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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** 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.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSYNTAXHIGHLIGHTER_H
#define QSYNTAXHIGHLIGHTER_H
#include <QtCore/qglobal.h>
#ifndef QT_NO_SYNTAXHIGHLIGHTER
#include <QtCore/qobject.h>
#include <QtGui/qtextobject.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class QTextDocument;
class QSyntaxHighlighterPrivate;
class QTextCharFormat;
class QFont;
class QColor;
class QTextBlockUserData;
class QTextEdit;
class Q_GUI_EXPORT QSyntaxHighlighter : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QSyntaxHighlighter)
public:
QSyntaxHighlighter(QObject *parent);
QSyntaxHighlighter(QTextDocument *parent);
QSyntaxHighlighter(QTextEdit *parent);
virtual ~QSyntaxHighlighter();
void setDocument(QTextDocument *doc);
QTextDocument *document() const;
public Q_SLOTS:
void rehighlight();
void rehighlightBlock(const QTextBlock &block);
protected:
virtual void highlightBlock(const QString &text) = 0;
void setFormat(int start, int count, const QTextCharFormat &format);
void setFormat(int start, int count, const QColor &color);
void setFormat(int start, int count, const QFont &font);
QTextCharFormat format(int pos) const;
int previousBlockState() const;
int currentBlockState() const;
void setCurrentBlockState(int newState);
void setCurrentBlockUserData(QTextBlockUserData *data);
QTextBlockUserData *currentBlockUserData() const;
QTextBlock currentBlock() const;
private:
Q_DISABLE_COPY(QSyntaxHighlighter)
Q_PRIVATE_SLOT(d_func(), void _q_reformatBlocks(int from, int charsRemoved, int charsAdded))
Q_PRIVATE_SLOT(d_func(), void _q_delayedRehighlight())
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QT_NO_SYNTAXHIGHLIGHTER
#endif // QSYNTAXHIGHLIGHTER_H
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