#!/bin/bash
if [ -z "$1" ] ; then
   echo "Usage: doseat <displaynum>"
   echo "Reads /etc/multiseat/seat.<displaynum> file to set up seat"
   echo "file format is 'geometry:mousename:keyboardname'"
   echo "mousename and keyboard name are name of devices in /dev/input/by-id directory"
   echo "Geometry needs to include both screensize and offset"
   exit 1
fi

display=$1
seatnum=$(echo $display | tr -d :)
info=$(cat /etc/multiseat/seat.$seatnum)
geometry=$(echo $info | cut -d: -f1)
mousename=$(echo $info | cut -d: -f2)
kbname=$(echo $info | cut -d: -f3)

DISPLAY=:0 /usr/local/bin/xmessage.$seatnum -geometry $geometry "Seat #$seatnum" &
sleep 2
target=$(xwininfo -display :0 -name xmessage.$seatnum | grep 'Window id' | cut -d: -f3 | cut -d'"' -f1)
echo seatnum is $seatnum >> /var/log/doseat.log
echo geometry is $geometry >> /var/log/doseat.log
echo mousename is $mousename >> /var/log/doseat.log
echo kbname is $kbname >> /var/log/doseat.log
echo target is $target >> /var/log/doseat.log

DISPLAY=:0 Xephyr $display -ac -parent $target -mouse evdev,,device=/dev/input/by-id/$mousename -keybd evdev,,device=/dev/input/by-id/$kbname,xkbmodel=evdev,xkblayout=us,xkboptions="lv3:ralt_switch,compose:caps" -dpi 100

echo Xephyr for display $display done >> /var/log/doseat.log
killall xmessage.$seatnum