<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Qt 4.2: previewform.cpp Example File (tools/codecs/previewform.cpp)</title> <link href="classic.css" rel="stylesheet" type="text/css" /> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td align="left" valign="top" width="32"><a href="http://www.trolltech.com/products/qt"><img src="images/qt-logo.png" align="left" width="32" height="32" border="0" /></a></td> <td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td> <td align="right" valign="top" width="230"><a href="http://www.trolltech.com"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></a></td></tr></table><h1 align="center">previewform.cpp Example File<br /><sup><sup>tools/codecs/previewform.cpp</sup></sup></h1> <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. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/ #include <QtGui> #include "previewform.h" PreviewForm::PreviewForm(QWidget *parent) : QDialog(parent) { encodingComboBox = new QComboBox; encodingLabel = new QLabel(tr("&Encoding:")); encodingLabel->setBuddy(encodingComboBox); textEdit = new QTextEdit; textEdit->setLineWrapMode(QTextEdit::NoWrap); textEdit->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->addWidget(encodingLabel, 0, 0); mainLayout->addWidget(encodingComboBox, 0, 1); mainLayout->addWidget(textEdit, 1, 0, 1, 2); mainLayout->addWidget(buttonBox, 2, 0, 1, 2); setLayout(mainLayout); setWindowTitle(tr("Choose Encoding")); resize(400, 300); } void PreviewForm::setCodecList(const QList<QTextCodec *> &list) { encodingComboBox->clear(); foreach (QTextCodec *codec, list) encodingComboBox->addItem(codec->name(), codec->mibEnum()); } void PreviewForm::setEncodedData(const QByteArray &data) { encodedData = data; updateTextEdit(); } void PreviewForm::updateTextEdit() { int mib = encodingComboBox->itemData( encodingComboBox->currentIndex()).toInt(); QTextCodec *codec = QTextCodec::codecForMib(mib); QTextStream in(&encodedData); in.setAutoDetectUnicode(false); in.setCodec(codec); decodedStr = in.readAll(); textEdit->setPlainText(decodedStr); }</pre> <p /><address><hr /><div align="center"> <table width="100%" cellspacing="0" border="0"><tr class="address"> <td width="30%">Copyright © 2006 <a href="trolltech.html">Trolltech</a></td> <td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td> <td width="30%" align="right"><div align="right">Qt 4.2.1</div></td> </tr></table></div></address></body> </html>