1 /* 2 * Copyright (c) 1996, 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 java.awt; 27 28 import java.awt.peer.PopupMenuPeer; 29 import javax.accessibility.*; 30 31 32 import sun.awt.AWTAccessor; 33 34 /** 35 * A class that implements a menu which can be dynamically popped up 36 * at a specified position within a component. 37 * <p> 38 * As the inheritance hierarchy implies, a {@code PopupMenu} 39 * can be used anywhere a {@code Menu} can be used. 40 * However, if you use a {@code PopupMenu} like a {@code Menu} 41 * (e.g., you add it to a {@code MenuBar}), then you <b>cannot</b> 42 * call {@code show} on that {@code PopupMenu}. 43 * 44 * @author Amy Fowler 45 */ 46 public class PopupMenu extends Menu { 47 48 private static final String base = "popup"; 49 static int nameCounter = 0; 50 51 transient boolean isTrayIconPopup = false; 52 53 static { 54 AWTAccessor.setPopupMenuAccessor( 55 new AWTAccessor.PopupMenuAccessor() { 56 public boolean isTrayIconPopup(PopupMenu popupMenu) { 57 return popupMenu.isTrayIconPopup; 58 } 59 }); 60 } 61 62 /* 63 * JDK 1.1 serialVersionUID 64 */ 65 private static final long serialVersionUID = -4620452533522760060L; 66 67 /** 68 * Creates a new popup menu with an empty name. 69 * @exception HeadlessException if GraphicsEnvironment.isHeadless() 70 * returns true. 71 * @see java.awt.GraphicsEnvironment#isHeadless | 1 /* 2 * Copyright (c) 1996, 2016, 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; 27 28 import java.awt.peer.PopupMenuPeer; 29 30 import javax.accessibility.AccessibleContext; 31 import javax.accessibility.AccessibleRole; 32 33 import sun.awt.AWTAccessor; 34 35 /** 36 * A class that implements a menu which can be dynamically popped up 37 * at a specified position within a component. 38 * <p> 39 * As the inheritance hierarchy implies, a {@code PopupMenu} 40 * can be used anywhere a {@code Menu} can be used. 41 * However, if you use a {@code PopupMenu} like a {@code Menu} 42 * (e.g., you add it to a {@code MenuBar}), then you <b>cannot</b> 43 * call {@code show} on that {@code PopupMenu}. 44 * 45 * @author Amy Fowler 46 */ 47 public class PopupMenu extends Menu { 48 49 private static final String base = "popup"; 50 static int nameCounter = 0; 51 52 transient volatile boolean isTrayIconPopup; 53 54 static { 55 AWTAccessor.setPopupMenuAccessor( 56 new AWTAccessor.PopupMenuAccessor() { 57 public boolean isTrayIconPopup(PopupMenu popupMenu) { 58 return popupMenu.isTrayIconPopup; 59 } 60 }); 61 } 62 63 /* 64 * JDK 1.1 serialVersionUID 65 */ 66 private static final long serialVersionUID = -4620452533522760060L; 67 68 /** 69 * Creates a new popup menu with an empty name. 70 * @exception HeadlessException if GraphicsEnvironment.isHeadless() 71 * returns true. 72 * @see java.awt.GraphicsEnvironment#isHeadless |