https://bugs.kde.org/show_bug.cgi?id=483133

            Bug ID: 483133
           Summary: Mouse cursor stuck in top-left corner in some
                    fullscreen games on Wayland
    Classification: Plasma
           Product: plasmashell
           Version: 6.0.1
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: hazel...@mailbox.org
                CC: k...@davidedmundson.co.uk
  Target Milestone: 1.0

SUMMARY
The mouse cursor started getting stuck in the top-left corner after I turned on
the computer today. It varies depending on game. In some games (I tested The
Elder Scrolls IV: Oblivion, Command & Conquer: Renegade) it simply "teleports"
to the corner and stays there when I move the mouse, while in others (I tested
Command & Conquer: Red Alert 2) it periodically "blinks" into the corner and
back, causing the screen to briefly scroll in that direction. Other games (I
tested Grand Theft Auto: San Andreas and the native Linux version of Portal 2),
nothing happens at all, and they play normally.

This did not happen until today (possibly related to an update that got
installed yesterday), and it only happens on Wayland - on X the cursor is
completely unaffected. 

Interestingly enough, someone suggested it might be related to Screen Edges,
triggering the overview underneath the game, and after disabling that feature
the mouse started working normally in Wayland for C&C Renegade, but the other
games seem unaffected by this.

All the games tested were launched from Steam, if that's relevant.

STEPS TO REPRODUCE
1. Launch one of the affected games (there are probably more cases where this
happens) while running a Plasma 6.0.1 Wayland session

OBSERVED RESULT
Mouse cursor gets stuck in the top-left corner of the screen

EXPECTED RESULT
Mouse functions normally

SOFTWARE/OS VERSIONS
Linux: EndeavourOS
KDE Plasma Version: Plasma 6.0.1
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2

ADDITIONAL INFORMATION
I disabled EndeavourOS' repos, and am using the vanilla Arch ones. In addition,
I'm using a dual-monitor setup. Graphics card is AMD Radeon RX 5700 XT 50th
Anniversary

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