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/*******************************************************************************
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* Copyright (c) 2004, 2008 Tasktop Technologies and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Tasktop Technologies - initial API and implementation
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*******************************************************************************/
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package com.nokia.carbide.remoteconnections.internal.ui.mylyn;
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import java.lang.reflect.Field;
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import org.eclipse.jface.resource.FontRegistry;
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import org.eclipse.jface.resource.JFaceResources;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.graphics.Font;
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import org.eclipse.swt.graphics.FontData;
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import org.eclipse.swt.widgets.Display;
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/**
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* @author Mik Kersten
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* @since 3.0
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*/
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public class CommonFonts {
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public static Font BOLD;
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public static Font ITALIC;
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public static Font BOLD_ITALIC;
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public static Font STRIKETHROUGH = null;
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public static boolean HAS_STRIKETHROUGH;
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static {
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if (Display.getCurrent() != null) {
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init();
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} else {
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Display.getDefault().asyncExec(new Runnable() {
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public void run() {
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init();
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}
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});
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}
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}
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private static void init() {
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BOLD = JFaceResources.getFontRegistry().getBold(JFaceResources.DEFAULT_FONT);
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ITALIC = JFaceResources.getFontRegistry().getItalic(JFaceResources.DEFAULT_FONT);
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BOLD_ITALIC = new Font(Display.getCurrent(), getModifiedFontData(ITALIC.getFontData(), SWT.BOLD | SWT.ITALIC));
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Font defaultFont = JFaceResources.getFontRegistry().get(JFaceResources.DEFAULT_FONT);
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FontData[] defaultData = defaultFont.getFontData();
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if (defaultData != null && defaultData.length == 1) {
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FontData data = new FontData(defaultData[0].getName(), defaultData[0].getHeight(),
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defaultData[0].getStyle());
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if ("win32".equals(SWT.getPlatform())) { //$NON-NLS-1$
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// NOTE: Windows only, for: data.data.lfStrikeOut = 1;
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try {
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Field dataField = data.getClass().getDeclaredField("data"); //$NON-NLS-1$
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Object dataObject = dataField.get(data);
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Class<?> clazz = dataObject.getClass().getSuperclass();
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Field strikeOutFiled = clazz.getDeclaredField("lfStrikeOut"); //$NON-NLS-1$
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strikeOutFiled.set(dataObject, (byte) 1);
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CommonFonts.STRIKETHROUGH = new Font(Display.getCurrent(), data);
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} catch (Throwable t) {
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// ignore
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}
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}
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}
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if (CommonFonts.STRIKETHROUGH == null) {
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CommonFonts.HAS_STRIKETHROUGH = false;
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CommonFonts.STRIKETHROUGH = defaultFont;
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} else {
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CommonFonts.HAS_STRIKETHROUGH = true;
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}
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}
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/**
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* NOTE: disposal of JFaceResources fonts handled by registry.
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*/
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public static void dispose() {
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if (CommonFonts.STRIKETHROUGH != null && !CommonFonts.STRIKETHROUGH.isDisposed()) {
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CommonFonts.STRIKETHROUGH.dispose();
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CommonFonts.BOLD_ITALIC.dispose();
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}
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}
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/**
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* Copied from {@link FontRegistry}
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*/
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private static FontData[] getModifiedFontData(FontData[] baseData, int style) {
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FontData[] styleData = new FontData[baseData.length];
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for (int i = 0; i < styleData.length; i++) {
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FontData base = baseData[i];
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styleData[i] = new FontData(base.getName(), base.getHeight(), base.getStyle() | style);
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}
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return styleData;
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}
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}
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