QGraphicsSceneMoveEvent ¶

概要 ¶

详细描述 ¶

A QGraphicsWidget sends itself a QGraphicsSceneMoveEvent immediately when its local position changes. The delivery is implemented as part of itemChange() .

It’s similar to QMoveEvent , but its positions, oldPos() and newPos() ，使用 QPointF 而不是 QPoint .

另请参阅

setPos() ItemPositionChange ItemPositionHasChanged

class QGraphicsSceneMoveEvent ¶

构造 QGraphicsSceneMoveEvent .

PySide2.QtWidgets.QGraphicsSceneMoveEvent. newPos ( ) ¶

返回类型

QPointF

Returns the new position (i.e., the current position).

另请参阅

oldPos() setPos()

PySide2.QtWidgets.QGraphicsSceneMoveEvent. oldPos ( ) ¶

返回类型

QPointF

Returns the old position (i.e., the position immediately before the widget was moved).

另请参阅

newPos() setPos()

PySide2.QtWidgets.QGraphicsSceneMoveEvent. setNewPos ( pos ) ¶

参数

pos – QPointF

另请参阅

newPos()

PySide2.QtWidgets.QGraphicsSceneMoveEvent. setOldPos ( pos ) ¶

参数

pos – QPointF

另请参阅

oldPos()