#!/usr/bin/env bash

################################
# Shows current brightness
#
# dependencies:
# - xbacklight
#
# @return {Number}: Current brightness
################################

case $BLOCK_BUTTON in
	# right click
	# set to `20
	3) xbacklight -set 20 ;;

	# scroll up
	# raise brightness
	4) xbacklight -inc 10 ;;

	# scroll down
	# lower brightness
	5) xbacklight -dec 10 ;;
esac

printf "%.0f" "$(xbacklight -get)"