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113 lines
4.2 KiB
C++
113 lines
4.2 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QITEMSELECTIONMODEL_P_H
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#define QITEMSELECTIONMODEL_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "qobject_p.h"
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QT_BEGIN_NAMESPACE
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#ifndef QT_NO_ITEMVIEWS
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class QItemSelectionModelPrivate: public QObjectPrivate
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{
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Q_DECLARE_PUBLIC(QItemSelectionModel)
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public:
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QItemSelectionModelPrivate()
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: model(0),
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currentCommand(QItemSelectionModel::NoUpdate),
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tableSelected(false), tableColCount(0), tableRowCount(0) {}
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QItemSelection expandSelection(const QItemSelection &selection,
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QItemSelectionModel::SelectionFlags command) const;
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void initModel(QAbstractItemModel *model);
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void _q_rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
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void _q_columnsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
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void _q_rowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
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void _q_columnsAboutToBeInserted(const QModelIndex &parent, int start, int end);
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void _q_layoutAboutToBeChanged();
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void _q_layoutChanged();
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inline void remove(QList<QItemSelectionRange> &r)
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{
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QList<QItemSelectionRange>::const_iterator it = r.constBegin();
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for (; it != r.constEnd(); ++it)
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ranges.removeAll(*it);
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}
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inline void finalize()
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{
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ranges.merge(currentSelection, currentCommand);
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if (!currentSelection.isEmpty()) // ### perhaps this should be in QList
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currentSelection.clear();
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}
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QPointer<QAbstractItemModel> model;
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QItemSelection ranges;
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QItemSelection currentSelection;
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QPersistentModelIndex currentIndex;
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QItemSelectionModel::SelectionFlags currentCommand;
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QList<QPersistentModelIndex> savedPersistentIndexes;
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QList<QPersistentModelIndex> savedPersistentCurrentIndexes;
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// optimization when all indexes are selected
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bool tableSelected;
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QPersistentModelIndex tableParent;
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int tableColCount, tableRowCount;
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};
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#endif // QT_NO_ITEMVIEWS
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QT_END_NAMESPACE
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#endif // QITEMSELECTIONMODEL_P_H
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