const qreal minContentsWidth = 200;
-ChatScene::ChatScene(QAbstractItemModel *model, QObject *parent) : QGraphicsScene(parent), _model(model) {
+ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, QObject *parent)
+ : QGraphicsScene(parent),
+ _idString(idString),
+ _model(model)
+{
_width = 0;
connect(this, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(rectChanged(const QRectF &)));