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94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
3 weeks ago
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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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* Qwt Widget Library
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* Copyright (C) 1997 Josef Wilgen
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* Copyright (C) 2002 Uwe Rathmann
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the Qwt License, Version 1.0
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*****************************************************************************/
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#ifndef QWT_ANALOG_CLOCK_H
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#define QWT_ANALOG_CLOCK_H
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#include "qwt_global.h"
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#include "qwt_dial.h"
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#include "qwt_dial_needle.h"
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#include <qdatetime.h>
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/*!
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\brief An analog clock
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\image html analogclock.png
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\par Example
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\code
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#include <qwt_analog_clock.h>
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QwtAnalogClock *clock = new QwtAnalogClock(...);
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clock->scaleDraw()->setPenWidth(3);
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clock->setLineWidth(6);
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clock->setFrameShadow(QwtDial::Sunken);
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clock->setTime();
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// update the clock every second
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QTimer *timer = new QTimer(clock);
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timer->connect(timer, SIGNAL(timeout()), clock, SLOT(setCurrentTime()));
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timer->start(1000);
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\endcode
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\note The examples/dials example shows how to use QwtAnalogClock.
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*/
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class QWT_EXPORT QwtAnalogClock: public QwtDial
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{
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Q_OBJECT
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public:
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/*!
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Hand type
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\sa setHand(), hand()
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*/
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enum Hand
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{
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//! Needle displaying the seconds
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SecondHand,
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//! Needle displaying the minutes
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MinuteHand,
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//! Needle displaying the hours
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HourHand,
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//! Number of needles
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NHands
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};
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explicit QwtAnalogClock( QWidget* parent = NULL );
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virtual ~QwtAnalogClock();
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void setHand( Hand, QwtDialNeedle * );
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const QwtDialNeedle *hand( Hand ) const;
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QwtDialNeedle *hand( Hand );
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public Q_SLOTS:
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void setCurrentTime();
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void setTime( const QTime & );
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protected:
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virtual void drawNeedle( QPainter *, const QPointF &,
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double radius, double direction, QPalette::ColorGroup ) const;
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virtual void drawHand( QPainter *, Hand, const QPointF &,
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double radius, double direction, QPalette::ColorGroup ) const;
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private:
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// use setHand instead
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void setNeedle( QwtDialNeedle * );
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QwtDialNeedle *d_hand[NHands];
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};
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#endif
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