GestureEvent QML Type
与手势启动信号一起给出的参数。更多
| Import Statement: | import QtQuick |
属性
- dragThreshold : real
- touchPoints : list<TouchPoint>
方法
- grab()
详细说明
GestureEvent 对象包含当前的触摸点（您可以选择将其解释为手势）和一个可调用的方法，用于专门抓取相关点。
属性文档
dragThreshold : real |
该属性是系统对手指在被解释为拖动之前必须移动的距离的设置。它来自QStyleHints::startDragDistance()。
touchPoints : list<TouchPoint> |
该属性保存当前触摸点的集合。
方法文档
grab() |
获取对鼠标和所有touchPoints 的独家抓取，并调用setKeepTouchGrab() 和setKeepMouseGrab() 以防止任何filters 其子项事件的父项接管抓取。
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