hyprland-rotate

#!/usr/bin/env bash

# rotate monitor around incrementally with hyprland
# values are taken from official documentation
# https://wiki.hyprland.org/Configuring/Monitors/

# only intended to work with single-monitor setups

# comment out either of these lines to disable transforming
# their respective devices. Update them to match your own if
# you want them to work.
touchdevice="elan901c:00-04f3:2a41"
stylusdevice="${touchdevice}-stylus"

# as of writing this, states 0-3 are:
# 0: 0 degree offset
# 1: 90 degree offset
# 2: 180 degree offset
# 3: 270 degree offset
# and these states are shared between the input and monitor devices
minstate=0
maxstate=1

# get current state
curstate="$(hyprctl monitors | grep transform | sed -r 's/.*([0-9]+).*/\1/' | tr -d '\n')"

# increment state
if [ ! -z "$curstate" ]; then
    curstate=$(( $curstate + 1 ))
    if [ $curstate -gt $maxstate ]; then
        curstate=$minstate
    fi
else
    curstate=$minstate
fi

hyprctl keyword monitor ,transform,$curstate
[ ! -z "$touchdevice" ] && hyprctl keyword device[${touchdevice}]:transform $curstate
[ ! -z "$stylusdevice" ] && hyprctl keyword device[${stylusdevice}]:transform $curstate
pgrep eww && eww reload