| /* |
| * Copyright (c) 2003, 2016, 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 sun.awt.X11; |
| |
| import java.awt.Component; |
| import java.awt.Window; |
| |
| import sun.awt.AWTAccessor; |
| import java.awt.event.FocusEvent; |
| import sun.awt.KeyboardFocusManagerPeerImpl; |
| import sun.util.logging.PlatformLogger; |
| |
| public class XKeyboardFocusManagerPeer extends KeyboardFocusManagerPeerImpl { |
| private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.awt.X11.focus.XKeyboardFocusManagerPeer"); |
| private static final XKeyboardFocusManagerPeer inst = new XKeyboardFocusManagerPeer(); |
| |
| private Component currentFocusOwner; |
| private Window currentFocusedWindow; |
| |
| public static XKeyboardFocusManagerPeer getInstance() { |
| return inst; |
| } |
| |
| private XKeyboardFocusManagerPeer() { |
| } |
| |
| @Override |
| public void setCurrentFocusOwner(Component comp) { |
| synchronized (this) { |
| currentFocusOwner = comp; |
| } |
| } |
| |
| @Override |
| public Component getCurrentFocusOwner() { |
| synchronized(this) { |
| return currentFocusOwner; |
| } |
| } |
| |
| @Override |
| public void setCurrentFocusedWindow(Window win) { |
| if (focusLog.isLoggable(PlatformLogger.Level.FINER)) { |
| focusLog.finer("Setting current focused window " + win); |
| } |
| |
| XWindowPeer from = null, to = null; |
| |
| synchronized(this) { |
| if (currentFocusedWindow != null) { |
| from = AWTAccessor.getComponentAccessor().getPeer(currentFocusedWindow); |
| } |
| |
| currentFocusedWindow = win; |
| |
| if (currentFocusedWindow != null) { |
| to = AWTAccessor.getComponentAccessor().getPeer(currentFocusedWindow); |
| } |
| } |
| |
| if (from != null) { |
| from.updateSecurityWarningVisibility(); |
| } |
| if (to != null) { |
| to.updateSecurityWarningVisibility(); |
| } |
| } |
| |
| @Override |
| public Window getCurrentFocusedWindow() { |
| synchronized(this) { |
| return currentFocusedWindow; |
| } |
| } |
| |
| // TODO: do something to eliminate this forwarding |
| public static boolean deliverFocus(Component lightweightChild, |
| Component target, |
| boolean temporary, |
| boolean focusedWindowChangeAllowed, |
| long time, |
| FocusEvent.Cause cause) |
| { |
| return KeyboardFocusManagerPeerImpl.deliverFocus(lightweightChild, |
| target, |
| temporary, |
| focusedWindowChangeAllowed, |
| time, |
| cause, |
| getInstance().getCurrentFocusOwner()); |
| } |
| } |