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33fc476d89
* require qwt >=6.2 (and fallback to internal 6.3 if system's qwt doesn't suffice) * debian doesn't have qwt for Qt6 and won't have it for trixie
94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
/******************************************************************************
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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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class QwtDialNeedle;
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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&, double radius,
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double direction, QPalette::ColorGroup ) const QWT_OVERRIDE;
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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* m_hand[NHands];
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};
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#endif
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