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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0

#pragma once

#include "utils_global.h"

#include <QCompleter>

namespace Utils {

class QtcSettings;

namespace Internal { class HistoryCompleterPrivate; }

class QTCREATOR_UTILS_EXPORT HistoryCompleter : public QCompleter
{
    Q_OBJECT

public:
    static void setSettings(QtcSettings *settings);
    HistoryCompleter(const QString &historyKey, QObject *parent = nullptr);
    bool removeHistoryItem(int index);
    QString historyItem() const;
    bool hasHistory() const { return historySize() > 0; }
    static bool historyExistsFor(const QString &historyKey);

private:
    ~HistoryCompleter() override;
    int historySize() const;
    int maximalHistorySize() const;
    void setMaximalHistorySize(int numberOfEntries);

public Q_SLOTS:
    void clearHistory();
    void addEntry(const QString &str);

private:
    Internal::HistoryCompleterPrivate *d;
};

} // namespace Utils