SoNodeSensor(3)

NAME
SoNodeSensor - The SoNodeSensor class detects changes to nodes.

SYNOPSIS

#include <Inventor/sensors/SoNodeSensor.h>

Inherits SoDataSensor.

  Public Member Functions
SoNodeSensor (void)
SoNodeSensor (SoSensorCB *func, void *data)
virtual ~SoNodeSensor (void)
void attach (SoNode *node)
void detach (void)
SoNode * getAttachedNode (void) const
Public Member Functions inherited from SoDataSensor
SoDataSensor (void)
SoDataSensor (SoSensorCB *func, void *data)
virtual ~SoDataSensor (void)
void setDeleteCallback (SoSensorCB *function, void *data=NULL)
SoNode * getTriggerNode (void) const
SoField * getTriggerField (void) const
SoPath * getTriggerPath (void) const
void setTriggerPathFlag (SbBool flag)
SbBool getTriggerPathFlag (void) const
SoNotRec::OperationType getTriggerOperationType (void) const
int getTriggerIndex (void) const
int getTriggerFieldNumIndices (void) const
SoNode * getTriggerGroupChild (void) const
SoNode * getTriggerReplacedGroupChild (void) const
virtual void trigger (void)
virtual void notify (SoNotList *l)
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
void setNextInQueue (SoSensor *next)
SoSensor * getNextInQueue (void) const

  Additional Inherited Members
Static Public Member Functions inherited from SoDelayQueueSensor
static uint32_t getDefaultPriority (void)
Static Public Member Functions inherited from SoSensor
static void initClass (void)
Protected Member Functions inherited from SoDataSensor
void invokeDeleteCallback (void)
Protected Attributes inherited from SoDelayQueueSensor
SbBool scheduled
Protected Attributes inherited from SoSensor
SoSensorCB * func
void * funcData

Detailed Description

The SoNodeSensor class detects changes to nodes. Attach a node to a sensor of this type to put it under surveillance, so you can act upon changes to the node.

Any modification to the node's fields will trigger the sensor, as will changes to node's children (if any), including if nodes are added or removed as children below the node in the subgraph.

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

Constructor & Destructor Documentation

  SoNodeSensor::SoNodeSensor (void )
Default constructor.

  SoNodeSensor::SoNodeSensor (SoSensorCB * func, void * data)
Constructor taking as parameters the sensor callback function and the userdata which will be passed to the callback.

See also
    setFunction(), setData()

  SoNodeSensor::~SoNodeSensor (void ) [virtual]
Destructor.

Member Function Documentation

  void SoNodeSensor::attach (SoNode * node)
Attach sensor to a node. Whenever any data in the node (or its children, if it is an SoGroup or SoGroup derived node) changes, the sensor will be triggered and call the callback function.

Attaching a node sensor to a node will not increase the node's reference count (and conversely, detach()'ing the node sensor will not decrease the reference count, either).

When the attached node is deleted, the sensor will be automatically detached().

See also
    detach()

  void SoNodeSensor::detach (void )
Detach sensor from node. As long as an SoNodeSensor is detached, it will never call its callback function.

See also
    attach()

  SoNode * SoNodeSensor::getAttachedNode (void ) const
Returns a pointer to the node connected to the sensor.

See also
    attach(), detach()

Author

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