https://bugs.kde.org/show_bug.cgi?id=451811
Bug ID: 451811
Summary: After screen unplug, notifications show in wrong place
Product: plasmashell
Version: 5.24.3
Platform: Debian testing
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Multi-screen support
Assignee: plasma-b...@kde.org
Reporter: p...@ralfj.de
CC: aleix...@kde.org, notm...@gmail.com
Target Milestone: 1.0
Created attachment 147679
--> https://bugs.kde.org/attachment.cgi?id=147679&action=edit
A screenshot demonstrating the wrong position of the notification
SUMMARY
After a screen got unplugged while the machine is suspended, Plasma shows
notifications in the wrong spot.
STEPS TO REPRODUCE
1. Have an external screen connected, with the internal screen being set up "to
the right of" the external one
2. Put machine to sleep, unplug external screen, resume machine
3. Make a notification happen
OBSERVED RESULT
The notification shows in the wrong spot, it partially clips outside of the
visible area and overlaps with the toolbar. (See attached screenshot.)
EXPECTED RESULT
The notification should show where it usually does: in the bottom right corner,
*above* the toolbar.
SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux
KDE Plasma Version: 5.24.3
KDE Frameworks Version: 5.90.0
Qt Version: 5.15.2
Kernel Version: 5.16.0-4-amd64 (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Xeon® CPU E3-1505M v5 @ 2.80GHz
Memory: 31,2 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics P530
ADDITIONAL INFORMATION
This seems to be a zombie bug that came back:
https://bugs.kde.org/show_bug.cgi?id=373379.
This is a regression, the same sequence of actions worked with before the
latest KDE/Plasma update (previous I was on 5.22 or 5.23).
It's not just notifications, other things like KRunner also show in the wrong
spot.
Connecting and disconnecting another external screen while the machine runs
fixes the problem. So it seems like a bug was introduced recently where Plasma
fails to notice screen geometry changes in some situations related to system
suspend/resume.
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