| /******************************************************************************* |
| * Copyright (c) 2000, 2016 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.custom; |
| |
| import org.eclipse.swt.internal.*; |
| |
| /** |
| * Classes which implement this interface provide a method |
| * that can provide the background color for a line that |
| * is to be drawn. |
| * |
| * @see LineBackgroundEvent |
| * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| */ |
| @FunctionalInterface |
| public interface LineBackgroundListener extends SWTEventListener { |
| |
| /** |
| * This method is called when a line is about to be drawn in order to get its |
| * background color. |
| * <p> |
| * The following event fields are used:<ul> |
| * <li>event.lineOffset line start offset (input)</li> |
| * <li>event.lineText line text (input)</li> |
| * <li>event.lineBackground line background color (output)</li> |
| * </ul> |
| * |
| * @param event the given event |
| * @see LineBackgroundEvent |
| */ |
| public void lineGetBackground(LineBackgroundEvent event); |
| } |
