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src
gui
qgsexpressionhighlighter.h
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/***************************************************************************
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qgsexpressionhighlighter.h - A syntax highlighter for a qgsexpression
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--------------------------------------
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Date : 28-Dec-2011
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Copyright : (C) 2011 by Nathan Woodrow
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Email : woodrow.nathan at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSEXPRESSIONHIGHLIGHTER_H
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#define QGSEXPRESSIONHIGHLIGHTER_H
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#include "
qgsfield.h
"
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#include <QSyntaxHighlighter>
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#include <QHash>
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#include <QTextCharFormat>
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#include <QStringList>
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class
QTextDocument
;
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class
GUI_EXPORT
QgsExpressionHighlighter
:
public
QSyntaxHighlighter
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{
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Q_OBJECT
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public
:
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QgsExpressionHighlighter
(
QTextDocument
*parent =
nullptr
);
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void
addFields(
const
QStringList
& fieldList );
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protected
:
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void
highlightBlock
(
const
QString
&text )
override
;
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private
:
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struct
HighlightingRule
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{
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QRegExp
pattern;
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QTextCharFormat
format;
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};
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QVector<HighlightingRule>
highlightingRules;
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QTextCharFormat
columnNameFormat;
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QTextCharFormat
keywordFormat;
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QTextCharFormat
quotationFormat;
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QTextCharFormat
functionFormat;
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};
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#endif // QGSEXPRESSIONHIGHLIGHTER_H
qgsfield.h
QSyntaxHighlighter
QSyntaxHighlighter::highlightBlock
virtual void highlightBlock(const QString &text)=0
QRegExp
QString
QStringList
QgsExpressionHighlighter
Definition:
qgsexpressionhighlighter.h:28
QTextCharFormat
QVector< HighlightingRule >
QTextDocument
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