#!/bin/bash

# acpi_hotkeys_IBM_tp41
# Volker Lanz, www.volker-lanz.de
# based on:
# acpi_hotkeys_ASUS_M6842NW
# Manfred Tremmel, based on the script of Stefan Seyfried

DCOP=/opt/kde3/bin/dcop
RADEONTOOL=/usr/local/sbin/radeontool
POWERSAVE=/usr/bin/powersave
BLUETOOTH=/etc/init.d/bluetooth
IFUP=/sbin/ifup
IFDOWN=/sbin/ifdown

FN_F3=4099
FN_F4=4100
FN_F5=4101
FN_F7=4103
FN_F12=4108
LID_CLOSE=20481

. "/usr/lib/powersave/scripts/helper_functions"

export PATH=/bin:/usr/bin
MYNAME=${0##*/}

if [ $# -ne 3 ] ; then
	DEBUG "something wicked happened. number of arguments: $#, arguments: '$*'" ERROR
	exit 1
fi

run_on_xserver() 
{
	get_x_user
	su $X_USER -c "DISPLAY=$DISP $1"
}

TYPE=$1
set $3
EVENT=$1	# "ibm/hotkey"
ACPI=$2		# "HOTK"
WHAT=$3		# "00000080"
SERIAL=$4


if [ "$EVENT" != "ibm/hotkey" ]; then
	echo "non-hotkey-event: $TYPE $EVENT $ACPI $WHAT $SERIAL" | logger -t $MYNAME
	exit 0
fi

declare -i VAL
VAL=0x$SERIAL

case $VAL in
	$FN_F3)
		if $RADEONTOOL light | grep -q "looks off"; then
			echo 7 off > /proc/acpi/ibm/led
			$RADEONTOOL light on
		else
			echo 7 blink > /proc/acpi/ibm/led
			run_on_xserver "$DCOP kdesktop KScreensaverIface lock"
			$RADEONTOOL light off
		fi
	;;

	$FN_F4 | $LID_CLOSE)
		echo 7 blink > /proc/acpi/ibm/led
		$POWERSAVE -u
	;;

	$FN_F5)
		if grep -q disabled /proc/acpi/ibm/bluetooth; then
			echo enable > /proc/acpi/ibm/bluetooth
			$BLUETOOTH start
			$IFUP ath0
		else
			echo disable > /proc/acpi/ibm/bluetooth
			$BLUETOOTH stop
			$IFDOWN ath0
		fi
	;;

	$FN_F7)
		echo video_switch > /proc/acpi/ibm/video
	;;

	$FN_F12)
		echo 0 blink > /proc/acpi/ibm/led
		$POWERSAVE -U
	;;

	*)
		DEBUG "undefined hotkey: $VAL $TYPE $EVENT $ACPI $WHAT $SERIAL" DIAG
		exit 1
	;;

esac

exit 0