src/qt/include/qsyntaxhighlighter.h

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/****************************************************************************
** $Id: qt/qsyntaxhighlighter.h   3.3.8   edited Jan 11 14:39 $
**
** Definition of the QSyntaxHighlighter class
**
** Created : 022407
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the widgets module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech ASA of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
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**********************************************************************/

#ifndef QSYNTAXHIGHLIGHTER_H
#define QSYNTAXHIGHLIGHTER_H

#ifndef QT_H
#include "qfont.h"
#include "qcolor.h"
#include "qstring.h"
#endif // QT_H

class QTextEdit;
class QSyntaxHighlighterInternal;
class QSyntaxHighlighterPrivate;
class QTextParagraph;

class Q_EXPORT QSyntaxHighlighter : public Qt
{
    friend class QSyntaxHighlighterInternal;

public:
    QSyntaxHighlighter( QTextEdit *textEdit );
    virtual ~QSyntaxHighlighter();

    virtual int highlightParagraph( const QString &text, int endStateOfLastPara ) = 0;

    void setFormat( int start, int count, const QFont &font, const QColor &color );
    void setFormat( int start, int count, const QColor &color );
    void setFormat( int start, int count, const QFont &font );
    QTextEdit *textEdit() const { return edit; }

    void rehighlight();

    int currentParagraph() const;

private:
    QTextParagraph *para;
    QTextEdit *edit;
    QSyntaxHighlighterPrivate *d;

};

#endif