Rotate Thinkpad Yoga 12.5 on Ubuntu

toggle-screen.sh

#!/bin/bash
# Info:
# This is the laptop im talking about: http://shop.lenovo.com/us/en/laptops/thinkpad/yoga-series/yoga
# I'm running Ubuntu 12.04 with Gnome3
#
# The following script toggles the orientation of you screen between NORMAL and INVERTED
# You may bind this script to a key using xbindkeys or gnome-control-center keyboard preferences.


touchscreen='ELAN Touchscreen'
touchpad='SynPS/2 Synaptics TouchPad'
touchpadid=`xinput | grep "$touchpad" | grep -oP '(?<==)[0-9]+\s'`
orientation=`xrandr --properties | grep -oP '(?<=\s)\inverted(?=\s\()'`
#If $orientation is empty, it means it is on normal orientation

function screen_inverted(){
  xrandr -o inverted
  xinput set-prop "$touchscreen" 'Coordinate Transformation Matrix' -1 0 1 0 -1 1 0 0 1
  xinput set-prop $touchpadid 'Device Enabled' 0
  onboard &
}

function screen_normal(){
  xrandr -o normal
  xinput set-prop "$touchscreen" 'Coordinate Transformation Matrix' 1 0 0 0 1 0 0 0 1
  xinput set-prop $touchpadid 'Device Enabled' 1
  killall onboard
}

if [ -z "$orientation" ]; then
  # "Screen is in normal orientation"
  screen_inverted
else
  # "Screen is inverted"
  screen_normal
fi