qwt_analog_clock.h

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/******************************************************************************
 * 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"

class QwtDialNeedle;

class QWT_EXPORT QwtAnalogClock : public QwtDial
{
    Q_OBJECT

  public:
    enum Hand
    {
        SecondHand,

        MinuteHand,

        HourHand,

        NHands
    };

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

    void setHand( Hand, QwtDialNeedle* );

    const QwtDialNeedle* hand( Hand ) const;
    QwtDialNeedle* hand( Hand );

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

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

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

  private:
    // use setHand instead
    void setNeedle( QwtDialNeedle* );

    QwtDialNeedle* m_hand[NHands];
};

#endif