Class BasicMenuBarUI

javax.swing.plaf.basic.BasicMenuBarUI

Direct Known Subclasses:: MetalMenuBarUI, SynthMenuBarUI

public class BasicMenuBarUI extends MenuBarUI

A default L&F implementation of MenuBarUI. This implementation is a "combined" view/controller.

Field Summary

Modifier and Type	Field	Description
`protected ChangeListener`	`changeListener`	The instance of `ChangeListener`.
`protected ContainerListener`	`containerListener`	The instance of `ContainerListener`.
`protected JMenuBar`	`menuBar`	The instance of `JMenuBar`.

Constructor Summary

Constructor	Description
`BasicMenuBarUI()`	Constructs a `BasicMenuBarUI`.

Method Summary

Modifier and Type	Method	Description
`protected ChangeListener`	`createChangeListener()`	Returns an instance of `ChangeListener`.
`protected ContainerListener`	`createContainerListener()`	Returns an instance of `ContainerListener`.
`static ComponentUI`	`createUI(JComponent x)`	Returns a new instance of `BasicMenuBarUI`.
`protected void`	`installDefaults()`	Installs default properties.
`protected void`	`installKeyboardActions()`	Registers keyboard actions.
`protected void`	`installListeners()`	Registers listeners.
`protected void`	`uninstallDefaults()`	Uninstalls default properties.
`protected void`	`uninstallKeyboardActions()`	Unregisters keyboard actions.
`protected void`	`uninstallListeners()`	Unregisters listeners.

Methods declared in class ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getMaximumSize, getMinimumSize, getPreferredSize, installUI, paint, uninstallUI, update

Modifier and Type	Method	Description
`boolean`	`contains(JComponent c, int x, int y)`	Returns `true` if the specified x,y location is contained within the look and feel's defined shape of the specified component.
`Accessible`	`getAccessibleChild(JComponent c, int i)`	Returns the `i`th `Accessible` child of the object.
`int`	`getAccessibleChildrenCount(JComponent c)`	Returns the number of accessible children in the object.
`int`	`getBaseline(JComponent c, int width, int height)`	Returns the baseline.
`Component.BaselineResizeBehavior`	`getBaselineResizeBehavior(JComponent c)`	Returns an enum indicating how the baseline of the component changes as the size changes.
`Dimension`	`getMaximumSize(JComponent c)`	Returns the specified component's maximum size appropriate for the look and feel.
`Dimension`	`getMinimumSize(JComponent c)`	Returns the specified component's minimum size appropriate for the look and feel.
`Dimension`	`getPreferredSize(JComponent c)`	Returns the specified component's preferred size appropriate for the look and feel.
`void`	`installUI(JComponent c)`	Configures the specified component appropriately for the look and feel.
`void`	`paint(Graphics g, JComponent c)`	Paints the specified component appropriately for the look and feel.
`void`	`uninstallUI(JComponent c)`	Reverses configuration which was done on the specified component during `installUI`.
`void`	`update(Graphics g, JComponent c)`	Notifies this UI delegate that it is time to paint the specified component.

Methods declared in class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Modifier and Type	Method	Description
`protected Object`	`clone()`	Creates and returns a copy of this object.
`boolean`	`equals(Object obj)`	Indicates whether some other object is "equal to" this one.
`protected void`	`finalize()`	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
`final Class<?>`	`getClass()`	Returns the runtime class of this `Object`.
`int`	`hashCode()`	Returns a hash code value for this object.
`final void`	`notify()`	Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()`	Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()`	Returns a string representation of the object.
`final void`	`wait()`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
`final void`	`wait(long timeoutMillis)`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis, int nanos)`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Field Details

menuBar

protected JMenuBar menuBar

The instance of JMenuBar.

containerListener

protected ContainerListener containerListener

The instance of ContainerListener.

changeListener

protected ChangeListener changeListener

The instance of ChangeListener.

Constructor Details

BasicMenuBarUI

public BasicMenuBarUI()

Constructs a BasicMenuBarUI.

Method Details

createUI

public static ComponentUI createUI(JComponent x)

Returns a new instance of BasicMenuBarUI.

Parameters:: x - a component
Returns:: a new instance of BasicMenuBarUI

installDefaults

protected void installDefaults()

Installs default properties.

installListeners

protected void installListeners()

Registers listeners.

installKeyboardActions

protected void installKeyboardActions()

Registers keyboard actions.

uninstallDefaults

protected void uninstallDefaults()

Uninstalls default properties.

uninstallListeners

protected void uninstallListeners()

Unregisters listeners.

uninstallKeyboardActions

protected void uninstallKeyboardActions()

Unregisters keyboard actions.

createContainerListener

protected ContainerListener createContainerListener()

Returns an instance of ContainerListener.

Returns:: an instance of ContainerListener

createChangeListener

protected ChangeListener createChangeListener()

Returns an instance of ChangeListener.

Returns:: an instance of ChangeListener

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