AWT/Swing merge from GNU Classpath.
From-SVN: r56147
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Bryce McKinlay
Bryce McKinlay
parent
097684ce62
commit
7bde45b2eb
490 changed files with 86038 additions and 9753 deletions
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@ -1,65 +1,311 @@
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/* Copyright (C) 1999, 2000 Free Software Foundation
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/* WindowEvent.java -- window change event
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Copyright (C) 1999, 2002 Free Software Foundation, Inc.
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This file is part of libjava.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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This software is copyrighted work licensed under the terms of the
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Libjava License. Please consult the file "LIBJAVA_LICENSE" for
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details. */
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package java.awt.event;
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import java.awt.*;
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/* Status: Believed complete and correct to JDK 1.2. */
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import java.awt.Window;
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/**
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* This event is generated when there is a change in a window. This includes
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* creation, closing, iconification, activation, and focus changes. There
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* are three listeners, for three types of events: WindowListeners deal with
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* the lifecycle of a window, WindowStateListeners deal with window state
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* like maximization, and WindowFocusListeners deal with focus switching to
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* or from a window.
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*
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* @author Aaron M. Renn <arenn@urbanophile.com>
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* @see WindowAdapter
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* @see WindowListener
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* @see WindowFocusListener
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* @see WindowStateListener
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* @since 1.1
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* @status updated to 1.4
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*/
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public class WindowEvent extends ComponentEvent
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{
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public static final int WINDOW_ACTIVATED = 205;
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public static final int WINDOW_CLOSED = 202;
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public static final int WINDOW_CLOSING = 201;
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public static final int WINDOW_DEACTIVATED = 206;
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public static final int WINDOW_DEICONIFIED = 204;
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/**
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* Compatible with JDK 1.1+.
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*/
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private static final long serialVersionUID = -1567959133147912127L;
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/** This is the first id in the range of event ids used by this class. */
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public static final int WINDOW_FIRST = 200;
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public static final int WINDOW_ICONIFIED = 203;
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public static final int WINDOW_LAST = 206;
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/** This is the id for a window that is opened. */
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public static final int WINDOW_OPENED = 200;
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public WindowEvent (Window source, int id)
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/** This is the id for a window that is about to close. */
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public static final int WINDOW_CLOSING = 201;
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/** This is the id for a window that finished closing. */
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public static final int WINDOW_CLOSED = 202;
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/** This is the id for a window that is iconified. */
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public static final int WINDOW_ICONIFIED = 203;
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/** This is the id for a window that is de-iconified. */
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public static final int WINDOW_DEICONIFIED = 204;
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/** This is the id for a window that is activated. */
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public static final int WINDOW_ACTIVATED = 205;
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/** This is the id for a window that is de-activated. */
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public static final int WINDOW_DEACTIVATED = 206;
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/**
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* This is the id for a window becoming the focused window.
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*
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* @since 1.4
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*/
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public static final int WINDOW_GAINED_FOCUS = 207;
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/**
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* This is the id for a window losing all focus.
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*
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* @since 1.4
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*/
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public static final int WINDOW_LOST_FOCUS = 208;
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/**
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* This is the id for a window state change, such as maximization.
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*
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* @since 1.4
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*/
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public static final int WINDOW_STATE_CHANGED = 209;
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/** This is the last id in the range of event ids used by this class. */
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public static final int WINDOW_LAST = 207;
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/**
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* The other Window involved in a focus or activation change. For
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* WINDOW_ACTIVATED and WINDOW_GAINED_FOCUS events, this is the window that
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* lost focus; for WINDOW_DEACTIVATED and WINDOW_LOST_FOCUS, this is the
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* window that stole focus; and for other events (or when native
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* implementation does not have the data available), this is null.
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*
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* @see #getOppositeWindow()
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* @serial the opposite window, or null
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* @since 1.4
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*/
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private final Window opposite;
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/**
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* The former state of the window.
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*
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* @serial bitmask of the old window state
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* @since 1.4
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*/
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private final int oldState;
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/**
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* The present state of the window.
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*
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* @serial bitmask of the new window state
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* @since 1.4
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*/
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private final int newState;
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/**
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* Initializes a new instance of <code>WindowEvent</code> with the specified
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* parameters. Note that an invalid id leads to unspecified results.
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*
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* @param source the window that generated this event
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* @param id the event id
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* @param opposite the window that received the opposite event, or null
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* @param oldState the previous state of this window
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* @param newState the new state of this window
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* @throws IllegalArgumentException if source is null
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* @since 1.4
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*/
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public WindowEvent(Window source, int id, Window opposite,
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int oldState, int newState)
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{
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super (source, id);
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super(source, id);
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this.opposite = opposite;
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this.oldState = oldState;
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this.newState = newState;
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}
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public Window getWindow ()
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/**
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* Initializes a new instance of <code>WindowEvent</code> with the specified
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* parameters. Note that an invalid id leads to unspecified results.
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*
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* @param source the window that generated this event
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* @param id the event id
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* @param opposite the window that received the opposite event, or null
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* @throws IllegalArgumentException if source is null
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* @since 1.4
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*/
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public WindowEvent(Window source, int id, Window opposite)
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{
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return (Window) source;
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this(source, id, opposite, 0, 0);
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}
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public String paramString ()
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/**
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* Initializes a new instance of <code>WindowEvent</code> with the specified
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* parameters. Note that an invalid id leads to unspecified results.
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*
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* @param source the window that generated this event
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* @param id the event id
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* @param oldState the previous state of this window
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* @param newState the new state of this window
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* @throws IllegalArgumentException if source is null
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* @since 1.4
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*/
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public WindowEvent(Window source, int id, int oldState, int newState)
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{
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String r = "";
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this(source, id, null, oldState, newState);
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}
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/**
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* Initializes a new instance of <code>WindowEvent</code> with the specified
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* parameters. Note that an invalid id leads to unspecified results.
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*
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* @param source the window that generated this event
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* @param id the event id
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* @throws IllegalArgumentException if source is null
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*/
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public WindowEvent(Window source, int id)
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{
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this(source, id, null, 0, 0);
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}
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/**
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* Returns the event source as a <code>Window</code>. If the source has
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* subsequently been modified to a non-Window, this returns null.
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*
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* @return the event source as a <code>Window</code>
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*/
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public Window getWindow()
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{
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return source instanceof Window ? (Window) source : null;
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}
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/**
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* Returns the opposite window if this window was involved in an activation
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* or focus change. For WINDOW_ACTIVATED and WINDOW_GAINED_FOCUS events,
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* this is the window that lost focus; for WINDOW_DEACTIVATED and
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* WINDOW_LOST_FOCUS, this is the window that stole focus; and for other
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* events (or when native implementation does not have the data available),
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* this is null.
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*
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* @return the opposite window, or null
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* @since 1.4
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*/
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public Window getOppositeWindow()
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{
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return opposite;
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}
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/**
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* Returns the state of this window before the event. This is the bitwise
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* or of fields in Frame: NORMAL, ICONIFIED, MAXIMIZED_HORIZ, MAXIMIZED_VERT,
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* and MAXIMIZED_BOTH.
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*
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* @return the former state
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* @see Frame#getExtendedState()
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* @since 1.4
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*/
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public int getOldState()
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{
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return oldState;
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}
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/**
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* Returns the state of this window after the event. This is the bitwise
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* or of fields in Frame: NORMAL, ICONIFIED, MAXIMIZED_HORIZ, MAXIMIZED_VERT,
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* and MAXIMIZED_BOTH.
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*
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* @return the updated state
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* @see Frame#getExtendedState()
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* @since 1.4
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*/
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public int getNewState()
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{
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return newState;
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}
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/**
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* Returns a string that identifies this event. This is formatted as the
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* field name of the id, followed by the opposite window, old state, and
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* new state.
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*
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* @return a string that identifies this event
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*/
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public String paramString()
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{
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StringBuffer s = new StringBuffer();
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switch (id)
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{
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case WINDOW_ACTIVATED:
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r = "WINDOW_ACTIVATED";
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break;
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case WINDOW_CLOSED:
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r = "WINDOW_CLOSED";
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break;
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case WINDOW_CLOSING:
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r = "WINDOW_CLOSING";
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break;
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case WINDOW_DEACTIVATED:
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r = "WINDOW_DEACTIVATED";
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break;
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case WINDOW_DEICONIFIED:
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r = "WINDOW_DEICONIFIED";
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break;
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case WINDOW_ICONIFIED:
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r = "WINDOW_ICONIFIED";
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break;
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case WINDOW_OPENED:
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r = "WINDOW_OPENED";
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break;
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case WINDOW_OPENED:
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s.append("WINDOW_OPENED,opposite=");
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break;
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case WINDOW_CLOSING:
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s.append("WINDOW_CLOSING,opposite=");
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break;
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case WINDOW_CLOSED:
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s.append("WINDOW_CLOSED,opposite=");
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break;
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case WINDOW_ICONIFIED:
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s.append("WINDOW_ICONIFIED,opposite=");
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break;
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case WINDOW_DEICONIFIED:
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s.append("WINDOW_DEICONIFIED,opposite=");
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break;
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case WINDOW_ACTIVATED:
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s.append("WINDOW_ACTIVATED,opposite=");
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break;
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case WINDOW_DEACTIVATED:
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s.append("WINDOW_DEACTIVATED,opposite=");
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break;
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case WINDOW_GAINED_FOCUS:
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s.append("WINDOW_GAINED_FOCUS,opposite=");
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break;
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case WINDOW_LOST_FOCUS:
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s.append("WINDOW_LOST_FOCUS,opposite=");
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break;
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case WINDOW_STATE_CHANGED:
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s.append("WINDOW_STATE_CHANGED,opposite=");
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break;
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default:
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s.append("unknown type,opposite=");
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}
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return r;
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return s.append(opposite).append(",oldState=").append(oldState)
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.append(",newState=").append(newState).toString();
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}
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}
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} // class WindowEvent
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