Provide some new accessors for Chat{View|Scene}

[quassel.git] / src / qtui / chatview.h

diff --git a/src/qtui/chatview.h b/src/qtui/chatview.h
index 5969f72..4fb3661 100644 (file)
--- a/src/qtui/chatview.h
+++ b/src/qtui/chatview.h
@@ -42,11 +42,31 @@ public:
   ChatView(BufferId bufferId, QWidget *parent = 0);
 
   virtual MsgId lastMsgId() const;
+  virtual MsgId lastVisibleMsgId() const;
   inline AbstractBufferContainer *bufferContainer() const { return _bufferContainer; }
   inline void setBufferContainer(AbstractBufferContainer *c) { _bufferContainer = c; }
 
   inline ChatScene *scene() const { return _scene; }
 
+  //! Return a set of ChatLines currently visible in the view
+  /** \param mode How partially visible ChatLines are handled
+   *  \return A set of visible ChatLines
+   */
+  QSet<ChatLine *> visibleChatLines(Qt::ItemSelectionMode mode = Qt::ContainsItemBoundingRect) const;
+
+  //! Return a sorted list of ChatLines currently visible in the view
+  /** \param mode How partially visible ChatLines are handled
+   *  \return A list of visible ChatLines sorted by row
+   *  \note If the order of ChatLines does not matter, use visibleChatLines() instead
+   */
+  QList<ChatLine *> visibleChatLinesSorted(Qt::ItemSelectionMode mode = Qt::ContainsItemBoundingRect) const;
+
+  //! Return the last fully visible ChatLine in this view
+  /** Using this method more efficient than calling visibleChatLinesSorted() and taking its last element.
+   *  \return The last fully visible ChatLine in the view
+   */
+  ChatLine *lastVisibleChatLine() const;
+
   virtual void addActionsToMenu(QMenu *, const QPointF &pos);
 
   virtual bool event(QEvent *event);
@@ -61,13 +81,14 @@ protected:
   virtual void resizeEvent(QResizeEvent *event);
 
 protected slots:
-  virtual inline void sceneRectChanged(const QRectF &rect) { setSceneRect(rect); }
   virtual void verticalScrollbarChanged(int);
 
 private slots:
   void lastLineChanged(QGraphicsItem *chatLine, qreal offset);
+  void adjustSceneRect();
   void mouseMoveWhileSelecting(const QPointF &scenePos);
   void scrollTimerTimeout();
+  void invalidateFilter();
 
 private:
   void init(MessageFilter *filter);
@@ -78,6 +99,7 @@ private:
   qreal _currentScaleFactor;
   QTimer _scrollTimer;
   int _scrollOffset;
+  bool _invalidateFilter;
 };