, _contentsItem(contentsPos, contentsWidth, this)
, _senderItem(QRectF(senderPos, QSizeF(senderWidth, _contentsItem.height())), this)
, _timestampItem(QRectF(0, 0, timestampWidth, _contentsItem.height()), this)
, _contentsItem(contentsPos, contentsWidth, this)
, _senderItem(QRectF(senderPos, QSizeF(senderWidth, _contentsItem.height())), this)
, _timestampItem(QRectF(0, 0, timestampWidth, _contentsItem.height()), this)