Merge branch 'develop' into update_212_Dec_merge_with_21125_chamges

[jalview.git] / src / jalview / viewmodel / ViewportRanges.java

diff --git a/src/jalview/viewmodel/ViewportRanges.java b/src/jalview/viewmodel/ViewportRanges.java
index b96ac28..e1abb54 100644 (file)
--- a/src/jalview/viewmodel/ViewportRanges.java
+++ b/src/jalview/viewmodel/ViewportRanges.java
@@ -565,8 +565,8 @@ public class ViewportRanges extends ViewportProperties
     }
 
     int residuesToScroll = width * widthsToScroll;
-    int newStartRes = up ? oldStartRes - residuesToScroll : oldStartRes
-            + residuesToScroll;
+    int newStartRes = up ? oldStartRes - residuesToScroll
+            : oldStartRes + residuesToScroll;
     if (newStartRes < 0)
     {
       newStartRes = 0;
@@ -592,7 +592,7 @@ public class ViewportRanges extends ViewportProperties
     {
       scrollUp(false);
     }
-    
+
     HiddenColumns hidden = al.getHiddenColumns();
     while (x < hidden.visibleToAbsoluteColumn(startRes))
     {