#include <qqmlbinding_p.h>

Inheritance diagram for QQmlBinding:

Collaboration diagram for QQmlBinding:

Public Types
enum	{ Invalid = -1 }
typedef QExplicitlySharedDataPointer< QQmlBinding >	Ptr
typedef int	Identifier
Public Types inherited from QQmlAbstractBinding
enum	Kind { ValueTypeProxy , QmlBinding , PropertyToPropertyBinding }
enum	State { Disabled = 0 , AddedToObject = 1 , BindingEnabled = 2 , UpdatingBinding = 3 }
enum	TargetTag { NoTargetTag = 0x0 , CanUseAccessor = 0x1 , IsSticky = 0x2 }
typedef QExplicitlySharedDataPointer< QQmlAbstractBinding >	Ptr

Public Member Functions
Kind	kind () const final
	~QQmlBinding () override
bool	mustCaptureBindableProperty () const final
void	refresh () override
void	setEnabled (bool, QQmlPropertyData::WriteFlags flags=QQmlPropertyData::DontRemoveBinding) override
QString	expression () const override
void	update (QQmlPropertyData::WriteFlags flags=QQmlPropertyData::DontRemoveBinding)
void	printBindingLoopError (const QQmlProperty &prop) override
QVariant	evaluate ()
bool	evaluate (void *result, QMetaType type)
void	expressionChanged () override
QQmlSourceLocation	sourceLocation () const override
void	setSourceLocation (const QQmlSourceLocation &location)
void	setBoundFunction (QV4::BoundFunction *boundFunction)
bool	hasBoundFunction () const
QList< QQmlProperty >	dependencies () const
virtual bool	hasDependencies () const
Public Member Functions inherited from QQmlJavaScriptExpression
	QQmlJavaScriptExpression ()
virtual	~QQmlJavaScriptExpression ()
virtual QString	expressionIdentifier () const
QV4::ReturnedValue	evaluate (bool *isUndefined)
QV4::ReturnedValue	evaluate (QV4::CallData callData, bool isUndefined)
bool	evaluate (void *a, const QMetaType types, int argc)
bool	notifyOnValueChanged () const
void	setNotifyOnValueChanged (bool v)
void	resetNotifyOnValueChanged ()
QObject *	scopeObject () const
void	setScopeObject (QObject *v)
bool	hasContext () const
bool	hasValidContext () const
QQmlContext *	publicContext () const
QQmlRefPointer< QQmlContextData >	context () const
void	setContext (const QQmlRefPointer< QQmlContextData > &context)
void	insertIntoList (QQmlJavaScriptExpression **listHead)
QV4::Function *	function () const
bool	hasError () const
bool	hasDelayedError () const
QQmlError	error (QQmlEngine *) const
void	clearError ()
void	clearActiveGuards ()
QQmlDelayedError *	delayedError ()
QQmlEngine *	engine () const
bool	hasUnresolvedNames () const
bool	needsPropertyChangeTrigger (QObject *target, int propertyIndex)
QPropertyChangeTrigger *	allocatePropertyChangeTrigger (QObject *target, int propertyIndex)
Public Member Functions inherited from QQmlAbstractBinding
virtual	~QQmlAbstractBinding ()
QQmlPropertyIndex	targetPropertyIndex () const
QObject *	targetObject () const
void	setTarget (const QQmlProperty &)
bool	setTarget (QObject , const QQmlPropertyData &, const QQmlPropertyData valueType)
bool	setTarget (QObject *, int coreIndex, bool coreIsAlias, int valueTypeIndex)
void	addToObject ()
	Add this binding to object.
void	removeFromObject ()
	Remove the binding from the object.
QQmlAbstractBinding *	nextBinding () const
bool	canUseAccessor () const
void	setCanUseAccessor (bool canUseAccessor)
bool	isSticky () const
void	setSticky (bool isSticky)

Static Public Member Functions
static QQmlBinding *	create (const QQmlPropertyData , const QQmlScriptString &, QObject , QQmlContext *)
static QQmlBinding *	create (const QQmlPropertyData , const QString &, QObject , const QQmlRefPointer< QQmlContextData > &, const QString &url=QString(), quint16 lineNumber=0)
static QQmlBinding *	create (const QQmlPropertyData property, QV4::Function function, QObject obj, const QQmlRefPointer< QQmlContextData > &ctxt, QV4::ExecutionContext scope)
static QQmlBinding *	create (QMetaType propertyType, QV4::Function function, QObject obj, const QQmlRefPointer< QQmlContextData > &ctxt, QV4::ExecutionContext *scope)
static QQmlBinding *	createTranslationBinding (const QQmlRefPointer< QV4::ExecutableCompilationUnit > &unit, const QV4::CompiledData::Binding binding, QObject obj, const QQmlRefPointer< QQmlContextData > &ctxt)
static QQmlBinding *	createTranslationBinding (const QQmlRefPointer< QV4::ExecutableCompilationUnit > &unit, const QQmlRefPointer< QQmlContextData > &ctxt, const QString &propertyName, const QQmlTranslation &translationData, const QQmlSourceLocation &location, QObject *obj)
Static Public Member Functions inherited from QQmlJavaScriptExpression
static QV4::ReturnedValue	evalFunction (const QQmlRefPointer< QQmlContextData > &ctxt, QObject *scope, const QString &code, const QString &filename, quint16 line)

Protected Member Functions
virtual void	doUpdate (const DeleteWatcher &watcher, QQmlPropertyData::WriteFlags flags, QV4::Scope &scope)
virtual bool	write (const QV4::Value &result, bool isUndefined, QQmlPropertyData::WriteFlags flags)=0
virtual bool	write (void *result, QMetaType type, bool isUndefined, QQmlPropertyData::WriteFlags flags)=0
int	getPropertyType () const
bool	slowWrite (const QQmlPropertyData &core, const QQmlPropertyData &valueTypeData, const QV4::Value &result, bool isUndefined, QQmlPropertyData::WriteFlags flags)
bool	slowWrite (const QQmlPropertyData &core, const QQmlPropertyData &valueTypeData, const void *result, QMetaType resultType, bool isUndefined, QQmlPropertyData::WriteFlags flags)
QV4::ReturnedValue	evaluate (bool *isUndefined)
Protected Member Functions inherited from QQmlJavaScriptExpression
void	createQmlBinding (const QQmlRefPointer< QQmlContextData > &ctxt, QObject *scope, const QString &code, const QString &filename, quint16 line)
void	setupFunction (QV4::ExecutionContext qmlContext, QV4::Function f)
void	setCompilationUnit (const QQmlRefPointer< QV4::ExecutableCompilationUnit > &compilationUnit)
Protected Member Functions inherited from QQmlAbstractBinding
	QQmlAbstractBinding ()
void	setAddedToObject (bool v)
bool	isAddedToObject () const
void	setNextBinding (QQmlAbstractBinding *)
void	getPropertyData (const QQmlPropertyData *propertyData, QQmlPropertyData valueTypeData) const
bool	updatingFlag () const
void	setUpdatingFlag (bool)
bool	enabledFlag () const
void	setEnabledFlag (bool)
void	updateCanUseAccessor ()

Friends
class	QQmlAbstractBinding

Additional Inherited Members
Public Attributes inherited from QQmlAbstractBinding
RefCount	ref
Protected Types inherited from QQmlJavaScriptExpression
enum	GuardTag { NoGuardTag , NotifyOnValueChanged }
enum	Tag { NoTag , InEvaluationLoop }
Protected Attributes inherited from QQmlJavaScriptExpression
QBiPointer< QObject, DeleteWatcher >	m_scopeObject
QForwardFieldList< QQmlJavaScriptExpressionGuard, &QQmlJavaScriptExpressionGuard::next, GuardTag >	activeGuards
QTaggedPointer< QQmlDelayedError, Tag >	m_error
TriggerList *	qpropertyChangeTriggers = nullptr
Protected Attributes inherited from QQmlAbstractBinding
QQmlPropertyIndex	m_targetIndex
QTaggedPointer< QObject, TargetTags >	m_target
QTaggedPointer< QQmlAbstractBinding, State >	m_nextBinding

Detailed Description

Definition at line 33 of file qqmlbinding_p.h.

Member Typedef Documentation

◆ Identifier

typedef int QQmlBinding::Identifier

Definition at line 79 of file qqmlbinding_p.h.

◆ Ptr

typedef QExplicitlySharedDataPointer<QQmlBinding> QQmlBinding::Ptr

Definition at line 38 of file qqmlbinding_p.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Enumerator
Invalid

Definition at line 80 of file qqmlbinding_p.h.

Constructor & Destructor Documentation

◆ ~QQmlBinding()

QQmlBinding::~QQmlBinding ( )

override

Definition at line 129 of file qqmlbinding.cpp.

Member Function Documentation

◆ create() [1/4]

QT_BEGIN_NAMESPACE QQmlBinding * QQmlBinding::create	(	const QQmlPropertyData *	property,
		const QQmlScriptString &	script,
		QObject *	obj,
		QQmlContext *	ctxt )

static

Definition at line 37 of file qqmlbinding.cpp.

◆ create() [2/4]

QQmlBinding * QQmlBinding::create	(	const QQmlPropertyData *	property,
		const QString &	str,
		QObject *	obj,
		const QQmlRefPointer< QQmlContextData > &	ctxt,
		const QString &	url = QString(),
		quint16	lineNumber = 0 )

static

Definition at line 91 of file qqmlbinding.cpp.

◆ create() [3/4]

QQmlBinding * QQmlBinding::create	(	const QQmlPropertyData *	property,
		QV4::Function *	function,
		QObject *	obj,
		const QQmlRefPointer< QQmlContextData > &	ctxt,
		QV4::ExecutionContext *	scope )

static

Definition at line 106 of file qqmlbinding.cpp.

◆ create() [4/4]

QQmlBinding * QQmlBinding::create	(	QMetaType	propertyType,
		QV4::Function *	function,
		QObject *	obj,
		const QQmlRefPointer< QQmlContextData > &	ctxt,
		QV4::ExecutionContext *	scope )

static

Definition at line 113 of file qqmlbinding.cpp.

◆ createTranslationBinding() [1/2]

QQmlBinding * QQmlBinding::createTranslationBinding	(	const QQmlRefPointer< QV4::ExecutableCompilationUnit > &	unit,
		const QQmlRefPointer< QQmlContextData > &	ctxt,
		const QString &	propertyName,
		const QQmlTranslation &	translationData,
		const QQmlSourceLocation &	location,
		QObject *	obj )

static

Definition at line 401 of file qqmlbinding.cpp.

◆ createTranslationBinding() [2/2]

QQmlBinding * QQmlBinding::createTranslationBinding	(	const QQmlRefPointer< QV4::ExecutableCompilationUnit > &	unit,
		const QV4::CompiledData::Binding *	binding,
		QObject *	obj,
		const QQmlRefPointer< QQmlContextData > &	ctxt )

static

Definition at line 381 of file qqmlbinding.cpp.

◆ dependencies()

QList< QQmlProperty > QQmlBinding::dependencies ( ) const

This method returns a snapshot of the currently tracked dependencies of this binding. The dependencies can change upon reevaluation. This method is used in GammaRay to visualize binding hierarchies.

Call this method from the UI thread.

Definition at line 642 of file qqmlbinding.cpp.

◆ doUpdate()

void QQmlBinding::doUpdate	(	const DeleteWatcher &	watcher,
		QQmlPropertyData::WriteFlags	flags,
		QV4::Scope &	scope )

protectedvirtual

Reimplemented in QQmlTranslationBinding, and QQmlTranslationBinding.

Definition at line 682 of file qqmlbinding.cpp.

◆ evaluate() [1/3]

QVariant QQmlBinding::evaluate ( )

Definition at line 600 of file qqmlbinding.cpp.

◆ evaluate() [2/3]

QV4::ReturnedValue QQmlBinding::evaluate ( bool * isUndefined )

protected

Definition at line 178 of file qqmlbinding.cpp.

◆ evaluate() [3/3]

bool QQmlBinding::evaluate	(	void *	result,
		QMetaType	type )

inline

Definition at line 85 of file qqmlbinding_p.h.

◆ expression()

QString QQmlBinding::expression ( ) const

overridevirtual

Reimplemented from QQmlAbstractBinding.

Definition at line 637 of file qqmlbinding.cpp.

◆ expressionChanged()

void QQmlBinding::expressionChanged ( )

overridevirtual

Implements QQmlJavaScriptExpression.

Definition at line 616 of file qqmlbinding.cpp.

◆ getPropertyType()

int QQmlBinding::getPropertyType ( ) const

protected

◆ hasBoundFunction()

bool QQmlBinding::hasBoundFunction ( ) const

inline

Definition at line 97 of file qqmlbinding_p.h.

◆ hasDependencies()

bool QQmlBinding::hasDependencies ( ) const

virtual

Reimplemented in QQmlTranslationBinding, and QQmlTranslationBinding.

Definition at line 677 of file qqmlbinding.cpp.

◆ kind()

Kind QQmlBinding::kind ( ) const

inlinefinalvirtual

Implements QQmlAbstractBinding.

Definition at line 66 of file qqmlbinding_p.h.

◆ mustCaptureBindableProperty()

bool QQmlBinding::mustCaptureBindableProperty ( ) const

inlinefinalvirtual

Reimplemented from QQmlJavaScriptExpression.

Definition at line 70 of file qqmlbinding_p.h.

◆ printBindingLoopError()

void QQmlBinding::printBindingLoopError ( const QQmlProperty & prop )

overridevirtual

Reimplemented from QQmlAbstractBinding.

Definition at line 172 of file qqmlbinding.cpp.

◆ refresh()

void QQmlBinding::refresh ( )

overridevirtual

Reimplemented from QQmlJavaScriptExpression.

Definition at line 621 of file qqmlbinding.cpp.

◆ setBoundFunction()

void QQmlBinding::setBoundFunction ( QV4::BoundFunction * boundFunction )

inline

Definition at line 94 of file qqmlbinding_p.h.

◆ setEnabled()

void QQmlBinding::setEnabled	(	bool	e,
		QQmlPropertyData::WriteFlags	flags = QQmlPropertyData::DontRemoveBinding )

overridevirtual

Implements QQmlAbstractBinding.

Definition at line 626 of file qqmlbinding.cpp.

◆ setSourceLocation()

void QQmlBinding::setSourceLocation ( const QQmlSourceLocation & location )

Definition at line 83 of file qqmlbinding.cpp.

◆ slowWrite() [1/2]

Q_NEVER_INLINE bool QQmlBinding::slowWrite	(	const QQmlPropertyData &	core,
		const QQmlPropertyData &	valueTypeData,
		const QV4::Value &	result,
		bool	isUndefined,
		QQmlPropertyData::WriteFlags	flags )

protected

Definition at line 481 of file qqmlbinding.cpp.

◆ slowWrite() [2/2]

bool QQmlBinding::slowWrite	(	const QQmlPropertyData &	core,
		const QQmlPropertyData &	valueTypeData,
		const void *	result,
		QMetaType	resultType,
		bool	isUndefined,
		QQmlPropertyData::WriteFlags	flags )

protected

Definition at line 429 of file qqmlbinding.cpp.

◆ sourceLocation()

QQmlSourceLocation QQmlBinding::sourceLocation ( ) const

overridevirtual

Reimplemented from QQmlJavaScriptExpression.

Reimplemented in QQmlTranslationBindingFromBinding, QQmlTranslationBindingFromBinding, QQmlTranslationBindingFromTranslationInfo, and QQmlTranslationBindingFromTranslationInfo.

Definition at line 76 of file qqmlbinding.cpp.

◆ update()

void QQmlBinding::update ( QQmlPropertyData::WriteFlags flags = QQmlPropertyData::DontRemoveBinding )

Definition at line 134 of file qqmlbinding.cpp.

◆ write() [1/2]

virtual bool QQmlBinding::write	(	const QV4::Value &	result,
		bool	isUndefined,
		QQmlPropertyData::WriteFlags	flags )

protectedpure virtual

Implemented in GenericBinding< StaticPropType >, GenericBinding< StaticPropType >, QObjectPointerBinding, and QObjectPointerBinding.

◆ write() [2/2]

virtual bool QQmlBinding::write	(	void *	result,
		QMetaType	type,
		bool	isUndefined,
		QQmlPropertyData::WriteFlags	flags )

protectedpure virtual

Implemented in GenericBinding< StaticPropType >, GenericBinding< StaticPropType >, GenericBinding< QMetaType::QString >, QObjectPointerBinding, and QObjectPointerBinding.

◆ QQmlAbstractBinding

friend class QQmlAbstractBinding

friend

Definition at line 36 of file qqmlbinding_p.h.

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

qtdeclarative/src/qml/qml/qqmlbinding_p.h (3f57095a30743159ceace0ec39822795092540c7)
qtdeclarative/src/qml/qml/qqmlbinding.cpp (3f57095a30743159ceace0ec39822795092540c7)

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Friends

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Identifier

◆ Ptr

Member Enumeration Documentation

◆ anonymous enum

Constructor & Destructor Documentation

◆ ~QQmlBinding()

Member Function Documentation

◆ create() [1/4]

◆ create() [2/4]

◆ create() [3/4]

◆ create() [4/4]

◆ createTranslationBinding() [1/2]

◆ createTranslationBinding() [2/2]

◆ dependencies()

◆ doUpdate()

◆ evaluate() [1/3]

◆ evaluate() [2/3]

◆ evaluate() [3/3]

◆ expression()

◆ expressionChanged()

◆ getPropertyType()

◆ hasBoundFunction()

◆ hasDependencies()

◆ kind()

◆ mustCaptureBindableProperty()

◆ printBindingLoopError()

◆ refresh()

◆ setBoundFunction()

◆ setEnabled()

◆ setSourceLocation()

◆ slowWrite() [1/2]

◆ slowWrite() [2/2]

◆ sourceLocation()

◆ update()

◆ write() [1/2]

◆ write() [2/2]

Friends And Related Symbol Documentation

◆ QQmlAbstractBinding