doti3/i3_switch_monitor.sh

#!/bin/sh

MONITOR1_WIDTH=$1
MONITOR2_WIDTH=$2
MONITOR3_WIDTH=$3

getMouseX() {
	xdotool getmouselocation 2>/dev/null | awk '{ print $1 }' | cut -d: -f2
}

getMouveNextX() {
	if [ $(getMouseX) -lt $MONITOR1_WIDTH ]; then
		echo $(($MONITOR1_WIDTH + $MONITOR2_WIDTH / 2 - 10))
	elif [ -n "$MONITOR3_WIDTH" -a $(getMouseX) -lt $(($MONITOR1_WIDTH + $MONITOR2_WIDTH)) ]; then
		echo $(($MONITOR1_WIDTH + $MONITOR2_WIDTH + $MONITOR3_WIDTH / 2 - 10))
	else
		echo $((MONITOR1_WIDTH / 2 - 10))
	fi
}

moveTo() {
	xdotool mousemove $1 540
}

moveTo $(getMouveNextX)