def update_display(cb, pool, params, plane, qwertz):
    """
    Draws everything.

    :param cb: Cursebox instance.
    :type cb: cursebox.Cursebox
    :param params: Current application parameters.
    :type params: params.Params
    :param plane: Plane containing the current Mandelbrot values.
    :type plane: plane.Plane
    :return:
    """
    cb.clear()
    draw_panel(cb, pool, params, plane)
    update_position(params)  # Update Mandelbrot-space coordinates before drawing them
    draw_menu(cb, params, qwertz)
    cb.refresh()
Draws everything.

    :param cb: Cursebox instance.
    :type cb: cursebox.Cursebox
    :param params: Current application parameters.
    :type params: params.Params
    :param plane: Plane containing the current Mandelbrot values.
    :type plane: plane.Plane
    :return: