| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.text; |
| |
| |
| |
| /** |
| * Registered with a text viewer, viewport listeners are |
| * informed about changes of a text viewer's viewport. The view port is that |
| * portion of the viewer's document which is visible in the viewer. <p> |
| * Clients may implement this interface. |
| * |
| * @see org.eclipse.jface.text.ITextViewer |
| */ |
| public interface IViewportListener { |
| |
| /** |
| * Informs about viewport changes. The given vertical position |
| * is the new vertical scrolling offset measured in pixels. |
| * |
| * @param verticalOffset the vertical offset |
| */ |
| void viewportChanged(int verticalOffset); |
| } |