https://bugs.kde.org/show_bug.cgi?id=456670
Bug ID: 456670
Summary: Both my desktops configurations are appearing on the
same monitor
Product: plasmashell
Version: 5.24.5
Platform: Kubuntu Packages
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: Multi-screen support
Assignee: plasma-b...@kde.org
Reporter: h...@outlook.com.au
CC: aleix...@kde.org, notm...@gmail.com
Target Milestone: 1.0
SUMMARY
This bug seems to be some unholy combination of #362058, #353975, #427861 and
#436648. I'm creating a new report since I'm unsure which one it applies to the
most. I've marked it as major due to data loss (panels getting deleted), but
feel free to edit as required.
My setup:
* When I'm working I need to move around a lot, so I use my laptop's 1920x1200
display.
* When I'm at home I use 2x 1920x1080 displays connected through a USB-C dock
(using Displaylink drivers). I keep my laptop's display disabled when I'm home.
* Generally, I boot up disconnected from the dock then connect it after I log
in. This is because due to another bug, my internet will break for that session
if I log in while docked.
Here's the symptoms:
* My icons only task managers and global menus are set up to only display icons
from their current screen, but they both only displays icons from the left-hand
screen.
* My global menus both follow the left-hand screen's active window, even though
they are on different screens
* KRunner always opens on the left-hand screen, even if my mouse is on the
right-hand screen
* The left-hand screen has no wallpaper, and when I right click, I get no
context menu to set one
* When I right click and choose to set my wallpaper on the right-hand screen, I
get two wallpaper pickers, both of which control the wallpaper of the
right-hand screen
* When I disconnect and reconnect my monitors, my panels on my right screen are
occasionally moved to my left screen and I have to move them back. Other times,
they vanish entirely, never to be seen again
* When I enter edit mode on a panel, the box that has options for adding
widgets, choosing themes and setting wallpapers always appears on the
right-hand screen, regardless of which panel I'm editing. Sometimes, it appears
underneath the right-hand panel (in terms of depth) instead of being positioned
below the panel (in terms of height)
I have checked in my desktop settings and verified that the screens are indeed
positioned independently of each other and have no overlapping space.
STEPS TO REPRODUCE
1. Connect external displays
2. Observe that all the panels were moved to the left-hand monitor
3. Move the duplicate panels back to their correct location
4. Observe that the panels on the right-hand screen are still following the
left-hand screen
5. Reboot and hope for the best
6. Log in and observe that the right-hand panels were deleted entirely
7. Recreate them and observe that they follow the left-hand screen still
EXPECTED RESULT
* Panels shouldn't randomly jump around
* Panels should follow the correct screen
* Panels shouldn't randomly vanish
* Tools such as KRunner should appear on the display that contains the mouse
cursor if configured to do so
* The left-hand desktop should be right-clickable
* Editing the wallpaper of the right-hand desktop should only pull up one
configuration window
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kubuntu 22.04
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.95.0
Qt Version: 5.15.3
ADDITIONAL INFORMATION
I have uploaded a video where I recreate the majority of the issues:
https://youtu.be/mal2Ad0KNTI
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