# File gnomecanvas/sample/canvas-features.rb, line 6
  def item_event(item, event)
    if (event.event_type != Gdk::Event::BUTTON_PRESS) || (event.button != 1)
      return
    end
    if (item.parent == @parent1)
      item.reparent(@parent2)
    else
      item.reparent(@parent1)
    end
  end