Using QWebPage in a QThread (QtWebKit)

[Knuckles]

Hi Folks,
i try to use QWebPage in a QThread, but this ever ends with:

QObject: Cannot create children for a parent that is in a different thread.

QObject: Cannot create children for a parent that is in a different thread.

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can anyone tell me whats wrong with this code:

void WebKitThread::run(){
   QWebPage p; 
   exec(); 
}

void WebKitThread::run(){
   QWebPage p; 
   exec(); 
}

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?

WebKitThread is normally derived from QThread.
Run the programm with

QT_FATAL_WARNINGS=1

QT_FATAL_WARNINGS=1

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does not show more helpful messages. With every other QXxx class it is working! For example QDomDocument or QSqlDatabase.
QWebPage should be a normal QObject, so i cant see any reason why this should nod word!

I know that QWidgets cannot be used anywhere else than in the main GUI thread. Is it possible, that QWebPage has some references to QWidget i dont know from?