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Diffstat (limited to 'examples/network/torrent/addtorrentdialog.cpp')
| -rw-r--r-- | examples/network/torrent/addtorrentdialog.cpp | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/examples/network/torrent/addtorrentdialog.cpp b/examples/network/torrent/addtorrentdialog.cpp new file mode 100644 index 0000000..fb43f59 --- /dev/null +++ b/examples/network/torrent/addtorrentdialog.cpp @@ -0,0 +1,170 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "addtorrentdialog.h" +#include "metainfo.h" + +#include <QFile> +#include <QFileDialog> +#include <QLineEdit> +#include <QMetaObject> + +static QString stringNumber(qint64 number) +{ + QString tmp; + if (number > (1024 * 1024 * 1024)) + tmp.sprintf("%.2fGB", number / (1024.0 * 1024.0 * 1024.0)); + else if (number > (1024 * 1024)) + tmp.sprintf("%.2fMB", number / (1024.0 * 1024.0)); + else if (number > (1024)) + tmp.sprintf("%.2fKB", number / (1024.0)); + else + tmp.sprintf("%d bytes", int(number)); + return tmp; +} + +AddTorrentDialog::AddTorrentDialog(QWidget *parent) + : QDialog(parent, Qt::Sheet) +{ + ui.setupUi(this); + + connect(ui.browseTorrents, SIGNAL(clicked()), + this, SLOT(selectTorrent())); + connect(ui.browseDestination, SIGNAL(clicked()), + this, SLOT(selectDestination())); + connect(ui.torrentFile, SIGNAL(textChanged(const QString &)), + this, SLOT(setTorrent(const QString &))); + + 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; + foreach (MetaInfoMultiFile file, metaInfo.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(); +} |