--- a/jdk/src/java.desktop/unix/classes/sun/awt/X11/XDecoratedPeer.java	Tue Jul 12 18:47:57 2016 +0300
+++ b/jdk/src/java.desktop/unix/classes/sun/awt/X11/XDecoratedPeer.java	Wed Jul 13 10:50:58 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2016, 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
@@ -1010,7 +1010,22 @@
         if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
             focusLog.fine("WM_TAKE_FOCUS on {0}", this);
         }
-        requestWindowFocus(cl.get_data(1), true);
+
+        if (XWM.getWMID() == XWM.UNITY_COMPIZ_WM) {
+            // JDK-8159460
+            Window focusedWindow = XKeyboardFocusManagerPeer.getInstance()
+                    .getCurrentFocusedWindow();
+            Window activeWindow = XWindowPeer.getDecoratedOwner(focusedWindow);
+            if (activeWindow != target) {
+                requestWindowFocus(cl.get_data(1), true);
+            } else {
+                WindowEvent we = new WindowEvent(focusedWindow,
+                        WindowEvent.WINDOW_GAINED_FOCUS);
+                sendEvent(we);
+            }
+        } else {
+            requestWindowFocus(cl.get_data(1), true);
+        }
     }
 
     /**

--- a/jdk/src/java.desktop/unix/classes/sun/awt/X11/XWM.java	Tue Jul 12 18:47:57 2016 +0300
+++ b/jdk/src/java.desktop/unix/classes/sun/awt/X11/XWM.java	Wed Jul 13 10:50:58 2016 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, 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
@@ -104,7 +104,8 @@
         COMPIZ_WM = 12,
         LG3D_WM = 13,
         CWM_WM = 14,
-        MUTTER_WM = 15;
+        MUTTER_WM = 15,
+        UNITY_COMPIZ_WM = 16;
     public String toString() {
         switch  (WMID) {
           case NO_WM:
@@ -129,6 +130,8 @@
               return "Metacity";
           case COMPIZ_WM:
               return "Compiz";
+            case UNITY_COMPIZ_WM:
+              return "Unity Compiz";
           case LG3D_WM:
               return "LookingGlass";
           case CWM_WM:
@@ -572,6 +575,10 @@
         return isNetWMName("compiz");
     }
 
+    static boolean isUnityCompiz() {
+        return isNetWMName("Compiz");
+    }
+
     static boolean isLookingGlass() {
         return isNetWMName("LG3D");
     }
@@ -790,6 +797,8 @@
                 awt_wmgr = CWM_WM;
             } else if (doIsIceWM && isIceWM()) {
                 awt_wmgr = XWM.ICE_WM;
+            } else if (isUnityCompiz()) {
+                awt_wmgr = XWM.UNITY_COMPIZ_WM;
             }
             /*
              * We don't check for legacy WM when we already know that WM

--- a/jdk/test/java/awt/Window/FindOwner/FindOwnerTest.html	Tue Jul 12 18:47:57 2016 +0300
+++ b/jdk/test/java/awt/Window/FindOwner/FindOwnerTest.html	Wed Jul 13 10:50:58 2016 +0300
@@ -1,5 +1,5 @@
 <!--
- Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 2015, 2016, 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
@@ -23,7 +23,7 @@
 
   @test
   @key headful
-  @bug 8139227
+  @bug 8139227 8159460
   @summary Text fields in JPopupMenu structure do not receive focus in hosted
            Applets
   @author Semyon Sadetsky