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