java.lang.Object
java.awt.KeyboardFocusManager
java.awt.DefaultKeyboardFocusManager
javax.swing.FocusManager
- All Implemented Interfaces:
KeyEventDispatcher
,KeyEventPostProcessor
- Direct Known Subclasses:
DefaultFocusManager
public abstract class FocusManager extends DefaultKeyboardFocusManager
This class has been obsoleted by the 1.4 focus APIs. While client code may
still use this class, developers are strongly encouraged to use
java.awt.KeyboardFocusManager
and
java.awt.DefaultKeyboardFocusManager
instead.
Please see How to Use the Focus Subsystem, a section in The Java Tutorial, and the Focus Specification for more information.
- Since:
- 1.2
- See Also:
- Focus Specification
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Field Summary
Fields Modifier and Type Field Description static String
FOCUS_MANAGER_CLASS_PROPERTY
This field is obsolete, and its use is discouraged since its specification is incompatible with the 1.4 focus APIs.Fields declared in class java.awt.KeyboardFocusManager
BACKWARD_TRAVERSAL_KEYS, DOWN_CYCLE_TRAVERSAL_KEYS, FORWARD_TRAVERSAL_KEYS, UP_CYCLE_TRAVERSAL_KEYS
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Constructor Summary
Constructors Constructor Description FocusManager()
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Method Summary
Modifier and Type Method Description static void
disableSwingFocusManager()
Deprecated.static FocusManager
getCurrentManager()
Returns the currentKeyboardFocusManager
instance for the calling thread's context.static boolean
isFocusManagerEnabled()
Deprecated.As of 1.4, replaced byKeyboardFocusManager.getDefaultFocusTraversalPolicy()
static void
setCurrentManager(FocusManager aFocusManager)
Sets the currentKeyboardFocusManager
instance for the calling thread's context.Methods declared in class java.awt.DefaultKeyboardFocusManager
dequeueKeyEvents, discardKeyEvents, dispatchEvent, dispatchKeyEvent, downFocusCycle, enqueueKeyEvents, focusNextComponent, focusPreviousComponent, postProcessKeyEvent, processKeyEvent, upFocusCycle
Methods declared in class java.awt.KeyboardFocusManager
addKeyEventDispatcher, addKeyEventPostProcessor, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, addVetoableChangeListener, clearFocusOwner, clearGlobalFocusOwner, downFocusCycle, firePropertyChange, fireVetoableChange, focusNextComponent, focusPreviousComponent, getActiveWindow, getCurrentFocusCycleRoot, getCurrentKeyboardFocusManager, getDefaultFocusTraversalKeys, getDefaultFocusTraversalPolicy, getFocusedWindow, getFocusOwner, getGlobalActiveWindow, getGlobalCurrentFocusCycleRoot, getGlobalFocusedWindow, getGlobalFocusOwner, getGlobalPermanentFocusOwner, getKeyEventDispatchers, getKeyEventPostProcessors, getPermanentFocusOwner, getPropertyChangeListeners, getPropertyChangeListeners, getVetoableChangeListeners, getVetoableChangeListeners, redispatchEvent, removeKeyEventDispatcher, removeKeyEventPostProcessor, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, removeVetoableChangeListener, setCurrentKeyboardFocusManager, setDefaultFocusTraversalKeys, setDefaultFocusTraversalPolicy, setGlobalActiveWindow, setGlobalCurrentFocusCycleRoot, setGlobalFocusedWindow, setGlobalFocusOwner, setGlobalPermanentFocusOwner, upFocusCycle
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Field Details
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FOCUS_MANAGER_CLASS_PROPERTY
This field is obsolete, and its use is discouraged since its specification is incompatible with the 1.4 focus APIs. The current FocusManager is no longer a property of the UI. Client code must query for the current FocusManager usingKeyboardFocusManager.getCurrentKeyboardFocusManager()
. See the Focus Specification for more information.
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Constructor Details
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FocusManager
public FocusManager()
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Method Details
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getCurrentManager
Returns the currentKeyboardFocusManager
instance for the calling thread's context.- Returns:
- this thread's context's
KeyboardFocusManager
- See Also:
setCurrentManager(javax.swing.FocusManager)
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setCurrentManager
Sets the currentKeyboardFocusManager
instance for the calling thread's context. Ifnull
is specified, then the currentKeyboardFocusManager
is replaced with a new instance ofDefaultKeyboardFocusManager
.If a
SecurityManager
is installed, the calling thread must be granted theAWTPermission
"replaceKeyboardFocusManager" in order to replace the the currentKeyboardFocusManager
. If this permission is not granted, this method will throw aSecurityException
, and the currentKeyboardFocusManager
will be unchanged.- Parameters:
aFocusManager
- the newKeyboardFocusManager
for this thread's context- Throws:
SecurityException
- if the calling thread does not have permission to replace the currentKeyboardFocusManager
- See Also:
getCurrentManager()
,DefaultKeyboardFocusManager
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disableSwingFocusManager
Deprecated.as of 1.4, replaced byKeyboardFocusManager.setDefaultFocusTraversalPolicy(FocusTraversalPolicy)
Changes the currentKeyboardFocusManager
's defaultFocusTraversalPolicy
toDefaultFocusTraversalPolicy
. -
isFocusManagerEnabled
Deprecated.As of 1.4, replaced byKeyboardFocusManager.getDefaultFocusTraversalPolicy()
Returns whether the application has invokeddisableSwingFocusManager()
.- Returns:
true
if focus manager is enabled.- See Also:
disableSwingFocusManager()
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KeyboardFocusManager.setDefaultFocusTraversalPolicy(FocusTraversalPolicy)