java.awt
Interface KeyEventDispatcher
- DefaultFocusManager, DefaultKeyboardFocusManager, FocusManager, KeyboardFocusManager
An instance of this interface coordinates with a KeyboardFocusManager to
target and dispatch all key events. This allows retargeting, consuming,
changing, or otherwise manipulating the key event before sending it on to
a target.
By default, the KeyboardFocusManager is the sink for all key events not
dispatched by other dispatchers. Therefore, it is unnecessary for the user
to register the focus manager as a dispatcher.
dispatchKeyEvent
public boolean dispatchKeyEvent(KeyEvent e)
Called by the KeyboardFocusManager to request that a key event be
dispatched. The dispatcher is free to retarget the event, consume it,
dispatch it, or make other changes. This is usually done to allow
delivery of key events to objects other than the window in focus, such
as for navigating non-focusable components. If this dispatcher chooses
to dispatch the event itself, it should call
redispatchEvent
to avoid infinite recursion.
If the return value is false, the KeyEvent is passed to the next
dispatcher in the chain, ending with the KeyboardFocusManager. If the
return value is true, the event has been consumed (although it might
have been ignored), and no further action will be taken on the event. Be
sure to check whether the event was consumed before dispatching it
further.
- true if the event has been consumed
KeyEventDispatcher.java -- dispatches key events
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