Requests focus unless the component already has focus : Focus « Swing JFC « Java

Requests focus unless the component already has focus

import java.awt.Component;
import java.awt.KeyboardFocusManager;
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// $Id:,v 1.25 2005/12/04 13:46:04 jesper Exp $

public class Util {

   * Requests focus unless the component already has focus. For some weird
   * reason calling {@link Component#requestFocusInWindow()}when the
   * component is focus owner changes focus owner to another component!
   * @param component the component to request focus for
   * @return true if the component has focus or probably will get focus,
   *         otherwise false
  public static boolean requestFocus(Component component) {
     * System.out.println("Owner: " +
     * System.identityHashCode(KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner()) + ", " +
     * System.identityHashCode(component) + ", " +
     * (KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner() ==
     * component));
    return KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner() == component ||


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