config_sway/bin/sway_lock

#!/bin/bash
source $HOME/.config/sway/bin/sway_helpers
IMAGE=$HOME/.lockscreen.png
LOCK_IMAGE=$HOME/.config/sway/bin/lock.png
OUTPUT=$(swaymsg -t get_outputs -p | grep focused | cut -d " " -f 2)
MEDIA_APP=playerctl
SCROT_APP=grim
SCROT_ARGS=" -o $OUTPUT -t png"
LOCK_APP=swaylock
LOCK_ARGS=" -f -F -e -s fill -c 000000 --indicator-radius 100 --indicator-thickness 20 -i $IMAGE"
INHIBIT_FILE=$HOME/.inhibit_lock

function _clean() {
  rm -vf $IMAGE
}

function _lock() {
  _check_inhibit $INHIBIT_FILE
  $MEDIA_APP pause
  _check_running $LOCK_APP
  $LOCK_APP $LOCK_ARGS
}

function _off() {
  swaymsg "output * dpms off"
}

function _on() {
  swaymsg "output * dpms on"
}

function _screenshot() {
  $SCROT_APP $SCROT_ARGS $IMAGE
  convert -blur 4x4 $IMAGE $IMAGE
  convert -composite -gravity center $IMAGE $LOCK_IMAGE $IMAGE
}

## main
_log LOCK INFO args: $*
_check_app $LOCK_APP
_check_app $SCROT_APP

case "$1" in
  i*)
    _set_inhibit $INHIBIT_FILE $2
    ;;
  lock)
    _on
    _screenshot
    _lock
    _clean
    ;;
  lockonly)
    _lock
    _clean
    ;;
  off)
    _screenshot
    _off
    ;;
  on)
    _on
    _clean
    ;;
  screenshot)
    _on
    _screenshot
    ;;
  *)
    echo "invalid argument \"$1\""
    echo "arguments: [inhibit [on|off]|lock|lockonly|off|on|screenshot]"
esac