Something
public text v1 · immutable$drawrect($muldiv(%_width%,8,100),4,$muldiv(%_width%,81,100),9,brushcolor-null pencolor-180-184-194)
$drawrect($add($muldiv(%_width%,8,100),2),6,$ifgreater($muldiv($sub($muldiv(%_width%,81,100),4),%playback_time_seconds%,%length_seconds%),0,$muldiv($sub($muldiv(%_width%,81,100),4),%playback_time_seconds%,%length_seconds%),1),5,brushcolor-240-240-240 pencolor-null)