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/**************************************************************************\
*
* This file is part of the Coin 3D visualization library.
* Copyright (C) 1998-2005 by Systems in Motion. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* ("GPL") version 2 as published by the Free Software Foundation.
* See the file LICENSE.GPL at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using Coin with software that can not be combined with the GNU
* GPL, and for taking advantage of the additional benefits of our
* support services, please contact Systems in Motion about acquiring
* a Coin Professional Edition License.
*
* See <URL:http://www.coin3d.org/> for more information.
*
* Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
* <URL:http://www.sim.no/>.
*
\**************************************************************************/
/*
Demonstrates embedding of an SoQtRenderArea within a QScrollView.
*/
/***********************************************************************/
#include <Inventor/Qt/SoQt.h>
#include <Inventor/Qt/SoQtRenderArea.h>
#include <Inventor/nodes/SoCone.h>
#include <Inventor/nodes/SoDirectionalLight.h>
#include <Inventor/nodes/SoPerspectiveCamera.h>
#include <Inventor/nodes/SoSeparator.h>
#include <qapplication.h>
#include <qpainter.h>
#include <qscrollview.h>
#include <qpushbutton.h>
class MyScrollView : public QScrollView {
public:
MyScrollView(QWidget * parent) : QScrollView(parent)
{
this->resizeContents(10000, 10000);
this->enableClipper(TRUE);
// Container widget for the SoQtRenderArea.
QWidget * container = new QWidget(this);
container->resize(1000, 1000);
// Construct a simple scenegraph.
SoSeparator * root = new SoSeparator;
SoDirectionalLight * light = new SoDirectionalLight;
light->direction.setValue(-0.5, -0.5, -0.8);
root->addChild(light);
SoPerspectiveCamera * camera = new SoPerspectiveCamera;
camera->orientation = SbRotation(SbVec3f(0, 0, 1), 0);
root->addChild(camera);
SoCone * cone = new SoCone;
root->addChild(cone);
// Add the renderarea.
renderarea = new SoQtRenderArea(container);
renderarea->setSceneGraph(root);
camera->viewAll(root, renderarea->getViewportRegion());
this->addChild(container, 100, 100);
this->showChild(container);
}
protected:
void drawContents(QPainter * p, int cx, int cy, int cw, int ch)
{
p->fillRect(cx, cy, cw, ch, QColor(40, 80, 0));
// FIXME: should redraw only when necessary. 20001127 mortene.
renderarea->scheduleRedraw();
}
private:
SoQtRenderArea * renderarea;
};
/***********************************************************************/
int
main(int argc, char ** argv)
{
// Initialize Qt and SoQt.
QApplication app(argc, argv);
SoQt::init((QWidget *)NULL);
// Set up scrollview window.
MyScrollView * vp = new MyScrollView(NULL);
vp->viewport()->setBackgroundMode(QWidget::NoBackground);
// Map window.
vp->show();
// Set termination condition.
QObject::connect(qApp, SIGNAL(lastWindowClosed()), qApp, SLOT(quit()));
// Start event loop.
SoQt::mainLoop();
return 0;
}
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