////  GLCanvas.cpp//  interface/src////  Created by Stephen Birarda on 8/14/13.//  Copyright 2013 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include "GLCanvas.h" #include "Application.h" bool GLCanvas::event(QEvent* event) {    if (QEvent::Paint == event->type() && qApp->isAboutToQuit()) {        return true;    }    return GLWidget::event(event);}