https://bugs.kde.org/show_bug.cgi?id=382828
Bug ID: 382828
Summary: Plasma panel auto-hide effect doesn't work during the
first show / hide after re-enabling desktop
compositing
Product: plasmashell
Version: 5.10.4
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: minor
Priority: NOR
Component: Panel
Assignee: plasma-b...@kde.org
Reporter: sonichedgehog_hyperblas...@yahoo.com
Target Milestone: 1.0
If you have a panel with its visibility set to Auto Hide, the desktop effect
making the panel slide in and out of the screen edge will not work the first
time the panel is presented, after desktop effects have been disabled and
enabled on the run. Instead the panel will first appear and possibly disappear
instantly, then the gliding effect will start working again.
To test this: Make sure the panel is set to auto-hide. Whenever you place the
pointer over the screen edge, you should see it smoothly slide out of that
edge... once you take the pointer off of the panel, it should slowly pop back
in. Now press Alt + Shift + F12 twice to disable then re-enable desktop
compositing. Then bring your mouse pointer to the screen edge once more: This
time the panel will appear instantly, the sliding effect will not be present.
It's only after the panel is hidden again and you once more place the mouse
cursor over the edge to make it show, that the transition effect kicks back
into action and works as intended.
This is a minor visual glitch, but since it can be obvious I considered it
worth reporting. It has been present ever since the Plasma panel supported
smooth transitions for auto-hide via desktop effects. I assume it has to do
with the effect not being re-enabled immediately after desktop compositing is,
but instead after the panel is first shown after compositing is back on.
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