ChatView now asks the scene if scrolling is ok on message appending

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

diff --git a/src/qtui/chatscene.h b/src/qtui/chatscene.h
index c6ea9fe..0c9329e 100644 (file)
--- a/src/qtui/chatscene.h
+++ b/src/qtui/chatscene.h
@@ -39,6 +39,21 @@ class ChatScene : public QGraphicsScene {
   Q_OBJECT
 
 public:
+  enum CutoffMode {
+    CutoffLeft,
+    CutoffRight
+  };
+
+  enum ItemType {
+    ChatLineType = QGraphicsItem::UserType + 1,
+    ChatItemType,
+    TimestampChatItemType,
+    SenderChatItemType,
+    ContentsChatItemType,
+    SearchHighlightType,
+    WebPreviewType
+  };
+
   ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, QObject *parent);
   virtual ~ChatScene();
 
@@ -51,12 +66,19 @@ public:
   inline bool containsBuffer(const BufferId &id) const;
   inline ChatLine *chatLine(int row) { return (row < _lines.count()) ? _lines[row] : 0; }
 
-  inline ColumnHandleItem *firstColumnHandle() const { return firstColHandle; }
-  inline ColumnHandleItem *secondColumnHandle() const { return secondColHandle; }
+  inline ColumnHandleItem *firstColumnHandle() const { return _firstColHandle; }
+  inline ColumnHandleItem *secondColumnHandle() const { return _secondColHandle; }
 
-public slots:
+  inline CutoffMode senderCutoffMode() const { return _cutoffMode; }
+  inline void setSenderCutoffMode(CutoffMode mode) { _cutoffMode = mode; }
+
+  bool isScrollingAllowed() const;
+
+  virtual bool event(QEvent *e);
+
+ public slots:
   void updateForViewport(qreal width, qreal height);
-  void setWidth(qreal, bool forceReposition = false);
+  void setWidth(qreal width);
 
   // these are used by the chatitems to notify the scene and manage selections
   void setSelectingItem(ChatItem *item);
@@ -70,7 +92,9 @@ public slots:
   void clearWebPreview(ChatItem *parentItem = 0);
 
 signals:
-  void lastLineChanged(QGraphicsItem *);
+  void lastLineChanged(QGraphicsItem *item, qreal offset);
+  void layoutChanged(); // indicates changes to the scenerect due to resizing of the contentsitems
+  void mouseMoveWhileSelecting(const QPointF &scenePos);
 
 protected:
   virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent);
@@ -82,7 +106,10 @@ protected slots:
   void rowsAboutToBeRemoved(const QModelIndex &, int, int);
 
 private slots:
-  void handlePositionChanged(qreal xpos);
+  void firstHandlePositionChanged(qreal xpos);
+  void secondHandlePositionChanged(qreal xpos);
+  void showWebPreviewEvent();
+  void deleteWebPreviewEvent();
 
 private:
   void setHandleXLimits();
@@ -98,28 +125,29 @@ private:
   // we store the size in a member variable.
   QRectF _sceneRect;
   int _firstLineRow; // the first row to display (aka: not a daychange msg)
-  void updateSceneRect();
   void updateSceneRect(qreal width);
+  inline void updateSceneRect() { updateSceneRect(_sceneRect.width()); }
   void updateSceneRect(const QRectF &rect);
   qreal _viewportHeight;
 
-  ColumnHandleItem *firstColHandle, *secondColHandle;
-  qreal firstColHandlePos, secondColHandlePos;
+  ColumnHandleItem *_firstColHandle, *_secondColHandle;
+  qreal _firstColHandlePos, _secondColHandlePos;
+  CutoffMode _cutoffMode;
 
   ChatItem *_selectingItem;
   int _selectionStartCol, _selectionMinCol;
   int _selectionStart;
   int _selectionEnd;
-  int _firstSelectionRow, _lastSelectionRow;
+  int _firstSelectionRow;
   bool _isSelecting;
 
-  int _lastBacklogSize;
-
   struct WebPreview {
     ChatItem *parentItem;
-    WebPreviewItem *previewItem;
+    QGraphicsItem *previewItem;
     QString url;
     QRectF urlRect;
+    QTimer delayTimer;
+    QTimer deleteTimer;
     WebPreview() : parentItem(0), previewItem(0) {}
   };
   WebPreview webPreview;