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 the base SoNode class. 00048 | 00049 | Author(s) : Paul S. Strauss, Nick Thompson 00050 | 00051 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00052 _______________________________________________________________________ 00053 */ 00054 00055 #ifndef _SO_NODE_ 00056 #define _SO_NODE_ 00057 00058 #include <Inventor/system/SbSystem.h> 00059 #include <Inventor/fields/SoFieldContainer.h> 00060 #include <Inventor/SoLists.h> 00061 #include <Inventor/SbString.h> 00062 #include <Inventor/SoType.h> 00063 00064 class SoAction; 00065 class SoCallbackAction; 00066 class SoChildList; 00067 class SoFieldData; 00068 class SoGLRenderAction; 00069 class SoGetBoundingBoxAction; 00070 class SoGetMatrixAction; 00071 class SoHandleEventAction; 00072 class SoInput; 00073 class SoOutput; 00074 class SoPickAction; 00075 class SoRayPickAction; 00076 class SoSearchAction; 00077 class SoWriteAction; 00078 00079 00080 00083 00101 00102 00103 class INVENTOR_API SoNode : public SoFieldContainer { 00104 00105 public: 00106 00108 void setOverride(SbBool state); 00109 00111 SbBool isOverride() const { return override; } 00112 00114 static SoType getClassTypeId() { return classTypeId; } 00115 00122 SoNode * copy(SbBool copyConnections = FALSE) const; 00123 00128 virtual SbBool affectsState() const; 00129 00135 static SoNode * getByName(const SbName &name); 00140 static int getByName(const SbName &name, SoNodeList &list); 00141 00142 SoEXTENDER public: 00143 00146 virtual void doAction(SoAction *action); 00147 00150 virtual void GLRender(SoGLRenderAction *action); 00151 virtual void callback(SoCallbackAction *action); 00152 virtual void getBoundingBox(SoGetBoundingBoxAction *action); 00153 virtual void getMatrix(SoGetMatrixAction *action); 00154 virtual void handleEvent(SoHandleEventAction *action); 00155 virtual void pick(SoPickAction *action); 00156 virtual void rayPick(SoRayPickAction *action); 00157 virtual void search(SoSearchAction *action); 00158 virtual void write(SoWriteAction *action); 00159 00163 virtual void GLRenderBelowPath(SoGLRenderAction *action); 00164 virtual void GLRenderInPath(SoGLRenderAction *action); 00165 virtual void GLRenderOffPath(SoGLRenderAction *action); 00166 00170 virtual void grabEventsSetup(); 00171 virtual void grabEventsCleanup(); 00172 00173 SoINTERNAL public: 00174 enum Stage { 00175 FIRST_INSTANCE, 00176 PROTO_INSTANCE, 00177 OTHER_INSTANCE 00178 }; 00179 00181 static void initClass(); 00182 00184 static void initClasses(); 00185 00187 virtual void startNotify(); 00188 00190 virtual void notify(SoNotList *list); 00191 00193 uint32_t getNodeId() const { return uniqueId; } 00194 00196 static uint32_t getNextNodeId() { return nextUniqueId; } 00197 00199 virtual SoChildList *getChildren() const; 00200 00202 virtual void writeInstance(SoOutput *out); 00203 00206 static int getActionMethodIndex(SoType t) 00207 { return t.getData(); } 00208 00211 virtual SoNode * addToCopyDict() const; 00212 00215 virtual void copyContents(const SoFieldContainer *fromFC, 00216 SbBool copyConnections); 00217 00219 virtual SoFieldContainer * copyThroughConnection() const; 00220 00221 protected: 00224 static const SoFieldData **getFieldDataPtr() { return NULL; } 00225 00227 SoNode(); 00228 virtual ~SoNode(); 00229 00231 uint32_t uniqueId; 00232 00234 static uint32_t nextUniqueId; 00235 00237 static int nextActionMethodIndex; 00238 00239 private: 00240 static SoType classTypeId; 00241 00242 SbBool override; 00243 00246 static void callbackS(SoAction *, SoNode *); 00247 static void GLRenderS(SoAction *, SoNode *); 00248 static void getBoundingBoxS(SoAction *, SoNode *); 00249 static void getMatrixS(SoAction *, SoNode *); 00250 static void handleEventS(SoAction *, SoNode *); 00251 static void pickS(SoAction *, SoNode *); 00252 static void rayPickS(SoAction *, SoNode *); 00253 static void searchS(SoAction *, SoNode *); 00254 static void writeS(SoAction *, SoNode *); 00255 }; 00256 00257 #endif /* _SO_NODE_ */