/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtGui module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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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+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** 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, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia 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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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QSYNTAXHIGHLIGHTER_H+
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#define QSYNTAXHIGHLIGHTER_H+
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+
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#include <QtCore/qglobal.h>+
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+
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#ifndef QT_NO_SYNTAXHIGHLIGHTER+
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+
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#include <QtCore/qobject.h>+
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#include <QtGui/qtextobject.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Gui)+
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+
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class QTextDocument;+
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class QSyntaxHighlighterPrivate;+
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class QTextCharFormat;+
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class QFont;+
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class QColor;+
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class QTextBlockUserData;+
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class QTextEdit;+
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+
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class Q_GUI_EXPORT QSyntaxHighlighter : public QObject+
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{+
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    Q_OBJECT+
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    Q_DECLARE_PRIVATE(QSyntaxHighlighter)+
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public:+
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    QSyntaxHighlighter(QObject *parent);+
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    QSyntaxHighlighter(QTextDocument *parent);+
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    QSyntaxHighlighter(QTextEdit *parent);+
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    virtual ~QSyntaxHighlighter();+
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+
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    void setDocument(QTextDocument *doc);+
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    QTextDocument *document() const;+
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+
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public Q_SLOTS:+
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    void rehighlight();+
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    void rehighlightBlock(const QTextBlock &block);+
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+
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protected:+
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    virtual void highlightBlock(const QString &text) = 0;+
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+
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    void setFormat(int start, int count, const QTextCharFormat &format);+
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    void setFormat(int start, int count, const QColor &color);+
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    void setFormat(int start, int count, const QFont &font);+
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    QTextCharFormat format(int pos) const;+
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+
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    int previousBlockState() const;+
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    int currentBlockState() const;+
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    void setCurrentBlockState(int newState);+
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+
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    void setCurrentBlockUserData(QTextBlockUserData *data);+
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    QTextBlockUserData *currentBlockUserData() const;+
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+
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    QTextBlock currentBlock() const;+
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+
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private:+
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    Q_DISABLE_COPY(QSyntaxHighlighter)+
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    Q_PRIVATE_SLOT(d_func(), void _q_reformatBlocks(int from, int charsRemoved, int charsAdded))+
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    Q_PRIVATE_SLOT(d_func(), void _q_delayedRehighlight())+
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};+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // QT_NO_SYNTAXHIGHLIGHTER+
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+
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#endif // QSYNTAXHIGHLIGHTER_H+
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