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: 1.1.1.1 $ 00045 | 00046 | Description: 00047 | This file defines some macros that implement things common to 00048 | many subclasses of SoAction. They may be used to make SoAction 00049 | subclassing easier. In all of the macros, the "className" 00050 | parameter refers to the name of the action subclass. 00051 | 00052 | Defined macros: 00053 | 00054 | Within class header: 00055 | SO_ACTION_HEADER 00056 | 00057 | Within class source: 00058 | SO_ACTION_SOURCE 00059 | SO_ACTION_INIT_CLASS 00060 | SO_ACTION_CONSTRUCTOR 00061 | SO_ACTION_ADD_METHOD 00062 | 00063 | Author(s) : Paul S. Strauss 00064 | 00065 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00066 _______________________________________________________________________ 00067 */ 00068 00069 #ifndef _SO_SUB_ACTION_ 00070 #define _SO_SUB_ACTION_ 00071 00072 #include <Inventor/actions/SoAction.h> 00073 #include <Inventor/SbString.h> 00074 00080 00086 00087 #define SO_ACTION_HEADER(className) \ 00088 public: \ 00089 virtual SoType getTypeId() const; \ 00090 static SoType getClassTypeId() \ 00091 { return classTypeId; } \ 00092 SoEXTENDER public: \ 00093 static void addMethod(SoType t, SoActionMethod method) \ 00094 { methods->addMethod(t, method); } \ 00095 static void enableElement(SoType t, int stkIndex) \ 00096 { enabledElements->enable(t, stkIndex);} \ 00097 protected: \ 00098 virtual const SoEnabledElementsList & getEnabledElements() const; \ 00099 static SoEnabledElementsList *enabledElements; \ 00100 static SoActionMethodList *methods; \ 00101 private: \ 00102 static SoType classTypeId 00103 00108 00113 00114 #define SO__ACTION_VARS(className) \ 00115 SoEnabledElementsList *className::enabledElements; \ 00116 SoActionMethodList *className::methods; \ 00117 SoType className::classTypeId 00118 00123 00124 #define SO__ACTION_METHODS(className) \ 00125 \ 00126 SoType \ 00127 className::getTypeId() const \ 00128 { \ 00129 return classTypeId; \ 00130 } \ 00131 \ 00132 const SoEnabledElementsList & \ 00133 className::getEnabledElements() const \ 00134 { \ 00135 return *enabledElements; \ 00136 } 00137 00142 #define SO_ACTION_SOURCE(className) \ 00143 SO__ACTION_VARS(className); \ 00144 SO__ACTION_METHODS(className) 00145 00152 00153 #define SO_ACTION_INIT_CLASS(className, parentClass) \ 00154 enabledElements = new SoEnabledElementsList(parentClass::enabledElements);\ 00155 methods = new SoActionMethodList(parentClass::methods); \ 00156 classTypeId = SoType::createType(parentClass::getClassTypeId(), \ 00157 SO__QUOTE(className), NULL) 00158 00164 00165 #define SO_ACTION_CONSTRUCTOR(className) \ 00166 traversalMethods = methods 00167 00174 00175 #define SO_ACTION_ADD_METHOD(nodeClass, method) \ 00176 addMethod(nodeClass::getClassTypeId(), method) 00177 00178 #endif /* _SO_SUB_ACTION_ */