Enum Class FocusEvent.Cause
- All Implemented Interfaces:
Serializable
,Comparable<FocusEvent.Cause>
,Constable
- Enclosing class:
FocusEvent
This enum represents the cause of a
FocusEvent
- the reason why it
occurred. Possible reasons include mouse events, keyboard focus
traversal, window activation.
If no cause is provided then the reason is UNKNOWN
.- Since:
- 9
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Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
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Enum Constant Summary
Enum ConstantDescriptionAn activation of a toplevel window.Clearing global focus owner.An activating mouse event.Restoring focus after a focus request has been rejected.A focus traversal action with unspecified direction.A backward focus traversal action.A down-cycle focus traversal action.A forward focus traversal action.An up-cycle focus traversal action.A system action causing an unexpected focus change.The default value. -
Method Summary
Modifier and TypeMethodDescriptionstatic FocusEvent.Cause
Returns the enum constant of this class with the specified name.static FocusEvent.Cause[]
values()
Returns an array containing the constants of this enum class, in the order they are declared.
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Enum Constant Details
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UNKNOWN
The default value. -
MOUSE_EVENT
An activating mouse event. -
TRAVERSAL
A focus traversal action with unspecified direction. -
TRAVERSAL_UP
An up-cycle focus traversal action. -
TRAVERSAL_DOWN
A down-cycle focus traversal action. -
TRAVERSAL_FORWARD
A forward focus traversal action. -
TRAVERSAL_BACKWARD
A backward focus traversal action. -
ROLLBACK
Restoring focus after a focus request has been rejected. -
UNEXPECTED
A system action causing an unexpected focus change. -
ACTIVATION
An activation of a toplevel window. -
CLEAR_GLOBAL_FOCUS_OWNER
Clearing global focus owner.
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Method Details
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values
Returns an array containing the constants of this enum class, in the order they are declared.- Returns:
- an array containing the constants of this enum class, in the order they are declared
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valueOf
Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException
- if this enum class has no constant with the specified nameNullPointerException
- if the argument is null
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