X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSeqPanel.java;fp=src%2Fjalview%2Fgui%2FSeqPanel.java;h=ab5bc491d90c26135f18bbf191ed4e1b892a734d;hb=ffa5c07d90b4a933762a5d9faa0578c11693d63a;hp=fd6232d3a0289da20d9675089f65892ec836903b;hpb=962347ea6afb8dc4efb68ebc039f1c8bf62915e0;p=jalview.git

diff --git a/src/jalview/gui/SeqPanel.java b/src/jalview/gui/SeqPanel.java
index fd6232d..ab5bc49 100644
--- a/src/jalview/gui/SeqPanel.java
+++ b/src/jalview/gui/SeqPanel.java
@@ -84,6 +84,16 @@ public class SeqPanel extends JPanel implements MouseListener,
   /** DOCUMENT ME!! */
   public AlignmentPanel ap;
 
+  /*
+   * last column position for mouseMoved event
+   */
+  private int lastMouseColumn;
+
+  /*
+   * last sequence offset for mouseMoved event
+   */
+  private int lastMouseSeq;
+
   protected int lastres;
 
   protected int startseq;
@@ -170,6 +180,9 @@ public class SeqPanel extends JPanel implements MouseListener,
       ssm.addStructureViewerListener(this);
       ssm.addSelectionListener(this);
     }
+
+    lastMouseColumn = -1;
+    lastMouseSeq = -1;
   }
 
   int startWrapBlock = -1;
@@ -720,6 +733,15 @@ public class SeqPanel extends JPanel implements MouseListener,
     {
       return;
     }
+    if (column == lastMouseColumn && seq == lastMouseSeq)
+    {
+      /*
+       * just a pixel move without change of residue
+       */
+      return;
+    }
+    lastMouseColumn = column;
+    lastMouseSeq = seq;
 
     SequenceI sequence = av.getAlignment().getSequenceAt(seq);
 
@@ -775,18 +797,15 @@ public class SeqPanel extends JPanel implements MouseListener,
     }
     else
     {
-      if (lastTooltip == null
-              || !lastTooltip.equals(tooltipText.toString()))
+      String textString = tooltipText.toString();
+      if (lastTooltip == null || !lastTooltip.equals(textString))
       {
         String formatedTooltipText = JvSwingUtils.wrapTooltip(true,
-                tooltipText.toString());
-        // String formatedTooltipText = tooltipText.toString();
+                textString);
         setToolTipText(formatedTooltipText);
-        lastTooltip = tooltipText.toString();
+        lastTooltip = textString;
       }
-
     }
-
   }
 
   private Point lastp = null;