gtk-application-window-show-menubar (object)

window -- a gtk-application-window widget
show -- a boolean whether to show a menubar when needed

Accessor of the show-menubar slot of the gtk-application-window class.

The gtk-application-window-show-menubar slot access function returns whether the window will display a menubar for the application menu and menubar as needed. The (setf gtk-application-window-show-menubar) slot access function sets whether the window will display a menubar.