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 public void setCurrentFocusOwner(Component comp) { 50 setNativeFocusOwner(comp != null ? comp.getPeer() : null); 51 } 52 53 @Override 54 public Component getCurrentFocusOwner() { 55 return getNativeFocusOwner(); 56 } 57 58 @Override 59 public void setCurrentFocusedWindow(Window win) { 60 // Not used on Windows 61 throw new RuntimeException("not implemented"); 62 } 63 64 @Override 65 public Window getCurrentFocusedWindow() { 66 return getNativeFocusedWindow(); 67 } 68 69 public static boolean deliverFocus(Component lightweightChild, 70 Component target, 71 boolean temporary, 72 boolean focusedWindowChangeAllowed, 73 long time, 74 CausedFocusEvent.Cause cause) 75 { 76 // TODO: do something to eliminate this forwarding 77 return KeyboardFocusManagerPeerImpl.deliverFocus(lightweightChild, 78 target, 79 temporary, 80 focusedWindowChangeAllowed, 81 time, 82 cause, 83 getNativeFocusOwner()); 84 } 85 }