Class FocusManager
- 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
Field Summary
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static String | FOCUS_MANAGER_CLASS_PROPERTY | This field is obsolete, and its use is discouraged since its specification is incompatible with the 1.4 focus APIs.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
Constructor Summary
Constructor | Description |
---|---|
FocusManager() |
Method Summary
Modifier and Type | Method | Description |
---|---|---|
static void | disableSwingFocusManager() | Deprecated. as of 1.4, replaced by KeyboardFocusManager.setDefaultFocusTraversalPolicy(FocusTraversalPolicy)
|
static FocusManager | getCurrentManager() | Returns the current |
static boolean | isFocusManagerEnabled() | Deprecated. As of 1.4, replaced by KeyboardFocusManager.getDefaultFocusTraversalPolicy()
|
static void | setCurrentManager(FocusManager aFocusManager) | Sets the current |
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
Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Field Detail
FOCUS_MANAGER_CLASS_PROPERTY
public static final 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. The current FocusManager is no longer a property of the UI. Client code must query for the current FocusManager using KeyboardFocusManager.getCurrentKeyboardFocusManager()
. See the Focus Specification for more information.
Constructor Detail
FocusManager
public FocusManager()
Method Detail
getCurrentManager
public static FocusManager getCurrentManager()
Returns the current KeyboardFocusManager
instance for the calling thread's context.
- Returns:
- this thread's context's
KeyboardFocusManager
- See Also:
setCurrentManager(javax.swing.FocusManager)
setCurrentManager
public static void setCurrentManager(FocusManager aFocusManager) throws SecurityException
Sets the current KeyboardFocusManager
instance for the calling thread's context. If null
is specified, then the current KeyboardFocusManager
is replaced with a new instance of DefaultKeyboardFocusManager
.
If a SecurityManager
is installed, the calling thread must be granted the AWTPermission
"replaceKeyboardFocusManager" in order to replace the the current KeyboardFocusManager
. If this permission is not granted, this method will throw a SecurityException
, and the current KeyboardFocusManager
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
disableSwingFocusManager
@Deprecated public static void disableSwingFocusManager()
KeyboardFocusManager.setDefaultFocusTraversalPolicy(FocusTraversalPolicy)
Changes the current KeyboardFocusManager
's default FocusTraversalPolicy
to DefaultFocusTraversalPolicy
.
- See Also:
-
DefaultFocusTraversalPolicy
,KeyboardFocusManager.setDefaultFocusTraversalPolicy(java.awt.FocusTraversalPolicy)
isFocusManagerEnabled
@Deprecated public static boolean isFocusManagerEnabled()
KeyboardFocusManager.getDefaultFocusTraversalPolicy()
Returns whether the application has invoked disableSwingFocusManager()
.
- Returns:
-
true
if focus manager is enabled. - See Also:
disableSwingFocusManager()