snapshot, notably:

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

diff --git a/helm/matita/matitaMathView.ml b/helm/matita/matitaMathView.ml
index b83c9b37fa9abe3c21fc28bdae1b266581e021b7..d485ac02588c66e31510ed7a6d6fed2935122bb6 100644 (file)
--- a/helm/matita/matitaMathView.ml
+++ b/helm/matita/matitaMathView.ml
@@ -44,6 +44,25 @@ let list_map_fail f =
  in
   aux
 
+let choose_selection mmlwidget (element : Gdome.element option) =
+  let rec aux element =
+    if element#hasAttributeNS
+       ~namespaceURI:Misc.helmns
+       ~localName:(Gdome.domString "xref")
+    then
+      mmlwidget#set_selection (Some element)
+    else
+      try
+        match element#get_parentNode with
+        | None -> assert false
+        | Some p -> aux (new Gdome.element_of_node p)
+      with GdomeInit.DOMCastException _ ->
+        debug_print "trying to select above the document root"
+  in
+  match element with
+  | Some x -> aux x
+  | None   -> mmlwidget#set_selection None
+
 class proof_viewer obj =
  object(self)
 
@@ -59,11 +78,7 @@ class proof_viewer obj =
           prerr_endline (gdome_elt#get_nodeName#to_string);
           ignore (self#action_toggle gdome_elt)
       | None -> ()));
-      (* bugfix: until mapping gtkmathview doesn't draw anything *)
-    ignore (self#misc#connect#after#map (fun _ ->
-      match current_mathml with
-      | None -> ()
-      | Some mathml -> self#load_root ~root:mathml#get_documentElement))
+    ignore (self#connect#selection_changed (choose_selection self))
 
   method load_proof ((uri_opt, _, _, _) as proof, (goal_opt: int option)) =
     let (annobj, ids_to_terms, ids_to_father_ids, ids_to_inner_sorts,
@@ -76,8 +91,8 @@ class proof_viewer obj =
       ApplyTransformation.mml_of_cic_object ~explode_all:true
         (unopt_uri uri_opt) annobj ids_to_inner_sorts ids_to_inner_types
     in
-    debug_print "load_proof: dumping MathML to /tmp/proof";
-    ignore (Misc.domImpl#saveDocumentToFile ~name:"/tmp/proof" ~doc:mathml ());
+    debug_print "load_proof: dumping MathML to ./proof";
+    ignore (Misc.domImpl#saveDocumentToFile ~name:"./proof" ~doc:mathml ());
     match current_mathml with
     |  None ->
         self#load_root ~root:mathml#get_documentElement ;
@@ -93,6 +108,9 @@ class sequent_viewer obj =
 
   inherit GMathViewAux.multi_selection_math_view obj
 
+  initializer
+    ignore (self#connect#selection_changed (choose_selection self))
+
   val mutable current_infos = None
 
   method get_selected_terms =
@@ -147,14 +165,14 @@ class sequent_viewer obj =
       ApplyTransformation.mml_of_cic_sequent metasenv sequent
     in
     current_infos <- Some (ids_to_terms, ids_to_father_ids, ids_to_hypotheses);
-    debug_print "load_sequent: dumping MathML to /tmp/prova";
-    ignore (Misc.domImpl#saveDocumentToFile ~name:"/tmp/prova" ~doc:mathml ());
+    debug_print "load_sequent: dumping MathML to ./prova";
+    ignore (Misc.domImpl#saveDocumentToFile ~name:"./prova" ~doc:mathml ());
     self#load_root ~root:mathml#get_documentElement
  end
 
 
 class sequents_viewer ~(notebook:GPack.notebook)
-  ~(sequent_viewer:MatitaTypes.sequent_viewer) ~set_goal ()
+  ~(sequent_viewer:sequent_viewer) ~set_goal ()
 =
   let tab_label metano =
     (GMisc.label ~text:(sprintf "?%d" metano) ~show:true ())#coerce
@@ -187,7 +205,7 @@ class sequents_viewer ~(notebook:GPack.notebook)
       let win metano =
         let w =
           GBin.scrolled_window ~hpolicy:`AUTOMATIC ~vpolicy:`AUTOMATIC
-            ~show:true ()
+            ~shadow_type:`IN ~show:true ()
         in
         let reparent () =
           match sequent_viewer#misc#parent with
@@ -206,7 +224,7 @@ class sequents_viewer ~(notebook:GPack.notebook)
           notebook#append_page ~tab_label:(tab_label metano) (win metano))
         metasenv;
       switch_page_callback <-
-        Some (notebook#connect#after#switch_page ~callback:(fun page ->
+        Some (notebook#connect#switch_page ~callback:(fun page ->
           let goal =
             try
               List.assoc page page2goal
@@ -218,7 +236,8 @@ class sequents_viewer ~(notebook:GPack.notebook)
     method private render_page ~page ~goal =
       sequent_viewer#load_sequent _metasenv goal;
       try
-        List.assoc goal goal2win ()
+        List.assoc goal goal2win ();
+        sequent_viewer#set_selection None
       with Not_found -> assert false
 
     method goto_sequent goal =
@@ -228,7 +247,7 @@ class sequents_viewer ~(notebook:GPack.notebook)
         with Not_found -> assert false
       in
       notebook#goto_page page;
-      self#render_page page goal
+      self#render_page page goal;
 
   end
 
@@ -253,16 +272,32 @@ let proof_viewer ?hadjustment ?vadjustment ?font_size ?log_verbosity =
 let proof_viewer_instance =
   let instance = lazy (
     let gui = MatitaGui.instance () in
-    let frame =
-      GBin.frame ~packing:(gui#proof#scrolledProof#add_with_viewport)
-        ~show:true ()
-    in
-    proof_viewer ~show:true ~packing:(frame#add) ()
+    proof_viewer ~show:true ~packing:gui#proof#scrolledProof#add ()
   ) in
   fun () -> Lazy.force instance
 
 let sequents_viewer ~(notebook:GPack.notebook)
-  ~(sequent_viewer:MatitaTypes.sequent_viewer) ~set_goal ()
+  ~(sequent_viewer:sequent_viewer) ~set_goal ()
 =
   new sequents_viewer ~notebook ~sequent_viewer ~set_goal ()
 
+let check_widget =
+  lazy
+    (let gui = MatitaGui.instance () in
+    sequent_viewer ~show:true ~packing:gui#check#scrolledCheck#add ())
+
+class mathViewer =
+  object
+    method checkTerm sequent metasenv =
+      let (metano, context, expr) = sequent in
+      let widget = Lazy.force check_widget in
+      let gui = MatitaGui.instance () in
+      gui#check#checkWin#show ();
+      gui#main#showCheckMenuItem#set_active true;
+      widget#load_sequent (sequent :: metasenv) metano
+
+    method unload () = (proof_viewer_instance ())#unload
+  end
+
+let mathViewer () = new mathViewer
+