Russian Qt Forum

C++ (Qt)
void ClassName::doWork()
{
...
    if (!accessManager) {
        accessManager = new QNetworkAccessManager;
        connect(accessManager, SIGNAL(finished(QNetworkReply*)), SLOT(onManagerReply(QNetworkReply*)));
    }
...
    accessManager->get(...);
}
 

C++ (Qt)
        ClassName *worker = new ClassName;
        QThread *workerThread = new QThread(this);
        //object params
...
        //signals/slots
        connect(worker, SIGNAL(workFinished()), workerThread, SLOT(quit()));
...
        //thread signals/slots
        connect(workerThread, SIGNAL(started()), worker, SLOT(doWork()));
        connect(workerThread, SIGNAL(finished()), SLOT(onWorkerThreadFinished()));
 
        //moving object to thread
        worker->moveToThread(workerThread);
        workerThread->start();
 

QObject: Cannot create children for a parent that is in a different thread.
(Parent is QNetworkAccessManager(0x125edf20), parent's thread is QThread(0x16acca68), current thread is QThread(0x125adce8)

C++ (Qt)
void ClassName::doWork()
{
...
        accessManager = new QNetworkAccessManager( this );
}
 

C++ (Qt)
connect(worker, SIGNAL(userScanned(...)), SLOT(onWorkerUserScanned(...)));
 

C++ (Qt)
void SearchWidget::onWorkerUserScanned(...)
{
    ClassName *w = qobject_cast<ClassName *>(sender());
    if (!w)
        return;
...
    if (...) {
        w->setSomething(...);
        w->doWork();
    } else {
        ...
        w->stopWork();
    }
}