[prev in list] [next in list] [prev in thread] [next in thread] 

List:       kde-core-devel
Subject:    Re: Attention when porting to cuteIDL
From:       David Faure <faure () kde ! org>
Date:       1999-09-24 7:02:25
[Download RAW message or body]

On Fri, Sep 24, 1999 at 01:44:23AM -0500, Lotzi Boloni wrote:
> 
>   Hi guys
> 
>   There is a potential to a very hard to debug bug when porting your
> application to cuteIDL. 
> 
>   in your view file, you have to change the signiture to:
> 
>   virtual bool event( const QCString& _event, const CORBA::Any& _value );
> 
>   The problem is that the old one, with char* instead of QCString&
> compiles without problems, only that it is not called (actually the
> parent's function is called). This way I ended up with the standard file
> menu and toolbar, instead of the customized one. 
> 
>   I guess that problems like this can happen everywhere where a class
> generated from IDL is overwritten, and as the problem is not detectable
> at compile time and even at runtime may be sort of hidden, extra care is
> needed. 

Yes, this is exactly right - too bad C++ doesn't have a way to 'force'
the child's method to be the same as the parent's method. Checking those
is indeed what needs to be done now.

-- 
David FAURE
david@mandrakesoft.com, faure@kde.org
http://www.insa-lyon.fr/People/AEDI/dfaure/index.html 
KDE, Making The Future of Computing Available Today

[prev in list] [next in list] [prev in thread] [next in thread]