Provide some new accessors for Chat{View|Scene}

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

diff --git a/src/qtui/chatscene.h b/src/qtui/chatscene.h
index b90de71..3daf861 100644 (file)
--- a/src/qtui/chatscene.h
+++ b/src/qtui/chatscene.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-2010 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -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; }
@@ -108,6 +120,7 @@ public:
  public slots:
   void updateForViewport(qreal width, qreal height);
   void setWidth(qreal width);
+  void layout(int start, int end, qreal width);
 
   // these are used by the chatitems to notify the scene and manage selections
   void setSelectingItem(ChatItem *item);
@@ -120,8 +133,10 @@ public:
 
   void requestBacklog();
 
-  void loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect);
+#ifdef HAVE_WEBKIT
+  void loadWebPreview(ChatItem *parentItem, const QUrl &url, const QRectF &urlRect);
   void clearWebPreview(ChatItem *parentItem = 0);
+#endif
 
 signals:
   void lastLineChanged(QGraphicsItem *item, qreal offset);
@@ -139,12 +154,14 @@ protected:
 protected slots:
   void rowsInserted(const QModelIndex &, int, int);
   void rowsAboutToBeRemoved(const QModelIndex &, int, int);
+  void dataChanged(const QModelIndex &, const QModelIndex &);
 
 private slots:
   void firstHandlePositionChanged(qreal xpos);
   void secondHandlePositionChanged(qreal xpos);
-  void showWebPreviewEvent();
-  void deleteWebPreviewEvent();
+#ifdef HAVE_WEBKIT
+  void webPreviewNextStep();
+#endif
   void showWebPreviewChanged();
 
   void clickTimeout();
@@ -187,16 +204,25 @@ private:
 
   bool _showWebPreview;
 
+#ifdef HAVE_WEBKIT
   struct WebPreview {
+    enum PreviewState {
+      NoPreview,
+      NewPreview,
+      DelayPreview,
+      ShowPreview,
+      HidePreview
+    };
     ChatItem *parentItem;
     QGraphicsItem *previewItem;
-    QString url;
+    QUrl url;
     QRectF urlRect;
-    QTimer delayTimer;
-    QTimer deleteTimer;
-    WebPreview() : parentItem(0), previewItem(0) {}
+    PreviewState previewState;
+    QTimer timer;
+    WebPreview() : parentItem(0), previewItem(0), previewState(NoPreview) {}
   };
   WebPreview webPreview;
+#endif // HAVE_WEBKIT
 };
 
 #endif