dotfiles/.config/i3/monitor-rotate.sh

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2019-07-20 12:14:25 +02:00
#!/bin/bash
# Auto rotate screen based on device orientation
# Screen orientation and launcher location is set based upon accelerometer position
# This script should be added to startup applications for the user
if [ -n "${DEBUG+set}" ]; then echo debug on; DEBUG=1; fi
### configuration
# find your Touchscreen and Touchpad device with `xinput`
TouchscreenDevice='ELAN Touchscreen'
TouchpadDevice='SynPS/2 Synaptics TouchPad'
KeyboardDevice='AT Translated Set 2 keyboard'
### arguments
if [ "$1" == '-nosd' ]; then NOSD="true" ; fi
### functions
rotatescreen() {
# Contributors: Ruben Barkow: https://gist.github.com/rubo77/daa262e0229f6e398766
touchpadEnabled=$(xinput --list-props "$TouchpadDevice" | awk '/Device Enabled/{print $NF}')
screenMatrix=$(xinput --list-props "$TouchscreenDevice" | awk '/Coordinate Transformation Matrix/{print $5$6$7$8$9$10$11$12$NF}')
# Matrix for rotation
# ⎡ 1 0 0 ⎤
# ⎜ 0 1 0 ⎥
# ⎣ 0 0 1 ⎦
normal='1 0 0 0 1 0 0 0 1'
normal_float='1.000000,0.000000,0.000000,0.000000,1.000000,0.000000,0.000000,0.000000,1.000000'
#⎡ -1 0 1 ⎤
#⎜ 0 -1 1 ⎥
#⎣ 0 0 1 ⎦
inverted='-1 0 1 0 -1 1 0 0 1'
inverted_float='-1.000000,0.000000,1.000000,0.000000,-1.000000,1.000000,0.000000,0.000000,1.000000'
# 90° to the left
# ⎡ 0 -1 1 ⎤
# ⎜ 1 0 0 ⎥
# ⎣ 0 0 1 ⎦
left='0 -1 1 1 0 0 0 0 1'
left_float='0.000000,-1.000000,1.000000,1.000000,0.000000,0.000000,0.000000,0.000000,1.000000'
# 90° to the right
#⎡ 0 1 0 ⎤
#⎜ -1 0 1 ⎥
#⎣ 0 0 1 ⎦
right='0 1 0 -1 0 1 0 0 1'
if [ "$1" == "-u" ]; then
echo "Upside down"
xrandr -o inverted
xinput set-prop "$TouchscreenDevice" 'Coordinate Transformation Matrix' $inverted
xinput disable "$TouchpadDevice"
xinput disable "$KeyboardDevice"
# if onboard isn't running and NOSD != true, start it
if [[ "$NOSD" != "true" ]]; then
[[ `pgrep onboard` ]] || onboard 2>/dev/null &
fi
elif [ "$1" == "-l" ]; then
echo "90° to the left"
xrandr -o left
xinput set-prop "$TouchscreenDevice" 'Coordinate Transformation Matrix' $left
xinput disable "$TouchpadDevice"
xinput disable "$KeyboardDevice"
if [[ "$NOSD" != "true" ]]; then
[[ `pgrep onboard` ]] || onboard 2>/dev/null &
fi
elif [ "$1" == "-r" ]; then
echo "90° right up"
xrandr -o right
xinput set-prop "$TouchscreenDevice" 'Coordinate Transformation Matrix' $right
xinput disable "$TouchpadDevice"
xinput disable "$KeyboardDevice"
if [[ "$NOSD" != "true" ]]; then
[[ `pgrep onboard` ]] || onboard 2>/dev/null &
fi
elif [ "$1" == "-n" ]; then
echo "Back to normal"
xrandr -o normal
xinput set-prop "$TouchscreenDevice" 'Coordinate Transformation Matrix' $normal
xinput enable "$TouchpadDevice"
xinput enable "$KeyboardDevice"
killall -q onboard
fi
}
### dependencies
( command -v monitor-sensor >/dev/null 2>&1 ) || { echo >&2 "$0 requires monitor-sensor but it's not installed. Please install iio-sensor-proxy (https://github.com/hadess/iio-sensor-proxy)."; exit 1; }
( command -v xrandr >/dev/null 2>&1 ) || { echo >&2 "$0 requires xrandr but it's not installed. Aborting."; exit 1; }
# transparently disable onboard support if it's not installed
( command -v onboard >/dev/null 2>&1 ) || { echo >&2 "Not using onboard keyboard"; NOSD="true"; }
### main script
# check for running instance exit if exists
myname=$(basename $0)
runningPID=$(ps -ef | grep ".*bash.*$myname" | grep -v "grep \| $$" | awk '{print $2}')
if [[ $runningPID != "" ]] ; then
echo $myname is already running with PID $runningPID
exit
fi
killall -q -v monitor-sensor
LOG=/tmp/sensor.log
mkfifo $LOG
monitor-sensor > $LOG &
PID=$!
# kill monitor-sensor and rm log if this script exits
trap "[ ! -e /proc/$PID ] || kill $PID && rm -v $LOG" SIGHUP SIGINT SIGQUIT SIGTERM SIGPIPE
LASTORIENT='unset'
echo 'monitoring for screen rotation...'
while read -r; do
line=$(echo "$REPLY" | sed -E '/orient/!d;s/.*orient.*: ([a-z\-]*)\)??/\1/;' )
# read a line from the pipe, set var if not whitespace
[[ $line == *[^[:space:]]* ]] || continue
ORIENT=$line
if [[ "$ORIENT" != "$LASTORIENT" ]]; then
echo "$LASTORIENT > $ORIENT"
LASTORIENT=$ORIENT
# Set the actions to be taken for each possible orientation
case "$ORIENT" in
normal)
#rotatescreen -n;;
if [ $DEBUG ]; then echo "normal" ;else rotatescreen -n; fi ;;
bottom-up)
if [ $DEBUG ]; then echo "up" ;else rotatescreen -u; fi ;;
#rotatescreen -u;;
right-up)
if [ $DEBUG ]; then echo "right" ;else rotatescreen -r; fi ;;
#rotatescreen -r;;
left-up)
if [ $DEBUG ]; then echo "left" ;else rotatescreen -l; fi ;;
#rotatescreen -l;;
esac
fi
done < $LOG