+++ /dev/null
-/* Button.java -- AWT button widget
- Copyright (C) 1999, 2002 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.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.peer.ButtonPeer;
-import java.awt.peer.ComponentPeer;
-import java.util.EventListener;
-
-/**
- * This class provides a button widget for the AWT.
- *
- * @author Aaron M. Renn (arenn@urbanophile.com)
- * @author Tom Tromey <tromey@cygnus.com>
- */
-public class Button extends Component implements java.io.Serializable
-{
-
-/*
- * Static Variables
- */
-
-// FIXME: Need readObject/writeObject for serialization
-
-// Serialization version constant
-private static final long serialVersionUID = -8774683716313001058L;
-
-/*************************************************************************/
-
-/*
- * Instance Variables
- */
-
-/**
- * @serial The action command name for this button.
- */
-private String actionCommand;
-
-/**
- * @serial The label for this button.
- */
-private String label;
-
-// List of ActionListeners for this class.
-private transient ActionListener action_listeners;
-
-/*************************************************************************/
-
-/*
- * Constructors
- */
-
-/**
- * Initializes a new instance of <code>Button</code> with no label.
- */
-public
-Button()
-{
- this(null);
-}
-
-/*************************************************************************/
-
-/**
- * Initializes a new instance of <code>Button</code> with the specified
- * label. The action command name is also initialized to this value.
- *
- * @param label The label to display on the button.
- */
-public
-Button(String label)
-{
- this.label = label;
- actionCommand = label;
-}
-
-/*************************************************************************/
-
-/*
- * Instance Variables
- */
-
-/**
- * Returns the label for this button.
- *
- * @return The label for this button.
- */
-public String
-getLabel()
-{
- return(label);
-}
-
-/*************************************************************************/
-
-/**
- * Sets the label for this button to the specified value.
- *
- * @param label The new label for this button.
- */
-public synchronized void
-setLabel(String label)
-{
- this.label = label;
- if (peer != null)
- {
- ButtonPeer bp = (ButtonPeer) peer;
- bp.setLabel (label);
- }
-}
-
-/*************************************************************************/
-
-/**
- * Returns the action command name for this button.
- *
- * @return The action command name for this button.
- */
-public String
-getActionCommand()
-{
- return(actionCommand);
-}
-
-/*************************************************************************/
-
-/**
- * Sets the action command name for this button to the specified value.
- *
- * @param actionCommand The new action command name.
- */
-public void
-setActionCommand(String actionCommand)
-{
- this.actionCommand = actionCommand == null ? label : actionCommand;
-}
-
-/*************************************************************************/
-
-/**
- * Adds a new entry to the list of listeners that will receive
- * action events from this button.
- *
- * @param listener The listener to add.
- */
-public synchronized void
-addActionListener(ActionListener listener)
-{
- action_listeners = AWTEventMulticaster.add(action_listeners, listener);
-}
-
-/*************************************************************************/
-
-/**
- * Removes the specified listener from the list of listeners that will
- * receive action events from this button.
- *
- * @param listener The listener to remove.
- */
-public synchronized void
-removeActionListener(ActionListener listener)
-{
- action_listeners = AWTEventMulticaster.remove(action_listeners, listener);
-}
-
-public EventListener[]
-getListeners(Class listenerType)
-{
- if (listenerType == ActionListener.class)
- return getListenersImpl(listenerType, action_listeners);
- return super.getListeners(listenerType);
-}
-
-/*************************************************************************/
-
-/**
- * Notifies this button that it should create its native peer object.
- */
-public void
-addNotify()
-{
- if (peer == null)
- peer = getToolkit ().createButton (this);
- super.addNotify();
-}
-
-/*************************************************************************/
-
-/**
- * Processes an event for this button. If the specified event is an
- * instance of <code>ActionEvent</code>, then the
- * <code>processActionEvent()</code> method is called to dispatch it
- * to any registered listeners. Otherwise, the superclass method
- * will be invoked. Note that this method will not be called at all
- * unless <code>ActionEvent</code>'s are enabled. This will be done
- * implicitly if any listeners are added.
- *
- * @param event The event to process.
- */
-protected void
-processEvent(AWTEvent event)
-{
- if (event instanceof ActionEvent)
- processActionEvent((ActionEvent)event);
- else
- super.processEvent(event);
-}
-
-/*************************************************************************/
-
-/**
- * This method dispatches an action event for this button to any
- * registered listeners.
- *
- * @param event The event to process.
- */
-protected void
-processActionEvent(ActionEvent event)
-{
- if (action_listeners != null)
- action_listeners.actionPerformed(event);
-}
-
-void
-dispatchEventImpl(AWTEvent e)
-{
- super.dispatchEventImpl(e);
-
- if (e.id <= ActionEvent.ACTION_LAST
- && e.id >= ActionEvent.ACTION_FIRST
- && (action_listeners != null
- || (eventMask & AWTEvent.ACTION_EVENT_MASK) != 0))
- processEvent(e);
-}
-
-/*************************************************************************/
-
-/**
- * Returns a debugging string for this button.
- *
- * @return A debugging string for this button.
- */
-protected String
-paramString()
-{
- return ("label=" + getLabel() + ",actionCommand=" + getActionCommand()
- + "," + super.paramString());
-}
-
-} // class Button
-
projects / msp430-gcc.git / blobdiff