https://bugs.kde.org/show_bug.cgi?id=484902

            Bug ID: 484902
           Summary: Regression: "Switch to Screen" shortcuts stopped
                    working after upgrade to Plasma 6.0
    Classification: Plasma
           Product: kwin
           Version: 6.0.3
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: multi-screen
          Assignee: kwin-bugs-n...@kde.org
          Reporter: g...@section9.follonica.org
  Target Milestone: ---

SUMMARY
After upgrading to Plasma 6.0, "Switch to Screen" shortcuts stopped working.
Although this seems to be intentional as per
https://invent.kde.org/plasma/kwin/-/merge_requests/5102, I find the way that
the setting "active screen follows mouse" has been dropped and forcibly enabled
to be unfair to the user.
I have been using switch to screen shortcuts since the inception of Plasma 5.0
and after upgrading to Plasma 6.0 discovered that this functionality got
removed. Apparently there has been some consensus "to drop "active mouse
screen" option and stick with last interacted screen approach instead" in the
late Plasma 5.0 times but I have not been able to find any discussion about the
reasoning that brought to the demise of this functionality.

I can't believe that the developers of KDE Plasma, whose main focus has always
been on configurability, unconditionally dropped such a feature in front of old
time users just to alleviate complaints from users who inadvertently disabled
"active screen follows mouse" or that were unaware of its consequences. If this
is actually the case, then IMHO there is something wrong with the way that this
setting has been implemented in the UI or the lack of a clear warning about its
consequences and not something wrong with the feature itself as I find the
ability to have the screen focus independent from the mouse a key feature for
multi-screen workstations and have always been fond of it.

Take i.e. multiple Konsole windows (but obviously it can be any application)
open on different sceens. With "Active Screen Follows Mouse" disabled,
"Separate Sreen Focus" enabled and "Switch To screen" shortcuts configured you
can quickly switch between multiple Konsole windows on different screens
without having to resort to the task switcher and hence without having to
remember how many times to type TAB in alt+tab to switch to that particular
konsole window you were on before. You just type the shortcut corresponding to
the screen that particular window is on. This is especially useful when you
have three or more monitors and when you can interact with application windows
without the mouse. These can be Konsole windows, browser windows with Vivium
extension enabled or whatever.

Luckily the option itself has not been dropped, so adding "ActiveMouseScreen=0"
in [Windows] group in kwinrc actually re-enables "Switch to Screen" shortcuts
but I am afraid that this feature will be definitely dropped in Plasma 6.1. I
really hope not so.

STEPS TO REPRODUCE
1. In Window Management kcm, under Window Behavior, select "Separate Sreen
Focus" 
2. In Shortcuts kcm, under KWin, add Meta+F2 as a shortcut to "Switch to Screen
1" to actually switch to your second monitor.
3. Press Meta+F2

OBSERVED RESULT
The focus will not be switched to your second monitor and a popup appears: "The
window manager is configured to consider the screen with the mouse on it as
active one.
Therefore it is not possible to switch to a screen explicitly. "

EXPECTED RESULT
The focus should be switched to "Screen 1".

SOFTWARE/OS VERSIONS
Linux/KDE Plasma:  Fedora 39
KDE Plasma Version:  6.0.3
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2

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