Review Request 115859: Force-allow background contrast while sliding desktops

Sebastian Kügler sebas at
Tue Feb 18 12:54:10 UTC 2014

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(Updated Feb. 18, 2014, 12:54 p.m.)

Review request for kwin and Plasma.


Improved version:

- This also works for the first animation (the previous patch only set the property after the first time the animation runs)
- Also enables the background effect for the slidingpopups, leading to a less flickery appearance there
- Slower default animation time when disappearing -- in line with appearing default time

Repository: kde-workspace


Force-allow background contrast while sliding

When the sliding effect is active, the background blur of the panel
would be disabled unless forced with WindowForceBackgroundContrastRole,
which is actually what we want: during sliding, the backgroundcontrast
effect would otherwise be disabled, leading to the panel and popups
flickering between contrast enabled and disabled.

With this patch, the panel keeps its coloring during desktop changes.

Diffs (updated)

  kwin/effects/slide/slide.cpp 8ecb2a6 
  kwin/effects/slidingpopups/slidingpopups.cpp fd697f0 



Switched desktops, panel keeps color, fullscreen video player doesn't seem to be affected negatively, everything still works as expected, except that the flickering in Plasma Dialogs is gone.


Sebastian Kügler

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