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# Code for Shaped Clock Example

    /****************************************************************************
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     **  (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:
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    ** review the following information:
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     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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    package com.trolltech.examples;

    import com.trolltech.qt.core.*;
    import com.trolltech.qt.core.Qt.MouseButton;
    import com.trolltech.qt.core.Qt.WindowFlags;
    import com.trolltech.qt.gui.*;

    @QtJambiExample(name = "Shaped Clock")
    public class ShapedClock extends QWidget {

        public static void main(String args[]) {
            QApplication.initialize(args);
            ShapedClock shapedClock = new ShapedClock(null);
            shapedClock.show();
            QApplication.exec();
        }

        private QPoint dragPosition = new QPoint();
        private static QPolygon hourHand;
        private static QPolygon minuteHand;

        public ShapedClock(QWidget parent) {
            super(parent, new WindowFlags(Qt.WindowType.FramelessWindowHint));
            QTimer timer = new QTimer(this);
            timer.timeout.connect(this, "update()");
            timer.start(1000);

            hourHand = new QPolygon();
            hourHand.append(new QPoint(7, 8));
            hourHand.append(new QPoint(-7, 8));
            hourHand.append(new QPoint(0, -40));

            minuteHand = new QPolygon();
            minuteHand.append(new QPoint(7, 8));
            minuteHand.append(new QPoint(-7, 8));
            minuteHand.append(new QPoint(0, -70));

            setWindowTitle(tr("Shaped Analog Clock"));

            setContextMenuPolicy(Qt.ContextMenuPolicy.ActionsContextMenu);
            QAction quitAction = new QAction(tr("E&xit"), this);
            quitAction.setShortcut("Ctrl+Q");
            quitAction.triggered.connect(this, "close()");
            addAction(quitAction);

            setToolTip(tr("Drag the clock with the left mouse button.\n" +
                          "Use the right mouse button to open a context menu."));
        }

        @Override
        public void mousePressEvent(QMouseEvent event) {
            if (event.button() == MouseButton.LeftButton) {
                QPoint topLeft = frameGeometry().topLeft();
                dragPosition.setX(event.globalPos().x() - topLeft.x());
                dragPosition.setY(event.globalPos().y() - topLeft.y());
                event.accept();
            }
        }

        @Override
        public void mouseMoveEvent(QMouseEvent event) {
            if (event.buttons().isSet(MouseButton.LeftButton)) {
                move(new QPoint(event.globalPos().x() - dragPosition.x(),
                                event.globalPos().y() - dragPosition.y()));
                event.accept();
            }
        }

        @Override
        public void paintEvent(QPaintEvent event) {

            QColor hourColor = new QColor(127, 0, 127);
            QColor minuteColor = new QColor(0, 127, 127, 191);

            int side = Math.min(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 / 200.0, side / 200.0);

            painter.setPen(QPen.NoPen);
            painter.setBrush(hourColor);

            painter.save();
            painter.rotate(30.0 * ((time.hour() + time.minute() / 60.0)));
            painter.drawConvexPolygon(hourHand);
            painter.restore();

            painter.setPen(hourColor);

            for (int i = 0; i < 12; ++i) {
                painter.drawLine(88, 0, 96, 0);
                painter.rotate(30.0);
            }

            painter.setPen(QPen.NoPen);
            painter.setBrush(minuteColor);

            painter.save();
            painter.rotate(6.0 * (time.minute() + time.second() / 60.0));
            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(6.0);
            }
        }

        @Override
        public void resizeEvent(QResizeEvent event) {
            int side = Math.min(width(), height());
            QRegion maskedRegion;
            maskedRegion = new QRegion((width() - side) / 2, (height() - side) / 2,
                                        side, side, QRegion.RegionType.Ellipse);
            setMask(maskedRegion);
        }

        @Override
        public QSize sizeHint() {
            return new QSize(100, 100);
        }
    }