170 lines
4.4 KiB
Java
170 lines
4.4 KiB
Java
/* 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., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
02110-1301 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
|
|
|