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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** 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://qt.digia.com
**
****************************************************************************/
#ifndef HUNSPELLWORKER_H
#define HUNSPELLWORKER_H
#include <QThread>
#include <QSemaphore>
#include <QMutex>
#include <QStringList>
#include <QSharedPointer>
#include <hunspell/hunspell.h>
class HunspellTask : public QObject
{
Q_OBJECT
public:
explicit HunspellTask(QObject *parent = 0) :
QObject(parent),
hunspell(0)
{}
virtual void run() = 0;
Hunhandle *hunspell;
};
class HunspellWordList
{
public:
HunspellWordList() :
list(),
index(-1)
{}
QStringList list;
int index;
};
class QTextCodec;
class HunspellBuildSuggestionsTask : public HunspellTask
{
Q_OBJECT
const QTextCodec *textCodec;
public:
QString word;
QSharedPointer<HunspellWordList> wordList;
bool autoCorrect;
void run();
bool spellCheck(const QString &word);
int levenshteinDistance(const QString &s, const QString &t);
QString removeAccentsAndDiacritics(const QString& s);
};
class HunspellUpdateSuggestionsTask : public HunspellTask
{
Q_OBJECT
public:
QSharedPointer<HunspellWordList> wordList;
void run();
signals:
void updateSuggestions(const QStringList &wordList, int activeWordIndex);
};
class HunspellWorker : public QThread
{
Q_OBJECT
public:
explicit HunspellWorker(Hunhandle *hunspell, QObject *parent = 0);
~HunspellWorker();
void addTask(QSharedPointer<HunspellTask> task);
void removeAllTasks();
protected:
void run();
private:
QList<QSharedPointer<HunspellTask> > taskList;
QSemaphore taskSema;
QMutex taskLock;
Hunhandle *hunspell;
bool abort;
};
#endif // HUNSPELLWORKER_H
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