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random-scripts/swayidle-lock-screen

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#!/usr/bin/env zsh
LOCKFILE="${HOME}/.cache/swayidle-lock-screen.lock"
ENABLE_DISPLAYS="${HOME}/scripts/enable-displays-for-sleep"
function has-rootful-xwayland-p {
for pid in $(pgrep Xwayland); do
local cmdline=(${(0)"$(cat /proc/"${pid}"/cmdline)"})
if ! ((${cmdline[(Ie)-rootless]})); then
return 0
fi
done
return 1
}
function run {
# ensure multiple instances do not run
mkdir -p "${LOCKFILE:h}"
exec 4<>"${LOCKFILE}"
flock -n 4 || exit 0
dunstctl set-paused true
if [[ "${XDG_CURRENT_DESKTOP}" == 'river' ]] && has-rootful-xwayland-p; then
swaylock ${empty_flag} --color '#000000'
else
local swayidle_pid
if ((dont_sleep)); then
# get the list of currently disabled monitors so we don't touch them
local ignored=("${(0)$("${ENABLE_DISPLAYS}" -l)}")
local ignored_args=()
for name in ${ignored}; do
# quote so it can be safely passed to swayidle
ignored_args+=(-i "${(q)name}")
done
swayidle -w -C /dev/null \
timeout 15 "${(q)ENABLE_DISPLAYS} -d ${ignored_args}" \
resume "${(q)ENABLE_DISPLAYS} {$ignored_args}" &
swayidle_pid="${!}"
else
swayidle -w -C /dev/null timeout 15 "systemctl suspend" &
swayidle_pid="${!}"
fi
swaylock ${empty_flag} ${img_flags}
kill "${swayidle_pid}"
fi
dunstctl set-paused false
fix_eww
flock -u 4
}
function fix_eww {
if (( ${#fix_eww} > 0 )); then
eww open-many ${fix_eww}
fi
}
local background=false
local suspend_command=''
local wake_command=''
local empty_flag=''
local fix_eww=()
let dont_sleep=0
while [[ "${1}" =~ '^-' ]]; do
case "${1}" in
--)
shift
break
;;
-f)
background=true
;;
-b)
fix_eww+="${2}"
shift
;;
-e)
empty_flag='-e'
;;
-d)
dont_sleep=1
;;
-*)
printf "error: unknown flag '%s'\n" "${1}" >&2
;;
esac
shift
done
(( ${#} != 0 )) && img_flags=(-s fill -i "${1}")
if ${background}; then
run '${img_flags}' &
else
run '${img_flags}'
fi