GTK+ / Gnome Application Development . ... The GnomeApp Widget . Menus and Toolbars with GnomeUIInfo . ... This chapter describes Gnome's features for creating your application's main window, complete with menus and a toolbar. All Gnome applications, excluding a few with special needs, use the GnomeApp widget for their main window. GnomeApp is a subclass of GtkWindow ; it extends the basic toplevel window with convenient menu and toolbar handling. ... Figure 1. ... GnomeApp Constructor . ...