X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FFeatureRenderer.java;h=a1de62e32e04b55c9a784222d380eaad92610fe4;hb=990fd5f012601024aaeeb09e2901791d242636c4;hp=0d701acb8ba9ed1d7faf7e54c5ce1641886e1dfd;hpb=b8d255b778892a1581c9209073649fbce6d09c5c;p=jalview.git

diff --git a/src/jalview/gui/FeatureRenderer.java b/src/jalview/gui/FeatureRenderer.java
index 0d701ac..a1de62e 100755
--- a/src/jalview/gui/FeatureRenderer.java
+++ b/src/jalview/gui/FeatureRenderer.java
@@ -397,13 +397,16 @@ public class FeatureRenderer
    * them. Then fires a PropertyChangeEvent on the changeSupport object.
    *
    */
-  synchronized void findAllFeatures()
+  void findAllFeatures()
   {
-    findAllFeatures(true); // add all new features as visible
-    if (!firing) {
-      firing=true;
-      changeSupport.firePropertyChange("changeSupport",null,null);
-      firing=false;
+    synchronized (firing)
+    {
+        if (firing.equals(Boolean.FALSE)) {
+          firing=Boolean.TRUE;
+          findAllFeatures(true); // add all new features as visible
+          changeSupport.firePropertyChange("changeSupport",null,null);
+          firing=Boolean.FALSE;
+      }
     }
   }
   /**
@@ -494,7 +497,7 @@ public class FeatureRenderer
     updateRenderOrder(allfeatures);
     findingFeatures = false;
   }
-  protected boolean firing=false;
+  protected Boolean firing=Boolean.FALSE;
   /**
    * replaces the current renderOrder with the unordered features in allfeatures.
    * The ordering of any types in both renderOrder and allfeatures is preserved,