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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 QLISTWIDGET_P_H
#define QLISTWIDGET_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 <QtCore/qabstractitemmodel.h>
#include <QtWidgets/qabstractitemview.h>
#include <QtWidgets/qlistwidget.h>
#include <qitemdelegate.h>
#include <private/qlistview_p.h>
#include <private/qwidgetitemdata_p.h>
QT_REQUIRE_CONFIG(listwidget);
QT_BEGIN_NAMESPACE
class QListModelLessThan
{
public:
inline bool operator()(QListWidgetItem *i1, QListWidgetItem *i2) const
{ return *i1 < *i2; }
};
class QListModelGreaterThan
{
public:
inline bool operator()(QListWidgetItem *i1, QListWidgetItem *i2) const
{ return *i2 < *i1; }
};
class Q_AUTOTEST_EXPORT QListModel : public QAbstractListModel
{
Q_OBJECT
friend class QListWidget;
public:
QListModel(QListWidget *parent);
~QListModel();
void clear();
QListWidgetItem *at(int row) const;
void insert(int row, QListWidgetItem *item);
void insert(int row, const QStringList &items);
void remove(QListWidgetItem *item);
QListWidgetItem *take(int row);
void move(int srcRow, int dstRow);
int rowCount(const QModelIndex &parent = QModelIndex()) const override;
QModelIndex index(const QListWidgetItem *item) const;
QModelIndex index(int row, int column = 0, 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 clearItemData(const QModelIndex &index) override;
QMap<int, QVariant> itemData(const QModelIndex &index) const override;
bool insertRows(int row, int count = 1, const QModelIndex &parent = QModelIndex()) override;
bool removeRows(int row, int count = 1, const QModelIndex &parent = QModelIndex()) override;
bool moveRows(const QModelIndex &sourceParent, int sourceRow, int count, const QModelIndex &destinationParent, int destinationChild) override;
Qt::ItemFlags flags(const QModelIndex &index) const override;
void sort(int column, Qt::SortOrder order) override;
void ensureSorted(int column, Qt::SortOrder order, int start, int end);
static bool itemLessThan(const QPair<QListWidgetItem*,int> &left,
const QPair<QListWidgetItem*,int> &right);
static bool itemGreaterThan(const QPair<QListWidgetItem*,int> &left,
const QPair<QListWidgetItem*,int> &right);
static QList<QListWidgetItem*>::iterator sortedInsertionIterator(
const QList<QListWidgetItem*>::iterator &begin,
const QList<QListWidgetItem*>::iterator &end,
Qt::SortOrder order, QListWidgetItem *item);
void itemChanged(QListWidgetItem *item, const QList<int> &roles = QList<int>());
// dnd
QStringList mimeTypes() const override;
QMimeData *mimeData(const QModelIndexList &indexes) const override;
#if QT_CONFIG(draganddrop)
bool dropMimeData(const QMimeData *data, Qt::DropAction action,
int row, int column, const QModelIndex &parent) override;
Qt::DropActions supportedDropActions() const override;
#endif
QMimeData *internalMimeData() const;
private:
QList<QListWidgetItem*> items;
// A cache must be mutable if get-functions should have const modifiers
mutable QModelIndexList cachedIndexes;
};
class QListWidgetPrivate : public QListViewPrivate
{
Q_DECLARE_PUBLIC(QListWidget)
public:
QListWidgetPrivate() : QListViewPrivate(), sortOrder(Qt::AscendingOrder), sortingEnabled(false) {}
inline QListModel *listModel() const { return qobject_cast<QListModel*>(model); }
void setup();
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);
void _q_emitItemChanged(const QModelIndex &index);
void _q_emitCurrentItemChanged(const QModelIndex ¤t, const QModelIndex &previous);
void _q_sort();
void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
Qt::SortOrder sortOrder;
bool sortingEnabled;
};
class QListWidgetItemPrivate
{
public:
QListWidgetItemPrivate(QListWidgetItem *item) : q(item), theid(-1) {}
QListWidgetItem *q;
QList<QWidgetItemData> values;
int theid;
};
QT_END_NAMESPACE
#endif // QLISTWIDGET_P_H
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