Sets the “add_tearoffs” property, which controls whether menus generated by this #GtkUIManager will have tearoff menu items.
Note that this only affects regular menus. Generated popup menus never have tearoff menu items.
whether tearoff menu items are added
Deprecated: Tearoff menus are deprecated and should not be used in newly written code.
2.4
See Implementation
Sets the “add_tearoffs” property, which controls whether menus generated by this #GtkUIManager will have tearoff menu items.
Note that this only affects regular menus. Generated popup menus never have tearoff menu items.