#include <gtk/gtk.h> struct GtkTearoffMenuItem; GtkWidget* gtk_tearoff_menu_item_new (void);
GtkObject +----GtkWidget +----GtkContainer +----GtkBin +----GtkItem +----GtkMenuItem +----GtkTearoffMenuItem
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.
The GtkTearoffMenuItem struct contains private data only, and should be accessed using the functions below.
for further discussion of menus in GTK.