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# Code for Analog Clock Example

    /****************************************************************************
    **
    ** Copyright (C) 1992-2008 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);
        }

        @Override
        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);
            }
        }

        @Override
        public QSize sizeHint() {
            return new QSize(200, 200);
        }

        @Override
        public void showEvent(QShowEvent e) {
            m_timer.start(1000);
        }

        @Override
        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();
        }
    }