snapshot

[helm.git] / helm / matita / matita.ml

diff --git a/helm/matita/matita.ml b/helm/matita/matita.ml
index 3c543d5c179a1602acb6b17b288d60a11bf0ef5a..28dee494728511a693ce7e6a9cb06cabb0ce276c 100644 (file)
--- a/helm/matita/matita.ml
+++ b/helm/matita/matita.ml
@@ -23,20 +23,22 @@
  * http://helm.cs.unibo.it/
  *)
 
+open Printf
+
 open MatitaGtkMisc
 
 (** {2 Internal status} *)
 
 let (get_proof, set_proof, has_proof) =
   let (current_proof: MatitaTypes.proof option ref) = ref None in
-  ((fun () ->
+  ((fun () -> (* get_proof *)
     match !current_proof with
     | Some proof -> proof
     | None -> failwith "No current proof"),
-   (fun proof ->  (* TODO Zack: this function should probably be smarter taking
-               care also of unregistering notifications subscriber and so on *)
-     current_proof := proof),
-   (fun () -> !current_proof <> None))
+   (fun proof ->  (* set_proof *)
+      current_proof := proof),
+   (fun () -> (* has_proof *)
+      !current_proof <> None))
 
 (** {2 Settings} *)
 
@@ -61,46 +63,99 @@ let disambiguator =
     ~chooseInterp:(interactive_interp_choice ~gui)
     ()
 let proof_viewer =
-  let mml_of_cic_object = BuildTimeConf.Transformer.mml_of_cic_object in
-(*
   let frame = GBin.frame ~packing:(gui#proof#scrolledProof#add) ~show:true () in
   MatitaMathView.proof_viewer ~show:true ~packing:(frame#add) ()
-*)
-  MatitaMathView.proof_viewer ~show:true ~packing:(gui#proof#scrolledProof#add) ()
-(*
-let sequent_viewer =
-  let mml_of_cic_sequent = BuildTimeConf.Transformer.mml_of_cic_sequent in
-  MatitaMathView.sequent_viewer ~mml_of_cic_sequent ~show:true
-    ~packing:(gui#main#scrolledSequents#add) ()
-*)
+let sequent_viewer = MatitaMathView.sequent_viewer ~show:true ()
 
 let new_proof (proof: MatitaTypes.proof) =
-  (* TODO Zack a lot:
-  * - ids_to_inner_types, ids_to_inner_sorts handling
-  * - sequent viewer notification
-  *)
   let xmldump_observer _ _ =  print_endline proof#toString in
   let proof_observer _ (status, metadata) =
     debug_print "proof_observer";
     let (acic, ids_to_terms, ids_to_father_ids, ids_to_inner_sorts,
         ids_to_inner_types, ids_to_conjectures, ids_to_hypotheses) =
-      metadata
+      (fst metadata)
     in
     let ((uri_opt, _, _, _), _) = status in
     let uri = MatitaTypes.unopt_uri uri_opt in
     debug_print "apply transformation";
     let mathml =
-      BuildTimeConf.Transformer.mml_of_cic_object
+      ApplyTransformation.mml_of_cic_object
         ~explode_all:true uri acic ids_to_inner_sorts ids_to_inner_types
     in
     if BuildTimeConf.debug then save_dom ~doc:mathml ~dest:"/tmp/matita.xml";
     proof_viewer#load_proof mathml metadata;
     debug_print "/proof_observer"
   in
+  let sequents_observer =
+    let pages = ref 0 in
+    let callback_id = ref None in
+    let mathmls = ref [] in
+    fun _ ((proof, goal_opt) as status, metadata) ->
+      debug_print "sequents_observer";
+      let notebook = gui#main#sequentsNotebook in
+      for i = 1 to !pages do
+        notebook#remove_page 0
+      done;
+      mathmls := [];
+      (match !callback_id with
+      | Some id -> GtkSignal.disconnect notebook#as_widget id
+      | None -> ());
+      if goal_opt <> None then begin
+        let sequents = snd metadata in
+        let sequents_no = List.length sequents in
+        debug_print (sprintf "sequents no: %d" sequents_no);
+        pages := sequents_no;
+        let widget = sequent_viewer#coerce in
+        List.iter
+          (fun (metano, (asequent, _, _, ids_to_inner_sorts, _)) ->
+            let tab_label =
+              (GMisc.label ~text:(sprintf "?%d" metano) ~show:true ())#coerce
+            in
+            notebook#append_page ~tab_label widget;
+            let mathml = lazy
+              (let content_sequent = Cic2content.map_sequent asequent in 
+              let pres_sequent = 
+                Sequent2pres.sequent2pres ~ids_to_inner_sorts content_sequent
+              in
+              let xmlpres = Box.document_of_box pres_sequent in
+              Xml2Gdome.document_of_xml Misc.domImpl xmlpres)
+            in
+            mathmls := (metano, mathml) :: !mathmls)
+          sequents;
+        mathmls := List.rev !mathmls;
+        let render_page page =
+          let (metano, mathml) = List.nth !mathmls page in
+          sequent_viewer#load_sequent (Lazy.force mathml) metadata metano
+        in
+        callback_id :=
+          (* TODO Zack the "#after" may probably be removed after Luca's fix for
+          * widget not loading documents before being realized *)
+          Some (notebook#connect#after#switch_page ~callback:(fun page ->
+            debug_print "switch_page callback";
+            render_page page));
+        (match goal_opt with
+        | Some goal ->  (* current goal available, go to corresponding page *)
+            let page = ref 0 in
+            (try
+              List.iter
+                (fun (metano, _) ->
+                  if (metano = goal) then raise Exit;
+                  incr page)
+                sequents;
+            with Exit ->
+              debug_print (sprintf "going to page %d" !page);
+              notebook#goto_page !page;
+              render_page !page)
+        | None -> ());
+      end;
+      debug_print "/sequents_observer"
+  in
   ignore (proof#attach_observer ~interested_in:StatefulProofEngine.all_events
-    xmldump_observer);
+      sequents_observer);
   ignore (proof#attach_observer ~interested_in:StatefulProofEngine.all_events
       proof_observer);
+  ignore (proof#attach_observer ~interested_in:StatefulProofEngine.all_events
+    xmldump_observer);
   proof#notify;
   set_proof (Some proof)
 
@@ -111,9 +166,12 @@ let quit () = (* quit program, asking for confirmation if needed *)
   then
     GMain.Main.quit ()
 
+let abort_proof () =
+  MatitaTypes.not_implemented "Matita.abort_proof"
+
 let proof_handler =
   { MatitaTypes.get_proof = get_proof;
-    MatitaTypes.set_proof = set_proof;
+    MatitaTypes.abort_proof = abort_proof;
     MatitaTypes.has_proof = has_proof;
     MatitaTypes.new_proof = new_proof;
     MatitaTypes.quit = quit;