src/java.desktop/macosx/classes/com/apple/laf/AquaTabbedPaneUI.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -328,11 +328,13 @@
             rotateGraphics(g2d, tabRect, textRect, iconRect, tabPlacement);
         }
 
         // not for the scrolling tabs
         if (component == null && tabIndex >= 0) {
-            paintTitle(g2d, font, metrics, textRect, tabIndex, title);
+            String clippedTitle = SwingUtilities2.clipStringIfNecessary(null, metrics,
+                    title, textRect.width);
+            paintTitle(g2d, font, metrics, textRect, tabIndex, clippedTitle);
         }
 
         if (icon != null) {
             paintIcon(g, tabPlacement, tabIndex, icon, iconRect, isSelected);
         }