code: /*******************************************************************************
   * Copyright (c) 2000, 2006 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.omnetpp.common.swt.custom;
  
  
  import org.eclipse.swt.internal.SWTEventListener;
  
  /**
   * This listener is invoked when an object needs to be drawn.
   *
   * @since 3.2
   */
  @SuppressWarnings("restriction")
  public interface PaintObjectListener extends SWTEventListener {
  /**
   * This method is called when an object needs to be drawn.
   *
   * <p>
   * The following event fields are used:<ul>
   * <li>event.x the x location (input)</li>
   * <li>event.y the y location (input)</li>
   * <li>event.ascent the line ascent (input)</li>
   * <li>event.descent the line descent (input)</li>
   * <li>event.gc the gc (input)</li>
   * <li>event.style the style (input)</li>
   * </ul>
   *
   * @param event the event
   *
   * @see PaintObjectEvent
   * @see StyledText#addPaintObjectListener(PaintObjectListener)
   */
  public void paintObject(PaintObjectEvent event);
  }
  