def itemChange(self, change, value):
if change == self.ItemPositionChange:
# grid snapping
value.setX(
roundup(
value.x() - self.graph().grid_size +
self.graph().grid_size / 3.0,
self.graph().grid_size))
value.setY(
roundup(
value.y() - self.graph().grid_size +
self.graph().grid_size / 3.0,
self.graph().grid_size))
value.setY(value.y() - 2)
return value
return QGraphicsItem.itemChange(self, change, value)
def itemChange(self, change, value):
return QGraphicsItem.itemChange(self, change, value)
