Есть мышки и трэкбол. Чувствительность их в скрипте например задаю так:
# DNS
xinput --set-prop "pointer:G-SPY USB Gaming Mouse" "Device Accel Constant Deceleration" 3
xinput --set-prop "pointer:G-SPY USB Gaming Mouse" "Device Accel Velocity Scaling" 2
# Murble
xinput --set-prop "pointer:Logitech USB Trackball" "Device Accel Constant Deceleration" 0.8
xinput --set-prop "pointer:Logitech USB Trackball" "Device Accel Velocity Scaling" 3
> xinput
⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
⎜   ↳ USB Laser Game Mouse                    	id=8	[slave  pointer  (2)]
⎜   ↳ USB Laser Game Mouse                    	id=10	[slave  pointer  (2)]
⎜   ↳ Generic USB Keyboard                    	id=13	[slave  pointer  (2)]
⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
    ↳ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
    ↳ Power Button                            	id=6	[slave  keyboard (3)]
    ↳ Power Button                            	id=7	[slave  keyboard (3)]
    ↳ USB Laser Game Mouse                    	id=9	[slave  keyboard (3)]
    ↳ UVC Camera (046d:0825)                  	id=11	[slave  keyboard (3)]
    ↳ Generic USB Keyboard                    	id=12	[slave  keyboard (3)]
> xinput --set-prop "pointer:USB Laser Game Mouse" "Device Accel Velocity Scaling" 5
Warning: There are multiple devices matching 'pointer:USB Laser Game Mouse'.
To ensure the correct one is selected, please use the device ID, or prefix the
device name with 'pointer:' or 'keyboard:' as appropriate.
unable to find device pointer:USB Laser Game Mousexinput --set-prop 8 "Device Accel Velocity Scaling" 5
Как починить?



