#!/bin/bash
# Copyright (C) 2008 Nayanajit Mahendra Laxaman mail: nmlaxaman@gmail.com

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#input format
#:1 -auth /var/lib/gdm/:1.Xauth -nolisten tcp vt8

LOG=/tmp/duauto.log
export DISPLAY=:0
export XAUTHORITY="/var/lib/gdm/:0.Xauth"
echo $DISPLAY >> $LOG
echo $XAUTHORITY >> $LOG

PARAMS=$@
echo $PARAMS >> $LOG

keyboards=( echo $(ls -l /dev/input/by-path/ | grep -event- | grep kbd | awk -F '../' {'print $2'}) )
mouses=( echo $(ls -l /dev/input/by-path/ | grep -event- | grep mouse | awk -F '../' {'print $2'}) )

pkeyboards=($(ls /dev/input/by-path/ | grep -event- | grep kbd ))
pmouses=($(ls /dev/input/by-path/ | grep -event- | grep mouse ))

keyboards=$pkeyboards
mouses=$pmouses


kbd1=${keyboards[1]}
kbd2=${keyboards[2]}

mouse1=${mouses[1]}
mouse2=${mouses[2]}

screen1="1440x900@0+0+0"
screen2="1440x900@0+1440+0"

ac1=1
ac2=2

#PARAMS="dpms -switchCmd echo -2button -nozap -br $PARAMS"
PARAMS="dpms -nozap -br $PARAMS"

command=

if [[ $1 == :1 ]]; then
command="/usr/bin/Xephyr -ac :$ac1 -screen $screen1 -keybd evdev,,device=/dev/input/$kbd1,xkbrules=xorg,xkbmodel=evdev,xkblayout=us,CoreKeyboard -mouse evdev,,device=/dev/input/$mouse1,Emulate3Buttons=true,CorePointer $PARAMS"
fi

if [[ $1 == :2 ]]; then
command="/usr/bin/Xephyr -ac :$ac2 -screen $screen2 -keybd evdev,,device=/dev/input/$kbd2,xkbrules=xorg,xkbmodel=evdev,xkblayout=us,CoreKeyboard -mouse evdev,,device=/dev/input/$mouse2,Emulate3Buttons=true,CorePointer $PARAMS"
fi

echo $command >> $LOG
echo '<<>>' >> $LOG
exec $command