The parameter given with the gestureStarted signal. 更多...
| 导入语句： | import QtQuick 2.15 |
The GestureEvent object has the current touch points, which you may choose to interpret as a gesture, and an invokable method to grab the involved points exclusively.
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dragThreshold : real |
This property holds the system setting for the distance a finger must move before it is interpreted as a drag. It comes from QStyleHints::startDragDistance() .
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touchPoints : list < TouchPoint > |
This property holds the set of current touch points.
Acquires an exclusive grab of the mouse and all the touchPoints , and calls setKeepTouchGrab() and setKeepMouseGrab() so that any parent Item that 过滤 its children's events will not be allowed to take over the grabs.
