Main Page   Modules   Class Hierarchy   Alphabetical List   Compound List   File List   Compound Members  

SoSelectOne.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2002 by Systems in Motion. All rights reserved.
00005  *
00006  *  This library is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU Lesser General Public License
00008  *  version 2.1 as published by the Free Software Foundation. See the
00009  *  file LICENSE.LGPL at the root directory of the distribution for
00010  *  more details.
00011  *
00012  *  If you want to use Coin for applications not compatible with the
00013  *  LGPL, please contact SIM to acquire a Professional Edition license.
00014  *
00015  *  Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY
00016  *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
00017  *
00018 \**************************************************************************/
00019 
00020 #ifndef COIN_SOSELECTONE_H
00021 #define COIN_SOSELECTONE_H
00022 
00023 #include <Inventor/engines/SoSubEngine.h>
00024 #include <Inventor/fields/SoMField.h>
00025 #include <Inventor/fields/SoSFInt32.h>
00026 
00027 class SoEngineOutput;
00028 
00029 
00030 class COIN_DLL_API SoSelectOne : public SoEngine {
00031   typedef SoEngine inherited;
00032 
00033   SO_ENGINE_HEADER(SoSelectOne);
00034 
00035 public:
00036   SoSFInt32 index;
00037   SoMField * input;
00038 
00039   SoEngineOutput * output; // The SoSField-version of the SoMField-type.
00040 
00041   SoSelectOne(SoType inputtype);
00042   static void initClass(void);
00043 
00044 private:
00045   SoSelectOne(void);
00046   ~SoSelectOne();
00047 
00048   virtual void evaluate(void);
00049 
00050   virtual SbBool readInstance(SoInput * in, unsigned short flags);
00051   virtual void writeInstance(SoOutput * out);
00052 
00053   SbBool initialize(const SoType inputfieldtype);
00054 
00055   virtual void copyContents(const SoFieldContainer * from,
00056                             SbBool copyconnections);
00057 
00058   // SoSelectOne instances uses a dynamic set of inputs and outputs,
00059   // as they are not common for all instances of the class (like for
00060   // most of the other engines).
00061   SoFieldData * dynamicinput;
00062   SoEngineOutputData * dynamicoutput;
00063 
00064   // Avoid a g++/egcs warning on the private default constructor.
00065   friend class dummy;
00066 };
00067 
00068 #endif // !COIN_SOSELECTONE_H

Generated at Tue Mar 5 03:31:17 2002 for Coin by doxygen1.2.9 written by Dimitri van Heesch, © 1997-2001