JAL-147 prevent vertical Overview box movement in wrapped mode

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

diff --git a/src/jalview/viewmodel/OverviewDimensionsHideHidden.java b/src/jalview/viewmodel/OverviewDimensionsHideHidden.java
index cb9c535..4d64f1c 100644 (file)
--- a/src/jalview/viewmodel/OverviewDimensionsHideHidden.java
+++ b/src/jalview/viewmodel/OverviewDimensionsHideHidden.java
@@ -39,6 +39,11 @@ public class OverviewDimensionsHideHidden extends OverviewDimensions
       y = 0;
     }
 
+    if (ranges.isWrappedMode())
+    {
+      y = 0; // sorry, no vertical scroll when wrapped
+    }
+
     //
     // Convert x value to residue position
     //
@@ -58,7 +63,7 @@ public class OverviewDimensionsHideHidden extends OverviewDimensions
       // went past the end of the alignment, adjust backwards
 
       // if last position was before the end of the alignment, need to update
-      if ((ranges.getEndRes() + vpwidth - 1) < alwidth)
+      if (ranges.getStartRes() < alwidth)
       {
         xAsRes = alwidth - vpwidth;
       }
@@ -83,7 +88,7 @@ public class OverviewDimensionsHideHidden extends OverviewDimensions
     if (yAsSeq + vpheight > alheight)
     {
       // went past the end of the alignment, adjust backwards
-      if ((ranges.getEndSeq() + vpheight - 1) < alheight)
+      if (ranges.getEndSeq() < alheight)
       {
         yAsSeq = alheight - vpheight;
       }