X/getXenv.inc

   1 # Extracted from /etc/acpi/powerbtn.sh
   2
   3
   4 # Taken from Debian's 2.0.4-1 diff file.  This version handles KDE4.
   5 # Power Button event handler.
   6 # Checks to see if gnome or KDE are already handling the power button.
   7 # If not, initiates a plain shutdown.
   8
   9 # getXuser gets the X user belonging to the display in $displaynum.
  10 # If you want the foreground X user, use getXconsole!
  11 # Input:
  12 #   displaynum - X display number
  13 # Output:
  14 #   XUSER - the name of the user
  15 #   XAUTHORITY - full pathname of the user's .Xauthority file
  16 getXuser() {
  17         user=`pinky -fw | awk '{ if ($2 == ":'$displaynum'" || $(NF) == ":'$displaynum'" ) { print $1; exit; } }'`
  18         if [ x"$user" = x"" ]; then
  19                 startx=`pgrep -n startx`
  20                 if [ x"$startx" != x"" ]; then
  21                         user=`ps -o user --no-headers $startx`
  22                 fi
  23         fi
  24         if [ x"$user" != x"" ]; then
  25                 userhome=`getent passwd $user | cut -d: -f6`
  26                 export XAUTHORITY=$userhome/.Xauthority
  27         else
  28                 export XAUTHORITY=""
  29         fi
  30         export XUSER=$user
  31 }
  32
  33 # Gets the X display number for the active virtual terminal.
  34 # Output:
  35 #   DISPLAY - the X display number
  36 #   See getXuser()'s output.
  37 getXconsole() {
  38         console=`fgconsole`;
  39         displaynum=`ps t tty$console | sed -n -re 's,.*/X .*:([0-9]+).*,\1,p'`
  40         if [ x"$displaynum" != x"" ]; then
  41                 export DISPLAY=":$displaynum"
  42                 getXuser
  43         fi
  44 }