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/*
*
* Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*
*/
// -*- C++ -*-
/*
* Copyright (C) 1990,91,92 Silicon Graphics, Inc.
*
_______________________________________________________________________
______________ S I L I C O N G R A P H I C S I N C . ____________
|
| $Revision: 1.1.1.1 $
|
| Description:
| This file defines the tab plane dragger class.
| This dragger allows you to perform scales
| and translations, all in one tidy plane.
|
| NOTE TO DEVELOPERS:
| For info about the structure of SoTabPlaneDragger:
| [1] compile: /usr/share/src/Inventor/samples/ivNodeKitStructure
| [2] type: ivNodeKitStructure SoTabPlaneDragger.
| [3] The program prints a diagram of the scene graph and a table with
| information about each part.
|
| The following parts in this dragger are created at construction time.
| 'ResourceName' corresponds to the name of the default geometry for the
| part. The dragger's constructor gets the scene graph for 'ResourceName'
| by querying the global dictionary ( SoDB::getByName("ResourceName"); ).
|
| Resource Name: Part Name:
|
| tabPlaneTranslator - translator
| tabPlaneScaleTabMaterial - scaleTabMaterial
| tabPlaneScaleTabHints - scaleTabHints
|
|
| Author(s): Paul Isaacs
|
______________ S I L I C O N G R A P H I C S I N C . ____________
_______________________________________________________________________
*/
#ifndef _SO_TAB_PLANE_DRAGGER_
#define _SO_TAB_PLANE_DRAGGER_
#include <Inventor/SbLinear.h>
#include <Inventor/sensors/SoSensor.h>
#include <Inventor/projectors/SbLineProjector.h>
#include <Inventor/projectors/SbPlaneProjector.h>
#include <Inventor/actions/SoCallbackAction.h>
#include <Inventor/draggers/SoDragger.h>
class SoNode;
class SoCoordinate3;
class SoGLRenderAction;
class SoRayPickAction;
class SoFieldSensor;
// C-api: prefix=SoTabPlnDrag
// C-api: public=translation,scaleFactor
class SoTabPlaneDragger : public SoDragger
{
// Define typeId and name stuff
SO_KIT_HEADER(SoTabPlaneDragger);
SO_KIT_CATALOG_ENTRY_HEADER(planeSwitch);
SO_KIT_CATALOG_ENTRY_HEADER(translator);
SO_KIT_CATALOG_ENTRY_HEADER(scaleTabs);
SO_KIT_CATALOG_ENTRY_HEADER(scaleTabMaterial);
SO_KIT_CATALOG_ENTRY_HEADER(scaleTabHints);
SO_KIT_CATALOG_ENTRY_HEADER(scaleTabMaterialBinding);
SO_KIT_CATALOG_ENTRY_HEADER(scaleTabNormalBinding);
SO_KIT_CATALOG_ENTRY_HEADER(scaleTabNormal);
SO_KIT_CATALOG_ENTRY_HEADER(edgeScaleCoords);
SO_KIT_CATALOG_ENTRY_HEADER(edgeScaleTab0);
SO_KIT_CATALOG_ENTRY_HEADER(edgeScaleTab1);
SO_KIT_CATALOG_ENTRY_HEADER(edgeScaleTab2);
SO_KIT_CATALOG_ENTRY_HEADER(edgeScaleTab3);
SO_KIT_CATALOG_ENTRY_HEADER(cornerScaleCoords);
SO_KIT_CATALOG_ENTRY_HEADER(cornerScaleTab0);
SO_KIT_CATALOG_ENTRY_HEADER(cornerScaleTab1);
SO_KIT_CATALOG_ENTRY_HEADER(cornerScaleTab2);
SO_KIT_CATALOG_ENTRY_HEADER(cornerScaleTab3);
public:
// Constructor
SoTabPlaneDragger();
SoSFVec3f translation;
SoSFVec3f scaleFactor;
// Cause the scale tabs size to be re-adjusted. Happens automatically
// upon dragger finish. You may want to do it upon viewer finish as
// well.
void adjustScaleTabSize();
SoINTERNAL public:
static void initClass(); // initialize the class
protected:
static void startCB( void *, SoDragger *);
static void motionCB( void *, SoDragger *);
static void finishCB( void *, SoDragger *);
static void metaKeyChangeCB( void *, SoDragger *);
SbLineProjector *lineProj;
SbPlaneProjector *planeProj;
SoFieldSensor *translFieldSensor;
SoFieldSensor *scaleFieldSensor;
static void fieldSensorCB( void *, SoSensor * );
static void valueChangedCB( void *, SoDragger * );
virtual void GLRender( SoGLRenderAction *action );
void dragStart();
void drag();
void dragFinish();
void translateStart();
void translateDrag();
void edgeScaleStart();
void edgeScaleDrag();
void cornerScaleStart();
void cornerScaleDrag();
void scaleUniformStart();
void scaleUniformDrag();
SbVec3f worldRestartPt;
int currentScalePatch;
enum State {
INACTIVE, TRANSLATING, EDGE_SCALING, CORNER_SCALING, UNIFORM_SCALING
};
SbBool shftDown;
State currentState;
State restartState;
int translateDir;
SbVec3f scaleCenter;
SbBool needScaleTabAdjustment;
void reallyAdjustScaleTabSize(SoGLRenderAction *action);
void getXYScreenLengths( SbVec2f &lengths, const SbMatrix &localToScreen,
const SbVec2s &winSize);
// 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 ~SoTabPlaneDragger();
private:
static const unsigned char geomBuffer[];
};
#endif /* _SO_TAB_PLANE_DRAGGER_ */
|
