https://bugs.kde.org/show_bug.cgi?id=455364
Bug ID: 455364
Summary: Dropdowns are shifted on wayland multi monitor
Product: plasmashell
Version: 5.25.0
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Multi-screen support
Assignee: plasma-b...@kde.org
Reporter: m...@florian-schulte.net
CC: aleix...@kde.org, notm...@gmail.com
Target Milestone: 1.0
Created attachment 149758
--> https://bugs.kde.org/attachment.cgi?id=149758&action=edit
Screenshots merged into one file; top shows monitor setup and described
behavior
I use a multi monitor setup and switched from X11 to wayland with the new 5.25
release. I noticed some weird behavior when i open menus an applications (e.g.
dolphin). I use a triple monitor setup with two side monitors with a resolution
of 1920x1080 and a center monitor with 2560x1440. Coming from X11 I had all
monitors center aligned in the vertical direction. So the left monitor was at
coordinate 0,180 and the right one was at 4480,180. Everything was working
normally.
On wayland the menus are shifted down by roughly 150px on the left screen. And
on the center screen the menus are moved to the right by 1645px (see
attachments). To me it seems that it tries to move the menus by an offset but
fails to take the coordinate into account correctly. On the third screen the
menus are shifted in both directions, but not as far to the right as the system
always tries to keep the menu completely on screen.
If I align all screens to the top (coordinates: 0,0; 1920,0; 4480,0) ,
everything is fine, but it does not represent my setup anymore. I used gimp to
edit the screenshots and it seems that gtk does not show this behaviour.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: kde neon
KDE Plasma Version: 5.25.0
KDE Frameworks Version: 5.95.0
Qt Version: 5.15.4
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