diff options
Diffstat (limited to 'libjava/java/awt/event/PaintEvent.java')
| -rw-r--r-- | libjava/java/awt/event/PaintEvent.java | 138 |
1 files changed, 101 insertions, 37 deletions
diff --git a/libjava/java/awt/event/PaintEvent.java b/libjava/java/awt/event/PaintEvent.java index 21c42e49a7c..107c6b390b6 100644 --- a/libjava/java/awt/event/PaintEvent.java +++ b/libjava/java/awt/event/PaintEvent.java @@ -1,63 +1,127 @@ -/* Copyright (C) 2000 Free Software Foundation +/* PaintEvent.java -- an area of the screen needs to be repainted + Copyright (C) 1999, 2002 Free Software Foundation, Inc. - This file is part of libjava. +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. */ -This software is copyrighted work licensed under the terms of the -Libjava License. Please consult the file "LIBJAVA_LICENSE" for -details. */ package java.awt.event; -import java.awt.*; + +import java.awt.Component; +import java.awt.Rectangle; /** - * @author Tom Tromey <tromey@cygnus.com> - * @date April 8, 2000 + * This event is generated when an area of the screen needs to be painted. + * This event is not meant for users, but exists to allow proper serialization + * behavior in the EventQueue with user-accessible events. + * + * @author Aaron M. Renn <arenn@urbanophile.com> + * @since 1.1 + * @status updated to 1.4 */ - -/* Status: Believed complete and correct to JDK 1.2. */ - public class PaintEvent extends ComponentEvent { - public static final int PAINT = 800; + /** + * Compatible with JDK 1.1+. + */ + private static final long serialVersionUID = 1267492026433337593L; + + /** This is the first id in the range of event ids used by this class. */ public static final int PAINT_FIRST = 800; + + /** This is the last id in the range of event ids used by this class. */ public static final int PAINT_LAST = 801; + + /** This id is for paint event types. */ + public static final int PAINT = 800; + + /** This id is for update event types. */ public static final int UPDATE = 801; - public PaintEvent (Component source, int id, Rectangle updateRect) + /** + * This is the rectange to be painted or updated. + * + * @see #getUpdateRect() + * @see #setUpdateRect(Rectangle) + * @serial the non-null rectangle to be painted + */ + private Rectangle updateRect; + + /** + * Initializes a new instance of <code>PaintEvent</code> with the specified + * source, id, and update region. Note that an invalid id leads to + * unspecified results. + * + * @param source the event source + * @param id the event id + * @param updateRect the rectangle to repaint + * @throws IllegalArgumentException if source is null + */ + public PaintEvent(Component source, int id, Rectangle updateRect) { - super (source, id); + super(source, id); this.updateRect = updateRect; } - public Rectangle getUpdateRect () + /** + * Returns the rectange to be updated for this event. + * + * @return the rectangle to update + */ + public Rectangle getUpdateRect() { return updateRect; } - public String paramString () + /** + * Sets the rectangle to be updated for this event. + * + * @param updateRect the new update rectangle for this event + */ + public void setUpdateRect(Rectangle updateRect) { - String r; - switch (id) - { - case UPDATE: - r = "UPDATE"; - break; - case PAINT: - r = "PAINT"; - break; - default: - r = "unknown id"; - break; - } - - r += ",updateRect=" + updateRect; - return r; + this.updateRect = updateRect; } - public void setUpdateRect (Rectangle updateRect) + /** + * Returns a string identifying this event. + * + * @return a string identifying this event + */ + public String paramString() { - this.updateRect = updateRect; + return (id == PAINT ? "PAINT,updateRect=" : id == UPDATE + ? "UPDATE,updateRect=" : "unknown type,updateRect=") + updateRect; } - - private Rectangle updateRect; -} +} // class PaintEvent |
