands];
};

#endif