A gtk+ GUI (gtkdialog) to populate a playlist from ARGV[1] to pass to mplayer.

gtk_search

#!/bin/bash

# we search for multimedia using present tools...
locate -i $1 | grep '.mp3\|.wma' > PLAYLIST

#killall mplayer

[ -z $GTKDIALOG ] && GTKDIALOG=gtkdialog

# gtkdialog header
echo '<window title="gtkdialog test" width-request="400" height-request="280"> <vbox>
	 <list> <variable>LIST</variable>' > DIALOG

#feed the list
while read theline; do
	#ls "$theline";
	echo "<item>$theline</item>" >> DIALOG;
done < PLAYLIST

# gtkdialog footer

#<action signal="selection-changed">	echo "LIST=\"$LIST\" - selection-changed"</action>
#<action signal="button-press-event">	echo "$(killall mplayer) - button-press-event"	</action>
#<action signal="key-press-event">	echo $(mplayer -quiet "$LIST")" - key-press-event"</action>
echo '
</list>
	<hbox>
		<button cancel></button>
		<button ok></button>
		<button>
		<label>Click Me</label> 
		<action>
			echo "You choosed $LIST"
		</action>
		</button> 
	</hbox>
</vbox> </window>' >> DIALOG

case $2 in
	-d | --dump) echo "$DIALOG" ;;
	*) $GTKDIALOG -c -f DIALOG ;;
esac