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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#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 <QtCore/qabstractitemmodel.h>
#include <QtGui/qabstractitemview.h>
#include <QtGui/qlistwidget.h>
#include <qitemdelegate.h>
#include <private/qlistview_p.h>
#include <private/qwidgetitemdata_p.h>
#ifndef QT_NO_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 QListModel : public QAbstractListModel
{
Q_OBJECT
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);
int rowCount(const QModelIndex &parent = QModelIndex()) const;
QModelIndex index(QListWidgetItem *item) const;
QModelIndex index(int row, int column = 0, 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);
QMap<int, QVariant> itemData(const QModelIndex &index) const;
bool insertRows(int row, int count = 1, const QModelIndex &parent = QModelIndex());
bool removeRows(int row, int count = 1, const QModelIndex &parent = QModelIndex());
Qt::ItemFlags flags(const QModelIndex &index) const;
void sort(int column, Qt::SortOrder order);
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);
// dnd
QStringList mimeTypes() const;
QMimeData *mimeData(const QModelIndexList &indexes) const;
#ifndef QT_NO_DRAGANDDROP
bool dropMimeData(const QMimeData *data, Qt::DropAction action,
int row, int column, const QModelIndex &parent);
Qt::DropActions supportedDropActions() const;
#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;
int id;
QVector<QWidgetItemData> values;
int theid;
};
QT_END_NAMESPACE
#endif // QT_NO_LISTWIDGET
#endif // QLISTWIDGET_P_H
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