Eclipse Remote Application Platform

org.eclipse.swt.accessibility
Interface AccessibleValueListener

All Known Implementing Classes:
AccessibleValueAdapter

public interface AccessibleValueListener

Classes which implement this interface provide methods that handle AccessibleValue events.

After creating an instance of a class that implements this interface it can be added to an accessible using the addAccessibleValueListener method and removed using the removeAccessibleValueListener method.

Since:
1.4
See Also:
AccessibleValueAdapter, AccessibleValueEvent

Method Summary
 void getCurrentValue(AccessibleValueEvent e)
          Returns the value of this object as a number.
 void getMaximumValue(AccessibleValueEvent e)
          Returns the maximum value that can be represented by this object.
 void getMinimumValue(AccessibleValueEvent e)
          Returns the minimum value that can be represented by this object.
 void setCurrentValue(AccessibleValueEvent e)
          Sets the value of this object to the given number.
 

Method Detail

getCurrentValue

void getCurrentValue(AccessibleValueEvent e)
Returns the value of this object as a number.

Parameters:
e - an event object containing the following fields:
  • [out] value - the number that is the current value of this object

setCurrentValue

void setCurrentValue(AccessibleValueEvent e)
Sets the value of this object to the given number. The argument is clipped to the valid interval whose upper and lower bounds are returned by getMaximumValue and getMinimumValue, i.e. if it is lower than the minimum value the new value will be the minimum, and if it is greater than the maximum then the new value will be the maximum.

Parameters:
e - an event object containing the following fields:
  • [in/out] value - on input, the number that will be the new value of this object
    - on output, set to null if the value cannot be set

getMaximumValue

void getMaximumValue(AccessibleValueEvent e)
Returns the maximum value that can be represented by this object.

Parameters:
e - an event object containing the following fields:
  • [out] value - the number that is the maximum value that this object can represent. If this object has no upper bound then null is returned.

getMinimumValue

void getMinimumValue(AccessibleValueEvent e)
Returns the minimum value that can be represented by this object.

Parameters:
e - an event object containing the following fields:
  • [out] value - the number that is the minimum value that this object can represent. If this object has no lower bound then null is returned.

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