https://bugs.kde.org/show_bug.cgi?id=466027
Bug ID: 466027
Summary: alt-tabbing after a media player was used in
fullscreen and then quitted or put in windowed result
in empty previews for Firefox and sometimes
Thunderbird
Classification: Plasma
Product: plasmashell
Version: master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Task Manager and Icons-Only Task Manager
Assignee: plasma-b...@kde.org
Reporter: porke...@gmail.com
Target Milestone: 1.0
Created attachment 156455
--> https://bugs.kde.org/attachment.cgi?id=156455&action=edit
Screenshot of a messed-up preview for Firefox
STEPS TO REPRODUCE
1. Open Firefox and Thunderbird
2. Play whatever video in mpv, and switch mpv to fullscreen. I don't know why,
but in such modes, task switcher doesn't show window previews anymore but only
big icons. (I'm btw curious why most applications doesn't shows preview in such
situations - and even stranger, GIMP present a pseudo-preview, showing the
picture we work on, but not the window itself)
3. Escape full screen or quit mpv. Firefox and sometimes Thunderbird previews
will be messed up as visible in the joined screen. When Thunderbird's one is
messed up, hovering it in the task switcher fixes the preview. For Firefox, the
only way is to switch to the application completely.
OBSERVED RESULT
Messed-up previews.
EXPECTED RESULT
Previews shouldn't be messed up.
SOFTWARE/OS VERSIONS
ArchLinux
Linux/KDE Plasma: 5.27.0
(available in About System)
I'm not seeing an "About System", where should it be looked for?
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
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