QWaylandTouch Class

The QWaylandTouch class provides access to a touch device. 更多...

头：	#include <QWaylandTouch>
qmake:	QT += waylandcompositor
Since:	Qt 5.8
继承：	QWaylandObject

公共函数

	QWaylandTouch (QWaylandSeat * seat , QObject * parent = nullptr)
QWaylandCompositor *	compositor () const
QWaylandSeat *	seat () const
virtual void	sendCancelEvent (QWaylandClient * client )
virtual void	sendFrameEvent (QWaylandClient * client )
virtual void	sendFullTouchEvent (QWaylandSurface * surface , QTouchEvent * event )
virtual uint	sendTouchPointEvent (QWaylandSurface * surface , int id , const QPointF & position , Qt::TouchPointState state )

31 公共函数继承自 QObject

静态公共成员

const QMetaObject

staticMetaObject

9 静态公共成员继承自 QObject

额外继承成员

1 特性继承自 QObject
1 公共槽继承自 QObject
2 信号继承自 QObject
9 保护函数继承自 QObject

详细描述

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.

成员函数文档编制

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

构造 QWaylandTouch 为 seat and with the given parent .

QWaylandCompositor *QWaylandTouch:: compositor () const

Returns the compositor for this QWaylandTouch .

QWaylandSeat *QWaylandTouch:: seat () const

Returns the input device for this QWaylandTouch .

`[虚拟]` void QWaylandTouch:: sendCancelEvent ( QWaylandClient * client )

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

`[虚拟]` void QWaylandTouch:: sendFrameEvent ( QWaylandClient * client )

Sends a touch frame event to the touch device of a client . This indicates the end of a contact point list.

`[虚拟]` void QWaylandTouch:: sendFullTouchEvent ( QWaylandSurface * surface , QTouchEvent * event )

Sends all touch points in event 到指定 surface , followed by a touch frame event.

另请参阅 sendTouchPointEvent () 和 sendFrameEvent ().

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

Sends a touch point event to the touch device of surface 采用给定 id , position ，和 state .

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

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