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/*******************************************************************************
* Copyright (c) 2000, 2007 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.graphics.GC;
import org.eclipse.swt.widgets.Control;
/*
* This class is supplied so that the StyledText code that supports bidi text (supported
* for win platforms) is not platform dependent. Bidi text is not implemented on
* emulated platforms.
*/
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(int /*long*/ 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(int /*long*/ hwnd) {
}
public static void removeLanguageListener (Control control) {
}
/*
* Not implemented.
*/
public static void setKeyboardLanguage(int language) {
}
/*
* Not implemented.
*/
public static boolean setOrientation(int /*long*/ hwnd, int orientation) {
return false;
}
public static boolean setOrientation (Control control, int orientation) {
return false;
}
}
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