Thread: [Jnode-svn-commits] SF.net SVN: jnode: [3826] trunk/core/src (Page 2)

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Revision: 3826
          http://jnode.svn.sourceforge.net/jnode/?rev=3826&view=rev
Author:   lsantha
Date:     2008-03-08 02:16:07 -0800 (Sat, 08 Mar 2008)

Log Message:
-----------
OpenJDK integration.

Modified Paths:
--------------
    trunk/core/src/classpath/java/java/awt/AWTEvent.java
    trunk/core/src/classpath/java/java/awt/ColorPaintContext.java
    trunk/core/src/classpath/java/java/awt/Component.java
    trunk/core/src/classpath/java/java/awt/Container.java
    trunk/core/src/classpath/java/java/awt/Dialog.java
    trunk/core/src/classpath/java/java/awt/Event.java
    trunk/core/src/classpath/java/java/awt/Font.java
    trunk/core/src/classpath/java/java/awt/KeyboardFocusManager.java

Added Paths:
-----------
    trunk/core/src/openjdk/java/java/awt/AttributeValue.java
    trunk/core/src/openjdk/java/java/awt/Button.java
    trunk/core/src/openjdk/java/java/awt/Canvas.java
    trunk/core/src/openjdk/java/java/awt/Checkbox.java
    trunk/core/src/openjdk/java/java/awt/Choice.java
    trunk/core/src/openjdk/java/java/awt/Color.java
    trunk/core/src/openjdk/java/java/awt/FileDialog.java
    trunk/core/src/openjdk/java/java/awt/FontMetrics.java
    trunk/core/src/openjdk/java/java/awt/GraphicsConfiguration.java
    trunk/core/src/openjdk/java/java/awt/GraphicsDevice.java
    trunk/core/src/openjdk/java/java/awt/GraphicsEnvironment.java
    trunk/core/src/openjdk/java/java/awt/Label.java
    trunk/core/src/openjdk/java/java/awt/List.java
    trunk/core/src/openjdk/java/java/awt/MediaTracker.java
    trunk/core/src/openjdk/java/java/awt/Panel.java
    trunk/core/src/openjdk/java/java/awt/ScrollPane.java
    trunk/core/src/openjdk/java/java/awt/Scrollbar.java
    trunk/core/src/openjdk/java/java/awt/SystemColor.java
    trunk/core/src/openjdk/java/java/awt/TextArea.java
    trunk/core/src/openjdk/java/java/awt/TextComponent.java
    trunk/core/src/openjdk/java/java/awt/TextField.java
    trunk/core/src/openjdk/java/java/awt/package.html
    trunk/core/src/openjdk/sun/sun/awt/ScrollPaneWheelScroller.java
    trunk/core/src/openjdk/sun/sun/awt/SubRegionShowable.java
    trunk/core/src/openjdk/vm/java/awt/NativeButton.java
    trunk/core/src/openjdk/vm/java/awt/NativeCheckbox.java
    trunk/core/src/openjdk/vm/java/awt/NativeColor.java
    trunk/core/src/openjdk/vm/java/awt/NativeFileDialog.java
    trunk/core/src/openjdk/vm/java/awt/NativeFontMetrics.java
    trunk/core/src/openjdk/vm/java/awt/NativeLabel.java
    trunk/core/src/openjdk/vm/java/awt/NativeScrollPane.java
    trunk/core/src/openjdk/vm/java/awt/NativeScrollbar.java
    trunk/core/src/openjdk/vm/java/awt/NativeTextArea.java
    trunk/core/src/openjdk/vm/java/awt/NativeTextField.java

Removed Paths:
-------------
    trunk/core/src/classpath/java/java/awt/AttributeValue.java
    trunk/core/src/classpath/java/java/awt/Button.java
    trunk/core/src/classpath/java/java/awt/Canvas.java
    trunk/core/src/classpath/java/java/awt/Checkbox.java
    trunk/core/src/classpath/java/java/awt/Choice.java
    trunk/core/src/classpath/java/java/awt/Color.java
    trunk/core/src/classpath/java/java/awt/FileDialog.java
    trunk/core/src/classpath/java/java/awt/FontMetrics.java
    trunk/core/src/classpath/java/java/awt/GraphicsConfiguration.java
    trunk/core/src/classpath/java/java/awt/GraphicsDevice.java
    trunk/core/src/classpath/java/java/awt/GraphicsEnvironment.java
    trunk/core/src/classpath/java/java/awt/Label.java
    trunk/core/src/classpath/java/java/awt/List.java
    trunk/core/src/classpath/java/java/awt/MediaTracker.java
    trunk/core/src/classpath/java/java/awt/Panel.java
    trunk/core/src/classpath/java/java/awt/ScrollPane.java
    trunk/core/src/classpath/java/java/awt/Scrollbar.java
    trunk/core/src/classpath/java/java/awt/SystemColor.java
    trunk/core/src/classpath/java/java/awt/TextArea.java
    trunk/core/src/classpath/java/java/awt/TextComponent.java
    trunk/core/src/classpath/java/java/awt/TextField.java
    trunk/core/src/classpath/java/java/awt/package.html

Modified: trunk/core/src/classpath/java/java/awt/AWTEvent.java
===================================================================

--- trunk/core/src/classpath/java/java/awt/AWTEvent.java	2008-03-05 16:35:46 UTC (rev 3825)
+++ trunk/core/src/classpath/java/java/awt/AWTEvent.java	2008-03-08 10:16:07 UTC (rev 3826)
@@ -41,6 +41,7 @@
 
 import java.awt.event.*;
 import java.util.EventObject;
+import java.lang.reflect.Field;
 
 /**
  * AWTEvent is the root event class for all AWT events in the JDK 1.1 event 
@@ -64,6 +65,8 @@
    */
   private static final long serialVersionUID = -1825314779160409405L;
 
+    transient boolean focusManagerIsDispatching = false;
+    transient boolean isPosted;
   /**
    * The ID of the event.
    *
@@ -512,5 +515,56 @@
         }
         return null;
     }
+    /**
+     * The pseudo event mask for enabling input methods.
+     * We're using one bit in the eventMask so we don't need
+     * a separate field inputMethodsEnabled.
+     */
+    final static long INPUT_METHODS_ENABLED_MASK = 0x1000;
 
+    /**
+     * Copies all private data from this event into that.
+     * Space is allocated for the copied data that will be
+     * freed when the that is finalized. Upon completion,
+     * this event is not changed.
+     */
+    void copyPrivateDataInto(AWTEvent that) {
+	that.bdata = this.bdata;
+        // Copy canAccessSystemClipboard value from this into that.
+        if (this instanceof InputEvent && that instanceof InputEvent) {
+            Field field = get_InputEvent_CanAccessSystemClipboard();
+            if (field != null) {
+                try {
+                    boolean b = field.getBoolean(this);
+                    field.setBoolean(that, b);
+                } catch(IllegalAccessException e) {
+                }
+            }
+        }
+    }
+
+    private static synchronized Field get_InputEvent_CanAccessSystemClipboard() {
+        if (inputEvent_CanAccessSystemClipboard_Field == null) {
+            inputEvent_CanAccessSystemClipboard_Field =
+                (Field)java.security.AccessController.doPrivileged(
+                    new java.security.PrivilegedAction() {
+                            public Object run() {
+                                Field field = null;
+                                try {
+                                    field = InputEvent.class.
+                                        getDeclaredField("canAccessSystemClipboard");
+                                    field.setAccessible(true);
+                                    return field;
+                                } catch (SecurityException e) {
+                                } catch (NoSuchFieldException e) {
+                                }
+                                return null;
+                            }
+                        });
+        }
+
+        return inputEvent_CanAccessSystemClipboard_Field;
+    }
+    // security stuff
+    private static Field inputEvent_CanAccessSystemClipboard_Field = null;
 } // class AWTEvent

Deleted: trunk/core/src/classpath/java/java/awt/AttributeValue.java
===================================================================
--- trunk/core/src/classpath/java/java/awt/AttributeValue.java	2008-03-05 16:35:46 UTC (rev 3825)
+++ trunk/core/src/classpath/java/java/awt/AttributeValue.java	2008-03-08 10:16:07 UTC (rev 3826)
@@ -1,98 +0,0 @@
-/* AttributeValue.java -- parent of type-safe enums of attributes
-   Copyright (C) 2002, 2005  Free Software Foundation, Inc.
-
-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., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library.  Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module.  An independent module is a module which is not derived from
-or based on this library.  If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so.  If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.awt;
-
-/**
- * This class is undocumented by Sun, but it is the parent of several other
- * classes, all of which are type-safe enumerations. This takes care of
- * <code>equals</code>, <code>toString</code>, and <code>hashCode</code>, so
- * that you don't have to (although hashCode is commonly overridden).
- *
- * @author Eric Blake (eb...@em...)
- */
-class AttributeValue
-{
-  /** The value of the enumeration. Package visible for speed. */
-  final int value;
-
-  /** The list of enumeration names for the given subclass. */
-  private final String[] names;
-
-  /**
-   * Construct a type-safe enumeration element. For example,<br>
-   * <pre>
-   * class Foo extends AttributeValue
-   * {
-   *   private static final String[] names = { "one", "two" }
-   *   public static final Foo ONE = new Foo(0);
-   *   public static final Foo TWO = new Foo(1);
-   *   private Foo(int value) { super(value, names); }
-   * }
-   * </pre>
-   *
-   * @param value the position of this enumeration element, consecutive from 0
-   * @param names the constant list of enumeration names for the subclass
-   */
-  AttributeValue(int value, String[] names)
-  {
-    this.value = value;
-    this.names = names;
-  }
-
-  /**
-   * Returns the hashcode of this element. This is the index of the element
-   * in the enumeration. Note that equals defaults to the == relation.
-   *
-   * @return the hashcode
-   */
-  public int hashCode()
-  {
-    return value;
-  }
-
-  /**
-   * Returns the name of this enumeration element.
-   *
-   * @return the element name
-   */
-  public String toString()
-  {
-    return names[value];
-  }
-} // class AttributeValue

Deleted: trunk/core/src/classpath/java/java/awt/Button.java
===================================================================
--- trunk/core/src/classpath/java/java/awt/Button.java	2008-03-05 16:35:46 UTC (rev 3825)
+++ trunk/core/src/classpath/java/java/awt/Button.java	2008-03-08 10:16:07 UTC (rev 3826)
@@ -1,468 +0,0 @@
-/* Button.java -- AWT button widget
-   Copyright (C) 1999, 2002, 2004, 2005  Free Software Foundation, Inc.
-
-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., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library.  Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module.  An independent module is a module which is not derived from
-or based on this library.  If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so.  If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.awt;
-
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.peer.ButtonPeer;
-import java.lang.reflect.Array;
-import java.util.EventListener;
-
-import javax.accessibility.Accessible;
-import javax.accessibility.AccessibleAction;
-import javax.accessibility.AccessibleContext;
-import javax.accessibility.AccessibleRole;
-import javax.accessibility.AccessibleValue;
-
-/**
-  * This class provides a button widget for the AWT. 
-  *
-  * @author Aaron M. Renn (ar...@ur...)
-  * @author Tom Tromey (tr...@cy...)
-  */
-public class Button extends Component
-  implements java.io.Serializable, Accessible
-{
-
-/*
-	 * 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.
-  * This is package-private to avoid an accessor method.
-	  */
-String actionCommand;
-
-/**
-	  * @serial The label for this button.
-  * This is package-private to avoid an accessor method.
-	  */
-String label;
-
-// List of ActionListeners for this class.
-private transient ActionListener action_listeners;
-
-  /*
-   * The number used to generate the name returned by getName.
-   */
-  private static transient long next_button_number;
-
-  protected class AccessibleAWTButton extends AccessibleAWTComponent
-    implements AccessibleAction, AccessibleValue
-  {
-    private static final long serialVersionUID = -5932203980244017102L;
-
-    protected AccessibleAWTButton()
-    {
-      // Do nothing here.
-    }
-
-    /* (non-Javadoc)
-     * @see javax.accessibility.AccessibleAction#getAccessibleActionCount()
-     */
-    public int getAccessibleActionCount()
-    {
-      // Only 1 action possible
-      return 1;
-    }
-
-    /* (non-Javadoc)
-     * @see javax.accessibility.AccessibleAction#getAccessibleActionDescription(int)
-     */
-    public String getAccessibleActionDescription(int i)
-    {
-      // JDK 1.4.2 returns the string "click" for action 0.  However, the API
-      // docs don't say what the string to be returned is, beyond being a
-      // description of the action.  So we return the same thing for
-      // compatibility with 1.4.2.
-      if (i == 0)
-        return "click";
-      return null;
-    }
-
-    /* (non-Javadoc)
-     * @see javax.accessibility.AccessibleAction#doAccessibleAction(int)
-     */
-    public boolean doAccessibleAction(int i)
-    {
-      if (i != 0)
-        return false;
-      processActionEvent(new ActionEvent(this, ActionEvent.ACTION_PERFORMED, actionCommand));
-      return true;
-    }
-    
-    public String getAccessibleName()
-    {
-      return label;
-    }
-    
-    public AccessibleAction getAccessibleAction()
-    {
-      return this;
-    }
-    
-    public AccessibleValue getAccessibleValue()
-    {
-      return this;
-    }
-
-    /* (non-Javadoc)
-     * @see javax.accessibility.AccessibleValue#getCurrentAccessibleValue()
-     */
-    public Number getCurrentAccessibleValue()
-    {
-      // Docs say return 1 if selected, but buttons can't be selected, right?
-      return new Integer(0);
-    }
-
-    /* (non-Javadoc)
-     * @see javax.accessibility.AccessibleValue#setCurrentAccessibleValue(java.lang.Number)
-     */
-    public boolean setCurrentAccessibleValue(Number number)
-    {
-      // Since there's no selection with buttons, we're ignoring this.
-      // TODO someone who knows shoulw check this.
-      return false;
-    }
-
-    /* (non-Javadoc)
-     * @see javax.accessibility.AccessibleValue#getMinimumAccessibleValue()
-     */
-    public Number getMinimumAccessibleValue()
-    {
-      return new Integer(0);
-    }
-
-    /* (non-Javadoc)
-     * @see javax.accessibility.AccessibleValue#getMaximumAccessibleValue()
-     */
-    public Number getMaximumAccessibleValue()
-    {
-      return new Integer(0);
-    }
-    
-    public AccessibleRole getAccessibleRole()
-    {
-      return AccessibleRole.PUSH_BUTTON;
-    }
-  }
-
-/*************************************************************************/
-
-/*
-	 * Constructors
-	 */
-
-/**
-	  * Initializes a new instance of <code>Button</code> with no label.
-	  *
-	  * @exception HeadlessException If GraphicsEnvironment.isHeadless()
-	  * returns true
-	  */
-public
-Button()
-{
-  this("");
-}
-
-/*************************************************************************/
-
-/**
-	  * 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.
-	  *
-	  * @exception HeadlessException If GraphicsEnvironment.isHeadless()
-	  * returns true
-	  */
-public
-Button(String label)
-{
-		this.label = label;
-		actionCommand = label;
-
-  if (GraphicsEnvironment.isHeadless ())
-    throw new HeadlessException ();
-}
-
-/*************************************************************************/
-
-/*
-	 * Instance Variables
-	 */
-
-/**
-	  * Returns the label for this button.
-	  *
-	  * @return The label for this button.
-	  */
-public String
-getLabel()
-{
-  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;
-  actionCommand = 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);
-}
-
-  /**
-   * Returns all added <code>ActionListener</code> objects.
-   *
-   * @return an array of listeners
-   *
-   * @since 1.4
-   */
-  public synchronized ActionListener[] getActionListeners()
-  {
-    return (ActionListener[])
-      AWTEventMulticaster.getListeners(action_listeners,
-                                       ActionListener.class);
-	}
-
-/**
- * Returns all registered EventListers of the given listenerType. 
-	 * listenerType must be a subclass of EventListener, or a 
-	 * ClassClassException is thrown.
-	 *
- * @param listenerType the listener type to return
- *
- * @return an array of listeners
- * 
-	 * @exception ClassCastException If listenerType doesn't specify a class or
-	 * interface that implements @see java.util.EventListener.
-	 *
-	 * @since 1.3 
-	 */
-  public <T extends EventListener> T[] getListeners(Class<T> listenerType)
-  {
-		if (listenerType == ActionListener.class)
-      return (T[]) getActionListeners();
-    return (T[]) Array.newInstance(listenerType, 0);
-	}
-
-/*************************************************************************/
-
-/**
-	  * 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)
-{
-  if (e.id <= ActionEvent.ACTION_LAST 
-      && e.id >= ActionEvent.ACTION_FIRST
-      && (action_listeners != null 
-	  || (eventMask & AWTEvent.ACTION_EVENT_MASK) != 0))
-			processEvent(e);
-		else
-			super.dispatchEventImpl(e);
-}
-
-/*************************************************************************/
-
-/**
-	  * Returns a debugging string for this button.
-	  *
-	  * @return A debugging string for this button.
-	  */
-protected String
-paramString()
-{
-  return getName () + "," + getX () + "," + getY () + ","
-    + getWidth () + "x" + getHeight () + ",label=" + getLabel ();
-}
-
-/**
- * Gets the AccessibleContext associated with this <code>Button</code>.
- * The context is created, if necessary.
- *
- * @return the associated context
- */
-public AccessibleContext getAccessibleContext()
-{
-  /* Create the context if this is the first request */
-  if (accessibleContext == null)
-    accessibleContext = new AccessibleAWTButton();
-  return accessibleContext;
-}
-
-  /**
-   * Generate a unique name for this button.
-   *
-   * @return A unique name for this button.
-   */
-  String generateName ()
-  {
-    return "button" + getUniqueLong ();
-  }
-
-  private static synchronized long getUniqueLong ()
-  {
-    return next_button_number++;
-  }
-
-} // class Button 
-

Deleted: trunk/core/src/classpath/java/java/awt/Canvas.java
===================================================================
--- trunk/core/src/classpath/java/java/awt/Canvas.java	2008-03-05 16:35:46 UTC (rev 3825)
+++ trunk/core/src/classpath/java/java/awt/Canvas.java	2008-03-08 10:16:07 UTC (rev 3826)
@@ -1,366 +0,0 @@
-/* Canvas.java --
-   Copyright (C) 1999, 2000, 2002, 2004  Free Software Foundation
-
-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., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library.  Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module.  An independent module is a module which is not derived from
-or based on this library.  If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so.  If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.awt;
-
-import java.awt.image.BufferStrategy;
-import java.awt.peer.ComponentPeer;
-import java.io.Serializable;
-
-import javax.accessibility.Accessible;
-import javax.accessibility.AccessibleContext;
-import javax.accessibility.AccessibleRole;
-
-/**
- * The <code>Canvas</code> component provides a blank rectangular
- * area, which the client application can use for drawing and for
- * capturing events.  By overriding the <code>paint()</code> method,
- * the canvas can be used for anything from simple line drawings to
- * full-scale custom components.
- *
- * @author Original author unknown
- * @author Tom Tromey  (tr...@re...)
- * @author Andrew John Hughes  (gnu...@me...)
- * @since 1.0
- */
-
-public class Canvas
-  extends Component
-  implements Serializable, Accessible
-{
-
-  /**
-   * Compatible with Sun's JDK.
-   */
-  private static final long serialVersionUID = -2284879212465893870L;
-
-  /**
-   * The number used to generate the name returned by getName.
-   */
-  private static transient long next_canvas_number;
-
-  /**
-   * The graphics configuration associated with the canvas.
-   */
-  transient GraphicsConfiguration graphicsConfiguration;
-
-  /**
-   * The buffer strategy associated with this canvas.
-   */
-  transient BufferStrategy bufferStrategy;
-
-  /**
-   * Initializes a new instance of <code>Canvas</code>.
-   */
-  public Canvas() 
-  { 
-  }
-
-  /**
-   * Initializes a new instance of <code>Canvas</code>
-   * with the supplied graphics configuration.
-   *
-   * @param graphicsConfiguration the graphics configuration to use
-   *        for this particular canvas.
-   */
-  public Canvas(GraphicsConfiguration graphicsConfiguration)
-  {
-    this.graphicsConfiguration = graphicsConfiguration;
-  }
-
-  GraphicsConfiguration getGraphicsConfigurationImpl()
-  {
-    if (graphicsConfiguration != null)
-      return graphicsConfiguration;
-    return super.getGraphicsConfigurationImpl();
-  }
-
-  /**
-   * Creates the native peer for this object.
-   */
-  public void addNotify()
-  {
-    if (peer == null)
-      peer = (ComponentPeer) getToolkit().createCanvas(this);
-    super.addNotify();
-  }
-
-  /**
-   * Repaints the canvas window.  This method should be overridden by 
-   * a subclass to do something useful, as this method simply paints
-   * the window with the background color.
-   *
-   * @param gfx the <code>Graphics</code> to use for painting
-   */
-  public void paint(Graphics gfx)
-  {
-    /* This implementation doesn't make much sense since the filling
-      of background color is guaranteed for heavyweight components
-      such as this.  But there's no need to worry, since paint() is
-      usually overridden anyway.  */
-    gfx.setColor(getBackground());
-    Dimension size = getSize();
-    gfx.fillRect(0, 0, size.width, size.height);
-  }
-
-  /**
-   * This class provides accessibility support for the canvas.
-   */
-  protected class AccessibleAWTCanvas
-    extends AccessibleAWTComponent
-  {
-    /**
-     * For compatability with Sun's JDK
-     */
-    private static final long serialVersionUID = -6325592262103146699L;
-
-    /**
-     * Constructor for the accessible canvas.
-     */
-    protected AccessibleAWTCanvas()
-    {
-    }
-
-    /**
-     * Returns the accessible role for the canvas.
-     *
-     * @return an instance of <code>AccessibleRole</code>, describing
-     *         the role of the canvas.
-     */
-    public AccessibleRole getAccessibleRole()
-    {
-      return AccessibleRole.CANVAS;
-    }
-    
-  }
-
-  /**
-   * Gets the AccessibleContext associated with this <code>Canvas</code>.
-   * The context is created, if necessary.
-   *
-   * @return the associated context
-   */
-  public AccessibleContext getAccessibleContext()
-  {
-    /* Create the context if this is the first request */
-    if (accessibleContext == null)
-        accessibleContext = new AccessibleAWTCanvas();
-    return accessibleContext;
-  }
-
-  /**
-   * A BltBufferStrategy for canvases.
-   */
-  private class CanvasBltBufferStrategy extends BltB...
 
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