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duke@0
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/*
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ohair@2395
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* Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
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duke@0
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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duke@0
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*
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duke@0
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* This code is free software; you can redistribute it and/or modify it
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duke@0
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* under the terms of the GNU General Public License version 2 only, as
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ohair@2395
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* published by the Free Software Foundation. Oracle designates this
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duke@0
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* particular file as subject to the "Classpath" exception as provided
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ohair@2395
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* by Oracle in the LICENSE file that accompanied this code.
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duke@0
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*
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duke@0
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* This code is distributed in the hope that it will be useful, but WITHOUT
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duke@0
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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duke@0
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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duke@0
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* version 2 for more details (a copy is included in the LICENSE file that
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duke@0
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* accompanied this code).
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duke@0
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*
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duke@0
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* You should have received a copy of the GNU General Public License version
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duke@0
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* 2 along with this work; if not, write to the Free Software Foundation,
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duke@0
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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duke@0
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*
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ohair@2395
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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ohair@2395
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* or visit www.oracle.com if you need additional information or have any
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ohair@2395
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* questions.
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duke@0
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*/
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duke@0
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package java.awt;
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duke@0
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duke@0
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import java.awt.event.FocusEvent;
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duke@0
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import java.awt.event.KeyEvent;
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duke@0
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import java.awt.event.WindowEvent;
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duke@0
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import java.awt.peer.ComponentPeer;
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duke@0
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import java.awt.peer.LightweightPeer;
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duke@0
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import java.lang.ref.WeakReference;
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duke@0
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import java.util.LinkedList;
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duke@0
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import java.util.Iterator;
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duke@0
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import java.util.ListIterator;
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duke@0
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import java.util.Set;
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duke@0
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mchung@1729
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import sun.util.logging.PlatformLogger;
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duke@0
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duke@0
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import sun.awt.AppContext;
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duke@0
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import sun.awt.SunToolkit;
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duke@0
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import sun.awt.CausedFocusEvent;
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duke@0
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duke@0
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/**
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duke@0
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* The default KeyboardFocusManager for AWT applications. Focus traversal is
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duke@0
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* done in response to a Component's focus traversal keys, and using a
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duke@0
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* Container's FocusTraversalPolicy.
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duke@0
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* <p>
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duke@0
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* Please see
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duke@0
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* <a href="http://java.sun.com/docs/books/tutorial/uiswing/misc/focus.html">
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duke@0
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* How to Use the Focus Subsystem</a>,
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duke@0
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* a section in <em>The Java Tutorial</em>, and the
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duke@0
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* <a href="../../java/awt/doc-files/FocusSpec.html">Focus Specification</a>
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duke@0
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* for more information.
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duke@0
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*
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duke@0
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* @author David Mendenhall
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duke@0
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*
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duke@0
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* @see FocusTraversalPolicy
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duke@0
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* @see Component#setFocusTraversalKeys
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duke@0
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* @see Component#getFocusTraversalKeys
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duke@0
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* @since 1.4
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duke@0
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*/
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duke@0
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public class DefaultKeyboardFocusManager extends KeyboardFocusManager {
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mchung@1729
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private static final PlatformLogger focusLog = PlatformLogger.getLogger("java.awt.focus.DefaultKeyboardFocusManager");
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duke@0
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duke@0
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// null weak references to not create too many objects
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duke@0
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private static final WeakReference<Window> NULL_WINDOW_WR =
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duke@0
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new WeakReference<Window>(null);
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duke@0
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private static final WeakReference<Component> NULL_COMPONENT_WR =
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duke@0
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new WeakReference<Component>(null);
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duke@0
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private WeakReference<Window> realOppositeWindowWR = NULL_WINDOW_WR;
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duke@0
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private WeakReference<Component> realOppositeComponentWR = NULL_COMPONENT_WR;
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duke@0
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private int inSendMessage;
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duke@0
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private LinkedList enqueuedKeyEvents = new LinkedList(),
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duke@0
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typeAheadMarkers = new LinkedList();
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duke@0
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private boolean consumeNextKeyTyped;
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duke@0
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duke@0
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private static class TypeAheadMarker {
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long after;
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duke@0
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Component untilFocused;
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duke@0
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duke@0
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TypeAheadMarker(long after, Component untilFocused) {
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duke@0
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this.after = after;
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duke@0
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this.untilFocused = untilFocused;
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duke@0
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}
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duke@0
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/**
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duke@0
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* Returns string representation of the marker
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duke@0
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*/
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duke@0
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public String toString() {
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duke@0
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return ">>> Marker after " + after + " on " + untilFocused;
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duke@0
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}
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duke@0
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}
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duke@0
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duke@0
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private Window getOwningFrameDialog(Window window) {
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duke@0
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while (window != null && !(window instanceof Frame ||
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duke@0
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window instanceof Dialog)) {
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duke@0
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window = (Window)window.getParent();
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duke@0
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}
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duke@0
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return window;
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duke@0
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}
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duke@0
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duke@0
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/*
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duke@0
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* This series of restoreFocus methods is used for recovering from a
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duke@0
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* rejected focus or activation change. Rejections typically occur when
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duke@0
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* the user attempts to focus a non-focusable Component or Window.
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duke@0
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*/
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duke@0
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private void restoreFocus(FocusEvent fe, Window newFocusedWindow) {
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duke@0
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Component realOppositeComponent = this.realOppositeComponentWR.get();
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duke@0
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Component vetoedComponent = fe.getComponent();
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duke@0
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110 |
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duke@0
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if (newFocusedWindow != null && restoreFocus(newFocusedWindow,
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duke@0
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vetoedComponent, false))
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duke@0
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{
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duke@0
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} else if (realOppositeComponent != null &&
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duke@0
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doRestoreFocus(realOppositeComponent, vetoedComponent, false)) {
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duke@0
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} else if (fe.getOppositeComponent() != null &&
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duke@0
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doRestoreFocus(fe.getOppositeComponent(), vetoedComponent, false)) {
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duke@0
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} else {
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duke@0
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clearGlobalFocusOwner();
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duke@0
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}
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duke@0
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}
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duke@0
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private void restoreFocus(WindowEvent we) {
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duke@0
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Window realOppositeWindow = this.realOppositeWindowWR.get();
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duke@0
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124 |
if (realOppositeWindow != null
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duke@0
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&& restoreFocus(realOppositeWindow, null, false))
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duke@0
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{
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duke@0
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// do nothing, everything is done in restoreFocus()
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duke@0
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} else if (we.getOppositeWindow() != null &&
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duke@0
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129 |
restoreFocus(we.getOppositeWindow(), null, false))
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duke@0
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{
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duke@0
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// do nothing, everything is done in restoreFocus()
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duke@0
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} else {
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duke@0
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clearGlobalFocusOwner();
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duke@0
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}
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duke@0
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135 |
}
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duke@0
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136 |
private boolean restoreFocus(Window aWindow, Component vetoedComponent,
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duke@0
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boolean clearOnFailure) {
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duke@0
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Component toFocus =
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duke@0
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KeyboardFocusManager.getMostRecentFocusOwner(aWindow);
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duke@0
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140 |
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duke@0
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if (toFocus != null && toFocus != vetoedComponent && doRestoreFocus(toFocus, vetoedComponent, false)) {
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duke@0
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return true;
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duke@0
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} else if (clearOnFailure) {
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duke@0
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clearGlobalFocusOwner();
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duke@0
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return true;
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duke@0
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} else {
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duke@0
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147 |
return false;
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duke@0
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148 |
}
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duke@0
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149 |
}
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duke@0
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150 |
private boolean restoreFocus(Component toFocus, boolean clearOnFailure) {
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duke@0
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151 |
return doRestoreFocus(toFocus, null, clearOnFailure);
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duke@0
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152 |
}
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duke@0
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153 |
private boolean doRestoreFocus(Component toFocus, Component vetoedComponent,
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duke@0
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154 |
boolean clearOnFailure)
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duke@0
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155 |
{
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ant@543
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156 |
if (toFocus != vetoedComponent && toFocus.isShowing() && toFocus.canBeFocusOwner() &&
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ant@218
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157 |
toFocus.requestFocus(false, CausedFocusEvent.Cause.ROLLBACK))
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ant@218
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158 |
{
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duke@0
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159 |
return true;
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duke@0
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160 |
} else {
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ant@218
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161 |
Component nextFocus = toFocus.getNextFocusCandidate();
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ant@218
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162 |
if (nextFocus != null && nextFocus != vetoedComponent &&
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ant@218
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163 |
nextFocus.requestFocusInWindow(CausedFocusEvent.Cause.ROLLBACK))
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duke@0
|
164 |
{
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duke@0
|
165 |
return true;
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duke@0
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166 |
} else if (clearOnFailure) {
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duke@0
|
167 |
clearGlobalFocusOwner();
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duke@0
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168 |
return true;
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duke@0
|
169 |
} else {
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duke@0
|
170 |
return false;
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duke@0
|
171 |
}
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duke@0
|
172 |
}
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duke@0
|
173 |
}
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duke@0
|
174 |
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duke@0
|
175 |
/**
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duke@0
|
176 |
* A special type of SentEvent which updates a counter in the target
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duke@0
|
177 |
* KeyboardFocusManager if it is an instance of
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duke@0
|
178 |
* DefaultKeyboardFocusManager.
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duke@0
|
179 |
*/
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duke@0
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180 |
private static class DefaultKeyboardFocusManagerSentEvent
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duke@0
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181 |
extends SentEvent
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duke@0
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182 |
{
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duke@0
|
183 |
/*
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duke@0
|
184 |
* serialVersionUID
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duke@0
|
185 |
*/
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duke@0
|
186 |
private static final long serialVersionUID = -2924743257508701758L;
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duke@0
|
187 |
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duke@0
|
188 |
public DefaultKeyboardFocusManagerSentEvent(AWTEvent nested,
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duke@0
|
189 |
AppContext toNotify) {
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duke@0
|
190 |
super(nested, toNotify);
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duke@0
|
191 |
}
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duke@0
|
192 |
public final void dispatch() {
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duke@0
|
193 |
KeyboardFocusManager manager =
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duke@0
|
194 |
KeyboardFocusManager.getCurrentKeyboardFocusManager();
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duke@0
|
195 |
DefaultKeyboardFocusManager defaultManager =
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duke@0
|
196 |
(manager instanceof DefaultKeyboardFocusManager)
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duke@0
|
197 |
? (DefaultKeyboardFocusManager)manager
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duke@0
|
198 |
: null;
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duke@0
|
199 |
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duke@0
|
200 |
if (defaultManager != null) {
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duke@0
|
201 |
synchronized (defaultManager) {
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duke@0
|
202 |
defaultManager.inSendMessage++;
|
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duke@0
|
203 |
}
|
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duke@0
|
204 |
}
|
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duke@0
|
205 |
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duke@0
|
206 |
super.dispatch();
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duke@0
|
207 |
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duke@0
|
208 |
if (defaultManager != null) {
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duke@0
|
209 |
synchronized (defaultManager) {
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duke@0
|
210 |
defaultManager.inSendMessage--;
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duke@0
|
211 |
}
|
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duke@0
|
212 |
}
|
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duke@0
|
213 |
}
|
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duke@0
|
214 |
}
|
|
duke@0
|
215 |
|
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duke@0
|
216 |
/**
|
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duke@0
|
217 |
* Sends a synthetic AWTEvent to a Component. If the Component is in
|
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duke@0
|
218 |
* the current AppContext, then the event is immediately dispatched.
|
|
duke@0
|
219 |
* If the Component is in a different AppContext, then the event is
|
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duke@0
|
220 |
* posted to the other AppContext's EventQueue, and this method blocks
|
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duke@0
|
221 |
* until the event is handled or target AppContext is disposed.
|
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duke@0
|
222 |
* Returns true if successfuly dispatched event, false if failed
|
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duke@0
|
223 |
* to dispatch.
|
|
duke@0
|
224 |
*/
|
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duke@0
|
225 |
static boolean sendMessage(Component target, AWTEvent e) {
|
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duke@0
|
226 |
e.isPosted = true;
|
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duke@0
|
227 |
AppContext myAppContext = AppContext.getAppContext();
|
|
duke@0
|
228 |
final AppContext targetAppContext = target.appContext;
|
|
duke@0
|
229 |
final SentEvent se =
|
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duke@0
|
230 |
new DefaultKeyboardFocusManagerSentEvent(e, myAppContext);
|
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duke@0
|
231 |
|
|
duke@0
|
232 |
if (myAppContext == targetAppContext) {
|
|
duke@0
|
233 |
se.dispatch();
|
|
duke@0
|
234 |
} else {
|
|
duke@0
|
235 |
if (targetAppContext.isDisposed()) {
|
|
duke@0
|
236 |
return false;
|
|
duke@0
|
237 |
}
|
|
duke@0
|
238 |
SunToolkit.postEvent(targetAppContext, se);
|
|
duke@0
|
239 |
if (EventQueue.isDispatchThread()) {
|
|
jtulach@5229
|
240 |
EventDispatchThread edt = EventDispatchThread.findCurrent();
|
|
duke@0
|
241 |
edt.pumpEvents(SentEvent.ID, new Conditional() {
|
|
duke@0
|
242 |
public boolean evaluate() {
|
|
duke@0
|
243 |
return !se.dispatched && !targetAppContext.isDisposed();
|
|
duke@0
|
244 |
}
|
|
duke@0
|
245 |
});
|
|
duke@0
|
246 |
} else {
|
|
duke@0
|
247 |
synchronized (se) {
|
|
duke@0
|
248 |
while (!se.dispatched && !targetAppContext.isDisposed()) {
|
|
duke@0
|
249 |
try {
|
|
duke@0
|
250 |
se.wait(1000);
|
|
duke@0
|
251 |
} catch (InterruptedException ie) {
|
|
duke@0
|
252 |
break;
|
|
duke@0
|
253 |
}
|
|
duke@0
|
254 |
}
|
|
duke@0
|
255 |
}
|
|
duke@0
|
256 |
}
|
|
duke@0
|
257 |
}
|
|
duke@0
|
258 |
return se.dispatched;
|
|
duke@0
|
259 |
}
|
|
duke@0
|
260 |
|
|
duke@0
|
261 |
/**
|
|
duke@0
|
262 |
* This method is called by the AWT event dispatcher requesting that the
|
|
duke@0
|
263 |
* current KeyboardFocusManager dispatch the specified event on its behalf.
|
|
duke@0
|
264 |
* DefaultKeyboardFocusManagers dispatch all FocusEvents, all WindowEvents
|
|
duke@0
|
265 |
* related to focus, and all KeyEvents. These events are dispatched based
|
|
duke@0
|
266 |
* on the KeyboardFocusManager's notion of the focus owner and the focused
|
|
duke@0
|
267 |
* and active Windows, sometimes overriding the source of the specified
|
|
duke@0
|
268 |
* AWTEvent. If this method returns <code>false</code>, then the AWT event
|
|
duke@0
|
269 |
* dispatcher will attempt to dispatch the event itself.
|
|
duke@0
|
270 |
*
|
|
duke@0
|
271 |
* @param e the AWTEvent to be dispatched
|
|
duke@0
|
272 |
* @return <code>true</code> if this method dispatched the event;
|
|
duke@0
|
273 |
* <code>false</code> otherwise
|
|
duke@0
|
274 |
*/
|
|
duke@0
|
275 |
public boolean dispatchEvent(AWTEvent e) {
|
|
mchung@1729
|
276 |
if (focusLog.isLoggable(PlatformLogger.FINE) && (e instanceof WindowEvent || e instanceof FocusEvent)) focusLog.fine("" + e);
|
|
duke@0
|
277 |
switch (e.getID()) {
|
|
duke@0
|
278 |
case WindowEvent.WINDOW_GAINED_FOCUS: {
|
|
duke@0
|
279 |
WindowEvent we = (WindowEvent)e;
|
|
duke@0
|
280 |
Window oldFocusedWindow = getGlobalFocusedWindow();
|
|
duke@0
|
281 |
Window newFocusedWindow = we.getWindow();
|
|
duke@0
|
282 |
if (newFocusedWindow == oldFocusedWindow) {
|
|
duke@0
|
283 |
break;
|
|
duke@0
|
284 |
}
|
|
duke@0
|
285 |
|
|
duke@0
|
286 |
if (!(newFocusedWindow.isFocusableWindow()
|
|
duke@0
|
287 |
&& newFocusedWindow.isVisible()
|
|
duke@0
|
288 |
&& newFocusedWindow.isDisplayable()))
|
|
duke@0
|
289 |
{
|
|
duke@0
|
290 |
// we can not accept focus on such window, so reject it.
|
|
duke@0
|
291 |
restoreFocus(we);
|
|
duke@0
|
292 |
break;
|
|
duke@0
|
293 |
}
|
|
duke@0
|
294 |
// If there exists a current focused window, then notify it
|
|
duke@0
|
295 |
// that it has lost focus.
|
|
duke@0
|
296 |
if (oldFocusedWindow != null) {
|
|
duke@0
|
297 |
boolean isEventDispatched =
|
|
duke@0
|
298 |
sendMessage(oldFocusedWindow,
|
|
duke@0
|
299 |
new WindowEvent(oldFocusedWindow,
|
|
duke@0
|
300 |
WindowEvent.WINDOW_LOST_FOCUS,
|
|
duke@0
|
301 |
newFocusedWindow));
|
|
duke@0
|
302 |
// Failed to dispatch, clear by ourselfves
|
|
duke@0
|
303 |
if (!isEventDispatched) {
|
|
duke@0
|
304 |
setGlobalFocusOwner(null);
|
|
duke@0
|
305 |
setGlobalFocusedWindow(null);
|
|
duke@0
|
306 |
}
|
|
duke@0
|
307 |
}
|
|
duke@0
|
308 |
|
|
duke@0
|
309 |
// Because the native libraries do not post WINDOW_ACTIVATED
|
|
duke@0
|
310 |
// events, we need to synthesize one if the active Window
|
|
duke@0
|
311 |
// changed.
|
|
duke@0
|
312 |
Window newActiveWindow =
|
|
duke@0
|
313 |
getOwningFrameDialog(newFocusedWindow);
|
|
duke@0
|
314 |
Window currentActiveWindow = getGlobalActiveWindow();
|
|
duke@0
|
315 |
if (newActiveWindow != currentActiveWindow) {
|
|
duke@0
|
316 |
sendMessage(newActiveWindow,
|
|
duke@0
|
317 |
new WindowEvent(newActiveWindow,
|
|
duke@0
|
318 |
WindowEvent.WINDOW_ACTIVATED,
|
|
duke@0
|
319 |
currentActiveWindow));
|
|
duke@0
|
320 |
if (newActiveWindow != getGlobalActiveWindow()) {
|
|
duke@0
|
321 |
// Activation change was rejected. Unlikely, but
|
|
duke@0
|
322 |
// possible.
|
|
duke@0
|
323 |
restoreFocus(we);
|
|
duke@0
|
324 |
break;
|
|
duke@0
|
325 |
}
|
|
duke@0
|
326 |
}
|
|
duke@0
|
327 |
|
|
duke@0
|
328 |
setGlobalFocusedWindow(newFocusedWindow);
|
|
duke@0
|
329 |
|
|
duke@0
|
330 |
if (newFocusedWindow != getGlobalFocusedWindow()) {
|
|
duke@0
|
331 |
// Focus change was rejected. Will happen if
|
|
duke@0
|
332 |
// newFocusedWindow is not a focusable Window.
|
|
duke@0
|
333 |
restoreFocus(we);
|
|
duke@0
|
334 |
break;
|
|
duke@0
|
335 |
}
|
|
duke@0
|
336 |
|
|
duke@0
|
337 |
// Restore focus to the Component which last held it. We do
|
|
duke@0
|
338 |
// this here so that client code can override our choice in
|
|
duke@0
|
339 |
// a WINDOW_GAINED_FOCUS handler.
|
|
duke@0
|
340 |
//
|
|
duke@0
|
341 |
// Make sure that the focus change request doesn't change the
|
|
duke@0
|
342 |
// focused Window in case we are no longer the focused Window
|
|
duke@0
|
343 |
// when the request is handled.
|
|
duke@0
|
344 |
if (inSendMessage == 0) {
|
|
duke@0
|
345 |
// Identify which Component should initially gain focus
|
|
duke@0
|
346 |
// in the Window.
|
|
duke@0
|
347 |
//
|
|
duke@0
|
348 |
// * If we're in SendMessage, then this is a synthetic
|
|
duke@0
|
349 |
// WINDOW_GAINED_FOCUS message which was generated by a
|
|
duke@0
|
350 |
// the FOCUS_GAINED handler. Allow the Component to
|
|
duke@0
|
351 |
// which the FOCUS_GAINED message was targeted to
|
|
duke@0
|
352 |
// receive the focus.
|
|
duke@0
|
353 |
// * Otherwise, look up the correct Component here.
|
|
duke@0
|
354 |
// We don't use Window.getMostRecentFocusOwner because
|
|
duke@0
|
355 |
// window is focused now and 'null' will be returned
|
|
duke@0
|
356 |
|
|
duke@0
|
357 |
|
|
duke@0
|
358 |
// Calculating of most recent focus owner and focus
|
|
duke@0
|
359 |
// request should be synchronized on KeyboardFocusManager.class
|
|
duke@0
|
360 |
// to prevent from thread race when user will request
|
|
duke@0
|
361 |
// focus between calculation and our request.
|
|
duke@0
|
362 |
// But if focus transfer is synchronous, this synchronization
|
|
duke@0
|
363 |
// may cause deadlock, thus we don't synchronize this block.
|
|
duke@0
|
364 |
Component toFocus = KeyboardFocusManager.
|
|
duke@0
|
365 |
getMostRecentFocusOwner(newFocusedWindow);
|
|
duke@0
|
366 |
if ((toFocus == null) &&
|
|
duke@0
|
367 |
newFocusedWindow.isFocusableWindow())
|
|
duke@0
|
368 |
{
|
|
duke@0
|
369 |
toFocus = newFocusedWindow.getFocusTraversalPolicy().
|
|
duke@0
|
370 |
getInitialComponent(newFocusedWindow);
|
|
duke@0
|
371 |
}
|
|
duke@0
|
372 |
Component tempLost = null;
|
|
duke@0
|
373 |
synchronized(KeyboardFocusManager.class) {
|
|
duke@0
|
374 |
tempLost = newFocusedWindow.setTemporaryLostComponent(null);
|
|
duke@0
|
375 |
}
|
|
duke@0
|
376 |
|
|
duke@0
|
377 |
// The component which last has the focus when this window was focused
|
|
duke@0
|
378 |
// should receive focus first
|
|
mchung@1729
|
379 |
if (focusLog.isLoggable(PlatformLogger.FINER)) {
|
|
mchung@1729
|
380 |
focusLog.finer("tempLost {0}, toFocus {1}",
|
|
mchung@1729
|
381 |
tempLost, toFocus);
|
|
duke@0
|
382 |
}
|
|
duke@0
|
383 |
if (tempLost != null) {
|
|
duke@0
|
384 |
tempLost.requestFocusInWindow(CausedFocusEvent.Cause.ACTIVATION);
|
|
duke@0
|
385 |
}
|
|
duke@0
|
386 |
|
|
duke@0
|
387 |
if (toFocus != null && toFocus != tempLost) {
|
|
duke@0
|
388 |
// If there is a component which requested focus when this window
|
|
duke@0
|
389 |
// was inactive it expects to receive focus after activation.
|
|
duke@0
|
390 |
toFocus.requestFocusInWindow(CausedFocusEvent.Cause.ACTIVATION);
|
|
duke@0
|
391 |
}
|
|
duke@0
|
392 |
}
|
|
duke@0
|
393 |
|
|
duke@0
|
394 |
Window realOppositeWindow = this.realOppositeWindowWR.get();
|
|
duke@0
|
395 |
if (realOppositeWindow != we.getOppositeWindow()) {
|
|
duke@0
|
396 |
we = new WindowEvent(newFocusedWindow,
|
|
duke@0
|
397 |
WindowEvent.WINDOW_GAINED_FOCUS,
|
|
duke@0
|
398 |
realOppositeWindow);
|
|
duke@0
|
399 |
}
|
|
duke@0
|
400 |
return typeAheadAssertions(newFocusedWindow, we);
|
|
duke@0
|
401 |
}
|
|
duke@0
|
402 |
|
|
duke@0
|
403 |
case WindowEvent.WINDOW_ACTIVATED: {
|
|
duke@0
|
404 |
WindowEvent we = (WindowEvent)e;
|
|
duke@0
|
405 |
Window oldActiveWindow = getGlobalActiveWindow();
|
|
duke@0
|
406 |
Window newActiveWindow = we.getWindow();
|
|
duke@0
|
407 |
if (oldActiveWindow == newActiveWindow) {
|
|
duke@0
|
408 |
break;
|
|
duke@0
|
409 |
}
|
|
duke@0
|
410 |
|
|
duke@0
|
411 |
// If there exists a current active window, then notify it that
|
|
duke@0
|
412 |
// it has lost activation.
|
|
duke@0
|
413 |
if (oldActiveWindow != null) {
|
|
duke@0
|
414 |
boolean isEventDispatched =
|
|
duke@0
|
415 |
sendMessage(oldActiveWindow,
|
|
duke@0
|
416 |
new WindowEvent(oldActiveWindow,
|
|
duke@0
|
417 |
WindowEvent.WINDOW_DEACTIVATED,
|
|
duke@0
|
418 |
newActiveWindow));
|
|
duke@0
|
419 |
// Failed to dispatch, clear by ourselfves
|
|
duke@0
|
420 |
if (!isEventDispatched) {
|
|
duke@0
|
421 |
setGlobalActiveWindow(null);
|
|
duke@0
|
422 |
}
|
|
duke@0
|
423 |
if (getGlobalActiveWindow() != null) {
|
|
duke@0
|
424 |
// Activation change was rejected. Unlikely, but
|
|
duke@0
|
425 |
// possible.
|
|
duke@0
|
426 |
break;
|
|
duke@0
|
427 |
}
|
|
duke@0
|
428 |
}
|
|
duke@0
|
429 |
|
|
duke@0
|
430 |
setGlobalActiveWindow(newActiveWindow);
|
|
duke@0
|
431 |
|
|
duke@0
|
432 |
if (newActiveWindow != getGlobalActiveWindow()) {
|
|
duke@0
|
433 |
// Activation change was rejected. Unlikely, but
|
|
duke@0
|
434 |
// possible.
|
|
duke@0
|
435 |
break;
|
|
duke@0
|
436 |
}
|
|
duke@0
|
437 |
|
|
duke@0
|
438 |
return typeAheadAssertions(newActiveWindow, we);
|
|
duke@0
|
439 |
}
|
|
duke@0
|
440 |
|
|
duke@0
|
441 |
case FocusEvent.FOCUS_GAINED: {
|
|
duke@0
|
442 |
FocusEvent fe = (FocusEvent)e;
|
|
duke@0
|
443 |
CausedFocusEvent.Cause cause = (fe instanceof CausedFocusEvent) ?
|
|
duke@0
|
444 |
((CausedFocusEvent)fe).getCause() : CausedFocusEvent.Cause.UNKNOWN;
|
|
duke@0
|
445 |
Component oldFocusOwner = getGlobalFocusOwner();
|
|
duke@0
|
446 |
Component newFocusOwner = fe.getComponent();
|
|
duke@0
|
447 |
if (oldFocusOwner == newFocusOwner) {
|
|
mchung@1729
|
448 |
if (focusLog.isLoggable(PlatformLogger.FINE)) {
|
|
mchung@1729
|
449 |
focusLog.fine("Skipping {0} because focus owner is the same", e);
|
|
duke@0
|
450 |
}
|
|
duke@0
|
451 |
// We can't just drop the event - there could be
|
|
duke@0
|
452 |
// type-ahead markers associated with it.
|
|
duke@0
|
453 |
dequeueKeyEvents(-1, newFocusOwner);
|
|
duke@0
|
454 |
break;
|
|
duke@0
|
455 |
}
|
|
duke@0
|
456 |
|
|
duke@0
|
457 |
// If there exists a current focus owner, then notify it that
|
|
duke@0
|
458 |
// it has lost focus.
|
|
duke@0
|
459 |
if (oldFocusOwner != null) {
|
|
duke@0
|
460 |
boolean isEventDispatched =
|
|
duke@0
|
461 |
sendMessage(oldFocusOwner,
|
|
duke@0
|
462 |
new CausedFocusEvent(oldFocusOwner,
|
|
duke@0
|
463 |
FocusEvent.FOCUS_LOST,
|
|
duke@0
|
464 |
fe.isTemporary(),
|
|
duke@0
|
465 |
newFocusOwner, cause));
|
|
duke@0
|
466 |
// Failed to dispatch, clear by ourselfves
|
|
duke@0
|
467 |
if (!isEventDispatched) {
|
|
duke@0
|
468 |
setGlobalFocusOwner(null);
|
|
duke@0
|
469 |
if (!fe.isTemporary()) {
|
|
duke@0
|
470 |
setGlobalPermanentFocusOwner(null);
|
|
duke@0
|
471 |
}
|
|
duke@0
|
472 |
}
|
|
duke@0
|
473 |
}
|
|
duke@0
|
474 |
|
|
duke@0
|
475 |
// Because the native windowing system has a different notion
|
|
duke@0
|
476 |
// of the current focus and activation states, it is possible
|
|
duke@0
|
477 |
// that a Component outside of the focused Window receives a
|
|
duke@0
|
478 |
// FOCUS_GAINED event. We synthesize a WINDOW_GAINED_FOCUS
|
|
duke@0
|
479 |
// event in that case.
|
|
art@1045
|
480 |
final Window newFocusedWindow = SunToolkit.getContainingWindow(newFocusOwner);
|
|
duke@0
|
481 |
final Window currentFocusedWindow = getGlobalFocusedWindow();
|
|
duke@0
|
482 |
if (newFocusedWindow != null &&
|
|
duke@0
|
483 |
newFocusedWindow != currentFocusedWindow)
|
|
duke@0
|
484 |
{
|
|
duke@0
|
485 |
sendMessage(newFocusedWindow,
|
|
duke@0
|
486 |
new WindowEvent(newFocusedWindow,
|
|
duke@0
|
487 |
WindowEvent.WINDOW_GAINED_FOCUS,
|
|
duke@0
|
488 |
currentFocusedWindow));
|
|
duke@0
|
489 |
if (newFocusedWindow != getGlobalFocusedWindow()) {
|
|
duke@0
|
490 |
// Focus change was rejected. Will happen if
|
|
duke@0
|
491 |
// newFocusedWindow is not a focusable Window.
|
|
duke@0
|
492 |
|
|
duke@0
|
493 |
// Need to recover type-ahead, but don't bother
|
|
duke@0
|
494 |
// restoring focus. That was done by the
|
|
duke@0
|
495 |
// WINDOW_GAINED_FOCUS handler
|
|
duke@0
|
496 |
dequeueKeyEvents(-1, newFocusOwner);
|
|
duke@0
|
497 |
break;
|
|
duke@0
|
498 |
}
|
|
duke@0
|
499 |
}
|
|
duke@0
|
500 |
|
|
ant@543
|
501 |
if (!(newFocusOwner.isFocusable() && newFocusOwner.isShowing() &&
|
|
ant@543
|
502 |
// Refuse focus on a disabled component if the focus event
|
|
ant@543
|
503 |
// isn't of UNKNOWN reason (i.e. not a result of a direct request
|
|
ant@543
|
504 |
// but traversal, activation or system generated).
|
|
ant@543
|
505 |
(newFocusOwner.isEnabled() || cause.equals(CausedFocusEvent.Cause.UNKNOWN))))
|
|
duke@0
|
506 |
{
|
|
duke@0
|
507 |
// we should not accept focus on such component, so reject it.
|
|
duke@0
|
508 |
dequeueKeyEvents(-1, newFocusOwner);
|
|
ant@218
|
509 |
if (KeyboardFocusManager.isAutoFocusTransferEnabled()) {
|
|
ant@218
|
510 |
// If FOCUS_GAINED is for a disposed component (however
|
|
ant@218
|
511 |
// it shouldn't happen) its toplevel parent is null. In this
|
|
ant@218
|
512 |
// case we have to try to restore focus in the current focused
|
|
ant@218
|
513 |
// window (for the details: 6607170).
|
|
ant@218
|
514 |
if (newFocusedWindow == null) {
|
|
ant@218
|
515 |
restoreFocus(fe, currentFocusedWindow);
|
|
ant@218
|
516 |
} else {
|
|
ant@218
|
517 |
restoreFocus(fe, newFocusedWindow);
|
|
ant@218
|
518 |
}
|
|
duke@0
|
519 |
}
|
|
duke@0
|
520 |
break;
|
|
duke@0
|
521 |
}
|
|
duke@0
|
522 |
|
|
duke@0
|
523 |
setGlobalFocusOwner(newFocusOwner);
|
|
duke@0
|
524 |
|
|
duke@0
|
525 |
if (newFocusOwner != getGlobalFocusOwner()) {
|
|
duke@0
|
526 |
// Focus change was rejected. Will happen if
|
|
duke@0
|
527 |
// newFocusOwner is not focus traversable.
|
|
duke@0
|
528 |
dequeueKeyEvents(-1, newFocusOwner);
|
|
duke@0
|
529 |
if (KeyboardFocusManager.isAutoFocusTransferEnabled()) {
|
|
duke@0
|
530 |
restoreFocus(fe, (Window)newFocusedWindow);
|
|
duke@0
|
531 |
}
|
|
duke@0
|
532 |
break;
|
|
duke@0
|
533 |
}
|
|
duke@0
|
534 |
|
|
duke@0
|
535 |
if (!fe.isTemporary()) {
|
|
duke@0
|
536 |
setGlobalPermanentFocusOwner(newFocusOwner);
|
|
duke@0
|
537 |
|
|
duke@0
|
538 |
if (newFocusOwner != getGlobalPermanentFocusOwner()) {
|
|
duke@0
|
539 |
// Focus change was rejected. Unlikely, but possible.
|
|
duke@0
|
540 |
dequeueKeyEvents(-1, newFocusOwner);
|
|
duke@0
|
541 |
if (KeyboardFocusManager.isAutoFocusTransferEnabled()) {
|
|
duke@0
|
542 |
restoreFocus(fe, (Window)newFocusedWindow);
|
|
duke@0
|
543 |
}
|
|
duke@0
|
544 |
break;
|
|
duke@0
|
545 |
}
|
|
duke@0
|
546 |
}
|
|
duke@0
|
547 |
|
|
duke@0
|
548 |
setNativeFocusOwner(getHeavyweight(newFocusOwner));
|
|
duke@0
|
549 |
|
|
duke@0
|
550 |
Component realOppositeComponent = this.realOppositeComponentWR.get();
|
|
duke@0
|
551 |
if (realOppositeComponent != null &&
|
|
duke@0
|
552 |
realOppositeComponent != fe.getOppositeComponent()) {
|
|
duke@0
|
553 |
fe = new CausedFocusEvent(newFocusOwner,
|
|
duke@0
|
554 |
FocusEvent.FOCUS_GAINED,
|
|
duke@0
|
555 |
fe.isTemporary(),
|
|
duke@0
|
556 |
realOppositeComponent, cause);
|
|
duke@0
|
557 |
((AWTEvent) fe).isPosted = true;
|
|
duke@0
|
558 |
}
|
|
duke@0
|
559 |
return typeAheadAssertions(newFocusOwner, fe);
|
|
duke@0
|
560 |
}
|
|
duke@0
|
561 |
|
|
duke@0
|
562 |
case FocusEvent.FOCUS_LOST: {
|
|
duke@0
|
563 |
FocusEvent fe = (FocusEvent)e;
|
|
duke@0
|
564 |
Component currentFocusOwner = getGlobalFocusOwner();
|
|
duke@0
|
565 |
if (currentFocusOwner == null) {
|
|
mchung@1729
|
566 |
if (focusLog.isLoggable(PlatformLogger.FINE))
|
|
mchung@1729
|
567 |
focusLog.fine("Skipping {0} because focus owner is null", e);
|
|
duke@0
|
568 |
break;
|
|
duke@0
|
569 |
}
|
|
duke@0
|
570 |
// Ignore cases where a Component loses focus to itself.
|
|
duke@0
|
571 |
// If we make a mistake because of retargeting, then the
|
|
duke@0
|
572 |
// FOCUS_GAINED handler will correct it.
|
|
duke@0
|
573 |
if (currentFocusOwner == fe.getOppositeComponent()) {
|
|
mchung@1729
|
574 |
if (focusLog.isLoggable(PlatformLogger.FINE))
|
|
mchung@1729
|
575 |
focusLog.fine("Skipping {0} because current focus owner is equal to opposite", e);
|
|
duke@0
|
576 |
break;
|
|
duke@0
|
577 |
}
|
|
duke@0
|
578 |
|
|
duke@0
|
579 |
setGlobalFocusOwner(null);
|
|
duke@0
|
580 |
|
|
duke@0
|
581 |
if (getGlobalFocusOwner() != null) {
|
|
duke@0
|
582 |
// Focus change was rejected. Unlikely, but possible.
|
|
duke@0
|
583 |
restoreFocus(currentFocusOwner, true);
|
|
duke@0
|
584 |
break;
|
|
duke@0
|
585 |
}
|
|
duke@0
|
586 |
|
|
duke@0
|
587 |
if (!fe.isTemporary()) {
|
|
duke@0
|
588 |
setGlobalPermanentFocusOwner(null);
|
|
duke@0
|
589 |
|
|
duke@0
|
590 |
if (getGlobalPermanentFocusOwner() != null) {
|
|
duke@0
|
591 |
// Focus change was rejected. Unlikely, but possible.
|
|
duke@0
|
592 |
restoreFocus(currentFocusOwner, true);
|
|
duke@0
|
593 |
break;
|
|
duke@0
|
594 |
}
|
|
duke@0
|
595 |
} else {
|
|
duke@0
|
596 |
Window owningWindow = currentFocusOwner.getContainingWindow();
|
|
duke@0
|
597 |
if (owningWindow != null) {
|
|
duke@0
|
598 |
owningWindow.setTemporaryLostComponent(currentFocusOwner);
|
|
duke@0
|
599 |
}
|
|
duke@0
|
600 |
}
|
|
duke@0
|
601 |
|
|
duke@0
|
602 |
setNativeFocusOwner(null);
|
|
duke@0
|
603 |
|
|
duke@0
|
604 |
fe.setSource(currentFocusOwner);
|
|
duke@0
|
605 |
|
|
duke@0
|
606 |
realOppositeComponentWR = (fe.getOppositeComponent() != null)
|
|
duke@0
|
607 |
? new WeakReference<Component>(currentFocusOwner)
|
|
duke@0
|
608 |
: NULL_COMPONENT_WR;
|
|
duke@0
|
609 |
|
|
duke@0
|
610 |
return typeAheadAssertions(currentFocusOwner, fe);
|
|
duke@0
|
611 |
}
|
|
duke@0
|
612 |
|
|
duke@0
|
613 |
case WindowEvent.WINDOW_DEACTIVATED: {
|
|
duke@0
|
614 |
WindowEvent we = (WindowEvent)e;
|
|
duke@0
|
615 |
Window currentActiveWindow = getGlobalActiveWindow();
|
|
duke@0
|
616 |
if (currentActiveWindow == null) {
|
|
duke@0
|
617 |
break;
|
|
duke@0
|
618 |
}
|
|
duke@0
|
619 |
|
|
duke@0
|
620 |
if (currentActiveWindow != e.getSource()) {
|
|
duke@0
|
621 |
// The event is lost in time.
|
|
duke@0
|
622 |
// Allow listeners to precess the event but do not
|
|
duke@0
|
623 |
// change any global states
|
|
duke@0
|
624 |
break;
|
|
duke@0
|
625 |
}
|
|
duke@0
|
626 |
|
|
duke@0
|
627 |
setGlobalActiveWindow(null);
|
|
duke@0
|
628 |
if (getGlobalActiveWindow() != null) {
|
|
duke@0
|
629 |
// Activation change was rejected. Unlikely, but possible.
|
|
duke@0
|
630 |
break;
|
|
duke@0
|
631 |
}
|
|
duke@0
|
632 |
|
|
duke@0
|
633 |
we.setSource(currentActiveWindow);
|
|
duke@0
|
634 |
return typeAheadAssertions(currentActiveWindow, we);
|
|
duke@0
|
635 |
}
|
|
duke@0
|
636 |
|
|
duke@0
|
637 |
case WindowEvent.WINDOW_LOST_FOCUS: {
|
|
duke@0
|
638 |
WindowEvent we = (WindowEvent)e;
|
|
duke@0
|
639 |
Window currentFocusedWindow = getGlobalFocusedWindow();
|
|
duke@0
|
640 |
Window losingFocusWindow = we.getWindow();
|
|
duke@0
|
641 |
Window activeWindow = getGlobalActiveWindow();
|
|
duke@0
|
642 |
Window oppositeWindow = we.getOppositeWindow();
|
|
mchung@1729
|
643 |
if (focusLog.isLoggable(PlatformLogger.FINE))
|
|
mchung@1729
|
644 |
focusLog.fine("Active {0}, Current focused {1}, losing focus {2} opposite {3}",
|
|
mchung@1729
|
645 |
activeWindow, currentFocusedWindow,
|
|
mchung@1729
|
646 |
losingFocusWindow, oppositeWindow);
|
|
duke@0
|
647 |
if (currentFocusedWindow == null) {
|
|
duke@0
|
648 |
break;
|
|
duke@0
|
649 |
}
|
|
duke@0
|
650 |
|
|
duke@0
|
651 |
// Special case -- if the native windowing system posts an
|
|
duke@0
|
652 |
// event claiming that the active Window has lost focus to the
|
|
duke@0
|
653 |
// focused Window, then discard the event. This is an artifact
|
|
duke@0
|
654 |
// of the native windowing system not knowing which Window is
|
|
duke@0
|
655 |
// really focused.
|
|
duke@0
|
656 |
if (inSendMessage == 0 && losingFocusWindow == activeWindow &&
|
|
duke@0
|
657 |
oppositeWindow == currentFocusedWindow)
|
|
duke@0
|
658 |
{
|
|
duke@0
|
659 |
break;
|
|
duke@0
|
660 |
}
|
|
duke@0
|
661 |
|
|
duke@0
|
662 |
Component currentFocusOwner = getGlobalFocusOwner();
|
|
duke@0
|
663 |
if (currentFocusOwner != null) {
|
|
duke@0
|
664 |
// The focus owner should always receive a FOCUS_LOST event
|
|
duke@0
|
665 |
// before the Window is defocused.
|
|
duke@0
|
666 |
Component oppositeComp = null;
|
|
duke@0
|
667 |
if (oppositeWindow != null) {
|
|
duke@0
|
668 |
oppositeComp = oppositeWindow.getTemporaryLostComponent();
|
|
duke@0
|
669 |
if (oppositeComp == null) {
|
|
duke@0
|
670 |
oppositeComp = oppositeWindow.getMostRecentFocusOwner();
|
|
duke@0
|
671 |
}
|
|
duke@0
|
672 |
}
|
|
duke@0
|
673 |
if (oppositeComp == null) {
|
|
duke@0
|
674 |
oppositeComp = oppositeWindow;
|
|
duke@0
|
675 |
}
|
|
duke@0
|
676 |
sendMessage(currentFocusOwner,
|
|
duke@0
|
677 |
new CausedFocusEvent(currentFocusOwner,
|
|
duke@0
|
678 |
FocusEvent.FOCUS_LOST,
|
|
duke@0
|
679 |
true,
|
|
duke@0
|
680 |
oppositeComp, CausedFocusEvent.Cause.ACTIVATION));
|
|
duke@0
|
681 |
}
|
|
duke@0
|
682 |
|
|
duke@0
|
683 |
setGlobalFocusedWindow(null);
|
|
duke@0
|
684 |
if (getGlobalFocusedWindow() != null) {
|
|
duke@0
|
685 |
// Focus change was rejected. Unlikely, but possible.
|
|
duke@0
|
686 |
restoreFocus(currentFocusedWindow, null, true);
|
|
duke@0
|
687 |
break;
|
|
duke@0
|
688 |
}
|
|
duke@0
|
689 |
|
|
duke@0
|
690 |
we.setSource(currentFocusedWindow);
|
|
duke@0
|
691 |
realOppositeWindowWR = (oppositeWindow != null)
|
|
duke@0
|
692 |
? new WeakReference<Window>(currentFocusedWindow)
|
|
duke@0
|
693 |
: NULL_WINDOW_WR;
|
|
duke@0
|
694 |
typeAheadAssertions(currentFocusedWindow, we);
|
|
duke@0
|
695 |
|
|
duke@0
|
696 |
if (oppositeWindow == null) {
|
|
duke@0
|
697 |
// Then we need to deactive the active Window as well.
|
|
duke@0
|
698 |
// No need to synthesize in other cases, because
|
|
duke@0
|
699 |
// WINDOW_ACTIVATED will handle it if necessary.
|
|
duke@0
|
700 |
sendMessage(activeWindow,
|
|
duke@0
|
701 |
new WindowEvent(activeWindow,
|
|
duke@0
|
702 |
WindowEvent.WINDOW_DEACTIVATED,
|
|
duke@0
|
703 |
null));
|
|
duke@0
|
704 |
if (getGlobalActiveWindow() != null) {
|
|
duke@0
|
705 |
// Activation change was rejected. Unlikely,
|
|
duke@0
|
706 |
// but possible.
|
|
duke@0
|
707 |
restoreFocus(currentFocusedWindow, null, true);
|
|
duke@0
|
708 |
}
|
|
duke@0
|
709 |
}
|
|
duke@0
|
710 |
break;
|
|
duke@0
|
711 |
}
|
|
duke@0
|
712 |
|
|
duke@0
|
713 |
case KeyEvent.KEY_TYPED:
|
|
duke@0
|
714 |
case KeyEvent.KEY_PRESSED:
|
|
duke@0
|
715 |
case KeyEvent.KEY_RELEASED:
|
|
duke@0
|
716 |
return typeAheadAssertions(null, e);
|
|
duke@0
|
717 |
|
|
duke@0
|
718 |
default:
|
|
duke@0
|
719 |
return false;
|
|
duke@0
|
720 |
}
|
|
duke@0
|
721 |
|
|
duke@0
|
722 |
return true;
|
|
duke@0
|
723 |
}
|
|
duke@0
|
724 |
|
|
duke@0
|
725 |
/**
|
|
duke@0
|
726 |
* Called by <code>dispatchEvent</code> if no other
|
|
duke@0
|
727 |
* KeyEventDispatcher in the dispatcher chain dispatched the KeyEvent, or
|
|
duke@0
|
728 |
* if no other KeyEventDispatchers are registered. If the event has not
|
|
duke@0
|
729 |
* been consumed, its target is enabled, and the focus owner is not null,
|
|
duke@0
|
730 |
* this method dispatches the event to its target. This method will also
|
|
duke@0
|
731 |
* subsequently dispatch the event to all registered
|
|
duke@0
|
732 |
* KeyEventPostProcessors. After all this operations are finished,
|
|
duke@0
|
733 |
* the event is passed to peers for processing.
|
|
duke@0
|
734 |
* <p>
|
|
duke@0
|
735 |
* In all cases, this method returns <code>true</code>, since
|
|
duke@0
|
736 |
* DefaultKeyboardFocusManager is designed so that neither
|
|
duke@0
|
737 |
* <code>dispatchEvent</code>, nor the AWT event dispatcher, should take
|
|
duke@0
|
738 |
* further action on the event in any situation.
|
|
duke@0
|
739 |
*
|
|
duke@0
|
740 |
* @param e the KeyEvent to be dispatched
|
|
duke@0
|
741 |
* @return <code>true</code>
|
|
duke@0
|
742 |
* @see Component#dispatchEvent
|
|
duke@0
|
743 |
*/
|
|
duke@0
|
744 |
public boolean dispatchKeyEvent(KeyEvent e) {
|
|
duke@0
|
745 |
Component focusOwner = (((AWTEvent)e).isPosted) ? getFocusOwner() : e.getComponent();
|
|
duke@0
|
746 |
|
|
ant@543
|
747 |
if (focusOwner != null && focusOwner.isShowing() && focusOwner.canBeFocusOwner()) {
|
|
duke@0
|
748 |
if (!e.isConsumed()) {
|
|
duke@0
|
749 |
Component comp = e.getComponent();
|
|
duke@0
|
750 |
if (comp != null && comp.isEnabled()) {
|
|
duke@0
|
751 |
redispatchEvent(comp, e);
|
|
duke@0
|
752 |
}
|
|
duke@0
|
753 |
}
|
|
duke@0
|
754 |
}
|
|
duke@0
|
755 |
boolean stopPostProcessing = false;
|
|
duke@0
|
756 |
java.util.List processors = getKeyEventPostProcessors();
|
|
duke@0
|
757 |
if (processors != null) {
|
|
duke@0
|
758 |
for (java.util.Iterator iter = processors.iterator();
|
|
duke@0
|
759 |
!stopPostProcessing && iter.hasNext(); )
|
|
duke@0
|
760 |
{
|
|
duke@0
|
761 |
stopPostProcessing = (((KeyEventPostProcessor)(iter.next())).
|
|
duke@0
|
762 |
postProcessKeyEvent(e));
|
|
duke@0
|
763 |
}
|
|
duke@0
|
764 |
}
|
|
duke@0
|
765 |
if (!stopPostProcessing) {
|
|
duke@0
|
766 |
postProcessKeyEvent(e);
|
|
duke@0
|
767 |
}
|
|
duke@0
|
768 |
|
|
duke@0
|
769 |
// Allow the peer to process KeyEvent
|
|
duke@0
|
770 |
Component source = e.getComponent();
|
|
duke@0
|
771 |
ComponentPeer peer = source.getPeer();
|
|
duke@0
|
772 |
|
|
duke@0
|
773 |
if (peer == null || peer instanceof LightweightPeer) {
|
|
duke@0
|
774 |
// if focus owner is lightweight then its native container
|
|
duke@0
|
775 |
// processes event
|
|
duke@0
|
776 |
Container target = source.getNativeContainer();
|
|
duke@0
|
777 |
if (target != null) {
|
|
duke@0
|
778 |
peer = target.getPeer();
|
|
duke@0
|
779 |
}
|
|
duke@0
|
780 |
}
|
|
duke@0
|
781 |
if (peer != null) {
|
|
duke@0
|
782 |
peer.handleEvent(e);
|
|
duke@0
|
783 |
}
|
|
duke@0
|
784 |
|
|
duke@0
|
785 |
return true;
|
|
duke@0
|
786 |
}
|
|
duke@0
|
787 |
|
|
duke@0
|
788 |
/**
|
|
duke@0
|
789 |
* This method will be called by <code>dispatchKeyEvent</code>. It will
|
|
duke@0
|
790 |
* handle any unconsumed KeyEvents that map to an AWT
|
|
duke@0
|
791 |
* <code>MenuShortcut</code> by consuming the event and activating the
|
|
duke@0
|
792 |
* shortcut.
|
|
duke@0
|
793 |
*
|
|
duke@0
|
794 |
* @param e the KeyEvent to post-process
|
|
duke@0
|
795 |
* @return <code>true</code>
|
|
duke@0
|
796 |
* @see #dispatchKeyEvent
|
|
duke@0
|
797 |
* @see MenuShortcut
|
|
duke@0
|
798 |
*/
|
|
duke@0
|
799 |
public boolean postProcessKeyEvent(KeyEvent e) {
|
|
duke@0
|
800 |
if (!e.isConsumed()) {
|
|
duke@0
|
801 |
Component target = e.getComponent();
|
|
duke@0
|
802 |
Container p = (Container)
|
|
duke@0
|
803 |
(target instanceof Container ? target : target.getParent());
|
|
duke@0
|
804 |
if (p != null) {
|
|
duke@0
|
805 |
p.postProcessKeyEvent(e);
|
|
duke@0
|
806 |
}
|
|
duke@0
|
807 |
}
|
|
duke@0
|
808 |
return true;
|
|
duke@0
|
809 |
}
|
|
duke@0
|
810 |
|
|
duke@0
|
811 |
private void pumpApprovedKeyEvents() {
|
|
duke@0
|
812 |
KeyEvent ke;
|
|
duke@0
|
813 |
do {
|
|
duke@0
|
814 |
ke = null;
|
|
duke@0
|
815 |
synchronized (this) {
|
|
duke@0
|
816 |
if (enqueuedKeyEvents.size() != 0) {
|
|
duke@0
|
817 |
ke = (KeyEvent)enqueuedKeyEvents.getFirst();
|
|
duke@0
|
818 |
if (typeAheadMarkers.size() != 0) {
|
|
duke@0
|
819 |
TypeAheadMarker marker = (TypeAheadMarker)
|
|
duke@0
|
820 |
typeAheadMarkers.getFirst();
|
|
duke@0
|
821 |
// Fixed 5064013: may appears that the events have the same time
|
|
duke@0
|
822 |
// if (ke.getWhen() >= marker.after) {
|
|
duke@0
|
823 |
// The fix is rolled out.
|
|
duke@0
|
824 |
|
|
duke@0
|
825 |
if (ke.getWhen() > marker.after) {
|
|
duke@0
|
826 |
ke = null;
|
|
duke@0
|
827 |
}
|
|
duke@0
|
828 |
}
|
|
duke@0
|
829 |
if (ke != null) {
|
|
mchung@1729
|
830 |
focusLog.finer("Pumping approved event {0}", ke);
|
|
duke@0
|
831 |
enqueuedKeyEvents.removeFirst();
|
|
duke@0
|
832 |
}
|
|
duke@0
|
833 |
}
|
|
duke@0
|
834 |
}
|
|
duke@0
|
835 |
if (ke != null) {
|
|
duke@0
|
836 |
preDispatchKeyEvent(ke);
|
|
duke@0
|
837 |
}
|
|
duke@0
|
838 |
} while (ke != null);
|
|
duke@0
|
839 |
}
|
|
duke@0
|
840 |
|
|
duke@0
|
841 |
/**
|
|
duke@0
|
842 |
* Dumps the list of type-ahead queue markers to stderr
|
|
duke@0
|
843 |
*/
|
|
duke@0
|
844 |
void dumpMarkers() {
|
|
mchung@1729
|
845 |
if (focusLog.isLoggable(PlatformLogger.FINEST)) {
|
|
mchung@1729
|
846 |
focusLog.finest(">>> Markers dump, time: {0}", System.currentTimeMillis());
|
|
duke@0
|
847 |
synchronized (this) {
|
|
duke@0
|
848 |
if (typeAheadMarkers.size() != 0) {
|
|
duke@0
|
849 |
Iterator iter = typeAheadMarkers.iterator();
|
|
duke@0
|
850 |
while (iter.hasNext()) {
|
|
duke@0
|
851 |
TypeAheadMarker marker = (TypeAheadMarker)iter.next();
|
|
mchung@1729
|
852 |
focusLog.finest(" {0}", marker);
|
|
duke@0
|
853 |
}
|
|
duke@0
|
854 |
}
|
|
duke@0
|
855 |
}
|
|
duke@0
|
856 |
}
|
|
duke@0
|
857 |
}
|
|
duke@0
|
858 |
|
|
duke@0
|
859 |
private boolean typeAheadAssertions(Component target, AWTEvent e) {
|
|
duke@0
|
860 |
|
|
duke@0
|
861 |
// Clear any pending events here as well as in the FOCUS_GAINED
|
|
duke@0
|
862 |
// handler. We need this call here in case a marker was removed in
|
|
duke@0
|
863 |
// response to a call to dequeueKeyEvents.
|
|
duke@0
|
864 |
pumpApprovedKeyEvents();
|
|
duke@0
|
865 |
|
|
duke@0
|
866 |
switch (e.getID()) {
|
|
duke@0
|
867 |
case KeyEvent.KEY_TYPED:
|
|
duke@0
|
868 |
case KeyEvent.KEY_PRESSED:
|
|
duke@0
|
869 |
case KeyEvent.KEY_RELEASED: {
|
|
duke@0
|
870 |
KeyEvent ke = (KeyEvent)e;
|
|
duke@0
|
871 |
synchronized (this) {
|
|
duke@0
|
872 |
if (e.isPosted && typeAheadMarkers.size() != 0) {
|
|
duke@0
|
873 |
TypeAheadMarker marker = (TypeAheadMarker)
|
|
duke@0
|
874 |
typeAheadMarkers.getFirst();
|
|
duke@0
|
875 |
// Fixed 5064013: may appears that the events have the same time
|
|
duke@0
|
876 |
// if (ke.getWhen() >= marker.after) {
|
|
duke@0
|
877 |
// The fix is rolled out.
|
|
duke@0
|
878 |
|
|
duke@0
|
879 |
if (ke.getWhen() > marker.after) {
|
|
mchung@1729
|
880 |
focusLog.finer("Storing event {0} because of marker {1}", ke, marker);
|
|
duke@0
|
881 |
enqueuedKeyEvents.addLast(ke);
|
|
duke@0
|
882 |
return true;
|
|
duke@0
|
883 |
}
|
|
duke@0
|
884 |
}
|
|
duke@0
|
885 |
}
|
|
duke@0
|
886 |
|
|
duke@0
|
887 |
// KeyEvent was posted before focus change request
|
|
duke@0
|
888 |
return preDispatchKeyEvent(ke);
|
|
duke@0
|
889 |
}
|
|
duke@0
|
890 |
|
|
duke@0
|
891 |
case FocusEvent.FOCUS_GAINED:
|
|
mchung@1729
|
892 |
focusLog.finest("Markers before FOCUS_GAINED on {0}", target);
|
|
duke@0
|
893 |
dumpMarkers();
|
|
duke@0
|
894 |
// Search the marker list for the first marker tied to
|
|
duke@0
|
895 |
// the Component which just gained focus. Then remove
|
|
duke@0
|
896 |
// that marker, any markers which immediately follow
|
|
duke@0
|
897 |
// and are tied to the same component, and all markers
|
|
duke@0
|
898 |
// that preceed it. This handles the case where
|
|
duke@0
|
899 |
// multiple focus requests were made for the same
|
|
duke@0
|
900 |
// Component in a row and when we lost some of the
|
|
duke@0
|
901 |
// earlier requests. Since FOCUS_GAINED events will
|
|
duke@0
|
902 |
// not be generated for these additional requests, we
|
|
duke@0
|
903 |
// need to clear those markers too.
|
|
duke@0
|
904 |
synchronized (this) {
|
|
duke@0
|
905 |
boolean found = false;
|
|
duke@0
|
906 |
if (hasMarker(target)) {
|
|
duke@0
|
907 |
for (Iterator iter = typeAheadMarkers.iterator();
|
|
duke@0
|
908 |
iter.hasNext(); )
|
|
duke@0
|
909 |
{
|
|
duke@0
|
910 |
if (((TypeAheadMarker)iter.next()).untilFocused ==
|
|
duke@0
|
911 |
target)
|
|
duke@0
|
912 |
{
|
|
duke@0
|
913 |
found = true;
|
|
duke@0
|
914 |
} else if (found) {
|
|
duke@0
|
915 |
break;
|
|
duke@0
|
916 |
}
|
|
duke@0
|
917 |
iter.remove();
|
|
duke@0
|
918 |
}
|
|
duke@0
|
919 |
} else {
|
|
duke@0
|
920 |
// Exception condition - event without marker
|
|
mchung@1729
|
921 |
focusLog.finer("Event without marker {0}", e);
|
|
duke@0
|
922 |
}
|
|
duke@0
|
923 |
}
|
|
mchung@1729
|
924 |
focusLog.finest("Markers after FOCUS_GAINED");
|
|
duke@0
|
925 |
dumpMarkers();
|
|
duke@0
|
926 |
|
|
duke@0
|
927 |
redispatchEvent(target, e);
|
|
duke@0
|
928 |
|
|
duke@0
|
929 |
// Now, dispatch any pending KeyEvents which have been
|
|
duke@0
|
930 |
// released because of the FOCUS_GAINED event so that we don't
|
|
duke@0
|
931 |
// have to wait for another event to be posted to the queue.
|
|
duke@0
|
932 |
pumpApprovedKeyEvents();
|
|
duke@0
|
933 |
return true;
|
|
duke@0
|
934 |
|
|
duke@0
|
935 |
default:
|
|
duke@0
|
936 |
redispatchEvent(target, e);
|
|
duke@0
|
937 |
return true;
|
|
duke@0
|
938 |
}
|
|
duke@0
|
939 |
}
|
|
duke@0
|
940 |
|
|
duke@0
|
941 |
/**
|
|
duke@0
|
942 |
* Returns true if there are some marker associated with component <code>comp</code>
|
|
duke@0
|
943 |
* in a markers' queue
|
|
duke@0
|
944 |
* @since 1.5
|
|
duke@0
|
945 |
*/
|
|
duke@0
|
946 |
private boolean hasMarker(Component comp) {
|
|
duke@0
|
947 |
for (Iterator iter = typeAheadMarkers.iterator(); iter.hasNext(); ) {
|
|
duke@0
|
948 |
if (((TypeAheadMarker)iter.next()).untilFocused == comp) {
|
|
duke@0
|
949 |
return true;
|
|
duke@0
|
950 |
}
|
|
duke@0
|
951 |
}
|
|
duke@0
|
952 |
return false;
|
|
duke@0
|
953 |
}
|
|
duke@0
|
954 |
|
|
duke@0
|
955 |
/**
|
|
duke@0
|
956 |
* Clears markers queue
|
|
duke@0
|
957 |
* @since 1.5
|
|
duke@0
|
958 |
*/
|
|
duke@0
|
959 |
void clearMarkers() {
|
|
duke@0
|
960 |
synchronized(this) {
|
|
duke@0
|
961 |
typeAheadMarkers.clear();
|
|
duke@0
|
962 |
}
|
|
duke@0
|
963 |
}
|
|
duke@0
|
964 |
|
|
duke@0
|
965 |
private boolean preDispatchKeyEvent(KeyEvent ke) {
|
|
duke@0
|
966 |
if (((AWTEvent) ke).isPosted) {
|
|
duke@0
|
967 |
Component focusOwner = getFocusOwner();
|
|
duke@0
|
968 |
ke.setSource(((focusOwner != null) ? focusOwner : getFocusedWindow()));
|
|
duke@0
|
969 |
}
|
|
duke@0
|
970 |
if (ke.getSource() == null) {
|
|
duke@0
|
971 |
return true;
|
|
duke@0
|
972 |
}
|
|
duke@0
|
973 |
|
|
duke@0
|
974 |
// Explicitly set the current event and most recent timestamp here in
|
|
duke@0
|
975 |
// addition to the call in Component.dispatchEventImpl. Because
|
|
duke@0
|
976 |
// KeyEvents can be delivered in response to a FOCUS_GAINED event, the
|
|
duke@0
|
977 |
// current timestamp may be incorrect. We need to set it here so that
|
|
duke@0
|
978 |
// KeyEventDispatchers will use the correct time.
|
|
duke@0
|
979 |
EventQueue.setCurrentEventAndMostRecentTime(ke);
|
|
duke@0
|
980 |
|
|
duke@0
|
981 |
/**
|
|
duke@0
|
982 |
* Fix for 4495473.
|
|
duke@0
|
983 |
* This fix allows to correctly dispatch events when native
|
|
duke@0
|
984 |
* event proxying mechanism is active.
|
|
duke@0
|
985 |
* If it is active we should redispatch key events after
|
|
duke@0
|
986 |
* we detected its correct target.
|
|
duke@0
|
987 |
*/
|
|
duke@0
|
988 |
if (KeyboardFocusManager.isProxyActive(ke)) {
|
|
duke@0
|
989 |
Component source = (Component)ke.getSource();
|
|
duke@0
|
990 |
Container target = source.getNativeContainer();
|
|
duke@0
|
991 |
if (target != null) {
|
|
duke@0
|
992 |
ComponentPeer peer = target.getPeer();
|
|
duke@0
|
993 |
if (peer != null) {
|
|
duke@0
|
994 |
peer.handleEvent(ke);
|
|
duke@0
|
995 |
/**
|
|
duke@0
|
996 |
* Fix for 4478780 - consume event after it was dispatched by peer.
|
|
duke@0
|
997 |
*/
|
|
duke@0
|
998 |
ke.consume();
|
|
duke@0
|
999 |
}
|
|
duke@0
|
1000 |
}
|
|
duke@0
|
1001 |
return true;
|
|
duke@0
|
1002 |
}
|
|
duke@0
|
1003 |
|
|
duke@0
|
1004 |
java.util.List dispatchers = getKeyEventDispatchers();
|
|
duke@0
|
1005 |
if (dispatchers != null) {
|
|
duke@0
|
1006 |
for (java.util.Iterator iter = dispatchers.iterator();
|
|
duke@0
|
1007 |
iter.hasNext(); )
|
|
duke@0
|
1008 |
{
|
|
duke@0
|
1009 |
if (((KeyEventDispatcher)(iter.next())).
|
|
duke@0
|
1010 |
dispatchKeyEvent(ke))
|
|
duke@0
|
1011 |
{
|
|
duke@0
|
1012 |
return true;
|
|
duke@0
|
1013 |
}
|
|
duke@0
|
1014 |
}
|
|
duke@0
|
1015 |
}
|
|
duke@0
|
1016 |
return dispatchKeyEvent(ke);
|
|
duke@0
|
1017 |
}
|
|
duke@0
|
1018 |
|
|
duke@0
|
1019 |
/*
|
|
duke@0
|
1020 |
* @param e is a KEY_PRESSED event that can be used
|
|
duke@0
|
1021 |
* to track the next KEY_TYPED related.
|
|
duke@0
|
1022 |
*/
|
|
duke@0
|
1023 |
private void consumeNextKeyTyped(KeyEvent e) {
|
|
duke@0
|
1024 |
consumeNextKeyTyped = true;
|
|
duke@0
|
1025 |
}
|
|
duke@0
|
1026 |
|
|
duke@0
|
1027 |
private void consumeTraversalKey(KeyEvent e) {
|
|
duke@0
|
1028 |
e.consume();
|
|
duke@0
|
1029 |
consumeNextKeyTyped = (e.getID() == KeyEvent.KEY_PRESSED) &&
|
|
duke@0
|
1030 |
!e.isActionKey();
|
|
duke@0
|
1031 |
}
|
|
duke@0
|
1032 |
|
|
duke@0
|
1033 |
/*
|
|
duke@0
|
1034 |
* return true if event was consumed
|
|
duke@0
|
1035 |
*/
|
|
duke@0
|
1036 |
private boolean consumeProcessedKeyEvent(KeyEvent e) {
|
|
duke@0
|
1037 |
if ((e.getID() == KeyEvent.KEY_TYPED) && consumeNextKeyTyped) {
|
|
duke@0
|
1038 |
e.consume();
|
|
duke@0
|
1039 |
consumeNextKeyTyped = false;
|
|
duke@0
|
1040 |
return true;
|
|
duke@0
|
1041 |
}
|
|
duke@0
|
1042 |
return false;
|
|
duke@0
|
1043 |
}
|
|
duke@0
|
1044 |
|
|
duke@0
|
1045 |
/**
|
|
duke@0
|
1046 |
* This method initiates a focus traversal operation if and only if the
|
|
duke@0
|
1047 |
* KeyEvent represents a focus traversal key for the specified
|
|
duke@0
|
1048 |
* focusedComponent. It is expected that focusedComponent is the current
|
|
duke@0
|
1049 |
* focus owner, although this need not be the case. If it is not,
|
|
duke@0
|
1050 |
* focus traversal will nevertheless proceed as if focusedComponent
|
|
duke@0
|
1051 |
* were the focus owner.
|
|
duke@0
|
1052 |
*
|
|
duke@0
|
1053 |
* @param focusedComponent the Component that is the basis for a focus
|
|
duke@0
|
1054 |
* traversal operation if the specified event represents a focus
|
|
duke@0
|
1055 |
* traversal key for the Component
|
|
duke@0
|
1056 |
* @param e the event that may represent a focus traversal key
|
|
duke@0
|
1057 |
*/
|
|
duke@0
|
1058 |
public void processKeyEvent(Component focusedComponent, KeyEvent e) {
|
|
duke@0
|
1059 |
// consume processed event if needed
|
|
duke@0
|
1060 |
if (consumeProcessedKeyEvent(e)) {
|
|
duke@0
|
1061 |
return;
|
|
duke@0
|
1062 |
}
|
|
duke@0
|
1063 |
|
|
duke@0
|
1064 |
// KEY_TYPED events cannot be focus traversal keys
|
|
duke@0
|
1065 |
if (e.getID() == KeyEvent.KEY_TYPED) {
|
|
duke@0
|
1066 |
return;
|
|
duke@0
|
1067 |
}
|
|
duke@0
|
1068 |
|
|
duke@0
|
1069 |
if (focusedComponent.getFocusTraversalKeysEnabled() &&
|
|
duke@0
|
1070 |
!e.isConsumed())
|
|
duke@0
|
1071 |
{
|
|
duke@0
|
1072 |
AWTKeyStroke stroke = AWTKeyStroke.getAWTKeyStrokeForEvent(e),
|
|
duke@0
|
1073 |
oppStroke = AWTKeyStroke.getAWTKeyStroke(stroke.getKeyCode(),
|
|
duke@0
|
1074 |
stroke.getModifiers(),
|
|
duke@0
|
1075 |
!stroke.isOnKeyRelease());
|
|
duke@0
|
1076 |
Set toTest;
|
|
duke@0
|
1077 |
boolean contains, containsOpp;
|
|
duke@0
|
1078 |
|
|
duke@0
|
1079 |
toTest = focusedComponent.getFocusTraversalKeys(
|
|
duke@0
|
1080 |
KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS);
|
|
duke@0
|
1081 |
contains = toTest.contains(stroke);
|
|
duke@0
|
1082 |
containsOpp = toTest.contains(oppStroke);
|
|
duke@0
|
1083 |
|
|
duke@0
|
1084 |
if (contains || containsOpp) {
|
|
duke@0
|
1085 |
consumeTraversalKey(e);
|
|
duke@0
|
1086 |
if (contains) {
|
|
duke@0
|
1087 |
focusNextComponent(focusedComponent);
|
|
duke@0
|
1088 |
}
|
|
duke@0
|
1089 |
return;
|
|
ant@196
|
1090 |
} else if (e.getID() == KeyEvent.KEY_PRESSED) {
|
|
ant@196
|
1091 |
// Fix for 6637607: consumeNextKeyTyped should be reset.
|
|
ant@196
|
1092 |
consumeNextKeyTyped = false;
|
|
duke@0
|
1093 |
}
|
|
duke@0
|
1094 |
|
|
duke@0
|
1095 |
toTest = focusedComponent.getFocusTraversalKeys(
|
|
duke@0
|
1096 |
KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS);
|
|
duke@0
|
1097 |
contains = toTest.contains(stroke);
|
|
duke@0
|
1098 |
containsOpp = toTest.contains(oppStroke);
|
|
duke@0
|
1099 |
|
|
duke@0
|
1100 |
if (contains || containsOpp) {
|
|
duke@0
|
1101 |
consumeTraversalKey(e);
|
|
duke@0
|
1102 |
if (contains) {
|
|
duke@0
|
1103 |
focusPreviousComponent(focusedComponent);
|
|
duke@0
|
1104 |
}
|
|
duke@0
|
1105 |
return;
|
|
duke@0
|
1106 |
}
|
|
duke@0
|
1107 |
|
|
duke@0
|
1108 |
toTest = focusedComponent.getFocusTraversalKeys(
|
|
duke@0
|
1109 |
KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS);
|
|
duke@0
|
1110 |
contains = toTest.contains(stroke);
|
|
duke@0
|
1111 |
containsOpp = toTest.contains(oppStroke);
|
|
duke@0
|
1112 |
|
|
duke@0
|
1113 |
if (contains || containsOpp) {
|
|
duke@0
|
1114 |
consumeTraversalKey(e);
|
|
duke@0
|
1115 |
if (contains) {
|
|
duke@0
|
1116 |
upFocusCycle(focusedComponent);
|
|
duke@0
|
1117 |
}
|
|
duke@0
|
1118 |
return;
|
|
duke@0
|
1119 |
}
|
|
duke@0
|
1120 |
|
|
duke@0
|
1121 |
if (!((focusedComponent instanceof Container) &&
|
|
duke@0
|
1122 |
((Container)focusedComponent).isFocusCycleRoot())) {
|
|
duke@0
|
1123 |
return;
|
|
duke@0
|
1124 |
}
|
|
duke@0
|
1125 |
|
|
duke@0
|
1126 |
toTest = focusedComponent.getFocusTraversalKeys(
|
|
duke@0
|
1127 |
KeyboardFocusManager.DOWN_CYCLE_TRAVERSAL_KEYS);
|
|
duke@0
|
1128 |
contains = toTest.contains(stroke);
|
|
duke@0
|
1129 |
containsOpp = toTest.contains(oppStroke);
|
|
duke@0
|
1130 |
|
|
duke@0
|
1131 |
if (contains || containsOpp) {
|
|
duke@0
|
1132 |
consumeTraversalKey(e);
|
|
duke@0
|
1133 |
if (contains) {
|
|
duke@0
|
1134 |
downFocusCycle((Container)focusedComponent);
|
|
duke@0
|
1135 |
}
|
|
duke@0
|
1136 |
}
|
|
duke@0
|
1137 |
}
|
|
duke@0
|
1138 |
}
|
|
duke@0
|
1139 |
|
|
duke@0
|
1140 |
/**
|
|
duke@0
|
1141 |
* Delays dispatching of KeyEvents until the specified Component becomes
|
|
duke@0
|
1142 |
* the focus owner. KeyEvents with timestamps later than the specified
|
|
duke@0
|
1143 |
* timestamp will be enqueued until the specified Component receives a
|
|
duke@0
|
1144 |
* FOCUS_GAINED event, or the AWT cancels the delay request by invoking
|
|
duke@0
|
1145 |
* <code>dequeueKeyEvents</code> or <code>discardKeyEvents</code>.
|
|
duke@0
|
1146 |
*
|
|
duke@0
|
1147 |
* @param after timestamp of current event, or the current, system time if
|
|
duke@0
|
1148 |
* the current event has no timestamp, or the AWT cannot determine
|
|
duke@0
|
1149 |
* which event is currently being handled
|
|
duke@0
|
1150 |
* @param untilFocused Component which will receive a FOCUS_GAINED event
|
|
duke@0
|
1151 |
* before any pending KeyEvents
|
|
duke@0
|
1152 |
* @see #dequeueKeyEvents
|
|
duke@0
|
1153 |
* @see #discardKeyEvents
|
|
duke@0
|
1154 |
*/
|
|
duke@0
|
1155 |
protected synchronized void enqueueKeyEvents(long after,
|
|
duke@0
|
1156 |
Component untilFocused) {
|
|
duke@0
|
1157 |
if (untilFocused == null) {
|
|
duke@0
|
1158 |
return;
|
|
duke@0
|
1159 |
}
|
|
duke@0
|
1160 |
|
|
mchung@1729
|
1161 |
focusLog.finer("Enqueue at {0} for {1}",
|
|
mchung@1729
|
1162 |
after, untilFocused);
|
|
duke@0
|
1163 |
|
|
duke@0
|
1164 |
int insertionIndex = 0,
|
|
duke@0
|
1165 |
i = typeAheadMarkers.size();
|
|
duke@0
|
1166 |
ListIterator iter = typeAheadMarkers.listIterator(i);
|
|
duke@0
|
1167 |
|
|
duke@0
|
1168 |
for (; i > 0; i--) {
|
|
duke@0
|
1169 |
TypeAheadMarker marker = (TypeAheadMarker)iter.previous();
|
|
duke@0
|
1170 |
if (marker.after <= after) {
|
|
duke@0
|
1171 |
insertionIndex = i;
|
|
duke@0
|
1172 |
break;
|
|
duke@0
|
1173 |
}
|
|
duke@0
|
1174 |
}
|
|
duke@0
|
1175 |
|
|
duke@0
|
1176 |
typeAheadMarkers.add(insertionIndex,
|
|
duke@0
|
1177 |
new TypeAheadMarker(after, untilFocused));
|
|
duke@0
|
1178 |
}
|
|
duke@0
|
1179 |
|
|
duke@0
|
1180 |
/**
|
|
duke@0
|
1181 |
* Releases for normal dispatching to the current focus owner all
|
|
duke@0
|
1182 |
* KeyEvents which were enqueued because of a call to
|
|
duke@0
|
1183 |
* <code>enqueueKeyEvents</code> with the same timestamp and Component.
|
|
duke@0
|
1184 |
* If the given timestamp is less than zero, the outstanding enqueue
|
|
duke@0
|
1185 |
* request for the given Component with the <b>oldest</b> timestamp (if
|
|
duke@0
|
1186 |
* any) should be cancelled.
|
|
duke@0
|
1187 |
*
|
|
duke@0
|
1188 |
* @param after the timestamp specified in the call to
|
|
duke@0
|
1189 |
* <code>enqueueKeyEvents</code>, or any value < 0
|
|
duke@0
|
1190 |
* @param untilFocused the Component specified in the call to
|
|
duke@0
|
1191 |
* <code>enqueueKeyEvents</code>
|
|
duke@0
|
1192 |
* @see #enqueueKeyEvents
|
|
duke@0
|
1193 |
* @see #discardKeyEvents
|
|
duke@0
|
1194 |
*/
|
|
duke@0
|
1195 |
protected synchronized void dequeueKeyEvents(long after,
|
|
duke@0
|
1196 |
Component untilFocused) {
|
|
duke@0
|
1197 |
if (untilFocused == null) {
|
|
duke@0
|
1198 |
return;
|
|
duke@0
|
1199 |
}
|
|
duke@0
|
1200 |
|
|
mchung@1729
|
1201 |
focusLog.finer("Dequeue at {0} for {1}",
|
|
mchung@1729
|
1202 |
after, untilFocused);
|
|
duke@0
|
1203 |
|
|
duke@0
|
1204 |
TypeAheadMarker marker;
|
|
duke@0
|
1205 |
ListIterator iter = typeAheadMarkers.listIterator
|
|
duke@0
|
1206 |
((after >= 0) ? typeAheadMarkers.size() : 0);
|
|
duke@0
|
1207 |
|
|
duke@0
|
1208 |
if (after < 0) {
|
|
duke@0
|
1209 |
while (iter.hasNext()) {
|
|
duke@0
|
1210 |
marker = (TypeAheadMarker)iter.next();
|
|
duke@0
|
1211 |
if (marker.untilFocused == untilFocused)
|
|
duke@0
|
1212 |
{
|
|
duke@0
|
1213 |
iter.remove();
|
|
duke@0
|
1214 |
return;
|
|
duke@0
|
1215 |
}
|
|
duke@0
|
1216 |
}
|
|
duke@0
|
1217 |
} else {
|
|
duke@0
|
1218 |
while (iter.hasPrevious()) {
|
|
duke@0
|
1219 |
marker = (TypeAheadMarker)iter.previous();
|
|
duke@0
|
1220 |
if (marker.untilFocused == untilFocused &&
|
|
duke@0
|
1221 |
marker.after == after)
|
|
duke@0
|
1222 |
{
|
|
duke@0
|
1223 |
iter.remove();
|
|
duke@0
|
1224 |
return;
|
|
duke@0
|
1225 |
}
|
|
duke@0
|
1226 |
}
|
|
duke@0
|
1227 |
}
|
|
duke@0
|
1228 |
}
|
|
duke@0
|
1229 |
|
|
duke@0
|
1230 |
/**
|
|
duke@0
|
1231 |
* Discards all KeyEvents which were enqueued because of one or more calls
|
|
duke@0
|
1232 |
* to <code>enqueueKeyEvents</code> with the specified Component, or one of
|
|
duke@0
|
1233 |
* its descendants.
|
|
duke@0
|
1234 |
*
|
|
duke@0
|
1235 |
* @param comp the Component specified in one or more calls to
|
|
duke@0
|
1236 |
* <code>enqueueKeyEvents</code>, or a parent of such a Component
|
|
duke@0
|
1237 |
* @see #enqueueKeyEvents
|
|
duke@0
|
1238 |
* @see #dequeueKeyEvents
|
|
duke@0
|
1239 |
*/
|
|
duke@0
|
1240 |
protected synchronized void discardKeyEvents(Component comp) {
|
|
duke@0
|
1241 |
if (comp == null) {
|
|
duke@0
|
1242 |
return;
|
|
duke@0
|
1243 |
}
|
|
duke@0
|
1244 |
|
|
duke@0
|
1245 |
long start = -1;
|
|
duke@0
|
1246 |
|
|
duke@0
|
1247 |
for (Iterator iter = typeAheadMarkers.iterator(); iter.hasNext(); ) {
|
|
duke@0
|
1248 |
TypeAheadMarker marker = (TypeAheadMarker)iter.next();
|
|
duke@0
|
1249 |
Component toTest = marker.untilFocused;
|
|
duke@0
|
1250 |
boolean match = (toTest == comp);
|
|
duke@0
|
1251 |
while (!match && toTest != null && !(toTest instanceof Window)) {
|
|
duke@0
|
1252 |
toTest = toTest.getParent();
|
|
duke@0
|
1253 |
match = (toTest == comp);
|
|
duke@0
|
1254 |
}
|
|
duke@0
|
1255 |
if (match) {
|
|
duke@0
|
1256 |
if (start < 0) {
|
|
duke@0
|
1257 |
start = marker.after;
|
|
duke@0
|
1258 |
}
|
|
duke@0
|
1259 |
iter.remove();
|
|
duke@0
|
1260 |
} else if (start >= 0) {
|
|
duke@0
|
1261 |
purgeStampedEvents(start, marker.after);
|
|
duke@0
|
1262 |
start = -1;
|
|
duke@0
|
1263 |
}
|
|
duke@0
|
1264 |
}
|
|
duke@0
|
1265 |
|
|
duke@0
|
1266 |
purgeStampedEvents(start, -1);
|
|
duke@0
|
1267 |
}
|
|
duke@0
|
1268 |
|
|
duke@0
|
1269 |
// Notes:
|
|
duke@0
|
1270 |
// * must be called inside a synchronized block
|
|
duke@0
|
1271 |
// * if 'start' is < 0, then this function does nothing
|
|
duke@0
|
1272 |
// * if 'end' is < 0, then all KeyEvents from 'start' to the end of the
|
|
duke@0
|
1273 |
// queue will be removed
|
|
duke@0
|
1274 |
private void purgeStampedEvents(long start, long end) {
|
|
duke@0
|
1275 |
if (start < 0) {
|
|
duke@0
|
1276 |
return;
|
|
duke@0
|
1277 |
}
|
|
duke@0
|
1278 |
|
|
duke@0
|
1279 |
for (Iterator iter = enqueuedKeyEvents.iterator(); iter.hasNext(); ) {
|
|
duke@0
|
1280 |
KeyEvent ke = (KeyEvent)iter.next();
|
|
duke@0
|
1281 |
long time = ke.getWhen();
|
|
duke@0
|
1282 |
|
|
duke@0
|
1283 |
if (start < time && (end < 0 || time <= end)) {
|
|
duke@0
|
1284 |
iter.remove();
|
|
duke@0
|
1285 |
}
|
|
duke@0
|
1286 |
|
|
duke@0
|
1287 |
if (end >= 0 && time > end) {
|
|
duke@0
|
1288 |
break;
|
|
duke@0
|
1289 |
}
|
|
duke@0
|
1290 |
}
|
|
duke@0
|
1291 |
}
|
|
duke@0
|
1292 |
|
|
duke@0
|
1293 |
/**
|
|
duke@0
|
1294 |
* Focuses the Component before aComponent, typically based on a
|
|
duke@0
|
1295 |
* FocusTraversalPolicy.
|
|
duke@0
|
1296 |
*
|
|
duke@0
|
1297 |
* @param aComponent the Component that is the basis for the focus
|
|
duke@0
|
1298 |
* traversal operation
|
|
duke@0
|
1299 |
* @see FocusTraversalPolicy
|
|
duke@0
|
1300 |
* @see Component#transferFocusBackward
|
|
duke@0
|
1301 |
*/
|
|
duke@0
|
1302 |
public void focusPreviousComponent(Component aComponent) {
|
|
duke@0
|
1303 |
if (aComponent != null) {
|
|
duke@0
|
1304 |
aComponent.transferFocusBackward();
|
|
duke@0
|
1305 |
}
|
|
duke@0
|
1306 |
}
|
|
duke@0
|
1307 |
|
|
duke@0
|
1308 |
/**
|
|
duke@0
|
1309 |
* Focuses the Component after aComponent, typically based on a
|
|
duke@0
|
1310 |
* FocusTraversalPolicy.
|
|
duke@0
|
1311 |
*
|
|
duke@0
|
1312 |
* @param aComponent the Component that is the basis for the focus
|
|
duke@0
|
1313 |
* traversal operation
|
|
duke@0
|
1314 |
* @see FocusTraversalPolicy
|
|
duke@0
|
1315 |
* @see Component#transferFocus
|
|
duke@0
|
1316 |
*/
|
|
duke@0
|
1317 |
public void focusNextComponent(Component aComponent) {
|
|
duke@0
|
1318 |
if (aComponent != null) {
|
|
duke@0
|
1319 |
aComponent.transferFocus();
|
|
duke@0
|
1320 |
}
|
|
duke@0
|
1321 |
}
|
|
duke@0
|
1322 |
|
|
duke@0
|
1323 |
/**
|
|
duke@0
|
1324 |
* Moves the focus up one focus traversal cycle. Typically, the focus owner
|
|
duke@0
|
1325 |
* is set to aComponent's focus cycle root, and the current focus cycle
|
|
duke@0
|
1326 |
* root is set to the new focus owner's focus cycle root. If, however,
|
|
duke@0
|
1327 |
* aComponent's focus cycle root is a Window, then the focus owner is set
|
|
duke@0
|
1328 |
* to the focus cycle root's default Component to focus, and the current
|
|
duke@0
|
1329 |
* focus cycle root is unchanged.
|
|
duke@0
|
1330 |
*
|
|
duke@0
|
1331 |
* @param aComponent the Component that is the basis for the focus
|
|
duke@0
|
1332 |
* traversal operation
|
|
duke@0
|
1333 |
* @see Component#transferFocusUpCycle
|
|
duke@0
|
1334 |
*/
|
|
duke@0
|
1335 |
public void upFocusCycle(Component aComponent) {
|
|
duke@0
|
1336 |
if (aComponent != null) {
|
|
duke@0
|
1337 |
aComponent.transferFocusUpCycle();
|
|
duke@0
|
1338 |
}
|
|
duke@0
|
1339 |
}
|
|
duke@0
|
1340 |
|
|
duke@0
|
1341 |
/**
|
|
duke@0
|
1342 |
* Moves the focus down one focus traversal cycle. If aContainer is a focus
|
|
duke@0
|
1343 |
* cycle root, then the focus owner is set to aContainer's default
|
|
duke@0
|
1344 |
* Component to focus, and the current focus cycle root is set to
|
|
duke@0
|
1345 |
* aContainer. If aContainer is not a focus cycle root, then no focus
|
|
duke@0
|
1346 |
* traversal operation occurs.
|
|
duke@0
|
1347 |
*
|
|
duke@0
|
1348 |
* @param aContainer the Container that is the basis for the focus
|
|
duke@0
|
1349 |
* traversal operation
|
|
duke@0
|
1350 |
* @see Container#transferFocusDownCycle
|
|
duke@0
|
1351 |
*/
|
|
duke@0
|
1352 |
public void downFocusCycle(Container aContainer) {
|
|
duke@0
|
1353 |
if (aContainer != null && aContainer.isFocusCycleRoot()) {
|
|
duke@0
|
1354 |
aContainer.transferFocusDownCycle();
|
|
duke@0
|
1355 |
}
|
|
duke@0
|
1356 |
}
|
|
duke@0
|
1357 |
}
|