Utility for toggling keyboard. Created so I can write on my laptop keyboard when it's open. I'm using it as a GNOME launcher application for Ubuntu 18.04 that can be access with the mouse. UPDATE: Doesn't work on Ubuntu 22.04 since it uses the Wayland window manager :(

toggle-keyboard

#!/usr/bin/env bash                                                                            
KEYBOARD_INFO=$(xinput list | sed -e 's/  */ /g' | grep "AT Translated Set 2 keyboard")        
EXTRAKEY_INFO=$(xinput list | sed -e 's/  */ /g' | grep "ThinkPad Extra Buttons")              
KEYBOARD_ID=$(echo $KEYBOARD_INFO | grep -o -P 'id=\K\d*')                                     
EXTRAKEY_ID=$(echo $EXTRAKEY_INFO | grep -o -P 'id=\K\d*')                                     
MASTER_ID=$(xinput list | sed -e 's/  */ /g' | grep -o -P 'slave keyboard \(\K\d*' | head -n 1)
IS_ATTACHED=$([ -z "$(echo $KEYBOARD_INFO | grep -o -P 'floating slave')" ])                   
                                                                                               
if [ -z "$(echo $KEYBOARD_INFO | grep -o -P 'floating slave')" ]; then                         
    xinput float $KEYBOARD_ID                                                                  
    xinput float $EXTRAKEY_ID                                                                  
    echo "Disabled keyboard"                                                                   
else                                                                                           
    xinput reattach $KEYBOARD_ID $MASTER_ID                                                    
    xinput reattach $EXTRAKEY_ID $MASTER_ID                                                    
    echo "Re-enabled keyboard"                                                                 
fi