#enum GtkWindowType
#A GtkWindow can be one of these types.
#@https://developer.gnome.org/gtk3/3.2/gtk3-Standard-Enumerations.html#GtkWindowType
extern class GtkWindowType `{GtkWindowType`}
	#A regular window, such as a dialog
	new toplevel `{ return GTK_WINDOW_TOPLEVEL; `}

	#A special window such as a tooltip.
	new popup `{ return GTK_WINDOW_POPUP; `}
end