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00001 #ifndef COIN_SOSUBACTION_H 00002 #define COIN_SOSUBACTION_H 00003 00004 /**************************************************************************\ 00005 * 00006 * This file is part of the Coin 3D visualization library. 00007 * Copyright (C) 1998-2004 by Systems in Motion. All rights reserved. 00008 * 00009 * This library is free software; you can redistribute it and/or 00010 * modify it under the terms of the GNU General Public License 00011 * ("GPL") version 2 as published by the Free Software Foundation. 00012 * See the file LICENSE.GPL at the root directory of this source 00013 * distribution for additional information about the GNU GPL. 00014 * 00015 * For using Coin with software that can not be combined with the GNU 00016 * GPL, and for taking advantage of the additional benefits of our 00017 * support services, please contact Systems in Motion about acquiring 00018 * a Coin Professional Edition License. 00019 * 00020 * See <URL:http://www.coin3d.org/> for more information. 00021 * 00022 * Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY. 00023 * <URL:http://www.sim.no/>. 00024 * 00025 \**************************************************************************/ 00026 00027 #ifndef COIN_INTERNAL 00028 // Added to be Inventor compliant. 00029 #include <Inventor/SbString.h> 00030 #include <Inventor/actions/SoAction.h> 00031 #else // !COIN_INTERNAL 00032 #include <Inventor/SbName.h> 00033 #include <Inventor/actions/SoSubActionP.h> 00034 #endif // COIN_INTERNAL 00035 00036 00037 #define SO_ACTION_ADD_METHOD(_nodeclass_, _method_) \ 00038 do { \ 00039 addMethod(_nodeclass_::getClassTypeId(), (SoActionMethod)_method_); \ 00040 } while (0) 00041 00042 00043 #define SO_ACTION_CONSTRUCTOR(_classname_) \ 00044 do { \ 00045 _classname_::traversalMethods = this->methods; \ 00046 } while (0) 00047 00048 00049 #define SO_ACTION_HEADER(_classname_) \ 00050 public: \ 00051 virtual SoType getTypeId(void) const; \ 00052 static SoType getClassTypeId(void); \ 00053 \ 00054 static void addMethod(const SoType type, SoActionMethod method); \ 00055 \ 00056 static void enableElement(const SoType type, const int stackindex); \ 00057 \ 00058 protected: \ 00059 virtual const SoEnabledElementsList & getEnabledElements(void) const; \ 00060 /* These two methods are not available in the original OIV API. */ \ 00061 /* They have been added as a work-around for Win32 DLL headaches. */ \ 00062 /* See further explanation below. 20000808 mortene. */ \ 00063 static SoEnabledElementsList * getClassEnabledElements(void); \ 00064 static SoActionMethodList * getClassActionMethods(void); \ 00065 \ 00066 private: \ 00067 /* The enabledElements and methods variables are protected in */ \ 00068 /* the original OIV API. This is not such a good idea, since */ \ 00069 /* exposed static class member variables is a major grievance */ \ 00070 /* with regard to Win32 DLLs. */ \ 00071 static void atexit_cleanup(void); \ 00072 static SoEnabledElementsList * enabledElements; \ 00073 static SoActionMethodList * methods; \ 00074 static SoType classTypeId 00075 00076 00077 #define SO_ACTION_SOURCE(_classname_) \ 00078 SoEnabledElementsList * _classname_::enabledElements = NULL; \ 00079 SoActionMethodList * _classname_::methods = NULL; \ 00080 SoEnabledElementsList * _classname_::getClassEnabledElements(void) { return _classname_::enabledElements; } \ 00081 SoActionMethodList * _classname_::getClassActionMethods(void) { return _classname_::methods; } \ 00082 /* Don't set value explicitly to SoType::badType(), to avoid a bug in */ \ 00083 /* Sun CC v4.0. (Bitpattern 0x0000 equals SoType::badType()). */ \ 00084 SoType _classname_::classTypeId; \ 00085 SoType _classname_::getClassTypeId(void) { return _classname_::classTypeId; } \ 00086 SoType _classname_::getTypeId(void) const { return _classname_::classTypeId; } \ 00087 const SoEnabledElementsList & _classname_::getEnabledElements(void) const \ 00088 { \ 00089 assert(_classname_::enabledElements); \ 00090 return *_classname_::enabledElements; \ 00091 } \ 00092 void \ 00093 _classname_::addMethod(const SoType type, SoActionMethod method) \ 00094 { \ 00095 assert(_classname_::methods); \ 00096 _classname_::methods->addMethod(type, method); \ 00097 } \ 00098 void \ 00099 _classname_::enableElement(const SoType type, const int stackindex) \ 00100 { \ 00101 assert(_classname_::enabledElements); \ 00102 _classname_::enabledElements->enable(type, stackindex); \ 00103 } \ 00104 void \ 00105 _classname_::atexit_cleanup(void) \ 00106 { \ 00107 delete _classname_::enabledElements; \ 00108 _classname_::enabledElements = NULL; \ 00109 delete _classname_::methods; \ 00110 _classname_::methods = NULL; \ 00111 } 00112 00113 #define SO_ACTION_INIT_CLASS(_classname_, _parentclassname_) \ 00114 do { \ 00115 assert(_classname_::getClassTypeId() == SoType::badType()); \ 00116 assert(_parentclassname_::getClassTypeId() != SoType::badType()); \ 00117 _classname_::classTypeId = SoType::createType(_parentclassname_::getClassTypeId(), SO__QUOTE(_classname_)); \ 00118 _classname_::enabledElements = new SoEnabledElementsList(_parentclassname_::getClassEnabledElements()); \ 00119 _classname_::methods = new SoActionMethodList(_parentclassname_::getClassActionMethods()); \ 00120 } while (0) 00121 00122 #endif // !COIN_SOSUBACTION_H
Copyright © 1998-2003 by Systems in Motion AS. All rights reserved.
Generated on Sat Apr 10 08:33:10 2004 for Coin by Doxygen. 1.3.6-20040222