random-scripts/swayidle-lock-screen

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#!/usr/bin/env zsh
LOCKFILE="${HOME}/.cache/swayidle-lock-screen.lock"
function run {
# ensure multiple instances do not run
mkdir -p "$(dirname "${LOCKFILE}")"
exec 4<>"${LOCKFILE}"
flock -n 4 || exit 0
dunstctl set-paused true
swayidle -w -C /dev/null \
timeout 15 "${suspend_command}" resume "${wake_command}" &
local swayidle_pid="${!}"
swaylock ${empty_flag} ${img_flags}
kill "${swayidle_pid}"
eval "${wake_command}"
dunstctl set-paused false
fix_eww
flock -u 4
}
function fix_eww {
if (( ${#fix_eww} > 0 )); then
eww open-many ${fix_eww}
fi
}
local background=false
local suspend_command=''
local wake_command=''
local empty_flag=''
local fix_eww=()
while [[ "${1}" =~ '^-' ]]; do
case "${1}" in
--)
shift
break
;;
-f)
background=true
;;
-b)
fix_eww+="${2}"
shift
;;
-s)
local suspend_command="${2}"
shift
;;
-w)
local wake_command="${2}"
shift
;;
-e)
empty_flag='-e'
;;
-*)
printf "error: unknown flag '%s'\n" "${1}" >&2
;;
esac
shift
done
if [[ -z "${suspend_command}" ]]; then
# default to turning off all displays
suspend_command="wlr-randr $(wlr-randr --json |
jq -r '[.[] | .modes = [.modes.[] |
select(.current)]] |
map("--output ''\(.name)'' --off") | join(" ")')"
fi
if [[ -z "${wake_command}" ]]; then
wake_command="wlr-randr $(wlr-randr --json | jq -r '[.[]| select(.enabled) | .modes = [.modes.[] | select(.current)].[]] | map("--output ''\(.name)'' --on --mode ''\(.modes.width)x\(.modes.height)@\(.modes.refresh)Hz'' --pos ''\(.position.x),\(.position.y)'' --transform \(.transform) --scale \(.scale)") | join(" ")')"
fi
(( ${#} != 0 )) && img_flags=(-s fill -i "${1}")
if ${background}; then
run '${img_flags}' &
else
run '${img_flags}'
fi