Qwt User's Guide 6.0.1

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# qwt_analog_clock.h

    00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
    00002  * Qwt Widget Library
    00003  * Copyright (C) 1997   Josef Wilgen
    00004  * Copyright (C) 2002   Uwe Rathmann
    00005  *
    00006  * This library is free software; you can redistribute it and/or
    00007  * modify it under the terms of the Qwt License, Version 1.0
    00008  *****************************************************************************/
    00009
    00010 #ifndef QWT_ANALOG_CLOCK_H
    00011 #define QWT_ANALOG_CLOCK_H
    00012
    00013 #include "qwt_global.h"
    00014 #include "qwt_dial.h"
    00015 #include "qwt_dial_needle.h"
    00016 #include <qdatetime.h>
    00017
    00045 class QWT_EXPORT QwtAnalogClock: public QwtDial
    00046 {
    00047     Q_OBJECT
    00048
    00049 public:
    00054     enum Hand
    00055     {
    00057         SecondHand,
    00058
    00060         MinuteHand,
    00061
    00063         HourHand,
    00064
    00066         NHands
    00067     };
    00068
    00069     explicit QwtAnalogClock( QWidget* parent = NULL );
    00070     virtual ~QwtAnalogClock();
    00071
    00072     virtual void setHand( Hand, QwtDialNeedle * );
    00073     const QwtDialNeedle *hand( Hand ) const;
    00074     QwtDialNeedle *hand( Hand );
    00075
    00076 public Q_SLOTS:
    00077     void setCurrentTime();
    00078     void setTime( const QTime & = QTime::currentTime() );
    00079
    00080 protected:
    00081     virtual QwtText scaleLabel( double ) const;
    00082
    00083     virtual void drawNeedle( QPainter *, const QPointF &,
    00084         double radius, double direction, QPalette::ColorGroup ) const;
    00085
    00086     virtual void drawHand( QPainter *, Hand, const QPointF &,
    00087         double radius, double direction, QPalette::ColorGroup ) const;
    00088
    00089 private:
    00090     virtual void setNeedle( QwtDialNeedle * );
    00091     void initClock();
    00092
    00093     QwtDialNeedle *d_hand[NHands];
    00094 };
    00095
    00096 #endif