1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.scenegraph.g2d.events;
14 import org.simantics.scenegraph.g2d.events.IEventQueue.EventCoalescer;
15 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseMovedEvent;
18 * Coalescales mouse events
20 * @author Toni Kalajainen
22 public class MouseEventCoalescer implements EventCoalescer {
24 public static final MouseEventCoalescer INSTANCE = new MouseEventCoalescer();
27 public Event coalesce(Event apriori, Event aposterior) {
28 if (!(apriori instanceof MouseMovedEvent)) return null;
29 if (!(aposterior instanceof MouseMovedEvent)) return null;
30 MouseMovedEvent m1 = (MouseMovedEvent) apriori;
31 MouseMovedEvent m2 = (MouseMovedEvent) aposterior;
32 if (m1.mouseId!=m2.mouseId) return null;