1 /* 2 * Copyright (c) 2009, 2015, 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 32 import sun.awt.AWTAccessor; 33 import sun.awt.AWTAccessor.ComponentAccessor; 34 import sun.awt.KeyboardFocusManagerPeerImpl; 35 import sun.awt.CausedFocusEvent; 36 37 final class WKeyboardFocusManagerPeer extends KeyboardFocusManagerPeerImpl { 38 static native void setNativeFocusOwner(ComponentPeer peer); 39 static native Component getNativeFocusOwner(); 40 static native Window getNativeFocusedWindow(); 41 42 private static final WKeyboardFocusManagerPeer inst = new WKeyboardFocusManagerPeer(); 43 44 public static WKeyboardFocusManagerPeer getInstance() { 45 return inst; 46 } 47 48 private WKeyboardFocusManagerPeer() { 49 } 50 51 @Override 52 public void setCurrentFocusOwner(Component comp) { 53 final ComponentAccessor acc = AWTAccessor.getComponentAccessor(); 54 setNativeFocusOwner(comp != null ? acc.getPeer(comp) : null); 55 } 56 57 @Override 58 public Component getCurrentFocusOwner() { 59 return getNativeFocusOwner(); 60 } 61 62 @Override 63 public void setCurrentFocusedWindow(Window win) { 64 // Not used on Windows 65 throw new RuntimeException("not implemented"); 66 } 67 68 @Override 69 public Window getCurrentFocusedWindow() { 70 return getNativeFocusedWindow(); 71 } 72 73 public static boolean deliverFocus(Component lightweightChild, 74 Component target, 75 boolean temporary, 76 boolean focusedWindowChangeAllowed, 77 long time, 78 CausedFocusEvent.Cause cause) 79 { 80 // TODO: do something to eliminate this forwarding 81 return KeyboardFocusManagerPeerImpl.deliverFocus(lightweightChild, 82 target, 83 temporary, 84 focusedWindowChangeAllowed, 85 time, 86 cause, 87 getNativeFocusOwner()); 88 } 89 }