[Qt-interest] Linux core dump with Qt::WA_DeleteOnClose in QMainWindow class

[Stephen Collyer]

2009/5/5 Tim Dewhirst <tim at bugless.co.uk>

> Hello,
>
> Stephen Collyer wrote:
>
>> 2009/5/5 Tim Dewhirst <tim at bugless.co.uk <mailto:tim at bugless.co.uk>>
>>
>>    Hi,
>>
>>    How is the instance of MDPMainWindow allocated?
>>
>>    Tim
>>
>>
>> It's an automatic, in main:
>>
>> #include <QApplication>
>>
>> #include "mdp_main_win.h"
>>
>> int main(int argc, char*argv[])
>> {
>>    QApplication app(argc, argv);
>>
>>    MDPMainWindow main_win;
>>    main_win.show();
>>
>>    return app.exec();
>> }
>>
>
> I thought that might be the case... you don't want to try and free that.
> Possible solutions:
>
>  * dynamically allocate your main_win; or
>  * don't delete on close, just qApp->quit();
>

Right. The scales have just fallen from my eyes. When it says
"DeleteOnClose", it really *means* delete on close .. OK. I only put it in
to take account of my possibly needing multiple main windows at a later
stage anyway, so it can go for now.

Thanks.

-- 
Stephen Collyer
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