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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://www.qt.io
**
** This file is part of the Qt Virtual Keyboard add-on for Qt Enterprise.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://www.qt.io
**
****************************************************************************/
#ifndef PINYINDECODERSERVICE_H
#define PINYINDECODERSERVICE_H
#include <QObject>
class PinyinDecoderService : public QObject
{
Q_OBJECT
Q_DISABLE_COPY(PinyinDecoderService)
explicit PinyinDecoderService(QObject *parent = 0);
public:
~PinyinDecoderService();
static PinyinDecoderService *getInstance();
bool init();
void setUserDictionary(bool enabled);
bool isUserDictionaryEnabled() const;
void setLimits(int maxSpelling, int maxHzsLen);
int search(const QString &spelling);
int deleteSearch(int pos, bool isPosInSpellingId, bool clearFixedInThisStep);
void resetSearch();
QString pinyinString(bool decoded);
int pinyinStringLength(bool decoded);
QVector<int> spellingStartPositions();
QString candidateAt(int index);
QList<QString> fetchCandidates(int index, int count, int sentFixedLen);
int chooceCandidate(int index);
int cancelLastChoice();
int fixedLength();
void flushCache();
QList<QString> predictionList(const QString &history);
private:
static QScopedPointer<PinyinDecoderService> _instance;
bool initDone;
};
#endif // PINYINDECODERSERVICE_H
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