X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FIdPanel.java;h=f2761ab44e6b87a0fecf54e67b568e081418d132;hb=bafa881ff4b88ced2ca6917924fb9f0dc5133bf9;hp=94b7afa7934246605effd24fd80fb09840f5bf55;hpb=7157280e15326fa721d8c19e785f4e0ec2b05e5a;p=jalview.git

diff --git a/src/jalview/gui/IdPanel.java b/src/jalview/gui/IdPanel.java
index 94b7afa..f2761ab 100755
--- a/src/jalview/gui/IdPanel.java
+++ b/src/jalview/gui/IdPanel.java
@@ -138,7 +138,7 @@ public class IdPanel extends JPanel
     }
 
     lastid = seq;
-    alignPanel.paintAlignment(false);
+    alignPanel.paintAlignment(false, false);
   }
 
   /**
@@ -148,7 +148,8 @@ public class IdPanel extends JPanel
   public void mouseWheelMoved(MouseWheelEvent e)
   {
     e.consume();
-    if (e.getWheelRotation() > 0)
+    double wheelRotation = e.getPreciseWheelRotation();
+    if (wheelRotation > 0)
     {
       if (e.isShiftDown())
       {
@@ -159,7 +160,7 @@ public class IdPanel extends JPanel
         av.getRanges().scrollUp(false);
       }
     }
-    else
+    else if (wheelRotation < 0)
     {
       if (e.isShiftDown())
       {
@@ -313,7 +314,7 @@ public class IdPanel extends JPanel
 
     av.isSelectionGroupChanged(true);
 
-    alignPanel.paintAlignment(false);
+    alignPanel.paintAlignment(false, false);
   }
 
   /**
@@ -507,7 +508,7 @@ public class IdPanel extends JPanel
           running = false;
         }
 
-        alignPanel.paintAlignment(false);
+        alignPanel.paintAlignment(false, false);
 
         try
         {