This commit implements the Abort button for the GUI using a clever trick by Xavier...

[helm.git] / matita / matitaGui.ml

diff --git a/matita/matitaGui.ml b/matita/matitaGui.ml
index b1b2a6ad3fa683c2856a9f4226bd547077534365..ed90fd29dfbed6a14f7e0ea5e302c7d821eff089 100644 (file)
--- a/matita/matitaGui.ml
+++ b/matita/matitaGui.ml
@@ -422,10 +422,26 @@ class gui () =
         develList#buttonsHbox#misc#set_sensitive true;
         source_view#set_editable true
       in
-      let locker f = 
+      let worker_thread = ref None in
+      let locker f () =
+       let thread_main =
         fun () -> 
           lock_world ();
-          try f ();unlock_world () with exc -> unlock_world (); raise exc in
+          try f ();unlock_world () with exc -> unlock_world (); raise exc
+       in
+        worker_thread := Some (Thread.create thread_main ()) in
+      let kill_worker =
+       (* the following lines are from Xavier Leroy: http://alan.petitepomme.net/cwn/2005.11.08.html *)
+       let interrupt = ref None in
+       let force_interrupt n =
+         (* This function is called just before the thread's timeslice ends *)
+         if Some(Thread.id(Thread.self())) = !interrupt then
+          (interrupt := None; raise Sys.Break) in
+       let _ = Sys.signal Sys.sigvtalrm (Sys.Signal_handle force_interrupt) in
+        fun () ->
+         match !worker_thread with
+            None -> assert false
+          | Some t -> interrupt := Some (Thread.id t) in
       let keep_focus f =
         fun () ->
          try
@@ -486,10 +502,19 @@ class gui () =
           match get_devel_selected () with
           | None -> ()
           | Some d -> 
-              let clean = locker 
-                (fun () -> MatitamakeLib.publish_development_in_bg refresh d)
-              in
-              ignore(clean ())));
+              let publish = locker (fun () ->
+                MatitamakeLib.publish_development_in_bg refresh d) in
+              ignore(publish ())));
+      connect_button develList#graphButton (fun () -> 
+        match get_devel_selected () with
+        | None -> ()
+        | Some d ->
+            (match MatitamakeLib.dot_for_development d with
+            | None -> ()
+            | Some _ ->
+                let browser = MatitaMathView.cicBrowser () in
+                browser#load (`Development
+                  (MatitamakeLib.name_for_development d))));
       connect_button develList#closeButton 
         (fun () -> develList#toplevel#misc#hide());
       ignore(develList#toplevel#event#connect#delete 
@@ -612,7 +637,7 @@ class gui () =
         (tac_w_term (A.Transitivity (loc, hole)));
       connect_button tbar#assumptionButton (tac (A.Assumption loc));
       connect_button tbar#cutButton (tac_w_term (A.Cut (loc, None, hole)));
-      connect_button tbar#autoButton (tac (A.Auto (loc,None,None,None,None)));
+      connect_button tbar#autoButton (tac (A.Auto (loc,[])));
       MatitaGtkMisc.toggle_widget_visibility
        ~widget:(main#tacticsButtonsHandlebox :> GObj.widget)
        ~check:main#tacticsBarMenuItem;
@@ -789,6 +814,7 @@ class gui () =
       connect_button main#scriptTopButton top;
       connect_button main#scriptBottomButton bottom;
       connect_button main#scriptJumpButton jump;
+      connect_button main#scriptAbortButton kill_worker;
       connect_menu_item main#scriptAdvanceMenuItem advance;
       connect_menu_item main#scriptRetractMenuItem retract;
       connect_menu_item main#scriptTopMenuItem top;
@@ -1007,16 +1033,34 @@ class gui () =
     method loadScript file =       
       let script = MatitaScript.current () in
       script#reset (); 
-      script#assignFileName file;
-      let content =
-       if Sys.file_exists file then file
-       else BuildTimeConf.script_template
-      in
-       source_view#source_buffer#begin_not_undoable_action ();
-       script#loadFromFile content;
-       source_view#source_buffer#end_not_undoable_action ();
-       console#message ("'"^file^"' loaded.");
-       self#_enableSaveTo file
+      if Pcre.pmatch ~pat:"\\.p$" file then
+        begin
+          let tptppath = 
+            Helm_registry.get_opt_default Helm_registry.string ~default:"./"
+              "matita.tptppath"
+          in
+          let data = Matitaprover.p_to_ma ~filename:file ~tptppath () in
+          let filename = Pcre.replace ~pat:"\\.p$" ~templ:".ma" file in
+          script#assignFileName filename;
+          source_view#source_buffer#begin_not_undoable_action ();
+          script#loadFromString data;
+          source_view#source_buffer#end_not_undoable_action ();
+          console#message ("'"^filename^"' loaded.");
+          self#_enableSaveTo filename
+        end
+      else
+        begin
+          script#assignFileName file;
+          let content =
+           if Sys.file_exists file then file
+           else BuildTimeConf.script_template
+          in
+           source_view#source_buffer#begin_not_undoable_action ();
+           script#loadFromFile content;
+           source_view#source_buffer#end_not_undoable_action ();
+           console#message ("'"^file^"' loaded.");
+           self#_enableSaveTo file
+        end
       
     method setStar name b =
       let l = main#scriptLabel in