X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2FmatitaMathView.ml;h=09441303b02f7a4cd915098c788b6adce6bc9377;hb=33f8507cadd3b36dc9afa227d8968dda66fe2034;hp=13d1a240cea2134e9f76810d148f1fa191e69f1d;hpb=fe4e63f87929fc9d63db499c5035573683be34be;p=helm.git

diff --git a/matita/matita/matitaMathView.ml b/matita/matita/matitaMathView.ml
index 13d1a240c..09441303b 100644
--- a/matita/matita/matitaMathView.ml
+++ b/matita/matita/matitaMathView.ml
@@ -201,7 +201,11 @@ class sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) () =
             let w =
              new GBin.scrolled_window
               (Gobject.try_cast p#as_widget "GtkScrolledWindow") in
-            w#hadjustment#set_value 0.0;
+            (* The double change upper/lower is to trigger the emission of
+               changed :-( *)
+            w#hadjustment#set_value w#hadjustment#upper;
+            w#hadjustment#set_value w#hadjustment#lower;
+            w#vadjustment#set_value w#vadjustment#lower;
             w#vadjustment#set_value
              (w#vadjustment#upper -. w#vadjustment#page_size));
       with Not_found -> assert false)