source: trunk/src/gui/itemviews/qlistwidget_p.h@ 465

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#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(