X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjalview%2Fgui%2FAlignmentPanel.java;fp=src%2Fjalview%2Fgui%2FAlignmentPanel.java;h=8e7c7455cacc5a4bd5800cc1ecb95f5f149d2a5d;hb=6caf8e67439a4ea034d8f3575d3f6167c86784d0;hp=d3f80ce2b21ccb37e4d09038277f8f6588d09805;hpb=bb7a72429d195f54e3ea6df1b602732a952a1cb1;p=jalview.git

diff --git a/src/jalview/gui/AlignmentPanel.java b/src/jalview/gui/AlignmentPanel.java
index d3f80ce..8e7c745 100644
--- a/src/jalview/gui/AlignmentPanel.java
+++ b/src/jalview/gui/AlignmentPanel.java
@@ -42,6 +42,7 @@ import java.io.FileWriter;
 import java.io.PrintWriter;
 import java.util.List;
 
+import javax.swing.BoundedRangeModel;
 import javax.swing.SwingUtilities;
 
 import jalview.analysis.AnnotationSorter;
@@ -789,6 +790,22 @@ public class AlignmentPanel extends GAlignmentPanel implements
   }
 
   /**
+   * Answers true if the panel has no horizontal scrollbar, or the scrollbar is
+   * at its rightmost position, else false.
+   * 
+   * @return
+   */
+  boolean isScrolledFullyRight()
+  {
+    if (hscroll == null)
+    {
+      return true;
+    }
+    BoundedRangeModel model = hscroll.getModel();
+    return (model.getExtent() + model.getValue() >= model.getMaximum());
+  }
+
+  /**
    * Respond to adjustment event when horizontal or vertical scrollbar is
    * changed
    *