00001 /*=======================================================================
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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.                     ***
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00032  ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
00033  ***                                                                                ***
00034  ***                        RESTRICTED RIGHTS LEGEND                                ***
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00040  ***                                                                                ***
00041  ***                   COPYRIGHT (C) 1996-2020 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 
00162 class  SoSpotLightManip : public SoSpotLight
00163 {
00164   SO_NODE_HEADER(SoSpotLightManip);
00165 
00166  public:
00170   SoSpotLightManip();
00171 
00178   SoDragger *getDragger();
00179 
00198   SbBool replaceNode( SoPath *p );
00199 
00200 
00218 SbBool replaceManip(SoPath *p, SoSpotLight *newOne ) const;
00219 
00220  private:
00221 
00222   // These functions implement all actions for nodekits.
00223   // They first traverse the children, then use the SoSpotLight
00224   // version of the actions. They traverse first so that the light
00225   // will affect objects which follow it in the tree, but not the
00226   // dragger-child.
00227   virtual void doAction( SoAction *action );
00228   virtual void callback( SoCallbackAction *action );
00229   virtual void GLRender( SoGLRenderAction *action );
00230   virtual void getBoundingBox( SoGetBoundingBoxAction *action );
00231   virtual void getMatrix(SoGetMatrixAction *action );
00232   virtual void handleEvent( SoHandleEventAction *action );
00233   virtual void pick( SoPickAction *action );
00234   virtual void search( SoSearchAction *action );
00235   virtual void write( SoWriteAction *action );
00236 
00237  private:
00238 
00239   static void initClass();
00240   static void exitClass();
00241 
00242   virtual SoChildList *getChildren() const;
00243   virtual bool isGroup() { return true; }
00244 
00245   // Internal child management following inheritance of classes.
00246   virtual void internalRemoveChild( int index );
00247   virtual void internalRemoveChild( SoNode *child) { internalRemoveChild(internalFindChild(child)); }
00248   virtual void internalRemoveAllChildren();
00249   virtual void internalAddChild( SoNode *child );
00250   virtual int internalFindChild( const SoNode *child ) const;
00251   virtual void internalInsertChild( SoNode *child, int newChildIndex );
00252   virtual SoNode *internalGetChild( int index) const { return (*children)[index]; }
00253   virtual void internalReplaceChild( int index, SoNode *newChild);
00254   virtual void internalReplaceChild( SoNode *oldChild, SoNode *newChild) { internalReplaceChild(internalFindChild(oldChild),newChild); }
00255 
00256  private:
00257 
00258   // Redefines this to also copy the dragger
00259   virtual void        copyContents(const SoFieldContainer *fromFC,
00260                                    SbBool copyConnections);
00261 
00262   static void transferFieldValues( const SoSpotLight *from, 
00263                                    SoSpotLight *to);
00264 
00265   SoFieldSensor *locationFieldSensor;
00266   SoFieldSensor *directionFieldSensor;
00267   SoFieldSensor *angleFieldSensor;
00268   SoFieldSensor *colorFieldSensor;
00269   static void fieldSensorCB(void *, SoSensor *);
00270   static void valueChangedCB(void *,SoDragger *);
00271 
00272   void setDragger( SoDragger *newDragger );
00273 
00274   SoChildList *children;
00275   virtual SbBool readInstance(SoInput *in, unsigned short flags);
00276   virtual SbBool readChildren(SoInput *in);
00277 
00278   virtual ~SoSpotLightManip();
00279 
00280  private:
00281   int getNumChildren() const { return (children->getLength()); }
00282 };    
00283 
00284 #endif  /* _SO_SPOT_LIGHT_MANIP_ */
00285 
00286
Inventor/manips/SoSpotLightManip.h
