-# Find an existing screen locker.
-for locker in xscreensaver xtrlock ''; do
- if installed "$locker"; then
- break
- fi
-done
-if test -z "$locker"; then
- echo 'No screen locker found!' | notify 60
-fi
-# Additional options.
-locker_pre=
-if test x"$locker" = xxscreensaver; then
- # Start xscreensaver if it's not already running. xscreensaver-command
- # ensures xscreensaver is available for the current X session.
- locker_pre='xscreensaver-command -time >/dev/null 2>&1 || xscreensaver &'
- locker='xscreensaver-command -lock'
-elif test x"$locker" = xxtrlock; then
- # Sleep is necessary to allow xtrlock to grab the keyboard input.
- locker_pre='sleep 1;'
-fi