--- a/src/share/classes/sun/swing/JLightweightFrame.java	Wed Mar 27 16:19:51 2013 +0400
+++ b/src/share/classes/sun/swing/JLightweightFrame.java	Fri Mar 29 16:12:11 2013 +0400
@@ -72,8 +72,10 @@
     public JLightweightFrame() {
         super();
         add(rootPane, BorderLayout.CENTER);
-        setBackground(new Color(0, 0, 0, 0));
         setFocusTraversalPolicy(new LayoutFocusTraversalPolicy());
+        if (getGraphicsConfiguration().isTranslucencyCapable()) {
+            setBackground(new Color(0, 0, 0, 0));
+        }
     }
 
     /**

--- a/src/solaris/classes/sun/awt/X11/XFramePeer.java	Wed Mar 27 16:19:51 2013 +0400
+++ b/src/solaris/classes/sun/awt/X11/XFramePeer.java	Fri Mar 29 16:12:11 2013 +0400
@@ -642,5 +642,11 @@
         return getBounds();
     }
 
-    public void emulateActivation(boolean doActivate) {}
+    public void emulateActivation(boolean doActivate) {
+        if (doActivate) {
+            handleWindowFocusIn(0);
+        } else {
+            handleWindowFocusOut(null, 0);
+        }
+    }
 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/solaris/classes/sun/awt/X11/XLightweightFramePeer.java	Fri Mar 29 16:12:11 2013 +0400
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2013, 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
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.awt.X11;
+
+import java.awt.Graphics;
+
+import sun.awt.LightweightFrame;
+
+public class XLightweightFramePeer extends XFramePeer {
+
+    XLightweightFramePeer(LightweightFrame target) {
+        super(target);
+    }
+
+    private LightweightFrame getLwTarget() {
+        return (LightweightFrame)target;
+    }
+
+    @Override
+    public Graphics getGraphics() {
+        return getLwTarget().getGraphics();
+    }
+
+    @Override
+    public void xSetVisible(boolean visible) {
+        this.visible = visible;
+    }
+
+    @Override
+    protected void requestXFocus(long time, boolean timeProvided) {
+        // not sending native focus events to the proxy
+    }
+
+    @Override
+    public void setGrab(boolean grab) {
+        if (grab) {
+            getLwTarget().grabFocus();
+        } else {
+            getLwTarget().ungrabFocus();
+        }
+    }
+}

--- a/src/solaris/classes/sun/awt/X11/XToolkit.java	Wed Mar 27 16:19:51 2013 +0400
+++ b/src/solaris/classes/sun/awt/X11/XToolkit.java	Fri Mar 29 16:12:11 2013 +0400
@@ -420,7 +420,9 @@
     }
 
     public FramePeer createLightweightFrame(LightweightFrame target) {
-        return null;
+        FramePeer peer = new XLightweightFramePeer(target);
+        targetCreatedPeer(target, peer);
+        return peer;
     }
 
     public FramePeer createFrame(Frame target) {