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java.lang.Objectjava.awt.MenuComponent
public abstract class MenuComponent
This is the superclass of all menu AWT widgets.
Nested Class Summary | |
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protected class |
MenuComponent.AccessibleAWTMenuComponent
This class provides a base for the accessibility support of menu components. |
Constructor Summary | |
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MenuComponent()
Default constructor for subclasses. |
Method Summary | |
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void |
dispatchEvent(AWTEvent event)
Sends this event to this component or a subcomponent for processing. |
AccessibleContext |
getAccessibleContext()
Gets the AccessibleContext associated with this MenuComponent . |
Font |
getFont()
Returns the font in use for this component. |
String |
getName()
Returns the name of this component. |
MenuContainer |
getParent()
Returns the parent of this component. |
MenuComponentPeer |
getPeer()
Deprecated. |
protected Object |
getTreeLock()
Returns the object used for synchronization locks on this component when performing tree and layout functions. |
protected String |
paramString()
Returns a debugging string for this component |
boolean |
postEvent(Event event)
Deprecated. Deprecated in favor of dispatchEvent() . |
protected void |
processEvent(AWTEvent event)
Processes the specified event. |
void |
removeNotify()
Destroys this component's native peer |
void |
setFont(Font font)
Sets the font for this component to the specified font. |
void |
setName(String name)
Sets the name of this component to the specified name. |
String |
toString()
Returns a string representation of this component. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public MenuComponent()
HeadlessException
- ff GraphicsEnvironment.isHeadless() is trueMethod Detail |
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public Font getFont()
public void setFont(Font font)
font
- the new font for this componentpublic String getName()
public void setName(String name)
name
- the new name of this componentpublic MenuContainer getParent()
public MenuComponentPeer getPeer()
public void removeNotify()
protected final Object getTreeLock()
public boolean postEvent(Event event)
dispatchEvent()
.
public final void dispatchEvent(AWTEvent event)
event
- The event to dispatchprotected void processEvent(AWTEvent event)
event
- the event to processpublic String toString()
toString
in class Object
Object.getClass()
,
Object.hashCode()
,
Class.getName()
,
Integer.toHexString(int)
protected String paramString()
public AccessibleContext getAccessibleContext()
MenuComponent
.
As an abstract class, we return null. Concrete subclasses should return
their implementation of the accessibility context.
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