+ ChatItemPrivate(QTextLayout *l) : layout(l) {}
+ ~ChatItemPrivate() {
+ delete layout;
+ }
+};
+
+// inlines of ChatItem
+QTextLayout *ChatItem::layout() const { return privateData()->layout; }
+ChatItemPrivate *ChatItem::newPrivateData() { return new ChatItemPrivate(createLayout(QTextOption::WrapAnywhere)); }
+
+// ************************************************************
+// TimestampChatItem
+// ************************************************************
+
+//! A ChatItem for the timestamp column
+class TimestampChatItem : public ChatItem {
+public:
+ TimestampChatItem(const qreal &width, const qreal &height, QGraphicsItem *parent) : ChatItem(width, height, QPointF(0, 0), parent) {}
+ enum { Type = ChatScene::TimestampChatItemType };
+ virtual inline int type() const { return Type; }
+ virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::TimestampColumn; }
+};
+
+// ************************************************************
+// SenderChatItem
+// ************************************************************
+//! A ChatItem for the sender column
+class SenderChatItem : public ChatItem {
+public:
+ SenderChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent) : ChatItem(width, height, pos, parent) {}
+ virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::SenderColumn; }
+
+protected:
+ virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+ enum { Type = ChatScene::SenderChatItemType };
+ virtual inline int type() const { return Type; }
+ virtual inline ChatItemPrivate *newPrivateData() { return new ChatItemPrivate(createLayout(QTextOption::ManualWrap, Qt::AlignRight)); }
+};
+
+// ************************************************************
+// ContentsChatItem
+// ************************************************************
+struct ContentsChatItemPrivate;
+
+//! A ChatItem for the contents column
+class ContentsChatItem : public ChatItem {
+public:
+ ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent);
+
+ enum { Type = ChatScene::ContentsChatItemType };
+ virtual inline int type() const { return Type; }
+
+ inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; }
+ inline QFontMetricsF *fontMetrics() const { return _fontMetrics; }
+
+protected:
+ virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
+ virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
+ virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
+ virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+ virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
+ virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
+
+