qwt_analog_clock.h

/* -*- 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 "qwt_global.h"
#include "qwt_dial.h"
#include "qwt_dial_needle.h"
#include <qdatetime.h>

class QWT_EXPORT QwtAnalogClock: public QwtDial
{
    Q_OBJECT

public:
    enum Hand
    {
        SecondHand,

        MinuteHand,

        HourHand,

        NHands
    };

    explicit QwtAnalogClock( QWidget* parent = NULL );
    virtual ~QwtAnalogClock();

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

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

protected:
    virtual QwtText scaleLabel( double ) const;

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

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

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

    QwtDialNeedle *d_hand[NHands];
};

#endif