SoSFTrigger - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 3.1.3
Note : Coin
NAMESoSFTrigger − The SoSFTrigger class is the 'void' class used for detecting field changes.
SYNOPSIS
#include <Inventor/fields/SoSFTrigger.h> Inherits SoSField.
Public Member Functionsvirtual SoType getTypeId (void) const
virtual void copyFrom (const SoField &field)
const SoSFTrigger & operator= (const SoSFTrigger &field)
virtual SbBool isSame (const SoField &field) const
void setValue (void)
void getValue (void) const
int operator== (const SoSFTrigger &trigger) const
int operator!= (const SoSFTrigger &trigger) const
virtual void startNotify (void)
virtual void notify (SoNotList *l)
virtual void touch (void)
Static Public Member Functionsstatic void * createInstance (void)
static SoType getClassTypeId (void)
static void initClass (void)
Additional Inherited Members
Detailed DescriptionThe SoSFTrigger class is the 'void' class used for detecting field changes. Connect this field to a master field (or engine output) to detect when the master field changes its value. This is useful if you want to automatically trigger an update from the node or engine (or other field container) this field is part of whenever another field changes -- and you are not particularly interested in the actual value of the master field. See also SoFieldSensor
Member Function Documentation
SoType SoSFTrigger::getTypeId (void) const [virtual]Returns the type identification instance which uniquely identifies the Coin field class the object belongs to. See also getClassTypeId(), SoType Implements SoField.
void SoSFTrigger::copyFrom (const SoField & f) [virtual]Copy value(s) from f into this field. f must be of the same type as this field. Implements SoField.
SbBool SoSFTrigger::isSame (const SoField & f) const [virtual]Check for equal type and value(s). Implements SoField.
void SoSFTrigger::setValue (void)This field class does not actually contain any value, so we just triggers an update by calling touch() within this method.
void SoSFTrigger::getValue (void) constField doesn't contain any value, so this method does nothing.
int SoSFTrigger::operator== (const SoSFTrigger & trigger) constSince SoSFTrigger fields doesn't have any value, they are all equal. So this method always returns TRUE.
int SoSFTrigger::operator!= (const SoSFTrigger & trigger) constSince SoSFTrigger fields doesn't have any value, they are all equal. So this method always returns FALSE.
void SoSFTrigger::startNotify (void) [virtual]Trigger a notification sequence. At the end of a notification sequence, all 'immediate' sensors (i.e. sensors set up with a zero priority) are triggered. Reimplemented from SoField.
void SoSFTrigger::notify (SoNotList * nlist) [virtual]Notify auditors that this field has changed. Reimplemented from SoField.
void SoSFTrigger::touch (void) [virtual]Notify the field as well as the field's owner / container that it has been changed. Touching a field which is part of any component (engine or node) in a scene graph will lead to a forced redraw. This is useful if you have been doing several updates to the field wrapped in a pair of enableNotify() calls to notify the field's auditors that its value has changed. See also setValue(), enableNotify() Reimplemented from SoField.
AuthorGenerated automatically by Doxygen for Coin from the source code. 0
Johanes Gumabo
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