+ inline const QAbstractItemModel *model() const { return _model; }
+ inline ChatScene *chatScene() const { return qobject_cast<ChatScene *>(scene()); }
+ inline ChatView *chatView() const { return chatScene() ? chatScene()->chatView() : 0; }
+
+ inline qreal width() const { return _width; }
+ inline qreal height() const { return _height; }
+
+ ChatItem *item(ChatLineModel::ColumnType);
+ ChatItem *itemAt(const QPointF &pos);
+ inline ChatItem *timestampItem() { return &_timestampItem; }
+ inline ChatItem *senderItem() { return &_senderItem; }
+ inline ContentsChatItem *contentsItem() { return &_contentsItem; }
+
+ virtual void paint (QPainter * painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+ enum { Type = ChatScene::ChatLineType };
+ virtual inline int type() const { return Type; }
+
+ // pos is relative to the parent ChatLine
+ void setFirstColumn(const qreal ×tampWidth, const qreal &senderWidth, const QPointF &senderPos);
+ // setSecondColumn and setGeometryByWidth both also relocate the chatline.
+ // the _bottom_ position is passed via linePos. linePos is updated to the top of the chatLine.
+ void setSecondColumn(const qreal &senderWidth, const qreal &contentsWidth, const QPointF &contentsPos, qreal &linePos);
+ void setGeometryByWidth(const qreal &width, const qreal &contentsWidth, qreal &linePos);