lenovo-x220-linuxacpi/etc/acpi/actions/btn-vga.sh

   1 #! /bin/sh
   2
   3 . /usr/local/bin/getXenv.inc
   4 getXconsole
   5
   6 STATEFILE="/var/run/vgastate"
   7 LVDS1_defaultmode="1366x768"
   8
   9 function vgaoff
  10 {
  11         logger "Turn external video off, putting LVDS1 to standard setup"
  12         xrandr --output VGA1 --off \
  13                 --output HDMI2 --off \
  14                 --output LVDS1 --primary --mode $LVDS1_defaultmode --scale 1x1
  15         echo "vgaoff" > $STATEFILE
  16 }
  17
  18 function vgamirror
  19 {
  20         logger "Mirror LVDS1 to $1"
  21         xrandr --output $1 --primary --auto \
  22                 --output LVDS1 --mode 1024x768 --same-as VGA1
  23         echo "vgamirror" > $STATEFILE
  24 }
  25
  26 function vgarightof
  27 {
  28         logger "Putting $1 right of of LVDS1"
  29         xrandr --output LVDS1 --primary --auto --mode $LVDS1_defaultmode \
  30                 --output $1 --auto --right-of LVDS1
  31         echo "vgarightof" > $STATEFILE
  32 }
  33
  34 function vgaleftof
  35 {
  36         logger "Putting $1 left of of LVDS1"
  37         xrandr --output LVDS1 --primary --auto --mode $LVDS1_defaultmode \
  38                 --output $1 --auto --left-of LVDS1
  39         echo "vgaleftof" > $STATEFILE
  40 }
  41
  42
  43 extconn=""
  44 xrandr | grep "VGA1 connected" && extconn="VGA1"
  45 xrandr | grep "HDMI2 connected" && extconn="HDMI2"
  46
  47 if [ -n "$extconn" ]; then
  48         case `cat $STATEFILE 2> /dev/null` in
  49
  50                 vgarightof)
  51                         vgaleftof $extconn
  52                         exit 0
  53                 ;;
  54
  55                 vgaleftof)
  56                         vgamirror $extconn
  57                         exit 0
  58                 ;;
  59
  60
  61                 vgamirror)
  62                         vgaoff
  63                         exit 0
  64                 ;;
  65
  66                 *)
  67                         vgarightof $extconn
  68                         exit 0
  69                 ;;
  70         esac
  71 else
  72         vgaoff
  73 fi