00001 /*=======================================================================
00002  * Copyright 1991-1996, Silicon Graphics, Inc.
00003  * ALL RIGHTS RESERVED
00004  *
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00008  *
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00011  * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
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00013  * in similar or successor clauses in the FAR, or the DOD or NASA FAR
00014  * Supplement.  Contractor/manufacturer is Silicon Graphics, Inc.,
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00016  *
00017  * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
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00020  * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
00021  * GRAPHICS, INC.
00022 **=======================================================================*/
00023 /*=======================================================================
00024 ** Author      : Paul Isaacs (MMM yyyy)
00025 **=======================================================================*/
00026 /*=======================================================================
00027  *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
00028  ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
00029  ***                                                                                ***
00030  ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
00031  ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
00032  ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
00033  ***                                                                                ***
00034  ***                        RESTRICTED RIGHTS LEGEND                                ***
00035  ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
00036  ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
00037  ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
00038  ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
00039  ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
00040  ***                                                                                ***
00041  ***                   COPYRIGHT (C) 1996-2014 BY FEI S.A.S,                        ***
00042  ***                        BORDEAUX, FRANCE                                        ***
00043  ***                      ALL RIGHTS RESERVED                                       ***
00044 **=======================================================================*/
00045 /*=======================================================================
00046 ** Modified by : VSG (MMM YYYY)
00047 **=======================================================================*/
00048 
00049 
00050 #ifndef  _SO_POINT_LIGHT_MANIP_
00051 #define  _SO_POINT_LIGHT_MANIP_
00052 
00053 #include <Inventor/SbLinear.h>
00054 #include <Inventor/draggers/SoDragger.h>
00055 #include <Inventor/nodes/SoPointLight.h>
00056 #include <Inventor/sensors/SoFieldSensor.h>
00057 
00058 
00148 class  SoPointLightManip : public SoPointLight
00149 {
00150   SO_NODE_HEADER(SoPointLightManip);
00151 
00152  public:
00156   SoPointLightManip();
00157 
00164   SoDragger *getDragger();
00165 
00166 
00185   SbBool replaceNode( SoPath *p );
00186 
00205   SbBool replaceManip(SoPath *p, SoPointLight *newOne ) const;
00206 
00207  private:
00208 
00209   // These functions implement all actions for nodekits.
00210   // They first traverse the children, then use the SoPointLight
00211   // version of the actions. They traverse first so that the light
00212   // will affect objects which follow it in the tree, but not the
00213   // dragger-child.
00214   virtual void doAction( SoAction *action );
00215   virtual void callback( SoCallbackAction *action );
00216   virtual void GLRender( SoGLRenderAction *action );
00217   virtual void getBoundingBox( SoGetBoundingBoxAction *action );
00218   virtual void getMatrix(SoGetMatrixAction *action );
00219   virtual void handleEvent( SoHandleEventAction *action );
00220   virtual void pick( SoPickAction *action );
00221   virtual void search( SoSearchAction *action );
00222   virtual void write( SoWriteAction *action );
00223 
00224  private:
00225   static void initClass();  // initialize the class
00226   static void exitClass();
00227 
00228   virtual SoChildList *getChildren() const;
00229   virtual bool isGroup() { return true; }
00230 
00231   // Internal child management following inheritance of classes.
00232   virtual void internalRemoveChild( int index );
00233   virtual void internalRemoveChild( SoNode *child) { internalRemoveChild(internalFindChild(child)); }
00234   virtual void internalRemoveAllChildren();
00235   virtual void internalAddChild( SoNode *child );
00236   virtual int internalFindChild( const SoNode *child ) const;
00237   virtual void internalInsertChild( SoNode *child, int newChildIndex );
00238   virtual SoNode *internalGetChild( int index) const { return (*children)[index]; }
00239   virtual void internalReplaceChild( int index, SoNode *newChild);
00240   virtual void internalReplaceChild( SoNode *oldChild, SoNode *newChild) { internalReplaceChild(internalFindChild(oldChild),newChild); }
00241 
00242   // Redefines this to also copy the dragger
00243   virtual void        copyContents(const SoFieldContainer *fromFC,
00244                                    SbBool copyConnections);
00245 
00246  private:
00247 
00248   static void transferFieldValues( const SoPointLight *from, 
00249                                    SoPointLight *to);
00250 
00251   static void valueChangedCB(void *,SoDragger *);
00252 
00253   SoFieldSensor *locationFieldSensor;
00254   SoFieldSensor *colorFieldSensor;
00255   static void fieldSensorCB(void *, SoSensor *);
00256 
00257   void setDragger( SoDragger *newDragger );
00258 
00259   SoChildList *children;
00260   virtual SbBool readInstance(SoInput *in, unsigned short flags);
00261   virtual SbBool readChildren(SoInput *in);
00262 
00263   virtual ~SoPointLightManip();
00264 
00265  private:
00266   int getNumChildren() const { return (children->getLength()); }
00267 };    
00268 
00269 #endif  /* _SO_POINT_LIGHT_MANIP_ */
00270 
00271
Inventor/manips/SoPointLightManip.h
