#!/bin/bash

# defaults:
GEOMETRY="1024x768"
XDISPLAY=":1"

# read parameters
KBDEVENT=$1; shift
MOUSEEVENT=$1; shift
KBDXINPUT=$1; shift
MOUSEXINPUT=$1; shift

if [ "$?" != "0" ]; then
    echo 'Usage: multiseatxephyr kbd_ev mouse_ev kbd_x mouse_x'
    echo ' where kbd_ev   = /dev/input/eventN (keyboard, look at /proc/bus/input/devices)'
    echo '       mouse_ev = /dev/input/eventN (mouse, ditto)'
    echo '       kbd_x    = N (keyboard, look at id= in xinput list)'
    echo '       mouse_x  = N (mouse, ditto)'
    exit
fi

function disable {
    xinput list-props "$1" | perl -ne 'if (/Device Enabled \((\d+)\):/){ print $1 }' | { read prop; xinput set-int-prop "$1" $prop 8 0; }
}

disable $KBDXINPUT
disable $MOUSEXINPUT

sudo Xephyr $XDISPLAY -audit 0 -ac -screen $GEOMETRY -keybd evdev,,device=$KBDEVENT -mouse evdev,,device=$MOUSEEVENT -dpi 96 -noreset -nolisten tcp &

sleep 2

export DISPLAY="$XDISPLAY"

setxkbmap \
    -model "pc105" \
    -layout "us,cz" \
    -variant "" \
    -rules "evdev" \
    -option "grp:switch" \
    -option "grp:alt_shift_toggle" \
    -option "grp_led:caps" \
    -option "terminate:ctrl_alt_bksp"

wait