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Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
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Public Member Functions | Static Public Member Functions | Public Attributes | List of all members
QQmlExpressionPrivate Class Reference

#include <qqmlexpression_p.h>

+ Inheritance diagram for QQmlExpressionPrivate:
+ Collaboration diagram for QQmlExpressionPrivate:

Public Member Functions

 QQmlExpressionPrivate ()
 
 ~QQmlExpressionPrivate () override
 
void init (const QQmlRefPointer< QQmlContextData > &, const QString &, QObject *)
 
void init (const QQmlRefPointer< QQmlContextData > &, QV4::Function *runtimeFunction, QObject *)
 
QVariant value (bool *isUndefined=nullptr)
 
QV4::ReturnedValue v4value (bool *isUndefined=nullptr)
 
bool mustCaptureBindableProperty () const final
 
void _q_notify ()
 
QString expressionIdentifier () const override
 
void expressionChanged () override
 
- Public Member Functions inherited from QObjectPrivate
void ensureExtraData ()
 
 QObjectPrivate (int version=QObjectPrivateVersion)
 
virtual ~QObjectPrivate ()
 
void deleteChildren ()
 
void clearBindingStorage ()
 
void checkForIncompatibleLibraryVersion (int version) const
 
void setParent_helper (QObject *)
 
void moveToThread_helper ()
 
void setThreadData_helper (QThreadData *currentData, QThreadData *targetData, QBindingStatus *status)
 
QObjectList receiverList (const char *signal) const
 
void ensureConnectionData ()
 
void addConnection (int signal, Connection *c)
 
int signalIndex (const char *signalName, const QMetaObject **meta=nullptr) const
 
bool isSignalConnected (uint signalIdx, bool checkDeclarative=true) const
 
bool maybeSignalConnected (uint signalIndex) const
 
bool isDeclarativeSignalConnected (uint signalIdx) const
 
void connectNotify (const QMetaMethod &signal)
 
void disconnectNotify (const QMetaMethod &signal)
 
void reinitBindingStorageAfterThreadMove ()
 
virtual std::string flagsForDumping () const
 
virtual void writeToDebugStream (QDebug &) const
 
QtPrivate::QPropertyAdaptorSlotObject * getPropertyAdaptorSlotObject (const QMetaProperty &property)
 
- Public Member Functions inherited from QObjectData
 QObjectData ()=default
 
virtual ~QObjectData ()=0
 
QMetaObject * dynamicMetaObject () const
 
- Public Member Functions inherited from QQmlJavaScriptExpression
 QQmlJavaScriptExpression ()
 
virtual ~QQmlJavaScriptExpression ()
 
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)
 
virtual QQmlSourceLocation sourceLocation () const
 
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
 
virtual void refresh ()
 
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)
 

Static Public Member Functions

static QQmlExpressionPrivate * get (QQmlExpression *expr)
 
static QQmlExpression * get (QQmlExpressionPrivate *expr)
 
- Static Public Member Functions inherited from QObjectPrivate
static bool removeConnection (Connection *c)
 
static QObjectPrivate * get (QObject *o)
 
static const QObjectPrivate * get (const QObject *o)
 
template<typename Func1 , typename Func2 >
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiverPrivate, Func2 slot, Qt::ConnectionType type=Qt::AutoConnection)
 
template<typename Func1 , typename Func2 >
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiverPrivate, Func2 slot)
 
static QMetaObject::Connection connectImpl (const QObject *sender, int signal_index, const QObject *receiver, void **slot, QtPrivate::QSlotObjectBase *slotObj, int type, const int *types, const QMetaObject *senderMetaObject)
 
static QMetaObject::Connection connect (const QObject *sender, int signal_index, QtPrivate::QSlotObjectBase *slotObj, Qt::ConnectionType type)
 
static QMetaObject::Connection connect (const QObject *sender, int signal_index, const QObject *receiver, QtPrivate::QSlotObjectBase *slotObj, Qt::ConnectionType type)
 
static bool disconnect (const QObject *sender, int signal_index, void **slot)
 
static bool disconnect (const QObject *sender, int signal_index, const QObject *receiver, void **slot)
 
- 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)
 

Public Attributes

bool expressionFunctionValid:1
 
QString expression
 
QString url
 
quint16 line
 
quint16 column
 
QString name
 
- Public Attributes inherited from QObjectPrivate
ExtraData * extraData
 
QAtomicPointer< QThreadData > threadData
 
QAtomicPointer< ConnectionData > connections
 
union { 
 
   QObject *   currentChildBeingDeleted 
 
   QAbstractDeclarativeData *   declarativeData 
 
};  
 
QAtomicPointer< QtSharedPointer::ExternalRefCountData > sharedRefcount
 
- Public Attributes inherited from QObjectData
QObject * q_ptr
 
QObject * parent
 
QObjectList children
 
uint isWidget: 1
 
uint blockSig: 1
 
uint wasDeleted: 1
 
uint isDeletingChildren: 1
 
uint sendChildEvents: 1
 
uint receiveChildEvents: 1
 
uint isWindow: 1
 
uint deleteLaterCalled: 1
 
uint isQuickItem: 1
 
uint willBeWidget: 1
 
uint wasWidget: 1
 
uint receiveParentEvents: 1
 
uint unused: 20
 
QAtomicInt postedEvents
 
QDynamicMetaObjectData * metaObject
 
QBindingStorage bindingStorage
 

Additional Inherited Members

- Public Types inherited from QObjectPrivate
typedef void(* StaticMetaCallFunction) (QObject *, QMetaObject::Call, int, void **)
 
using ConnectionDataPointer = QExplicitlySharedDataPointer<ConnectionData>
 
- Protected Types inherited from QQmlJavaScriptExpression
enum  GuardTag { NoGuardTag , NotifyOnValueChanged }
 
enum  Tag { NoTag , InEvaluationLoop }
 
- 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 Attributes inherited from QQmlJavaScriptExpression
QBiPointer< QObject, DeleteWatcher > m_scopeObject
 
QForwardFieldList< QQmlJavaScriptExpressionGuard, &QQmlJavaScriptExpressionGuard::next, GuardTag > activeGuards
 
QTaggedPointer< QQmlDelayedError, Tag > m_error
 
TriggerList * qpropertyChangeTriggers = nullptr
 

Detailed Description

Definition at line 28 of file qqmlexpression_p.h.

Constructor & Destructor Documentation

◆ QQmlExpressionPrivate()

QT_BEGIN_NAMESPACE QQmlExpressionPrivate::QQmlExpressionPrivate ( )

Definition at line 17 of file qqmlexpression.cpp.

◆ ~QQmlExpressionPrivate()

QQmlExpressionPrivate::~QQmlExpressionPrivate ( )
override

Definition at line 24 of file qqmlexpression.cpp.

Member Function Documentation

◆ _q_notify()

void QQmlExpressionPrivate::_q_notify ( )

◆ expressionChanged()

void QQmlExpressionPrivate::expressionChanged ( )
overridevirtual

Implements QQmlJavaScriptExpression.

Definition at line 408 of file qqmlexpression.cpp.

References emit.

◆ expressionIdentifier()

QString QQmlExpressionPrivate::expressionIdentifier ( ) const
overridevirtual

Reimplemented from QQmlJavaScriptExpression.

Definition at line 414 of file qqmlexpression.cpp.

References expression.

◆ get() [1/2]

QQmlExpressionPrivate * QQmlExpressionPrivate::get ( QQmlExpression * expr)
inlinestatic

Definition at line 63 of file qqmlexpression_p.h.

References QObjectPrivate::get().

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◆ get() [2/2]

QQmlExpression * QQmlExpressionPrivate::get ( QQmlExpressionPrivate * expr)
inlinestatic

Definition at line 68 of file qqmlexpression_p.h.

◆ init() [1/2]

void QQmlExpressionPrivate::init ( const QQmlRefPointer< QQmlContextData > & ctxt,
const QString & expr,
QObject * me )

Definition at line 28 of file qqmlexpression.cpp.

References expression, expressionFunctionValid, QQmlJavaScriptExpression::setContext(), and QQmlJavaScriptExpression::setScopeObject().

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◆ init() [2/2]

void QQmlExpressionPrivate::init ( const QQmlRefPointer< QQmlContextData > & ctxt,
QV4::Function * runtimeFunction,
QObject * me )

Definition at line 38 of file qqmlexpression.cpp.

References QV4::QmlContext::create(), QQmlJavaScriptExpression::engine(), expressionFunctionValid, qmlContext(), QQmlEngine::rootContext(), QQmlJavaScriptExpression::setContext(), QQmlJavaScriptExpression::setScopeObject(), and QQmlJavaScriptExpression::setupFunction().

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◆ mustCaptureBindableProperty()

bool QQmlExpressionPrivate::mustCaptureBindableProperty ( ) const
inlinefinalvirtual

Reimplemented from QQmlJavaScriptExpression.

Definition at line 42 of file qqmlexpression_p.h.

◆ v4value()

QV4::ReturnedValue QQmlExpressionPrivate::v4value ( bool * isUndefined = nullptr)

Definition at line 220 of file qqmlexpression.cpp.

References QQmlJavaScriptExpression::context(), QQmlJavaScriptExpression::createQmlBinding(), evaluate(), expression, expressionFunctionValid, QQmlJavaScriptExpression::hasError(), line, QQmlJavaScriptExpression::scopeObject(), QV4::Encode::undefined(), and url.

Referenced by value().

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◆ value()

QVariant QQmlExpressionPrivate::value ( bool * isUndefined = nullptr)

Definition at line 235 of file qqmlexpression.cpp.

References QQmlEnginePrivate::dereferenceScarceResources(), QQmlJavaScriptExpression::engine(), QQmlEnginePrivate::get(), QJSEngine::handle(), QQmlJavaScriptExpression::hasError(), QQmlJavaScriptExpression::hasValidContext(), qWarning, QQmlEnginePrivate::referenceScarceResources(), QV4::ExecutionEngine::toVariant(), and v4value().

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Member Data Documentation

◆ column

quint16 QQmlExpressionPrivate::column

Definition at line 59 of file qqmlexpression_p.h.

◆ expression

QString QQmlExpressionPrivate::expression

Definition at line 55 of file qqmlexpression_p.h.

Referenced by expressionIdentifier(), init(), and v4value().

◆ expressionFunctionValid

bool QQmlExpressionPrivate::expressionFunctionValid

Definition at line 49 of file qqmlexpression_p.h.

Referenced by init(), init(), and v4value().

◆ line

quint16 QQmlExpressionPrivate::line

Definition at line 58 of file qqmlexpression_p.h.

Referenced by v4value().

◆ name

QString QQmlExpressionPrivate::name

Definition at line 60 of file qqmlexpression_p.h.

◆ url

QString QQmlExpressionPrivate::url

Definition at line 57 of file qqmlexpression_p.h.

Referenced by v4value().

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