examples/tools/codecs/previewform.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 00:43:10 +0200
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permissions -rw-r--r--
Revision: 201003 Kit: 201005
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtGui>
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#include "previewform.h"
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PreviewForm::PreviewForm(QWidget *parent)
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    : QDialog(parent)
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{
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    encodingComboBox = new QComboBox;
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    encodingLabel = new QLabel(tr("&Encoding:"));
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    encodingLabel->setBuddy(encodingComboBox);
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    textEdit = new QTextEdit;
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    textEdit->setLineWrapMode(QTextEdit::NoWrap);
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    textEdit->setReadOnly(true);
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    buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
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                                    | QDialogButtonBox::Cancel);
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    connect(encodingComboBox, SIGNAL(activated(int)),
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            this, SLOT(updateTextEdit()));
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    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
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    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
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    QGridLayout *mainLayout = new QGridLayout;
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    mainLayout->addWidget(encodingLabel, 0, 0);
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    mainLayout->addWidget(encodingComboBox, 0, 1);
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    mainLayout->addWidget(textEdit, 1, 0, 1, 2);
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    mainLayout->addWidget(buttonBox, 2, 0, 1, 2);
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    setLayout(mainLayout);
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    setWindowTitle(tr("Choose Encoding"));
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    resize(400, 300);
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}
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void PreviewForm::setCodecList(const QList<QTextCodec *> &list)
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{
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    encodingComboBox->clear();
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    foreach (QTextCodec *codec, list)
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        encodingComboBox->addItem(codec->name(), codec->mibEnum());
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}
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void PreviewForm::setEncodedData(const QByteArray &data)
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{
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    encodedData = data;
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    updateTextEdit();
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}
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void PreviewForm::updateTextEdit()
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{
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    int mib = encodingComboBox->itemData(
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                      encodingComboBox->currentIndex()).toInt();
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    QTextCodec *codec = QTextCodec::codecForMib(mib);
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    QTextStream in(&encodedData);
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    in.setAutoDetectUnicode(false);
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    in.setCodec(codec);
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    decodedStr = in.readAll();
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    textEdit->setPlainText(decodedStr);
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}