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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/Button.java
/* * @(#)Button.java 1.44 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.ButtonPeer; import java.awt.event.*; import java.io.ObjectOutputStream; import java.io.ObjectInputStream; import java.io.IOException; /** * This class creates a labeled button. The application can cause * some action to happen when the button is pushed. This image * depicts three views of a "<code>Quit</code>" button as it appears * under the Solaris operating system: * <p> * <img src="images-awt/Button-1.gif" * ALIGN=center HSPACE=10 VSPACE=7> * <p> * The first view shows the button as it appears normally. * The second view shows the button * when it has input focus. Its outline is darkened to let the * user know that it is an active object. The third view shows the * button when the user clicks the mouse over the button, and thus * requests that an action be performed. * <p> * The gesture of clicking on a button with the mouse * is associated with one instance of <code>ActionEvent</code>, * which is sent out when the mouse is both pressed and released * over the button. If an application is interested in knowing * when the button has been pressed but not released, as a separate * gesture, it can specialize <code>processMouseEvent</code>, * or it can register itself as a listener for mouse events by * calling <code>addMouseListener</code>. Both of these methods are * defined by <code>Component</code>, the abstract superclass of * all components. * <p> * When a button is pressed and released, AWT sends an instance * of <code>ActionEvent</code> to the button, by calling * <code>processEvent</code> on the button. The button's * <code>processEvent</code> method receives all events * for the button; it passes an action event along by * calling its own <code>processActionEvent</code> method. * The latter method passes the action event on to any action * listeners that have registered an interest in action * events generated by this button. * <p> * If an application wants to perform some action based on * a button being pressed and released, it should implement * <code>ActionListener</code> and register the new listener * to receive events from this button, by calling the button's * <code>addActionListener</code> method. The application can * make use of the button's action command as a messaging protocol. * * @version 1.39 06/12/97 * @author Sami Shaio * @see java.awt.event.ActionEvent * @see java.awt.event.ActionListener * @see java.awt.Component#processMouseEvent * @see java.awt.Component#addMouseListener * @since JDK1.0 */ public class Button extends Component { String label; String actionCommand; transient ActionListener actionListener; private static final String base = "button"; private static int nameCounter = 0; /* * JDK 1.1 serialVersionUID */ private static final long serialVersionUID = -8774683716313001058L; /** * Constructs a Button with no label. * @since JDK1.0 */ public Button() { this(""); } /** * Constructs a Button with the specified label. * @param label A string label for the button. * @since JDK1.0 */ public Button(String label) { this.label = label; } /** * Construct a name for this component. Called by getName() when the * name is null. */ String constructComponentName() { return base + nameCounter++; } /** * Creates the peer of the button. The button's peer allows the * application to change the look of the button without changing * its functionality. * @see java.awt.Toolkit#createButton(java.awt.Button) * @see java.awt.Component#getToolkit() * @since JDK1.0 */ public void addNotify() { synchronized(getTreeLock()) { if (peer == null) peer = getToolkit().createButton(this); super.addNotify(); } } /** * Gets the label of this button. * @return the button's label, or <code>null</code> * if the button has no label. * @see java.awt.Button#setLabel * @since JDK1.0 */ public String getLabel() { return label; } /** * Sets the button's label to be the specified string. * @param label the new label, or <code>null</code> * if the button has no label. * @see java.awt.Button#getLabel * @since JDK1.0 */ public synchronized void setLabel(String label) { this.label = label; ButtonPeer peer = (ButtonPeer)this.peer; if (peer != null) { peer.setLabel(label); } } /** * Sets the command name for the action event fired * by this button. By default this action command is * set to match the label of the button. * @param command A string used to set the button's * action command. * @see java.awt.event.ActionEvent * @since JDK1.1 */ public void setActionCommand(String command) { actionCommand = command; } /** * Returns the command name of the action event fired by this button. */ public String getActionCommand() { return (actionCommand == null? label : actionCommand); } /** * Adds the specified action listener to receive action events from * this button. Action events occur when a user presses or releases * the mouse over this button. * @param l the action listener. * @see java.awt.event.ActionListener * @see java.awt.Button#removeActionListener * @since JDK1.1 */ public synchronized void addActionListener(ActionListener l) { actionListener = AWTEventMulticaster.add(actionListener, l); newEventsOnly = true; } /** * Removes the specified action listener so that it no longer * receives action events from this button. Action events occur * when a user presses or releases the mouse over this button. * @param l the action listener. * @see java.awt.event.ActionListener * @see java.awt.Button#addActionListener * @since JDK1.1 */ public synchronized void removeActionListener(ActionListener l) { actionListener = AWTEventMulticaster.remove(actionListener, l); } // REMIND: remove when filtering is done at lower level boolean eventEnabled(AWTEvent e) { if (e.id == ActionEvent.ACTION_PERFORMED) { if ((eventMask & AWTEvent.ACTION_EVENT_MASK) != 0 || actionListener != null) { return true; } return false; } return super.eventEnabled(e); } /** * Processes events on this button. If an event is * an instance of <code>ActionEvent</code>, this method invokes * the <code>processActionEvent</code> method. Otherwise, * it invokes <code>processEvent</code> on the superclass. * @param e the event. * @see java.awt.event.ActionEvent * @see java.awt.Button#processActionEvent * @since JDK1.1 */ protected void processEvent(AWTEvent e) { if (e instanceof ActionEvent) { processActionEvent((ActionEvent)e); return; } super.processEvent(e); } /** * Processes action events occurring on this button * by dispatching them to any registered * <code>ActionListener</code> objects. * <p> * This method is not called unless action events are * enabled for this button. Action events are enabled * when one of the following occurs: * <p><ul> * <li>An <code>ActionListener</code> object is registered * via <code>addActionListener</code>. * <li>Action events are enabled via <code>enableEvents</code>. * </ul> * @param e the action event. * @see java.awt.event.ActionListener * @see java.awt.Button#addActionListener * @see java.awt.Component#enableEvents * @since JDK1.1 */ protected void processActionEvent(ActionEvent e) { if (actionListener != null) { actionListener.actionPerformed(e); } } /** * Returns the parameter string representing the state of this * button. This string is useful for debugging. * @return the parameter string of this button. * @since JDK1.0 */ protected String paramString() { return super.paramString() + ",label=" + label; } /* Serialization support. */ private int buttonSerializedDataVersion = 1; private void writeObject(ObjectOutputStream s) throws IOException { s.defaultWriteObject(); AWTEventMulticaster.save(s, actionListenerK, actionListener); s.writeObject(null); } private void readObject(ObjectInputStream s) throws ClassNotFoundException, IOException { s.defaultReadObject(); Object keyOrNull; while(null != (keyOrNull = s.readObject())) { String key = ((String)keyOrNull).intern(); if (actionListenerK == key) addActionListener((ActionListener)(s.readObject())); else // skip value for unrecognized key s.readObject(); } } }
⏎ java/awt/Button.java
Or download all of them as a single archive file:
File name: jdk-1.1.8-src.zip File size: 1574187 bytes Release date: 2018-11-16 Download
⇒ Backup JDK 1.1 Installation Directory
2018-11-17, 175370👍, 0💬
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