SUMMARY There's the OSD, however, it is surely suitable for a laptop, where you attach a single screen: 1) "Switch to external desktop" 2) "Switch to laptop screen" 3) "Unify outputs" 4) "Extend to the left" 5) "Extend to the right" But let's say you got a system with three screens: A, B and C, where A is the primary, then the overall setup is more complex and it would require a new UI to specify the roles of each screens. It would therefore be great if there were an UI for doing that in the KScreen settings: What you can already do is in KScreen is to specify a screen as primary and whether it's on or off. You can not however specify for example whether screen B shall mirror screen A and C shall only extend A or B.
Created attachment 148948 [details] Screenshot of the Screen configuration OSD for Laptops (2 screens)
That seems like too complicated a UI for the OSD. Can't you use the KCM for that?
(In reply to Nate Graham from comment #2) > That seems like too complicated a UI for the OSD. Can't you use the KCM for > that? I meant the KCM, sorry. :)
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The question asked was answered. :)
You can do that in the KScreen KCM. Each screen can be marked as a replica or another screen, or not. Does this not work for you?
(In reply to Nate Graham from comment #6) > You can do that in the KScreen KCM. Each screen can be marked as a replica > or another screen, or not. Does this not work for you? Can you please show me in a screenshot how to do this? I really cannot find the option to do that.
Created attachment 149405 [details] Screenshot: KScreen on openSUSE TW (Plasma 5.24.5)
That's strange. You're on Wayland, right?
(In reply to Nate Graham from comment #9) > That's strange. You're on Wayland, right? Yes, sure. :-)
I also don't see the option in the master build of kscreen / systemsettings / kwin_wayland.
You're right. Either it's disappeared, or it only ever appeared there if you mirrored from the OSD in the first place.
The UI for it is correctly not shown - the relevant functionality does not properly speaking exist on Wayland. Fixing that is planned, once that's done we can enable it: https://invent.kde.org/plasma/kwin/-/issues/78
Well darn. Should we close this because it's already tracked with https://invent.kde.org/plasma/kwin/-/issues/78?
sure, let's keep it in one place