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 7d84e6a..4fb3661 100644 (file)
--- a/src/qtui/chatview.h
+++ b/src/qtui/chatview.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-09 by the Quassel Project                          *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -22,39 +22,85 @@
 #define CHATVIEW_H_
 
 #include <QGraphicsView>
+#include <QTimer>
 
 #include "abstractbuffercontainer.h"
 
+class AbstractBufferContainer;
 class AbstractUiMsg;
 class Buffer;
 class ChatLine;
 class ChatScene;
 class MessageFilter;
+class QMenu;
 
 class ChatView : public QGraphicsView, public AbstractChatView {
   Q_OBJECT
 
-  public:
-    ChatView(MessageFilter *, QWidget *parent = 0);
-    ChatView(Buffer *, QWidget *parent = 0);
-    ~ChatView();
+public:
+  ChatView(MessageFilter *, QWidget *parent = 0);
+  ChatView(BufferId bufferId, QWidget *parent = 0);
 
-    ChatScene *scene() const;
+  virtual MsgId lastMsgId() const;
+  virtual MsgId lastVisibleMsgId() const;
+  inline AbstractBufferContainer *bufferContainer() const { return _bufferContainer; }
+  inline void setBufferContainer(AbstractBufferContainer *c) { _bufferContainer = c; }
 
-  public slots:
+  inline ChatScene *scene() const { return _scene; }
 
-    void clear();
+  //! 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;
 
-  protected:
-    virtual void resizeEvent(QResizeEvent *event);
+  //! 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;
 
-  protected slots:
-    virtual void sceneHeightChanged(qreal height);
+  //! 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;
 
-  private:
-    void init(MessageFilter *filter);
+  virtual void addActionsToMenu(QMenu *, const QPointF &pos);
 
-    ChatScene *_scene;
+  virtual bool event(QEvent *event);
+
+public slots:
+  inline virtual void clear() {}
+  void zoomIn();
+  void zoomOut();
+  void zoomOriginal();
+
+protected:
+  virtual void resizeEvent(QResizeEvent *event);
+
+protected slots:
+  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);
+
+  AbstractBufferContainer *_bufferContainer;
+  ChatScene *_scene;
+  int _lastScrollbarPos;
+  qreal _currentScaleFactor;
+  QTimer _scrollTimer;
+  int _scrollOffset;
+  bool _invalidateFilter;
 };
 
+
 #endif