Java/Swing JFC/Window

Get Window from a component

   <source lang="java">

/*

* $Id: WindowUtils.java,v 1.16 2009/05/25 16:37:52 kschaefe Exp $
*
* Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
* Santa Clara, California 95054, U.S.A. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

import java.awt.ruponent; import java.awt.Insets; import java.awt.Point; import java.awt.Window; import javax.swing.JOptionPane; /**

* Encapsulates various utilities for windows (ie: Frame and
* Dialog objects and descendants, in particular).
*
* @author Richard Bair
*/

public class Utils {

 public static Window findWindow(Component c) {
   if (c == null) {
       return JOptionPane.getRootFrame();
   } else if (c instanceof Window) {
       return (Window) c;
   } else {
       return findWindow(c.getParent());
   }

} }

 </source>
   
  
 
  

Have borders on a JWindow/JFrame

   <source lang="java">

import java.awt.FlowLayout; import javax.swing.JButton; import javax.swing.JPanel; import javax.swing.JWindow; public class Main{

 public static void main(String s[]) {
   JWindow win = new JWindow();
   JPanel pan = new JPanel();
   win.add(pan, "Center");
   pan.setLayout(new FlowLayout());
   pan.add(new JButton("Hello"));
   win.setSize(200, 200);
   win.setVisible(true);
 }

}

 </source>