qt5base-lts/examples/widgets/tools/codecs/previewform.cpp
Jani Heikkinen 2b75c156b6 Updated BSD licensed file headers
Change-Id: I6441ff931dbd33b698d762e6f6784898f3f60fe7
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
2015-02-15 07:41:17 +00:00

102 lines
3.6 KiB
C++

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
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**
** This file is part of the examples of the Qt Toolkit.
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#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);
}