Java example source code file (KeyboardFocusManagerPeer.java)

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Java - Java tags/keywords

awt, component, keyboardfocusmanagerpeer, window

The KeyboardFocusManagerPeer.java Java example source code

/*
 * Copyright (c) 2003, 2012, 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
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package java.awt.peer;

import java.awt.Component;
import java.awt.Window;

/**
 * The native peer interface for {@link KeyboardFocusManager}.
 */
public interface KeyboardFocusManagerPeer {

    /**
     * Sets the window that should become the focused window.
     *
     * @param win the window that should become the focused window
     *
     */
    void setCurrentFocusedWindow(Window win);

    /**
     * Returns the currently focused window.
     *
     * @return the currently focused window
     *
     * @see KeyboardFocusManager#getNativeFocusedWindow()
     */
    Window getCurrentFocusedWindow();

    /**
     * Sets the component that should become the focus owner.
     *
     * @param comp the component to become the focus owner
     *
     * @see KeyboardFocusManager#setNativeFocusOwner(Component)
     */
    void setCurrentFocusOwner(Component comp);

    /**
     * Returns the component that currently owns the input focus.
     *
     * @return the component that currently owns the input focus
     *
     * @see KeyboardFocusManager#getNativeFocusOwner()
     */
    Component getCurrentFocusOwner();

    /**
     * Clears the current global focus owner.
     *
     * @param activeWindow
     *
     * @see KeyboardFocusManager#clearGlobalFocusOwner()
     */
    void clearGlobalFocusOwner(Window activeWindow);

}