内容

• 公共函数
• 详细描述

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

• 所有成员列表，包括继承成员

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 )

• 5 public functions inherited from QWaylandObject
• 32 公共函数继承自 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
• 11 静态公共成员继承自 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.