https://bugs.winehq.org/show_bug.cgi?id=57581
--- Comment #3 from Mitch Claborn mitch@claborn.net --- The problem appears to always be on the last monitor.
xrandr --output "DP-1-0" --auto --right-of "eDP-1" xrandr --output "HDMI-1-0" --auto --right-of "DP-1-0" xrandr --output "DP-1-2.8" --auto --right-of "HDMI-1-0"
==> problem is on DP-1-2.8
xrandr --output "DP-1-0" --auto --right-of "eDP-1" xrandr --output "DP-1-2.8" --auto --right-of "DP-1-0" xrandr --output "HDMI-1-0" --auto --right-of "DP-1-2.8"
==> problem is on HDMI-1-0
(Is it just me, or does having the monitor layout in the OS not match the physical layout really mess with your brain!)