i386-common/rotate.sh

   1 #Variables
   2 syntax_error=0
   3 orientation=0
   4
   5 #Detect the current orientation
   6 current_orientation="$(xrandr -q --verbose | grep 'connected' | egrep -o  '\) (normal|left|inverted|right) \(' | egrep -o '(normal|left|inverted|right)')"
   7 # 1=left, 2=inverted, 3=right, 0=normal
   8
   9 #Next orintation, rotate 90 degrees
  10 case $current_orientation in
  11         normal)
  12                 orientation=3
  13         ;;
  14         left)
  15                 orientation=0
  16         ;;
  17         inverted)
  18                 orientation=1
  19         ;;
  20         right)
  21                 orientation=2
  22         ;;
  23 esac
  24
  25 #Use the orientation if it is given
  26 if [ "$1." != "." ]; then
  27         orientation=$1
  28 fi
  29
  30 #Touchscreen input method
  31 method=evdev
  32
  33 #Detect input device id
  34 device=`xinput --list | grep Cando|awk '{ print $12 }' | awk -F '=' '{ print $2 }'`
  35
  36 #Default input settings (first 2 rows of a 3x3 rotation matrix)
  37 mata=1
  38 matb=0
  39 matc=0
  40 matd=0
  41 mate=1
  42 matf=0
  43
  44 #Work out the input settng for each orientatiom
  45 case $orientation in
  46         0)
  47                 mata=1
  48                 matb=0
  49                 matc=0
  50                 matd=0
  51                 mate=1
  52                 matf=0
  53         ;;
  54         1)
  55                 mata=0
  56                 matb=-1
  57                 matc=1
  58                 matd=1
  59                 mate=0
  60                 matf=0
  61         ;;
  62         2 )
  63                 mata=-1
  64                 matb=0
  65                 matc=1
  66                 matd=0
  67                 mate=-1
  68                 matf=1
  69         ;;
  70         3 )
  71                 mata=0
  72                 matb=1
  73                 matc=0
  74                 matd=-1
  75                 mate=0
  76                 matf=1
  77         ;;
  78 esac
  79
  80 #Set the touchscreen rotation
  81 if [ $method = "evdev" ]; then
  82         xinput set-prop "$device" "Coordinate Transformation Matrix" $mata $matb $matc $matd $mate $matf 0 0 1
  83 fi
  84
  85 #Set the screen rotation
  86 xrandr -o $orientation
  87