| #! /bin/sh |
| # |
| # Laptop mode tools module: control X display standby / suspend / off using DPMS |
| # |
| |
| # getXuser gets the X user belonging to the display in $displaynum. |
| # (This code was borrowed from the Debian acpi-support package.) |
| getXuser() { |
| user=`w -hs | awk '{ if ($3 == ":'$displaynum'" || $3 ~ /:'$displaynum'\..*/ || $2 == ":'$displaynum'" || $2 ~ /:'$displaynum'\..*/) { print $1; exit; } }'` |
| if [ x"$user" = x"" ]; then |
| startx=`pgrep -n startx` |
| if [ x"$startx" != x"" ]; then |
| user=`ps -o user --no-headers $startx` |
| fi |
| fi |
| if [ x"$user" != x"" ]; then |
| userhome=`getent passwd $user | cut -d: -f6` |
| export XAUTHORITY=$userhome/.Xauthority |
| else |
| export XAUTHORITY="" |
| fi |
| export XUSER=$user |
| } |
| |
| |
| # Set X screen standby/suspend/powerdown timing |
| if [ x$CONTROL_DPMS_STANDBY = x1 ] ; then |
| if [ $ON_AC -eq 1 ]; then |
| if [ "$ACTIVATE" -eq 1 ]; then |
| STANDBY="$LM_AC_DPMS_STANDBY" |
| SUSPEND=$(($STANDBY+30)) |
| OFF=$(($STANDBY+60)) |
| else |
| STANDBY="$NOLM_AC_DPMS_STANDBY" |
| SUSPEND=$(($STANDBY+300)) |
| OFF=$(($STANDBY+600)) |
| fi |
| else |
| STANDBY="$BATT_DPMS_STANDBY" |
| SUSPEND=$(($STANDBY+30)) |
| OFF=$(($STANDBY+60)) |
| fi |
| |
| # Loop through all X servers using their unix domain sockets. |
| # (Partly borrowed from the Debian acpi-support package.) |
| for x in /tmp/.X11-unix/*; do |
| if [ -e "$x" ] ; then |
| displaynum=`echo $x | sed -r 's#/tmp/.X11-unix/X([0-9]*)$#\1#'` |
| log "VERBOSE" "Determining Xauthority for display $displaynum" |
| getXuser; |
| if [ x"$XAUTHORITY" != x"" ]; then |
| export DISPLAY=":$displaynum" |
| if su $XUSER -c "xset dpms $STANDBY $SUSPEND $OFF" 2>> $OUTPUT | grep -q display 2>&1 ; then |
| log "VERBOSE" "Unable to set DPMS timeouts: X is not running on $DISPLAY" |
| else |
| log "VERBOSE" "Set screen $DISPLAY for the user $XUSER to standby in $STANDBY s, suspend in $SUSPEND s, powerdown in $OFF s using Xauthority $XAUTHORITY" |
| fi |
| else |
| log "VERBOSE" "Unable to determine Xauthority for display :$displaynum." |
| fi |
| fi |
| done |
| else |
| log "VERBOSE" "CONTROL_DPMS_STANDBY is disabled, skipping..." |
| fi |
| |
