diff options
Diffstat (limited to 'examples/widgets/tutorials/threads/movedobject/thread.cpp')
-rw-r--r-- | examples/widgets/tutorials/threads/movedobject/thread.cpp | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/examples/widgets/tutorials/threads/movedobject/thread.cpp b/examples/widgets/tutorials/threads/movedobject/thread.cpp deleted file mode 100644 index 2b6c2ffbd6..0000000000 --- a/examples/widgets/tutorials/threads/movedobject/thread.cpp +++ /dev/null @@ -1,100 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** 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 Digia Plc 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 "thread.h" - -/* - * QThread derived class with additional capability to move a QObject to the - * new thread, to stop the thread and move the QObject back to the thread where - *it came from. - */ - -Thread::Thread( QObject *parent) - : QThread (parent) -{ - //we need a class that receives signals from other threads and emits a signal in response - shutDownHelper=new QSignalMapper; - shutDownHelper->setMapping(this,0); - connect(this, SIGNAL(started()), this, SLOT(setReadyStatus() ), Qt::DirectConnection); - connect(this, SIGNAL(aboutToStop()), shutDownHelper, SLOT(map()) ); -} - -//------------------------------------------------------ -Thread::~Thread() -{ - delete shutDownHelper; -} - -//------------------------------------------------------ -// starts thread, moves worker to this thread and blocks -void Thread::launchWorker(QObject *worker) -{ - this->worker = worker; - start(); - worker->moveToThread(this); - shutDownHelper->moveToThread(this); - connect(shutDownHelper, SIGNAL(mapped(int) ), this, SLOT(stopExecutor()), Qt::DirectConnection ); - mutex.lock(); - waitCondition.wait(&mutex); -} - -//------------------------------------------------------ -// puts a command to stop processing in the event queue of worker thread -void Thread::stop() -{ - emit aboutToStop(); -} - -//------------------------------------------------------ - -// methods above this line should be called in gui thread context -// methods below this line are private and will be run in secondary thread context - -//------------------------------------------------------ -void Thread::stopExecutor() //secondary thread context -{ - exit(); -} - -//------------------------------------------------------ -void Thread::setReadyStatus() -{ - waitCondition.wakeAll(); -} |