# $Id$
# 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}'")
	ALX_MOUSE_RESOLUTION=$(mysqldo "select mouse_resolution from cfg_input where serial='${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

	# setup xession
	sed -i "s:\(^GLOGIN=\).*:\1slim:" /etc/rc.config

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

clearconfig()
{
	local xfconfig="/etc/X11/xorg.conf"
	:> ${xfconfig}
}

addconfig()
{
	local value="$@"
	local xfconfig="/etc/X11/xorg.conf"

	echo "${value}" >> ${xfconfig}
}

config_x11()
{
	# get our settings from the db
	get_x11_settings

	# setup displaymanager
	config_display_manager

	local xserver=Xorg
	local HAS_TIGERVNC

	# 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

	# create a new clear xfconfig file
	clearconfig
	addconfig '# Generated with alxconfig-ng.'
	addconfig

	# write modules
	addconfig
	addconfig 'Section "Module"'
	addconfig '    Load        "dbe"'
	addconfig '    SubSection  "extmod"'
	addconfig '      Option    "omit xfree86-dga"'
	addconfig '    EndSubSection'
	addconfig '    Load        "freetype"'
	addconfig '#    Load       "glx"'
	addconfig '    Load       "dri"'

	[[ ${HAS_TIGERVNC} = yes ]] && addconfig '    Load       "vnc"'

	addconfig 'EndSection'

	# fonts
	addconfig
	addconfig 'Section "Files"'
	# only add existing font pathes
	[[ -f /usr/share/fonts/local/fonts.dir ]] && addconfig '    FontPath   "/usr/share/fonts/local/"'
	[[ -f /usr/share/fonts/misc/fonts.dir ]] && addconfig '    FontPath   "/usr/share/fonts/misc/"'
	[[ -f /usr/share/fonts/75dpi/fonts.dir ]] && addconfig '    FontPath   "/usr/share/fonts/75dpi/:unscaled"'
	[[ -f /usr/share/fonts/100dpi/fonts.dir ]] && addconfig '    FontPath   "/usr/share/fonts/100dpi/:unscaled"'
	[[ -f /usr/share/fonts/TrueType/fonts.dir ]] && addconfig '    FontPath   "/usr/share/fonts/TrueType/"'
	[[ -f /usr/share/fonts/freefont/fonts.dir ]] && addconfig '    FontPath   "/usr/share/fonts/freefont/"'
	[[ -f /usr/share/fonts/75dpi/fonts.dir ]] && addconfig '    FontPath   "/usr/share/fonts/75dpi/"'
	[[ -f /usr/share/fonts/100dpi/fonts.dir ]] && addconfig '    FontPath   "/usr/share/fonts/100dpi/"'
	addconfig 'EndSection'

	# server flags
	addconfig
	addconfig 'Section "ServerFlags"'
	addconfig '#    Option "DontVTSwitch"'
	addconfig '#    Option "DontZap"'
	addconfig '#    Option "Dont Zoom"'
	addconfig 'EndSection'

	# keyboard
	addconfig
	addconfig 'Section "InputDevice"'
	addconfig '    Identifier	"Keyboard1"'
	addconfig '    Driver	"kbd"'
	addconfig '    Option "AutoRepeat" "500 30"'
	addconfig '#    Option	"Xleds"      "1 2 3"'
	addconfig '    Option "XkbRules"	"xorg"'
	addconfig '    Option "XkbModel"	"pc105"'
	addconfig '    Option "XkbLayout"	"de"'
	addconfig 'EndSection'

	# mouse
	addconfig
	addconfig 'Section "InputDevice"'
	addconfig '    Identifier	"Mouse1"'
	addconfig '    Driver	"mouse"'
	addconfig "    Option \"Protocol\"    \"${ALX_MOUSE}\""
	local device
	case ${ALX_MOUSE} in
		IMPS/2|PS/2) device=/dev/psaux;;
		Auto) device=/dev/mouse;;
		*) device=/dev/mouse;;
	esac
	addconfig "    Option \"Device\"      \"${device}\""
	[[ -z ${ALX_MOUSE_RESOLUTION} ]] && ALX_MOUSE_RESOLUTION="1200"
	addconfig "    Option \"Resolution\"	\"${ALX_MOUSE_RESOLUTION}\""
	[[ ${ALX_MOUSE} = IMPS/2 ]] && addconfig '    Option "ZAxisMapping" "4 5"'
	addconfig 'EndSection' >> ${xfconfig}

	# monitor
	addconfig
	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'

	# vga
	addconfig
	addconfig 'Section "Device"'
	addconfig '    Identifier  "vga0"'
	# check for openchrome and use it if available
	if [[ ${ALX_MODULE} = via ]] && [ -f /usr/X11R6/lib/xorg/modules/drivers/openchrome_drv.so ]
	then
		ALX_MODULE="openchrome"
	fi
	addconfig "    Driver      \"${ALX_MODULE}\""
	addconfig 'EndSection'

	# screens
	addconfig
	addconfig 'Section "Screen"'
	addconfig '    Identifier  "Screen 1"'
	addconfig '    Device      "vga0"'
	addconfig '    Monitor     "Monitor0"'
	addconfig "    DefaultDepth ${ALX_DEPTH}"
	addconfig '    Subsection "Display"'
	addconfig "        Depth       ${ALX_DEPTH}"
	addconfig "        Modes       \"${ALX_RESOLUTION}\""
	addconfig '        ViewPort    0 0'
	addconfig '    EndSubsection'
	if [[ ${HAS_TIGERVNC} = yes ]]
	then
		addconfig '    Option "SecurityTypes" "VncAuth"'
		addconfig '    Option "UserPasswdVerifier" "VncAuth"'
		addconfig '    Option "PasswordFile" "/root/.vnc/passwd"'
	fi
	addconfig 'EndSection'

	# server layout
	addconfig
	addconfig 'Section "ServerLayout"' >> ${xfconfig}
	addconfig '    Identifier  "Simple Layout"' >> ${xfconfig}
	addconfig '    Screen "Screen 1"' >> ${xfconfig}
	addconfig '    InputDevice "Mouse1" "CorePointer"' >> ${xfconfig}
	addconfig '    InputDevice "Keyboard1" "CoreKeyboard"' >> ${xfconfig}
	addconfig 'EndSection' >> ${xfconfig}

	# dri
	addconfig
	addconfig 'Section "DRI"' >> ${xfconfig}
	addconfig '    Mode 0666' >> ${xfconfig}
	addconfig 'EndSection' >> ${xfconfig}
}