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/*
*
* Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*
*/
// -*- C++ -*-
/*
* Copyright (C) 1990,91 Silicon Graphics, Inc.
*
_______________________________________________________________________
______________ S I L I C O N G R A P H I C S I N C . ____________
|
| $Revision: 1.1.1.1 $
|
| Description:
| This file defines the SoGroup node class.
|
| Author(s) : Paul S. Strauss, Nick Thompson
|
______________ S I L I C O N G R A P H I C S I N C . ____________
_______________________________________________________________________
*/
#ifndef _SO_GROUP_
#define _SO_GROUP_
class SoChildList;
#include <Inventor/nodes/SoSubNode.h>
//////////////////////////////////////////////////////////////////////////////
//
// Class: SoGroup
//
// Base group node: all children are traversed.
//
//////////////////////////////////////////////////////////////////////////////
class SoGroup : public SoNode {
SO_NODE_HEADER(SoGroup);
public:
// Default constructor
// C-api: begin
SoGroup();
// Constructor that takes approximate number of children
// C-api: name=CreateN
SoGroup(int nChildren);
// Adds a child as last one in group
void addChild(SoNode *child);
// Adds a child so that it becomes the one with the given index
void insertChild(SoNode *child, int newChildIndex);
// Returns pointer to nth child node
SoNode * getChild(int index) const;
// Finds index of given child within group
int findChild(const SoNode *child) const;
// Returns number of children
int getNumChildren() const;
// Removes child with given index from group
void removeChild(int index);
// Removes first instance of given child from group
// C-api: name=RemoveChildNode
void removeChild(SoNode *child)
{ removeChild(findChild(child)); }
// Removes all children from group
void removeAllChildren();
// Replaces child with given index with new child
void replaceChild(int index, SoNode *newChild);
// Replaces first instance of given child with new child
// C-api: name=ReplaceChildNode
void replaceChild(SoNode *oldChild, SoNode *newChild)
{ replaceChild(findChild(oldChild), newChild); }
SoEXTENDER public:
// Implement actions
virtual void doAction(SoAction *action);
virtual void callback(SoCallbackAction *action);
virtual void GLRender(SoGLRenderAction *action);
virtual void getBoundingBox(SoGetBoundingBoxAction *action);
virtual void getMatrix(SoGetMatrixAction *action);
virtual void handleEvent(SoHandleEventAction *action);
virtual void pick(SoPickAction *action);
virtual void search(SoSearchAction *action);
virtual void write(SoWriteAction *action);
SoINTERNAL public:
static void initClass();
// Returns pointer to children
virtual SoChildList *getChildren() const;
protected:
SoChildList *children;
// Reads stuff into instance of SoGroup. Returns FALSE on error
virtual SbBool readInstance(SoInput *in, unsigned short flags);
// Reads just the children into instance of SoGroup. Returns FALSE on error
virtual SbBool readChildren(SoInput *in);
virtual ~SoGroup();
// Copies the contents of the given node into this instance
virtual void copyContents(const SoFieldContainer *fromFC,
SbBool copyConnections);
};
#endif /* _SO_GROUP_ */
|
