[Qt-interest] Connect signal to slot with derived parameter

[Thiago Macieira]

On Thursday, 28 de October de 2010 11:14:18 Andras Toth wrote:
> Qt Documentation just says "The signature of a signal must match the
> signature  of the receiving slot." In my opinion, these signatures  should
> be matching, since directly  calling SomeObject::slot1() with a pointer to
> an instance of Derived is permitted.

Maybe it should, but the fact is that it doesn't.

The match should be exact: it must be the actual pointer type, not any derived 
or base class.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
  Senior Product Manager - Nokia, Qt Development Frameworks
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