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src/qt/include/qsyntaxhighlighter.h
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00001 /****************************************************************************
00002 ** $Id: qt/qsyntaxhighlighter.h   3.3.8   edited Jan 11 14:39 $
00003 **
00004 ** Definition of the QSyntaxHighlighter class
00005 **
00006 ** Created : 022407
00007 **
00008 ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
00009 **
00010 ** This file is part of the widgets module of the Qt GUI Toolkit.
00011 **
00012 ** This file may be distributed under the terms of the Q Public License
00013 ** as defined by Trolltech ASA of Norway and appearing in the file
00014 ** LICENSE.QPL included in the packaging of this file.
00015 **
00016 ** This file may be distributed and/or modified under the terms of the
00017 ** GNU General Public License version 2 as published by the Free Software
00018 ** Foundation and appearing in the file LICENSE.GPL included in the
00019 ** packaging of this file.
00020 **
00021 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
00022 ** licenses may use this file in accordance with the Qt Commercial License
00023 ** Agreement provided with the Software.
00024 **
00025 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00026 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00027 **
00028 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
00029 **   information about Qt Commercial License Agreements.
00030 ** See http://www.trolltech.com/qpl/ for QPL licensing information.
00031 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00032 **
00033 ** Contact info@trolltech.com if any conditions of this licensing are
00034 ** not clear to you.
00035 **
00036 **********************************************************************/
00037 
00038 #ifndef QSYNTAXHIGHLIGHTER_H
00039 #define QSYNTAXHIGHLIGHTER_H
00040 
00041 #ifndef QT_H
00042 #include "qfont.h"
00043 #include "qcolor.h"
00044 #include "qstring.h"
00045 #endif // QT_H
00046 
00047 class QTextEdit;
00048 class QSyntaxHighlighterInternal;
00049 class QSyntaxHighlighterPrivate;
00050 class QTextParagraph;
00051 
00052 class Q_EXPORT QSyntaxHighlighter : public Qt
00053 {
00054     friend class QSyntaxHighlighterInternal;
00055 
00056 public:
00057     QSyntaxHighlighter( QTextEdit *textEdit );
00058     virtual ~QSyntaxHighlighter();
00059 
00060     virtual int highlightParagraph( const QString &text, int endStateOfLastPara ) = 0;
00061 
00062     void setFormat( int start, int count, const QFont &font, const QColor &color );
00063     void setFormat( int start, int count, const QColor &color );
00064     void setFormat( int start, int count, const QFont &font );
00065     QTextEdit *textEdit() const { return edit; }
00066 
00067     void rehighlight();
00068 
00069     int currentParagraph() const;
00070 
00071 private:
00072     QTextParagraph *para;
00073     QTextEdit *edit;
00074     QSyntaxHighlighterPrivate *d;
00075 
00076 };
00077 
00078 #endif
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