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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QSYNTAXHIGHLIGHTER_H
#define QSYNTAXHIGHLIGHTER_H
#include <QtGui/qtguiglobal.h>
#ifndef QT_NO_SYNTAXHIGHLIGHTER
#include <QtCore/qobject.h>
#include <QtGui/qtextobject.h>
QT_BEGIN_NAMESPACE
class QTextDocument;
class QSyntaxHighlighterPrivate;
class QTextCharFormat;
class QFont;
class QColor;
class QTextBlockUserData;
class Q_GUI_EXPORT QSyntaxHighlighter : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QSyntaxHighlighter)
public:
explicit QSyntaxHighlighter(QObject *parent);
explicit QSyntaxHighlighter(QTextDocument *parent);
~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
#endif // QT_NO_SYNTAXHIGHLIGHTER
#endif // QSYNTAXHIGHLIGHTER_H
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