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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 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();
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;
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 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);
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;
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 ¤t);
// sorting
void sort();
void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
std::array<QMetaObject::Connection, 10> connections;
};
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
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