X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatview.h;h=d66ea7ce6df30df6360b5c7865c194854e3fda4f;hp=6f385bb7358c58b95ade8ed28800fb421cc0d2d0;hb=d57c91811b8f989bcaa4d5a238c65e9ffcc3b1d4;hpb=68cd9a2621c71005cda0ed4fb796bbf5fcbe007e

diff --git a/src/qtui/chatview.h b/src/qtui/chatview.h
index 6f385bb7..d66ea7ce 100644
--- a/src/qtui/chatview.h
+++ b/src/qtui/chatview.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-09 by the Quassel Project                          *
+ *   Copyright (C) 2005-2016 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -15,7 +15,7 @@
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  ***************************************************************************/
 
 #ifndef CHATVIEW_H_
@@ -34,51 +34,90 @@ class ChatScene;
 class MessageFilter;
 class QMenu;
 
-class ChatView : public QGraphicsView, public AbstractChatView {
-  Q_OBJECT
+class ChatView : public QGraphicsView, public AbstractChatView
+{
+    Q_OBJECT
 
 public:
-  ChatView(MessageFilter *, QWidget *parent = 0);
-  ChatView(BufferId bufferId, QWidget *parent = 0);
-
-  virtual MsgId lastMsgId() const;
-  inline AbstractBufferContainer *bufferContainer() const { return _bufferContainer; }
-  inline void setBufferContainer(AbstractBufferContainer *c) { _bufferContainer = c; }
-
-  inline ChatScene *scene() const { return _scene; }
-
-  virtual void addActionsToMenu(QMenu *, const QPointF &pos);
-
-  virtual bool event(QEvent *event);
+    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();
+    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 void resizeEvent(QResizeEvent *event);
+    virtual bool event(QEvent *event);
+    virtual void resizeEvent(QResizeEvent *event);
+    virtual void scrollContentsBy(int dx, int dy);
 
 protected slots:
-  virtual inline void sceneRectChanged(const QRectF &rect) { setSceneRect(rect); }
-  virtual void verticalScrollbarChanged(int);
+    virtual void verticalScrollbarChanged(int);
 
 private slots:
-  void lastLineChanged(QGraphicsItem *chatLine, qreal offset);
-  void mouseMoveWhileSelecting(const QPointF &scenePos);
-  void scrollTimerTimeout();
-  void styleChanged();
+    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;
+    void init(MessageFilter *filter);
+
+    AbstractBufferContainer *_bufferContainer;
+    ChatScene *_scene;
+    int _lastScrollbarPos;
+    qreal _currentScaleFactor;
+    QTimer _scrollTimer;
+    int _scrollOffset;
+    bool _invalidateFilter;
+    QSet<ChatLine *> _linesWithCache;
+    bool _firstTouchUpdateHappened = false;
 };