1 /***************************************************************************
2 * Copyright (C) 2005-08 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
24 #include <QAbstractItemModel>
25 #include <QGraphicsScene>
32 class ColumnHandleItem;
34 class QGraphicsSceneMouseEvent;
36 class ChatScene : public QGraphicsScene {
40 ChatScene(QAbstractItemModel *model, const QString &idString, QObject *parent);
43 Buffer *buffer() const;
44 inline QAbstractItemModel *model() const { return _model; }
49 // these are used by the chatitems to notify the scene and manage selections
50 void setSelectingItem(ChatItem *item);
51 ChatItem *selectingItem() const { return _selectingItem; }
52 void startGlobalSelection(ChatItem *item, const QPointF &itemPos);
55 void heightChanged(qreal height);
58 virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent);
59 virtual void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent);
60 virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent);
63 void rowsInserted(const QModelIndex &, int, int);
66 void rectChanged(const QRectF &);
67 void handlePositionChanged(qreal xpos);
70 void updateSelection(const QPointF &pos);
71 QString selectionToString() const;
74 qreal _width, _height;
75 QAbstractItemModel *_model;
76 QList<ChatLine *> _lines;
78 ColumnHandleItem *firstColHandle, *secondColHandle;
79 qreal firstColHandlePos, secondColHandlePos;
81 ChatItem *_selectingItem, *_lastItem;
82 QSet<ChatLine *> _selectedItems;
83 int _selectionStartCol, _selectionMinCol;