Qt4 & enter/exit modal functions

Reinhold Kainhofer reinhold at kainhofer.com
Mon May 23 13:52:35 BST 2005

Matthias Ettrich wrote:
> Hamish, if you drop the idea of faking a modal widget and simply do
>     QEventLoop eventLoop;
>     connect(this, SIGNAL(leaveModality()), &eventLoop, SLOT(quit()));
>     eventLoop.exec(QEventLoop::ExcludeUserInputEvents);
> you should get exactly want you want. Emit the leaveModality() signal when
> you are done, and the temporary event loop will terminate.

I presume this doesn't work in Qt 3.x, does it? 
We have this nasty hidden-widget hack also in kdepim/kresources (copied from 
kdelibs/kio/kio/netaccess.cpp, where it is commented with "// If a troll sees 
this, he kills me" ;-) ), and of course I'd like to get rid of it.


Reinhold Kainhofer, Vienna University of Technology, Austria
email: reinhold at kainhofer.com, http://reinhold.kainhofer.com/
 * Financial and Actuarial Mathematics, TU Wien, http://www.fam.tuwien.ac.at/
 * K Desktop Environment, http://www.kde.org, KOrganizer / KPilot maintainer
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