Merge branch 'master' of http://scm.trinitydesktop.org/scm/git/qt3
Darrell Anderson
12 years ago
commit
35202ed0d8
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/****************************************************************
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**
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** Qt threading tutorial
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** (c) 2012 Timothy Pearson <kb9vqf@pearsoncomputing.net>
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**
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** This tutorial is released into the Public Domain and
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** can therefore be modified and/or used for any purpose
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**
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****************************************************************/
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#include "main.h"
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#include <unistd.h>
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#include <qtimer.h>
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#include <qeventloop.h>
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void WorkerObject::run()
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{
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qDebug( "[%s] thread: %p event loop: %p", threadFriendlyName.ascii(), QThread::currentThreadObject(), QApplication::eventLoop() );
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QEventLoop* eventLoop = QApplication::eventLoop();
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if (!eventLoop) return;
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QTimer *t = new QTimer(this);
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connect( t, SIGNAL(timeout()), SLOT(timerHandler()) );
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t->start( 1000, FALSE );
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for( int count = 0; count < 5; count++ ) {
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sleep( 1 );
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qDebug( "[%s] Ping!", threadFriendlyName.ascii() );
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displayMessage("Hi", "There!");
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eventLoop->processEvents(QEventLoop::AllEvents);
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}
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eventLoop->exit(0);
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}
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void WorkerObject::timerHandler()
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{
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qDebug( "[%s] Timer fired!", threadFriendlyName.ascii() );
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}
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void MainObject::emitMessage(QString str1, QString str2)
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{
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qDebug( "%s", ("[MainObject] emitMessage: " + str1 + " " + str2).ascii() );
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}
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void MainObject::buttonClicked()
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{
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qDebug( "[MainObject] Button clicked!" );
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QEventLoop* eventLoop = QApplication::eventLoop();
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if (!eventLoop) return;
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eventLoop->exit(0);
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}
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#define SET_UP_WORKER(x, y, z) \
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WorkerObject x; \
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x.threadFriendlyName = y; \
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x.moveToThread(&z); \
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QObject::connect(&x, SIGNAL(displayMessage(QString,QString)), &mainobject, SLOT(emitMessage(QString,QString))); \
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QTimer::singleShot(0, &x, SLOT(run()));
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int main( int argc, char **argv )
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{
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QApplication a( argc, argv );
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qDebug( "[MainObject] thread: %p event loop: %p", QThread::currentThreadObject(), QApplication::eventLoop() );
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QPushButton hello( "Exit", 0 );
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hello.resize( 100, 30 );
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MainObject mainobject;
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QEventLoopThread workerthread0;
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QEventLoopThread workerthread1;
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QEventLoopThread workerthread2;
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QEventLoopThread workerthread3;
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QEventLoopThread workerthread4;
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QEventLoopThread workerthread5;
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QEventLoopThread workerthread6;
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QEventLoopThread workerthread7;
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QEventLoopThread workerthread8;
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QEventLoopThread workerthread9;
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QEventLoopThread workerthread10;
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QEventLoopThread workerthread11;
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QEventLoopThread workerthread12;
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QEventLoopThread workerthread13;
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QEventLoopThread workerthread14;
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QEventLoopThread workerthread15;
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QEventLoopThread workerthread16;
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QEventLoopThread workerthread17;
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QEventLoopThread workerthread18;
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QEventLoopThread workerthread19;
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SET_UP_WORKER(workerobject0, "WorkerObject0", workerthread0)
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SET_UP_WORKER(workerobject1, "WorkerObject1", workerthread1)
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SET_UP_WORKER(workerobject2, "WorkerObject2", workerthread2)
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SET_UP_WORKER(workerobject3, "WorkerObject3", workerthread3)
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SET_UP_WORKER(workerobject4, "WorkerObject4", workerthread4)
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SET_UP_WORKER(workerobject5, "WorkerObject5", workerthread5)
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SET_UP_WORKER(workerobject6, "WorkerObject6", workerthread6)
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SET_UP_WORKER(workerobject7, "WorkerObject7", workerthread7)
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SET_UP_WORKER(workerobject8, "WorkerObject8", workerthread8)
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SET_UP_WORKER(workerobject9, "WorkerObject9", workerthread9)
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SET_UP_WORKER(workerobject10, "WorkerObjec10", workerthread10)
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SET_UP_WORKER(workerobject11, "WorkerObjec11", workerthread11)
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SET_UP_WORKER(workerobject12, "WorkerObjec12", workerthread12)
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SET_UP_WORKER(workerobject13, "WorkerObjec13", workerthread13)
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SET_UP_WORKER(workerobject14, "WorkerObjec14", workerthread14)
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SET_UP_WORKER(workerobject15, "WorkerObjec15", workerthread15)
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SET_UP_WORKER(workerobject16, "WorkerObjec16", workerthread16)
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SET_UP_WORKER(workerobject17, "WorkerObjec17", workerthread17)
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SET_UP_WORKER(workerobject18, "WorkerObjec18", workerthread18)
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SET_UP_WORKER(workerobject19, "WorkerObjec19", workerthread19)
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workerthread0.start();
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workerthread1.start();
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workerthread2.start();
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workerthread3.start();
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workerthread4.start();
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workerthread5.start();
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workerthread6.start();
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workerthread7.start();
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workerthread8.start();
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workerthread9.start();
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workerthread10.start();
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workerthread11.start();
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workerthread12.start();
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workerthread13.start();
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workerthread14.start();
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workerthread15.start();
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workerthread16.start();
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workerthread17.start();
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workerthread18.start();
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workerthread19.start();
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a.setMainWidget( &hello );
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QObject::connect(&hello, SIGNAL(clicked()), &mainobject, SLOT(buttonClicked()));
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hello.show();
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a.exec();
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hello.hide();
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qDebug( "[MainObject] Waiting for thread completion..." );
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workerthread0.wait();
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workerthread1.wait();
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workerthread2.wait();
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workerthread3.wait();
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workerthread4.wait();
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workerthread5.wait();
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workerthread6.wait();
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workerthread7.wait();
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workerthread8.wait();
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workerthread9.wait();
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workerthread10.wait();
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workerthread11.wait();
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workerthread12.wait();
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workerthread13.wait();
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workerthread14.wait();
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workerthread15.wait();
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workerthread16.wait();
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workerthread17.wait();
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workerthread18.wait();
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workerthread19.wait();
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qDebug( "[MainObject] Finished!" );
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}
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@ -0,0 +1,45 @@
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/****************************************************************
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**
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** Qt threading tutorial
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** (c) 2012 Timothy Pearson <kb9vqf@pearsoncomputing.net>
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**
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** This tutorial is released into the Public Domain and
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** can therefore be modified and/or used for any purpose
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**
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****************************************************************/
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#ifndef _MAIN_H_
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#define _MAIN_H_
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#include <qapplication.h>
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#include <qobject.h>
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#include <qpushbutton.h>
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#include <qthread.h>
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class MainObject;
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class WorkerObject : public QObject
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{
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Q_OBJECT
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public slots:
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void run();
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void timerHandler();
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signals:
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void displayMessage(QString, QString);
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public:
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QString threadFriendlyName;
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};
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class MainObject : public QObject
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{
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Q_OBJECT
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public slots:
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void emitMessage(QString, QString);
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void buttonClicked();
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};
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#endif // _MAIN_H_
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@ -0,0 +1,5 @@
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TEMPLATE = app
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CONFIG += qt warn_on release
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HEADERS = main.h
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SOURCES = main.cpp
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TARGET = t15
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@ -1,2 +1,2 @@
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TEMPLATE = subdirs
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SUBDIRS = t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t13 t14
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SUBDIRS = t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t13 t14 t15
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