X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Fmatita%2FmatitaGtkMisc.ml;h=8a7048bbdf4cd7557213d78a064c9d2ee34385a2;hb=12cc5b2b8e7f7bb0b5e315094b008a293a4df6b1;hp=b8c9b91b3308b327ce14015248338a4ac0f9d17d;hpb=fccf05646ed2e47a81290a2884191edbddcaa169;p=helm.git

diff --git a/helm/matita/matitaGtkMisc.ml b/helm/matita/matitaGtkMisc.ml
index b8c9b91b3..8a7048bbd 100644
--- a/helm/matita/matitaGtkMisc.ml
+++ b/helm/matita/matitaGtkMisc.ml
@@ -29,13 +29,6 @@ open Printf
 open MatitaTypes
 
 let wrap_callback f = f
-(*
-let wrap_callback f () =
-  try
-    f ()
-  with exn ->
-    MatitaLog.error (sprintf "Uncaught exception: %s" (Printexc.to_string exn))
-*)
 
 let connect_button (button: #GButton.button) callback =
   ignore (button#connect#clicked (wrap_callback callback))
@@ -202,7 +195,7 @@ let popup_message_lowlevel
       ?parent ~destroy_with_parent 
       ~title ~allow_grow ~allow_shrink ?icon ~modal ~resizable ?screen 
       ?type_hint ~position ?wm_name ?wm_class ?border_width ?width ?height 
-      ~show () 
+      ~show:false () 
   in
   let stock = 
     match message_type with
@@ -213,16 +206,23 @@ let popup_message_lowlevel
   in
   let image = GMisc.image ~stock ~icon_size:`DIALOG () in
   let label = GMisc.label ~markup:message () in
+  label#set_line_wrap true;
   let hbox = GPack.hbox ~spacing:10 () in
   hbox#pack ~from:`START ~expand:true ~fill:true (image:>GObj.widget);
   hbox#pack ~from:`START ~expand:true ~fill:true (label:>GObj.widget);
   m#vbox#pack ~from:`START 
     ~padding:20 ~expand:true ~fill:true (hbox:>GObj.widget);
-  List.iter (fun (x,y) -> m#add_button_stock x y) buttons;
+  List.iter (fun (x, y) -> 
+    m#add_button_stock x y;
+    if y = `CANCEL then 
+      m#set_default_response y
+  ) buttons;
   ignore(m#connect#response 
     ~callback:(fun a ->  GMain.Main.quit ();callback a));
   ignore(m#connect#close 
-    ~callback:(fun _ -> GMain.Main.quit ();raise PopupClosed));
+    ~callback:(fun _ -> GMain.Main.quit ();callback `POPUPCLOSED));
+  if show = true then 
+      m#show ();
   GtkThread.main ();
   m#destroy () 
 
@@ -235,14 +235,12 @@ let ask_confirmation ~title ~message ?parent () =
     | `NO -> rc := `NO
     | `CANCEL -> rc := `CANCEL
     | `DELETE_EVENT -> rc := `CANCEL
+    | `POPUPCLOSED -> rc := `CANCEL
   in
-  let buttons = [`CANCEL,`CANCEL ; `NO,`NO ; `YES,`YES] in
-  try
+  let buttons = [`YES,`YES ; `NO,`NO ; `CANCEL,`CANCEL] in
     popup_message_lowlevel 
       ~title ~message ~message_type:`WARNING ~callback ~buttons ?parent ();
     !rc
-  with
-  | PopupClosed -> `CANCEL
 
 let report_error ~title ~message ?parent () =
   let rc = ref false in