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#ifndef COIN_SOSUBELEMENT_H
#define COIN_SOSUBELEMENT_H
/**************************************************************************\
*
* This file is part of the Coin 3D visualization library.
* Copyright (C) 1998-2004 by Systems in Motion. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* ("GPL") version 2 as published by the Free Software Foundation.
* See the file LICENSE.GPL at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using Coin with software that can not be combined with the GNU
* GPL, and for taking advantage of the additional benefits of our
* support services, please contact Systems in Motion about acquiring
* a Coin Professional Edition License.
*
* See <URL:http://www.coin3d.org/> for more information.
*
* Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
* <URL:http://www.sim.no/>.
*
\**************************************************************************/
#include <Inventor/SbBasic.h> // for SO__QUOTE() definition
#include <Inventor/SbName.h>
#include <assert.h>
// Include SoElement.h to be Open Inventor compatible at compile-time.
#include <Inventor/elements/SoElement.h>
/*
* This file contains macro definitions with common declarations and
* definitions used in Coin elements.
*
* FIXME: document macros and how they are used to set up a new
* user-extension skeleton element class (or just point to the example
* code in examples/advanced/elements/). 19991209 mortene.
*
*/
#define SO_ELEMENT_ABSTRACT_HEADER(_class_) \
public: \
static SoType getClassTypeId(void); \
static int getClassStackIndex(void); \
protected: \
_class_(void); \
private: \
/* classStackIndex is protected in the OIV UNIX distribution in */ \
/* SoSubElement.h and private in the Win32 distribution. Since */ \
/* there is a getClassStackIndex() access method, it seems more */ \
/* sensible to keep it private. 20000808 mortene. */ \
static int classStackIndex; \
static SoType classTypeId
#define SO_ELEMENT_HEADER(_class_) \
SO_ELEMENT_ABSTRACT_HEADER(_class_); \
public: \
static void * createInstance(void)
#define PRIVATE_SOELEMENT_VARIABLES(_class_) \
int _class_::classStackIndex; \
/* Don't set value explicitly to SoType::badType(), to avoid a bug in */ \
/* Sun CC v4.0. (Bitpattern 0x0000 equals SoType::badType()). */ \
SoType _class_::classTypeId; \
SoType _class_::getClassTypeId(void) { return _class_::classTypeId; } \
int _class_::getClassStackIndex(void) { return _class_::classStackIndex; }
#define SO_ELEMENT_ABSTRACT_SOURCE(_class_) \
PRIVATE_SOELEMENT_VARIABLES(_class_) \
_class_::_class_(void) { }
#define SO_ELEMENT_SOURCE(_class_) \
PRIVATE_SOELEMENT_VARIABLES(_class_) \
_class_::_class_(void) { this->setTypeId(_class_::classTypeId); \
this->setStackIndex(_class_::classStackIndex); } \
/*! \COININTERNAL */ \
void * _class_::createInstance(void) { return (void *) new _class_; }
/*
Specific to Coin. Added 2003-10-27.
*/
#define SO_ELEMENT_CUSTOM_CONSTRUCTOR_SOURCE(_class_) \
PRIVATE_SOELEMENT_VARIABLES(_class_) \
/*! \COININTERNAL */ \
void * _class_::createInstance(void) { return (void *) new _class_; }
#define PRIVATE_SOELEMENT_INIT(_class_, _parent_, _instantiate_) \
do { \
assert(_class_::classTypeId == SoType::badType()); \
assert(_parent_::getClassTypeId() != SoType::badType()); \
_class_::classTypeId = SoType::createType(_parent_::getClassTypeId(), \
SO__QUOTE(_class_), \
_instantiate_); \
if (_parent_::getClassStackIndex() < 0) _class_::classStackIndex = _class_::createStackIndex(_class_::classTypeId); \
else _class_::classStackIndex = _parent_::getClassStackIndex(); \
} while (0)
#define SO_ELEMENT_INIT_ABSTRACT_CLASS(_class_, _parent_) \
PRIVATE_SOELEMENT_INIT(_class_, _parent_, NULL)
#define SO_ELEMENT_INIT_CLASS(_class_, _parent_) \
PRIVATE_SOELEMENT_INIT(_class_, _parent_, &_class_::createInstance)
#endif // !COIN_SOSUBELEMENT_H
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