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CaretEvent (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档


Java™ Platform
Standard Ed. 6

javax.swing.event
Class CaretEvent

java.lang.Object
  extended by java.util.EventObject
      extended by javax.swing.event.CaretEvent
All Implemented Interfaces:
Serializable

public abstract class CaretEvent
extends EventObject

CaretEvent is used to notify interested parties that the text caret has changed in the event source.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeansTM has been added to the java.beans package. Please see XMLEncoder.


Field Summary
 
Fields inherited from class java.util.EventObject
source
 
Constructor Summary
CaretEvent(Object source)
          Creates a new CaretEvent object.
 
Method Summary
abstract  int getDot()
          Fetches the location of the caret.
abstract  int getMark()
          Fetches the location of other end of a logical selection.
 
Methods inherited from class java.util.EventObject
getSource, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

CaretEvent

public CaretEvent(Object source)
Creates a new CaretEvent object.

Parameters:
source - the object responsible for the event
Method Detail

getDot

public abstract int getDot()
Fetches the location of the caret.

Returns:
the dot >= 0

getMark

public abstract int getMark()
Fetches the location of other end of a logical selection. If there is no selection, this will be the same as dot.

Returns:
the mark >= 0

Java™ Platform
Standard Ed. 6

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2006 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.