#!/bin/sh

conffile="/etc/X11/xorg.conf"

case "$1" in
	install)
		. /etc/init.d/rc.functions
		
		register_setting "XORG_OVERSCAN" "0" "set overscan (0-200)"
		#register_setting "XORG_DPI" "100" "set screen resulution (default ist 100)"
		
		modprobe nvidia || exit 2
		$0 uninstall
		if grep -q "Layout-MLD" $conffile; then
			{
			echo "# nvidia start"
			echo "Section \"Screen\""
			echo "  Identifier  \"Screen-nvidia\""
			echo "  Device      \"Device-nvidia\""
			echo "EndSection"
			echo "Section \"Device\""
			echo "  Identifier  \"Device-nvidia\""
			echo "  Driver      \"nvidia\""
			echo "  Option      \"DPI\" \"100x100\""
			echo "EndSection"
			echo "# nvidia end"
			} >> $conffile
			sed "s/\(^ *Identifier \+\"Layout-MLD\"\)/\1\n  Screen      \"Screen-nvidia\"/" -i $conffile
			sed "s/^#\( *Option \+\"Composite\" \+\"Disable\"\)/\1/" -i $conffile
		fi
		;;
	uninstall)
		sed "s/^\( *Option \+\"Composite\" \+\"Disable\"\)/#\1/" -i $conffile
		sed "/Screen \+\"Screen-nvidia\"/d" -i $conffile
		sed "/^# nvidia start$/,/^# nvidia end$/d" -i $conffile
		;;
	depend)
		echo xorg
		echo pango
		;;
	*)
		echo "Usage $0 {install | uninstall | depend}" >&2
		exit 1
esac