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diff --git a/libjava/classpath/javax/swing/plaf/metal/MetalScrollBarUI.java b/libjava/classpath/javax/swing/plaf/metal/MetalScrollBarUI.java
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+/* MetalScrollBarUI.java
+   Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath 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 2, or (at your option)
+any later version.
+
+GNU Classpath 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 PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.swing.plaf.metal;
+
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Rectangle;
+import java.util.HashMap;
+
+import javax.swing.JComponent;
+import javax.swing.UIDefaults;
+import javax.swing.UIManager;
+import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.basic.BasicScrollBarUI;
+
+public class MetalScrollBarUI
+  extends BasicScrollBarUI
+{
+
+  /** The minimum thumb size */
+  private static final Dimension MIN_THUMB_SIZE = new Dimension(18, 18);
+
+  // FIXME: maybe replace by a Map of instances when this becomes stateful
+  /** The shared UI instance for JScrollBars. */
+  private static HashMap instances = null;
+
+  /**
+   * Constructs a new instance of MetalScrollBarUI.
+   */
+  public MetalScrollBarUI()
+  {
+    super();
+  }
+
+  /**
+   * Returns an instance of MetalScrollBarUI.
+   *
+   * @param component the component for which we return an UI instance
+   *
+   * @return an instance of MetalScrollBarUI
+   */
+  public static ComponentUI createUI(JComponent component)
+  {
+    if (instances == null)
+      instances = new HashMap();
+
+    Object o = instances.get(component);
+    MetalScrollBarUI instance;
+    if (o == null)
+      {
+	instance = new MetalScrollBarUI();
+	instances.put(component, instance);
+      }
+    else
+      instance = (MetalScrollBarUI) o;
+
+    return instance;
+  }
+
+  /**
+   * Paints the slider button of the ScrollBar.
+   *
+   * @param g the Graphics context to use
+   * @param c the JComponent on which we paint
+   * @param thumbBounds the rectangle that is the slider button
+   */
+  protected void paintThumb(Graphics g, JComponent c, Rectangle thumbBounds)
+  {
+    // first we fill the background
+    g.setColor(thumbColor);
+    g.fillRect(thumbBounds.x, thumbBounds.y, thumbBounds.width,
+               thumbBounds.height);
+
+    // draw the outer dark line
+    g.setColor(thumbDarkShadowColor);
+    g.drawRect(thumbBounds.x, thumbBounds.y, thumbBounds.width - 1,
+               thumbBounds.height - 1);
+
+    // draw the inner light line
+    g.setColor(thumbHighlightColor);
+    g.drawLine(thumbBounds.x + 1, thumbBounds.y + 1,
+               thumbBounds.x + thumbBounds.width - 2,
+               thumbBounds.y + 1);
+    g.drawLine(thumbBounds.x + 1, thumbBounds.y + 1,
+               thumbBounds.x + 1,
+               thumbBounds.y + thumbBounds.height - 2);
+
+    // draw the shadow line
+    UIDefaults def = UIManager.getLookAndFeelDefaults();
+    g.setColor(def.getColor("ScrollBar.shadow"));
+    g.drawLine(thumbBounds.x + 1, thumbBounds.y + thumbBounds.height,
+               thumbBounds.x + thumbBounds.width,
+               thumbBounds.y + thumbBounds.height);
+
+    // draw the pattern
+    MetalUtils.fillMetalPattern(g, thumbBounds.x + 3, thumbBounds.y + 3,
+                                thumbBounds.width - 6, thumbBounds.height - 6,
+                                thumbHighlightColor, thumbDarkShadowColor);
+  }
+
+  /**
+   * This method returns the minimum thumb size.
+   *
+   * @return The minimum thumb size.
+   */
+  protected Dimension getMinimumThumbSize()
+  {
+    return MIN_THUMB_SIZE;
+  }
+}