#!/bin/sh
# helper script for installing the required modules for touchscreen operation
# on a developer workstation

WHERE="/tmp/touchscreen"

if [ -f ./fetchtouchdrivers.sh ] ; then
	. ./fetchtouchdrivers.sh
	RC=${?}
	if [ ${RC} -gt 0 ] ; then
		echo "there was a problem fetching the touchscreen driver binaries from subversion"
		echo "please check failure output and try again."
		exit 1
	fi
else
	echo "huups... I'm unable to find the script './fetchtouchdrivers.sh'"
	echo "don't know how to handle this, I'm so sorry :("
fi

if [ -f ./touchscreen_driver.tgz ] ; then
	[ ! -d ${WHERE} ] && mkdir ${WHERE}
	cat ./touchscreen_driver.tgz | (cd ${WHERE}; tar -xzf -)
else
	if [ ! -d ${WHERE}/ -a -f /tmp/touchscreen_driver.tgz ] ; then
		mkdir ${WHERE}
		cd ${WHERE}
		tar -xzf /tmp/touchscreen_driver.tgz
	fi
fi

if [ -f ${WHERE}/utouch.ko -a -f ${WHERE}/utouch_drv.so ] ; then
	cp ${WHERE}/utouch.ko /boot/modules/utouch.ko || echo "utouch.ko failed to copy"
	cp ${WHERE}/utouch_drv.so /usr/local/lib/xorg/modules/input/utouch_drv.so || \
	  echo "utouch_drv.so failed to copy"
	[ -z '`grep -i utouch /boot/loader.conf | grep YES`' ] && \
	 echo "adding loader settings..." && \
	 echo 'utouch_load="YES"' >> /boot/loader.conf

	if [ -z '`grep -i touchscreen /etc/X11/xorg.conf`' ] ; then
		echo "adding X.Org settings..."
		[ ! -f /etc/X11/xorg.conf.notouch ] && cp /etc/X11/xorg.conf /etc/X11/xorg.conf.notouch
		# add xorg config
		cat << EOF >> /etc/X11/xorg.conf

Section "InputDevice"
	Identifier      "Touchscreen1"
	Driver	"utouch"
	Option	"Device"			"/dev/utouch0"
	Option	"SendDragEvents"	"true"
	Option	"DebugLevel"		"0"
	Option	"Threshold"			"20"
	Option	"FilterNear"		"4"
	Option	"FilterFar"			"0"
	Option	"FilterFirstPress"	"0"
	Option	"FilterRelease"		"True"
	Option	"Invert Y"			"True"
	Option	"Rotate"			"left"
	#Option	"Rotate"			"right"
	Option	"ConfigFile"		"/var/static/utouch.conf"
	Option	"Min X"				"400"
	Option	"Max X"				"1500"
	Option	"Min Y"				"900"
	Option	"Max Y"				"1600"
EndSection

EOF

		echo "we need to add Inputdevice Touchscreen1 to the serverlayout..."
		echo 'Please (manually) add the following to your "ServerLayout" configuration'
		echo ""
		echo 'InputDevice "Touchscreen1" "SendCoreEvents"'
	fi
	if [ -f ${WHERE}/xorg.conf ] ; then
		cp ${WHERE}/xorg.conf /etc/X11/xorg.conf.touchscreen.sample
		echo "a (working) sample configuration file has been provided as"
		echo "/etc/X11/xorg.conf.touchscreen.sample"
		echo "you may use that file to change your configuration"
	fi
	# should we remove ${WHERE} now? it's just a temporary work area
	#rm -r ${WHERE}
fi

echo "done!"