-typedef struct _GtkMenu GtkMenu;
-typedef struct _GtkMenuBar GtkMenuBar;
-typedef struct _GtkMenuItem GtkMenuItem;
-typedef struct _GtkCheckMenuItem GtkCheckMenuItem;
-typedef struct _GtkRadioMenuItem GtkRadioMenuItem;
-typedef struct _GtkTearoffMenuItem GtkTearoffMenuItem;
-
-void menu_add_item( GtkMenu* menu, GtkMenuItem* item );
-GtkMenuItem* menu_separator( GtkMenu* menu );
-GtkTearoffMenuItem* menu_tearoff( GtkMenu* menu );
-GtkMenuItem* new_sub_menu_item_with_mnemonic( const char* mnemonic );
-GtkMenu* create_sub_menu_with_mnemonic( GtkMenuBar* bar, const char* mnemonic );
-GtkMenu* create_sub_menu_with_mnemonic( GtkMenu* parent, const char* mnemonic );
-GtkMenuItem* create_menu_item_with_mnemonic( GtkMenu* menu, const char* mnemonic, const Callback& callback );
-GtkCheckMenuItem* create_check_menu_item_with_mnemonic( GtkMenu* menu, const char* mnemonic, const Callback& callback );
-GtkRadioMenuItem* create_radio_menu_item_with_mnemonic( GtkMenu* menu, GSList** group, const char* mnemonic, const Callback& callback );
+
+void menu_add_item( ui::Menu menu, ui::MenuItem item );
+ui::MenuItem menu_separator( ui::Menu menu );
+ui::TearoffMenuItem menu_tearoff( ui::Menu menu );
+ui::MenuItem new_sub_menu_item_with_mnemonic( const char* mnemonic );
+ui::Menu create_sub_menu_with_mnemonic( ui::MenuBar bar, const char* mnemonic );
+ui::Menu create_sub_menu_with_mnemonic( ui::Menu parent, const char* mnemonic );
+ui::MenuItem create_menu_item_with_mnemonic( ui::Menu menu, const char* mnemonic, const Callback& callback );
+ui::CheckMenuItem create_check_menu_item_with_mnemonic( ui::Menu menu, const char* mnemonic, const Callback& callback );
+ui::RadioMenuItem create_radio_menu_item_with_mnemonic( ui::Menu menu, GSList** group, const char* mnemonic, const Callback& callback );