diff options
| -rw-r--r-- | README.md | 3 | ||||
| -rwxr-xr-x | autorotate.sh | 66 |
2 files changed, 69 insertions, 0 deletions
diff --git a/README.md b/README.md new file mode 100644 index 0000000..8ca9562 --- /dev/null +++ b/README.md @@ -0,0 +1,3 @@ +This is a simple shell script that monitors the Linux IIO acceleromter for +device rotation, then rotates the screen and touch inputs accordingly. It was +developed and tested on a ThinkPad Yoga 12 (2nd generation). diff --git a/autorotate.sh b/autorotate.sh new file mode 100755 index 0000000..bf69b73 --- /dev/null +++ b/autorotate.sh @@ -0,0 +1,66 @@ +#!/bin/sh + +### TODO: These should be automatically identified +touchpad='PS/2 Synaptics TouchPad' +touchdev='SYNAPTICS Synaptics Touch Digitizer V04' + +# Global variables +CURRENT='normal' +GRAV=$(echo 7.0 / $(head -n1 /sys/bus/iio/devices/iio:device*/in_accel_scale) | bc) + +rotatetouch() { + # For some reason, xrandr causes the touch device to disappear briefly. + # This loop waits for it to come back. + while ! xinput --list | grep -q "$touchdev"; do :; done + xinput set-float-prop "$touchdev" 'Coordinate Transformation Matrix' $* +} + +rotatewacom() { + ### FIXME: the byte range (38-40) will probably break at some point + for dev in $(xsetwacom --list devices | cut -b 38-40); do + xsetwacom set "$dev" rotate $1 + done +} + +check_orientation() { + XRAW=$(head -n1 /sys/bus/iio/devices/iio:device*/in_accel_x_raw) + YRAW=$(head -n1 /sys/bus/iio/devices/iio:device*/in_accel_y_raw) + + if [ $CURRENT != 'normal' ] && [ $YRAW -le -$GRAV ]; then + CURRENT='normal' + xrandr -o normal + rotatetouch 1 0 0 0 1 0 0 0 1 + rotatewacom none + ### FIXME: There should be a separate script to enable/disable touchpad on folding events + xinput enable "$touchpad" + fi + + if [ $CURRENT != 'inverse' ] && [ $YRAW -ge $GRAV ]; then + CURRENT='inverse' + xrandr -o inverted + rotatetouch -1 0 1 0 -1 1 0 0 1 + rotatewacom half + xinput disable "$touchpad" + fi + + if [ $CURRENT != 'left' ] && [ $XRAW -ge $GRAV ]; then + CURRENT='left' + xrandr -o left + rotatetouch 0 -1 1 1 0 0 0 0 1 + rotatewacom ccw + xinput disable "$touchpad" + fi + + if [ $CURRENT != 'right' ] && [ $XRAW -le -$GRAV ]; then + CURRENT='right' + xrandr -o right + rotatetouch 0 1 0 -1 0 1 0 0 1 + rotatewacom cw + xinput disable "$touchpad" + fi +} + +while true; do + check_orientation + sleep 1 +done |