GNU Classpath (0.20) | |
Frames | No Frames |
1: /* PopupMenu.java -- An AWT popup menu 2: Copyright (C) 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: 39: package java.awt; 40: 41: import java.awt.peer.PopupMenuPeer; 42: 43: import javax.accessibility.AccessibleContext; 44: import javax.accessibility.AccessibleRole; 45: 46: /** 47: * This class implement an AWT popup menu widget 48: * 49: * @author Aaron M. Renn (arenn@urbanophile.com) 50: */ 51: public class PopupMenu extends Menu 52: { 53: 54: /* 55: * Static Variables 56: */ 57: 58: // Serialization Constant 59: private static final long serialVersionUID = -4620452533522760060L; 60: 61: /*************************************************************************/ 62: 63: /* 64: * Constructors 65: */ 66: 67: /** 68: * Initializes a new instance of <code>PopupMenu</code>. 69: * 70: * @exception HeadlessException If GraphicsEnvironment.isHeadless() 71: * returns true. 72: */ 73: public 74: PopupMenu() 75: { 76: } 77: 78: /*************************************************************************/ 79: 80: /** 81: * Initializes a new instance of <code>PopupMenu</code> with the specified 82: * label. 83: * 84: * @param label The label for this popup menu. 85: * 86: * @exception HeadlessException If GraphicsEnvironment.isHeadless() 87: * returns true. 88: */ 89: public 90: PopupMenu(String label) 91: { 92: super(label); 93: 94: if (GraphicsEnvironment.isHeadless()) 95: throw new HeadlessException (); 96: } 97: 98: /*************************************************************************/ 99: 100: /* 101: * Instance Methods 102: */ 103: 104: /** 105: * Creates this object's native peer. 106: */ 107: public void 108: addNotify() 109: { 110: if (peer == null) 111: peer = getToolkit ().createPopupMenu (this); 112: super.addNotify (); 113: } 114: 115: /*************************************************************************/ 116: 117: /** 118: * Displays this popup menu at the specified coordinates relative to 119: * the specified component. 120: * 121: * @param component The component to which the display coordinates are relative. 122: * @param x The X coordinate of the menu. 123: * @param y The Y coordinate of the menu. 124: */ 125: public void 126: show(Component component, int x, int y) 127: { 128: if (getPeer() == null) 129: this.addNotify(); 130: PopupMenuPeer pmp = (PopupMenuPeer)getPeer(); 131: if (pmp != null) 132: { 133: /* XXX 134: Event e = new Event (component, Event.ACTION_EVENT, component); 135: e.x = x; 136: e.y = y;*/ 137: pmp.show (component, x, y); 138: } 139: } 140: 141: protected class AccessibleAWTPopupMenu extends AccessibleAWTMenu 142: { 143: private static final long serialVersionUID = -4282044795947239955L; 144: 145: protected AccessibleAWTPopupMenu() 146: { 147: } 148: 149: public AccessibleRole getAccessibleRole() 150: { 151: return AccessibleRole.POPUP_MENU; 152: } 153: 154: } 155: 156: /** 157: * Gets the AccessibleContext associated with this <code>PopupMenu</code>. 158: * The context is created, if necessary. 159: * 160: * @return the associated context 161: */ 162: public AccessibleContext getAccessibleContext() 163: { 164: /* Create the context if this is the first request */ 165: if (accessibleContext == null) 166: accessibleContext = new AccessibleAWTPopupMenu(); 167: return accessibleContext; 168: } 169: 170: } // class PopupMenu
GNU Classpath (0.20) |