/***************************************************************************
- * Copyright (C) 2005-07 by the Quassel IRC Team *
+ * Copyright (C) 2005-08 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
#ifndef _CHATSCENE_H_
#define _CHATSCENE_H_
+#include <QAbstractItemModel>
#include <QGraphicsScene>
+#include <QSet>
+
+#include "types.h"
class AbstractUiMsg;
class Buffer;
+class BufferId;
+class ChatItem;
class ChatLine;
+class ColumnHandleItem;
+
class QGraphicsSceneMouseEvent;
class ChatScene : public QGraphicsScene {
Q_OBJECT
public:
- ChatScene(Buffer *buffer, QObject *parent);
+ ChatScene(QAbstractItemModel *model, const QString &idString, QObject *parent);
virtual ~ChatScene();
- Buffer *buffer() const;
+ 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()); }
public slots:
+ void setWidth(qreal);
+
+ // these are used by the chatitems to notify the scene and manage selections
+ void setSelectingItem(ChatItem *item);
+ ChatItem *selectingItem() const { return _selectingItem; }
+ void startGlobalSelection(ChatItem *item, const QPointF &itemPos);
+
+ void setIsFetchingBacklog(bool);
+ inline void setBufferForBacklogFetching(BufferId buffer);
+
+ signals:
+ void heightChanged(qreal height);
+
+ protected:
+ virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent);
+ virtual void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent);
+ virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent);
protected slots:
- void appendMsg(AbstractUiMsg *msg);
- void prependMsg(AbstractUiMsg *msg);
+ void rowsInserted(const QModelIndex &, int, int);
+ void modelReset();
- void mousePressEvent ( QGraphicsSceneMouseEvent * mouseEvent );
+ private slots:
+ void rectChanged(const QRectF &);
+ void handlePositionChanged(qreal xpos);
private:
- Buffer *_buffer;
- QList<ChatLine*> _lines;
+ void updateSelection(const QPointF &pos);
+ QString selectionToString() const;
+ void requestBacklogIfNeeded();
+ QString _idString;
+ qreal _width, _height;
+ QAbstractItemModel *_model;
+ QList<ChatLine *> _lines;
+
+ ColumnHandleItem *firstColHandle, *secondColHandle;
+ qreal firstColHandlePos, secondColHandlePos;
+
+ ChatItem *_selectingItem, *_lastItem;
+ QSet<ChatLine *> _selectedItems;
+ int _selectionStartCol, _selectionMinCol;
+ int _selectionStart;
+ int _selectionEnd;
+ 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