Using a dual monitor setup on Ubuntu 18.04, how can I invert colors on just one screen? I have been using xrandr-invert-colors and when I run it all monitors get their colors inverted.
My xorg.conf:
Section "ServerFlags"
Option "DontVTSwitch" "on"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "AccelMethod" "sna"
EndSection
Edit: xcalib -i -a also inverts the colors on both monitors.
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