[Interest] QGraphicsSceneMouseEvent, mapFromScene...

[Dmitrii Volosnykh]

As for me the output of the code below is as expected when placed into
QGraphicsItem::mousePressEvent():

    qDebug() << "scene:" << event->scenePos();
    qDebug() << "map to scene:" << mapToScene(event->pos());
    qDebug() << "local:" << event->pos();
    qDebug() << "map to local:" << mapFromScene(event->scenePos());

Probably, you have messed up with screenPos() and scenePos() methods
of QGraphicsSceneMouseEvent class? Please, double check your test code.

Regards,
Dmitrii.
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