MonitorListener

function listen()
event, side, x, y = os.pullEvent("monitor_touch", "mouse_click")
    if event == "monitor_touch" then
        print(x..", "..y.." auf Monitor")
    end
    if event == "mouse_click" then
        print(x..", "..y.." auf Bildschirm")
    end
end

while true do
    listen()
    sleep(0.1)
end