+ (** multi selection gtkMathView which handle mactions and hyperlinks. Mactions
+ * are handled internally. Hyperlinks are handled by calling an user provided
+ * callback *)
+class type clickableMathView =
+ object
+ inherit GMathViewAux.multi_selection_math_view
+
+ (** set hyperlink callback. None disable hyperlink handling *)
+ method set_href_callback: (string -> unit) option -> unit
+ end
+
+class type sequentViewer =
+ object
+ inherit clickableMathView
+
+ (** @return the list of selected terms. Selections which are not terms are
+ * ignored *)
+ method get_selected_terms: Cic.term list
+
+ (** @return the list of selected hypothese. Selections which are not
+ * hypotheses are ignored *)
+ method get_selected_hypotheses: Cic.hypothesis list
+
+ (** load a sequent and render it into parent widget *)
+ method load_sequent: Cic.metasenv -> int -> unit
+ end
+
+class type sequentsViewer =
+ object
+ method reset: unit
+ method load_sequents: ProofEngineTypes.status -> unit
+ method goto_sequent: int -> unit (* to be called _after_ load_sequents *)
+ end
+
+exception Browser_failure of string
+
+class type cicBrowser =
+object
+ method load: MatitaTypes.mathViewer_entry -> unit
+ (* method loadList: string list -> MatitaTypes.mathViewer_entry -> unit *)
+ method loadInput: string -> unit
+end
+
+(** {2 Constructors} *)
+
+ (** meta constructor *)
+type 'widget constructor =
+ ?hadjustment:GData.adjustment ->
+ ?vadjustment:GData.adjustment ->
+ ?font_size:int ->
+ ?log_verbosity:int ->
+ ?width:int ->
+ ?height:int ->
+ ?packing:(GObj.widget -> unit) ->
+ ?show:bool ->