Java Swing Focus isParentWindowFocused(Component component)

Description

true if the given Component 's parent Window is currently active (focused).

License

Apache License

Parameter

Parameter	Description
component	the Component to check the parent Window 's focus for.

Return

true if the given Component 's parent Window is currently active.

Declaration

public static boolean isParentWindowFocused(Component component) 

Method Source Code

//package com.java2s;
/*//from w  ww.  j av  a2  s .c om
 * Copyright (c) 2009 Kathryn Huxtable and Kenneth Orr.
 *
 * This file is part of the SeaGlass Pluggable Look and Feel.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * $Id$
 */

import java.awt.Component;

import java.awt.Window;

import javax.swing.SwingUtilities;

public class Main {
    /**
     * {@code true} if the given {@link Component}'s parent {@link Window} is
     * currently active (focused).
     *
     * @param  component the {@code Component} to check the parent
     *                   {@code Window}'s focus for.
     *
     * @return {@code true} if the given {@code Component}'s parent
     *         {@code Window} is currently active.
     */
    public static boolean isParentWindowFocused(Component component) {
        Window window = SwingUtilities.getWindowAncestor(component);

        return window != null && window.isFocused();
    }
}

Related

1. isDescendingFrom(Component focusOwner, Component parent)
2. isFocusable(Component component)
3. isFocused(Component component)
4. isFocused(Component component, boolean recoursive)
5. isParentWindowFocused(Component component)
6. isParentWindowFocused(Component component)
7. paintFocusRect(Graphics g, Rectangle r)
8. postponeFocus(final Component target)
9. removeFocus(JComponent component)