\inmodule QtWaylandCompositor More...

#include <qwaylandtouch.h>

Inheritance diagram for QWaylandTouch:

Collaboration diagram for QWaylandTouch:

Public Member Functions
	QWaylandTouch (QWaylandSeat seat, QObject parent=nullptr)
	Constructs a QWaylandTouch for the seat and with the given parent.

QWaylandSeat *	seat () const
	Returns the input device for this QWaylandTouch.

QWaylandCompositor *	compositor () const
	Returns the compositor for this QWaylandTouch.

virtual uint	sendTouchPointEvent (QWaylandSurface *surface, int id, const QPointF &position, Qt::TouchPointState state)
	Sends a touch point event to the touch device of surface with the given id, position, and state.

virtual void	sendFrameEvent (QWaylandClient *client)
	Sends a touch frame event to the touch device of a client.

virtual void	sendCancelEvent (QWaylandClient *client)
	Sends a touch cancel event to the touch device of a client.

virtual void	sendFullTouchEvent (QWaylandSurface surface, QTouchEvent event)
	Sends all touch points in event to the specified surface, followed by a touch frame event.

virtual void	addClient (QWaylandClient *client, uint32_t id, uint32_t version)

Public Member Functions inherited from QWaylandObject
	~QWaylandObject () override

QWaylandCompositorExtension *	extension (const QByteArray &name)
	Returns the compositor extension which matches name if one has been registered with the QWaylandObject.

QWaylandCompositorExtension *	extension (const wl_interface *interface)
	Returns the compositor extension which matches interface if one has been registered with the QWaylandObject.

QList< QWaylandCompositorExtension * >	extensions () const
	Returns the list of compositor extensions that have been registered with this QWaylandObject.

void	addExtension (QWaylandCompositorExtension *extension)
	Registers extension with this QWaylandObject.

void	removeExtension (QWaylandCompositorExtension *extension)
	Removes extension from the list of registered extensions in this QWaylandObject, if it has previously been registered using \l{addExtension()}.

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`.

Additional Inherited Members
Public Slots inherited from QObject
void	deleteLater ()
	\threadsafe

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.

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 inherited from QWaylandObject
	QWaylandObject (QObject *parent=nullptr)
	Creates a QWaylandObject as a child of parent.

	QWaylandObject (QObjectPrivate &d, QObject *parent=nullptr)

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)

Protected Attributes inherited from QWaylandObject
QList< QWaylandCompositorExtension * >	extension_vector

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

\inmodule QtWaylandCompositor

Since: 5.8

The QWaylandTouch class provides access to a touch device.

This class provides access to the touch device in a QWaylandSeat. It corresponds to the Wayland interface wl_touch.

Definition at line 23 of file qwaylandtouch.h.

Constructor & Destructor Documentation

◆ QWaylandTouch()

QWaylandTouch::QWaylandTouch	(	QWaylandSeat *	seat,
		QObject *	parent = `nullptr`
	)

Constructs a QWaylandTouch for the seat and with the given parent.

Definition at line 92 of file qwaylandtouch.cpp.

Member Function Documentation

◆ addClient()

void QWaylandTouch::addClient	(	QWaylandClient *	client,
		uint32_t	id,
		uint32_t	version
	)

virtual

Definition at line 207 of file qwaylandtouch.cpp.

References QWaylandClient::client(), and d.

Referenced by QWaylandSeatPrivate::seat_get_touch().

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◆ compositor()

QWaylandCompositor * QWaylandTouch::compositor ( ) const

Returns the compositor for this QWaylandTouch.

Definition at line 109 of file qwaylandtouch.cpp.

References d.

Referenced by sendTouchPointEvent().

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◆ seat()

QWaylandSeat * QWaylandTouch::seat ( ) const

Returns the input device for this QWaylandTouch.

Definition at line 100 of file qwaylandtouch.cpp.

References d.

◆ sendCancelEvent()

void QWaylandTouch::sendCancelEvent ( QWaylandClient * client )

virtual

Sends a touch cancel event to the touch device of a client.

Definition at line 162 of file qwaylandtouch.cpp.

References QWaylandClient::client(), and d.

Referenced by sendFullTouchEvent().

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◆ sendFrameEvent()

void QWaylandTouch::sendFrameEvent ( QWaylandClient * client )

virtual

Sends a touch frame event to the touch device of a client.

This indicates the end of a contact point list.

Definition at line 151 of file qwaylandtouch.cpp.

References QWaylandClient::client(), and d.

Referenced by sendFullTouchEvent().

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◆ sendFullTouchEvent()

void QWaylandTouch::sendFullTouchEvent	(	QWaylandSurface *	surface,
		QTouchEvent *	event
	)

virtual

Sends all touch points in event to the specified surface, followed by a touch frame event.

See also: sendTouchPointEvent(), sendFrameEvent()

Definition at line 176 of file qwaylandtouch.cpp.

References QWaylandSurface::client, d, ext, QWaylandCompositorExtensionTemplate< TouchExtensionGlobal >::findIn(), i, QEventPoint::id, QEventPoint::position, QEventPoint::Released, sendCancelEvent(), sendFrameEvent(), sendTouchPointEvent(), QList< T >::size(), QEventPoint::state, and QEvent::TouchCancel.

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◆ sendTouchPointEvent()

uint QWaylandTouch::sendTouchPointEvent	(	QWaylandSurface *	surface,
		int	id,
		const QPointF &	position,
		Qt::TouchPointState	state
	)

virtual

Sends a touch point event to the touch device of surface with the given id, position, and state.

Returns the serial of the down or up event if sent, otherwise 0.

Definition at line 121 of file qwaylandtouch.cpp.

References QWaylandSurface::client, compositor(), d, position(), state, time, Qt::TouchPointMoved, Qt::TouchPointPressed, Qt::TouchPointReleased, Qt::TouchPointStationary, and Qt::TouchPointUnknownState.

Referenced by sendFullTouchEvent().

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

qtwayland/src/compositor/compositor_api/qwaylandtouch.h
qtwayland/src/compositor/compositor_api/qwaylandtouch.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QWaylandTouch()

Member Function Documentation

◆ addClient()

◆ compositor()

◆ seat()

◆ sendCancelEvent()

◆ sendFrameEvent()

◆ sendFullTouchEvent()

◆ sendTouchPointEvent()