QIOSEventDispatcher Class Reference

#include <qioseventdispatcher.h>

Inheritance diagram for QIOSEventDispatcher:

Collaboration diagram for QIOSEventDispatcher:

Public Member Functions
bool	processPostedEvents () override
	Override of the CoreFoundation posted events runloop source callback so that we can send window system (QPA) events in addition to sending normal Qt events.
Public Member Functions inherited from QEventDispatcherCoreFoundation
	QEventDispatcherCoreFoundation (QObject *parent=nullptr)
void	startingUp () override
	~QEventDispatcherCoreFoundation ()
bool	processEvents (QEventLoop::ProcessEventsFlags flags) override
	Processes pending events that match flags until there are no more events to process.
void	registerSocketNotifier (QSocketNotifier *notifier) override
	Registers notifier with the event loop.
void	unregisterSocketNotifier (QSocketNotifier *notifier) override
	Unregisters notifier from the event dispatcher.
void	registerTimer (int timerId, qint64 interval, Qt::TimerType timerType, QObject *object) override
	Register a timer with the specified timerId, interval, and timerType for the given object.
bool	unregisterTimer (int timerId) override
	Unregisters the timer with the given timerId.
bool	unregisterTimers (QObject *object) override
	Unregisters all the timers associated with the given object.
QList< QAbstractEventDispatcher::TimerInfo >	registeredTimers (QObject *object) const override
	Returns a list of registered timers for object.
int	remainingTime (int timerId) override
	Returns the remaining time in milliseconds with the given timerId.
void	wakeUp () override
	\threadsafe
void	interrupt () override
	Interrupts event dispatching.
Public Member Functions inherited from QAbstractEventDispatcher
	QAbstractEventDispatcher (QObject *parent=nullptr)
	Constructs a new event dispatcher with the given parent.
	~QAbstractEventDispatcher ()
	Destroys the event dispatcher.
virtual bool	processEvents (QEventLoop::ProcessEventsFlags flags)=0
	Processes pending events that match flags until there are no more events to process.
virtual void	registerSocketNotifier (QSocketNotifier *notifier)=0
	Registers notifier with the event loop.
virtual void	unregisterSocketNotifier (QSocketNotifier *notifier)=0
	Unregisters notifier from the event dispatcher.
int	registerTimer (qint64 interval, Qt::TimerType timerType, QObject *object)
	Registers a timer with the specified interval and timerType for the given object and returns the timer id.
virtual void	registerTimer (int timerId, qint64 interval, Qt::TimerType timerType, QObject *object)=0
	Register a timer with the specified timerId, interval, and timerType for the given object.
virtual bool	unregisterTimer (int timerId)=0
	Unregisters the timer with the given timerId.
virtual bool	unregisterTimers (QObject *object)=0
	Unregisters all the timers associated with the given object.
virtual QList< TimerInfo >	registeredTimers (QObject *object) const =0
	Returns a list of registered timers for object.
virtual int	remainingTime (int timerId)=0
	Returns the remaining time in milliseconds with the given timerId.
virtual void	wakeUp ()=0
	\threadsafe
virtual void	interrupt ()=0
	Interrupts event dispatching.
virtual void	startingUp ()
virtual void	closingDown ()
void	installNativeEventFilter (QAbstractNativeEventFilter *filterObj)
	\variable QAbstractEventDispatcher::TimerInfo::timerId
void	removeNativeEventFilter (QAbstractNativeEventFilter *filterObj)
	Removes the event filter filter from this object.
bool	filterNativeEvent (const QByteArray &eventType, void *message, qintptr *result)
	Sends message through the event filters that were set by installNativeEventFilter().
Public Member Functions inherited from QObject
Q_INVOKABLE	QObject (QObject *parent=nullptr)
	Constructs an object with parent object parent.
virtual	~QObject ()
	Destroys the object, deleting all its child objects.
virtual bool	event (QEvent *event)
	This virtual function receives events to an object and should return true if the event e was recognized and processed.
virtual bool	eventFilter (QObject *watched, QEvent *event)
	Filters events if this object has been installed as an event filter for the watched object.
QString	objectName () const
Q_WEAK_OVERLOAD void	setObjectName (const QString &name)
	Sets the object's name to name.
void	setObjectName (QAnyStringView name)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
QBindable< QString >	bindableObjectName ()
bool	isWidgetType () const
	Returns true if the object is a widget; otherwise returns false.
bool	isWindowType () const
	Returns true if the object is a window; otherwise returns false.
bool	isQuickItemType () const
	Returns true if the object is a QQuickItem; otherwise returns false.
bool	signalsBlocked () const noexcept
	Returns true if signals are blocked; otherwise returns false.
bool	blockSignals (bool b) noexcept
	If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it).
QThread *	thread () const
	Returns the thread in which the object lives.
void	moveToThread (QThread *thread)
	Changes the thread affinity for this object and its children.
int	startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer)
	This is an overloaded function that will start a timer of type timerType and a timeout of interval milliseconds.
int	startTimer (std::chrono::milliseconds time, Qt::TimerType timerType=Qt::CoarseTimer)
void	killTimer (int id)
	Kills the timer with timer identifier, id.
template<typename T >
T	findChild (const QString &aName=QString(), Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	Returns the child of this object that can be cast into type T and that is called name, or \nullptr if there is no such object.
template<typename T >
QList< T >	findChildren (const QString &aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects.
template<typename T >
QList< T >	findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
const QObjectList &	children () const
	Returns a list of child objects.
void	setParent (QObject *parent)
	Makes the object a child of parent.
void	installEventFilter (QObject *filterObj)
	Installs an event filter filterObj on this object.
void	removeEventFilter (QObject *obj)
	Removes an event filter object obj from this object.
QMetaObject::Connection	connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
bool	disconnect (const char *signal=nullptr, const QObject *receiver=nullptr, const char *member=nullptr) const
bool	disconnect (const QObject *receiver, const char *member=nullptr) const
void	dumpObjectTree () const
	Dumps a tree of children to the debug output.
void	dumpObjectInfo () const
	Dumps information about signal connections, etc.
bool	setProperty (const char *name, const QVariant &value)
	Sets the value of the object's name property to value.
bool	setProperty (const char *name, QVariant &&value)
QVariant	property (const char *name) const
	Returns the value of the object's name property.
QList< QByteArray >	dynamicPropertyNames () const
QBindingStorage *	bindingStorage ()
const QBindingStorage *	bindingStorage () const
QObject *	parent () const
	Returns a pointer to the parent object.
bool	inherits (const char *classname) const
	Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false.

Static Public Member Functions
static QIOSEventDispatcher *	create ()
Static Public Member Functions inherited from QAbstractEventDispatcher
static QAbstractEventDispatcher *	instance (QThread *thread=nullptr)
	Returns a pointer to the event dispatcher object for the specified thread.
Static Public Member Functions inherited from QObject
static QMetaObject::Connection	connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
	\threadsafe
static QMetaObject::Connection	connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
template<typename Func1 , typename Func2 >
static QMetaObject::Connection	connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::ContextTypeForFunctor< Func2 >::ContextType *context, Func2 &&slot, Qt::ConnectionType type=Qt::AutoConnection)
template<typename Func1 , typename Func2 >
static QMetaObject::Connection	connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 &&slot)
static bool	disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
	\threadsafe
static bool	disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
static bool	disconnect (const QMetaObject::Connection &)
	Disconnect a connection.
template<typename Func1 , typename Func2 >
static bool	disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiver, Func2 slot)
template<typename Func1 >
static bool	disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const QObject *receiver, void **zero)

Protected Member Functions
	QIOSEventDispatcher (QObject *parent=nullptr)
Protected Member Functions inherited from QEventDispatcherCoreFoundation
QEventLoop *	currentEventLoop () const
virtual bool	processPostedEvents ()
Protected Member Functions inherited from QAbstractEventDispatcher
	QAbstractEventDispatcher (QAbstractEventDispatcherPrivate &, QObject *parent)
Protected Member Functions inherited from QObject
QObject *	sender () const
	Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns \nullptr.
int	senderSignalIndex () const
int	receivers (const char *signal) const
	Returns the number of receivers connected to the signal.
bool	isSignalConnected (const QMetaMethod &signal) const
virtual void	timerEvent (QTimerEvent *event)
	This event handler can be reimplemented in a subclass to receive timer events for the object.
virtual void	childEvent (QChildEvent *event)
	This event handler can be reimplemented in a subclass to receive child events.
virtual void	customEvent (QEvent *event)
	This event handler can be reimplemented in a subclass to receive custom events.
virtual void	connectNotify (const QMetaMethod &signal)
virtual void	disconnectNotify (const QMetaMethod &signal)
	QObject (QObjectPrivate &dd, QObject *parent=nullptr)

Additional Inherited Members
Public Slots inherited from QObject
void	deleteLater ()
	\threadsafe
Signals inherited from QAbstractEventDispatcher
void	aboutToBlock ()
	This signal is emitted before the event loop calls a function that could block.
void	awake ()
	This signal is emitted after the event loop returns from a function that could block.
Signals inherited from QObject
void	destroyed (QObject *=nullptr)
	This signal is emitted immediately before the object obj is destroyed, after any instances of QPointer have been notified, and cannot be blocked.
void	objectNameChanged (const QString &objectName, QPrivateSignal)
	This signal is emitted after the object's name has been changed.
Protected Attributes inherited from QEventDispatcherCoreFoundation
ProcessEventsState	m_processEvents
Protected Attributes inherited from QObject
QScopedPointer< QObjectData >	d_ptr
Properties inherited from QObject
QString	objectName
	the name of this object
Related Symbols inherited from QObject
template< class T > T	qobject_cast (const QObject *object)
	Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr.
template< typename T > T	qFindChildqFindChildren (const QObject *obj, const QString &name)()
template< typename T > QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()
	QObjectList
	\macro Q_CLASSINFO(Name, Value)

Detailed Description

Definition at line 11 of file qioseventdispatcher.h.

Constructor & Destructor Documentation

QIOSEventDispatcher()

QIOSEventDispatcher::QIOSEventDispatcher ( QObject *  parent = nullptr )

explicitprotected

Definition at line 420 of file qioseventdispatcher.mm.

References QWindowSystemInterface::setSynchronousWindowSystemEvents().

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Member Function Documentation

create()

QT_BEGIN_NAMESPACE QT_USE_NAMESPACE QIOSEventDispatcher * QIOSEventDispatcher::create ( )

static

Definition at line 412 of file qioseventdispatcher.mm.

References isQtApplication(), and rootLevelRunLoopIntegration().

Referenced by QIOSIntegration::createEventDispatcher().

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processPostedEvents()

bool QIOSEventDispatcher::processPostedEvents ( )

overridevirtual

Override of the CoreFoundation posted events runloop source callback so that we can send window system (QPA) events in addition to sending normal Qt events.

Reimplemented from QEventDispatcherCoreFoundation.

Definition at line 432 of file qioseventdispatcher.mm.

References QEventDispatcherCoreFoundation::ProcessEventsState::flags, QBasicAtomicInteger< T >::loadRelaxed(), QEventDispatcherCoreFoundation::m_processEvents, QEventDispatcherCoreFoundation::processPostedEvents(), qCDebug, QT_APPLE_SCOPED_LOG_ACTIVITY, and QWindowSystemInterface::sendWindowSystemEvents().

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

• qtbase/src/plugins/platforms/ios/qioseventdispatcher.h
• qtbase/src/plugins/platforms/ios/qioseventdispatcher.mm