#include <QAbstractItemModel>
#include <QGraphicsScene>
+#include <QSet>
+
+#include "types.h"
class AbstractUiMsg;
class Buffer;
+class BufferId;
class ChatItem;
class ChatLine;
class ColumnHandleItem;
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;
public slots:
void setWidth(qreal);
- private slots:
- void rectChanged(const QRectF &);
- void handlePositionChanged(qreal xpos);
+ // 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 rowsInserted(const QModelIndex &, int, int);
+ void modelReset();
+
+ private slots:
+ void rectChanged(const QRectF &);
+ void handlePositionChanged(qreal xpos);
private:
+ void updateSelection(const QPointF &pos);
+ QString selectionToString() const;
+ void requestBacklogIfNeeded();
+
QString _idString;
qreal _width, _height;
QAbstractItemModel *_model;
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