src/java.desktop/windows/classes/sun/awt/windows/WPanelPeer.java

*** 1,7 ****
  /*
!  * Copyright (c) 1996, 2014, 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
--- 1,7 ----
  /*
!  * Copyright (c) 1996, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 29,38 ****
--- 29,46 ----
  
  import sun.awt.SunGraphicsCallback;
  
  class WPanelPeer extends WCanvasPeer implements PanelPeer {
  
+     // Default background.  Gets set on target if
+     // target has none explicitly specified.
+     static final Color defaultBackground = SystemColor.control;
+ 
+     // Default foreground.  Gets set on target if
+     // target has none explicitly specified.
+     static final Color defaultForeground = SystemColor.windowText;
+ 
      // ComponentPeer overrides
  
      @Override
      public void paint(Graphics g) {
          super.paint(g);
*** 77,98 ****
      @Override
      void initialize() {
          super.initialize();
          insets_ = new Insets(0,0,0,0);
  
!         Color c = ((Component)target).getBackground();
!         if (c == null) {
!             c = WColor.getDefaultColor(WColor.WINDOW_BKGND);
!             ((Component)target).setBackground(c);
!             setBackground(c);
!         }
!         c = ((Component)target).getForeground();
!         if (c == null) {
!             c = WColor.getDefaultColor(WColor.WINDOW_TEXT);
!             ((Component)target).setForeground(c);
!             setForeground(c);
          }
      }
  
      /**
       * DEPRECATED:  Replaced by getInsets().
       */
--- 85,103 ----
      @Override
      void initialize() {
          super.initialize();
          insets_ = new Insets(0,0,0,0);
  
!         if (!((Component) target).isBackgroundSet()) {
!             ((Component) target).setBackground(defaultBackground);
!             setBackground(defaultBackground);
!         }
!         if (!((Component) target).isForegroundSet()) {
!             ((Component) target).setForeground(defaultForeground);
!             setForeground(defaultForeground);
          }
+ 
      }
  
      /**
       * DEPRECATED:  Replaced by getInsets().
       */