There was a similar issue with QtMultimedia and video windows.
With QWidget, you can get a native WinId and use that to create the child 
windows.
With QGraphicsItem, only the top level QGraphicsView has a WinId, not the 
individual items which are always non native.
(sorry I don't have more details, but it should be possible to find out how 
that was solved by looking at the sources and commit logs)

I'd suspect the plugin is calling functions which are stubbed or return 
incorrect values for the QGraphicsWebView implementation.
--

From: [email protected] 
[mailto:[email protected]] On 
Behalf Of Mülner, Helmut
Sent: 14 May 2012 10:53
To: [email protected]
Subject: [Development] unity3d plugin in QML webview

The unity3d plugin (e.g.  
http://download.unity3d.com/gallery/live-demos/players/island.unity3d ) works 
with QWebView but not in QGraphicsWebView or in a QML WebView. The plugin uses 
three stacked windows on top of the web page and I suspect that something in 
the QGraphicsView prevents the creation of those windows. I have reported this 
in the Qt bug tracker 
(https://bugreports.qt-project.org/browse/QTBUG-25705).<https://bugreports.qt-project.org/browse/QTBUG-25705%29.>

Does anybody know what could cause this?

--
Helmut Mülner
DIGITAL - Institute of Information and Communication Technologies

JOANNEUM RESEARCH Forschungsgesellschaft mbH
Steyrergasse 17, 8010 Graz, AUSTRIA

phone:  +43-316-876-2612
general fax: +43-316-876-1191
web:    http://www.joanneum.at/digital
e-mail: helmut.mü[email protected]<mailto:helmut.mü[email protected]>


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