qt5base-lts/examples/widgets/tools/codecs/previewform.cpp
J-P Nurmi cb961007c5 Examples: move widgets specific "tools" examples to the correct place
examples/tools -> examples/widgets/tools

Change-Id: I8b9e23c45e07ce5cd9da8f24a9a9f7ae10b2b107
Reviewed-by: hjk <qthjk@ovi.com>
2012-11-28 00:56:34 +01:00

102 lines
3.6 KiB
C++

/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtWidgets>
#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);
}