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/*******************************************************************************
* 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;
import org.eclipse.swt.events.VerifyEvent;
/**
* Implementers can register with a text viewer and
* receive <code>VerifyEvent</code>s before the text viewer
* they are registered with. If the event consumer marks events
* as processed by turning their <code>doit</code> field to
* <code>false</code> the text viewer subsequently ignores them.
* Clients may implement this interface.<p>
*
* <code>ITextViewerExtension2</code> allows clients to manage the
* <code>VerifyListener</code>s of a <code>TextViewer</code>. This makes
* <code>IEventConsumer</code> obsolete.
*
* @see ITextViewer
* @see org.eclipse.swt.events.VerifyEvent
*/
public interface IEventConsumer {
/**
* Processes the given event and marks it as done if it should
* be ignored by subsequent receivers.
*
* @param event the verify event which will be investigated
*/
public void processEvent(VerifyEvent event);
}
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