hexagons/bin/exeflock4

#!/usr/bin/env bash

set -euf -o pipefail

pre_lock() {
	dunst() {
	  pkill -0 --exact dunst || return 0

	  case ${1:-} in
		stop)
		  pkill -USR1 --euid "$(id -u)" --exact dunst
		  ;;
		resume)
		  pkill -USR2 --euid "$(id -u)" --exact dunst
		  ;;
		*)
		  echo "dunst argument required: stop or resume"
		  return 1
		  ;;
	  esac
	}

	dunst stop
}

post_lock() {
	dunst resume
}

# lock colors
c0='#00000000' # clear
#c1='#000000ff' # black
c2='#FABD2F88'
c3='#FB493488'
c4='#EBDBB2FF'
c5='#B8BB2688'
c6='#28282888'
c7='#282828FF'
c8='#eeeeecff'
c9='#12121200'
cA='#c4a000ff'

lock="$HOME/Pictures/trilock.png"
image=$(mktemp --suffix=.png)
trap 'rm -f "$image"' SIGINT SIGTERM EXIT

maim -u \
    | convert png:- -scale 10% -scale 1000% \
"$lock" -gravity center -composite -matte "$image"

i3lock_options=("\
--image='$image' \
--insidevercolor=$c5 \
--insidewrongcolor=$c3 \
--insidecolor=$c0 \
--ringvercolor=$c2 \
--ringwrongcolor=$cA \
--ringcolor=$c7 \
--verifcolor=$c8 \
--wrongcolor=$c4 \
--linecolor=$c4 \
--separatorcolor=$c6 \
--keyhlcolor=$c4 \
--bshlcolor=$c3 \
--layoutcolor=$c9 \
--modsize=18 \
--refresh-rate=30 \
--radius=120 \
--ring-width=4 \
--veriftext='' \
--wrongtext='' \
--noinputtext='' \
--ignore-empty-password \
-B \
--nofork &")

#pid="$!"
#while 2>/dev/null kill -0 "$pid"; do
#  sleep 1
#done

pre_lock

if [[ -e /dev/fd/${XSS_SLEEP_LOCK_FD:--1} ]]; then
    kill_i3lock() {
        pkill -xu $EUID "$@" i3lock
    }

    trap kill_i3lock TERM INT

    # we have to make sure the locker does not inherit a copy of the lock fd
    i3lock "${i3lock_options[@]}" {XSS_SLEEP_LOCK_FD}<&-

    # now close our fd (only remaining copy) to indicate we're ready to sleep
    exec {XSS_SLEEP_LOCK_FD}<&-

    while kill_i3lock -0; do
        sleep 0.5
    done
else
    trap 'kill %%' TERM INT
    i3lock -n "${i3lock_options[@]}" &
    wait
fi

post_lock