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Showing content from https://docs.oracle.com/javase/8/docs/api/java/awt/KeyboardFocusManager.html below:

KeyboardFocusManager (Java Platform SE 8 )

Modifier and Type Method Description void addKeyEventDispatcher(KeyEventDispatcher dispatcher)

Adds a KeyEventDispatcher to this KeyboardFocusManager's dispatcher chain.

void addKeyEventPostProcessor(KeyEventPostProcessor processor)

Adds a KeyEventPostProcessor to this KeyboardFocusManager's post- processor chain.

void addPropertyChangeListener(PropertyChangeListener listener)

Adds a PropertyChangeListener to the listener list.

void addPropertyChangeListener(String propertyName, PropertyChangeListener listener)

Adds a PropertyChangeListener to the listener list for a specific property.

void addVetoableChangeListener(String propertyName, VetoableChangeListener listener)

Adds a VetoableChangeListener to the listener list for a specific property.

void addVetoableChangeListener(VetoableChangeListener listener)

Adds a VetoableChangeListener to the listener list.

void clearFocusOwner()

Clears the focus owner at both the Java and native levels if the focus owner exists and resides in the same context as the calling thread, otherwise the method returns silently.

void clearGlobalFocusOwner()

Clears the global focus owner at both the Java and native levels.

protected abstract void dequeueKeyEvents(long after, Component untilFocused)

Called by the AWT to notify the KeyboardFocusManager that it should cancel delayed dispatching of KeyEvents.

protected abstract void discardKeyEvents(Component comp)

Called by the AWT to notify the KeyboardFocusManager that it should cancel delayed dispatching of KeyEvents.

abstract boolean dispatchEvent(AWTEvent e)

This method is called by the AWT event dispatcher requesting that the current KeyboardFocusManager dispatch the specified event on its behalf.

abstract boolean dispatchKeyEvent(KeyEvent e)

Typically this method will be called by dispatchEvent if no other KeyEventDispatcher in the dispatcher chain dispatched the KeyEvent, or if no other KeyEventDispatchers are registered.

void downFocusCycle()

Moves the focus down one focus traversal cycle from the current focus owner, if and only if the current focus owner is a Container that is a focus cycle root.

abstract void downFocusCycle(Container aContainer)

Moves the focus down one focus traversal cycle.

protected abstract void enqueueKeyEvents(long after, Component untilFocused)

Called by the AWT to notify the KeyboardFocusManager that it should delay dispatching of KeyEvents until the specified Component becomes the focus owner.

protected void firePropertyChange(String propertyName, Object oldValue, Object newValue)

Fires a PropertyChangeEvent in response to a change in a bound property.

protected void fireVetoableChange(String propertyName, Object oldValue, Object newValue)

Fires a PropertyChangeEvent in response to a change in a vetoable property.

void focusNextComponent()

Focuses the Component after the current focus owner.

abstract void focusNextComponent(Component aComponent)

Focuses the Component after aComponent, typically based on a FocusTraversalPolicy.

void focusPreviousComponent()

Focuses the Component before the current focus owner.

abstract void focusPreviousComponent(Component aComponent)

Focuses the Component before aComponent, typically based on a FocusTraversalPolicy.

Window getActiveWindow()

Returns the active Window, if the active Window is in the same context as the calling thread.

Container getCurrentFocusCycleRoot()

Returns the current focus cycle root, if the current focus cycle root is in the same context as the calling thread.

static KeyboardFocusManager getCurrentKeyboardFocusManager()

Returns the current KeyboardFocusManager instance for the calling thread's context.

Set<AWTKeyStroke> getDefaultFocusTraversalKeys(int id)

Returns a Set of default focus traversal keys for a given traversal operation.

FocusTraversalPolicy getDefaultFocusTraversalPolicy()

Returns the default FocusTraversalPolicy.

Window getFocusedWindow()

Returns the focused Window, if the focused Window is in the same context as the calling thread.

Component getFocusOwner()

Returns the focus owner, if the focus owner is in the same context as the calling thread.

protected Window getGlobalActiveWindow()

Returns the active Window, even if the calling thread is in a different context than the active Window.

protected Container getGlobalCurrentFocusCycleRoot()

Returns the current focus cycle root, even if the calling thread is in a different context than the current focus cycle root.

protected Window getGlobalFocusedWindow()

Returns the focused Window, even if the calling thread is in a different context than the focused Window.

protected Component getGlobalFocusOwner()

Returns the focus owner, even if the calling thread is in a different context than the focus owner.

protected Component getGlobalPermanentFocusOwner()

Returns the permanent focus owner, even if the calling thread is in a different context than the permanent focus owner.

protected List<KeyEventDispatcher> getKeyEventDispatchers()

Returns this KeyboardFocusManager's KeyEventDispatcher chain as a List.

protected List<KeyEventPostProcessor> getKeyEventPostProcessors()

Returns this KeyboardFocusManager's KeyEventPostProcessor chain as a List.

Component getPermanentFocusOwner()

Returns the permanent focus owner, if the permanent focus owner is in the same context as the calling thread.

PropertyChangeListener[] getPropertyChangeListeners()

Returns an array of all the property change listeners registered on this keyboard focus manager.

PropertyChangeListener[] getPropertyChangeListeners(String propertyName)

Returns an array of all the PropertyChangeListeners associated with the named property.

VetoableChangeListener[] getVetoableChangeListeners()

Returns an array of all the vetoable change listeners registered on this keyboard focus manager.

VetoableChangeListener[] getVetoableChangeListeners(String propertyName)

Returns an array of all the VetoableChangeListeners associated with the named property.

abstract boolean postProcessKeyEvent(KeyEvent e)

This method will be called by dispatchKeyEvent.

abstract void processKeyEvent(Component focusedComponent, KeyEvent e)

This method initiates a focus traversal operation if and only if the KeyEvent represents a focus traversal key for the specified focusedComponent.

void redispatchEvent(Component target, AWTEvent e)

Redispatches an AWTEvent in such a way that the AWT event dispatcher will not recursively request that the KeyboardFocusManager, or any installed KeyEventDispatchers, dispatch the event again.

void removeKeyEventDispatcher(KeyEventDispatcher dispatcher)

Removes a KeyEventDispatcher which was previously added to this KeyboardFocusManager's dispatcher chain.

void removeKeyEventPostProcessor(KeyEventPostProcessor processor)

Removes a previously added KeyEventPostProcessor from this KeyboardFocusManager's post-processor chain.

void removePropertyChangeListener(PropertyChangeListener listener)

Removes a PropertyChangeListener from the listener list.

void removePropertyChangeListener(String propertyName, PropertyChangeListener listener)

Removes a PropertyChangeListener from the listener list for a specific property.

void removeVetoableChangeListener(String propertyName, VetoableChangeListener listener)

Removes a VetoableChangeListener from the listener list for a specific property.

void removeVetoableChangeListener(VetoableChangeListener listener)

Removes a VetoableChangeListener from the listener list.

static void setCurrentKeyboardFocusManager(KeyboardFocusManager newManager)

Sets the current KeyboardFocusManager instance for the calling thread's context.

void setDefaultFocusTraversalKeys(int id, Set<? extends AWTKeyStroke> keystrokes)

Sets the default focus traversal keys for a given traversal operation.

void setDefaultFocusTraversalPolicy(FocusTraversalPolicy defaultPolicy)

Sets the default FocusTraversalPolicy.

protected void setGlobalActiveWindow(Window activeWindow)

Sets the active Window.

void setGlobalCurrentFocusCycleRoot(Container newFocusCycleRoot)

Sets the current focus cycle root.

protected void setGlobalFocusedWindow(Window focusedWindow)

Sets the focused Window.

protected void setGlobalFocusOwner(Component focusOwner)

Sets the focus owner.

protected void setGlobalPermanentFocusOwner(Component permanentFocusOwner)

Sets the permanent focus owner.

void upFocusCycle()

Moves the focus up one focus traversal cycle from the current focus owner.

abstract void upFocusCycle(Component aComponent)

Moves the focus up one focus traversal cycle.


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