+ChatItem::~ChatItem() {
+ delete _cachedLayout;
+}
+
+ChatLine *ChatItem::chatLine() const {
+ return _parent;
+}
+
+ChatScene *ChatItem::chatScene() const {
+ return chatLine()->chatScene();
+}
+
+ChatView *ChatItem::chatView() const {
+ return chatScene()->chatView();
+}
+
+const QAbstractItemModel *ChatItem::model() const {
+ return chatLine()->model();
+}
+
+int ChatItem::row() const {
+ return chatLine()->row();
+}
+
+QPointF ChatItem::mapToLine(const QPointF &p) const {
+ return p + pos();
+}
+
+QPointF ChatItem::mapFromLine(const QPointF &p) const {
+ return p - pos();
+}
+
+// relative to the ChatLine
+QPointF ChatItem::mapToScene(const QPointF &p) const {
+ return chatLine()->mapToScene(p /* + pos() */);
+}
+
+QPointF ChatItem::mapFromScene(const QPointF &p) const {
+ return chatLine()->mapFromScene(p) /* - pos() */;
+}
+