Review Request 116787: Always create NETEventFilter (a QWidget subclass) in the main application thread

[Aaron J. Seigo]

> On March 17, 2014, 8:33 p.m., Thomas Lübking wrote:
> > src/kwindowsystem_x11.cpp, line 102
> > <https://git.reviewboard.kde.org/r/116787/diff/5/?file=254570#file254570line102>
> >
> >     Is this compensated anywhere?
> >     Is it actually an issue (since the constructor should operate in the GUI thread)?

I commented this out to see if it resulted in any difference in function with Qt5; I didn't notice any difference, but did mean to comment it back in as I did not do a full examination of the code behind the scenes. I've put this line back in here locally.


- Aaron J.


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On March 17, 2014, 9:09 a.m., Aaron J. Seigo wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/116787/
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> 
> (Updated March 17, 2014, 9:09 a.m.)
> 
> 
> Review request for KDE Frameworks, kwin and Martin Gräßlin.
> 
> 
> Repository: kwindowsystem
> 
> 
> Description
> -------
> 
> When using KWindowInfo from a thread other than the main application thread, the application fails on an assert triggered by creating a QWidget in another thread. This is due to NETEventFilter being a QWidget. This patch addresses the issue by using a QObject to create the NETEventFilter, which is itself first moved to the main application thread. 
> 
> 
> Diffs
> -----
> 
>   autotests/CMakeLists.txt 073b6dd 
>   autotests/kwindowsystem_threadtest.cpp PRE-CREATION 
>   src/kwindowsystem.cpp 4c17baa 
>   src/kwindowsystem_p_x11.h 75f3028 
>   src/kwindowsystem_x11.cpp 95c396b 
> 
> Diff: https://git.reviewboard.kde.org/r/116787/diff/
> 
> 
> Testing
> -------
> 
> Used in the Sprinter Windows plugin and works lovely to find desktops, windows, etc.
> 
> 
> Thanks,
> 
> Aaron J. Seigo
> 
>

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