2362N/A * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * A KeyEventDispatcher cooperates with the current KeyboardFocusManager in the 0N/A * targeting and dispatching of all KeyEvents. KeyEventDispatchers registered 0N/A * with the current KeyboardFocusManager will receive KeyEvents before they are 0N/A * dispatched to their targets, allowing each KeyEventDispatcher to retarget 0N/A * the event, consume it, dispatch the event itself, or make other changes. 0N/A * Note that KeyboardFocusManager itself implements KeyEventDispatcher. By 0N/A * default, the current KeyboardFocusManager will be the sink for all KeyEvents 0N/A * not dispatched by the registered KeyEventDispatchers. The current 0N/A * KeyboardFocusManager cannot be completely deregistered as a 0N/A * KeyEventDispatcher. However, if a KeyEventDispatcher reports that it 0N/A * dispatched the KeyEvent, regardless of whether it actually did so, the 0N/A * KeyboardFocusManager will take no further action with regard to the 0N/A * KeyEvent. (While it is possible for client code to register the current 0N/A * KeyboardFocusManager as a KeyEventDispatcher one or more times, this is 0N/A * usually unnecessary and not recommended.) 0N/A * @author David Mendenhall 0N/A * @see KeyboardFocusManager#addKeyEventDispatcher 0N/A * @see KeyboardFocusManager#removeKeyEventDispatcher 0N/A * This method is called by the current KeyboardFocusManager requesting 0N/A * that this KeyEventDispatcher dispatch the specified event on its behalf. 0N/A * This KeyEventDispatcher is free to retarget the event, consume it, 0N/A * dispatch it itself, or make other changes. This capability is typically 0N/A * used to deliver KeyEvents to Components other than the focus owner. This 0N/A * can be useful when navigating children of non-focusable Windows in an 0N/A * accessible environment, for example. Note that if a KeyEventDispatcher 0N/A * dispatches the KeyEvent itself, it must use <code>redispatchEvent</code> 0N/A * to prevent the current KeyboardFocusManager from recursively requesting 0N/A * that this KeyEventDispatcher dispatch the event again. 0N/A * If an implementation of this method returns <code>false</code>, then 0N/A * the KeyEvent is passed to the next KeyEventDispatcher in the chain, 0N/A * ending with the current KeyboardFocusManager. If an implementation 0N/A * returns <code>true</code>, the KeyEvent is assumed to have been 0N/A * dispatched (although this need not be the case), and the current 0N/A * KeyboardFocusManager will take no further action with regard to the 0N/A * KeyEvent. In such a case, 0N/A * <code>KeyboardFocusManager.dispatchEvent</code> should return 0N/A * <code>true</code> as well. If an implementation consumes the KeyEvent, 0N/A * but returns <code>false</code>, the consumed event will still be passed 0N/A * to the next KeyEventDispatcher in the chain. It is important for 0N/A * developers to check whether the KeyEvent has been consumed before 0N/A * dispatching it to a target. By default, the current KeyboardFocusManager 0N/A * will not dispatch a consumed KeyEvent. 0N/A * @param e the KeyEvent to dispatch 0N/A * @return <code>true</code> if the KeyboardFocusManager should take no 0N/A * further action with regard to the KeyEvent; <code>false</code> 0N/A * @see KeyboardFocusManager#redispatchEvent