Open Inventor Reference
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00001 /* 00002 * 00003 * Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved. 00004 * 00005 * This library is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU Lesser General Public 00007 * License as published by the Free Software Foundation; either 00008 * version 2.1 of the License, or (at your option) any later version. 00009 * 00010 * This library is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 * Lesser General Public License for more details. 00014 * 00015 * Further, this software is distributed without any warranty that it is 00016 * free of the rightful claim of any third person regarding infringement 00017 * or the like. Any license provided herein, whether implied or 00018 * otherwise, applies only to this software file. Patent licenses, if 00019 * any, provided herein do not apply to combinations of this program with 00020 * other software, or any other product whatsoever. 00021 * 00022 * You should have received a copy of the GNU Lesser General Public 00023 * License along with this library; if not, write to the Free Software 00024 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00025 * 00026 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 00027 * Mountain View, CA 94043, or: 00028 * 00029 * http://www.sgi.com 00030 * 00031 * For further information regarding this notice, see: 00032 * 00033 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ 00034 * 00035 */ 00036 00037 00038 /* 00039 * Copyright (C) 1990,91 Silicon Graphics, Inc. 00040 * 00041 _______________________________________________________________________ 00042 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00043 | 00044 | $Revision: 1.2 $ 00045 | 00046 | Description: 00047 | This file defines the SoSelectOne class, used to select one 00048 | value out of an SoMF field and write it into the corresponding 00049 | SoSF field. 00050 | 00051 | Author(s) : Gavin Bell 00052 | 00053 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00054 _______________________________________________________________________ 00055 */ 00056 00057 #ifndef _SO_SELECTONE_ 00058 #define _SO_SELECTONE_ 00059 00060 #include <Inventor/system/SbSystem.h> 00061 #include <Inventor/engines/SoSubEngine.h> 00062 #include <Inventor/fields/SoSFInt32.h> 00063 #include <Inventor/fields/SoSFName.h> 00064 00065 00066 00069 00101 00102 00103 class INVENTOR_API SoSelectOne : public SoEngine { 00104 00105 SO_ENGINE_HEADER(SoSelectOne); 00106 00107 public: 00108 00111 SoSelectOne(SoType mfInputType); 00112 00115 SoSFInt32 index; 00116 00119 SoMField *input; 00120 00124 SoEngineOutput *output; 00125 00126 SoINTERNAL public: 00127 static void initClass(); 00128 00129 virtual SoFieldContainer * copyThroughConnection() const; 00130 00131 private: 00132 SoSelectOne(); 00133 ~SoSelectOne(); 00134 00137 virtual SbBool readInstance(SoInput *in, unsigned short flags); 00138 virtual void writeInstance(SoOutput *out); 00139 00140 void setup(SoType); 00141 virtual void evaluate(); 00142 00143 int conversionCase; 00144 00145 SoFieldData *myInputData; 00146 SoEngineOutputData *myOutputData; 00147 00148 SoSFName typeField; 00149 }; 00150 00151 #endif /* _SO_SELECTONE_ */