1 /* 2 * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.awt.windows; 27 28 import java.awt.Window; 29 import java.awt.Component; 30 import java.awt.peer.ComponentPeer; 31 import sun.awt.KeyboardFocusManagerPeerImpl; 32 import sun.awt.CausedFocusEvent; 33 34 final class WKeyboardFocusManagerPeer extends KeyboardFocusManagerPeerImpl { 35 static native void setNativeFocusOwner(ComponentPeer peer); 36 static native Component getNativeFocusOwner(); 37 static native Window getNativeFocusedWindow(); 38 39 private static final WKeyboardFocusManagerPeer inst = new WKeyboardFocusManagerPeer(); 40 41 public static WKeyboardFocusManagerPeer getInstance() { 42 return inst; 43 } 44 45 private WKeyboardFocusManagerPeer() { 46 } 47 48 @Override 49 @SuppressWarnings("deprecation") 50 public void setCurrentFocusOwner(Component comp) { 51 setNativeFocusOwner(comp != null ? comp.getPeer() : null); 52 } 53 54 @Override 55 public Component getCurrentFocusOwner() { 56 return getNativeFocusOwner(); 57 } 58 59 @Override 60 public void setCurrentFocusedWindow(Window win) { 61 // Not used on Windows 62 throw new RuntimeException("not implemented"); 63 } 64 65 @Override 66 public Window getCurrentFocusedWindow() { 67 return getNativeFocusedWindow(); 68 } 69 70 public static boolean deliverFocus(Component lightweightChild, 71 Component target, 72 boolean temporary, 73 boolean focusedWindowChangeAllowed, 74 long time, 75 CausedFocusEvent.Cause cause) 76 { 77 // TODO: do something to eliminate this forwarding 78 return KeyboardFocusManagerPeerImpl.deliverFocus(lightweightChild, 79 target, 80 temporary, 81 focusedWindowChangeAllowed, 82 time, 83 cause, 84 getNativeFocusOwner()); 85 } 86 }