| /* PaintEvent.java -- an area of the screen needs to be repainted |
| Copyright (C) 1999, 2002, 2005 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.event; |
| |
| import java.awt.Component; |
| import java.awt.Rectangle; |
| |
| /** |
| * 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 |
| */ |
| public class PaintEvent extends ComponentEvent |
| { |
| /** |
| * 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; |
| |
| /** |
| * 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); |
| this.updateRect = updateRect; |
| } |
| |
| /** |
| * Returns the rectange to be updated for this event. |
| * |
| * @return the rectangle to update |
| */ |
| public Rectangle getUpdateRect() |
| { |
| return updateRect; |
| } |
| |
| /** |
| * Sets the rectangle to be updated for this event. |
| * |
| * @param updateRect the new update rectangle for this event |
| */ |
| public void setUpdateRect(Rectangle updateRect) |
| { |
| this.updateRect = updateRect; |
| } |
| |
| /** |
| * Returns a string identifying this event. |
| * |
| * @return a string identifying this event |
| */ |
| public String paramString() |
| { |
| return (id == PAINT ? "PAINT,updateRect=" : id == UPDATE |
| ? "UPDATE,updateRect=" : "unknown type,updateRect=") + updateRect; |
| } |
| } // class PaintEvent |