[Qt-interest] Subclassing QTcpSocket

Thiago Macieira thiago at kde.org
Wed Apr 20 15:16:10 CEST 2011


On Wednesday, 20 de April de 2011 14:52:36 Sven Grunewaldt wrote:
> while (hasPendingConnections())
> {
>         QTcpSocket *socket = nextPendingConnection();
>         QTcpSocketEx *client = qobject_cast<QTcpSocketEx*>(socket);
> 
>         qDebug() << socket << client;
> }
> 
> Sadly this does not seem to work. The output is always
> QTcpSocket(0x22318e0) QObject(0x0)
> 
> What am I doing wrong?

You're never creating a QTcpSocketEx object. The object returned from 
nextPendingConnection is always a QTcpSocket.

You must override the virtual method in QTcpServer and create your 
QTcpSocketEx there.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
  Senior Product Manager - Nokia, Qt Development Frameworks
      PGP/GPG: 0x6EF45358; fingerprint:
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