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List:       kde-devel
Subject:    Re: Some problems porting an app
From:       Waldo Bastian <bastian () kde ! org>
Date:       2003-03-31 8:11:52
[Download RAW message or body]

On Monday 31 March 2003 04:02, Alex wrote:
> I have this error:
>
> fsmview.cpp: In method `void FSMView::addTran()':
> fsmview.cpp:67: type `QTable' is not a base type for type `QWidget'
> make: *** [fsmview.o] Error 1
>
> And the source code, is just that:
>
> void FSMView::addTran()
> {
>         QTable *temp = statetabs->currentPage();
>         temp->setNumRows( temp->numRows() + 1);
> }
>
> "statetabs", is a QTabWidget.

statetabs->currentPage() returns QWidget *. You need to cast it explicitly to 
QTable *. For example:

QTable *temp = dynamic_cast<QTable *>(statetabs->currentPage());
if (temp)
   temp->setNumRows( temp->numRows() + 1);

Cheers,
Waldo
-- 
bastian@kde.org -=|[ SuSE, The Linux Desktop Experts ]|=- bastian@suse.com

 
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