Qt
Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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QQmlPropertyBinding Class Reference

#include <qqmlpropertybinding_p.h>

Inheritance diagram for QQmlPropertyBinding:
Collaboration diagram for QQmlPropertyBinding:

Public Member Functions

QQmlPropertyBindingJS * jsExpression ()
QQmlPropertyBindingJS const * jsExpression () const
bool hasDependencies ()
Public Member Functions inherited from QPropertyBindingPrivate
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)
Q_ALWAYS_INLINE bool 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
int refCount () const
void addRef ()
bool deref ()

Static Public Member Functions

static QUntypedPropertyBinding create (const QQmlPropertyData *pd, QV4::Function *function, QObject *obj, const QQmlRefPointer< QQmlContextData > &ctxt, QV4::ExecutionContext *scope, QObject *target, QQmlPropertyIndex targetIndex)
static QUntypedPropertyBinding create (QMetaType propertyType, QV4::Function *function, QObject *obj, const QQmlRefPointer< QQmlContextData > &ctxt, QV4::ExecutionContext *scope, QObject *target, QQmlPropertyIndex targetIndex)
static QUntypedPropertyBinding createFromCodeString (const QQmlPropertyData *property, const QString &str, QObject *obj, const QQmlRefPointer< QQmlContextData > &ctxt, const QString &url, quint16 lineNumber, QObject *target, QQmlPropertyIndex targetIndex)
static QUntypedPropertyBinding createFromScriptString (const QQmlPropertyData *property, const QQmlScriptString &script, QObject *obj, QQmlContext *ctxt, QObject *target, QQmlPropertyIndex targetIndex)
static QUntypedPropertyBinding createFromBoundFunction (const QQmlPropertyData *pd, QV4::BoundFunction *function, QObject *obj, const QQmlRefPointer< QQmlContextData > &ctxt, QV4::ExecutionContext *scope, QObject *target, QQmlPropertyIndex targetIndex)
static bool isUndefined (const QUntypedPropertyBinding &binding)
static bool isUndefined (const QPropertyBindingPrivate *binding)
template<QMetaType::Type type>
static bool doEvaluate (QMetaType metaType, QUntypedPropertyData *dataPtr, void *f)
Static Public Member Functions inherited from QPropertyBindingPrivate
static constexpr size_t getSizeEnsuringAlignment ()
static QPropertyBindingPrivate * get (const QUntypedPropertyBinding &binding)
static QPropertyBindingPrivate * currentlyEvaluatingBinding ()
static void destroyAndFreeMemory (QPropertyBindingPrivate *priv)

Friends

class QQmlPropertyBindingJS

Additional Inherited Members

Public Types inherited from QPropertyBindingPrivate
enum  NotificationState : bool { Delayed , Sent }
Public Attributes inherited from QPropertyBindingPrivate
size_t dependencyObserverCount = 0
Protected Types inherited from QPropertyBindingPrivate
using DeclarativeErrorCallback = void(*)(QPropertyBindingPrivate *)
Protected Attributes inherited from QPropertyBindingPrivate
QUntypedPropertyData * propertyDataPtr = nullptr
union { 
   QPropertyBindingSourceLocation   location 
   struct { 
      std::byte   declarativeExtraData [sizeof(QPropertyBindingSourceLocation)
         - sizeof(DeclarativeErrorCallback)] 
      DeclarativeErrorCallback   errorCallBack 
   } 
}; 

Detailed Description

Definition at line 57 of file qqmlpropertybinding_p.h.

Member Function Documentation

◆ create() [1/2]

QUntypedPropertyBinding QQmlPropertyBinding::create ( const QQmlPropertyData * pd,
QV4::Function * function,
QObject * obj,
const QQmlRefPointer< QQmlContextData > & ctxt,
QV4::ExecutionContext * scope,
QObject * target,
QQmlPropertyIndex targetIndex )
static

Definition at line 23 of file qqmlpropertybinding.cpp.

◆ create() [2/2]

QUntypedPropertyBinding QQmlPropertyBinding::create ( QMetaType propertyType,
QV4::Function * function,
QObject * obj,
const QQmlRefPointer< QQmlContextData > & ctxt,
QV4::ExecutionContext * scope,
QObject * target,
QQmlPropertyIndex targetIndex )
static

Definition at line 31 of file qqmlpropertybinding.cpp.

◆ createFromBoundFunction()

QUntypedPropertyBinding QQmlPropertyBinding::createFromBoundFunction ( const QQmlPropertyData * pd,
QV4::BoundFunction * function,
QObject * obj,
const QQmlRefPointer< QQmlContextData > & ctxt,
QV4::ExecutionContext * scope,
QObject * target,
QQmlPropertyIndex targetIndex )
static

Definition at line 105 of file qqmlpropertybinding.cpp.

◆ createFromCodeString()

QUntypedPropertyBinding QQmlPropertyBinding::createFromCodeString ( const QQmlPropertyData * property,
const QString & str,
QObject * obj,
const QQmlRefPointer< QQmlContextData > & ctxt,
const QString & url,
quint16 lineNumber,
QObject * target,
QQmlPropertyIndex targetIndex )
static

Definition at line 52 of file qqmlpropertybinding.cpp.

◆ createFromScriptString()

QUntypedPropertyBinding QQmlPropertyBinding::createFromScriptString ( const QQmlPropertyData * property,
const QQmlScriptString & script,
QObject * obj,
QQmlContext * ctxt,
QObject * target,
QQmlPropertyIndex targetIndex )
static

Definition at line 67 of file qqmlpropertybinding.cpp.

◆ doEvaluate()

template<QMetaType::Type type>
bool QQmlPropertyBinding::doEvaluate ( QMetaType metaType,
QUntypedPropertyData * dataPtr,
void * f )
inlinestatic

Definition at line 120 of file qqmlpropertybinding_p.h.

◆ hasDependencies()

bool QQmlPropertyBinding::hasDependencies ( )
inline

Definition at line 127 of file qqmlpropertybinding_p.h.

◆ isUndefined() [1/2]

bool QQmlPropertyBinding::isUndefined ( const QPropertyBindingPrivate * binding)
inlinestatic

Definition at line 112 of file qqmlpropertybinding_p.h.

◆ isUndefined() [2/2]

bool QQmlPropertyBinding::isUndefined ( const QUntypedPropertyBinding & binding)
inlinestatic

Definition at line 107 of file qqmlpropertybinding_p.h.

◆ jsExpression() [1/2]

QQmlPropertyBindingJS * QQmlPropertyBinding::jsExpression ( )
inline

Definition at line 71 of file qqmlpropertybinding_p.h.

◆ jsExpression() [2/2]

QQmlPropertyBindingJS const * QQmlPropertyBinding::jsExpression ( ) const
inline

Definition at line 76 of file qqmlpropertybinding_p.h.

◆ QQmlPropertyBindingJS

friend class QQmlPropertyBindingJS
friend

Definition at line 60 of file qqmlpropertybinding_p.h.

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