Improve scrolling and dynamic backlog fetching behavior

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

diff --git a/src/qtui/chatscene.h b/src/qtui/chatscene.h
index 17c009c..45ab0f4 100644 (file)
--- a/src/qtui/chatscene.h
+++ b/src/qtui/chatscene.h
@@ -18,19 +18,19 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
-#ifndef _CHATSCENE_H_
-#define _CHATSCENE_H_
+#ifndef CHATSCENE_H_
+#define CHATSCENE_H_
 
 #include <QAbstractItemModel>
 #include <QGraphicsScene>
 #include <QSet>
 
-#include "types.h"
+#include "columnhandleitem.h"
+
 
 class AbstractUiMsg;
 class ChatItem;
 class ChatLine;
-class ColumnHandleItem;
 
 class QGraphicsSceneMouseEvent;
 
@@ -44,12 +44,13 @@ class ChatScene : public QGraphicsScene {
     inline QAbstractItemModel *model() const { return _model; }
     inline QString idString() const { return _idString; }
 
-    inline bool isFetchingBacklog() const;
-    inline bool isBacklogFetchingEnabled() const;
-    inline BufferId bufferForBacklogFetching() const;
     int sectionByScenePos(int x);
     inline int sectionByScenePos(const QPoint &pos) { return sectionByScenePos(pos.x()); }
     inline bool isSingleBufferScene() const { return _singleBufferScene; }
+    inline ChatLine *chatLine(int row) { return (row < _lines.count()) ? _lines[row] : 0; }
+
+    inline QRectF firstColumnHandleRect() const { return firstColHandle->boundingRect().translated(firstColHandle->x(), 0); }
+    inline QRectF secondColumnHandleRect() const { return secondColHandle->boundingRect().translated(secondColHandle->x(), 0); }
 
   public slots:
     void setWidth(qreal);
@@ -58,12 +59,13 @@ class ChatScene : public QGraphicsScene {
     void setSelectingItem(ChatItem *item);
     ChatItem *selectingItem() const { return _selectingItem; }
     void startGlobalSelection(ChatItem *item, const QPointF &itemPos);
+    void putToClipboard(const QString &);
 
-    void setIsFetchingBacklog(bool);
-    inline void setBufferForBacklogFetching(BufferId buffer);
+    void requestBacklog();
 
   signals:
     void heightChanged(qreal height);
+    void heightChangedAt(qreal ypos, qreal hdiff);
 
   protected:
     virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent);
@@ -72,16 +74,16 @@ class ChatScene : public QGraphicsScene {
 
   protected slots:
     void rowsInserted(const QModelIndex &, int, int);
-    void modelReset();
+    void rowsAboutToBeRemoved(const QModelIndex &, int, int);
 
   private slots:
     void rectChanged(const QRectF &);
     void handlePositionChanged(qreal xpos);
 
   private:
+    void setHandleXLimits();
     void updateSelection(const QPointF &pos);
     QString selectionToString() const;
-    void requestBacklogIfNeeded();
 
     QString _idString;
     qreal _width, _height;
@@ -92,34 +94,14 @@ class ChatScene : public QGraphicsScene {
     ColumnHandleItem *firstColHandle, *secondColHandle;
     qreal firstColHandlePos, secondColHandlePos;
 
-    ChatItem *_selectingItem, *_lastItem;
-    QSet<ChatLine *> _selectedItems;
+    ChatItem *_selectingItem;
     int _selectionStartCol, _selectionMinCol;
     int _selectionStart;
     int _selectionEnd;
     int _firstSelectionRow, _lastSelectionRow;
     bool _isSelecting;
 
-    bool _fetchingBacklog;
-    BufferId _backlogFetchingBuffer;
-    MsgId _lastBacklogOffset;
     int _lastBacklogSize;
 };
 
-bool ChatScene::isFetchingBacklog() const {
-  return _fetchingBacklog;
-}
-
-bool ChatScene::isBacklogFetchingEnabled() const {
-  return _backlogFetchingBuffer.isValid();
-}
-
-BufferId ChatScene::bufferForBacklogFetching() const {
-  return _backlogFetchingBuffer;
-}
-
-void ChatScene::setBufferForBacklogFetching(BufferId buf) {
-  _backlogFetchingBuffer = buf;
-}
-
 #endif