Method: MenuWindow#prev_item

Defined in:
lib/menu_window.rb

#prev_item(multiplier) ⇒ Object 



317
318
319
320
321
322
323
324
325
326
 
# File 'lib/menu_window.rb', line 317

def prev_item(multiplier)
  # move arrow, or change page
  new_index = @current_index - multiplier
  if new_index < 0
    new_index = 0
  end
  erase_arrow
  @current_index = new_index
  move_arrow_or_page
end