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SoJackDragger Class Reference

The SoJackDragger class is a dragger you can translate, rotate and scale. More...

#include <Inventor/draggers/SoJackDragger.h>

Inheritance diagram for SoJackDragger::

List of all members.

Public Methods
	SoJackDragger (void)
Static Public Methods
void	initClass (void)
Public Attributes
SoSFRotation	rotation
SoSFVec3f	translation
SoSFVec3f	scaleFactor
Protected Methods
	~SoJackDragger ()
virtual SbBool	setUpConnections (SbBool onoff, SbBool doitalways=FALSE)
virtual void	setDefaultOnNonWritingFields (void)
Static Protected Methods
void	invalidateSurroundScaleCB (void *f, SoDragger *d)
void	fieldSensorCB (void *f, SoSensor *s)
void	valueChangedCB (void *f, SoDragger *d)
Protected Attributes
SoFieldSensor *	rotFieldSensor
SoFieldSensor *	translFieldSensor
SoFieldSensor *	scaleFieldSensor

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Detailed Description

The SoJackDragger class is a dragger you can translate, rotate and scale.

Translation is done with this dragger by picking the flat transparent box ("x-z" translation) or the solid middle part of the axis ("y"-axis translation). Press a SHIFT-key while translating in x-z to contrain to one of the principal axes.

Uniform scale operations can be done by dragging any of the 6 cubes. Non-uniform scale operations can not be done with this dragger.

Rotations are invoked by clicking and dragging the line parts of the 3 principal "axes" of the dragger geometry.

The name "Jack dragger" probably stems from this dragger being implemented by SGI for interacting with a "jack-in-the-box" type model way back in the Inventor history.

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Constructor & Destructor Documentation

SoJackDragger::SoJackDragger (  void )

Default constructor, sets up the dragger nodekit catalog with the interaction and feedback geometry.

SoJackDragger::~SoJackDragger (  )  [protected]

Protected destructor. (Dragger classes are derived from SoBase, so they are reference counted and automatically destroyed when their reference count goes to 0.)

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Member Function Documentation

void SoJackDragger::initClass (  void )  [static]

Initializes type system for this dragger class. Application programmers should usually not have to invoke this method, see documentation of SoInteraction::initClass(). Reimplemented from SoDragger.

SbBool SoJackDragger::setUpConnections (  SbBool onoff, SbBool doitalways = FALSE )  [protected, virtual]

Sets up all internal connections for instances of this class. (This method will usually not be of interest to the application programmer, unless you want to extend the library with new custom nodekits or dragger classes. If so, see the SoBaseKit class documentation.) Reimplemented from SoInteractionKit.

void SoJackDragger::setDefaultOnNonWritingFields (  void )  [protected, virtual]

(Be aware that this method is unlikely to be of interest to the application programmer who does not want to extend the library with new custom nodekits or draggers. If you indeed are writing extensions, see the information in the SoBaseKit class documentation.) A virtual method that should call SoField::setDefault() with argument TRUE on part fields that should not be written upon scenegraph export operations. This is typically done when: field value is NULL and part is NULL by default it is a leaf SoGroup or SoSeparator node with no children it is a leaf listpart with no children and a SoGroup or SoSeparator container it is a non-leaf part and it's of SoGroup type and all fields are at their default values Subclasses should usually override this to do additional settings for new member fields. From the subclass, do remember to call "upwards" to your superclass' setDefaultOnNonWritingFields() method. Reimplemented from SoDragger.

void SoJackDragger::invalidateSurroundScaleCB (  void * f, SoDragger * d )  [static, protected]

Used to invalidate the surroundScale and antiSquish parts when a child dragger starts or finishes dragging.

void SoJackDragger::fieldSensorCB (  void * d, SoSensor * s )  [static, protected]

For internal use only. Reimplemented from SoInteractionKit.

void SoJackDragger::valueChangedCB (  void * f, SoDragger * d )  [static, protected]

For internal use only.

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Member Data Documentation

SoSFRotation SoJackDragger::rotation

This field is continuously updated to contain the rotation of the current direction vector of the dragger.

SoSFVec3f SoJackDragger::translation

Continuously updated to contain the current translation from the dragger's local origo position. The application programmer applying this dragger in his code should connect the relevant node fields in the scene to this field to make it follow the dragger.

SoSFVec3f SoJackDragger::scaleFactor

Continuously updated to contain the current vector of scaling along the X, Y and Z axes. Only uniform scaling can be done with the SoJackDragger, so the 3 vector components will always be equal.

SoFieldSensor * SoJackDragger::rotFieldSensor [protected]

For internal use only.

SoFieldSensor * SoJackDragger::translFieldSensor [protected]

For internal use only.

SoFieldSensor * SoJackDragger::scaleFieldSensor [protected]

For internal use only.

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The documentation for this class was generated from the following files:

• SoJackDragger.cpp
• SoJackDragger.h

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