diff examples/widgets/analogclock/AnalogClock.d @ 1:e78566595089

initial import
author mandel
date Mon, 11 May 2009 16:01:50 +0000
parents
children 0a29ce1ae854
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+++ b/examples/widgets/analogclock/AnalogClock.d	Mon May 11 16:01:50 2009 +0000
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+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the example classes of the Qt Toolkit.
+**
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License versions 2.0 or 3.0 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.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
+** exception, Nokia gives you certain additional rights. These rights
+** are described in the Nokia Qt GPL Exception version 1.3, included in
+** the file GPL_EXCEPTION.txt in this package.
+**
+** Qt for Windows(R) Licensees
+** As a special exception, Nokia, as the sole copyright holder for Qt
+** Designer, grants users of the Qt/Eclipse Integration plug-in the
+** right for the Qt/Eclipse Integration to link to functionality
+** provided by Qt Designer and its related libraries.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+**
+****************************************************************************/
+
+module AnalogClock;
+
+import qt.core.QPoint;
+import qt.core.QTime;
+import qt.core.QTimer;
+
+import qt.gui.QWidget;
+import qt.gui.QPolygon;
+import qt.gui.QColor;
+import qt.gui.QPaintEvent;
+import qt.gui.QPainter;
+
+import tango.io.Stdout;
+
+class AnalogClock : public QWidget
+{
+public:
+    this(QWidget parent = null)
+    {
+        super(parent);
+        auto timer = new QTimer(this);
+        timer.timeout.connect(&this.update);
+        timer.start(1000);
+        setWindowTitle("Analog Clock");
+        resize(200, 200);
+    }
+
+    void paintEvent(QPaintEvent event)
+    {
+        static const QPoint[3] hourHand = [
+            QPoint(7, 8),
+            QPoint(-7, 8),
+            QPoint(0, -40)
+        ];
+        static const QPoint[3] minuteHand = [
+            QPoint(7, 8),
+            QPoint(-7, 8),
+            QPoint(0, -70)
+        ];
+
+        scope hourColor = new QColor(127, 0, 127);
+        scope minuteColor = new QColor(0, 127, 127, 191);
+
+        int side = qMin(width(), height());
+        QTime time = QTime.currentTime();
+
+        // !! it is important that QPainter object should be scoped
+        // !! in order to be destroyed after painting
+        scope painter = new QPainter(this);
+
+        painter.setRenderHint(QPainter.Antialiasing);
+        painter.translate(width() / 2, height() / 2);
+        painter.scale(side / 200.0, side / 200.0);
+
+        painter.setPen(Qt.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(Qt.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);
+        }
+    }
+}
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