1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the examples of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include <QtGui>

    43 

    44 #include "previewform.h"

    45 

    46 PreviewForm::PreviewForm(QWidget *parent)

    47     : QDialog(parent)

    48 {

    49     encodingComboBox = new QComboBox;

    50 

    51     encodingLabel = new QLabel(tr("&Encoding:"));

    52     encodingLabel->setBuddy(encodingComboBox);

    53 

    54     textEdit = new QTextEdit;

    55     textEdit->setLineWrapMode(QTextEdit::NoWrap);

    56     textEdit->setReadOnly(true);

    57 

    58     buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok

    59                                     | QDialogButtonBox::Cancel);

    60 

    61     connect(encodingComboBox, SIGNAL(activated(int)),

    62             this, SLOT(updateTextEdit()));

    63     connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));

    64     connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

    65 

    66     QGridLayout *mainLayout = new QGridLayout;

    67     mainLayout->addWidget(encodingLabel, 0, 0);

    68     mainLayout->addWidget(encodingComboBox, 0, 1);

    69     mainLayout->addWidget(textEdit, 1, 0, 1, 2);

    70     mainLayout->addWidget(buttonBox, 2, 0, 1, 2);

    71     setLayout(mainLayout);

    72 

    73     setWindowTitle(tr("Choose Encoding"));

    74     resize(400, 300);

    75 }

    76 

    77 void PreviewForm::setCodecList(const QList<QTextCodec *> &list)

    78 {

    79     encodingComboBox->clear();

    80     foreach (QTextCodec *codec, list)

    81         encodingComboBox->addItem(codec->name(), codec->mibEnum());

    82 }

    83 

    84 void PreviewForm::setEncodedData(const QByteArray &data)

    85 {

    86     encodedData = data;

    87     updateTextEdit();

    88 }

    89 

    90 void PreviewForm::updateTextEdit()

    91 {

    92     int mib = encodingComboBox->itemData(

    93                       encodingComboBox->currentIndex()).toInt();

    94     QTextCodec *codec = QTextCodec::codecForMib(mib);

    95 

    96     QTextStream in(&encodedData);

    97     in.setAutoDetectUnicode(false);

    98     in.setCodec(codec);

    99     decodedStr = in.readAll();

   100 

   101     textEdit->setPlainText(decodedStr);

   102 }