home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
DOS/V Power Report 1998 February
/
VPR9802A.ISO
/
APP_DEMO
/
VC
/
MAIN.BIN
/
PaintEvent.java
< prev
next >
Wrap
Text File
|
1997-10-27
|
3KB
|
114 lines
/*
* @(#)PaintEvent.java 1.6 97/02/20
*
* Copyright (c) 1995, 1996 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
* CopyrightVersion 1.1_beta
*
*/
package java.awt.event;
import java.awt.Component;
import java.awt.Event;
import java.awt.Rectangle;
/**
* The component-level paint event.
* This event is a special type which is used to ensure that
* paint/update method calls are serialized along with the other
* events delivered from the event queue. This event is not
* designed to be used with the Event Listener model; programs
* should continue to override paint/update methods in order
* render themselves properly.
*
* @version 1.6 02/20/97
* @author Amy Fowler
*/
public class PaintEvent extends ComponentEvent {
/**
* Marks the first integer id for the range of paint event ids.
*/
public static final int PAINT_FIRST = 800;
/**
* Marks the last integer id for the range of paint event ids.
*/
public static final int PAINT_LAST = 801;
/**
* The paint event type.
*/
public static final int PAINT = PAINT_FIRST;
/**
* The update event type.
*/
public static final int UPDATE = PAINT_FIRST + 1; //801
Rectangle updateRect;
/*
* JDK 1.1 serialVersionUID
*/
private static final long serialVersionUID = 1267492026433337593L;
/**
* Constructs a PaintEvent object with the specified source component
* and type.
* @param source the object where the event originated
* @id the event type
* @updateRect the rectangle area which needs to be repainted
*/
public PaintEvent(Component source, int id, Rectangle updateRect) {
super(source, id);
this.updateRect = updateRect;
}
/**
* Returns the rectangle representing the area which needs to be
* repainted in response to this event.
*/
public Rectangle getUpdateRect() {
return updateRect;
}
/**
* Sets the rectangle representing the area which needs to be
* repainted in response to this event.
* @param updateRect the rectangle area which needs to be repainted
*/
public void setUpdateRect(Rectangle updateRect) {
this.updateRect = updateRect;
}
public String paramString() {
String typeStr;
switch(id) {
case PAINT:
typeStr = "PAINT";
break;
case UPDATE:
typeStr = "UPDATE";
break;
default:
typeStr = "unknown type";
}
return typeStr + ",updateRect="+(updateRect != null ? updateRect.toString() : "null");
}
}