jdk/src/windows/classes/sun/awt/windows/WKeyboardFocusManagerPeer.java

/*
 * Copyright 2009 Sun Microsystems, Inc.  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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package sun.awt.windows;

import java.awt.KeyboardFocusManager;
import java.awt.Window;
import java.awt.Component;
import java.awt.peer.ComponentPeer;
import sun.awt.KeyboardFocusManagerPeerImpl;
import sun.awt.CausedFocusEvent;

class WKeyboardFocusManagerPeer extends KeyboardFocusManagerPeerImpl {
    static native void setNativeFocusOwner(ComponentPeer peer);
    static native Component getNativeFocusOwner();
    static native Window getNativeFocusedWindow();

    WKeyboardFocusManagerPeer(KeyboardFocusManager manager) {
        super(manager);
    }

    @Override
    public void setCurrentFocusOwner(Component comp) {
        setNativeFocusOwner(comp != null ? comp.getPeer() : null);
    }

    @Override
    public Component getCurrentFocusOwner() {
        return getNativeFocusOwner();
    }

    @Override
    public Window getCurrentFocusedWindow() {
        return getNativeFocusedWindow();
    }

    public static boolean deliverFocus(Component lightweightChild,
                                       Component target,
                                       boolean temporary,
                                       boolean focusedWindowChangeAllowed,
                                       long time,
                                       CausedFocusEvent.Cause cause)
    {
        // TODO: do something to eliminate this forwarding
        return KeyboardFocusManagerPeerImpl.deliverFocus(lightweightChild,
                                                         target,
                                                         temporary,
                                                         focusedWindowChangeAllowed,
                                                         time,
                                                         cause,
                                                         getNativeFocusOwner());
    }
}