# $Id$

provide basic-video

# todo monitor gfxcard
helper_graphic_add_configs()
{
	local path="$1"
	local conf

	# exit ERR if path does not exist
	[[ ! -d ${path} ]] && return 1

	for conf in $(find "${path}" -mindepth 1 -maxdepth 1 -type f -name \*.conf | sort)
	do
		cat "${conf}" >> "${CONFIG}"
	done
}

# everything from xorg conf but inputdevices. they are handled properly trough udev!
helper_graphic_rebuild_xorg_conf_d()
{
	local CONFIG
	local conf

	# rebuild 25-gfxcard.conf
	# always clear the config
	CONFIG="/etc/X11/xorg.conf.d/25-device.conf"
	clearconfig
	# but only add lines if some values are found in config.d dir
	if path_not_empty ${MCORE_CONFIG_PATH}/xorg/device
	then
		addconfig 'Section "Device"'
		helper_graphic_add_configs ${MCORE_CONFIG_PATH}/xorg/device
		addconfig 'EndSection'
	fi

	# rebuild 25-module.conf
	# always clear the config
	CONFIG="/etc/X11/xorg.conf.d/25-module.conf"
	clearconfig
	# but only add lines if some values are found in config.d dir
	if path_not_empty ${MCORE_CONFIG_PATH}/xorg/module
	then
		addconfig 'Section "Module"'
		helper_graphic_add_configs ${MCORE_CONFIG_PATH}/xorg/module
		addconfig 'EndSection'
	fi

	# rebuild 25-screen.conf
	# always clear the config
	CONFIG="/etc/X11/xorg.conf.d/25-screen.conf"
	clearconfig
	# but only add lines if some values are found in config.d dir
	if path_not_empty ${MCORE_CONFIG_PATH}/xorg/screen
	then
		addconfig 'Section "Screen"'
		addconfig '	Identifier	"Screen0"'
		addconfig '	Monitor		"Monitor0"'
		helper_graphic_add_configs ${MCORE_CONFIG_PATH}/xorg/screen
		addconfig 'EndSection'
	fi
}

help_graphic_resolution()
{
	mecho "set graphic.resolution [resolution]"
	mecho " 800x600, 1024x768, 1280x1024 etc"
}

help_graphic_refresh()
{
	mecho "set graphic.refresh [refresh rate]"
	mecho "  60, 100 - all values are Hz"
}

help_graphic_depth()
{
	mecho "set graphic.depth [color-depth]"
	mecho "  1, 4, 8, 15, 16, 24 - all values are bits"
}

help_graphic_driver()
{
	mecho "get graphic.driver [action]"
	mecho " Shows current selected or system available graphic drivers."
	mecho " Available actions:"
	mecho "   system  - show available drivers on the system"
	mecho "   current - shows the current selected driver used by Xorg"
	mecho
	mecho "set graphic.driver [driver]"
	mecho " Selects the graphic card driver used by Xorg."
}

# set_graphic_resolution ${value}
set_graphic_resolution()
{
	local resolution="$1"
	local CONFIG
	local depth
	[[ -z ${resolution} ]] && help_graphic_resolution && return 1

	CONFIG="${MCORE_CONFIG_PATH}/xorg/screen/20-resolution.conf"
	clearconfig
	# do it for all supported color depth
	for depth in 1 4 8 15 16 24
	do
		addconfig '	SubSection "Display"'
		addconfig "		Depth	${depth}"
		addconfig "		Modes	\"${resolution}\""
		addconfig '		ViewPort 0 0'
		addconfig '	EndSubSection'
	done

	if pidof X
	then
		x11runas "xrandr --size ${resolution}"
	fi

	helper_graphic_rebuild_xorg_conf_d
}

# set_graphic_depth ${value}
set_graphic_depth()
{
	local depth="$1"
	local CONFIG
	[[ -z ${depth} ]] && help_graphic_depth && return 1

	# do it only for supported color depths
	case "${depth}" in
		1|4|8|15|16|24)
			CONFIG="${MCORE_CONFIG_PATH}/xorg/screen/10-depth.conf"
			clearconfig
			addconfig "	DefaultDepth	${depth}"
			;;
		*) help_graphic_depth && return 1 ;;
	esac

# 	if pidof X
# 	then
# 		x11runas "xrandr --size ${value}"
# 	fi

	helper_graphic_rebuild_xorg_conf_d
	mecho "X11 restart required!"
}

# set_graphic_refresh ${value}
set_graphic_refresh()
{
	local value="$1"
	[[ -z ${value} ]] && help_graphic_refresh && return 1

	#echo "${value}" > ${SETTINGSPATH}/xorg/refresh

	if pidof X
	then
		x11runas "xrandr --refresh ${value}"
	fi

	helper_graphic_rebuild_xorg_conf_d
}

set_graphic_driver()
{
	local driver="$1"
	local driverdir="/usr/lib/xorg/modules/drivers"
	local CONFIG
	[[ -z ${driver} ]] && help_graphic_driver && return 1

	if [[ -f ${driverdir}/${driver}_drv.so ]]
	then
		CONFIG="${MCORE_CONFIG_PATH}/xorg/device/25-device.conf"
		clearconfig
		addconfig "	Identifier \"Card0\""
		addconfig "	Driver	\"${driver}\""

		helper_graphic_rebuild_xorg_conf_d
		mecho "X11 restart required!"
	else
		eecho "Driver '${driver}' does not exist on this system. Aborted!"
	fi
}

get_graphic_driver()
{
	local action="$1"
	local driverdir="/usr/lib/xorg/modules/drivers"
	local driver
	local config="${MCORE_CONFIG_PATH}/xorg/device/25-device.conf"
	local i

	case "${action}" in
		current)
			if [[ -f ${config} ]]
			then
				driver=$(grep Driver "${config}" | sed 's:.*Driver.*\"\(.*\)\":\1:')
				mecho "${driver}"
			else
				mecho "none"
			fi
			;;
		system)
			for i in $(find ${driverdir} -mindepth 1 -maxdepth 1 -type f | sort)
			do
				driver="${driver} $(basename ${i} _drv.so)"
			done
			mecho "${driver}"
			;;
		*)
			help_graphic_driver
			return 1
			;;
	esac
}