69 lines
2.6 KiB
Bash
69 lines
2.6 KiB
Bash
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#!/bin/sh
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# /etc/acpi/powerbtn.sh
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# Taken from Debian's 2.0.4-1 diff file. This version handles KDE4.
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# Power Button event handler.
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# Checks to see if gnome or KDE are already handling the power button.
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# If not, initiates a plain shutdown.
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# getXuser gets the X user belonging to the display in $displaynum.
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# If you want the foreground X user, use getXconsole!
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# Input:
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# displaynum - X display number
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# Output:
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# XUSER - the name of the user
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# XAUTHORITY - full pathname of the user's .Xauthority file
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getXuser() {
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user=`pinky -fw | awk '{ if ($2 == ":'$displaynum'" || $(NF) == ":'$displaynum'" ) { print $1; exit; } }'`
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if [ x"$user" = x"" ]; then
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startx=`pgrep -n startx`
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if [ x"$startx" != x"" ]; then
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user=`ps -o user --no-headers $startx`
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fi
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fi
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if [ x"$user" != x"" ]; then
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userhome=`getent passwd $user | cut -d: -f6`
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export XAUTHORITY=$userhome/.Xauthority
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else
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export XAUTHORITY=""
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fi
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export XUSER=$user
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}
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# Gets the X display number for the active virtual terminal.
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# Output:
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# DISPLAY - the X display number
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# See getXuser()'s output.
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getXconsole() {
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console=`fgconsole`;
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displaynum=`ps t tty$console | sed -n -re 's,.*/X .*:([0-9]+).*,\1,p'`
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if [ x"$displaynum" != x"" ]; then
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export DISPLAY=":$displaynum"
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getXuser
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fi
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}
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# Skip if we are just in the middle of resuming.
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test -f /var/lock/acpisleep && exit 0
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# If the current X console user is running a power management daemon that
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# handles suspend/resume requests, let them handle policy.
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getXconsole
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# A list of power management system process names.
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PMS="gnome-power-manager kpowersave xfce4-power-manager"
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PMS="$PMS guidance-power-manager.py dalston-power-applet"
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# If one of those is running or any of several others,
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if pidof x $PMS > /dev/null ||
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( test "$XUSER" != "" && pidof dcopserver > /dev/null && test -x /usr/bin/dcop && /usr/bin/dcop --user $XUSER kded kded loadedModules | grep -q klaptopdaemon) ||
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( test "$XUSER" != "" && test -x /usr/bin/qdbus && test -r /proc/$(pidof kded4)/environ && su - $XUSER -c "eval $(echo -n 'export '; cat /proc/$(pidof kded4)/environ |tr '\0' '\n'|grep DBUS_SESSION_BUS_ADDRESS); qdbus org.kde.kded" | grep -q powerdevil) ; then
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# Get out as the power manager that is running will take care of things.
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exit
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fi
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# No power managment system appears to be running. Just initiate a plain
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# shutdown.
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/sbin/shutdown -h now "Power button pressed"
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