gtk:settings-gtk-shell-shows-menubar (object)

object -- a gtk:settings object
setting -- a boolean whether the environment is displaying the menubar

The accessor for the gtk-shell-shows-menubar slot gets or sets whether the desktop environment is displaying the menubar. Set to true if the desktop environment is displaying the menubar, false if the application should display it itself. This property is deprecated since 4.20. This setting is not relevant anymore.