X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FgTopLevel%2FgTopLevel.ml;h=48c178918c019e9f6d3ad4ba1aac29d6ca8e9c7e;hb=1d2bd140d14561951f8214edf15abe4f40dcb649;hp=2b476a6745c278a7fe07953c747507344f630956;hpb=e34305aa0b9c8c9095e811b7ab720ffd4d283081;p=helm.git

diff --git a/helm/gTopLevel/gTopLevel.ml b/helm/gTopLevel/gTopLevel.ml
index 2b476a674..48c178918 100644
--- a/helm/gTopLevel/gTopLevel.ml
+++ b/helm/gTopLevel/gTopLevel.ml
@@ -1085,44 +1085,71 @@ let check rendering_window scratch_window () =
         ("<h1 color=\"red\">" ^ Printexc.to_string e ^ "</h1>") ;
 ;;
 
+exception NoObjectsLocated;;
+
+let user_uri_choice uris =
+ let uri =
+  match uris with
+     [] -> raise NoObjectsLocated
+   | [uri] -> uri
+   | uris ->
+      let choice =
+       GToolbox.question_box ~title:"Ambiguous result."
+        ~buttons:uris ~default:1
+        "Ambiguous result. Please, choose one."
+      in
+       List.nth uris (choice-1)
+ in
+  String.sub uri 4 (String.length uri - 4)
+;;
+
 let locate rendering_window () =
  let inputt = (rendering_window#inputt : GEdit.text) in
  let outputhtml = (rendering_window#outputhtml : GHtml.xmhtml) in
   let inputlen = inputt#length in
   let input = inputt#get_chars 0 inputlen in
-  output_html outputhtml (
-     try
-        match Str.split (Str.regexp "[ \t]+") input with
-           | [] -> ""
-           | head :: tail ->
-	       inputt#delete_text 0 inputlen;
-	       MQueryGenerator.locate_html head 
-     with
-        e -> "<h1 color=\"red\">" ^ Printexc.to_string e ^ "</h1>"
-  )
+   try
+    match Str.split (Str.regexp "[ \t]+") input with
+       [] -> ()
+     | head :: tail ->
+        inputt#delete_text 0 inputlen ;
+        let MathQL.MQRefs uris, html = MQueryGenerator.locate head in
+         output_html outputhtml html ;
+         let uri' = user_uri_choice uris in
+          ignore ((inputt#insert_text uri') ~pos:0)
+   with
+    e ->
+     output_html outputhtml
+      ("<h1 color=\"red\">" ^ Printexc.to_string e ^ "</h1>")
 ;;
 
 let backward rendering_window () =
-   let outputhtml = (rendering_window#outputhtml : GHtml.xmhtml) in
-   let inputt = (rendering_window#inputt : GEdit.text) in
-    let inputlen = inputt#length in
-    let input = inputt#get_chars 0 inputlen in
-    let level = int_of_string input in
-    let metasenv =
-     match !ProofEngine.proof with
-        None -> assert false
-      | Some (_,metasenv,_,_) -> metasenv
-    in
-    let result =
-       match !ProofEngine.goal with
-          | None -> ""
-          | Some metano ->
-             let (_, ey ,ty) =
-              List.find (function (m,_,_) -> m=metano) metasenv
-             in
-              MQueryGenerator.backward metasenv ey ty level
-       in 
-   output_html outputhtml result
+ let outputhtml = (rendering_window#outputhtml : GHtml.xmhtml) in
+ let inputt = (rendering_window#inputt : GEdit.text) in
+  let inputlen = inputt#length in
+  let input = inputt#get_chars 0 inputlen in
+  let level = int_of_string input in
+  let metasenv =
+   match !ProofEngine.proof with
+      None -> assert false
+    | Some (_,metasenv,_,_) -> metasenv
+  in
+   try
+    match !ProofEngine.goal with
+       None -> ()
+     | Some metano ->
+        let (_, ey ,ty) = List.find (function (m,_,_) -> m=metano) metasenv in
+         let MathQL.MQRefs uris, html =
+          MQueryGenerator.backward metasenv ey ty level
+         in
+          output_html outputhtml html ;
+          let uri' = user_uri_choice uris in
+           inputt#delete_text 0 inputlen ;
+           ignore ((inputt#insert_text uri') ~pos:0)
+    with
+     e -> 
+      output_html outputhtml 
+       ("<h1 color=\"red\">" ^ Printexc.to_string e ^ "</h1>")
 ;;
       
 let choose_selection
@@ -1494,15 +1521,18 @@ end;;
 
 (* MAIN *)
 
+let rendering_window = ref None;;
+
 let initialize_everything () =
  let module U = Unix in
   let output = GMathView.math_view ~width:400 ~height:280 ()
   and proofw = GMathView.math_view ~width:400 ~height:275 ()
   and label = GMisc.label ~text:"gTopLevel" () in
-    let rendering_window =
+    let rendering_window' =
      new rendering_window output proofw label
     in
-     rendering_window#show () ;
+     rendering_window := Some rendering_window' ;
+     rendering_window'#show () ;
      GMain.Main.main ()
 ;;
 
@@ -1513,12 +1543,22 @@ let _ =
    MQueryGenerator.init () ;
    CicTextualParser0.set_locate_object
     (function id ->
-      let MathQL.MQRefs uris = MQueryGenerator.locate id in
+      let MathQL.MQRefs uris, html = MQueryGenerator.locate id in
+       begin
+        match !rendering_window with
+           None -> assert false
+         | Some rw -> output_html rw#outputhtml html ;
+       end ;
        let uri = 
         match uris with
            [] ->
-            (GToolbox.input_string ~title:"Unknown input"
-             ("No URI matching \"" ^ id ^ "\" found. Please enter its URI"))
+            (match
+              (GToolbox.input_string ~title:"Unknown input"
+               ("No URI matching \"" ^ id ^ "\" found. Please enter its URI"))
+             with
+                None -> None
+              | Some uri -> Some ("cic:" ^ uri)
+            )
          | [uri] -> Some uri
          | _ ->
            let choice =