1 files changed, 101 insertions, 0 deletions
diff --git a/examples/tutorials/threads/movedobject/thread.cpp b/examples/tutorials/threads/movedobject/thread.cpp
new file mode 100644
index 0000000..6dfe8ff
--- /dev/null
+++ b/examples/tutorials/threads/movedobject/thread.cpp
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** 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 "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)
+{
+    worker = worker;
+    start();
+    int i=0;
+    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();
+}