X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FRotatableCanvas.java;h=9f9f39cabd3d7432dce65ae57dd5552636c8c11c;hb=71a1149ba3dd9fbb46d1aa8af6ac75c7023ef0c4;hp=f3312c32bf08e3ffdad209f191be87fd36cca415;hpb=d053a3c980cf4318b9a19a255f9fc870e74de989;p=jalview.git

diff --git a/src/jalview/gui/RotatableCanvas.java b/src/jalview/gui/RotatableCanvas.java
index f3312c3..9f9f39c 100755
--- a/src/jalview/gui/RotatableCanvas.java
+++ b/src/jalview/gui/RotatableCanvas.java
@@ -1,13 +1,13 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
- * Copyright (C) 2011 J Procter, AM Waterhouse, J Engelhardt, LM Lui, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8)
+ * Copyright (C) 2012 J Procter, AM Waterhouse, LM Lui, J Engelhardt, G Barton, M Clamp, S Searle
  * 
  * This file is part of Jalview.
  * 
  * Jalview is free software: you can redistribute it and/or
  * modify it under the terms of the GNU General Public License 
  * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- * 
+ *  
  * Jalview is distributed in the hope that it will be useful, but 
  * WITHOUT ANY WARRANTY; without even the implied warranty 
  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
@@ -23,6 +23,7 @@ import java.awt.*;
 import java.awt.event.*;
 import javax.swing.*;
 
+import jalview.api.RotatableCanvasI;
 import jalview.datamodel.*;
 import jalview.math.*;
 
@@ -33,7 +34,7 @@ import jalview.math.*;
  * @version $Revision$
  */
 public class RotatableCanvas extends JPanel implements MouseListener,
-        MouseMotionListener, KeyListener
+        MouseMotionListener, KeyListener, RotatableCanvasI
 {
   RotatableMatrix idmat = new RotatableMatrix(3, 3);
 
@@ -138,14 +139,18 @@ public class RotatableCanvas extends JPanel implements MouseListener,
     repaint();
   }
 
+  boolean first = true;
+
   public void setPoints(Vector points, int npoint)
   {
     this.points = points;
     this.npoint = npoint;
-    ToolTipManager.sharedInstance().registerComponent(this);
-    ToolTipManager.sharedInstance().setInitialDelay(0);
-    ToolTipManager.sharedInstance().setDismissDelay(10000);
-
+    if (first)
+    {
+      ToolTipManager.sharedInstance().registerComponent(this);
+      ToolTipManager.sharedInstance().setInitialDelay(0);
+      ToolTipManager.sharedInstance().setDismissDelay(10000);
+    }
     prefsize = getPreferredSize();
     orig = new float[npoint][3];
 
@@ -186,11 +191,14 @@ public class RotatableCanvas extends JPanel implements MouseListener,
     findWidth();
 
     scale = findScale();
+    if (first)
+    {
 
-    addMouseListener(this);
-
-    addMouseMotionListener(this);
+      addMouseListener(this);
 
+      addMouseMotionListener(this);
+    }
+    first = false;
   }
 
   public void initAxes()