# File lib/luck/listbox.rb, line 44
  def line_height line
    lines = 0
    
    line = line.to_s
    line = "##. #{line}" if @numbering
    length = line.size
    return 1 if length < 1
    offset = 0
    while offset < length
      lines += 1
      offset += width - ((offset > 0) ? @hanging_indent : 0)
    end
    
    lines
  end