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# script - "xscreensaver.kss"
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# Author: Shane Smit <shane_smit@calderasystems.com>
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# Modification History:
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# [08/23/1999] - Shane Smit: Creation
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# This script file enables users to use XScreenSaver via the
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# KDE Display Properties.
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# Permission to use, copy, modify, distribute, and sell this software and its
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# documentation for any purpose is hereby granted without fee, provided that
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# the above copyright notice appear in all copies and that both that
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# copyright notice and this permission notice appear in supporting
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# documentation. No representations are made about the suitability of this
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# software for any purpose. It is provided "as is" without express or
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# Locking is turned off by default.
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lockmode="-no-lock-mode"
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# This is the name in the list box.
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# This simply runs xflame in the preview window. For this to be "real",
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# it needs to run xscreensaver with a -window-id parameter for each hack.
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# There are two ways to do this:
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# 1) Hack xscreensaver to allow global parameters.
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# 2) Hack xscreensaver to accept alternate setup files, and create one on
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/usr/lib/xscreensaver/xflame -delay 1 -window-id $1 & # Start new preview
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echo "$!" > $HOME/.kss-preview$1.pid.`hostname` # Write PID
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wait $! # Wait for it to get killed
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/usr/bin/xscreensaver -no-splash & # daemon must be started
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/usr/bin/xscreensaver-demo # or the setup will produce
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# I was unable to grep stdout because xscreensaver nabs it. But I was able
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# to output it to a file, and grep the file.
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TEMP_FILE=/tmp/xsc.$RANDOM
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/usr/bin/xscreensaver -no-splash -verbose -no-capture-stderr 2> $TEMP_FILE &
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/usr/bin/xscreensaver-command -activate
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ExitNow=$(grep -E -c unblanking\|already $TEMP_FILE)
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if [ $ExitNow != 0 ]; then
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exit # It should never get this far.
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# echo "Not yet supported"
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if [ ! -f "/etc/shadow" ]; then
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# echo "Not yet supported"
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# echo "Not yet supported"
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echo "Unknown parameter: $1"
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if [ -n "$Install" ] ; then
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PID_FILE=$HOME/.kss-install.pid.`hostname`
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if [ -r "$PID_FILE" ] ; then
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kill `cat $PID_FILE` # Kill old screensaver
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echo "$$" > $PID_FILE # Write PID of this script
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/usr/bin/xscreensaver -no-splash $timeout $lockmode $Nice & # Start XScreenSaver daemon
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trap "kill $!" SIGTERM # Set these to kill the daemon
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trap "kill $!" SIGKILL
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# KDE sends SIGUSER1 to indicate the user has hit the "lock" button.
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trap "/usr/bin/xscreensaver-command -lock" SIGUSR1
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wait $! # Do not exit, just wait for signals.
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echo "Usage: ./xscreensaver.kss -install|-setup|-test|-desc [-delay num] [-lock] [-nice num]"
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# echo " -corners xxxx Placing cursor in corner performs action:"
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# echo " x = i no action (ignore)"
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# echo " x = s save screen"
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# echo " x = l lock screen"
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# echo " order: top-left, top-right, bottom-left, bottom-right"
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echo " -delay num Amount of idle time before screen saver starts (default 10min)"
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echo " -desc Print the screen saver's description to stdout"
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echo " -install Install screen saver"
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echo " -lock Require password to stop screen saver"
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# echo " -allow-root Accept root password to unlock"
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echo " -nice num Run with specified nice value"
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echo " -preview wid Run in the specified XWindow"
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# echo " -inroot Run in the root window"
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echo " -setup Setup screen saver"
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echo " -test Invoke the screen saver immediately"
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# End of script - "xscreensaver.kss"