historycompleter.h 2.29 KB
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
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**
** GNU Lesser General Public License Usage
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** 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.
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**
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** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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****************************************************************************/
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#ifndef HISTORYCOMPLETER_H
#define HISTORYCOMPLETER_H

#include "utils_global.h"

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#include <QCompleter>
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QT_BEGIN_NAMESPACE
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class QLineEdit;
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class QSettings;
QT_END_NAMESPACE
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namespace Utils {
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namespace Internal { class HistoryCompleterPrivate; }
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class QTCREATOR_UTILS_EXPORT HistoryCompleter : public QCompleter
{
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    Q_OBJECT

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public:
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    static void setSettings(QSettings *settings);
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    HistoryCompleter(QLineEdit *lineEdit, const QString &historyKey, QObject *parent = 0);
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    bool removeHistoryItem(int index);
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private:
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    ~HistoryCompleter();
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    int historySize() const;
    int maximalHistorySize() const;
    void setMaximalHistorySize(int numberOfEntries);
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    bool eventFilter(QObject *obj, QEvent *event);
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public Q_SLOTS:
    void clearHistory();
    void saveHistory();
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private:
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    Internal::HistoryCompleterPrivate *d;
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};

} // namespace Utils

#endif // HISTORYCOMPLETER_H