Kaba class GridPainter ed

class GridPainter

    # constructors
    func mut __init__(song: Song, cam: ViewPort, sel: SongSelection*, colors: ColorScheme)

    # functions
    func mut draw_bar_numbers(p: Painter)
    func mut draw_bars(p: Painter, partition: i32?)
    func mut draw_empty_background(p: Painter)
    func mut draw_time(p: Painter)
    func mut draw_time_numbers(p: Painter)
    func mut set_context(area: rect, col: GridColors)