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The osx x86_64 swt jar as available in the Eclipse 4.6 (Neon) release for OSX. It is suitable for use with jface and other dependencies available from maven central in the org.eclipse.scout.sdk.deps group. The sources is copied from swt-4.6-cocoa-macosx-x86_64.zip from http://download.eclipse.org/eclipse/downloads/drops4/R-4.6-201606061100/ and javadoc is generated from sources.
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/*******************************************************************************
 * Copyright (c) 2000, 2016 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.custom;

import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.events.*;

/**
 * A control for showing progress feedback for a long running operation.
 *
 * @deprecated As of Eclipse 2.1, use ProgressBar with the style SWT.INDETERMINATE
 *
 * 
 * Styles:
VERTICAL, HORIZONTAL, BORDER
 * 
 *
 * @see Sample code and further information
 */
@Deprecated
public class AnimatedProgress extends Canvas {

	static final int SLEEP = 70;
	static final int DEFAULT_WIDTH = 160;
	static final int DEFAULT_HEIGHT = 18;
	boolean active = false;
	boolean showStripes = false;
	int value;
	int orientation = SWT.HORIZONTAL;
	boolean showBorder = false;

/**
 * Constructs a new instance of this class given its parent
 * and a style value describing its behavior and appearance.
 * 
 * The style value is either one of the style constants defined in
 * class SWT which is applicable to instances of this
 * class, or must be built by bitwise OR'ing together
 * (that is, using the int "|" operator) two or more
 * of those SWT style constants. The class description
 * lists the style constants that are applicable to the class.
 * Style bits are also inherited from superclasses.
 * 
 *
 * @param parent a widget which will be the parent of the new instance (cannot be null)
 * @param style the style of widget to construct
 *
 * @exception IllegalArgumentException 
 *    ERROR_NULL_ARGUMENT - if the parent is null
 * 
 * @exception SWTException 
 *    ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
 * 
 *
 * @see SWT#VERTICAL
 * @see SWT#HORIZONTAL
 * @see SWT#BORDER
 * @see #getStyle()
 */
public AnimatedProgress(Composite parent, int style) {
	super(parent, checkStyle(style));

	if ((style & SWT.VERTICAL) != 0) {
		orientation = SWT.VERTICAL;
	}
	showBorder = (style & SWT.BORDER) != 0;

	addControlListener(new ControlAdapter() {
		@Override
		public void controlResized(ControlEvent e) {
			redraw();
		}
	});
	addPaintListener(new PaintListener() {
		@Override
		public void paintControl(PaintEvent e) {
			paint(e);
		}
	});
	addDisposeListener(new DisposeListener() {
		@Override
		public void widgetDisposed(DisposeEvent e){
			stop();
		}
	});
}
private static int checkStyle (int style) {
	int mask = SWT.NONE;
	return style & mask;
}
/**
 * Stop the animation if it is not already stopped and
 * reset the presentation to a blank appearance.
 *
 * @exception SWTException 
 *    ERROR_WIDGET_DISPOSED - if the receiver has been disposed
 *    ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 * 
 */
public synchronized void clear(){
	checkWidget();
	if (active) stop();
	showStripes = false;
	redraw();
}
@Override
public Point computeSize(int wHint, int hHint, boolean changed) {
	checkWidget();
	Point size = null;
	if (orientation == SWT.HORIZONTAL) {
		size = new Point(DEFAULT_WIDTH, DEFAULT_HEIGHT);
	} else {
		size = new Point(DEFAULT_HEIGHT, DEFAULT_WIDTH);
	}
	if (wHint != SWT.DEFAULT) size.x = wHint;
	if (hHint != SWT.DEFAULT) size.y = hHint;

	return size;
}
private void drawBevelRect(GC gc, int x, int y, int w, int h, Color topleft, Color bottomright) {
	gc.setForeground(topleft);
	gc.drawLine(x, y, x+w-1, y);
	gc.drawLine(x, y, x, y+h-1);

	gc.setForeground(bottomright);
	gc.drawLine(x+w, y, x+w, y+h);
	gc.drawLine(x, y+h, x+w, y+h);
}
void paint(PaintEvent event) {
	GC gc = event.gc;
	Display disp= getDisplay();

	Rectangle rect= getClientArea();
	gc.fillRectangle(rect);
	if (showBorder) {
		drawBevelRect(gc, rect.x, rect.y, rect.width-1, rect.height-1,
			disp.getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW),
			disp.getSystemColor(SWT.COLOR_WIDGET_HIGHLIGHT_SHADOW));
	}

	paintStripes(gc);
}
void paintStripes(GC gc) {

	if (!showStripes) return;

	Rectangle rect= getClientArea();
	// Subtracted border painted by paint.
	rect = new Rectangle(rect.x+2, rect.y+2, rect.width-4, rect.height-4);

	gc.setLineWidth(2);
	gc.setClipping(rect);
	Color color = getDisplay().getSystemColor(SWT.COLOR_LIST_SELECTION);
	gc.setBackground(color);
	gc.fillRectangle(rect);
	gc.setForeground(this.getBackground());
	int step = 12;
	int foregroundValue = value == 0 ? step - 2 : value - 2;
	if (orientation == SWT.HORIZONTAL) {
		int y = rect.y - 1;
		int w = rect.width;
		int h = rect.height + 2;
		for (int i= 0; i < w; i+= step) {
			int x = i + foregroundValue;
			gc.drawLine(x, y, x, h);
		}
	} else {
		int x = rect.x - 1;
		int w = rect.width + 2;
		int h = rect.height;

		for (int i= 0; i < h; i+= step) {
			int y = i + foregroundValue;
			gc.drawLine(x, y, w, y);
		}
	}

	if (active) {
		value = (value + 2) % step;
	}
}
/**
* Start the animation.
*
* @exception SWTException 
*    ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*    ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* 
*/
public synchronized void start() {
	checkWidget();
	if (active) return;

	active = true;
	showStripes = true;

	final Display display = getDisplay();
	final Runnable [] timer = new Runnable [1];
	timer [0] = new Runnable () {
		@Override
		public void run () {
			if (!active) return;
			GC gc = new GC(AnimatedProgress.this);
			paintStripes(gc);
			gc.dispose();
			display.timerExec (SLEEP, timer [0]);
		}
	};
	display.timerExec (SLEEP, timer [0]);
}
/**
* Stop the animation.   Freeze the presentation at its current appearance.
*/
public synchronized void stop() {
	//checkWidget();
	active = false;
}
}