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SoSelectOne.h
1 /**************************************************************************\
2  *
3  * This file is part of the Coin 3D visualization library.
4  * Copyright (C) 1998-2007 by Systems in Motion. All rights reserved.
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23 
24 #ifndef COIN_SOSELECTONE_H
25 #define COIN_SOSELECTONE_H
26 
27 #include <Inventor/engines/SoSubEngine.h>
28 #include <Inventor/fields/SoMField.h>
29 #include <Inventor/fields/SoSFInt32.h>
30 
31 class SoEngineOutput;
32 
33 
34 class COIN_DLL_API SoSelectOne : public SoEngine {
35  typedef SoEngine inherited;
36 
37  SO_ENGINE_HEADER(SoSelectOne);
38 
39 public:
42 
43  SoEngineOutput * output; // The SoSField-version of the SoMField-type.
44 
45  SoSelectOne(SoType inputtype);
46  static void initClass(void);
47 
48 private:
49  SoSelectOne(void);
50  ~SoSelectOne();
51 
52  virtual void evaluate(void);
53 
54  virtual SbBool readInstance(SoInput * in, unsigned short flags);
55  virtual void writeInstance(SoOutput * out);
56 
57  void initialize(const SoType inputfieldtype);
58 
59  virtual void copyContents(const SoFieldContainer * from,
60  SbBool copyconnections);
61 
62  // SoSelectOne instances uses a dynamic set of inputs and outputs,
63  // as they are not common for all instances of the class (like for
64  // most of the other engines).
65  SoFieldData * dynamicinput;
66  SoEngineOutputData * dynamicoutput;
67 
68  // Avoid a g++/egcs warning on the private default constructor.
69  friend class dummy;
70 };
71 
72 #endif // !COIN_SOSELECTONE_H

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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