qquicktreeview_p.h

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// Copyright (C) 2021 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 QQUICKTREEVIEW_P_H
#define QQUICKTREEVIEW_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 <QtCore/qabstractitemmodel.h>
#include "qquicktableview_p.h"
 
QT_BEGIN_NAMESPACE
 
class QQuickTreeViewPrivate;
 
class Q_QUICK_PRIVATE_EXPORT QQuickTreeView : public QQuickTableView
{
    Q_OBJECT
    Q_PROPERTY(QModelIndex rootIndex READ rootIndex WRITE setRootIndex RESET resetRootIndex NOTIFY rootIndexChanged REVISION(6, 6) FINAL)
    QML_NAMED_ELEMENT(TreeView)
    QML_ADDED_IN_VERSION(6, 3)
 
public:
    QQuickTreeView(QQuickItem *parent = nullptr);
    ~QQuickTreeView() override;
 
    QModelIndex rootIndex() const;
    void setRootIndex(const QModelIndex &index);
    void resetRootIndex();
 
    Q_INVOKABLE int depth(int row) const;
 
    Q_INVOKABLE bool isExpanded(int row) const;
    Q_INVOKABLE void expand(int row);
    Q_INVOKABLE void collapse(int row);
    Q_INVOKABLE void toggleExpanded(int row);
 
    Q_REVISION(6, 4) Q_INVOKABLE void expandRecursively(int row = -1, int depth = -1);
    Q_REVISION(6, 4) Q_INVOKABLE void collapseRecursively(int row = -1);
    Q_REVISION(6, 4) Q_INVOKABLE void expandToIndex(const QModelIndex &index);
 
    Q_INVOKABLE QModelIndex modelIndex(const QPoint &cell) const override;
    Q_INVOKABLE QPoint cellAtIndex(const QModelIndex &index) const override;
 
#if QT_DEPRECATED_SINCE(6, 4)
    QT_DEPRECATED_VERSION_X_6_4("Use index(row, column) instead")
    Q_REVISION(6, 4) Q_INVOKABLE QModelIndex modelIndex(int row, int column) const override;
#endif
 
Q_SIGNALS:
    void expanded(int row, int depth);
    void collapsed(int row, bool recursively);
    Q_REVISION(6, 6) void rootIndexChanged();
 
protected:
    void keyPressEvent(QKeyEvent *event) override;
 
private:
    Q_DISABLE_COPY(QQuickTreeView)
    Q_DECLARE_PRIVATE(QQuickTreeView)
};
 
QT_END_NAMESPACE
 
QML_DECLARE_TYPE(QQuickTreeView)
 
#endif // QQUICKTREEVIEW_P_H