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JDK 1.1 Source Code Directory
JDK 1.1 source code directory contains Java source code for JDK 1.1 core classes:
"C:\fyicenter\jdk-1.1.8\src".
Here is the list of Java classes of the JDK 1.1 source code:
✍: FYIcenter
⏎ java/awt/MenuComponent.java
/* * @(#)MenuComponent.java 1.30 01/12/10 * * Copyright 2002 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package java.awt; import java.awt.peer.MenuComponentPeer; import java.awt.event.ActionEvent; /** * The abstract class <code>MenuComponent</code> is the superclass * of all menu-related components. In this respect, the class * <code>MenuComponent</code> is analogous to the abstract superclass * <code>Component</code> for AWT components. * <p> * Menu components receive and process AWT events, just as components do, * through the method <code>processEvent</code>. * * @version 1.30, 12/10/01 * @author Arthur van Hoff * @since JDK1.0 */ public abstract class MenuComponent implements java.io.Serializable { transient MenuComponentPeer peer; transient MenuContainer parent; Font font; private String name; private boolean nameExplicitlySet = false; boolean newEventsOnly = false; /* * Internal constants for serialization */ final static String actionListenerK = Component.actionListenerK; final static String itemListenerK = Component.itemListenerK; /* * JDK 1.1 serialVersionUID */ private static final long serialVersionUID = -4536902356223894379L; /** * Construct a name for this MenuComponent. Called by getName() when * the name is null. */ String constructComponentName() { return null; // For strict compliance with prior JDKs, a MenuComponent // that doesn't set its name should return null from // getName() } /** * Gets the name of the menu component. * @return the name of the menu component. * @see java.awt.MenuComponent#setName(java.lang.String) * @since JDK1.1 */ public String getName() { if (name == null && !nameExplicitlySet) { synchronized(this) { if (name == null && !nameExplicitlySet) { name = constructComponentName(); } } } return name; } /** * Sets the name of the component to the specified string. * @param name the name of the menu component. * @see java.awt.MenuComponent#getName * @since JDK1.1 */ public void setName(String name) { synchronized(this) { this.name = name; nameExplicitlySet = true; } } /** * Returns the parent container for this menu component. * @return the menu component containing this menu component, * or <code>null</code> if this menu component * is the outermost component, the menu bar itself. * @since JDK1.0 */ public MenuContainer getParent() { return parent; } /** * @deprecated As of JDK version 1.1, * programs should not directly manipulate peers. */ public MenuComponentPeer getPeer() { return peer; } /** * Gets the font used for this menu component. * @return the font used in this menu component, if there is one; * <code>null</code> otherwise. * @see java.awt.MenuComponent#setFont * @since JDK1.0 */ public Font getFont() { Font font = this.font; if (font != null) { return font; } MenuContainer parent = this.parent; if (parent != null) { return parent.getFont(); } return null; } /** * Sets the font to be used for this menu component to the specified * font. This font is also used by all subcomponents of this menu * component, unless those subcomponents specify a different font. * @param f the font to be set. * @see java.awt.MenuComponent#getFont * @since JDK1.0 */ public void setFont(Font f) { font = f; } /** * Removes the menu component's peer. The peer allows us to modify the * appearance of the menu component without changing the functionality of * the menu component. */ public void removeNotify() { synchronized(getTreeLock()) { MenuComponentPeer p = (MenuComponentPeer)this.peer; if (p != null) { Toolkit.getEventQueue().removeSourceEvents(this); this.peer = null; p.dispose(); } } } /** * Posts the specified event to the menu. * This method is part of the Java 1.0 event system * and it is maintained only for backwards compatibility. * Its use is discouraged, and it may not be supported * in the future. * @param evt the event which is to take place * @deprecated As of JDK version 1.1, * replaced by <code>dispatchEvent(AWTEvent)</code>. * @since JDK1.0 */ public boolean postEvent(Event evt) { MenuContainer parent = this.parent; if (parent != null) { parent.postEvent(evt); } return false; } /* * Delivers an event to this component or one of its sub components. * @param e the event */ public final void dispatchEvent(AWTEvent e) { dispatchEventImpl(e); } void dispatchEventImpl(AWTEvent e) { if (newEventsOnly || (parent != null && parent instanceof MenuComponent && ((MenuComponent)parent).newEventsOnly)) { if (eventEnabled(e)) { processEvent(e); } else if (e instanceof ActionEvent && parent != null) { ((MenuComponent)parent).dispatchEvent(new ActionEvent(parent, e.getID(), ((ActionEvent)e).getActionCommand())); } } else { // backward compatibility Event olde = e.convertToOld(); if (olde != null) { postEvent(olde); } } } // REMIND: remove when filtering is done at lower level boolean eventEnabled(AWTEvent e) { return false; } /** * Processes events occurring on this menu component. * @param e the event * @since JDK1.1 */ protected void processEvent(AWTEvent e) { } /** * Returns the parameter string representing the state of this * menu component. This string is useful for debugging. * @return the parameter string of this menu component. * @since JDK1.0 */ protected String paramString() { String thisName = getName(); return (thisName != null? thisName : ""); } /** * Returns a representation of this menu component as a string. * @return a string representation of this menu component. * @since JDK1.0 */ public String toString() { return getClass().getName() + "[" + paramString() + "]"; } /** * Gets this component's locking object (the object that owns the thread * sychronization monitor) for AWT component-tree and layout * operations. * @return This component's locking object. */ protected final Object getTreeLock() { return Component.LOCK; } }
⏎ java/awt/MenuComponent.java
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⇒ Backup JDK 1.1 Installation Directory
⇠JDK 1.1 classes.zip - Java Core Classes
2018-11-17, 91335👍, 0💬
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