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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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 "qitemselectionmodel.h"
#include "private/qobject_p.h"
#include "private/qproperty_p.h"
#include <array>
QT_REQUIRE_CONFIG(itemmodel);
QT_BEGIN_NAMESPACE
class QItemSelectionModelPrivate: public QObjectPrivate
{
Q_DECLARE_PUBLIC(QItemSelectionModel)
public:
QItemSelectionModelPrivate()
: currentCommand(QItemSelectionModel::NoUpdate),
tableSelected(false), tableColCount(0), tableRowCount(0) {}
QItemSelection expandSelection(const QItemSelection &selection,
QItemSelectionModel::SelectionFlags command) const;
void initModel(QAbstractItemModel *model);
void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
void columnsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
void rowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
void columnsAboutToBeInserted(const QModelIndex &parent, int start, int end);
void layoutAboutToBeChanged(const QList<QPersistentModelIndex> &parents, QAbstractItemModel::LayoutChangeHint hint);
void triggerLayoutToBeChanged()
{
layoutAboutToBeChanged(QList<QPersistentModelIndex>(), QAbstractItemModel::NoLayoutChangeHint);
}
void layoutChanged(const QList<QPersistentModelIndex> &parents, QAbstractItemModel::LayoutChangeHint hint);
void triggerLayoutChanged()
{
layoutChanged(QList<QPersistentModelIndex>(), QAbstractItemModel::NoLayoutChangeHint);
}
void modelDestroyed();
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();
}
void setModel(QAbstractItemModel *mod) { q_func()->setModel(mod); }
void disconnectModel();
void modelChanged(QAbstractItemModel *mod) { emit q_func()->modelChanged(mod); }
Q_OBJECT_COMPAT_PROPERTY_WITH_ARGS(QItemSelectionModelPrivate, QAbstractItemModel *, model,
&QItemSelectionModelPrivate::setModel,
&QItemSelectionModelPrivate::modelChanged, nullptr)
QItemSelection ranges;
QItemSelection currentSelection;
QPersistentModelIndex currentIndex;
QItemSelectionModel::SelectionFlags currentCommand;
QList<QPersistentModelIndex> savedPersistentIndexes;
QList<QPersistentModelIndex> savedPersistentCurrentIndexes;
QList<std::pair<QPersistentModelIndex, uint>> savedPersistentRowLengths;
QList<std::pair<QPersistentModelIndex, uint>> savedPersistentCurrentRowLengths;
// optimization when all indexes are selected
bool tableSelected;
QPersistentModelIndex tableParent;
int tableColCount, tableRowCount;
std::array<QMetaObject::Connection, 12> connections;
};
QT_END_NAMESPACE
#endif // QITEMSELECTIONMODEL_P_H
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