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

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 from the db
	evaluate_table cfg_graphic
	evaluate_table cfg_input

	# 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	\"${cfg_graphic_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}" "${cfg_graphic_resolution%x*}" "${cfg_graphic_resolution#*x}" "${cfg_graphic_refresh_rate}" | sed -e 's:^:\t:g' -e 's:_.*\":\":')
	addconfig "${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	${cfg_graphic_depth}"
	addconfig '	SubSection "Display"'
	addconfig "		Depth	${cfg_graphic_depth}"
	addconfig "		Modes	\"${cfg_graphic_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'
}