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Diffstat (limited to 'src/widgets/itemviews/qitemselectionmodel_p.h')
| -rw-r--r-- | src/widgets/itemviews/qitemselectionmodel_p.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/widgets/itemviews/qitemselectionmodel_p.h b/src/widgets/itemviews/qitemselectionmodel_p.h new file mode 100644 index 0000000000..5eb9ecccda --- /dev/null +++ b/src/widgets/itemviews/qitemselectionmodel_p.h @@ -0,0 +1,113 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QITEMSELECTIONMODEL_P_H +#define QITEMSELECTIONMODEL_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "private/qobject_p.h" + +QT_BEGIN_NAMESPACE + +#ifndef QT_NO_ITEMVIEWS +class QItemSelectionModelPrivate: public QObjectPrivate +{ + Q_DECLARE_PUBLIC(QItemSelectionModel) +public: + QItemSelectionModelPrivate() + : model(0), + currentCommand(QItemSelectionModel::NoUpdate), + tableSelected(false), tableColCount(0), tableRowCount(0) {} + + QItemSelection expandSelection(const QItemSelection &selection, + QItemSelectionModel::SelectionFlags command) const; + + void initModel(QAbstractItemModel *model); + + void _q_rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end); + void _q_columnsAboutToBeRemoved(const QModelIndex &parent, int start, int end); + void _q_rowsAboutToBeInserted(const QModelIndex &parent, int start, int end); + void _q_columnsAboutToBeInserted(const QModelIndex &parent, int start, int end); + void _q_layoutAboutToBeChanged(); + void _q_layoutChanged(); + + inline void remove(QList<QItemSelectionRange> &r) + { + QList<QItemSelectionRange>::const_iterator it = r.constBegin(); + for (; it != r.constEnd(); ++it) + ranges.removeAll(*it); + } + + inline void finalize() + { + ranges.merge(currentSelection, currentCommand); + if (!currentSelection.isEmpty()) // ### perhaps this should be in QList + currentSelection.clear(); + } + + QPointer<QAbstractItemModel> model; + QItemSelection ranges; + QItemSelection currentSelection; + QPersistentModelIndex currentIndex; + QItemSelectionModel::SelectionFlags currentCommand; + QList<QPersistentModelIndex> savedPersistentIndexes; + QList<QPersistentModelIndex> savedPersistentCurrentIndexes; + // optimization when all indexes are selected + bool tableSelected; + QPersistentModelIndex tableParent; + int tableColCount, tableRowCount; +}; + +#endif // QT_NO_ITEMVIEWS + +QT_END_NAMESPACE + +#endif // QITEMSELECTIONMODEL_P_H |