X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FFeatureSettings.java;h=b7683390b8641e8b749728182630f066035103f0;hb=3f8731339024094fe6d68e8b96d2646805a19d34;hp=c5454abaa0fc686d3de07330f41d42a3dc4cb70c;hpb=c4a72d18f6a7b2cf3de4a46b7a35cbfd0d76438f;p=jalview.git

diff --git a/src/jalview/gui/FeatureSettings.java b/src/jalview/gui/FeatureSettings.java
index c5454ab..b768339 100644
--- a/src/jalview/gui/FeatureSettings.java
+++ b/src/jalview/gui/FeatureSettings.java
@@ -131,6 +131,11 @@ public class FeatureSettings extends JPanel
   private static final int MIN_WIDTH = 400;
 
   private static final int MIN_HEIGHT = 400;
+  
+  /**
+   * when true, constructor is still executing - so ignore UI events
+   */
+  protected volatile boolean inConstruction = true;
 
   /**
    * Constructor
@@ -303,6 +308,7 @@ public class FeatureSettings extends JPanel
               };
             });
     frame.setLayer(JLayeredPane.PALETTE_LAYER);
+    inConstruction = false;
   }
 
   protected void popupSort(final int selectedRow, final String type,
@@ -1237,8 +1243,11 @@ public class FeatureSettings extends JPanel
       @Override
       public void stateChanged(ChangeEvent evt)
       {
-        fr.setTransparency((100 - transparency.getValue()) / 100f);
-        af.alignPanel.paintAlignment(true, true);
+        if (!inConstruction)
+        {
+          fr.setTransparency((100 - transparency.getValue()) / 100f);
+          af.alignPanel.paintAlignment(true,true);
+        }
       }
     });