Inventor/draggers/SoHandleBoxDragger.h

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/*=======================================================================
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**=======================================================================*/
/*=======================================================================
** Author      : Paul Isaacs (MMM yyyy)
** Modified by : David Mott (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/


#ifndef  _SO_HANDLEBOX_DRAGGER_
#define  _SO_HANDLEBOX_DRAGGER_

#include <Inventor/draggers/SoDragger.h>
#include <Inventor/fields/SoSFVec3f.h>
#include <Inventor/sensors/SoSensor.h>

class SbDict;
class SoDrawStyle;
class SbPlaneProjector;
class SbLineProjector;
class SoFieldSensor;

//
//  Class: SoHandleBoxDragger
//
//  HandleBox dragger - allows user to transform objects.
//

class  SoHandleBoxDragger : public SoDragger {

  SO_KIT_HEADER(SoHandleBoxDragger);

  SO_KIT_CATALOG_ENTRY_HEADER(drawStyle);

  // For making the dragger surround what lies above it.
  SO_KIT_CATALOG_ENTRY_HEADER(surroundScale);

  SO_KIT_CATALOG_ENTRY_HEADER(translator1Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(translator1);
  SO_KIT_CATALOG_ENTRY_HEADER(translator1Active);
  SO_KIT_CATALOG_ENTRY_HEADER(translator2Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(translator2);
  SO_KIT_CATALOG_ENTRY_HEADER(translator2Active);
  SO_KIT_CATALOG_ENTRY_HEADER(translator3Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(translator3);
  SO_KIT_CATALOG_ENTRY_HEADER(translator3Active);
  SO_KIT_CATALOG_ENTRY_HEADER(translator4Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(translator4);
  SO_KIT_CATALOG_ENTRY_HEADER(translator4Active);
  SO_KIT_CATALOG_ENTRY_HEADER(translator5Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(translator5);
  SO_KIT_CATALOG_ENTRY_HEADER(translator5Active);
  SO_KIT_CATALOG_ENTRY_HEADER(translator6Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(translator6);
  SO_KIT_CATALOG_ENTRY_HEADER(translator6Active);


  SO_KIT_CATALOG_ENTRY_HEADER(extruder1Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder1);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder1Active);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder2Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder2);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder2Active);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder3Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder3);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder3Active);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder4Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder4);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder4Active);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder5Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder5);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder5Active);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder6Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder6);
  SO_KIT_CATALOG_ENTRY_HEADER(extruder6Active);

  SO_KIT_CATALOG_ENTRY_HEADER(uniform1Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform1);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform1Active);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform2Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform2);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform2Active);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform3Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform3);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform3Active);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform4Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform4);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform4Active);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform5Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform5);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform5Active);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform6Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform6);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform6Active);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform7Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform7);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform7Active);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform8Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform8);
  SO_KIT_CATALOG_ENTRY_HEADER(uniform8Active);

  SO_KIT_CATALOG_ENTRY_HEADER(arrowTranslation);

  SO_KIT_CATALOG_ENTRY_HEADER(arrow1Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(arrow1);
  SO_KIT_CATALOG_ENTRY_HEADER(arrow2Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(arrow2);
  SO_KIT_CATALOG_ENTRY_HEADER(arrow3Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(arrow3);
  SO_KIT_CATALOG_ENTRY_HEADER(arrow4Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(arrow4);
  SO_KIT_CATALOG_ENTRY_HEADER(arrow5Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(arrow5);
  SO_KIT_CATALOG_ENTRY_HEADER(arrow6Switch);
  SO_KIT_CATALOG_ENTRY_HEADER(arrow6);

 public:
  SoHandleBoxDragger();
    
  SoSFVec3f    translation;
  SoSFVec3f    scaleFactor;

 private:
  static void         initClass();    // initialize the class
  static void         exitClass();

 private:

  // Callbacks for drag start, motion, and finish
  static void startCB( void *, SoDragger * );
  static void motionCB( void *, SoDragger * );
  static void finishCB( void *, SoDragger * );
    
  SoFieldSensor *translFieldSensor;
  SoFieldSensor *scaleFieldSensor;
  static void   fieldSensorCB( void *, SoSensor * );
  static void valueChangedCB( void *, SoDragger * );

  // Callbacks for pressing and releasing the meta keys
  static void metaKeyChangeCB( void *, SoDragger *);

  // These really do the work during startCB, motionCB, and finishCB
  void        dragStart();
  void        drag();
  void        dragFinish();

  void setAllPartsActive( SbBool onOrOff );

  // detach/attach any sensors, callbacks, and/or field connections.
  // Called by:            start/end of SoBaseKit::readInstance
  // and on new copy by:   start/end of SoBaseKit::copy.
  // Classes that redefine must call setUpConnections(TRUE,TRUE) 
  // at end of constructor.
  // Returns the state of the node when this was called.
  virtual SbBool setUpConnections( SbBool onOff, SbBool doItAlways = FALSE );

  virtual void setDefaultOnNonWritingFields();

  virtual ~SoHandleBoxDragger();

 private:

  enum WhichAxis 
  { POSX, POSY, POSZ, NEGX, NEGY, NEGZ };
  void   highlightAxisForScale( WhichAxis axis );

  enum State
  { INACTIVE, 
    SCALE_GEOM_ONLY,
    RIT_X_SCALE,  TOP_Y_SCALE,  FNT_Z_SCALE, 
    LFT_X_SCALE,  BOT_Y_SCALE,  BAK_Z_SCALE, 

    PX_PY_PZ_3D_SCALE, PX_PY_NZ_3D_SCALE, PX_NY_PZ_3D_SCALE, 
    PX_NY_NZ_3D_SCALE, NX_PY_PZ_3D_SCALE, NX_PY_NZ_3D_SCALE, 
    NX_NY_PZ_3D_SCALE, NX_NY_NZ_3D_SCALE, 

    RIT_TRANSLATE,  TOP_TRANSLATE,  FNT_TRANSLATE,
    LFT_TRANSLATE,  BOT_TRANSLATE,  BAK_TRANSLATE };

  State               currentState;     
  int                 translateDir;   // Used for 1-D translation,
  // this variable records the current
  // axis being used.

  SbPlaneProjector    *motionPlaneProj;
  SbLineProjector     *motionLineProj;

  State           restartState;     // used by meta callback. 
  SbVec3f         worldRestartPt; // used during interaction

  SbBool          altDown, ctlDown, shftDown;  // used to keep track of
  // which meta keys were down.

  // functions which do all the work
  void        setHighlights();
  void        setFeedbackArrows();

  SbBool              translateInit();
  SbBool              faceScaleInit();
  SbBool              uniformScaleInit();
  SbBool              scaleGeomSizeOnlyInit();

  SbBool              translateDrag();
  SbBool              scaleDrag();
  SbBool              scaleGeomSizeOnlyDrag();

  // character strings from which the shared geometry is read
  static const char geomBuffer[];            
};

#endif /* _SO_HANDLEBOX_DRAGGER_ */

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Open Inventor Toolkit reference manual, generated on 15 Mar 2023
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