Windows previews in qml plasmoid?

Martin Graesslin mgraesslin at kde.org
Mon Jul 2 13:26:19 UTC 2012


On Monday 02 July 2012 12:07:08 Michail Vourlakos wrote:
> During  the day I will upload a video showing the plasmoid in its
> current development status
> with window previews in the dashboard. If you want I can also upload a
> second video
> showing the use case you are describing for a proof of concept case. I
> dont know why
> I havent noticed any serious concerning issues maybe it's my spesific
> hardware...
I watched the video and I'm not sure whether you have the actual filter 
activated - it's too fluent.

Do not animate the window preview. It is not supported by KWin. If we need to 
animate it we actually change properties inside KWin to have it with good 
performance. If you go through the taskbar thumbnails effect KWin cannot know 
that you actually animate the thumbnail - we have no way to specify that 
through the API. Animating just the position is fine, but changing the size is 
the problem.

If you want to see that use the Present Windows effect and set the animation 
speed to very slow to notice it. During the animations the windows look 
"different" compared to after the animations stopped.

Cheers
Martin


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