I have a class that inherits QThread designed to use a QTcpSocket to receive data from some server:

Qt Code: 
  1. class ReceiveThread : public QThread
  2. {
  3. 	Q_OBJECT
  4.  
  5. public:
  6.     ReceiveThread( QHostAddress address, int port, QWidget * parent = 0 );
  7. 	virtual ~ReceiveThread();
  8.  
  9. protected:
  10.     void run();
  11.  
  12. private:
  13.     QAbstractSocket * _socket;
  14.     QHostAddress _address;
  15.     int _port;
  16.     QTimer * _connectionAttemptTimer;
  17. };
  18.  
  19. void ReceiveThread::run()
  20. {
  21.     _connectionAttemptTimer->start(); // problem 1
  22.     _socket->connectToHost( _address, _port ); // problem 2
  23.     exec();
  24. }
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I also have a QWidget in which I want to use this class:

Qt Code: 
  1. ConfigWidget::ConfigWidget( QWidget* parent ) : QWidget( parent ), _ui (new Ui_ConfigWidget())
  2. {
  3. 	_ui->setupUi( this );
  4.  
  5.     _receiveThread = new ReceiveThread( 
  6.         QHostAddress( "192.168.1.2" ), 9000 );
  7.  
  8.     connect( _ui->testConnectionPushButton, SIGNAL( clicked() ), 
  9.              this, SLOT( testConnectionPushButtonClicked() ) );
  10. }
  11.  
  12. void ConfigWidget::testConnectionPushButtonClicked()
  13. {
  14.     _receiveThread->start();
  15. }
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I basically get 2 errors when it executes the run() method of the QThread (marked above in the code):

QObject::startTimer: timers cannot be started from another thread
QObject: Cannot create children for a parent that is in a different thread.
(Parent is QTcpSocket(0x2255780), parent's thread is QThread(0x2160250), current thread is ReceiveThread(0x224fe90)

I kind of understand... but not really...