QPropertyBindingPrivate Class Reference

#include <qproperty_p.h>

Inheritance diagram for QPropertyBindingPrivate:

Collaboration diagram for QPropertyBindingPrivate:

Public Types
enum	NotificationState : bool { Delayed , Sent }

Public Member Functions
bool	isUpdating ()
void	setSticky (bool keep=true)
bool	isSticky ()
void	scheduleNotify ()
	QPropertyBindingPrivate (QMetaType metaType, const QtPrivate::BindingFunctionVTable *vtable, const QPropertyBindingSourceLocation &location, bool isQQmlPropertyBinding=false)
	~QPropertyBindingPrivate ()
void	setProperty (QUntypedPropertyData *propertyPtr)
void	setStaticObserver (QtPrivate::QPropertyObserverCallback callback, QtPrivate::QPropertyBindingWrapper bindingWrapper)
void	prependObserver (QPropertyObserverPointer observer)
QPropertyObserverPointer	takeObservers ()
void	clearDependencyObservers ()
Q_ALWAYS_INLINE QPropertyObserverPointer	allocateDependencyObserver ()
QPropertyObserverPointer	allocateDependencyObserver_slow ()
QPropertyBindingSourceLocation	sourceLocation () const
QPropertyBindingError	bindingError () const
QMetaType	valueMetaType () const
void	unlinkAndDeref ()
bool	evaluateRecursive (PendingBindingObserverList &bindingObservers, QBindingStatus *status=nullptr)
bool Q_ALWAYS_INLINE	evaluateRecursive_inline (PendingBindingObserverList &bindingObservers, QBindingStatus *status)
void	notifyNonRecursive (const PendingBindingObserverList &bindingObservers)
NotificationState	notifyNonRecursive ()
void	setError (QPropertyBindingError &&e)
void	detachFromProperty ()
bool	hasCustomVTable () const
Public Member Functions inherited from QtPrivate::RefCounted
void	addRef ()
bool	deref ()

Static Public Member Functions
static constexpr size_t	getSizeEnsuringAlignment ()
static QPropertyBindingPrivate *	get (const QUntypedPropertyBinding &binding)
static QPropertyBindingPrivate *	currentlyEvaluatingBinding ()
static void	destroyAndFreeMemory (QPropertyBindingPrivate *priv)

Public Attributes
size_t	dependencyObserverCount = 0
Public Attributes inherited from QtPrivate::RefCounted
int	ref = 0

Protected Types
using	DeclarativeErrorCallback = void(*)(QPropertyBindingPrivate *)

Protected Attributes
QUntypedPropertyData *	propertyDataPtr = nullptr
union {
QPropertyBindingSourceLocation   location
struct {
std::byte   declarativeExtraData [sizeof(QPropertyBindingSourceLocation)          - sizeof(DeclarativeErrorCallback)]
DeclarativeErrorCallback   errorCallBack
}
};

Friends
struct	QPropertyBindingDataPointer
class	QPropertyBindingPrivatePtr

Detailed Description

Definition at line 226 of file qproperty_p.h.

Member Typedef Documentation

DeclarativeErrorCallback

using QPropertyBindingPrivate::DeclarativeErrorCallback = void(*)(QPropertyBindingPrivate *)

protected

Definition at line 270 of file qproperty_p.h.

Member Enumeration Documentation

NotificationState

enum QPropertyBindingPrivate::NotificationState : bool

Enumerator
Delayed
Sent

Definition at line 375 of file qproperty_p.h.

Constructor & Destructor Documentation

QPropertyBindingPrivate()

QPropertyBindingPrivate::QPropertyBindingPrivate ( QMetaType  metaType, const QtPrivate::BindingFunctionVTable *  vtable, const QPropertyBindingSourceLocation &  location, bool  isQQmlPropertyBinding = false  )

inline

Definition at line 301 of file qproperty_p.h.

~QPropertyBindingPrivate()

QPropertyBindingPrivate::~QPropertyBindingPrivate

(

)

Definition at line 282 of file qproperty.cpp.

References QtPrivate::BindingFunctionVTable::destroy, getSizeEnsuringAlignment(), QtPrivate::BindingFunctionVTable::size, and QPropertyObserverPointer::unlink().

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Member Function Documentation

allocateDependencyObserver()

Q_ALWAYS_INLINE QPropertyObserverPointer QPropertyBindingPrivate::allocateDependencyObserver ( )

inline

Definition at line 346 of file qproperty_p.h.

allocateDependencyObserver_slow()

QPropertyObserverPointer QPropertyBindingPrivate::allocateDependencyObserver_slow

(

)

Definition at line 301 of file qproperty.cpp.

References dependencyObserverCount, and QScopedPointer< T, Cleanup >::reset().

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bindingError()

QPropertyBindingError QPropertyBindingPrivate::bindingError ( ) const

inline

Definition at line 365 of file qproperty_p.h.

References error.

clearDependencyObservers()

void QPropertyBindingPrivate::clearDependencyObservers

(

)

Definition at line 291 of file qproperty.cpp.

References dependencyObserverCount, i, and qMin().

Referenced by QtPrivate::BindingEvaluationState::BindingEvaluationState(), and unlinkAndDeref().

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currentlyEvaluatingBinding()

QPropertyBindingPrivate * QPropertyBindingPrivate::currentlyEvaluatingBinding ( )

static

Definition at line 565 of file qproperty.cpp.

References QtPrivate::BindingEvaluationState::binding, bindingStatus, and QBindingStatus::currentlyEvaluatingBinding.

destroyAndFreeMemory()

static void QPropertyBindingPrivate::destroyAndFreeMemory ( QPropertyBindingPrivate *  priv )

inlinestatic

Definition at line 399 of file qproperty_p.h.

References priv().

Referenced by QPropertyBindingPrivatePtr::destroyAndFreeMemory(), QPropertyBindingPrivatePtr::reset(), and unlinkAndDeref().

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detachFromProperty()

void QPropertyBindingPrivate::detachFromProperty ( )

inline

Definition at line 384 of file qproperty_p.h.

evaluateRecursive()

bool QPropertyBindingPrivate::evaluateRecursive	(	PendingBindingObserverList &	bindingObservers,
		QBindingStatus *	status = nullptr
	)

Definition at line 317 of file qproperty.cpp.

References bindingStatus, and evaluateRecursive_inline().

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evaluateRecursive_inline()

bool QPropertyBindingPrivate::evaluateRecursive_inline ( PendingBindingObserverList &  bindingObservers, QBindingStatus *  status  )

inline

Definition at line 793 of file qproperty_p.h.

References QPropertyBindingError::BindingLoop, error, and getSizeEnsuringAlignment().

Referenced by evaluateRecursive().

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get()

static QPropertyBindingPrivate * QPropertyBindingPrivate::get ( const QUntypedPropertyBinding &  binding )

inlinestatic

Definition at line 378 of file qproperty_p.h.

References QPropertyBindingPrivatePtr::data().

Referenced by BindingFixer::BindingFixer(), BindingFixer::~BindingFixer(), UntypedProxyProperty::bindingSetter(), QQmlObjectCreator::finalize(), QQmlPropertyBinding::isUndefined(), QQmlAnyBinding::operator=(), and QQmlAnyBinding::operator=().

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getSizeEnsuringAlignment()

static constexpr size_t QPropertyBindingPrivate::getSizeEnsuringAlignment ( )

inlinestaticconstexpr

Definition at line 284 of file qproperty_p.h.

Referenced by QUntypedPropertyBinding::QUntypedPropertyBinding(), ~QPropertyBindingPrivate(), QQmlPropertyBinding::create(), QQmlPropertyBinding::createFromBoundFunction(), QQmlPropertyBinding::createFromCodeString(), QQmlPropertyBinding::createFromScriptString(), QQmlPropertyBinding::doEvaluate(), evaluateRecursive_inline(), and QQmlPropertyBinding::jsExpression().

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hasCustomVTable()

bool QPropertyBindingPrivate::hasCustomVTable ( ) const

inline

Definition at line 394 of file qproperty_p.h.

References QtPrivate::BindingFunctionVTable::size.

Referenced by QQmlPropertyBinding::isUndefined().

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isSticky()

bool QPropertyBindingPrivate::isSticky ( )

inline

Definition at line 298 of file qproperty_p.h.

isUpdating()

bool QPropertyBindingPrivate::isUpdating ( )

inline

Definition at line 296 of file qproperty_p.h.

notifyNonRecursive() [1/2]

QPropertyBindingPrivate::NotificationState QPropertyBindingPrivate::notifyNonRecursive

(

)

Definition at line 332 of file qproperty.cpp.

References Delayed, QPropertyObserverPointer::noSelfDependencies(), QPropertyObserverPointer::notify(), propertyDataPtr, Q_ASSERT, Sent, and staticObserverCallback.

Referenced by notifyNonRecursive().

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notifyNonRecursive() [2/2]

void QPropertyBindingPrivate::notifyNonRecursive

(

const PendingBindingObserverList &

bindingObservers

)

Definition at line 324 of file qproperty.cpp.

References notifyNonRecursive().

Referenced by QProperty< T >::endPropertyUpdateGroup().

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prependObserver()

void QPropertyBindingPrivate::prependObserver ( QPropertyObserverPointer  observer )

inline

Definition at line 331 of file qproperty_p.h.

References QPropertyObserverPointer::ptr.

scheduleNotify()

void QPropertyBindingPrivate::scheduleNotify ( )

inline

Definition at line 299 of file qproperty_p.h.

Referenced by UntypedProxyProperty::bindingSetter().

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setError()

void QPropertyBindingPrivate::setError ( QPropertyBindingError &&  e )

inline

Definition at line 381 of file qproperty_p.h.

References e, and error.

setProperty()

void QPropertyBindingPrivate::setProperty ( QUntypedPropertyData *  propertyPtr )

inline

Definition at line 313 of file qproperty_p.h.

Referenced by QtPrivate::QPropertyBindingData::setBinding().

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setStaticObserver()

void QPropertyBindingPrivate::setStaticObserver ( QtPrivate::QPropertyObserverCallback  callback, QtPrivate::QPropertyBindingWrapper  bindingWrapper  )

inline

Definition at line 314 of file qproperty_p.h.

References Q_ASSERT.

setSticky()

void QPropertyBindingPrivate::setSticky ( bool  keep = true )

inline

Definition at line 297 of file qproperty_p.h.

sourceLocation()

QPropertyBindingSourceLocation QPropertyBindingPrivate::sourceLocation ( ) const

inline

Definition at line 356 of file qproperty_p.h.

takeObservers()

QPropertyObserverPointer QPropertyBindingPrivate::takeObservers ( )

inline

Definition at line 337 of file qproperty_p.h.

References QPropertyObserverPointer::ptr.

unlinkAndDeref()

void QPropertyBindingPrivate::unlinkAndDeref

(

)

Definition at line 309 of file qproperty.cpp.

References clearDependencyObservers(), destroyAndFreeMemory(), and propertyDataPtr.

Referenced by QtPrivate::QPropertyBindingData::~QPropertyBindingData().

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valueMetaType()

QMetaType QPropertyBindingPrivate::valueMetaType ( ) const

inline

Definition at line 366 of file qproperty_p.h.

Friends And Related Symbol Documentation

QPropertyBindingDataPointer

friend struct QPropertyBindingDataPointer

friend

Definition at line 229 of file qproperty_p.h.

QPropertyBindingPrivatePtr

friend class QPropertyBindingPrivatePtr

friend

Definition at line 230 of file qproperty_p.h.

Referenced by QQmlPropertyBinding::create(), QQmlPropertyBinding::createFromBoundFunction(), QQmlPropertyBinding::createFromCodeString(), and QQmlPropertyBinding::createFromScriptString().

Member Data Documentation

[union]

union { ... } QPropertyBindingPrivate

declarativeExtraData

std::byte QPropertyBindingPrivate::declarativeExtraData[sizeof(QPropertyBindingSourceLocation) - sizeof(DeclarativeErrorCallback)]

Definition at line 274 of file qproperty_p.h.

dependencyObserverCount

size_t QPropertyBindingPrivate::dependencyObserverCount = 0

Definition at line 294 of file qproperty_p.h.

Referenced by allocateDependencyObserver_slow(), and clearDependencyObservers().

errorCallBack

DeclarativeErrorCallback QPropertyBindingPrivate::errorCallBack

Definition at line 275 of file qproperty_p.h.

location

QPropertyBindingSourceLocation QPropertyBindingPrivate::location

Definition at line 272 of file qproperty_p.h.

propertyDataPtr

QUntypedPropertyData* QPropertyBindingPrivate::propertyDataPtr = nullptr

protected

Definition at line 261 of file qproperty_p.h.

Referenced by notifyNonRecursive(), and unlinkAndDeref().

staticBindingWrapper

QtPrivate::QPropertyBindingWrapper QPropertyBindingPrivate::staticBindingWrapper

Definition at line 253 of file qproperty_p.h.

staticObserverCallback

QtPrivate::QPropertyObserverCallback QPropertyBindingPrivate::staticObserverCallback = nullptr

Definition at line 252 of file qproperty_p.h.

Referenced by notifyNonRecursive().

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

• qtbase/src/corelib/kernel/qproperty_p.h
• qtbase/src/corelib/kernel/qproperty.cpp