| /******************************************************************************* |
| * Copyright (c) 2008, 2019 Angelo Zerr and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation |
| * IBM Corporation |
| *******************************************************************************/ |
| package org.eclipse.e4.ui.css.swt.engine; |
| |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.RegistryFactory; |
| import org.eclipse.e4.ui.css.core.impl.engine.RegistryCSSElementProvider; |
| import org.eclipse.e4.ui.css.core.impl.engine.RegistryCSSPropertyHandlerProvider; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.DisposeListener; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Widget; |
| |
| /** |
| * CSS SWT Engine implementation which configure CSSEngineImpl to apply styles |
| * to SWT widgets with static handler strategy. |
| */ |
| public class CSSSWTEngineImpl extends AbstractCSSSWTEngineImpl { |
| |
| private DisposeListener disposeListener; |
| |
| public CSSSWTEngineImpl(Display display) { |
| super(display); |
| init(); |
| } |
| |
| public CSSSWTEngineImpl(Display display, boolean lazyApplyingStyles) { |
| super(display, lazyApplyingStyles); |
| init(); |
| } |
| |
| private void init() { |
| disposeListener = e -> handleWidgetDisposed(e.widget); |
| } |
| |
| @Override |
| protected void hookNativeWidget(Object widget) { |
| if (widget instanceof Widget) { |
| Widget swtWidget = (Widget) widget; |
| swtWidget.addDisposeListener(disposeListener); |
| } |
| } |
| |
| @Override |
| protected void initializeCSSPropertyHandlers() { |
| propertyHandlerProviders.add(new RegistryCSSPropertyHandlerProvider(RegistryFactory.getRegistry())); |
| } |
| |
| @Override |
| protected void initializeCSSElementProvider() { |
| setElementProvider(new RegistryCSSElementProvider(RegistryFactory.getRegistry())); |
| } |
| |
| @Override |
| public void reapply() { |
| Shell[] shells = display.getShells(); |
| for (Shell s : shells) { |
| try { |
| s.setRedraw(false); |
| s.reskin(SWT.ALL); |
| applyStyles(s, true); |
| } catch (Exception e) { |
| Platform.getLog(getClass()).error(e.getMessage(), e); |
| } finally { |
| s.setRedraw(true); |
| } |
| } |
| } |
| |
| } |