qt5base-lts/examples/network/torrent/addtorrentdialog.cpp
Lucie Gérard 05fc3aef53 Use SPDX license identifiers
Replace the current license disclaimer in files by
a SPDX-License-Identifier.
Files that have to be modified by hand are modified.
License files are organized under LICENSES directory.

Task-number: QTBUG-67283
Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-05-16 16:37:38 +02:00

132 lines
4.1 KiB
C++

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "addtorrentdialog.h"
#include "metainfo.h"
#include <QFile>
#include <QFileDialog>
#include <QLineEdit>
#include <QMetaObject>
static QString stringNumber(qint64 number)
{
if (number > (1024 * 1024 * 1024))
return QString::asprintf("%.2fGB", number / (1024.0 * 1024.0 * 1024.0));
else if (number > (1024 * 1024))
return QString::asprintf("%.2fMB", number / (1024.0 * 1024.0));
else if (number > (1024))
return QString::asprintf("%.2fKB", number / (1024.0));
else
return QString::asprintf("%d bytes", int(number));
}
AddTorrentDialog::AddTorrentDialog(QWidget *parent)
: QDialog(parent, Qt::Sheet)
{
ui.setupUi(this);
connect(ui.browseTorrents, &QPushButton::clicked,
this, &AddTorrentDialog::selectTorrent);
connect(ui.browseDestination, &QPushButton::clicked,
this, &AddTorrentDialog::selectDestination);
connect(ui.torrentFile, &QLineEdit::textChanged,
this, &AddTorrentDialog::setTorrent);
ui.destinationFolder->setText(destinationDirectory = QDir::current().path());
ui.torrentFile->setFocus();
}
void AddTorrentDialog::selectTorrent()
{
QString fileName = QFileDialog::getOpenFileName(this, tr("Choose a torrent file"),
lastDirectory,
tr("Torrents (*.torrent);; All files (*.*)"));
if (fileName.isEmpty())
return;
lastDirectory = QFileInfo(fileName).absolutePath();
setTorrent(fileName);
}
void AddTorrentDialog::selectDestination()
{
QString dir = QFileDialog::getExistingDirectory(this, tr("Choose a destination directory"),
lastDestinationDirectory);
if (dir.isEmpty())
return;
lastDestinationDirectory = destinationDirectory = dir;
ui.destinationFolder->setText(destinationDirectory);
enableOkButton();
}
void AddTorrentDialog::enableOkButton()
{
ui.okButton->setEnabled(!ui.destinationFolder->text().isEmpty()
&& !ui.torrentFile->text().isEmpty());
}
void AddTorrentDialog::setTorrent(const QString &torrentFile)
{
if (torrentFile.isEmpty()) {
enableOkButton();
return;
}
ui.torrentFile->setText(torrentFile);
if (!torrentFile.isEmpty())
lastDirectory = QFileInfo(torrentFile).absolutePath();
if (lastDestinationDirectory.isEmpty())
lastDestinationDirectory = lastDirectory;
MetaInfo metaInfo;
QFile torrent(torrentFile);
if (!torrent.open(QFile::ReadOnly) || !metaInfo.parse(torrent.readAll())) {
enableOkButton();
return;
}
ui.torrentFile->setText(torrentFile);
ui.announceUrl->setText(metaInfo.announceUrl());
if (metaInfo.comment().isEmpty())
ui.commentLabel->setText("<unknown>");
else
ui.commentLabel->setText(metaInfo.comment());
if (metaInfo.createdBy().isEmpty())
ui.creatorLabel->setText("<unknown>");
else
ui.creatorLabel->setText(metaInfo.createdBy());
ui.sizeLabel->setText(stringNumber(metaInfo.totalSize()));
if (metaInfo.fileForm() == MetaInfo::SingleFileForm) {
ui.torrentContents->setHtml(metaInfo.singleFile().name);
} else {
QString html;
const QList<MetaInfoMultiFile> multiFiles = metaInfo.multiFiles();
for (const MetaInfoMultiFile &file : multiFiles) {
QString name = metaInfo.name();
if (!name.isEmpty()) {
html += name;
if (!name.endsWith('/'))
html += '/';
}
html += file.path + "<br>";
}
ui.torrentContents->setHtml(html);
}
QFileInfo info(torrentFile);
ui.destinationFolder->setText(info.absolutePath());
enableOkButton();
}
QString AddTorrentDialog::torrentFileName() const
{
return ui.torrentFile->text();
}
QString AddTorrentDialog::destinationFolder() const
{
return ui.destinationFolder->text();
}