OpenWalnut  1.4.0
WGEScene.h
00001 //---------------------------------------------------------------------------
00002 //
00003 // Project: OpenWalnut ( http://www.openwalnut.org )
00004 //
00005 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
00006 // For more information see http://www.openwalnut.org/copying
00007 //
00008 // This file is part of OpenWalnut.
00009 //
00010 // OpenWalnut is free software: you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as published by
00012 // the Free Software Foundation, either version 3 of the License, or
00013 // (at your option) any later version.
00014 //
00015 // OpenWalnut is distributed in the hope that it will be useful,
00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018 // GNU Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public License
00021 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
00022 //
00023 //---------------------------------------------------------------------------
00024 
00025 #ifndef WGESCENE_H
00026 #define WGESCENE_H
00027 
00028 #include "WGEGroupNode.h"
00029 
00030 
00031 /**
00032  * Class for managing the OpenSceneGraph root node. It can handle new nodes, removing nodes and so on.
00033  * \ingroup ge
00034  */
00035 class WGEScene: public WGEGroupNode
00036 {
00037 public:
00038     /**
00039      * Default constructor.
00040      */
00041     WGEScene();
00042 
00043     /**
00044      * Indicates whether we want the widget showing the scene to be
00045      * tranferred to its home position. This is the case if we have the
00046      * <b>first</b> child added to the scene.
00047      *
00048      * \return true if reset to bbox is requested
00049      */
00050     bool isHomePositionRequested();
00051 
00052 protected:
00053     /**
00054      * Destructor. Protected. To avoid accidental destruction of these root nodes.
00055      */
00056     virtual ~WGEScene();
00057 
00058 private:
00059     bool firstHomePositionRequest; //!< Indicates whether we still have the first request for home position (isHomePositionRequested()).
00060 };
00061 
00062 
00063 
00064 #endif  // WGESCENE_H
00065