1 /***************************************************************************
2 * Copyright (C) 2005-09 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 ***************************************************************************/
21 #ifndef _SELECTIONMODELSYNCHRONIZER_H_
22 #define _SELECTIONMODELSYNCHRONIZER_H_
25 #include <QItemSelectionModel>
27 class QAbstractItemModel;
29 class SelectionModelSynchronizer : public QObject {
33 SelectionModelSynchronizer(QAbstractItemModel *parent = 0);
35 void synchronizeSelectionModel(QItemSelectionModel *selectionModel);
36 void removeSelectionModel(QItemSelectionModel *selectionModel);
38 inline QAbstractItemModel *model() { return _model; }
39 inline QItemSelectionModel *selectionModel() const { return const_cast<QItemSelectionModel *>(&_selectionModel); }
40 inline QModelIndex currentIndex() const { return _selectionModel.currentIndex(); }
41 inline QItemSelection currentSelection() const { return _selectionModel.selection(); }
44 void syncedCurrentChanged(const QModelIndex ¤t, const QModelIndex &previous);
45 void syncedSelectionChanged(const QItemSelection &selected, const QItemSelection &previous);
47 void setCurrentIndex(const QModelIndex &index);
48 void setCurrentSelection(const QItemSelection &selection);
50 void currentChanged(const QModelIndex ¤t, const QModelIndex &previous);
51 void selectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
53 void selectionModelDestroyed(QObject *object);
56 QAbstractItemModel *_model;
57 QItemSelectionModel _selectionModel;
58 bool _changeCurrentEnabled;
59 bool _changeSelectionEnabled;
61 bool checkBaseModel(QItemSelectionModel *model);
62 QModelIndex mapFromSource(const QModelIndex &sourceIndex, const QItemSelectionModel *selectionModel);
63 QItemSelection mapSelectionFromSource(const QItemSelection &sourceSelection, const QItemSelectionModel *selectionModel);
64 QModelIndex mapToSource(const QModelIndex &index, QItemSelectionModel *selectionModel);
65 QItemSelection mapSelectionToSource(const QItemSelection &selection, QItemSelectionModel *selectionModel);
67 QSet<QItemSelectionModel *> _selectionModels;