#!/bin/sh

apply_settings() {
    sleep 2
    xinput set-prop pointer:"Logitech USB Trackball" "libinput Natural Scrolling Enabled" 1
    xinput set-prop pointer:"Logitech USB Trackball" "libinput Accel Speed" 1.000000
    xinput set-prop pointer:"SteelSeries SteelSeries Rival 310 eSports Mouse" "libinput Accel Speed" 0.300000
    xinput set-prop pointer:"ELECOM ELECOM TrackBall Mouse" "libinput Accel Speed" 0.300000
    xinput set-prop pointer:"Logitech M705" "libinput Accel Speed" 1.000000
    if [ -f ~/.Xmodmap ]; then xmodmap ~/.Xmodmap; fi
}

apply_settings

while true; do
    state=$(lsusb)
    sleep 2
    
    if [ "$state" != "$(lsusb)" ]; then
    	apply_settings
    fi
done