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Viewing changes to examples/designer/customwidgetplugin/analogclock.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Adam Conrad
  • Date: 2005-08-24 04:09:09 UTC
  • Revision ID: james.westby@ubuntu.com-20050824040909-xmxe9jfr4a0w5671
Tags: upstream-4.0.0
Import upstream version 4.0.0

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examples/designer/customwidgetplugin/analogclock.cpp
 
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#include <QtGui>
 
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#include "analogclock.h"
 
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AnalogClock::AnalogClock(QWidget *parent)
 
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    : QWidget(parent)
 
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{
 
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    QTimer *timer = new QTimer(this);
 
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    connect(timer, SIGNAL(timeout()), this, SLOT(update()));
 
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    timer->start(1000);
 
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    setWindowTitle(tr("Analog Clock"));
 
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    resize(200, 200);
 
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}
 
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void AnalogClock::paintEvent(QPaintEvent *)
 
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{
 
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    static const int hourHand[6] = { 7, 8, -7, 8, 0, -40 };
 
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    static const int minuteHand[6] = { 7, 8, -7, 8, 0, -70 };
 
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    QColor hourColor(127, 0, 127);
 
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    QColor minuteColor(0, 127, 127, 191);
 
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    int side = qMin(width(), height());
 
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    QTime time = QTime::currentTime();
 
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    QPainter painter(this);
 
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    painter.setRenderHint(QPainter::Antialiasing);
 
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    painter.translate(width() / 2, height() / 2);
 
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    painter.scale(side / 200.0, side / 200.0);
 
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    painter.setPen(Qt::NoPen);
 
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    painter.setBrush(hourColor);
 
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    painter.save();
 
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    painter.rotate(30.0 * ((time.hour() + time.minute() / 60.0)));
 
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    painter.drawConvexPolygon(QPolygon(3, hourHand));
 
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    painter.restore();
 
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    painter.setPen(hourColor);
 
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    for (int i = 0; i < 12; ++i) {
 
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        painter.drawLine(88, 0, 96, 0);
 
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        painter.rotate(30.0);
 
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    }
 
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    painter.setPen(Qt::NoPen);
 
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    painter.setBrush(minuteColor);
 
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    painter.save();
 
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    painter.rotate(6.0 * (time.minute() + time.second() / 60.0));
 
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    painter.drawConvexPolygon(QPolygon(3, minuteHand));
 
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    painter.restore();
 
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    painter.setPen(minuteColor);
 
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    for (int j = 0; j < 60; ++j) {
 
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        if ((j % 5) != 0)
 
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            painter.drawLine(92, 0, 96, 0);
 
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        painter.rotate(6.0);
 
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    }
 
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}