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/*******************************************************************************
* Copyright (c) 2000, 2010 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.eclipse.gef;
import org.eclipse.draw2d.geometry.Point;
/**
* Specializes {@link EditPartViewer} adding the ability to hit-test
* {@link Handle Handles}.
*
* @see org.eclipse.gef.ui.parts.GraphicalViewerImpl
*/
public interface GraphicalViewer extends EditPartViewer {
/**
* Returns the <code>Handle</code> at the specified Point. Returns
* <code>null</code> if no handle exists at the given Point. The specified
* point should be relative to the
* {@link org.eclipse.swt.widgets.Scrollable#getClientArea() client area}
* for this Viewer's <code>Control</code>.
*
* @param p
* the location relative to the Control's client area
* @return Handle <code>null</code> or a Handle
*/
Handle findHandleAt(Point p);
}