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This is an automatically generated e-mail. To reply, visit:
https://git.reviewboard.kde.org/r/126475/
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Review request for Plasma, David Edmundson and Martin Gräßlin.
Bugs: 356938
http://bugs.kde.org/show_bug.cgi?id=356938
Repository: plasma-framework
Description
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PlasmaCore.WindowThumbnail acts as a mini-compositor and redirects windows to
paint a thumbnail of them. Hovering a Task Manager button delegate will down
the line instanciate some WindowThumbnails for the tooltip, and these stick
around when the tooltip is hidden. This causes windows to keep being
redirected, e.g. severely breaking game performance after hovering them in the
Task Manager (see associated bug).
I initially tried just wiping the thumbnail delegates on the Task Manager side
when the tooltip goes hidden, but this breaks UX performance when moving across
tasks in the applet because the tooltip delegate's visibility prop cycles
between true and false from one ToolTipArea to the next. I'll still be tweaking
the Task Manager code to at the very least do this when tooltips are disabled
to avoid even instanciating, but in the meantime, making WindowThumbnail more
idiot-proof strikes me as a good idea regardless.
Diffs
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src/declarativeimports/core/windowthumbnail.cpp 5fc5c5e
Diff: https://git.reviewboard.kde.org/r/126475/diff/
Testing
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Thanks,
Eike Hein
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