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Commit 10185e38 by Tom Tromey Committed by Tom Tromey
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MenuComponent.java: Merged with Classpath. 

	* java/awt/MenuComponent.java: Merged with Classpath.
	* java/awt/MenuItem.java: Merged with Classpath.
	* java/awt/Button.java: Merged with Classpath.

From-SVN: r48975
parent ccc643e2
Showing with 571 additions and 214 deletions
libjava/ChangeLog
2002-01-17 Tom Tromey <tromey@redhat.com>
* java/awt/MenuComponent.java: Merged with Classpath.
* java/awt/MenuItem.java: Merged with Classpath.
* java/awt/Button.java: Merged with Classpath.
* java/awt/ActiveEvent.java: Updated copyright.
* java/awt/AWTError.java: Replaced with Classpath version.
......
libjava/java/awt/Button.java
/* Copyright (C) 2000 Free Software Foundation
/* Button.java -- AWT button widget
Copyright (C) 1999, 2002 Free Software Foundation, Inc.
This file is part of libjava.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
As a special exception, if you link this library with other files to
produce an executable, this library does not by itself cause the
resulting executable to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why the
executable file might be covered by the GNU General Public License. */
This software is copyrighted work licensed under the terms of the
Libjava License. Please consult the file "LIBJAVA_LICENSE" for
details. */
package java.awt;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.peer.ButtonPeer;
import java.awt.peer.ComponentPeer;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.util.EventListener;
/**
* @author Tom Tromey <tromey@cygnus.com>
* @date July 30, 2000
* This class provides a button widget for the AWT.
*
* @author Aaron M. Renn (arenn@urbanophile.com)
* @author Tom Tromey <tromey@cygnus.com>
*/
public class Button extends Component implements java.io.Serializable
{
/*
* Static Variables
*/
// FIXME: Need readObject/writeObject for serialization
// Serialization version constant
private static final long serialVersionUID = -8774683716313001058L;
/*************************************************************************/
/*
* Instance Variables
*/
/**
* @serial The action command name for this button.
*/
private String actionCommand;
/**
* @serial The label for this button.
*/
private String label;
// List of ActionListeners for this class.
private transient ActionListener action_listeners;
/*************************************************************************/
/*
* Constructors
*/
/**
* Initializes a new instance of <code>Button</code> with no label.
*/
public
Button()
{
this(null);
}
/*************************************************************************/
/**
* Initializes a new instance of <code>Button</code> with the specified
* label. The action command name is also initialized to this value.
*
* @param label The label to display on the button.
*/
public
Button(String label)
{
this.label = label;
actionCommand = label;
}
/*************************************************************************/
/*
* Instance Variables
*/
public class Button extends Component
/**
* Returns the label for this button.
*
* @return The label for this button.
*/
public String
getLabel()
{
public Button ()
{
this (null);
}
public Button (String label)
{
this.label = label;
}
public void addActionListener (ActionListener l)
{
actionListener = AWTEventMulticaster.add (actionListener, l);
}
public void addNotify ()
{
if (peer == null)
peer = getToolkit ().createButton (this);
super.addNotify();
}
public String getActionCommand ()
{
return actionCommand;
}
public String getLabel ()
{
return label;
}
protected String paramString ()
{
return "Button[" + label + "]";
}
void dispatchEventImpl(AWTEvent e)
{
super.dispatchEventImpl(e);
if (e.id <= ActionEvent.ACTION_LAST
&& e.id >= ActionEvent.ACTION_FIRST
&& (actionListener != null
|| (eventMask & AWTEvent.ACTION_EVENT_MASK) != 0))
processEvent(e);
}
protected void processActionEvent (ActionEvent e)
{
if (actionListener != null)
actionListener.actionPerformed (e);
}
protected void processEvent (AWTEvent e)
{
if (e instanceof ActionEvent)
processActionEvent ((ActionEvent) e);
else
super.processEvent (e);
}
public void removeActionListener (ActionListener l)
{
actionListener = AWTEventMulticaster.remove (actionListener, l);
}
public EventListener[] getListeners(Class listenerType)
{
if (listenerType == ActionListener.class)
return getListenersImpl(listenerType, actionListener);
return super.getListeners(listenerType);
}
public void setActionCommand (String command)
{
this.actionCommand = (command == null) ? label : command;
}
public void setLabel (String label)
{
this.label = label;
if (peer != null)
{
ButtonPeer bp = (ButtonPeer) peer;
bp.setLabel (label);
}
}
String label;
String actionCommand;
transient ActionListener actionListener;
return(label);
}
/*************************************************************************/
/**
* Sets the label for this button to the specified value.
*
* @param label The new label for this button.
*/
public synchronized void
setLabel(String label)
{
this.label = label;
if (peer != null)
{
ButtonPeer bp = (ButtonPeer) peer;
bp.setLabel (label);
}
}
/*************************************************************************/
/**
* Returns the action command name for this button.
*
* @return The action command name for this button.
*/
public String
getActionCommand()
{
return(actionCommand);
}
/*************************************************************************/
/**
* Sets the action command name for this button to the specified value.
*
* @param actionCommand The new action command name.
*/
public void
setActionCommand(String actionCommand)
{
this.actionCommand = actionCommand == null ? label : actionCommand;
}
/*************************************************************************/
/**
* Adds a new entry to the list of listeners that will receive
* action events from this button.
*
* @param listener The listener to add.
*/
public synchronized void
addActionListener(ActionListener listener)
{
action_listeners = AWTEventMulticaster.add(action_listeners, listener);
}
/*************************************************************************/
/**
* Removes the specified listener from the list of listeners that will
* receive action events from this button.
*
* @param listener The listener to remove.
*/
public synchronized void
removeActionListener(ActionListener listener)
{
action_listeners = AWTEventMulticaster.remove(action_listeners, listener);
}
public EventListener[]
getListeners(Class listenerType)
{
if (listenerType == ActionListener.class)
return getListenersImpl(listenerType, action_listeners);
return super.getListeners(listenerType);
}
/*************************************************************************/
/**
* Notifies this button that it should create its native peer object.
*/
public void
addNotify()
{
if (peer == null)
peer = getToolkit ().createButton (this);
super.addNotify();
}
/*************************************************************************/
/**
* Processes an event for this button. If the specified event is an
* instance of <code>ActionEvent</code>, then the
* <code>processActionEvent()</code> method is called to dispatch it
* to any registered listeners. Otherwise, the superclass method
* will be invoked. Note that this method will not be called at all
* unless <code>ActionEvent</code>'s are enabled. This will be done
* implicitly if any listeners are added.
*
* @param event The event to process.
*/
protected void
processEvent(AWTEvent event)
{
if (event instanceof ActionEvent)
processActionEvent((ActionEvent)event);
else
super.processEvent(event);
}
/*************************************************************************/
/**
* This method dispatches an action event for this button to any
* registered listeners.
*
* @param event The event to process.
*/
protected void
processActionEvent(ActionEvent event)
{
if (action_listeners != null)
action_listeners.actionPerformed(event);
}
void
dispatchEventImpl(AWTEvent e)
{
super.dispatchEventImpl(e);
if (e.id <= ActionEvent.ACTION_LAST
&& e.id >= ActionEvent.ACTION_FIRST
&& (action_listeners != null
|| (eventMask & AWTEvent.ACTION_EVENT_MASK) != 0))
processEvent(e);
}
/*************************************************************************/
/**
* Returns a debugging string for this button.
*
* @return A debugging string for this button.
*/
protected String
paramString()
{
return(getClass().getName() + "(label=" + getLabel() + ",actionCommand=" +
getActionCommand() + ")");
}
} // class Button
libjava/java/awt/MenuComponent.java
/* Copyright (C) 1999, 2000 Free Software Foundation
/* MenuComponent.java -- Superclass of all AWT menu components
Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.
This file is part of libgcj.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
As a special exception, if you link this library with other files to
produce an executable, this library does not by itself cause the
resulting executable to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why the
executable file might be covered by the GNU General Public License. */
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package java.awt;
/* Status: partially complete, untested. */
import java.awt.peer.MenuComponentPeer;
// FIXME: Java 1.0 event model unimplemented
/**
* This is the superclass of all non-menu AWT widgets.
*
* @author Aaron M. Renn (arenn@urbanophile.com)
*/
public abstract class MenuComponent implements java.io.Serializable
{
// Fields from the serialization spec. Decalare others "transient".
Font font;
String name;
boolean nameExplicitlySet;
boolean newEventsOnly;
//AccessibleContext accessibleContext;
transient MenuContainer parent;
transient java.awt.peer.MenuComponentPeer peer;
public MenuComponent()
{
}
public String getName()
{
if (name == null && !nameExplicitlySet)
name = generateName();
return name;
}
/** Subclasses should override this to generate unique names like
* "menuitem0".
*/
String generateName()
{
// MenuComponent is abstract.
return null;
}
public void setName(String name)
{
nameExplicitlySet = true;
this.name = name;
}
public MenuContainer getParent()
{
return parent;
}
/** @deprecated Don't use this. */
public java.awt.peer.MenuComponentPeer getPeer()
{
return peer;
}
public Font getFont()
{
return font;
}
public void setFont(Font f)
{
this.font = f;
}
public void removeNotify()
{
if (peer != null)
peer.dispose ();
peer = null;
}
/** @deprecated Replaced by dispatchEvent(AWTEvent) */
public boolean postEvent(Event evt)
{
return false;
}
public final void dispatchEvent(AWTEvent e)
{
// FIXME
dispatchEventImpl(e);
}
void dispatchEventImpl(AWTEvent e)
{
// This is overridden by subclasses that support events.
}
protected void processEvent(AWTEvent e)
{
// Nothing to do here? This is be overridden by subclasses that
// support events.
}
protected String paramString()
{
return name;
}
public String toString()
{
return this.getClass().getName() + "[" + paramString() + "]";
}
protected final Object getTreeLock()
{
// FIXME: figure out how the tree lock works.
return null;
}
// Accessibility API not yet implemented.
// public AccessibleContext getAccessibleContext()
/*
* Static Variables
*/
// Serialization Constant
private static final long serialVersionUID = -4536902356223894379L;
/*************************************************************************/
/*
* Instance Variables
*/
// FIXME: missing serialized fields `nameExplicitlySet',
// `newEventsOnly', and `accessibleContext'.
// The font for this component
private Font font;
// The name of the component
private String name;
// The parent of this component
transient MenuContainer parent;
// The native peer for this componet
transient MenuComponentPeer peer;
// The synchronization locking object for this component
private transient Object tree_lock = this;
// The toolkit for this object
private static transient Toolkit toolkit = Toolkit.getDefaultToolkit();
/*************************************************************************/
/*
* Constructors
*/
/**
* Default constructor for subclasses.
*/
protected
MenuComponent()
{
}
/*************************************************************************/
/*
* Instance Methods
*/
/**
* Returns the font in use for this component.
*
* @return The font for this component.
*/
public Font
getFont()
{
return(font);
}
/*************************************************************************/
/**
* Sets the font for this component to the specified font.
*
* @param font The new font for this component.
*/
public void
setFont(Font font)
{
this.font = font;
}
/*************************************************************************/
/**
* Returns the name of this component.
*
* @return The name of this component.
*/
public String
getName()
{
return(name);
}
/*************************************************************************/
/**
* Sets the name of this component to the specified name.
*
* @param name The new name of this component.
*/
public void
setName(String name)
{
this.name = name;
}
/*************************************************************************/
/**
* Returns the parent of this component.
*
* @return The parent of this component.
*/
public MenuContainer
getParent()
{
return(parent);
}
/*************************************************************************/
// Sets the parent of this component.
final void
setParent(MenuContainer parent)
{
this.parent = parent;
}
/*************************************************************************/
/**
* Returns the native windowing system peer for this component.
*
* @return The peer for this component.
*/
public MenuComponentPeer
getPeer()
{
return(peer);
}
/*************************************************************************/
// Sets the peer for this component.
final void
setPeer(MenuComponentPeer peer)
{
this.peer = peer;
}
/*************************************************************************/
/**
* Destroys this component's native peer
*/
public void
removeNotify()
{
if (peer != null)
peer.dispose();
peer = null;
}
/*************************************************************************/
/**
* Returns the toolkit in use for this component.
*
* @return The toolkit for this component.
*/
final Toolkit
getToolkit()
{
return(toolkit);
}
/*************************************************************************/
/**
* Returns the object used for synchronization locks on this component
* when performing tree and layout functions.
*
* @return The synchronization lock for this component.
*/
public final Object
getTreeLock()
{
return(tree_lock);
}
/*************************************************************************/
// The sync lock object for this component.
final void
setTreeLock(Object tree_lock)
{
this.tree_lock = tree_lock;
}
/*************************************************************************/
/**
* AWT 1.0 event dispatcher.
*
* @deprecated Deprecated in favor of <code>dispatchEvent()</code>.
*/
public boolean
postEvent(Event event)
{
return(false);
}
/*************************************************************************/
/**
* Sends this event to this component or a subcomponent for processing.
*
* @param event The event to dispatch
*/
public final void
dispatchEvent(AWTEvent event)
{
// See comment in Component.dispatchEvent().
dispatchEventImpl(event);
}
void
dispatchEventImpl(AWTEvent e)
{
// This is overridden by subclasses that support events.
}
/*************************************************************************/
/**
* Processes the specified event. In this class, this method simply
* calls one of the more specific event handlers.
*
* @param event The event to process.
*/
protected void
processEvent(AWTEvent event)
{
}
/*************************************************************************/
/**
* Returns a string representation of this component.
*
* @return A string representation of this component
*/
public String
toString()
{
return(getClass().getName() + "(" + getName() + ")");
}
/*************************************************************************/
/**
* Returns a debugging string for this component
*/
protected String
paramString()
{
return(toString());
}
// Accessibility API not yet implemented.
// public AccessibleContext getAccessibleContext()
} // class Component
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