# $Id$
# configures the x11 server on the host via mysql db settings

get_x11_settings()
{
	local x i all DB_X11SETTINGS
	# autodetect
	all=$(mysqldo "select module,
			resolution,
			depth,
			refresh_rate
		from cfg_graphic where serial='${ALX_SERIAL}'")

	# split'em up and put 'em in an array
	declare -i i=0
	for x in ${all}
	do
		DB_X11SETTINGS[${i}]="${x}"
		((i++))
	done

	# and now put them in usable var names and export them systemwide
	export ALX_MODULE="${DB_X11SETTINGS[0]:=NULL}"
	export ALX_RESOLUTION="${DB_X11SETTINGS[1]:=NULL}"
	export ALX_DEPTH="${DB_X11SETTINGS[2]:=NULL}"
	export ALX_REFRESH_RATE="${DB_X11SETTINGS[3]:=NULL}"

	# which input devices are we using ?
	ALX_MOUSE=$(mysqldo "select mouse from cfg_input where serial='${ALX_SERIAL}'")
	export ALX_MOUSE
}

config_display_manager()
{
	# setup slim
	cat ${ALX_SKELETONS}/slim/slim.conf > /etc/slim.conf
	sed -i "s:@@USERNAME@@:${ALX_UNPRIV_USER}:" /etc/slim.conf

	# windowmanager
	echo "exec startfluxbox" > ${ALX_UNPRIV_HOME}/.xinitrc
}

config_x11()
{
	local has_tigervnc
	local CONFIG

	# get our settings f2rom the db
	get_x11_settings

	# setup displaymanager
	config_display_manager

	# got we vnc support ?
	if [ -f /usr/X11R6/lib/xorg/modules/extensions/libvnc.so ]
	then
		has_tigervnc="yes"
	else
		has_tigervnc="no"
	fi

	# show which server we use
	echo -en ${COLOREDSTAR}"Configuring Xorg x11-server "

	# show if we have vnc
	if [[ ${has_tigervnc} = yes ]]
	then
		echo "with tigervnc enabled ..."
	else
		echo "..."
	fi

	# set_input_keyboard
	CONFIG="/etc/X11/xorg.conf.d/25-layout.conf"
	clearconfig
	addconfig 'Section "InputClass"'
	addconfig '	Identifier "keyboard layout"'
	addconfig '	MatchIsKeyboard "on"'
	addconfig '	Option "XkbLayout" "de"'
	addconfig 'EndSection'

	# graphic driver
	CONFIG="/etc/X11/xorg.conf.d/25-device.conf"
	clearconfig
	addconfig 'Section "Device"'
	addconfig '	Identifier "Card0"'
	addconfig "	Driver	\"${ALX_MODULE}\""
	addconfig 'EndSection'

	# vnc module
	if [[ ${has_tigervnc} = yes ]]
	then
		CONFIG="/etc/X11/xorg.conf.d/25-module.conf"
		clearconfig
		addconfig 'Section "Module"'
		addconfig '	Load vnc'
		addconfig 'EndSection'
	fi

	# monitor
	CONFIG="/etc/X11/xorg.conf.d/25-monitor.conf"
	clearconfig
	addconfig 'Section "Monitor"'
	addconfig '	Identifier "Monitor0"'
	addconfig '	Option     "DPMS"'

	# add hsync, vrefresh
	if [[ -x /sbin/ddcxinfo-knoppix ]]
	then
		local hsync="$(ddcxinfo-knoppix -hsync)"
		local vsync="$(ddcxinfo-knoppix -vsync)"
		# fallback
		[[ ${hsync} = 0-0 ]] && hsync="28-96"
		[[ ${vsync} = 0-0 ]] && vsync="50-60"
		
		addconfig
		addconfig "	HorizSync ${hsync}"
		addconfig "	VertRefresh ${vsync}"
	fi

	# add cvt modelines
	addconfig
	local cvt="/usr/X11R6/bin/cvt"
	local modeline
	modeline=$("${cvt}" "${ALX_RESOLUTION%x*}" "${ALX_RESOLUTION#*x}" "${ALX_REFRESH_RATE}" | sed -e 's:^:\t:g' -e 's:_.*\":\":')
	addconfig "${modeline}"
	# add ddcxinfo-knoppix modelines (fallback)
	if [[ -x /sbin/ddcxinfo-knoppix ]]
	then
		addconfig
		addconfig $(ddcxinfo-knoppix -modelines)
	fi
	addconfig 'EndSection'

	# screen
	CONFIG="/etc/X11/xorg.conf.d/25-screen.conf"
	clearconfig
	addconfig 'Section "Screen"'
	addconfig '	Identifier	"Screen0"'
	addconfig '	Monitor		"Monitor0"'
	addconfig "	DefaultDepth	${ALX_DEPTH}"
	addconfig '	SubSection "Display"'
	addconfig "		Depth	${ALX_DEPTH}"
	addconfig "		Modes	\"${ALX_RESOLUTION}\""
	addconfig '		ViewPort 0 0'
	addconfig '	EndSubSection'
	# vnc auth
	if [[ ${has_tigervnc} = yes ]]
	then
		addconfig '	Option "SecurityTypes" "VncAuth"'
		addconfig '	Option "UserPasswdVerifier" "VncAuth"'
		addconfig '	Option "PasswordFile" "/root/.vnc/passwd"'
	fi
	addconfig 'EndSection'

}