The QWaylandTouch class provides access to a touch device. 更多...
| 头： | #include <QWaylandTouch> |
| qmake: | QT += waylandcompositor |
| Since: | Qt 5.8 |
| 继承： | QWaylandObject |
该类在 Qt 5.8 引入。
| 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 ) |
This class provides access to the touch device in a QWaylandSeat . It corresponds to the Wayland interface wl_touch.
Constructs a QWaylandTouch for the seat and with the given parent .
Returns the compositor for this QWaylandTouch .
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.