X-Git-Url: https://git.quassel-irc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fqtui%2Fchatscene.h;h=3daf861bb82e5356da0564897a9ee2a0c6f15dd7;hb=7f3d50af3f94bd5fc423c83ac21c460da2edf88b;hp=f3d6273447dd7f6c9d6551cfaca87b28434eacef;hpb=6330f7fe3d19113cbf29944a9b6e8b503893d4a9;p=quassel.git

diff --git a/src/qtui/chatscene.h b/src/qtui/chatscene.h
index f3d62734..3daf861b 100644
--- a/src/qtui/chatscene.h
+++ b/src/qtui/chatscene.h
@@ -82,7 +82,19 @@ public:
 
   ChatView *chatView() const;
   ChatItem *chatItemAt(const QPointF &pos) const;
-  inline ChatLine *chatLine(int row) { return (row < _lines.count()) ? _lines[row] : 0; }
+  inline ChatLine *chatLine(int row) const { return (row < _lines.count()) ? _lines.value(row) : 0; }
+  inline ChatLine *chatLine(const QModelIndex &index) const { return _lines.value(index.row()); }
+
+  //! Find the ChatLine belonging to a MsgId
+  /** Searches for the ChatLine belonging to a MsgId.
+   *  Note that this method performs a binary search, hence it has as complexity of O(log n).
+   *  If there is more than one ChatLine for the given ID, the first one will be returned.
+   *  \param msgId The message ID to look for
+   *  \return The ChatLine corresponding to the given MsgId
+   */
+  ChatLine *chatLine(MsgId msgId) const;
+
+  inline ChatLine *lastLine() const { return _lines.count() ? _lines.last() : 0; }
 
   inline bool isSingleBufferScene() const { return _singleBufferId.isValid(); }
   inline BufferId singleBufferId() const { return _singleBufferId; }