00001 /*=======================================================================
00002  * Copyright 1991-1996, Silicon Graphics, Inc.
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00022 **=======================================================================*/
00023 /*=======================================================================
00024 ** Author      : SGI (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  ***                                                                                ***
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00032  ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
00033  ***                                                                                ***
00034  ***                        RESTRICTED RIGHTS LEGEND                                ***
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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 **=======================================================================*/
00049 //
00050 // Description:
00051 //      This file defines a manipulator for a spot light nodes.
00052 //      It is subclassed from SoSpotLight.
00053 //
00055 
00056  
00057 #ifndef  _SO_SPOT_LIGHT_MANIP_
00058 #define  _SO_SPOT_LIGHT_MANIP_
00059 
00060 #include <Inventor/SbLinear.h>
00061 #include <Inventor/draggers/SoDragger.h>
00062 #include <Inventor/nodes/SoSpotLight.h>
00063 #include <Inventor/sensors/SoFieldSensor.h>
00064 
00065 
00161 class  SoSpotLightManip : public SoSpotLight
00162 {
00163   SO_NODE_HEADER(SoSpotLightManip);
00164 
00165  public:
00169   SoSpotLightManip();
00170 
00177   SoDragger *getDragger();
00178 
00197   SbBool replaceNode( SoPath *p );
00198 
00199 
00217 SbBool replaceManip(SoPath *p, SoSpotLight *newOne ) const;
00218 
00219  private:
00220 
00221   // These functions implement all actions for nodekits.
00222   // They first traverse the children, then use the SoSpotLight
00223   // version of the actions. They traverse first so that the light
00224   // will affect objects which follow it in the tree, but not the
00225   // dragger-child.
00226   virtual void doAction( SoAction *action );
00227   virtual void callback( SoCallbackAction *action );
00228   virtual void GLRender( SoGLRenderAction *action );
00229   virtual void getBoundingBox( SoGetBoundingBoxAction *action );
00230   virtual void getMatrix(SoGetMatrixAction *action );
00231   virtual void handleEvent( SoHandleEventAction *action );
00232   virtual void pick( SoPickAction *action );
00233   virtual void search( SoSearchAction *action );
00234   virtual void write( SoWriteAction *action );
00235 
00236  private:
00237 
00238   static void initClass();
00239   static void exitClass();
00240 
00241   virtual SoChildList *getChildren() const;
00242   virtual bool isGroup() { return true; }
00243 
00244   // Internal child management following inheritance of classes.
00245   virtual void internalRemoveChild( int index );
00246   virtual void internalRemoveChild( SoNode *child) { internalRemoveChild(internalFindChild(child)); }
00247   virtual void internalRemoveAllChildren();
00248   virtual void internalAddChild( SoNode *child );
00249   virtual int internalFindChild( const SoNode *child ) const;
00250   virtual void internalInsertChild( SoNode *child, int newChildIndex );
00251   virtual SoNode *internalGetChild( int index) const { return (*children)[index]; }
00252   virtual void internalReplaceChild( int index, SoNode *newChild);
00253   virtual void internalReplaceChild( SoNode *oldChild, SoNode *newChild) { internalReplaceChild(internalFindChild(oldChild),newChild); }
00254 
00255   // Redefines this to also copy the dragger
00256   virtual void        copyContents(const SoFieldContainer *fromFC,
00257                                    SbBool copyConnections);
00258 
00259  private:
00260 
00261   static void transferFieldValues( const SoSpotLight *from, 
00262                                    SoSpotLight *to);
00263 
00264   SoFieldSensor *locationFieldSensor;
00265   SoFieldSensor *directionFieldSensor;
00266   SoFieldSensor *angleFieldSensor;
00267   SoFieldSensor *colorFieldSensor;
00268   static void fieldSensorCB(void *, SoSensor *);
00269   static void valueChangedCB(void *,SoDragger *);
00270 
00271   void setDragger( SoDragger *newDragger );
00272 
00273   SoChildList *children;
00274   virtual SbBool readInstance(SoInput *in, unsigned short flags);
00275   virtual SbBool readChildren(SoInput *in);
00276 
00277   virtual ~SoSpotLightManip();
00278 
00279  private:
00280   int getNumChildren() const { return (children->getLength()); }
00281 };    
00282 
00283 #endif  /* _SO_SPOT_LIGHT_MANIP_ */
00284 
00285
Inventor/manips/SoSpotLightManip.h
