Ou comment attendre la fin d’une méthode asynchrone.
Snippet
/** * Wait synchronously for a Qt signal (+ timeout management) * May be useful for test purpose * Not recommended for production usage */ // -- Configure the waiting // Signal to wait QEventLoop loop; QObject::connect(&anObject, SIGNAL(signalToWait()), &loop, SLOT(quit())); // Timeout to avoid infite waiting QTimer timer; timer.setInterval(10*1000); //10s timer.setSingleShot(true); QObject::connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit())); // -- Do stuff that should trigger the signal // ... // -- Start to wait // What is done after "loop.exec()" is not executed until "loop.quit()" is called timer.start(); loop.exec(); timer.stop(); // Just in case there is no timeout // -- Other stuff // ...
