QGraphicsSceneMoveEvent Class Reference
^{^{[

QtGui

module]}}

The QGraphicsSceneMoveEvent class provides events for widget moving in the graphics view framework. 更多...

方法

__init__ ( self )
QPointF newPos ( self )
QPointF oldPos ( self )

详细描述

The QGraphicsSceneMoveEvent class provides events for widget moving in the graphics view framework.

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

It's similar to QMoveEvent ，但 its positions, oldPos () 和 newPos (), use QPointF 而不是 QPoint .

方法文档编制

QGraphicsSceneMoveEvent.init ( self )

构造 QGraphicsSceneMoveEvent .

QPointF QGraphicsSceneMoveEvent.newPos ( self )

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

另请参阅 oldPos () 和 QGraphicsItem.setPos ().

QPointF QGraphicsSceneMoveEvent.oldPos ( self )

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

另请参阅 newPos () 和 QGraphicsItem.setPos ().

QGraphicsSceneMoveEvent Class Reference [ QtGui module]

方法