#include "qobject.h"
#include "qobject_p.h"
#include "qobject_p_p.h"
#include "qmetaobject_p.h"
#include "qabstracteventdispatcher.h"
#include "qabstracteventdispatcher_p.h"
#include "qcoreapplication.h"
#include "qcoreapplication_p.h"
#include "qcoreevent_p.h"
#include "qloggingcategory.h"
#include "qvariant.h"
#include "qmetaobject.h"
#include <qthread.h>
#include <private/qthread_p.h>
#include <qdebug.h>
#include <qpair.h>
#include <qvarlengtharray.h>
#include <qscopeguard.h>
#include <qset.h>
#include <private/qorderedmutexlocker_p.h>
#include <private/qhooks_p.h>
#include <qtcore_tracepoints_p.h>
#include <new>
#include <mutex>
#include <memory>
#include <ctype.h>
#include <limits.h>
#include "moc_qobject.cpp"

Include dependency graph for qobject.cpp:

Classes
struct	SlotObjectGuard

Functions
QT_BEGIN_NAMESPACE	Q_TRACE_POINT (qtcore, QObject_ctor, QObject *object)

	Q_TRACE_POINT (qtcore, QObject_dtor, QObject *object)

	Q_TRACE_POINT (qtcore, QMetaObject_activate_entry, QObject *sender, int signalIndex)

	Q_TRACE_POINT (qtcore, QMetaObject_activate_exit)

	Q_TRACE_POINT (qtcore, QMetaObject_activate_slot_entry, QObject *receiver, int slotIndex)

	Q_TRACE_POINT (qtcore, QMetaObject_activate_slot_exit)

	Q_TRACE_POINT (qtcore, QMetaObject_activate_slot_functor_entry, void *slotObject)

	Q_TRACE_POINT (qtcore, QMetaObject_activate_slot_functor_exit)

	Q_TRACE_POINT (qtcore, QMetaObject_activate_declarative_signal_entry, QObject *sender, int signalIndex)

	Q_TRACE_POINT (qtcore, QMetaObject_activate_declarative_signal_exit)

void	qt_register_signal_spy_callbacks (QSignalSpyCallbackSet *callback_set)

static int *	queuedConnectionTypes (const QMetaMethod &method)

static int *	queuedConnectionTypes (const QArgumentType *argumentTypes, int argc)

static QBasicMutex *	signalSlotLock (const QObject *o)

static void	computeOffsets (const QMetaObject metaobject, int signalOffset, int *methodOffset)

static bool	check_parent_thread (QObject parent, QThreadData parentThreadData, QThreadData *currentThreadData)

static void	qt_qFindChildren_with_name (const QObject parent, const QString &name, const QMetaObject &mo, QList< void > *list, Qt::FindChildOptions options)

void	qt_qFindChildren_helper (const QObject parent, const QString &name, const QMetaObject &mo, QList< void > *list, Qt::FindChildOptions options)

void	qt_qFindChildren_helper (const QObject parent, const QMetaObject &mo, QList< void > *list, Qt::FindChildOptions options)

QObject *	qt_qFindChild_helper (const QObject *parent, const QString &name, const QMetaObject &mo, Qt::FindChildOptions options)

const char *	qFlagLocation (const char *method)

static int	extract_code (const char *member)

static const char *	extract_location (const char *member)

static bool	check_signal_macro (const QObject sender, const char signal, const char func, const char op)

static bool	check_method_code (int code, const QObject object, const char method, const char *func)

static Q_DECL_COLD_FUNCTION void	err_method_notfound (const QObject object, const char method, const char *func)

static Q_DECL_COLD_FUNCTION void	err_info_about_objects (const char func, const QObject sender, const QObject *receiver)

static void	check_and_warn_compat (const QMetaObject sender, const QMetaMethod &signal, const QMetaObject receiver, const QMetaMethod &method)

static int	methodIndexToSignalIndex (const QMetaObject **base, int signal_index)

static QByteArray	formatConnectionSignature (const char *className, const QMetaMethod &method)

static QByteArray	msgConnect (const QMetaObject senderMo, const QByteArray &senderName, const QMetaMethod &signal, const QObject receiver, int receiverIndex)

static void	queued_activate (QObject sender, int signal, QObjectPrivate::Connection c, void **argv)

template<bool callbacks_enabled>
void	doActivate (QObject sender, int signal_index, void *argv)

static void	dumpRecursive (int level, const QObject *object)

QDebug	operator<< (QDebug dbg, const QObject *o)

void	qDeleteInEventHandler (QObject *o)

static void	connectWarning (const QObject sender, const QMetaObject senderMetaObject, const QObject receiver, const char message)

Variables
static int	DIRECT_CONNECTION_ONLY = 0

Q_CORE_EXPORT QBasicAtomicPointer< QSignalSpyCallbackSet >	qt_signal_spy_callback_set = Q_BASIC_ATOMIC_INITIALIZER(nullptr)

static Q_CONSTINIT QBasicMutex	_q_ObjectMutexPool [131]

Function Documentation

◆ check_and_warn_compat()

static void check_and_warn_compat	(	const QMetaObject *	sender,
		const QMetaMethod &	signal,
		const QMetaObject *	receiver,
		const QMetaMethod &	method
	)

inlinestatic

Definition at line 2736 of file qobject.cpp.

References QMetaObject::className(), QMetaMethod::Compatibility, method, qCWarning, QMetaMethod::Signal, and signal.

Referenced by QObject::connect(), and QObject::connect().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ check_method_code()

static bool check_method_code	(	int	code,
		const QObject *	object,
		const char *	method,
		const char *	func
	)

static

Definition at line 2458 of file qobject.cpp.

References method, qCWarning, QSIGNAL_CODE, and QSLOT_CODE.

Referenced by QObject::connect(), and QObject::disconnect().

Here is the caller graph for this function:

◆ check_parent_thread()

static bool check_parent_thread	(	QObject *	parent,
		QThreadData *	parentThreadData,
		QThreadData *	currentThreadData
	)

static

Definition at line 875 of file qobject.cpp.

References QBasicAtomicPointer< X >::loadAcquire(), parent, qWarning, and QThreadData::thread.

Referenced by QObject::QObject().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ check_signal_macro()

static bool check_signal_macro	(	const QObject *	sender,
		const char *	signal,
		const char *	func,
		const char *	op
	)

static

Definition at line 2442 of file qobject.cpp.

References extract_code(), qCWarning, QSIGNAL_CODE, QSLOT_CODE, and signal.

Referenced by QObject::connect(), QObject::disconnect(), and QObject::receivers().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ computeOffsets()

static void computeOffsets	(	const QMetaObject *	metaobject,
		int *	signalOffset,
		int *	methodOffset
	)

static

For a given metaobject, compute the signal offset, and the method offset (including signals)

Definition at line 216 of file qobject.cpp.

References d, QMetaObject::d, QMetaObjectPrivate::get(), Q_ASSERT, and QMetaObject::Data::superdata.

Referenced by QMetaObjectPrivate::memberIndexes(), and methodIndexToSignalIndex().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ connectWarning()

static void connectWarning	(	const QObject *	sender,
		const QMetaObject *	senderMetaObject,
		const QObject *	receiver,
		const char *	message
	)

static

Definition at line 5070 of file qobject.cpp.

References QMetaObject::className(), and qCWarning.

Referenced by QObjectPrivate::connectImpl().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ doActivate()

template<bool callbacks_enabled>

void doActivate	(	QObject *	sender,
		int	signal_index,
		void **	argv
	)

Definition at line 3857 of file qobject.cpp.

References QSemaphore::acquire(), QObjectPrivate::SignalVector::at(), Qt::AutoConnection, Qt::BlockingQueuedConnection, QObjectPrivate::connections, QThread::currentThreadId(), QList< T >::first(), QObjectPrivate::get(), QMetaObject::InvokeMetaMethod, list, QBasicAtomicPointer< X >::loadRelaxed(), lock, QMetaObject::metacall(), method, QCoreApplication::postEvent(), Q_ASSERT, Q_HAS_TRACEPOINTS, Q_TRACE_SCOPE, qt_signal_spy_callback_set, queued_activate(), Qt::QueuedConnection, qWarning, QObjectPrivate::removeConnection(), QSignalSpyCallbackSet::signal_begin_callback, QSignalSpyCallbackSet::signal_end_callback, QAbstractDeclarativeData::signalEmitted, signalSlotLock(), QSignalSpyCallbackSet::slot_begin_callback, QSignalSpyCallbackSet::slot_end_callback, sp, QObjectPrivate::threadData, and QThreadData::threadId.

Here is the call graph for this function:

◆ dumpRecursive()

static void dumpRecursive	(	int	level,
		const QObject *	object
	)

static

Definition at line 4233 of file qobject.cpp.

References child, dumpRecursive(), QObjectPrivate::flagsForDumping(), QObjectPrivate::get(), qDebug, and qUtf16Printable.

Referenced by QObject::dumpObjectTree(), and dumpRecursive().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ err_info_about_objects()

static Q_DECL_COLD_FUNCTION void err_info_about_objects	(	const char *	func,
		const QObject *	sender,
		const QObject *	receiver
	)

static

Definition at line 2489 of file qobject.cpp.

References QObject::objectName, and qCWarning.

Referenced by QObject::connect(), and QObject::disconnect().

Here is the caller graph for this function:

◆ err_method_notfound()

static Q_DECL_COLD_FUNCTION void err_method_notfound	(	const QObject *	object,
		const char *	method,
		const char *	func
	)

static

Definition at line 2471 of file qobject.cpp.

References extract_code(), extract_location(), method, qCWarning, QSIGNAL_CODE, and QSLOT_CODE.

Referenced by QObject::connect(), QObject::disconnect(), and QObject::receivers().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ extract_code()

static int extract_code ( const char * member )

static

Definition at line 2425 of file qobject.cpp.

Referenced by check_signal_macro(), QObject::connect(), QObject::disconnect(), and err_method_notfound().

Here is the caller graph for this function:

◆ extract_location()

static const char * extract_location ( const char * member )

static

Definition at line 2431 of file qobject.cpp.

References qstrlen().

Referenced by err_method_notfound().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ formatConnectionSignature()

static QByteArray formatConnectionSignature	(	const char *	className,
		const QMetaMethod &	method
	)

static

Definition at line 3621 of file qobject.cpp.

References className, method, Q_ASSERT, and QByteArrayLiteral.

Referenced by msgConnect().

Here is the caller graph for this function:

◆ methodIndexToSignalIndex()

static int methodIndexToSignalIndex	(	const QMetaObject **	base,
		int	signal_index
	)

static

Definition at line 3391 of file qobject.cpp.

References base, computeOffsets(), QObjectData::metaObject, and QMetaObjectPrivate::originalClone().

Referenced by QMetaObject::connect(), QObjectPrivate::connect(), QMetaObject::disconnect(), QObjectPrivate::disconnect(), QMetaObject::disconnectOne(), and QObjectPrivate::getPropertyAdaptorSlotObject().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ msgConnect()

static QByteArray msgConnect	(	const QMetaObject *	senderMo,
		const QByteArray &	senderName,
		const QMetaMethod &	signal,
		const QObject *	receiver,
		int	receiverIndex
	)

static

Definition at line 3639 of file qobject.cpp.

References QMetaObject::className(), formatConnectionSignature(), QObject::objectName, QByteArrayLiteral, signal, and QString::toLatin1().

Referenced by QMetaObject::connectSlotsByName().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ operator<<()

QDebug operator<<	(	QDebug	dbg,
		const QObject *	o
	)

Definition at line 4336 of file qobject.cpp.

References o.

◆ Q_TRACE_POINT() [1/10]

Q_TRACE_POINT	(	qtcore	,
		QMetaObject_activate_declarative_signal_entry	,
		QObject *	sender,
		int	signalIndex
	)

◆ Q_TRACE_POINT() [2/10]

Q_TRACE_POINT	(	qtcore	,
		QMetaObject_activate_declarative_signal_exit
	)

◆ Q_TRACE_POINT() [3/10]

Q_TRACE_POINT	(	qtcore	,
		QMetaObject_activate_entry	,
		QObject *	sender,
		int	signalIndex
	)

◆ Q_TRACE_POINT() [4/10]

Q_TRACE_POINT	(	qtcore	,
		QMetaObject_activate_exit
	)

◆ Q_TRACE_POINT() [5/10]

Q_TRACE_POINT	(	qtcore	,
		QMetaObject_activate_slot_entry	,
		QObject *	receiver,
		int	slotIndex
	)

◆ Q_TRACE_POINT() [6/10]

Q_TRACE_POINT	(	qtcore	,
		QMetaObject_activate_slot_exit
	)

◆ Q_TRACE_POINT() [7/10]

Q_TRACE_POINT	(	qtcore	,
		QMetaObject_activate_slot_functor_entry	,
		void *	slotObject
	)

◆ Q_TRACE_POINT() [8/10]

Q_TRACE_POINT	(	qtcore	,
		QMetaObject_activate_slot_functor_exit
	)

◆ Q_TRACE_POINT() [9/10]

QT_BEGIN_NAMESPACE Q_TRACE_POINT	(	qtcore	,
		QObject_ctor	,
		QObject *	object
	)

◆ Q_TRACE_POINT() [10/10]

Q_TRACE_POINT	(	qtcore	,
		QObject_dtor	,
		QObject *	object
	)

◆ qDeleteInEventHandler()

void qDeleteInEventHandler ( QObject * o )

Definition at line 4876 of file qobject.cpp.

References o.

Referenced by QStatusBar::clearMessage(), QNativeSocketEngine::close(), QObject::event(), QWhatsThis::hideText(), and QSingleShotTimer::timerEvent().

Here is the caller graph for this function:

◆ qFlagLocation()

const char * qFlagLocation ( const char * method )

Definition at line 2419 of file qobject.cpp.

References method.

◆ qt_qFindChild_helper()

QObject * qt_qFindChild_helper	(	const QObject *	parent,
		const QString &	name,
		const QMetaObject &	mo,
		Qt::FindChildOptions	options
	)

Definition at line 2121 of file qobject.cpp.

References child, QObject::children(), Qt::FindChildrenRecursively, mo, QObjectData::parent, Q_ASSERT, and qt_qFindChild_helper().

Referenced by QObject::findChild(), and qt_qFindChild_helper().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qFindChildren_helper() [1/2]

void qt_qFindChildren_helper	(	const QObject *	parent,
		const QMetaObject &	mo,
		QList< void * > *	list,
		Qt::FindChildOptions	options
	)

Definition at line 2084 of file qobject.cpp.

References QList< T >::append(), QObject::children(), Qt::FindChildrenRecursively, list, mo, QObjectData::parent, Q_ASSERT, and qt_qFindChildren_helper().

Here is the call graph for this function:

◆ qt_qFindChildren_helper() [2/2]

void qt_qFindChildren_helper	(	const QObject *	parent,
		const QString &	name,
		const QMetaObject &	mo,
		QList< void * > *	list,
		Qt::FindChildOptions	options
	)

Definition at line 2072 of file qobject.cpp.

References list, mo, QObjectData::parent, qt_qFindChildren_helper(), and qt_qFindChildren_with_name().

Referenced by QObject::findChildren(), QObject::findChildren(), qt_qFindChildren_helper(), and qt_qFindChildren_helper().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qFindChildren_with_name()

static void qt_qFindChildren_with_name	(	const QObject *	parent,
		const QString &	name,
		const QMetaObject &	mo,
		QList< void * > *	list,
		Qt::FindChildOptions	options
	)

static

Definition at line 2054 of file qobject.cpp.

References QList< T >::append(), QObject::children(), Qt::FindChildrenRecursively, list, mo, QObjectData::parent, Q_ASSERT, and qt_qFindChildren_with_name().

Referenced by qt_qFindChildren_helper(), and qt_qFindChildren_with_name().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_register_signal_spy_callbacks()

void qt_register_signal_spy_callbacks ( QSignalSpyCallbackSet * callback_set )

Definition at line 64 of file qobject.cpp.

References qt_signal_spy_callback_set.

Referenced by QSignalDumper::endDump(), and QSignalDumper::startDump().

Here is the caller graph for this function:

◆ queued_activate()

static void queued_activate	(	QObject *	sender,
		int	signal,
		QObjectPrivate::Connection *	c,
		void **	argv
	)

static

signal must be in the signal index range (see QObjectPrivate::signalIndex()).

Definition at line 3792 of file qobject.cpp.

References QMetaCallEvent::args(), args, create(), DIRECT_CONNECTION_ONLY, QCoreApplication::postEvent(), queuedConnectionTypes(), QMutexLocker< Mutex >::relock(), QObjectPrivate::removeConnection(), QMetaObjectPrivate::signal(), signal, signalSlotLock(), QMetaCallEvent::types(), and QMutexLocker< Mutex >::unlock().

Referenced by doActivate().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ queuedConnectionTypes() [1/2]

static int * queuedConnectionTypes	(	const QArgumentType *	argumentTypes,
		int	argc
	)

static

Definition at line 105 of file qobject.cpp.

References QMetaType::fromName(), i, QMetaType::id(), qCWarning, and QArgumentType::type().

Here is the call graph for this function:

◆ queuedConnectionTypes() [2/2]

static int * queuedConnectionTypes ( const QMetaMethod & method )

static

Definition at line 77 of file qobject.cpp.

References QMetaType::flags(), i, QMetaType::id(), QMetaType::IsPointer, method, Q_CHECK_PTR(), qCWarning, and typeName.

Referenced by QObject::connect(), QObject::connect(), and queued_activate().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ signalSlotLock()

static QBasicMutex * signalSlotLock ( const QObject * o )

inlinestatic

mutex to be locked when accessing the connection lists or the senders list

Definition at line 136 of file qobject.cpp.

References _q_ObjectMutexPool, and o.

Referenced by QObject::~QObject(), QObjectPrivate::ConnectionData::cleanOrphanedConnectionsImpl(), QMetaObjectPrivate::connect(), QObjectPrivate::connectImpl(), QMetaObjectPrivate::disconnect(), QMetaObjectPrivate::disconnectHelper(), doActivate(), QObject::dumpObjectInfo(), QObject::event(), QObjectPrivate::isSender(), QObject::isSignalConnected(), QObject::moveToThread(), queued_activate(), QObject::receivers(), QObjectPrivate::removeConnection(), QObject::sender(), QObjectPrivate::senderList(), and QObject::senderSignalIndex().

Here is the caller graph for this function:

Variable Documentation

◆ _q_ObjectMutexPool

Q_CONSTINIT QBasicMutex _q_ObjectMutexPool[131]

static

Definition at line 130 of file qobject.cpp.

Referenced by signalSlotLock().

◆ DIRECT_CONNECTION_ONLY

int DIRECT_CONNECTION_ONLY = 0

static

Definition at line 57 of file qobject.cpp.

Referenced by QObjectPrivate::Connection::~Connection(), and queued_activate().

◆ qt_signal_spy_callback_set

Q_CORE_EXPORT QBasicAtomicPointer<QSignalSpyCallbackSet> qt_signal_spy_callback_set = Q_BASIC_ATOMIC_INITIALIZER(nullptr)

Definition at line 62 of file qobject.cpp.

Referenced by QMetaObject::activate(), QMetaObject::activate(), doActivate(), and qt_register_signal_spy_callbacks().

Classes

Functions

Variables

Function Documentation

◆ check_and_warn_compat()

◆ check_method_code()

◆ check_parent_thread()

◆ check_signal_macro()

◆ computeOffsets()

◆ connectWarning()

◆ doActivate()

◆ dumpRecursive()

◆ err_info_about_objects()

◆ err_method_notfound()

◆ extract_code()

◆ extract_location()

◆ formatConnectionSignature()

◆ methodIndexToSignalIndex()

◆ msgConnect()

◆ operator<<()

◆ Q_TRACE_POINT() [1/10]

◆ Q_TRACE_POINT() [2/10]

◆ Q_TRACE_POINT() [3/10]

◆ Q_TRACE_POINT() [4/10]

◆ Q_TRACE_POINT() [5/10]

◆ Q_TRACE_POINT() [6/10]

◆ Q_TRACE_POINT() [7/10]

◆ Q_TRACE_POINT() [8/10]

◆ Q_TRACE_POINT() [9/10]

◆ Q_TRACE_POINT() [10/10]

◆ qDeleteInEventHandler()

◆ qFlagLocation()

◆ qt_qFindChild_helper()

◆ qt_qFindChildren_helper() [1/2]

◆ qt_qFindChildren_helper() [2/2]

◆ qt_qFindChildren_with_name()

◆ qt_register_signal_spy_callbacks()

◆ queued_activate()

◆ queuedConnectionTypes() [1/2]

◆ queuedConnectionTypes() [2/2]

◆ signalSlotLock()

Variable Documentation

◆ _q_ObjectMutexPool

◆ DIRECT_CONNECTION_ONLY

◆ qt_signal_spy_callback_set