SUMMARY It seems that KScreenlocker only queries the display resolution once at lock time and never again. It doesn't matter if the display changes while KScreenlocker is shown or the device is on standby (where all screens are off) Example: I lock my laptop while an external display is connected an acting as the primary display, so KScreenlocker adjusts to that displays resolution. If I then unplug that display to switch to the laptop's internal one, KScreenlocker moves to the internal display too, which is correct of course. However, it doesn't adjust to the new, lower resolution so only the top left corner will be visible. Something similar happens when switching from a smaller to a bigger display, where KScreenlocker will be too small. STEPS TO REPRODUCE 1. Lock screen while using a big display 2. Switch to smaller display OBSERVED RESULT KScreenlocker doesn't adjust to the new resolution EXPECTED RESULT KScreenlocker does adjust to the new resolution
Created attachment 122973 [details] KScreenlocker is bigger than the display
Created attachment 122974 [details] KScreenlocker is too small for the display
There were some multi-screen fixes recently; can you test again with Plasma 5.22? Thanks!
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Nope, sorry, the bugs is not solved. I locked the laptop while the external display was connected, then closed the lid and then disconnected the monitor. When I opened the lid again, I only saw the upper left corner of the lock screen.
Likely duplicates: Bug #440639 and Bug #436590 (different manifestations of what looks like the inability of kscreenlocker to realize that display configuration has changed). Also the bug is still present (at least on my computer, running Plasma 5.22.5 on KDE Neon).
Also, is there something Is can do to help with the resolution of this bug? (I would rather use my time for helping than losing it uselessly several times a day, every time I switch to a VT to kill kscreenlocker!)
*** Bug 440639 has been marked as a duplicate of this bug. ***
*** Bug 436590 has been marked as a duplicate of this bug. ***
Thanks for finding those.
I haven't had this problem in a while (at least since Plasma 5.27), do others still have it?
There has been no response, I'll close it as obsolete. Please re-open if you're still affected.