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textedit.cpp Example File
help/simpletextviewer/textedit.cpp

 /****************************************************************************
 **
 ** Copyright (C) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
 ** Licensees holding a valid Qt License Agreement may use this file in
 ** accordance with the rights, responsibilities and obligations
 ** contained therein.  Please consult your licensing agreement or
 ** contact [email protected] if any conditions of this licensing
 ** agreement are not clear to you.
 **
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 ** http://trolltech.com/products/appdev/licensing.
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 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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 #include <QtCore/QFileInfo>
 #include <QtCore/QFile>

 #include "textedit.h"

 TextEdit::TextEdit(QWidget *parent)
     : QTextEdit(parent)
 {
     setReadOnly(true);
 }

 void TextEdit::setContents(const QString &fileName)
 {
     QFileInfo fi(fileName);
     srcUrl = QUrl::fromLocalFile(fi.absoluteFilePath());
     QFile file(fileName);
     if (file.open(QIODevice::ReadOnly)) {
         QString data(file.readAll());
         if (fileName.endsWith(".html"))
             setHtml(data);
         else
             setPlainText(data);
     }
 }

 QVariant TextEdit::loadResource(int type, const QUrl &name)
 {
     if (type == QTextDocument::ImageResource) {
         QFile file(srcUrl.resolved(name).toLocalFile());
         if (file.open(QIODevice::ReadOnly))
             return file.readAll();
     }
     return QTextEdit::loadResource(type, name);
 }


Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies) Trademarks
Qt 4.4.3