X-Git-Url: https://git.quassel-irc.org/?a=blobdiff_plain;f=src%2Fqtui%2Fchatscene.h;h=e0aaa500df894e79ffa1acead874652e1d144437;hb=076f0dd24b1bf78a0156cf1d3b5eda7dcf9f5fa0;hp=66026c1bc323b43ee98c7237097f8f0de05cdd20;hpb=62192fb6cd9cc211b5b9fe844c9b4c2f98f923cc;p=quassel.git

diff --git a/src/qtui/chatscene.h b/src/qtui/chatscene.h
index 66026c1b..e0aaa500 100644
--- a/src/qtui/chatscene.h
+++ b/src/qtui/chatscene.h
@@ -26,7 +26,7 @@
 #include <QSet>
 
 #include "columnhandleitem.h"
-
+#include "messagefilter.h"
 
 class AbstractUiMsg;
 class ChatItem;
@@ -47,12 +47,14 @@ public:
   int sectionByScenePos(int x);
   inline int sectionByScenePos(const QPoint &pos) { return sectionByScenePos(pos.x()); }
   inline bool isSingleBufferScene() const { return _singleBufferScene; }
+  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; }
 
 public slots:
+  void updateForViewport(qreal width, qreal height);
   void setWidth(qreal, bool forceReposition = false);
 
   // these are used by the chatitems to notify the scene and manage selections
@@ -64,7 +66,7 @@ public slots:
   void requestBacklog();
 
 signals:
-  void sceneHeightChanged(qreal dh);
+  void lastLineChanged(QGraphicsItem *);
 
 protected:
   virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent);
@@ -88,6 +90,12 @@ private:
   QList<ChatLine *> _lines;
   bool _singleBufferScene;
 
+  // calls to QChatScene::sceneRect() are very expensive. As we manage the scenerect ourselves
+  // we store the size in a member variable.
+  QRectF _sceneRect;
+  void updateSceneRect(const QRectF &rect);
+  qreal _viewportHeight;
+
   ColumnHandleItem *firstColHandle, *secondColHandle;
   qreal firstColHandlePos, secondColHandlePos;
 
@@ -101,4 +109,12 @@ private:
   int _lastBacklogSize;
 };
 
+bool ChatScene::containsBuffer(const BufferId &id) const {
+  MessageFilter *filter = qobject_cast<MessageFilter*>(model());
+  if(filter)
+    return filter->containsBuffer(id);
+  else
+    return false;
+}
+
 #endif