629d6eda5c
Replace Nokia contact email address with Qt Project website. Change-Id: I431bbbf76d7c27d8b502f87947675c116994c415 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
146 lines
4.1 KiB
C++
146 lines
4.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtWidgets>
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#include "analogclock.h"
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//! [0] //! [1]
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AnalogClock::AnalogClock(QWidget *parent)
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//! [0] //! [2]
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: QWidget(parent)
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//! [2] //! [3]
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{
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//! [3] //! [4]
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QTimer *timer = new QTimer(this);
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//! [4] //! [5]
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connect(timer, SIGNAL(timeout()), this, SLOT(update()));
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//! [5] //! [6]
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timer->start(1000);
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//! [6]
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setWindowTitle(tr("Analog Clock"));
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resize(200, 200);
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//! [7]
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}
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//! [1] //! [7]
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//! [8] //! [9]
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void AnalogClock::paintEvent(QPaintEvent *)
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//! [8] //! [10]
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{
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static const QPoint hourHand[3] = {
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QPoint(7, 8),
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QPoint(-7, 8),
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QPoint(0, -40)
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};
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static const QPoint minuteHand[3] = {
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QPoint(7, 8),
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QPoint(-7, 8),
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QPoint(0, -70)
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};
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QColor hourColor(127, 0, 127);
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QColor minuteColor(0, 127, 127, 191);
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int side = qMin(width(), height());
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QTime time = QTime::currentTime();
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//! [10]
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//! [11]
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QPainter painter(this);
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//! [11] //! [12]
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painter.setRenderHint(QPainter::Antialiasing);
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//! [12] //! [13]
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painter.translate(width() / 2, height() / 2);
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//! [13] //! [14]
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painter.scale(side / 200.0, side / 200.0);
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//! [9] //! [14]
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//! [15]
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painter.setPen(Qt::NoPen);
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//! [15] //! [16]
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painter.setBrush(hourColor);
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//! [16]
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//! [17] //! [18]
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painter.save();
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//! [17] //! [19]
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painter.rotate(30.0 * ((time.hour() + time.minute() / 60.0)));
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painter.drawConvexPolygon(hourHand, 3);
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painter.restore();
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//! [18] //! [19]
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//! [20]
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painter.setPen(hourColor);
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//! [20] //! [21]
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for (int i = 0; i < 12; ++i) {
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painter.drawLine(88, 0, 96, 0);
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painter.rotate(30.0);
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}
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//! [21]
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//! [22]
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painter.setPen(Qt::NoPen);
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//! [22] //! [23]
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painter.setBrush(minuteColor);
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//! [24]
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painter.save();
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painter.rotate(6.0 * (time.minute() + time.second() / 60.0));
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painter.drawConvexPolygon(minuteHand, 3);
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painter.restore();
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//! [23] //! [24]
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//! [25]
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painter.setPen(minuteColor);
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//! [25] //! [26]
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//! [27]
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for (int j = 0; j < 60; ++j) {
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if ((j % 5) != 0)
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painter.drawLine(92, 0, 96, 0);
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painter.rotate(6.0);
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}
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//! [27]
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}
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//! [26]
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