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SoFieldSensor Class Reference

The SoFieldSensor class detects changes to a field.Attach a field to a sensor of this type to put it under surveillance, so you can act upon changes to the field. More...

#include <Inventor/sensors/SoFieldSensor.h>

Inheritance diagram for SoFieldSensor:
SoDataSensor SoDelayQueueSensor SoSensor

Public Member Functions

 SoFieldSensor (void)
 SoFieldSensor (SoSensorCB *func, void *data)
virtual ~SoFieldSensor (void)
void attach (SoField *field)
void detach (void)
SoFieldgetAttachedField (void) const
virtual void trigger (void)
- Public Member Functions inherited from SoDataSensor
 SoDataSensor (void)
 SoDataSensor (SoSensorCB *func, void *data)
virtual ~SoDataSensor (void)
void setDeleteCallback (SoSensorCB *function, void *data=NULL)
SoNodegetTriggerNode (void) const
SoFieldgetTriggerField (void) const
SoPathgetTriggerPath (void) const
void setTriggerPathFlag (SbBool flag)
SbBool getTriggerPathFlag (void) const
SoNotRec::OperationType getTriggerOperationType (void) const
int getTriggerIndex (void) const
int getTriggerFieldNumIndices (void) const
SoNodegetTriggerGroupChild (void) const
SoNodegetTriggerReplacedGroupChild (void) const
virtual void notify (SoNotList *l)
virtual void dyingReference (void)=0
- Public Member Functions inherited from SoDelayQueueSensor
 SoDelayQueueSensor (void)
 SoDelayQueueSensor (SoSensorCB *func, void *data)
virtual ~SoDelayQueueSensor (void)
void setPriority (uint32_t pri)
uint32_t getPriority (void) const
virtual void schedule (void)
virtual void unschedule (void)
virtual SbBool isScheduled (void) const
virtual SbBool isIdleOnly (void) const
- Public Member Functions inherited from SoSensor
 SoSensor (void)
 SoSensor (SoSensorCB *func, void *data)
virtual ~SoSensor (void)
void setFunction (SoSensorCB *callbackfunction)
SoSensorCBPtr getFunction (void) const
void setData (void *callbackdata)
void * getData (void) const
virtual SbBool isBefore (const SoSensor *s) const =0
void setNextInQueue (SoSensor *next)
SoSensorgetNextInQueue (void) const

Additional Inherited Members

- Static Public Member Functions inherited from SoDelayQueueSensor
static uint32_t getDefaultPriority (void)
- Protected Member Functions inherited from SoDataSensor
void invokeDeleteCallback (void)
- Protected Attributes inherited from SoDelayQueueSensor
SbBool scheduled

Detailed Description

The SoFieldSensor class detects changes to a field.

Attach a field to a sensor of this type to put it under surveillance, so you can act upon changes to the field.

An SoFieldSensor can also act for delete-callback purposes alone and does not need a regular notification-based callback.

Constructor & Destructor Documentation

SoFieldSensor::SoFieldSensor ( void  )

Constructor.

SoFieldSensor::SoFieldSensor ( SoSensorCB func,
void *  data 
)

Constructor taking as parameters the sensor callback function and the userdata which will be passed the callback.

See Also
setFunction(), setData()
SoFieldSensor::~SoFieldSensor ( void  )
virtual

Destructor.

Member Function Documentation

void SoFieldSensor::attach ( SoField field)

Attach sensor to a field. Whenever the field's value changes, the sensor will be triggered and call the callback function.

A field sensor can be attached to only a single field at a time. When this method is invoked multiple times, each subsequent call will replace the field the sensor is monitoring with the new field.

When the given field is deleted, the sensor will automatically be detached.

See Also
detach()
void SoFieldSensor::detach ( void  )

Detach sensor from field. As long as an SoFieldSensor is detached, it will never call its callback function.

See Also
attach()
SoField * SoFieldSensor::getAttachedField ( void  ) const

Returns a pointer to the field connected to the sensor.

See Also
attach(), detach()
void SoFieldSensor::trigger ( void  )
virtual

Trigger the sensor's callback function.

Reimplemented from SoDataSensor.


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

Copyright © by Kongsberg Oil & Gas Technologies. All rights reserved.

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