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List:       pykde
Subject:    Re: [PyQt] Possible bug with QtCore.QPropertyAnimation and QAxContainer.QAxWidget
From:       Phil Thompson <phil () riverbankcomputing ! com>
Date:       2012-06-20 14:48:37
Message-ID: 5dbaaa6e11f7e1d16a997ee96d13f0fb () localhost
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On Sun, 17 Jun 2012 20:56:48 +0300, Itay Brandes <akari.il@gmail.com>
wrote:
> There is a possible bug when trying to use *QAxContainer.QAxWidget*, *
> QtGui.QGraphicsOpacityEffect* and *QtCore.QPropertyAnimation* in the
same
> application.
> 
> This happens when trying to animate a widget's opacity (creating a "fade
> out" effect).
> The animation won't update correctly if a QAxWidget is present somewhere
in
> the same window.
> The bug can be seen here:
> http://itayb.hostzi.com/eventloop_doesnt_update.avi
> 
> A test case that causes the weird behavior is attached.
> 
> Thanks!

It's difficult to see how this is a PyQt bug - particularly as the
animation of the geometry works fine. A C++ version of your test would show
if it was a Qt problem or not.

Phil
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