#!/bin/bash

for i in $(seq 10); do
	if xsetwacom list devices | grep -q Wacom; then
		break
	fi
	sleep 1
done

list=$(xsetwacom list devices)
pad=$(echo "${list}" | awk '/pad/{print $8}')
stylus=$(echo "${list}" | awk '/stylus/{print $8}')
eraser=$(echo "${list}" | awk '/eraser/{print $8}')

if [ -z "${pad}" ]; then
	exit 0
fi

first_display="$(xrandr | grep -oP "([^\s]+)(?=\sconnected)" | head -1)"

xsetwacom set "${stylus}" MapToOutput "${first_display}"
xsetwacom set "${eraser}" MapToOutput "${first_display}"

first_resolution="$(xrandr | grep -oP "(\d+x\d+)(?=[^*]+\*)" | head -1)"
IFS='x'
read -ra resolution <<< "$first_resolution"

width=31496
height="$(bc -l <<< "ratio=${resolution[0]}/${resolution[1]}; scale=0; $width/ratio")"

xsetwacom set "${stylus}" Area "0 0 $width $height"
xsetwacom set "${eraser}" Area "0 0 $width $height"

xsetwacom set "${pad}" Button 11 "key +ctrl z -ctrl"
xsetwacom set "${pad}" Button 10 "key +shift"
xsetwacom set "${pad}" Button 9 "key +ctrl"
xsetwacom set "${pad}" Button 1 "button +15"
#xsetwacom set "${pad}" Button 4 "key 0xffad"
#xsetwacom set "${pad}" Button 4 "button +5"