+class type gui =
+object
+
+ method setQuitCallback : (unit -> unit) -> unit
+
+ (** {2 Access to singleton instances of lower-level GTK widgets} *)
+
+ method about : MatitaGeneratedGui.aboutWin
+ method fileSel : MatitaGeneratedGui.fileSelectionWin
+ method main : MatitaGeneratedGui.mainWin
+ method findRepl : MatitaGeneratedGui.findReplWin
+(* method toolbar : MatitaGeneratedGui.toolBarWin *)
+
+ method console: console
+ method sourceView: GSourceView.source_view
+
+ (** {2 Dialogs instantiation}
+ * methods below create a new window on each invocation. You should
+ * remember to destroy windows after use *)
+
+ method newBrowserWin: unit -> browserWin
+ method newUriDialog: unit -> MatitaGeneratedGui.uriChoiceDialog
+ method newInterpDialog: unit -> MatitaGeneratedGui.interpChoiceDialog
+ method newConfirmationDialog: unit -> MatitaGeneratedGui.confirmationDialog
+ method newEmptyDialog: unit -> MatitaGeneratedGui.emptyDialog
+
+ (** {2 Utility methods} *)
+
+ (** ask the used to choose a file with the file chooser
+ * @param ok_not_exists if set to true returns also non existent files
+ * (useful for save). Defaults to false *)
+ method chooseFile: ?ok_not_exists:bool -> unit -> string option
+
+ (** prompt the user for a (multiline) text entry *)
+ method askText: ?title:string -> ?msg:string -> unit -> string option
+
+ method loadScript: string -> unit
+ method setStar: string -> bool -> unit