GtkTearoffMenuItem a menu item used to tear off and reattach its menu. a #GtkTearoffMenuItem is a special #GtkMenuItem which is used to tear off and reattach its menu. When its menu is shown normally, the #GtkTearoffMenuItem is drawn as a dotted line indicating that the menu can be torn off. Activating it causes its menu to be torn off and displayed in its own window as a tearoff menu. When its menu is shown as a tearoff menu, the #GtkTearoffMenuItem is drawn as a dotted line which has a left pointing arrow graphic indicating that the tearoff menu can be reattached. Activating it will erase the tearoff menu window. #GtkMenu for further discussion of menus in GTK. The #GtkTearoffMenuItem-struct struct contains private data only, and should be accessed using the functions below. Creates a new #GtkTearoffMenuItem. @Returns: a new #GtkTearoffMenuItem.