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#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 <qheaderview.h>

#include <qtablewidget.h>

#include <qabstractitemmodel.h>

#include <private/qabstractitemmodel_p.h>

#include <private/qtableview_p.h>

#include <private/qwidgetitemdata_p.h>

#ifndef QT_NO_TABLEWIDGET

QT_BEGIN_NAMESPACE

// workaround for VC++ 6.0 linker bug

typedef bool(*LessThan)(const QPair<QTableWidgetItem*,int>&,const QPair<QTableWidgetItem*,int>&);

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

public:

    enum ItemFlagsExtension {

        ItemIsHeaderItem = 128

    }; // we need this to separate header items from other items

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

    ~QTableModel();

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

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

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

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

    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

        { 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;

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

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

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

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

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

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

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

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

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

    static bool itemLessThan(const QPair<QTableWidgetItem*,int> &left,

                             const QPair<QTableWidgetItem*,int> &right);

    static bool itemGreaterThan(const QPair<QTableWidgetItem*,int> &left,

                                const QPair<QTableWidgetItem*,int> &right);

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

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

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

    static QVector<QTableWidgetItem*>::iterator sortedInsertionIterator(

        const QVector<QTableWidgetItem*>::iterator &begin,

        const QVector<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.count()) + column; }

    void clear();

    void clearContents();

    void itemChanged(QTableWidgetItem *item);

    QTableWidgetItem *createItem() const;

    const QTableWidgetItem *itemPrototype() const;

    void setItemPrototype(const QTableWidgetItem *item);

    // dnd

    QStringList mimeTypes() const;

    QMimeData *mimeData(const QModelIndexList &indexes) const;

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

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

    Qt::DropActions supportedDropActions() const;

    QMimeData *internalMimeData()  const;

private:

    const QTableWidgetItem *prototype;

    QVector<QTableWidgetItem*> tableItems;

    QVector<QTableWidgetItem*> verticalHeaderItems;

    QVector<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();

    // view signals

    void _q_emitItemPressed(const QModelIndex &index);

    void _q_emitItemClicked(const QModelIndex &index);

    void _q_emitItemDoubleClicked(const QModelIndex &index);

    void _q_emitItemActivated(const QModelIndex &index);

    void _q_emitItemEntered(const QModelIndex &index);

    // model signals

    void _q_emitItemChanged(const QModelIndex &index);

    // selection signals

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

    // sorting

    void _q_sort();

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

};

class QTableWidgetItemPrivate

{

public:

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

    QTableWidgetItem *q;

    int id;

};

QT_END_NAMESPACE

#endif // QT_NO_TABLEWIDGET

#endif // QTABLEWIDGET_P_H