# $Header: /home/cvsd/alx-cvs/alx-src/alxconfig-ng/functions/config_x11.sh,v 1.9 2005-10-09 21:31:54 niro Exp $
# 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
}

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

	# setup displaymanager
	config_display_manager

	local xserver
	local xfconfig
	local HAS_VNC
	local HAS_REALVNC
	local HAS_TIGERVNC

	# xfree or xorg ?
	xserver="$(readlink /usr/X11R6/bin/X)"

	case ${xserver} in
		Xorg) xfconfig=/etc/X11/xorg.conf ;;
		XFree86) xfconfig=/etc/X11/XF86Config ;;
		*) echo "    Unkown xserver. aborting."; exit 1	;;
	esac

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

	if [ -f /usr/X11R6/lib/modules/extensions/vnc.so ]
	then
		HAS_REALVNC="yes"
	else
		HAS_REALVNC="no"
	fi

	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 ${COLOREDSTAR}"Using '${xserver}' as x11-server "

	# show if we have vnc
	if [[ ${HAS_VNC} = yes ]]
	then
		echo "with vnc enabled ..."
	elif [[ ${HAS_REALVNC} = yes ]]
	then
		echo "with realvnc enabled ..."
	elif [[ ${HAS_TIGERVNC} = yes ]]
	then
		echo "with tigervnc enabled ..."
	else
		echo "..."
	fi

	# create a new clear xfconfig file
	echo '# Generated with alxconfig-ng.' > ${xfconfig}
	echo '' >> ${xfconfig}

	# write modules
	echo '' >> ${xfconfig}
	echo 'Section "Module"' >> ${xfconfig}
	echo '    Load        "dbe"' >> ${xfconfig}
	echo '    SubSection  "extmod"' >> ${xfconfig}
	echo '      Option    "omit xfree86-dga"' >> ${xfconfig}
	echo '    EndSubSection' >> ${xfconfig}
	echo '    Load        "freetype"' >> ${xfconfig}
	echo '#    Load       "glx"' >> ${xfconfig}
	echo '    Load       "dri"' >> ${xfconfig}

	[[ ${HAS_VNC} = yes ]] && echo '    Load       "vnc"' >> ${xfconfig}
	[[ ${HAS_REALVNC} = yes ]] && echo '    Load       "vnc"' >> ${xfconfig}
	[[ ${HAS_TIGERVNC} = yes ]] && echo '    Load       "vnc"' >> ${xfconfig}

	echo 'EndSection' >> ${xfconfig}

	# fonts
	echo '' >> ${xfconfig}
	echo 'Section "Files"' >> ${xfconfig}

	case ${xserver} in
		Xorg)
			# only add existing font pathes
			[[ -f /usr/share/fonts/local/fonts.dir ]] && echo '    FontPath   "/usr/share/fonts/local/"' >> ${xfconfig}
			[[ -f /usr/share/fonts/misc/fonts.dir ]] && echo '    FontPath   "/usr/share/fonts/misc/"' >> ${xfconfig}
			[[ -f /usr/share/fonts/75dpi/fonts.dir ]] && echo '    FontPath   "/usr/share/fonts/75dpi/:unscaled"' >> ${xfconfig}
			[[ -f /usr/share/fonts/100dpi/fonts.dir ]] && echo '    FontPath   "/usr/share/fonts/100dpi/:unscaled"' >> ${xfconfig}
			[[ -f /usr/share/fonts/TrueType/fonts.dir ]] && echo '    FontPath   "/usr/share/fonts/TrueType/"' >> ${xfconfig}
			[[ -f /usr/share/fonts/freefont/fonts.dir ]] && echo '    FontPath   "/usr/share/fonts/freefont/"' >> ${xfconfig}
			[[ -f /usr/share/fonts/75dpi/fonts.dir ]] && echo '    FontPath   "/usr/share/fonts/75dpi/"' >> ${xfconfig}
			[[ -f /usr/share/fonts/100dpi/fonts.dir ]] && echo '    FontPath   "/usr/share/fonts/100dpi/"' >> ${xfconfig}
			;;
		XFree86)
			echo '    FontPath   "/usr/X11R6/lib/X11/fonts/local/"' >> ${xfconfig}
			echo '    FontPath   "/usr/X11R6/lib/X11/fonts/misc/"' >> ${xfconfig}
			echo '    FontPath   "/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"' >> ${xfconfig}
			echo '    FontPath   "/usr/X11R6/lib/X11/fonts/100dpi/:unscaled"' >> ${xfconfig}
			echo '    FontPath   "/usr/X11R6/lib/X11/fonts/TrueType/"' >> ${xfconfig}
			echo '    FontPath   "/usr/X11R6/lib/X11/fonts/freefont/"' >> ${xfconfig}
			echo '    FontPath   "/usr/X11R6/lib/X11/fonts/75dpi/"' >> ${xfconfig}
			echo '    FontPath   "/usr/X11R6/lib/X11/fonts/100dpi/"' >> ${xfconfig}
			;;
	esac

	echo 'EndSection' >> ${xfconfig}

	# server flags
	echo '' >> ${xfconfig}
	echo 'Section "ServerFlags"' >> ${xfconfig}
	echo '#    Option "DontVTSwitch"' >> ${xfconfig}
	echo '#    Option "DontZap"' >> ${xfconfig}
	echo '#    Option "Dont Zoom"' >> ${xfconfig}
	echo 'EndSection' >> ${xfconfig}

	# keyboard
	echo '' >> ${xfconfig}
	echo 'Section "InputDevice"' >> ${xfconfig}
	echo '    Identifier	"Keyboard1"' >> ${xfconfig}

	case ${xserver} in
		Xorg) echo '    Driver	"kbd"' >> ${xfconfig} ;;
		XFree86) echo '    Driver	"Keyboard"' >> ${xfconfig} ;;
	esac

	echo '    Option "AutoRepeat" "500 30"' >> ${xfconfig}
	echo '#    Option	"Xleds"      "1 2 3"' >> ${xfconfig}

	case ${xserver} in
		Xorg) echo '    Option "XkbRules"	"xorg"' >> ${xfconfig} ;;
		XFree86) echo '    Option "XkbRules"	"xfree86"' >> ${xfconfig} ;;
	esac

	echo '    Option "XkbModel"	"pc105"' >> ${xfconfig}
	echo '    Option "XkbLayout"	"de"' >> ${xfconfig}
	echo 'EndSection' >> ${xfconfig}

	# mouse
	echo '' >> ${xfconfig}
	echo 'Section "InputDevice"' >> ${xfconfig}
	echo '    Identifier	"Mouse1"' >> ${xfconfig}
	echo '    Driver	"mouse"' >> ${xfconfig}
	echo "    Option \"Protocol\"    \"${ALX_MOUSE}\"" >> ${xfconfig}

	local device
	case ${ALX_MOUSE} in
		IMPS/2|PS/2) device=/dev/psaux;;
		Auto) device=/dev/mouse;;
		*) device=/dev/mouse;;
	esac
	echo "    Option \"Device\"      \"${device}\"" >> ${xfconfig}

	[[ -z ${ALX_MOUSE_RESOLUTION} ]] && ALX_MOUSE_RESOLUTION="1200"
	echo "    Option \"Resolution\"	\"${ALX_MOUSE_RESOLUTION}\"" >> ${xfconfig}

	[[ ${ALX_MOUSE} = IMPS/2 ]] && echo '    Option "ZAxisMapping" "4 5"' >> ${xfconfig}

	echo 'EndSection' >> ${xfconfig}

	# vnc keyboard && mouse
	if [[ ${HAS_VNC} = yes ]]
	then
		echo '' >> ${xfconfig}
		echo 'Section "InputDevice"' >> ${xfconfig}
		echo '    Identifier "vncKeyboard"' >> ${xfconfig}
		echo '    Driver "rfbkeyb"' >> ${xfconfig}
		echo 'EndSection' >> ${xfconfig}

		echo '' >> ${xfconfig}
		echo 'Section "InputDevice"' >> ${xfconfig}
 		echo '    Identifier "vncMouse"' >> ${xfconfig}
 		echo '    Driver "rfbmouse"' >> ${xfconfig}
		echo 'EndSection' >> ${xfconfig}
	fi

	# monitor
	echo '' >> ${xfconfig}
	echo 'Section "Monitor"' >> ${xfconfig}
	echo '    Identifier  "Monitor0"' >> ${xfconfig}
	echo '    Option      "DPMS"' >> ${xfconfig}

	# 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"

		echo '' >> ${xfconfig}
		echo "    HorizSync ${hsync}"  >> ${xfconfig}
		echo "    VertRefresh ${vsync}"  >> ${xfconfig}
	fi

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

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

	# vnc server options
	if [[ ${HAS_VNC} = yes ]]
	then
		echo '' >> ${xfconfig}
		echo '    # rfb options' >> ${xfconfig}
		echo '    Option "rfbauth"     "/root/.vnc/passwd"' >> ${xfconfig}
		echo '    Option "rfbport"     "5900"' >> ${xfconfig}
		echo '    #Option "nevershared"' >> ${xfconfig}
		echo '    Option "alwaysshared"' >> ${xfconfig}
		echo '    Option "dontdisconnect"' >> ${xfconfig}
		echo '    Option "httpdir"     "/usr/share/vnc/classes"' >> ${xfconfig}
		echo '    Option "httpport"    "5800"' >> ${xfconfig}
		echo '    # Option "useraccept"' >> ${xfconfig}
		echo '    Option "usevnc"' >> ${xfconfig}
		echo '    # Option "localhost"' >> ${xfconfig}
		echo '    # Option "interface" "192.168.0.1"' >> ${xfconfig}
		echo '    # Option "viewonly"' >> ${xfconfig}
		echo '    # Option "loginauth"' >> ${xfconfig}
		echo '' >> ${xfconfig}
	fi

	echo 'EndSection' >> ${xfconfig}

	# screens
	echo '' >> ${xfconfig}
	echo 'Section "Screen"' >> ${xfconfig}
	echo '    Identifier  "Screen 1"' >> ${xfconfig}
	echo '    Device      "vga0"' >> ${xfconfig}
	echo '    Monitor     "Monitor0"' >> ${xfconfig}
	echo "    DefaultDepth ${ALX_DEPTH}" >> ${xfconfig}
	echo '    Subsection "Display"' >> ${xfconfig}
	echo "        Depth       ${ALX_DEPTH}" >> ${xfconfig}
	echo "        Modes       \"${ALX_RESOLUTION}\"" >> ${xfconfig}
	echo '        ViewPort    0 0' >> ${xfconfig}
	echo '    EndSubsection' >> ${xfconfig}

	if [[ ${HAS_REALVNC} = yes ]] || [[ ${HAS_TIGERVNC} = yes ]]
	then
		echo '    Option "SecurityTypes" "VncAuth"' >> ${xfconfig}
		echo '    Option "UserPasswdVerifier" "VncAuth"' >> ${xfconfig}
		echo '    Option "PasswordFile" "/root/.vnc/passwd"' >> ${xfconfig}
	fi
	echo 'EndSection' >> ${xfconfig}

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

	# load vnc keyboard && mouse
	if [[ ${HAS_VNC} = yes ]]
	then	
		echo '    InputDevice "vncMouse"    "ExtraPointer"' >> ${xfconfig}
		echo '    InputDevice "vncKeyboard" "ExtraKeyboard"' >> ${xfconfig}
	fi

	echo 'EndSection' >> ${xfconfig}

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