qtablewidget_p.h - mozsearch

// 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

// Qt-Security score:significant reason:default

#ifndef QTABLEWIDGET_P_H

#define QTABLEWIDGET_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API. This header file may change

// from version to version without notice, or even be removed.

//

// We mean it.

//

#include <QtWidgets/private/qtwidgetsglobal_p.h>

#include <qheaderview.h>

#include <qtablewidget.h>

#include <qabstractitemmodel.h>

#include <private/qabstractitemmodel_p.h>

#include <private/qtableview_p.h>

#include <private/qwidgetitemdata_p.h>

#include <array>

QT_REQUIRE_CONFIG(tablewidget);

QT_BEGIN_NAMESPACE

class QTableWidgetMimeData : public QMimeData

    Q_OBJECT

public:

    QList<QTableWidgetItem*> items;

};

class QTableModelLessThan

public:

    inline bool operator()(QTableWidgetItem *i1, QTableWidgetItem *i2) const

        { return (*i1 < *i2); }

};

class QTableModelGreaterThan

public:

    inline bool operator()(QTableWidgetItem *i1, QTableWidgetItem *i2) const

        { return (*i2 < *i1); }

};

class QTableModel : public QAbstractTableModel

    Q_OBJECT

    friend class QTableWidget;

public:

    QTableModel(int rows, int columns, QTableWidget *parent);

    ~QTableModel();

    inline QTableWidget *view() const { return qobject_cast<QTableWidget *>(QObject::parent()); }

    bool insertRows(int row, int count = 1, const QModelIndex &parent = QModelIndex()) override;

    bool insertColumns(int column, int count = 1, const QModelIndex &parent = QModelIndex()) override;

    bool removeRows(int row, int count = 1, const QModelIndex &parent = QModelIndex()) override;

    bool removeColumns(int column, int count = 1, const QModelIndex &parent = QModelIndex()) override;

    bool moveRows(const QModelIndex &sourceParent, int sourceRow, int count, const QModelIndex &destinationParent, int destinationChild) override;

    void setItem(int row, int column, QTableWidgetItem *item);

    QTableWidgetItem *takeItem(int row, int column);

    QTableWidgetItem *item(int row, int column) const;

    QTableWidgetItem *item(const QModelIndex &index) const;

    void removeItem(QTableWidgetItem *item);

    void setHorizontalHeaderItem(int section, QTableWidgetItem *item);

    void setVerticalHeaderItem(int section, QTableWidgetItem *item);

    QTableWidgetItem *takeHorizontalHeaderItem(int section);

    QTableWidgetItem *takeVerticalHeaderItem(int section);

    QTableWidgetItem *horizontalHeaderItem(int section);

    QTableWidgetItem *verticalHeaderItem(int section);

    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override

        { return QAbstractTableModel::index(row, column, parent); }

    QModelIndex index(const QTableWidgetItem *item) const;

    void setRowCount(int rows);

    void setColumnCount(int columns);

    int rowCount(const QModelIndex &parent = QModelIndex()) const override;

    int columnCount(const QModelIndex &parent = QModelIndex()) const override;

    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;

    bool setData(const QModelIndex &index, const QVariant &value, int role) override;

    bool setItemData(const QModelIndex &index, const QMap<int, QVariant> &roles) override;

    bool clearItemData(const QModelIndex &index) override;

    QMap<int, QVariant> itemData(const QModelIndex &index) const override;

    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;

    bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role) override;

    Qt::ItemFlags flags(const QModelIndex &index) const override;

    void sort(int column, Qt::SortOrder order) override;

    static bool itemLessThan(const std::pair<QTableWidgetItem*,int> &left,

                             const std::pair<QTableWidgetItem*,int> &right);

    static bool itemGreaterThan(const std::pair<QTableWidgetItem*,int> &left,

                                const std::pair<QTableWidgetItem*,int> &right);

    void ensureSorted(int column, Qt::SortOrder order, int start, int end);

    QList<QTableWidgetItem *> columnItems(int column) const;

    void updateRowIndexes(QModelIndexList &indexes, int movedFromRow, int movedToRow);

    static QList<QTableWidgetItem *>::iterator

    sortedInsertionIterator(const QList<QTableWidgetItem *>::iterator &begin,

                            const QList<QTableWidgetItem *>::iterator &end, Qt::SortOrder order,

                            QTableWidgetItem *item);

    bool isValid(const QModelIndex &index) const;

    inline long tableIndex(int row, int column) const

        { return (row * horizontalHeaderItems.size()) + column; }

    void clear();

    void clearContents();

    void itemChanged(QTableWidgetItem *item, const QList<int> &roles = QList<int>());

    QTableWidgetItem *createItem() const;

    const QTableWidgetItem *itemPrototype() const;

    void setItemPrototype(const QTableWidgetItem *item);

    // dnd

    QStringList mimeTypes() const override;

    QMimeData *mimeData(const QModelIndexList &indexes) const override;

    bool dropMimeData(const QMimeData *data, Qt::DropAction action,

            int row, int column, const QModelIndex &parent) override;

    Qt::DropActions supportedDropActions() const override;

    Qt::DropActions supportedDragActions() const override;

    QMimeData *internalMimeData()  const;

private:

    const QTableWidgetItem *prototype;

    QList<QTableWidgetItem *> tableItems;

    QList<QTableWidgetItem *> verticalHeaderItems;

    QList<QTableWidgetItem *> horizontalHeaderItems;

    // A cache must be mutable if get-functions should have const modifiers

    mutable QModelIndexList cachedIndexes;

};

class QTableWidgetPrivate : public QTableViewPrivate

    Q_DECLARE_PUBLIC(QTableWidget)

public:

    QTableWidgetPrivate() : QTableViewPrivate() {}

    inline QTableModel *tableModel() const { return qobject_cast<QTableModel*>(model); }

    void setup();

    void clearConnections();

    // view signals

    void emitItemPressed(const QModelIndex &index);

    void emitItemClicked(const QModelIndex &index);

    void emitItemDoubleClicked(const QModelIndex &index);

    void emitItemActivated(const QModelIndex &index);

    void emitItemEntered(const QModelIndex &index);

    // model signals

    void emitItemChanged(const QModelIndex &index);

    // selection signals

    void emitCurrentItemChanged(const QModelIndex &previous, const QModelIndex &current);

    // sorting

    void sort();

    void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);

    std::array<QMetaObject::Connection, 10> connections;

    std::optional<Qt::DropActions> supportedDragActions;

};

class QTableWidgetItemPrivate

public:

    QTableWidgetItemPrivate(QTableWidgetItem *item) : q(item), id(-1), headerItem(false) {}

    QTableWidgetItem *q;

    int id;

    bool headerItem; // Qt 7 TODO: inline this stuff in the public class.

};

QT_END_NAMESPACE

#endif // QTABLEWIDGET_P_H