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Diffstat (limited to 'examples/widgets/richtext/syntaxhighlighter/highlighter.h')
-rw-r--r-- | examples/widgets/richtext/syntaxhighlighter/highlighter.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/examples/widgets/richtext/syntaxhighlighter/highlighter.h b/examples/widgets/richtext/syntaxhighlighter/highlighter.h new file mode 100644 index 0000000000..3f75063f89 --- /dev/null +++ b/examples/widgets/richtext/syntaxhighlighter/highlighter.h @@ -0,0 +1,84 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef HIGHLIGHTER_H +#define HIGHLIGHTER_H + +#include <QSyntaxHighlighter> + +#include <QHash> +#include <QTextCharFormat> + +QT_BEGIN_NAMESPACE +class QTextDocument; +QT_END_NAMESPACE + +//! [0] +class Highlighter : public QSyntaxHighlighter +{ + Q_OBJECT + +public: + Highlighter(QTextDocument *parent = 0); + +protected: + void highlightBlock(const QString &text); + +private: + struct HighlightingRule + { + QRegExp pattern; + QTextCharFormat format; + }; + QVector<HighlightingRule> highlightingRules; + + QRegExp commentStartExpression; + QRegExp commentEndExpression; + + QTextCharFormat keywordFormat; + QTextCharFormat classFormat; + QTextCharFormat singleLineCommentFormat; + QTextCharFormat multiLineCommentFormat; + QTextCharFormat quotationFormat; + QTextCharFormat functionFormat; +}; +//! [0] + +#endif |