JAL-2831 tidy

diff --git a/src/jalview/viewmodel/ViewportRanges.java b/src/jalview/viewmodel/ViewportRanges.java
index 973482f..e463cc3 100644 (file)
--- a/src/jalview/viewmodel/ViewportRanges.java
+++ b/src/jalview/viewmodel/ViewportRanges.java
@@ -641,40 +641,42 @@ public class ViewportRanges extends ViewportProperties
   {
     boolean changedLocation = false;
 
-    int vis_x = al.getHiddenColumns().findColumnPosition(x);
-    int vis_y = al.getHiddenSequences().findIndexWithoutHiddenSeqs(y);
+    // convert the x,y location to absolute values
+    int visX = al.getHiddenColumns().findColumnPosition(x);
+    int visY = al.getHiddenSequences().findIndexWithoutHiddenSeqs(y);
 
     // if (vis_x,vis_y) is already visible don't do anything
-    if (startRes > vis_x || vis_x > endRes
-            || startSeq > vis_y && vis_y > endSeq)
+    if (startRes > visX || visX > endRes
+            || startSeq > visY && visY > endSeq)
     {
       int[] old = new int[] { startRes, startSeq };
       int[] newresseq;
       if (wrappedMode)
       {
-        int newstartres = calcWrappedStartResidue(vis_x);
+        int newstartres = calcWrappedStartResidue(visX);
         setStartRes(newstartres);
         newresseq = new int[] { startRes, startSeq };
       }
       else
       {
-      int width = getViewportWidth();
-        updateStartEndRes(vis_x, vis_x + width - 1);
-
-      int startseq = vis_y;
-      int height = getViewportHeight();
-      if (startseq + height - 1 > getVisibleAlignmentHeight() - 1)
-      {
-        startseq = getVisibleAlignmentHeight() - height;
-      }
+        // set the viewport x location to contain vis_x
+        int width = getViewportWidth();
+        updateStartEndRes(visX, visX + width - 1);
+
+        // set the viewport y location to contain vis_y
+        int startseq = visY;
+        int height = getViewportHeight();
+        if (startseq + height - 1 > getVisibleAlignmentHeight() - 1)
+        {
+          startseq = getVisibleAlignmentHeight() - height;
+        }
         updateStartEndSeq(startseq,
               startseq + height - 1);
 
-        // int[] old = new int[] { oldresvalues[0], oldseqvalues[0] };
         newresseq = new int[] { startRes, startSeq };
       }
-    changedLocation = true;
-    changeSupport.firePropertyChange(MOVE_VIEWPORT, old, newresseq);
+      changedLocation = true;
+      changeSupport.firePropertyChange(MOVE_VIEWPORT, old, newresseq);
     }
     return changedLocation;
   }