restore HEAD after accidental deletion by error in automated build script

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diff --git a/bundles/org.eclipse.swt/Eclipse SWT AWT/gtk/org/eclipse/swt/awt/SWT_AWT.java b/bundles/org.eclipse.swt/Eclipse SWT AWT/gtk/org/eclipse/swt/awt/SWT_AWT.java
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+++ b/bundles/org.eclipse.swt/Eclipse SWT AWT/gtk/org/eclipse/swt/awt/SWT_AWT.java
@@ -0,0 +1,333 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2008 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.swt.awt;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+
+/* SWT Imports */
+import org.eclipse.swt.*;
+import org.eclipse.swt.internal.*;
+import org.eclipse.swt.internal.gtk.*;
+import org.eclipse.swt.graphics.Device;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Listener;
+import org.eclipse.swt.widgets.Event;
+
+/* AWT Imports */
+import java.awt.AWTEvent;
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.Canvas;
+import java.awt.Frame;
+import java.awt.Window;
+import java.awt.event.AWTEventListener;
+import java.awt.event.ComponentAdapter;
+import java.awt.event.ComponentEvent;
+import java.awt.event.ComponentListener;
+import java.awt.event.WindowEvent;
+
+
+/**
+ * This class provides a bridge between SWT and AWT, so that it
+ * is possible to embed AWT components in SWT and vice versa.
+ *
+ * @see <a href="http://www.eclipse.org/swt/snippets/#awt">Swing/AWT snippets</a>
+ * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
+ * 
+ * @since 3.0
+ */
+public class SWT_AWT {
+
+	/**
+	 * The name of the embedded Frame class. The default class name
+	 * for the platform will be used if <code>null</code>. 
+	 */
+	public static String embeddedFrameClass;
+
+	/**
+	 * Key for looking up the embedded frame for a Composite using
+	 * getData(). 
+	 */
+	static String EMBEDDED_FRAME_KEY = "org.eclipse.swt.awt.SWT_AWT.embeddedFrame";
+
+static boolean loaded, swingInitialized;
+
+static native final int /*long*/ getAWTHandle (Object canvas);
+static native final void setDebug (Frame canvas, boolean debug);
+
+static synchronized void loadLibrary () {
+	if (loaded) return;
+	loaded = true;
+	/*
+	* Note that the jawt library is loaded explicitly
+	* because it cannot be found by the library loader.
+	* All exceptions are caught because the library may
+	* have been loaded already.
+	*/
+	try {
+		System.loadLibrary("jawt");
+	} catch (Throwable e) {}
+	Library.loadLibrary("swt-awt");
+}
+
+static synchronized void initializeSwing() {
+	if (swingInitialized) return;
+	swingInitialized = true;
+	/*
+	* Feature in GTK.  The default X error handler
+	* for GTK calls exit() after printing the X error.
+	* Normally, this isn't that big a problem for SWT
+	* applications because they don't cause X errors.
+	* However, sometimes X errors are generated by AWT
+	* that make SWT exit.  The fix is to hide all X
+	* errors when AWT is running.
+	*/
+	OS.gdk_error_trap_push();
+	try {
+		/* Initialize the default focus traversal policy */
+		Class[] emptyClass = new Class[0];
+		Object[] emptyObject = new Object[0];
+		Class clazz = Class.forName("javax.swing.UIManager");
+		Method method = clazz.getMethod("getDefaults", emptyClass);
+		if (method != null) method.invoke(clazz, emptyObject);
+	} catch (Throwable e) {}
+}
+
+/**
+ * Returns a <code>java.awt.Frame</code> which is the embedded frame
+ * associated with the specified composite.
+ * 
+ * @param parent the parent <code>Composite</code> of the <code>java.awt.Frame</code>
+ * @return a <code>java.awt.Frame</code> the embedded frame or <code>null</code>.
+ * 
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
+ * </ul>
+ * 
+ * @since 3.2
+ */
+public static Frame getFrame (Composite parent) {
+	if (parent == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
+	if ((parent.getStyle () & SWT.EMBEDDED) == 0) return null;
+	return (Frame)parent.getData(EMBEDDED_FRAME_KEY);
+}
+
+/**
+ * Creates a new <code>java.awt.Frame</code>. This frame is the root for
+ * the AWT components that will be embedded within the composite. In order
+ * for the embedding to succeed, the composite must have been created
+ * with the SWT.EMBEDDED style.
+ * <p>
+ * IMPORTANT: As of JDK1.5, the embedded frame does not receive mouse events.
+ * When a lightweight component is added as a child of the embedded frame,
+ * the cursor does not change. In order to work around both these problems, it is
+ * strongly recommended that a heavyweight component such as <code>java.awt.Panel</code>
+ * be added to the frame as the root of all components.
+ * </p>
+ * 
+ * @param parent the parent <code>Composite</code> of the new <code>java.awt.Frame</code>
+ * @return a <code>java.awt.Frame</code> to be the parent of the embedded AWT components
+ * 
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
+ *    <li>ERROR_INVALID_ARGUMENT - if the parent Composite does not have the SWT.EMBEDDED style</li> 
+ * </ul>
+ * 
+ * @since 3.0
+ */
+public static Frame new_Frame (final Composite parent) {
+	if (parent == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
+	if ((parent.getStyle () & SWT.EMBEDDED) == 0) {
+		SWT.error (SWT.ERROR_INVALID_ARGUMENT);
+	}
+	int /*long*/ handle = parent.embeddedHandle;
+	/*
+	 * Some JREs have implemented the embedded frame constructor to take an integer
+	 * and other JREs take a long.  To handle this binary incompatibility, use
+	 * reflection to create the embedded frame.
+	 */
+	Class clazz = null;
+	try {
+		String className = embeddedFrameClass != null ? embeddedFrameClass : "sun.awt.X11.XEmbeddedFrame";
+		clazz = Class.forName(className);
+	} catch (Throwable e) {
+		SWT.error (SWT.ERROR_NOT_IMPLEMENTED, e, " [need JDK 1.5 or greater]");		
+	}
+	initializeSwing ();
+	Object value = null;
+	Constructor constructor = null;
+	try {
+		constructor = clazz.getConstructor (new Class [] {int.class, boolean.class});
+		value = constructor.newInstance (new Object [] {new Integer ((int)/*64*/handle), Boolean.TRUE});
+	} catch (Throwable e1) {
+		try {
+			constructor = clazz.getConstructor (new Class [] {long.class, boolean.class});
+			value = constructor.newInstance (new Object [] {new Long (handle), Boolean.TRUE});
+		} catch (Throwable e2) {
+			SWT.error (SWT.ERROR_NOT_IMPLEMENTED, e2);
+		}
+	}
+	final Frame frame = (Frame) value;
+	parent.setData(EMBEDDED_FRAME_KEY, frame);
+	if (Device.DEBUG) {
+		loadLibrary();
+		setDebug(frame, true);
+	}
+	try {
+		/* Call registerListeners() to make XEmbed focus traversal work */
+		Method method = clazz.getMethod("registerListeners", null);
+		if (method != null) method.invoke(value, null);
+	} catch (Throwable e) {}
+	final AWTEventListener awtListener = new AWTEventListener() {
+		public void eventDispatched(AWTEvent event) {
+			if (event.getID() == WindowEvent.WINDOW_OPENED) {
+				final Window window = (Window) event.getSource();
+				if (window.getParent() == frame) {
+					parent.getDisplay().asyncExec(new Runnable() {
+						public void run() {
+							if (parent.isDisposed()) return;
+							Shell shell = parent.getShell();
+							loadLibrary();
+							int /*long*/ awtHandle = getAWTHandle(window);
+							if (awtHandle == 0) return;
+							int /*long*/ xWindow = OS.gdk_x11_drawable_get_xid(OS.GTK_WIDGET_WINDOW(OS.gtk_widget_get_toplevel(shell.handle)));
+							OS.XSetTransientForHint(OS.GDK_DISPLAY(), awtHandle, xWindow);
+						}
+					});
+				}
+			}
+		}
+	};
+	frame.getToolkit().addAWTEventListener(awtListener, AWTEvent.WINDOW_EVENT_MASK);
+	final Listener shellListener = new Listener () {
+		public void handleEvent (Event e) {
+			switch (e.type) {
+				case SWT.Deiconify:
+					EventQueue.invokeLater(new Runnable () {
+						public void run () {
+							frame.dispatchEvent (new WindowEvent (frame, WindowEvent.WINDOW_DEICONIFIED));
+						}
+					});
+					break;
+				case SWT.Iconify:
+					EventQueue.invokeLater(new Runnable () {
+						public void run () {
+							frame.dispatchEvent (new WindowEvent (frame, WindowEvent.WINDOW_ICONIFIED));
+						}
+					});
+					break;
+			}
+		}
+	};
+	Shell shell = parent.getShell ();
+	shell.addListener (SWT.Deiconify, shellListener);
+	shell.addListener (SWT.Iconify, shellListener);
+	
+	Listener listener = new Listener () {
+		public void handleEvent (Event e) {
+			switch (e.type) {
+				case SWT.Dispose:
+					Shell shell = parent.getShell ();
+					shell.removeListener (SWT.Deiconify, shellListener);
+					shell.removeListener (SWT.Iconify, shellListener);
+					parent.setVisible(false);
+					EventQueue.invokeLater(new Runnable () {
+						public void run () {
+							frame.getToolkit().removeAWTEventListener(awtListener);
+							frame.dispose ();
+						}
+					});
+					break;
+				case SWT.Resize:
+					if (Library.JAVA_VERSION >= Library.JAVA_VERSION(1, 6, 0)) {
+						final Rectangle clientArea = parent.getClientArea();
+						EventQueue.invokeLater(new Runnable () {
+							public void run () {
+								frame.setSize (clientArea.width, clientArea.height);
+							}
+						});
+					}
+					break;
+			}
+		}
+	};
+	parent.addListener (SWT.Dispose, listener);
+	parent.addListener (SWT.Resize, listener);
+	
+	parent.getDisplay().asyncExec(new Runnable() {
+		public void run () {
+			if (parent.isDisposed()) return;
+			final Rectangle clientArea = parent.getClientArea();
+			EventQueue.invokeLater(new Runnable () {
+				public void run () {
+					frame.setSize (clientArea.width, clientArea.height);
+					frame.validate ();
+				}
+			});
+		}
+	});
+	return frame;
+}
+
+/**
+ * Creates a new <code>Shell</code>. This Shell is the root for
+ * the SWT widgets that will be embedded within the AWT canvas. 
+ * 
+ * @param display the display for the new Shell
+ * @param parent the parent <code>java.awt.Canvas</code> of the new Shell
+ * @return a <code>Shell</code> to be the parent of the embedded SWT widgets
+ * 
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the display is null</li>
+ *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
+ *    <li>ERROR_INVALID_ARGUMENT - if the parent's peer is not created</li>
+ * </ul>
+ * 
+ * @since 3.0
+ */
+public static Shell new_Shell (final Display display, final Canvas parent) {
+	if (display == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
+	if (parent == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
+	int /*long*/ handle = 0;
+	try {
+		loadLibrary ();
+		handle = getAWTHandle (parent);
+	} catch (Throwable e) {
+		SWT.error (SWT.ERROR_NOT_IMPLEMENTED, e);
+	}
+	if (handle == 0) SWT.error (SWT.ERROR_INVALID_ARGUMENT, null, " [peer not created]");
+
+	final Shell shell = Shell.gtk_new (display, handle);
+	final ComponentListener listener = new ComponentAdapter () {
+		public void componentResized (ComponentEvent e) {
+			display.syncExec (new Runnable () {
+				public void run () {
+					if (shell.isDisposed()) return;
+					Dimension dim = parent.getSize ();
+					shell.setSize (dim.width, dim.height);
+				}
+			});
+		}
+	};
+	parent.addComponentListener(listener);
+	shell.addListener(SWT.Dispose, new Listener() {
+		public void handleEvent(Event event) {
+			parent.removeComponentListener(listener);
+		}
+	});
+	shell.setVisible (true);
+	return shell;
+}
+}