00001 /*======================================================================= 00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States. Use of a copyright notice is precautionary only and does not 00007 * imply publication or disclosure. 00008 * 00009 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND: 00010 * Use, duplication or disclosure by the Government is subject to restrictions 00011 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights 00012 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or 00013 * in similar or successor clauses in the FAR, or the DOD or NASA FAR 00014 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc., 00015 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311. 00016 * 00017 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY 00018 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION, 00019 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY 00020 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON 00021 * GRAPHICS, INC. 00022 **=======================================================================*/ 00023 /*======================================================================= 00024 ** Author : Paul S. Strauss (MMM yyyy) 00025 ** Modified by : Nick Thompson (MMM yyyy) 00026 ** Modified by : Gavin Bell (MMM yyyy) 00027 **=======================================================================*/ 00028 /*======================================================================= 00029 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00030 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00031 *** *** 00032 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00033 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00034 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00035 *** *** 00036 *** RESTRICTED RIGHTS LEGEND *** 00037 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00038 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00039 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00040 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00041 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00042 *** *** 00043 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00044 *** BORDEAUX, FRANCE *** 00045 *** ALL RIGHTS RESERVED *** 00046 **=======================================================================*/ 00047 /*======================================================================= 00048 ** Modified by : VSG (MMM YYYY) 00049 **=======================================================================*/ 00050 00051 00052 #ifndef _SO_SFIELD_ 00053 #define _SO_SFIELD_ 00054 00055 #include <Inventor/fields/SoField.h> 00056 00058 // 00059 // Class: SoSField 00060 // 00061 // Field that always has only one value. 00062 // 00064 00094 class SoSField : public SoField { 00095 public: 00096 // Destructor 00097 #ifndef HIDDEN_FROM_DOC 00098 virtual ~SoSField(); 00099 #endif // HIDDEN_FROM_DOC 00100 00104 static SoType getClassTypeId(); 00105 00106 private: 00107 // Constructor 00108 SoSField(); 00109 00110 private: 00111 static void initClass(); 00112 static void exitClass(); 00113 00114 static void *createInstance(SoType* dynamicType = NULL); 00115 00116 // Called by an instance to indicate that a value has changed. If 00117 // resetDefault is TRUE, this turns off default flag. Initiates 00118 // notification, if necessary. 00119 void valueChanged(SbBool resetDefault = TRUE) 00120 {valueChangedBasic(resetDefault);} 00121 00122 // Reads value of field 00123 virtual SbBool readValue(SoInput *in) = 0; 00124 00125 // Writes value of field 00126 virtual void writeValue(SoOutput *out) const = 0; 00127 00128 private: 00129 static SoType classTypeId; 00130 00131 }; 00132 00133 #endif /* _SO_SFIELD_ */ 00134 00135 00136