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#!/bin/bash
# Based on /usr/share/doc/xss-lock/transfer-sleep-lock-i3lock.sh on
# Debian stretch
#
# xss-lock should be invoked like this:
#
# % xss-lock --transfer-sleep-lock -- i3-startup-xtrlock-inner-lock
# ensure we can easily see the blue padlock
# commented out because if the active window is virt-viewer, and mouse
# is hovering over "Leave fullscreen", this will cause virt-viewer to
# grab the mouse before xtrlock can lock the screen
# xmouse-away-from-edge
xtrlock_args=""
if [ -e "$HOME/local/xtrlock-please-blank" ]; then
xtrlock_args="-b"
rm ~/local/xtrlock-please-blank
fi
# If unclutter is unclutter-xfixes, we want to kill it and restart
# later so that it doesn't hide xtrlock's cursor. Note that classic
# unclutter won't hide xtrlock's cursor. Rather than checking which
# unclutter we have, though, just kill it
pkill -xu $EUID unclutter ||:
# We set a trap to kill the locker if we get killed, then start the locker and
# wait for it to exit. The waiting is not that straightforward when the locker
# forks, so we use this polling only if we have a sleep lock to deal with.
if [[ -e /dev/fd/${XSS_SLEEP_LOCK_FD:--1} ]]; then
# pre-sleep commands
# kill caffeination because it tends to be ineffective after
# system has come back from suspend
xset +dpms
pkill -u $USER i3-nagbar
kill_xtrlock() {
pkill -xu $EUID "$@" xtrlock
}
trap kill_xtrlock TERM INT
# we have to make sure the locker does not inherit a copy of the lock fd
xtrlock $xtrlock_args -f {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_xtrlock -0; do
sleep 0.5
done
else
trap 'kill %%' TERM INT
xtrlock $xtrlock_args &
wait
fi
unclutter -idle 5 -root -noevents &
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