1 /*******************************************************************************
2 * Copyright (c) 2000, 2016 IBM Corporation and others.
4 * This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License 2.0
6 * which accompanies this distribution, and is available at
7 * https://www.eclipse.org/legal/epl-2.0/
9 * SPDX-License-Identifier: EPL-2.0
12 * IBM Corporation - initial API and implementation
13 *******************************************************************************/
14 package org.eclipse.swt.custom;
17 import org.eclipse.swt.internal.*;
19 * This listener is invoked when an object needs to be drawn.
24 public interface PaintObjectListener extends SWTEventListener {
26 * This method is called when an object needs to be drawn.
29 * The following event fields are used:<ul>
30 * <li>event.x the x location (input)</li>
31 * <li>event.y the y location (input)</li>
32 * <li>event.ascent the line ascent (input)</li>
33 * <li>event.descent the line descent (input)</li>
34 * <li>event.gc the gc (input)</li>
35 * <li>event.style the style (input)</li>
38 * @param event the event
40 * @see PaintObjectEvent
41 * @see StyledText#addPaintObjectListener(PaintObjectListener)
43 public void paintObject(PaintObjectEvent event);