1 /* 2 * Copyright (c) 2003, 2007, 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 java.awt.peer; 27 28 import java.awt.Component; 29 import java.awt.Window; 30 31 /** 32 * The native peer interface for {@link KeyboardFocusManager}. 33 */ 34 public interface KeyboardFocusManagerPeer { 35 36 /** 37 * Returns the currently focused window. 38 * 39 * @return the currently focused window 40 * 41 * @see KeyboardFocusManager#getNativeFocusedWindow() 42 */ 43 Window getCurrentFocusedWindow(); 44 45 /** 46 * Sets the component that should become the focus owner. 47 * 48 * @param comp the component to become the focus owner 49 * 50 * @see KeyboardFocusManager#setNativeFocusOwner(Component) 51 */ 52 void setCurrentFocusOwner(Component comp); 53 54 /** 55 * Returns the component that currently owns the input focus. 56 * 57 * @return the component that currently owns the input focus 58 * 59 * @see KeyboardFocusManager#getNativeFocusOwner() 60 */ 61 Component getCurrentFocusOwner(); 62 63 /** 64 * Clears the current global focus owner. 65 * 66 * @param activeWindow 67 * 68 * @see KeyboardFocusManager#clearGlobalFocusOwner() 69 */ 70 void clearGlobalFocusOwner(Window activeWindow); 71 72 }