X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=inline;f=src%2Fjalview%2Fgui%2FSeqPanel.java;h=2df55ad53080f9a8c9eeb8a9c4f2a57636d9e3c1;hb=02cd62bf5796571c15a9d42774291bfa74b6b31c;hp=04ceea6c10a567dcf3466486a7674f2e727f9ec8;hpb=09976d9f77b1a3a6486735b0fd9caeb158f1834f;p=jalview.git

diff --git a/src/jalview/gui/SeqPanel.java b/src/jalview/gui/SeqPanel.java
index 04ceea6..2df55ad 100644
--- a/src/jalview/gui/SeqPanel.java
+++ b/src/jalview/gui/SeqPanel.java
@@ -321,8 +321,10 @@ public class SeqPanel extends JPanel
     }
     else
     {
-      seqIndex = Math.min((y / charHeight) + av.getRanges().getStartSeq(),
+      ViewportRanges ranges = av.getRanges();
+      seqIndex = Math.min((y / charHeight) + ranges.getStartSeq(),
               alignmentHeight - 1);
+      seqIndex = Math.min(seqIndex, ranges.getEndSeq());
     }
 
     return new MousePos(col, seqIndex, annIndex);
@@ -1940,6 +1942,7 @@ public class SeqPanel extends JPanel
   @Override
   public void mouseExited(MouseEvent e)
   {
+    lastMousePosition = null;
     ap.alignFrame.setStatus(" ");
     if (av.getWrapAlignment())
     {
@@ -2405,14 +2408,7 @@ public class SeqPanel extends JPanel
     {
       scrollThread = new ScrollThread();
       scrollThread.setMousePosition(mousePos);
-      if (!Platform.isJS())
-      {
-        /*
-         * Java - run in a new thread
-         */
-        scrollThread.start();
-      }
-      else
+      if (Platform.isJS())
       {
         /*
          * Javascript - run every 20ms until scrolling stopped
@@ -2445,6 +2441,13 @@ public class SeqPanel extends JPanel
         t.start();
       }
     }
+    else
+    {
+      /*
+       * Java - run in a new thread
+       */
+      scrollThread.start();
+    }
   }
 
   /**