|  | Home · All Classes · Main Classes · Grouped Classes · Modules · Functions |

# previewform.cpp Example File
tools/codecs/previewform.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2004-2008 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 versions 2.0 or 3.0 as published by the Free Software
     ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
     ** included in the packaging of this file.  Alternatively you may (at
     ** your option) use any later version of the GNU General Public
     ** License if such license has been publicly approved by Trolltech ASA
     ** (or its successors, if any) and the KDE Free Qt Foundation.
     **
     ** Please review the following information to ensure GNU General
     ** Public Licensing requirements will be met:
     ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
     ** you are unsure which license is appropriate for your use, please
     ** review the following information:
     ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
     ** or contact the sales department at sales@trolltech.com.
     **
     ** In addition, as a special exception, Trolltech, as the sole
     ** copyright holder for Qt Designer, grants users of the Qt/Eclipse
     ** Integration plug-in the right for the Qt/Eclipse Integration to
     ** link to functionality provided by Qt Designer and its related
     ** libraries.
     **
     ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
     ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
     ** granted herein.
     **
     ** 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);
     }