Description
Is your feature request related to a problem? Please describe.
#3524 implements monitor mode. This works great. It would be very cool if the server can match the client's geometry, like Windows Terminal Server does.
Describe the solution you'd like
After the clients send it's ["desktop-size"] hello packet; create an XDUMMY display for each client display in a left-to-right order.
Then match the resolution of clients displays.
Describe alternatives you've considered
Using xrandr commands on the server to match the clients geo.