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qt4-doc-4.2.1-1.el5_7.1.x86_64.rpm

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<pre> /****************************************************************************
 **
 ** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
 **
 ** This file is part of the example classes of the Qt Toolkit.
 **
 ** This file may be used under the terms of the GNU General Public
 ** License version 2.0 as published by the Free Software Foundation
 ** and appearing in the file LICENSE.GPL included in the packaging of
 ** this file.  Please review the following information to ensure GNU
 ** General Public Licensing requirements will be met:
 ** http:<span class="comment">//www.trolltech.com/products/qt/opensource.html</span>
 **
 ** If you are unsure which license is appropriate for your use, please
 ** review the following information:
 ** http:<span class="comment">//www.trolltech.com/products/qt/licensing.html or contact the</span>
 ** sales department at sales@trolltech.com.
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 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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 ****************************************************************************/

 #include &lt;QtGui&gt;

 #include &quot;previewform.h&quot;

 PreviewForm::PreviewForm(QWidget *parent)
     : QDialog(parent)
 {
     encodingComboBox = new QComboBox;

     encodingLabel = new QLabel(tr(&quot;&amp;Encoding:&quot;));
     encodingLabel-&gt;setBuddy(encodingComboBox);

     textEdit = new QTextEdit;
     textEdit-&gt;setLineWrapMode(QTextEdit::NoWrap);
     textEdit-&gt;setReadOnly(true);

     buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
                                     | QDialogButtonBox::Cancel);

     connect(encodingComboBox, SIGNAL(activated(int)),
             this, SLOT(updateTextEdit()));
     connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
     connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

     QGridLayout *mainLayout = new QGridLayout;
     mainLayout-&gt;addWidget(encodingLabel, 0, 0);
     mainLayout-&gt;addWidget(encodingComboBox, 0, 1);
     mainLayout-&gt;addWidget(textEdit, 1, 0, 1, 2);
     mainLayout-&gt;addWidget(buttonBox, 2, 0, 1, 2);
     setLayout(mainLayout);

     setWindowTitle(tr(&quot;Choose Encoding&quot;));
     resize(400, 300);
 }

 void PreviewForm::setCodecList(const QList&lt;QTextCodec *&gt; &amp;list)
 {
     encodingComboBox-&gt;clear();
     foreach (QTextCodec *codec, list)
         encodingComboBox-&gt;addItem(codec-&gt;name(), codec-&gt;mibEnum());
 }

 void PreviewForm::setEncodedData(const QByteArray &amp;data)
 {
     encodedData = data;
     updateTextEdit();
 }

 void PreviewForm::updateTextEdit()
 {
     int mib = encodingComboBox-&gt;itemData(
                       encodingComboBox-&gt;currentIndex()).toInt();
     QTextCodec *codec = QTextCodec::codecForMib(mib);

     QTextStream in(&amp;encodedData);
     in.setAutoDetectUnicode(false);
     in.setCodec(codec);
     decodedStr = in.readAll();

     textEdit-&gt;setPlainText(decodedStr);
 }</pre>
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