[Qt-interest] multiple inheritance problem

[Donal O'Connor]

I think you can use the virtual keyword to resolve this problem but multiple
inheritence should be avoided if possible.



On Thu, Jul 2, 2009 at 2:41 PM, "Alexander Carôt"
<alexander_carot at gmx.net>wrote:

> Hi all,
>
> I have a "standard" problem but don't know how to solve it:
>
> I have a class, which has to inherit from QWidget and QThread:
>
> class circularbuffer : public QWidget, public QThread{
>  Q_OBJECT
>  .....
> }
>
> In the constructor I need to call this:
>
> QObject::connect(bufferslide,SIGNAL( valueChanged( int ) ), this, SLOT(
> dataSetSlot() ) );
>
> This generated the following error due to multiple inheritance:
>
> error: ‘QObject’ is an ambiguous base of ‘circularbuffer’
>
>
> What should I change/modify in order to prevent this problem ?
>
> Thanks a lot in advance
>
> -- A l e x
>
>
>
>
>
>
>
>
>
>  Furthermore, it has to
>
>
> circularbuffer.cpp:36: error: ‘QObject’ is an ambiguous base of
> ‘circularbuffer’
>
> --
> Dipl.-Ing. Alexander Carôt
> PhD Candidate
> Email : Alexander at Carot.de
> Tel.: +49 (0)177 5719797
>
>
>
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