X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatview.h;h=51522d2355152920845b5e6c9306a2ee41618d4b;hp=100b311b21bf09ccb2ad382b8857eabb8ff77436;hb=a72e2b4a90ce18c58b54e111161691ba008dc47d;hpb=99bb37d9938f3d88ce7551ded454146359fadc03

diff --git a/src/qtui/chatview.h b/src/qtui/chatview.h
index 100b311b..51522d23 100644
--- 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  *
@@ -22,45 +22,101 @@
 #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(Buffer *, QWidget *parent = 0);
-    ~ChatView();
-
-    ChatScene *scene() const;
-
-  public slots:
-
-    void clear();
-
-    void prependMsg(AbstractUiMsg *);
-    void appendMsg(AbstractUiMsg *);
-
-    void prependChatLine(ChatLine *);
-    void appendChatLine(ChatLine *);
-    void prependChatLines(QList<ChatLine *>);
-    void appendChatLines(QList<ChatLine *>);
-
-    void setContents(const QList<AbstractUiMsg *> &);
-
-  protected:
-    virtual void resizeEvent(QResizeEvent *event);
-
-  protected slots:
-    virtual void sceneHeightChanged(int height);
-
-  private:
-    ChatScene *_scene;
+public:
+  ChatView(MessageFilter *, QWidget *parent = 0);
+  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(bool ignoreDayChange = false) const;
+
+  virtual void addActionsToMenu(QMenu *, const QPointF &pos);
+
+  //! Tell the view that this ChatLine has cached data
+  /** ChatLines cache some layout data that should be cleared as soon as it's no
+   *  longer visible. A ChatLine caching data registers itself with this method to
+   *  tell the view about it. The view will call ChatLine::clearCache() when
+   *  appropriate.
+   *  \param line The ChatLine having cached data
+   */
+  void setHasCache(ChatLine *line, bool hasCache = true);
+
+public slots:
+  inline virtual void clear() {}
+  void zoomIn();
+  void zoomOut();
+  void zoomOriginal();
+
+  void setMarkerLineVisible(bool visible = true);
+  void setMarkerLine(MsgId msgId);
+  void jumpToMarkerLine(bool requestBacklog);
+
+protected:
+  virtual bool event(QEvent *event);
+  virtual void resizeEvent(QResizeEvent *event);
+  virtual void scrollContentsBy(int dx, int dy);
+
+protected slots:
+  virtual void verticalScrollbarChanged(int);
+
+private slots:
+  void lastLineChanged(QGraphicsItem *chatLine, qreal offset);
+  void adjustSceneRect();
+  void checkChatLineCaches();
+  void mouseMoveWhileSelecting(const QPointF &scenePos);
+  void scrollTimerTimeout();
+  void invalidateFilter();
+  void markerLineSet(BufferId buffer, MsgId msg);
+
+private:
+  void init(MessageFilter *filter);
+
+  AbstractBufferContainer *_bufferContainer;
+  ChatScene *_scene;
+  int _lastScrollbarPos;
+  qreal _currentScaleFactor;
+  QTimer _scrollTimer;
+  int _scrollOffset;
+  bool _invalidateFilter;
+  QSet<ChatLine *> _linesWithCache;
 };
 
+
 #endif