Long live Qt 4.5!

1 files changed, 122 insertions, 0 deletions

diff --git a/examples/designer/worldtimeclockplugin/worldtimeclock.cpp b/examples/designer/worldtimeclockplugin/worldtimeclock.cpp
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+++ b/examples/designer/worldtimeclockplugin/worldtimeclock.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 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 the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "worldtimeclock.h"
+
+WorldTimeClock::WorldTimeClock(QWidget *parent)
+    : QWidget(parent)
+{
+    timeZoneOffset = 0;
+
+    QTimer *timer = new QTimer(this);
+    connect(timer, SIGNAL(timeout()), this, SLOT(update()));
+    timer->start(1000);
+
+    setWindowTitle(tr("World Time Clock"));
+    resize(200, 200);
+}
+
+void WorldTimeClock::paintEvent(QPaintEvent *)
+{
+    static const QPoint hourHand[3] = {
+        QPoint(7, 8),
+        QPoint(-7, 8),
+        QPoint(0, -40)
+    };
+    static const QPoint minuteHand[3] = {
+        QPoint(7, 8),
+        QPoint(-7, 8),
+        QPoint(0, -70)
+    };
+
+    QColor hourColor(127, 0, 127);
+    QColor minuteColor(0, 127, 127, 191);
+
+    int side = qMin(width(), height());
+    QTime time = QTime::currentTime();
+    time = time.addSecs(timeZoneOffset);
+
+    QPainter painter(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, 3);
+    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, 3);
+    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);
+    }
+
+    emit updated(time);
+}
+
+void WorldTimeClock::setTimeZone(int hourOffset)
+{
+    timeZoneOffset = qMin(qMax(-12, hourOffset), 12) * 3600;
+    update();
+}