| /* PopupMenu.java -- An AWT popup menu |
| Copyright (C) 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package java.awt; |
| |
| import java.awt.peer.PopupMenuPeer; |
| |
| import javax.accessibility.AccessibleContext; |
| import javax.accessibility.AccessibleRole; |
| |
| /** |
| * This class implement an AWT popup menu widget |
| * |
| * @author Aaron M. Renn (arenn@urbanophile.com) |
| */ |
| public class PopupMenu extends Menu |
| { |
| |
| /* |
| * Static Variables |
| */ |
| |
| // Serialization Constant |
| private static final long serialVersionUID = -4620452533522760060L; |
| |
| /*************************************************************************/ |
| |
| /* |
| * Constructors |
| */ |
| |
| /** |
| * Initializes a new instance of <code>PopupMenu</code>. |
| * |
| * @exception HeadlessException If GraphicsEnvironment.isHeadless() |
| * returns true. |
| */ |
| public |
| PopupMenu() |
| { |
| } |
| |
| /*************************************************************************/ |
| |
| /** |
| * Initializes a new instance of <code>PopupMenu</code> with the specified |
| * label. |
| * |
| * @param label The label for this popup menu. |
| * |
| * @exception HeadlessException If GraphicsEnvironment.isHeadless() |
| * returns true. |
| */ |
| public |
| PopupMenu(String label) |
| { |
| super(label); |
| |
| if (GraphicsEnvironment.isHeadless()) |
| throw new HeadlessException (); |
| } |
| |
| /*************************************************************************/ |
| |
| /* |
| * Instance Methods |
| */ |
| |
| /** |
| * Creates this object's native peer. |
| */ |
| public void |
| addNotify() |
| { |
| if (peer == null) |
| peer = getToolkit ().createPopupMenu (this); |
| super.addNotify (); |
| } |
| |
| /*************************************************************************/ |
| |
| /** |
| * Displays this popup menu at the specified coordinates relative to |
| * the specified component. |
| * |
| * @param component The component to which the display coordinates are relative. |
| * @param x The X coordinate of the menu. |
| * @param y The Y coordinate of the menu. |
| */ |
| public void |
| show(Component component, int x, int y) |
| { |
| if (getPeer() == null) |
| this.addNotify(); |
| PopupMenuPeer pmp = (PopupMenuPeer)getPeer(); |
| if (pmp != null) |
| { |
| /* XXX |
| Event e = new Event (component, Event.ACTION_EVENT, component); |
| e.x = x; |
| e.y = y;*/ |
| pmp.show (component, x, y); |
| } |
| } |
| |
| protected class AccessibleAWTPopupMenu extends AccessibleAWTMenu |
| { |
| protected AccessibleAWTPopupMenu() |
| { |
| } |
| |
| public AccessibleRole getAccessibleRole() |
| { |
| return AccessibleRole.POPUP_MENU; |
| } |
| |
| } |
| |
| /** |
| * Gets the AccessibleContext associated with this <code>PopupMenu</code>. |
| * The context is created, if necessary. |
| * |
| * @return the associated context |
| */ |
| public AccessibleContext getAccessibleContext() |
| { |
| /* Create the context if this is the first request */ |
| if (accessibleContext == null) |
| accessibleContext = new AccessibleAWTPopupMenu(); |
| return accessibleContext; |
| } |
| |
| } // class PopupMenu |
| |