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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, 2015 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.internal;

import org.eclipse.swt.*;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.widgets.Control;

/*
 * Wraps Win32 API used to bidi enable widgets. Up to 3.104 was used by
 * StyledText widget exclusively. 3.105 release introduced the method
 * #resolveTextDirection, which is used by other widgets as well.
 */
public class BidiUtil {
	// Keyboard language types
	public static final int KEYBOARD_NON_BIDI = 0;
	public static final int KEYBOARD_BIDI = 1;

	// bidi rendering input flag constants, not used
	// on emulated platforms
	public static final int CLASSIN = 1;
	public static final int LINKBEFORE = 2;
	public static final int LINKAFTER = 4;

	// bidi rendering/ordering constants, not used on
	// emulated platforms
	public static final int CLASS_HEBREW = 2;
	public static final int CLASS_ARABIC = 2;
	public static final int CLASS_LOCALNUMBER = 4;
	public static final int CLASS_LATINNUMBER = 5;
	public static final int REORDER = 0;
	public static final int LIGATE = 0;
	public static final int GLYPHSHAPE = 0;

/*
 * Not implemented.
 */
public static void addLanguageListener(long /*int*/ hwnd, Runnable runnable) {
}
public static void addLanguageListener (Control control, Runnable runnable) {
}
/*
 * Not implemented.
 *
 */
public static void drawGlyphs(GC gc, char[] renderBuffer, int[] renderDx, int x, int y) {
}
/*
 * Bidi not supported on emulated platforms.
 *
 */
public static boolean isBidiPlatform() {
	return false;
}
/*
 * Not implemented.
 */
public static boolean isKeyboardBidi() {
	return false;
}
/*
 * Not implemented.
 */
public static int getFontBidiAttributes(GC gc) {
	return 0;
}
/*
 *  Not implemented.
 *
 */
public static void getOrderInfo(GC gc, String text, int[] order, byte[] classBuffer, int flags, int [] offsets) {
}
/*
 *  Not implemented. Returns null.
 *
 */
public static char[] getRenderInfo(GC gc, String text, int[] order, byte[] classBuffer, int[] dx, int flags, int[] offsets) {
	return null;
}
/*
 * Not implemented. Returns 0.
 */
public static int getKeyboardLanguage() {
	return 0;
}
/*
 * Not implemented.
 */
public static void removeLanguageListener(long /*int*/ hwnd) {
}
public static void removeLanguageListener (Control control) {
}
/*
 * Not implemented. Returns SWT.NONE.
 */
public static int resolveTextDirection (String text) {
	return SWT.NONE;
}
/*
 * Not implemented.
 */
public static void setKeyboardLanguage(int language) {
}
/*
 * Not implemented.
 */
public static boolean setOrientation(long /*int*/ hwnd, int orientation) {
	return false;
}
public static boolean setOrientation (Control control, int orientation) {
	return false;
}
}