QtWidgetNode.hh 5.41 KB
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/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
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 *      Copyright (C) 2001-2010 by Computer Graphics Group, RWTH Aachen      *
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 *                           www.openflipper.org                             *
 *                                                                           *
 *---------------------------------------------------------------------------*
 *  This file is part of OpenFlipper.                                        *
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 *  OpenFlipper is free software: you can redistribute it and/or modify      *
 *  it under the terms of the GNU Lesser General Public License as           *
 *  published by the Free Software Foundation, either version 3 of           *
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 *  following exceptions:                                                    *
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 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
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 *  GNU Lesser General Public License. This exception does not however       *
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 *  covered by the GNU Lesser General Public License.                        *
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 *  OpenFlipper is distributed in the hope that it will be useful,           *
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\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision: 8876 $                                                       *
 *   $Author: dekkers $                                                      *
 *   $Date: 2010-04-01 14:31:02 +0200 (Do, 01. Apr 2010) $                   *
 *                                                                           *
\*===========================================================================*/




//=============================================================================
//
//  CLASS QtWidgetNode
//
//=============================================================================


#ifndef ACG_QTWIDGETNODE_HH
#define ACG_QTWIDGETNODE_HH


//== INCLUDES =================================================================

#include <ACG/Scenegraph/BaseNode.hh>
#include <ACG/Scenegraph/DrawModes.hh>
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#include <QGraphicsScene>
#include <QGraphicsProxyWidget>
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#include <QWidget>
#include <vector>

//== NAMESPACES ===============================================================

namespace ACG {
namespace SceneGraph {

//== CLASS DEFINITION =========================================================

	      

/** \class QtWidgetNode QtWidgetNode.hh <ACG/QtScenegraph/QtWidgetNode.hh>

    Integrates QtWidgets directly into the OpenGL scenegraph
**/

class ACGDLLEXPORT QtWidgetNode : public BaseNode
{
public:
   
  /// default constructor
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  QtWidgetNode( QWidget*        _widget,
                QGraphicsScene* _scene,
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                BaseNode*    _parent = 0,
	        std::string  _name="<QtWidgetNode>" )
    : BaseNode(_parent, _name),
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      position_(ACG::Vec3d(0.0,0.0,0.0)),
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      widget_(_widget)
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  {
    // Get the 3d proxxy of the widget
    QGraphicsProxyWidget *proxy = _scene->addWidget(_widget);
    
    // Store the Graphicsitem to apply transforms to it
    item_ = proxy->graphicsItem ();
  }
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  /// destructor
  ~QtWidgetNode() {}

  /// static name of this class
  ACG_CLASSNAME(QtWidgetNode);

  /// return available draw modes
  DrawModes::DrawMode availableDrawModes() const;

  /// update bounding box
  void boundingBox(Vec3d& _bbMin, Vec3d& _bbMax);

  /// draw points and normals
  void draw(GLState& _state, DrawModes::DrawMode _drawMode);
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  void position(ACG::Vec3d _position) { position_ = _position; };
  
  ACG::Vec3d position() { return position_; };
  
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private:
  
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  // The 3d point which should be followed by the widget
  ACG::Vec3d position_;
  
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  QWidget* widget_;
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  QGraphicsItem* item_;
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};


//=============================================================================
} // namespace SceneGraph
} // namespace ACG
//=============================================================================
#endif // ACG_QTWIDGETNODE_HH defined
//=============================================================================