Lenovo X220 Tablet rotation script (sets rotation, wacom rotation, subpixel rendering)

rotate.sh

#!/bin/bash

# Find the line in "xrandr -q --verbose" output that contains current screen orientation and "strip" out current orientation.

rotation="$(xrandr -q --verbose | grep 'connected' | egrep -o  '\) (normal|left|inverted|right) \(' | egrep -o '(normal|left|inverted|right)')"

# Find input devices to be rotated.
IFS=$'\n'
devices=("$(xinput --list --name-only | egrep '(Wacom)|(TrackPoint)')")

rotate() {
    xrandr -o $1
    for device in $devices; do
        xsetwacom set $device rotate $2
    done;
    gconftool-2 -s /desktop/gnome/font_rendering/rgba_order -t $3
}    

# Using current screen orientation proceed to rotate screen and input devices.

case "$rotation" in
    normal)
    # rotate to the left
    rotate left ccw vbgr
    ;;
    left)
    # rotate to inverted
    rotate inverted half bgr
    ;;
    inverted)
    # rotate to the right
    rotate right cw vrgb
    ;;
    right)
    # rotate to normal
    rotate normal none rgb
    ;;
esac