#/bin/bash

#simple script to toggle secondary monitor output on or off
#uses dcop from KDE 3.5 to send notify info
#dcop messages are in Czech language
#for use with "Input actions" in KDE control center is recommended to set "Keyboard shortcut -> Command/URL (simple)" and then write to text box "URL/command to execute": bash /home/user/.local/bin/toggle_vga.sh
# ^^ without bash in text box it behaves as secondary output is disconnected

#configuration of selected outputs regarding to output of command "xrandr"
PRIMARY="DVI-I-1"
SECONDARY="VGA-0"
SECONDARY_MODE="1280x1024"

#check if xrandr is installed
if [ `which xrandr | wc -l` -gt 0 ] ;
then
#	echo "xrandr is ok"
#	dcop knotify default notify toggle_vga "VGA přepínač" "xrandr je nainstalovaný" '' '' 16 0

	#check if $SECONDARY output is connected
	if [ `xrandr | grep $SECONDARY | grep connected | wc -l` == 1 ] ;
	then
#		echo "$SECONDARY is connected"

		#check if $SECONDARY is enabled
		if [ `xrandr | grep $SECONDARY | grep connected | grep $SECONDARY_MODE | wc -l` == 1 ] ;
		then
#			echo "$SECONDARY is enabled with mode $SECONDARY_MODE"
			#disabling $SECONDARY
			dcop knotify default notify toggle_vga "VGA přepínač" "Vypínám výstup $SECONDARY" '' '' 16 0
			sleep 3
			xrandr --output $SECONDARY --off
		else
#			echo "$SECONDARY is disabled"
			#enabling $SECONDARY
			dcop knotify default notify toggle_vga "VGA přepínač" "Zapínám výstup $SECONDARY" '' '' 16 0
			sleep 3
			xrandr --output $SECONDARY --mode $SECONDARY_MODE --right-of $PRIMARY
		fi
	else
#		echo "$SECONDARY is not connected"
		dcop knotify default notify toggle_vga "VGA přepínač" "$SECONDARY je odpojeno" '' '' 16 0
	fi

else
#	echo "xrandr is not installed"
	dcop knotify default notify toggle_vga "VGA přepínač" "xrandr není nainstalovaný" '' '' 16 0
fi