Java Doc for AccessibleTextAdapter.java in  » IDE-Eclipse » swt » org » eclipse » swt » accessibility » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Eclipse » swt » org.eclipse.swt.accessibility 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.eclipse.swt.accessibility.AccessibleTextAdapter

AccessibleTextAdapter
abstract public class AccessibleTextAdapter implements AccessibleTextListener(Code)
This adapter class provides default implementations for the methods described by the AccessibleTextListener interface.

Classes that wish to deal with AccessibleTextEvents can extend this class and override only the methods that they are interested in.

Note: Accessibility clients use child identifiers to specify whether they want information about a control or one of its children. Child identifiers are increasing integers beginning with 0. The identifier CHILDID_SELF represents the control itself. When returning a child identifier to a client, you may use CHILDID_NONE to indicate that no child or control has the required information.

Note: This adapter is typically used by implementors of a custom control to provide very detailed information about the control instance to accessibility clients.


See Also:   AccessibleTextListener
See Also:   AccessibleTextEvent
since:
   3.0




Method Summary
public  voidgetCaretOffset(AccessibleTextEvent e)
     Sent when an accessibility client requests the current character offset of the text caret.
public  voidgetSelectionRange(AccessibleTextEvent e)
     Sent when an accessibility client requests the range of the current text selection.



Method Detail
getCaretOffset
public void getCaretOffset(AccessibleTextEvent e)(Code)
Sent when an accessibility client requests the current character offset of the text caret. The default behavior is to do nothing.

Return the caret offset in the offset field of the event object.


Parameters:
  e - an event object containing the following fields:
  • childID [IN] - an identifier specifying a child of the control
  • offset [OUT] - the current offset of the text caret



getSelectionRange
public void getSelectionRange(AccessibleTextEvent e)(Code)
Sent when an accessibility client requests the range of the current text selection. The default behavior is to do nothing.

Return the selection start offset and non-negative length in the offset and length fields of the event object.


Parameters:
  e - an event object containing the following fields:
  • childID [IN] - an identifier specifying a child of the control
  • offset [OUT] - the offset of the current text selection
  • length [OUT] - the length of the current text selection



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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