/**************************************************************************** ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of Qt Jambi. ** ** ** This file may be used under the terms of the GNU General Public ** License version 2.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of ** this file. Please review the following information to ensure GNU ** General Public Licensing requirements will be met: ** http://www.trolltech.com/products/qt/opensource.html ** ** If you are unsure which license is appropriate for your use, please ** review the following information: ** http://www.trolltech.com/products/qt/licensing.html or contact the ** sales department at sales@trolltech.com. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/ package com.trolltech.examples; import com.trolltech.qt.core.*; import com.trolltech.qt.gui.*; @QtJambiExample(name = "Analog Clock") public class AnalogClock extends QWidget { static QPolygon hourHand = new QPolygon(); static QPolygon minuteHand = new QPolygon(); static { hourHand.append(new QPoint(7, 8)); hourHand.append(new QPoint(-7, 8)); hourHand.append(new QPoint(0, -40)); minuteHand.append(new QPoint(7, 8)); minuteHand.append(new QPoint(-7, 8)); minuteHand.append(new QPoint(0, -70)); } QTimer m_timer = new QTimer(this); public AnalogClock() { this(null); } public AnalogClock(QWidget parent) { super(parent); m_timer.timeout.connect(this, "update()"); setWindowTitle("Analog clock"); setWindowIcon(new QIcon("classpath:com/trolltech/images/qt-logo.png")); resize(200, 200); } protected void paintEvent(QPaintEvent e) { QColor hourColor = new QColor(127, 0, 127); QColor minuteColor = new QColor(0, 127, 127, 191); int side = width() < height() ? width() : height(); QTime time = QTime.currentTime(); QPainter painter = new QPainter(this); painter.setRenderHint(QPainter.RenderHint.Antialiasing); painter.translate(width() / 2, height() / 2); painter.scale(side / 200.0f, side / 200.0f); painter.setPen(QPen.NoPen); painter.setBrush(hourColor); painter.save(); painter.rotate(30.0f * ((time.hour() + time.minute() / 60.0f))); painter.drawConvexPolygon(hourHand); painter.restore(); painter.setPen(hourColor); for (int i=0; i<12; ++i) { painter.drawLine(88, 0, 96, 0); painter.rotate(30.0f); } painter.setPen(QPen.NoPen); painter.setBrush(minuteColor); painter.save(); painter.rotate(6.0f * (time.minute() + time.second() / 60.0f)); painter.drawConvexPolygon(minuteHand); painter.restore(); painter.setPen(minuteColor); for (int j=0; j<60; ++j) { if ((j % 5) != 0) painter.drawLine(92, 0, 96, 0); painter.rotate(6.0f); } } public QSize sizeHint() { return new QSize(200, 200); } public void showEvent(QShowEvent e) { m_timer.start(1000); } public void hideEvent(QHideEvent e) { m_timer.stop(); } static public void main(String args[]) { QApplication.initialize(args); AnalogClock w = new AnalogClock(); w.show(); QApplication.exec(); } }