mouse-acceleration-toggle

#! /bin/bash

#----------------------------------------------------------------------
# Description: toggle or change mouse acceleration using libinput
#              Wed Jan 23 00:25:46 2019 : on/off argument
# Author: Artem S. Tashkinov
# Created at: Sun Jan 20 18:26:25 2019
#             2019-01-23 00:31:42 changes unknown
#             2022-10-21 01:54:22 fixes for new xinput output
# Computer: localhost.localdomain
# System: Linux 4.19.15-300.fc29.x86_64 on x86_64
#
# Copyright (c) 2019-2022 Artem S. Tashkinov  All rights reserved.
#
#----------------------------------------------------------------------

test -z "$DISPLAY" && echo "DISPLAY is not set. Exiting" && exit -1

# sed 's/.*id=\(.\).*/\1/'` - this should have never worked
mouse=`xinput list | grep Mouse | grep -v Keyboard | sed 's/.*id=\([0-9]*\).*/\1/'`
# was "Accel Profile Enabled (303)" - now 304, why? Let's remove the number
current=`xinput --list-props "$mouse" | grep -i "Accel Profile Enabled (" | rev | cut -c -4 | rev` # alternatively tail -c 5

w=`echo "$1" | tr '[:upper:]' '[:lower:]'`

echo -n "[$current]"

if [ "$current" = "1, 0" ]; then
    echo -n " Mouse acceleration is ENABLED. "
    test "$w" = "on"  && echo "" && exit 0
    status="on"
else
    echo -n " Mouse acceleration is disabled. "
    test "$w" = "off" && echo "" && exit 0
    status="off"
fi

if [ "$status" = "on" -o "$w" = "off" ]; then
    echo -n "Disabling ... "
    xinput --set-prop "$mouse" 'libinput Accel Profile Enabled' 0, 1 && echo OK
elif [ "$status" = "off" -o "$w" = "on" ]; then
    echo -n "ENABLING ... "
    xinput --set-prop "$mouse" 'libinput Accel Profile Enabled' 1, 0 && echo OK
fi