| /******************************************************************************* |
| * Copyright (c) 2000, 2004 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, view port listeners are informed about changes |
| * of a text viewer's view port. 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 view port changes. The given vertical position is the new |
| * vertical scrolling offset measured in pixels. |
| * |
| * @param verticalOffset the vertical offset measured in pixels |
| */ |
| void viewportChanged(int verticalOffset); |
| } |