Mouse Sensitivity – How to Reduce Speed of Corsair M95 Gaming Mouse

mouse

The mouse control panel window slider does nothing.
The official thread does not seem to affect this particular mouse due to it's xinput props being different: Reduce the Mouse Sensitivity

Here's what I've tried:

xinput set-prop 9 "libinput Accel Speed Default" 2.88

X Error of failed request:  BadAccess (attempt to access private resource denied)
  Major opcode of failed request:  131 (XInputExtension)
  Minor opcode of failed request:  57 ()
  Serial number of failed request:  20
  Current serial number in output stream:  21

And:

xinput set-prop $MOUSE_ID "Device Accel Constant Deceleration" 2.88 

property 'Device Accel Constant Deceleration' doesn't exist, you need to specify its type and format

Here are the props:

xinput list-props 9        
Device 'Corsair Corsair M95 Gaming Mouse':
    Device Enabled (153):   1
    Coordinate Transformation Matrix (155): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
    libinput Accel Speed (287): 0.000000
    libinput Accel Speed Default (288): 0.000000
    libinput Accel Profiles Available (289):    1, 1
    libinput Accel Profile Enabled (290):   1, 0
    libinput Accel Profile Enabled Default (291):   1, 0
    libinput Natural Scrolling Enabled (292):   0
    libinput Natural Scrolling Enabled Default (293):   0
    libinput Send Events Modes Available (272): 1, 0
    libinput Send Events Mode Enabled (273):    0, 0
    libinput Send Events Mode Enabled Default (274):    0, 0
    libinput Left Handed Enabled (294): 0
    libinput Left Handed Enabled Default (295): 0
    libinput Scroll Methods Available (296):    0, 0, 1
    libinput Scroll Method Enabled (297):   0, 0, 0
    libinput Scroll Method Enabled Default (298):   0, 0, 0
    libinput Button Scrolling Button (299): 2
    libinput Button Scrolling Button Default (300): 2
    libinput Middle Emulation Enabled (301):    0
    libinput Middle Emulation Enabled Default (302):    0
    Device Node (275):  "/dev/input/event2"
    Device Product ID (276):    6940, 6918
    libinput Drag Lock Buttons (303):   <no items>
    libinput Horizontal Scroll Enabled (304):   1



 jonny  ~  xinput list-props 11
Device 'Corsair Corsair M95 Gaming Mouse':
    Device Enabled (153):   1
    Coordinate Transformation Matrix (155): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
    libinput Natural Scrolling Enabled (292):   0
    libinput Natural Scrolling Enabled Default (293):   0
    libinput Send Events Modes Available (272): 1, 0
    libinput Send Events Mode Enabled (273):    0, 0
    libinput Send Events Mode Enabled Default (274):    0, 0
    Device Node (275):  "/dev/input/event4"
    Device Product ID (276):    6940, 6918
    libinput Drag Lock Buttons (303):   <no items>
    libinput Horizontal Scroll Enabled (304):   1



 jonny  ~  xinput list-props 10
Device 'Corsair Corsair M95 Gaming Mouse':
    Device Enabled (153):   1
    Coordinate Transformation Matrix (155): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
    libinput Send Events Modes Available (272): 1, 0
    libinput Send Events Mode Enabled (273):    0, 0
    libinput Send Events Mode Enabled Default (274):    0, 0
    Device Node (275):  "/dev/input/event3"
    Device Product ID (276):    6940, 6918


 jonny  ~  xinput list-props 15
Device 'Corsair Corsair M95 Gaming Mouse':
    Device Enabled (153):   1
    Coordinate Transformation Matrix (155): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
    libinput Natural Scrolling Enabled (292):   0
    libinput Natural Scrolling Enabled Default (293):   0
    libinput Send Events Modes Available (272): 1, 0
    libinput Send Events Mode Enabled (273):    0, 0
    libinput Send Events Mode Enabled Default (274):    0, 0
    Device Node (275):  "/dev/input/event4"
    Device Product ID (276):    6940, 6918

xinput list-props 4
Device 'Virtual core XTEST pointer':
    Device Enabled (153):   1
    Coordinate Transformation Matrix (155): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
    XTEST Device (271): 1
xinput list-props 2 
Device 'Virtual core pointer':
    Device Enabled (153):   1
    Coordinate Transformation Matrix (155): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000

And:

xinput                                                                                                                                                                                                                       1 
⎡ Virtual core pointer                      id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ Corsair Corsair M95 Gaming Mouse          id=9    [slave  pointer  (2)]
⎜   ↳ Corsair Corsair M95 Gaming Mouse          id=11   [slave  pointer  (2)]
⎜   ↳ Razer Razer BlackWidow Ultimate           id=13   [slave  pointer  (2)]
⎜   ↳ Razer Razer BlackWidow Ultimate           id=14   [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)]
    ↳ UVC Camera (046d:0807)                    id=8    [slave  keyboard (3)]
    ↳ Corsair Corsair M95 Gaming Mouse          id=10   [slave  keyboard (3)]
    ↳ Razer Razer BlackWidow Ultimate           id=12   [slave  keyboard (3)]
    ↳ Corsair Corsair M95 Gaming Mouse          id=15   [slave  keyboard (3)]
    ↳ Razer Razer BlackWidow Ultimate           id=16   [slave  keyboard (3)]

Best Answer

I was super close:

xinput set-prop $MOUSE_ID "libinput Accel Speed" -0.9

Where

MOUSE_ID=`xinput list | grep -i Corsair | awk '{print $(NF-3)}' | cut -c4-5 | head -n 1

Per: https://patrickmn.com/aside/lowering-gaming-mouse-sensitivity-in-ubuntu-9-10/

What it does

After an (arbitrary) idle time, the script will disable the mouse, making it insensitive to whatever you do with it. I would set this relatively short, so there is little chance of disturbance in between.
A simple keystroke however (any) will enable the mouse again.

Since xprintidle is triggered by either mouse- or keyboard events (not by what happens on screen), the script will not be disturbed by e.g. playing a movie.

That way, you won't have to fear an unwanted mouse action will disrupt anything, while you still have easy access to the controls and your computer.

As always (and as it should be with background scripts) the script is written in such a way that consumes practically no resources.

The script

#!/usr/bin/env python3
import subprocess
import time
# ---
# set your device (mouse), as found from the command: xinput list
device = 8
# set the desired idle time (in seconds) to disable the mouse
set_idletime = 5
# ---

# don't change anything below
idle1 = 0

while True:
    time.sleep(1)
    idle2 = int(int(subprocess.check_output(["xprintidle"]).decode("utf-8").strip())/1000)
    if all([idle1 <= set_idletime, idle2 > set_idletime]):
        subprocess.Popen(["xinput", "set-prop", str(device), "Device Enabled", "0"])
    elif idle2 < idle1:
        subprocess.Popen(["xinput", "set-prop", str(device), "Device Enabled", "1"])
    idle1 = idle2

How to use

The script needs xprintidle:
```
sudo apt-get install xprintidle
```
Copy the script into an empty file, save it as mouse_toosensitive.py
Find out the device (number, integer) of your mouse by running in a terminal:
```
xinput list
```
In the head section of the script, set both the device number and the desired idle time (see explanation in the script).
Test- run it by running it from a terminal window with the command:
```
python3 /path/to/mouse_toosensitive.py
```
If all works fine, add it to your startup applications: Dash > Startup Applications > Add the command:
```
/bin/bash -c "sleep 15 && python3 /path/to/mouse_toosensitive.py"
```

Mouse – How to Fix Mouse Speed Too Fast Issue Using xinput

Open a terminal
Run the command: xinput --list --short

Logitech USB Optical Mouse id=10 [slave pointer (2)]

(this is a part of output you will see, I found the name of my mouse Logitech USB Optical Mouse)

Note the name of your device.
Set the constant deceleration for the device:

xinput --set-prop "Logitech USB Optical Mouse" "Device Accel Constant Deceleration" 5

You need to play with with number, here 5. Don't loose focus of your terminal because mouse speed may become either too fast or too slow. lower the number the faster it will be, similarly, higher the number slower it will be. For me 1 is too fast, and 100 is too slow.

To see the current settings for the device:

xinput --list-props "Logitech USB Optical Mouse"

If this didn't work for you, you can always revert it back like this:

xinput --set-prop "Logitech USB Optical Mouse" "Device Accel Velocity Scaling" 1
xinput --set-prop "Logitech USB Optical Mouse" "Device Accel Profile" -1

reference

Best Answer

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Mouse – How to Fix Mouse Speed Too Fast Issue Using xinput

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