https://bugs.kde.org/show_bug.cgi?id=422463
Bug ID: 422463
Summary: In multi monitor configuration Screen Edges doesn't
work correctly
Product: kwin
Version: 5.18.5
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: piotr.mierzwin...@gmail.com
Target Milestone: ---
SUMMARY
I have multi monitors configuration. Actually there are two displays. Main
monitor and projector, which is positioned in "Display Configuration" at right
side of monitor. Monitor has resolution 2560x1440 and projector has 1920x1080.
Plasma session is running in X-Server.
The issue is that, when I move mouse cursor into right top corner of my monitor
happens nothing. Just assigned action doesn't work. Only to activate this
action I need to move mouse cursor into right top corner of second display so
screen of projector. In my opinion this is not intuitive. I work on main
monitor and would like to get action in right top corner this display. Please
notice that left top corner works well. BTW. Mouse cursor doesn't move on
second screen after I move it into right top corner, because monitor has
greater resolution than positioned at right side screen of projector.
Additional problem is that, my projector is usually turned off or actually
working in standby mode. I turn on it occasionally. Please notice even
projector is turned off, but connected to my PC kwin/plasma sees it as normal
display and even I switching my virtual desktops (I have 2) I can see it
through split of second. I can move mouse cursor on this not visible desktop, I
can move any window on it and sometime even some applications displays its
window on this invisible screen. To be honest this is very annoying experience,
because I have to choices in this moment. Either I can blindly catch window
(holding left Alt) or just turn on projector and normally move window back to
main monitor. Option to move window between displays is not available in task
icon this window.
I'n not sure if described here issue is that kwin/plasma gets incorrectly
provided information about screen from xorg sever or the issue is somewhere in
kwin/plasma.
I didn't test this in Wayland session.
STEPS TO REPRODUCE
1. to your PC connect any display and let kwin/Plasma recognize it
2. In "Display Configuration" place it at right side of your main monitor
3. turn off connected monitor, let it be in standby mode
4. in "Screen Edges" configure any action for right corner - I have "Show
windows from all desktops"
5. Move mouse cursor into top right corner your main monitor
OBSERVED RESULT
happens nothing or cursor moves on second display if it has smaller or equal
resolution like main screen.
EXPECTED RESULT
assigned activity should be run
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: YES
(available in About System)
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.70.0
Qt Version: 5.15
ADDITIONAL INFORMATION
In Windows 7 and Windows 10 I didn't observe such strange behavior - not
visible desktop for second display what is turned off (works in standy mode) is
just not achievable at all. Only when I turn on it is achievable.
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