00001 /*======================================================================= 00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States. Use of a copyright notice is precautionary only and does not 00007 * imply publication or disclosure. 00008 * 00009 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND: 00010 * Use, duplication or disclosure by the Government is subject to restrictions 00011 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights 00012 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or 00013 * in similar or successor clauses in the FAR, or the DOD or NASA FAR 00014 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc., 00015 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311. 00016 * 00017 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY 00018 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION, 00019 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY 00020 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON 00021 * GRAPHICS, INC. 00022 **=======================================================================*/ 00023 /*======================================================================= 00024 ** Author : Paul Isaacs (MMM yyyy) 00025 ** Modified by : Howard Look (MMM yyyy) 00026 **=======================================================================*/ 00027 /*======================================================================= 00028 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00029 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00030 *** *** 00031 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00032 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00033 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00034 *** *** 00035 *** RESTRICTED RIGHTS LEGEND *** 00036 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00037 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00038 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00039 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00040 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00041 *** *** 00042 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00043 *** BORDEAUX, FRANCE *** 00044 *** ALL RIGHTS RESERVED *** 00045 **=======================================================================*/ 00046 /*======================================================================= 00047 ** Modified by : VSG (MMM YYYY) 00048 **=======================================================================*/ 00049 00050 00051 #ifndef _SO_CENTERBALL_DRAGGER_ 00052 #define _SO_CENTERBALL_DRAGGER_ 00053 00054 #include <Inventor/SbLinear.h> 00055 #include <Inventor/sensors/SoSensor.h> 00056 #include <Inventor/draggers/SoDragger.h> 00057 #include <Inventor/fields/SoSFVec3f.h> 00058 #include <Inventor/fields/SoSFRotation.h> 00059 00060 class SoFieldSensor; 00061 class SoInput; 00062 class SoGetBoundingBoxAction; 00063 class SoGetMatrixAction; 00064 00066 // 00067 // Class: SoCenterballDragger 00068 // 00069 // CenterballDragger - allows user to rotate objects. 00070 // 00072 00339 class SoCenterballDragger : public SoDragger { 00340 00341 SO_KIT_HEADER(SoCenterballDragger); 00342 00343 // For making the dragger surround what lies above it. 00344 SO_KIT_CATALOG_ENTRY_HEADER(surroundScale); 00345 // For keeping the dragger even size in all 3 directions 00346 SO_KIT_CATALOG_ENTRY_HEADER(antiSquish); 00347 00348 // Translates whole dragger to location of center. 00349 SO_KIT_CATALOG_ENTRY_HEADER(translateToCenter); 00350 00351 SO_KIT_CATALOG_ENTRY_HEADER(lightModel); 00352 00353 SO_KIT_CATALOG_ENTRY_HEADER(rotator); 00354 00355 SO_KIT_CATALOG_ENTRY_HEADER(YRotator); 00356 SO_KIT_CATALOG_ENTRY_HEADER(ZCenterChanger); 00357 SO_KIT_CATALOG_ENTRY_HEADER(ZAxisSwitch); 00358 SO_KIT_CATALOG_ENTRY_HEADER(ZAxis); 00359 00360 SO_KIT_CATALOG_ENTRY_HEADER(rotX90); 00361 00362 SO_KIT_CATALOG_ENTRY_HEADER(ZRotator); 00363 SO_KIT_CATALOG_ENTRY_HEADER(YCenterChanger); 00364 SO_KIT_CATALOG_ENTRY_HEADER(YAxisSwitch); 00365 SO_KIT_CATALOG_ENTRY_HEADER(YAxis); 00366 00367 SO_KIT_CATALOG_ENTRY_HEADER(rotY90); 00368 00369 SO_KIT_CATALOG_ENTRY_HEADER(XRotator); 00370 00371 SO_KIT_CATALOG_ENTRY_HEADER(rot2X90); 00372 00373 SO_KIT_CATALOG_ENTRY_HEADER(XCenterChanger); 00374 SO_KIT_CATALOG_ENTRY_HEADER(XAxisSwitch); 00375 SO_KIT_CATALOG_ENTRY_HEADER(XAxis); 00376 00377 public: 00381 SoCenterballDragger(); 00382 00387 SoSFRotation rotation; 00392 SoSFVec3f center; 00393 00394 private: 00395 // Saves the matrix that moves the center relative to the motionMatrix 00396 // after it calls the default SoDragger method. 00397 virtual void saveStartParameters(); 00398 00399 private: 00400 static void initClass(); // initialize the class 00401 static void exitClass(); 00402 00403 private: 00404 00405 SoFieldSensor *rotFieldSensor; 00406 SoFieldSensor *centerFieldSensor; 00407 static void fieldSensorCB( void *, SoSensor *); 00408 static void valueChangedCB( void *, SoDragger *); 00409 00410 void transferCenterDraggerMotion(SoDragger *childDragger); 00411 00412 // Differs from SoDragger as follows: If it has a surroundScale node with 00413 // 'ignoreInBbox' set to TRUE, this means surroundScale is calculating its 00414 // bbox for sizing. So we also need to ignore the 'translateToCenter' 00415 // matrix. Take care of this by disabling notification of 00416 // 'translateToCenter', changing it to identity, running action, 00417 // and then putting everything back. 00418 virtual void getBoundingBox(SoGetBoundingBoxAction *action); 00419 virtual void getMatrix(SoGetMatrixAction *action); 00420 00421 static void kidStartCB( void *, SoDragger * ); 00422 static void kidFinishCB( void *, SoDragger * ); 00423 00424 void setSwitches( SoDragger *activeChild ); 00425 00426 // detach/attach any sensors, callbacks, and/or field connections. 00427 // Also set geometry of childDraggers to be our default instead of their 00428 // regular default, using our resources. 00429 // Called by: start/end of SoBaseKit::readInstance 00430 // and on new copy by: start/end of SoBaseKit::copy. 00431 // Classes that redefine must call setUpConnections(TRUE,TRUE) 00432 // at end of constructor. 00433 // Returns the state of the node when this was called. 00434 virtual SbBool setUpConnections( SbBool onOff, SbBool doItAlways = FALSE ); 00435 00436 virtual void setDefaultOnNonWritingFields(); 00437 00438 ~SoCenterballDragger(); 00439 00440 private: 00441 // Used by centerball to save initial matrix of the 'translateToCenter' 00442 // part when the child begins to move. 00443 SbMatrix startCenterMatrix; 00444 00445 // character string from which the shared geometry is read 00446 static const char geomBuffer[]; 00447 }; 00448 00449 #endif /* _SO_CENTERBALL_DRAGGER_ */ 00450 00451