https://bugs.kde.org/show_bug.cgi?id=471482
Bug ID: 471482
Summary: Auto-hiding panel unhides permanently when changing
screen resolution on Wayland
Classification: Plasma
Product: plasmashell
Version: 5.27.5
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Panel
Assignee: plasma-b...@kde.org
Reporter: bugs.7n...@aleeas.com
CC: niccolo.venera...@gmail.com
Target Milestone: 1.0
SUMMARY
On Wayland, auto-hiding panels unhide when changing the screen resolution. They
stay visible on the screen and won't hide again until the user interacts with
them (i.e. moves the mouse over them and away again).
STEPS TO REPRODUCE
1. Set up an auto-hiding panel (and wait for it to hide)
2. Change the screen resolution (or, if running a nested KWin session, resize
the inner KWin window)
OBSERVED RESULT
The panel unhides as if activated by moving the mouse cursor to the panel's
screen edge. In contrast to the latter action, the panel will stay visible
until the user interacts with the panel (e.g. by moving the mouse over it and
away again).
EXPECTED RESULT
The panel should stay hidden when changing resolutions.
SOFTWARE/OS VERSIONS
Linux: openSUSE Tumbleweed (also tested Ubuntu 23.04)
KDE Plasma Version: 5.27.5
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.9
Graphics Platform: Wayland
ADDITIONAL INFORMATION
The behavior described in https://bugs.kde.org/show_bug.cgi?id=387252 sounds
very similar:
> (Basically whenever a geometry change request was posted for the panel (e.g.
> implicit size of Task Manager changing due to items being added/removed) KWin
> would unhide the panel as it could have moved out of the visible are and
> become unreachable. It then didn't re-apply the auto hiding)
I tried debugging this myself for a bit, but the interaction between
KWin/plasmashell is still a bit over my head :)
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