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SoGroup.h
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1/*
2 *
3 * Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
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10 * This library is distributed in the hope that it will be useful,
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19 * any, provided herein do not apply to combinations of this program with
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36
37
38/*
39 * Copyright (C) 1990,91 Silicon Graphics, Inc.
40 *
41 _______________________________________________________________________
42 ______________ S I L I C O N G R A P H I C S I N C . ____________
43 |
44 | $Revision: 1.1.1.1 $
45 |
46 | Description:
47 | This file defines the SoGroup node class.
48 |
49 | Author(s) : Paul S. Strauss, Nick Thompson
50 |
51 ______________ S I L I C O N G R A P H I C S I N C . ____________
52 _______________________________________________________________________
53 */
54
55#ifndef _SO_GROUP_
56#define _SO_GROUP_
57
58class SoChildList;
60
61
64
103
105
107
108 public:
109
112
116 SoGroup(int nChildren);
117
119 void addChild(SoNode *child);
120
122 void insertChild(SoNode *child, int newChildIndex);
123
126 SoNode * getChild(int index) const;
127
129 int findChild(const SoNode *child) const;
130
132 int getNumChildren() const;
133
135 void removeChild(int index);
136
138 void removeChild(SoNode *child)
139 { removeChild(findChild(child)); }
140
143
145 void replaceChild(int index, SoNode *newChild);
146
148 void replaceChild(SoNode *oldChild, SoNode *newChild)
149 { replaceChild(findChild(oldChild), newChild); }
150
151 SoEXTENDER public:
153 virtual void doAction(SoAction *action);
154 virtual void callback(SoCallbackAction *action);
155 virtual void GLRender(SoGLRenderAction *action);
157 virtual void getMatrix(SoGetMatrixAction *action);
158 virtual void handleEvent(SoHandleEventAction *action);
159 virtual void pick(SoPickAction *action);
160 virtual void search(SoSearchAction *action);
161 virtual void write(SoWriteAction *action);
162
163 SoINTERNAL public:
164 static void initClass();
165
167 virtual SoChildList *getChildren() const;
168
169 protected:
171
173 virtual bool readInstance(SoInput *in, unsigned short flags);
174
176 virtual bool readChildren(SoInput *in);
177
178 virtual ~SoGroup();
179
181 virtual void copyContents(const SoFieldContainer *fromFC,
182 bool copyConnections);
183};
184
185#endif /* _SO_GROUP_ */
#define SoEXTENDER
Provide inline template functions for abs, swap, min, max, and clamp.
Definition SbBasic.h:154
#define SoINTERNAL
Definition SbBasic.h:155
#define INVENTOR_API
Disable some annoying warnings on MSVC 6.
Definition SbSystem.h:77
#define SO_NODE_HEADER(className)
Non-abstract classes have everything abstract classes have, plus a way to create an instance.
Definition SoSubNode.h:170
Abstract base class for all actions.
Definition SoAction.h:179
Performs a generic traversal of the scene graph.
This class maintains a list of child nodes for any node.
Definition SoChildList.h:83
Abstract base class for objects that contain fields.
Renders a scene graph using OpenGL.
Computes bounding box of a scene.
Computes transformation matrix for subgraph.
Base class for all group nodes.
Definition SoGroup.h:104
virtual void pick(SoPickAction *action)
int getNumChildren() const
Returns number of children.
void replaceChild(int index, SoNode *newChild)
Replaces child with given index with new child.
SoChildList * children
Definition SoGroup.h:170
void insertChild(SoNode *child, int newChildIndex)
Adds a child so that it becomes the one with the given index.
void removeChild(int index)
Removes child with given index from group.
void addChild(SoNode *child)
Adds a child as last one in group.
void replaceChild(SoNode *oldChild, SoNode *newChild)
Replaces first instance of given child with new child.
Definition SoGroup.h:148
virtual ~SoGroup()
void removeChild(SoNode *child)
Removes first instance of given child from group.
Definition SoGroup.h:138
virtual void getBoundingBox(SoGetBoundingBoxAction *action)
virtual void copyContents(const SoFieldContainer *fromFC, bool copyConnections)
Copies the contents of the given node into this instance.
SoGroup()
Creates an empty group node.
void removeAllChildren()
Removes all children from group.
virtual void search(SoSearchAction *action)
virtual SoChildList * getChildren() const
Returns pointer to children.
virtual bool readChildren(SoInput *in)
Reads just the children into instance of SoGroup. Returns FALSE on error.
virtual void getMatrix(SoGetMatrixAction *action)
int findChild(const SoNode *child) const
Finds index of given child within group. Returns -1 if not found.
virtual void doAction(SoAction *action)
Implement actions.
virtual void GLRender(SoGLRenderAction *action)
These virtual functions implement all of the actions for nodes, Most of the default implementations d...
virtual bool readInstance(SoInput *in, unsigned short flags)
Reads stuff into instance of SoGroup. Returns FALSE on error.
SoGroup(int nChildren)
Constructor that takes approximate number of children.
virtual void callback(SoCallbackAction *action)
virtual void handleEvent(SoHandleEventAction *action)
static void initClass()
SoNode * getChild(int index) const
Returns pointer to child node with the given index.
virtual void write(SoWriteAction *action)
Allows nodes in a graph to receive input events.
Used to read Inventor data files.
Definition SoInput.h:128
Abstract base class for all database nodes.
Definition SoNode.h:103
Abstract base class for picking objects in a scene.
Searches for nodes in a scene graph.
Writes a scene graph to a file.