kill_builtin_keyborad_while_bluetooth_keyboard_available.sh

#!/bin/bash

BUILTIN_KBD_NAME="AT Translated Set 2 keyboard"
BLUETOOTH_KBD_NAME="HHKB-Hybrid_"

xinput set-prop "$BUILTIN_KBD_NAME" "Device Enabled" 1
trap "xinput set-prop '$BUILTIN_KBD_NAME' 'Device Enabled' 1; exit" 2

STATUS=none

while :; do
    if bluetoothctl info | grep "$BLUETOOTH_KBD_NAME" >/dev/null; then
        NEW_STATUS=1  # BT kbd is available
    else
        NEW_STATUS=0
    fi
    if [ "$STATUS" != "$NEW_STATUS" ]; then
        STATUS="$NEW_STATUS"
        if [ "$STATUS" = 1 ]; then
            echo "BT kbd is available. Disable the builtin kbd"
            xinput set-prop "$BUILTIN_KBD_NAME" "Device Enabled" 0
        else
            echo "BT kbd is not available. Enable the builtin kbd"
            xinput set-prop "$BUILTIN_KBD_NAME" "Device Enabled" 1
        fi
    fi
    sleep 1
done