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Diffstat (limited to 'examples/tutorials/threads/clock/clockthread.cpp')
| -rw-r--r-- | examples/tutorials/threads/clock/clockthread.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/examples/tutorials/threads/clock/clockthread.cpp b/examples/tutorials/threads/clock/clockthread.cpp new file mode 100644 index 0000000..01d3f1f --- /dev/null +++ b/examples/tutorials/threads/clock/clockthread.cpp @@ -0,0 +1,66 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#include "clockthread.h" + + //This class starts another thread where it emits a signal for every new second. + +//! [1] +// clock/clockthread.cpp +void ClockThread::run() +{ + QTimer timer; + connect(&timer, SIGNAL(timeout()), this, SLOT(timerHit()), Qt::DirectConnection); + timer.setInterval(10); + timer.start(); // puts one event in the threads event queue + exec(); + timer.stop(); +} + +void ClockThread::timerHit() +{ + QString newTime= QDateTime::currentDateTime().toString("ddd MMMM d yy, hh:mm:ss"); + if(m_lastTime != newTime ){ + m_lastTime = newTime; + emit sendTime(newTime) ; + } +} +//! [1] |