Merge branch 'bug/JAL-3099alignmentVisibleWidth' into merge/JAL-3099

[jalview.git] / src / jalview / datamodel / AlignmentI.java

diff --git a/src/jalview/datamodel/AlignmentI.java b/src/jalview/datamodel/AlignmentI.java
index f129a4c..93a2456 100755 (executable)
--- a/src/jalview/datamodel/AlignmentI.java
+++ b/src/jalview/datamodel/AlignmentI.java
@@ -595,11 +595,13 @@ public interface AlignmentI extends AnnotatedCollectionI
   AlignedCodonFrame getMapping(SequenceI mapFrom, SequenceI mapTo);
 
   /**
-   * Set the hidden columns collection on the alignment
+   * Set the hidden columns collection on the alignment. Answers true if the
+   * hidden column selection changed, else false.
    * 
    * @param cols
+   * @return
    */
-  public void setHiddenColumns(HiddenColumns cols);
+  public boolean setHiddenColumns(HiddenColumns cols);
 
   /**
    * Set the first sequence as representative and hide its insertions. Typically