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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtGui>
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#include "addtorrentdialog.h"
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#include "mainwindow.h"
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#include "ratecontroller.h"
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#include "torrentclient.h"
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// TorrentView extends QTreeWidget to allow drag and drop.
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class TorrentView : public QTreeWidget
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{
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Q_OBJECT
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public:
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TorrentView(QWidget *parent = 0);
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signals:
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void fileDropped(const QString &fileName);
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protected:
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void dragMoveEvent(QDragMoveEvent *event);
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void dropEvent(QDropEvent *event);
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};
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// TorrentViewDelegate is used to draw the progress bars.
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class TorrentViewDelegate : public QItemDelegate
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{
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Q_OBJECT
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public:
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inline TorrentViewDelegate(MainWindow *mainWindow) : QItemDelegate(mainWindow) {}
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inline void paint(QPainter *painter, const QStyleOptionViewItem &option,
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const QModelIndex &index ) const
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{
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if (index.column() != 2) {
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QItemDelegate::paint(painter, option, index);
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return;
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}
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// Set up a QStyleOptionProgressBar to precisely mimic the
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// environment of a progress bar.
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QStyleOptionProgressBar progressBarOption;
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progressBarOption.state = QStyle::State_Enabled;
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progressBarOption.direction = QApplication::layoutDirection();
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progressBarOption.rect = option.rect;
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progressBarOption.fontMetrics = QApplication::fontMetrics();
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progressBarOption.minimum = 0;
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progressBarOption.maximum = 100;
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progressBarOption.textAlignment = Qt::AlignCenter;
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progressBarOption.textVisible = true;
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// Set the progress and text values of the style option.
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int progress = qobject_cast<MainWindow *>(parent())->clientForRow(index.row())->progress();
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progressBarOption.progress = progress < 0 ? 0 : progress;
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progressBarOption.text = QString().sprintf("%d%%", progressBarOption.progress);
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// Draw the progress bar onto the view.
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QApplication::style()->drawControl(QStyle::CE_ProgressBar, &progressBarOption, painter);
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}
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};
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent), quitDialog(0), saveChanges(false)
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{
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// Initialize some static strings
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QStringList headers;
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headers << tr("Torrent") << tr("Peers/Seeds") << tr("Progress")
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<< tr("Down rate") << tr("Up rate") << tr("Status");
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// Main torrent list
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torrentView = new TorrentView(this);
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torrentView->setItemDelegate(new TorrentViewDelegate(this));
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torrentView->setHeaderLabels(headers);
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torrentView->setSelectionBehavior(QAbstractItemView::SelectRows);
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torrentView->setAlternatingRowColors(true);
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torrentView->setRootIsDecorated(false);
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setCentralWidget(torrentView);
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// Set header resize modes and initial section sizes
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QFontMetrics fm = fontMetrics();
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QHeaderView *header = torrentView->header();
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header->resizeSection(0, fm.width("typical-name-for-a-torrent.torrent"));
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header->resizeSection(1, fm.width(headers.at(1) + " "));
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header->resizeSection(2, fm.width(headers.at(2) + " "));
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header->resizeSection(3, qMax(fm.width(headers.at(3) + " "), fm.width(" 1234.0 KB/s ")));
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header->resizeSection(4, qMax(fm.width(headers.at(4) + " "), fm.width(" 1234.0 KB/s ")));
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header->resizeSection(5, qMax(fm.width(headers.at(5) + " "), fm.width(tr("Downloading") + " ")));
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// Create common actions
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QAction *newTorrentAction = new QAction(QIcon(":/icons/bottom.png"), tr("Add &new torrent"), this);
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pauseTorrentAction = new QAction(QIcon(":/icons/player_pause.png"), tr("&Pause torrent"), this);
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removeTorrentAction = new QAction(QIcon(":/icons/player_stop.png"), tr("&Remove torrent"), this);
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// File menu
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QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
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fileMenu->addAction(newTorrentAction);
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fileMenu->addAction(pauseTorrentAction);
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fileMenu->addAction(removeTorrentAction);
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fileMenu->addSeparator();
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fileMenu->addAction(QIcon(":/icons/exit.png"), tr("E&xit"), this, SLOT(close()));
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// Help menu
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QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
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helpMenu->addAction(tr("&About"), this, SLOT(about()));
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helpMenu->addAction(tr("About &Qt"), qApp, SLOT(aboutQt()));
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// Top toolbar
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QToolBar *topBar = new QToolBar(tr("Tools"));
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addToolBar(Qt::TopToolBarArea, topBar);
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topBar->setMovable(false);
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topBar->addAction(newTorrentAction);
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topBar->addAction(removeTorrentAction);
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topBar->addAction(pauseTorrentAction);
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topBar->addSeparator();
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downActionTool = topBar->addAction(QIcon(tr(":/icons/1downarrow.png")), tr("Move down"));
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upActionTool = topBar->addAction(QIcon(tr(":/icons/1uparrow.png")), tr("Move up"));
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// Bottom toolbar
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QToolBar *bottomBar = new QToolBar(tr("Rate control"));
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addToolBar(Qt::BottomToolBarArea, bottomBar);
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bottomBar->setMovable(false);
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downloadLimitSlider = new QSlider(Qt::Horizontal);
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downloadLimitSlider->setRange(0, 1000);
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bottomBar->addWidget(new QLabel(tr("Max download:")));
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bottomBar->addWidget(downloadLimitSlider);
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bottomBar->addWidget((downloadLimitLabel = new QLabel(tr("0 KB/s"))));
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downloadLimitLabel->setFixedSize(QSize(fm.width(tr("99999 KB/s")), fm.lineSpacing()));
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bottomBar->addSeparator();
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uploadLimitSlider = new QSlider(Qt::Horizontal);
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uploadLimitSlider->setRange(0, 1000);
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bottomBar->addWidget(new QLabel(tr("Max upload:")));
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bottomBar->addWidget(uploadLimitSlider);
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bottomBar->addWidget((uploadLimitLabel = new QLabel(tr("0 KB/s"))));
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uploadLimitLabel->setFixedSize(QSize(fm.width(tr("99999 KB/s")), fm.lineSpacing()));
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// Set up connections
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connect(torrentView, SIGNAL(itemSelectionChanged()),
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this, SLOT(setActionsEnabled()));
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connect(torrentView, SIGNAL(fileDropped(const QString &)),
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this, SLOT(acceptFileDrop(const QString &)));
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connect(uploadLimitSlider, SIGNAL(valueChanged(int)),
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this, SLOT(setUploadLimit(int)));
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connect(downloadLimitSlider, SIGNAL(valueChanged(int)),
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this, SLOT(setDownloadLimit(int)));
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connect(newTorrentAction, SIGNAL(triggered()),
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this, SLOT(addTorrent()));
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connect(pauseTorrentAction, SIGNAL(triggered()),
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this, SLOT(pauseTorrent()));
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connect(removeTorrentAction, SIGNAL(triggered()),
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this, SLOT(removeTorrent()));
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connect(upActionTool, SIGNAL(triggered(bool)),
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this, SLOT(moveTorrentUp()));
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connect(downActionTool, SIGNAL(triggered(bool)),
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this, SLOT(moveTorrentDown()));
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// Load settings and start
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setWindowTitle(tr("Torrent Client"));
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setActionsEnabled();
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QMetaObject::invokeMethod(this, "loadSettings", Qt::QueuedConnection);
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}
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QSize MainWindow::sizeHint() const
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{
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const QHeaderView *header = torrentView->header();
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// Add up the sizes of all header sections. The last section is
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// stretched, so its size is relative to the size of the width;
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// instead of counting it, we count the size of its largest value.
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int width = fontMetrics().width(tr("Downloading") + " ");
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for (int i = 0; i < header->count() - 1; ++i)
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width += header->sectionSize(i);
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return QSize(width, QMainWindow::sizeHint().height())
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.expandedTo(QApplication::globalStrut());
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}
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const TorrentClient *MainWindow::clientForRow(int row) const
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{
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// Return the client at the given row.
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return jobs.at(row).client;
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}
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int MainWindow::rowOfClient(TorrentClient *client) const
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{
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// Return the row that displays this client's status, or -1 if the
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// client is not known.
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int row = 0;
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foreach (Job job, jobs) {
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if (job.client == client)
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return row;
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++row;
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}
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return -1;
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}
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void MainWindow::loadSettings()
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{
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// Load base settings (last working directory, upload/download limits).
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QSettings settings("Trolltech", "Torrent");
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lastDirectory = settings.value("LastDirectory").toString();
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if (lastDirectory.isEmpty())
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lastDirectory = QDir::currentPath();
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int up = settings.value("UploadLimit").toInt();
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int down = settings.value("DownloadLimit").toInt();
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uploadLimitSlider->setValue(up ? up : 170);
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downloadLimitSlider->setValue(down ? down : 550);
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// Resume all previous downloads.
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int size = settings.beginReadArray("Torrents");
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for (int i = 0; i < size; ++i) {
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settings.setArrayIndex(i);
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QByteArray resumeState = settings.value("resumeState").toByteArray();
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QString fileName = settings.value("sourceFileName").toString();
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QString dest = settings.value("destinationFolder").toString();
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if (addTorrent(fileName, dest, resumeState)) {
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TorrentClient *client = jobs.last().client;
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client->setDownloadedBytes(settings.value("downloadedBytes").toLongLong());
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client->setUploadedBytes(settings.value("uploadedBytes").toLongLong());
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}
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}
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}
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bool MainWindow::addTorrent()
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{
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// Show the file dialog, let the user select what torrent to start downloading.
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QString fileName = QFileDialog::getOpenFileName(this, tr("Choose a torrent file"),
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lastDirectory,
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tr("Torrents (*.torrent);;"
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" All files (*.*)"));
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if (fileName.isEmpty())
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return false;
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lastDirectory = QFileInfo(fileName).absolutePath();
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// Show the "Add Torrent" dialog.
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AddTorrentDialog *addTorrentDialog = new AddTorrentDialog(this);
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addTorrentDialog->setTorrent(fileName);
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addTorrentDialog->deleteLater();
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if (!addTorrentDialog->exec())
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return false;
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// Add the torrent to our list of downloads
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addTorrent(fileName, addTorrentDialog->destinationFolder());
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if (!saveChanges) {
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saveChanges = true;
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QTimer::singleShot(1000, this, SLOT(saveSettings()));
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}
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return true;
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}
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void MainWindow::removeTorrent()
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{
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// Find the row of the current item, and find the torrent client
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// for that row.
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int row = torrentView->indexOfTopLevelItem(torrentView->currentItem());
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TorrentClient *client = jobs.at(row).client;
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// Stop the client.
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client->disconnect();
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connect(client, SIGNAL(stopped()), this, SLOT(torrentStopped()));
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client->stop();
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// Remove the row from the view.
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delete torrentView->takeTopLevelItem(row);
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jobs.removeAt(row);
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setActionsEnabled();
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saveChanges = true;
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saveSettings();
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}
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void MainWindow::torrentStopped()
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{
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// Schedule the client for deletion.
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TorrentClient *client = qobject_cast<TorrentClient *>(sender());
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client->deleteLater();
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// If the quit dialog is shown, update its progress.
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if (quitDialog) {
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if (++jobsStopped == jobsToStop)
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quitDialog->close();
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}
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}
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void MainWindow::torrentError(TorrentClient::Error)
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{
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// Delete the client.
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TorrentClient *client = qobject_cast<TorrentClient *>(sender());
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int row = rowOfClient(client);
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QString fileName = jobs.at(row).torrentFileName;
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jobs.removeAt(row);
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// Display the warning.
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QMessageBox::warning(this, tr("Error"),
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tr("An error occurred while downloading %0: %1")
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.arg(fileName)
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.arg(client->errorString()));
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delete torrentView->takeTopLevelItem(row);
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client->deleteLater();
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}
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bool MainWindow::addTorrent(const QString &fileName, const QString &destinationFolder,
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const QByteArray &resumeState)
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{
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// Check if the torrent is already being downloaded.
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foreach (Job job, jobs) {
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if (job.torrentFileName == fileName && job.destinationDirectory == destinationFolder) {
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QMessageBox::warning(this, tr("Already downloading"),
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tr("The torrent file %1 is "
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"already being downloaded.").arg(fileName));
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return false;
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}
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}
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// Create a new torrent client and attempt to parse the torrent data.
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TorrentClient *client = new TorrentClient(this);
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if (!client->setTorrent(fileName)) {
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QMessageBox::warning(this, tr("Error"),
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tr("The torrent file %1 cannot not be opened/resumed.").arg(fileName));
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delete client;
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return false;
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}
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client->setDestinationFolder(destinationFolder);
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client->setDumpedState(resumeState);
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// Setup the client connections.
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connect(client, SIGNAL(stateChanged(TorrentClient::State)), this, SLOT(updateState(TorrentClient::State)));
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connect(client, SIGNAL(peerInfoUpdated()), this, SLOT(updatePeerInfo()));
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connect(client, SIGNAL(progressUpdated(int)), this, SLOT(updateProgress(int)));
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connect(client, SIGNAL(downloadRateUpdated(int)), this, SLOT(updateDownloadRate(int)));
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connect(client, SIGNAL(uploadRateUpdated(int)), this, SLOT(updateUploadRate(int)));
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connect(client, SIGNAL(stopped()), this, SLOT(torrentStopped()));
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connect(client, SIGNAL(error(TorrentClient::Error)), this, SLOT(torrentError(TorrentClient::Error)));
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// Add the client to the list of downloading jobs.
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Job job;
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job.client = client;
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job.torrentFileName = fileName;
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job.destinationDirectory = destinationFolder;
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jobs << job;
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// Create and add a row in the torrent view for this download.
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QTreeWidgetItem *item = new QTreeWidgetItem(torrentView);
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QString baseFileName = QFileInfo(fileName).fileName();
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if (baseFileName.toLower().endsWith(".torrent"))
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baseFileName.remove(baseFileName.size() - 8);
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item->setText(0, baseFileName);
|
|
390 |
item->setToolTip(0, tr("Torrent: %1<br>Destination: %2")
|
|
391 |
.arg(baseFileName).arg(destinationFolder));
|
|
392 |
item->setText(1, tr("0/0"));
|
|
393 |
item->setText(2, "0");
|
|
394 |
item->setText(3, "0.0 KB/s");
|
|
395 |
item->setText(4, "0.0 KB/s");
|
|
396 |
item->setText(5, tr("Idle"));
|
|
397 |
item->setFlags(item->flags() & ~Qt::ItemIsEditable);
|
|
398 |
item->setTextAlignment(1, Qt::AlignHCenter);
|
|
399 |
|
|
400 |
if (!saveChanges) {
|
|
401 |
saveChanges = true;
|
|
402 |
QTimer::singleShot(5000, this, SLOT(saveSettings()));
|
|
403 |
}
|
|
404 |
client->start();
|
|
405 |
return true;
|
|
406 |
}
|
|
407 |
|
|
408 |
void MainWindow::saveSettings()
|
|
409 |
{
|
|
410 |
if (!saveChanges)
|
|
411 |
return;
|
|
412 |
saveChanges = false;
|
|
413 |
|
|
414 |
// Prepare and reset the settings
|
|
415 |
QSettings settings("Trolltech", "Torrent");
|
|
416 |
settings.clear();
|
|
417 |
|
|
418 |
settings.setValue("LastDirectory", lastDirectory);
|
|
419 |
settings.setValue("UploadLimit", uploadLimitSlider->value());
|
|
420 |
settings.setValue("DownloadLimit", downloadLimitSlider->value());
|
|
421 |
|
|
422 |
// Store data on all known torrents
|
|
423 |
settings.beginWriteArray("Torrents");
|
|
424 |
for (int i = 0; i < jobs.size(); ++i) {
|
|
425 |
settings.setArrayIndex(i);
|
|
426 |
settings.setValue("sourceFileName", jobs.at(i).torrentFileName);
|
|
427 |
settings.setValue("destinationFolder", jobs.at(i).destinationDirectory);
|
|
428 |
settings.setValue("uploadedBytes", jobs.at(i).client->uploadedBytes());
|
|
429 |
settings.setValue("downloadedBytes", jobs.at(i).client->downloadedBytes());
|
|
430 |
settings.setValue("resumeState", jobs.at(i).client->dumpedState());
|
|
431 |
}
|
|
432 |
settings.endArray();
|
|
433 |
settings.sync();
|
|
434 |
}
|
|
435 |
|
|
436 |
void MainWindow::updateState(TorrentClient::State)
|
|
437 |
{
|
|
438 |
// Update the state string whenever the client's state changes.
|
|
439 |
TorrentClient *client = qobject_cast<TorrentClient *>(sender());
|
|
440 |
int row = rowOfClient(client);
|
|
441 |
QTreeWidgetItem *item = torrentView->topLevelItem(row);
|
|
442 |
if (item) {
|
|
443 |
item->setToolTip(0, tr("Torrent: %1<br>Destination: %2<br>State: %3")
|
|
444 |
.arg(jobs.at(row).torrentFileName)
|
|
445 |
.arg(jobs.at(row).destinationDirectory)
|
|
446 |
.arg(client->stateString()));
|
|
447 |
|
|
448 |
item->setText(5, client->stateString());
|
|
449 |
}
|
|
450 |
setActionsEnabled();
|
|
451 |
}
|
|
452 |
|
|
453 |
void MainWindow::updatePeerInfo()
|
|
454 |
{
|
|
455 |
// Update the number of connected, visited, seed and leecher peers.
|
|
456 |
TorrentClient *client = qobject_cast<TorrentClient *>(sender());
|
|
457 |
int row = rowOfClient(client);
|
|
458 |
|
|
459 |
QTreeWidgetItem *item = torrentView->topLevelItem(row);
|
|
460 |
item->setText(1, tr("%1/%2").arg(client->connectedPeerCount())
|
|
461 |
.arg(client->seedCount()));
|
|
462 |
}
|
|
463 |
|
|
464 |
void MainWindow::updateProgress(int percent)
|
|
465 |
{
|
|
466 |
TorrentClient *client = qobject_cast<TorrentClient *>(sender());
|
|
467 |
int row = rowOfClient(client);
|
|
468 |
|
|
469 |
// Update the progressbar.
|
|
470 |
QTreeWidgetItem *item = torrentView->topLevelItem(row);
|
|
471 |
if (item)
|
|
472 |
item->setText(2, QString::number(percent));
|
|
473 |
}
|
|
474 |
|
|
475 |
void MainWindow::setActionsEnabled()
|
|
476 |
{
|
|
477 |
// Find the view item and client for the current row, and update
|
|
478 |
// the states of the actions.
|
|
479 |
QTreeWidgetItem *item = 0;
|
|
480 |
if (!torrentView->selectedItems().isEmpty())
|
|
481 |
item = torrentView->selectedItems().first();
|
|
482 |
TorrentClient *client = item ? jobs.at(torrentView->indexOfTopLevelItem(item)).client : 0;
|
|
483 |
bool pauseEnabled = client && ((client->state() == TorrentClient::Paused)
|
|
484 |
|| (client->state() > TorrentClient::Preparing));
|
|
485 |
|
|
486 |
removeTorrentAction->setEnabled(item != 0);
|
|
487 |
pauseTorrentAction->setEnabled(item != 0 && pauseEnabled);
|
|
488 |
|
|
489 |
if (client && client->state() == TorrentClient::Paused) {
|
|
490 |
pauseTorrentAction->setIcon(QIcon(":/icons/player_play.png"));
|
|
491 |
pauseTorrentAction->setText(tr("Resume torrent"));
|
|
492 |
} else {
|
|
493 |
pauseTorrentAction->setIcon(QIcon(":/icons/player_pause.png"));
|
|
494 |
pauseTorrentAction->setText(tr("Pause torrent"));
|
|
495 |
}
|
|
496 |
|
|
497 |
int row = torrentView->indexOfTopLevelItem(item);
|
|
498 |
upActionTool->setEnabled(item && row != 0);
|
|
499 |
downActionTool->setEnabled(item && row != jobs.size() - 1);
|
|
500 |
}
|
|
501 |
|
|
502 |
void MainWindow::updateDownloadRate(int bytesPerSecond)
|
|
503 |
{
|
|
504 |
// Update the download rate.
|
|
505 |
TorrentClient *client = qobject_cast<TorrentClient *>(sender());
|
|
506 |
int row = rowOfClient(client);
|
|
507 |
QString num;
|
|
508 |
num.sprintf("%.1f KB/s", bytesPerSecond / 1024.0);
|
|
509 |
torrentView->topLevelItem(row)->setText(3, num);
|
|
510 |
|
|
511 |
if (!saveChanges) {
|
|
512 |
saveChanges = true;
|
|
513 |
QTimer::singleShot(5000, this, SLOT(saveSettings()));
|
|
514 |
}
|
|
515 |
}
|
|
516 |
|
|
517 |
void MainWindow::updateUploadRate(int bytesPerSecond)
|
|
518 |
{
|
|
519 |
// Update the upload rate.
|
|
520 |
TorrentClient *client = qobject_cast<TorrentClient *>(sender());
|
|
521 |
int row = rowOfClient(client);
|
|
522 |
QString num;
|
|
523 |
num.sprintf("%.1f KB/s", bytesPerSecond / 1024.0);
|
|
524 |
torrentView->topLevelItem(row)->setText(4, num);
|
|
525 |
|
|
526 |
if (!saveChanges) {
|
|
527 |
saveChanges = true;
|
|
528 |
QTimer::singleShot(5000, this, SLOT(saveSettings()));
|
|
529 |
}
|
|
530 |
}
|
|
531 |
|
|
532 |
void MainWindow::pauseTorrent()
|
|
533 |
{
|
|
534 |
// Pause or unpause the current torrent.
|
|
535 |
int row = torrentView->indexOfTopLevelItem(torrentView->currentItem());
|
|
536 |
TorrentClient *client = jobs.at(row).client;
|
|
537 |
client->setPaused(client->state() != TorrentClient::Paused);
|
|
538 |
setActionsEnabled();
|
|
539 |
}
|
|
540 |
|
|
541 |
void MainWindow::moveTorrentUp()
|
|
542 |
{
|
|
543 |
QTreeWidgetItem *item = torrentView->currentItem();
|
|
544 |
int row = torrentView->indexOfTopLevelItem(item);
|
|
545 |
if (row == 0)
|
|
546 |
return;
|
|
547 |
|
|
548 |
Job tmp = jobs.at(row - 1);
|
|
549 |
jobs[row - 1] = jobs[row];
|
|
550 |
jobs[row] = tmp;
|
|
551 |
|
|
552 |
QTreeWidgetItem *itemAbove = torrentView->takeTopLevelItem(row - 1);
|
|
553 |
torrentView->insertTopLevelItem(row, itemAbove);
|
|
554 |
setActionsEnabled();
|
|
555 |
}
|
|
556 |
|
|
557 |
void MainWindow::moveTorrentDown()
|
|
558 |
{
|
|
559 |
QTreeWidgetItem *item = torrentView->currentItem();
|
|
560 |
int row = torrentView->indexOfTopLevelItem(item);
|
|
561 |
if (row == jobs.size() - 1)
|
|
562 |
return;
|
|
563 |
|
|
564 |
Job tmp = jobs.at(row + 1);
|
|
565 |
jobs[row + 1] = jobs[row];
|
|
566 |
jobs[row] = tmp;
|
|
567 |
|
|
568 |
QTreeWidgetItem *itemAbove = torrentView->takeTopLevelItem(row + 1);
|
|
569 |
torrentView->insertTopLevelItem(row, itemAbove);
|
|
570 |
setActionsEnabled();
|
|
571 |
}
|
|
572 |
|
|
573 |
static int rateFromValue(int value)
|
|
574 |
{
|
|
575 |
int rate = 0;
|
|
576 |
if (value >= 0 && value < 250) {
|
|
577 |
rate = 1 + int(value * 0.124);
|
|
578 |
} else if (value < 500) {
|
|
579 |
rate = 32 + int((value - 250) * 0.384);
|
|
580 |
} else if (value < 750) {
|
|
581 |
rate = 128 + int((value - 500) * 1.536);
|
|
582 |
} else {
|
|
583 |
rate = 512 + int((value - 750) * 6.1445);
|
|
584 |
}
|
|
585 |
return rate;
|
|
586 |
}
|
|
587 |
|
|
588 |
void MainWindow::setUploadLimit(int value)
|
|
589 |
{
|
|
590 |
int rate = rateFromValue(value);
|
|
591 |
uploadLimitLabel->setText(tr("%1 KB/s").arg(QString().sprintf("%4d", rate)));
|
|
592 |
RateController::instance()->setUploadLimit(rate * 1024);
|
|
593 |
}
|
|
594 |
|
|
595 |
void MainWindow::setDownloadLimit(int value)
|
|
596 |
{
|
|
597 |
int rate = rateFromValue(value);
|
|
598 |
downloadLimitLabel->setText(tr("%1 KB/s").arg(QString().sprintf("%4d", rate)));
|
|
599 |
RateController::instance()->setDownloadLimit(rate * 1024);
|
|
600 |
}
|
|
601 |
|
|
602 |
void MainWindow::about()
|
|
603 |
{
|
|
604 |
QLabel *icon = new QLabel;
|
|
605 |
icon->setPixmap(QPixmap(":/icons/peertopeer.png"));
|
|
606 |
|
|
607 |
QLabel *text = new QLabel;
|
|
608 |
text->setWordWrap(true);
|
|
609 |
text->setText("<p>The <b>Torrent Client</b> example demonstrates how to"
|
|
610 |
" write a complete peer-to-peer file sharing"
|
|
611 |
" application using Qt's network and thread classes.</p>"
|
|
612 |
"<p>This feature complete client implementation of"
|
|
613 |
" the BitTorrent protocol can efficiently"
|
|
614 |
" maintain several hundred network connections"
|
|
615 |
" simultaneously.</p>");
|
|
616 |
|
|
617 |
QPushButton *quitButton = new QPushButton("OK");
|
|
618 |
|
|
619 |
QHBoxLayout *topLayout = new QHBoxLayout;
|
|
620 |
topLayout->setMargin(10);
|
|
621 |
topLayout->setSpacing(10);
|
|
622 |
topLayout->addWidget(icon);
|
|
623 |
topLayout->addWidget(text);
|
|
624 |
|
|
625 |
QHBoxLayout *bottomLayout = new QHBoxLayout;
|
|
626 |
bottomLayout->addStretch();
|
|
627 |
bottomLayout->addWidget(quitButton);
|
|
628 |
bottomLayout->addStretch();
|
|
629 |
|
|
630 |
QVBoxLayout *mainLayout = new QVBoxLayout;
|
|
631 |
mainLayout->addLayout(topLayout);
|
|
632 |
mainLayout->addLayout(bottomLayout);
|
|
633 |
|
|
634 |
QDialog about(this);
|
|
635 |
about.setModal(true);
|
|
636 |
about.setWindowTitle(tr("About Torrent Client"));
|
|
637 |
about.setLayout(mainLayout);
|
|
638 |
|
|
639 |
connect(quitButton, SIGNAL(clicked()), &about, SLOT(close()));
|
|
640 |
|
|
641 |
about.exec();
|
|
642 |
}
|
|
643 |
|
|
644 |
void MainWindow::acceptFileDrop(const QString &fileName)
|
|
645 |
{
|
|
646 |
// Create and show the "Add Torrent" dialog.
|
|
647 |
AddTorrentDialog *addTorrentDialog = new AddTorrentDialog;
|
|
648 |
lastDirectory = QFileInfo(fileName).absolutePath();
|
|
649 |
addTorrentDialog->setTorrent(fileName);
|
|
650 |
addTorrentDialog->deleteLater();
|
|
651 |
if (!addTorrentDialog->exec())
|
|
652 |
return;
|
|
653 |
|
|
654 |
// Add the torrent to our list of downloads.
|
|
655 |
addTorrent(fileName, addTorrentDialog->destinationFolder());
|
|
656 |
saveSettings();
|
|
657 |
}
|
|
658 |
|
|
659 |
void MainWindow::closeEvent(QCloseEvent *)
|
|
660 |
{
|
|
661 |
if (jobs.isEmpty())
|
|
662 |
return;
|
|
663 |
|
|
664 |
// Save upload / download numbers.
|
|
665 |
saveSettings();
|
|
666 |
saveChanges = false;
|
|
667 |
|
|
668 |
quitDialog = new QProgressDialog(tr("Disconnecting from trackers"), tr("Abort"), 0, jobsToStop, this);
|
|
669 |
|
|
670 |
// Stop all clients, remove the rows from the view and wait for
|
|
671 |
// them to signal that they have stopped.
|
|
672 |
jobsToStop = 0;
|
|
673 |
jobsStopped = 0;
|
|
674 |
foreach (Job job, jobs) {
|
|
675 |
++jobsToStop;
|
|
676 |
TorrentClient *client = job.client;
|
|
677 |
client->disconnect();
|
|
678 |
connect(client, SIGNAL(stopped()), this, SLOT(torrentStopped()));
|
|
679 |
client->stop();
|
|
680 |
delete torrentView->takeTopLevelItem(0);
|
|
681 |
}
|
|
682 |
|
|
683 |
if (jobsToStop > jobsStopped)
|
|
684 |
quitDialog->exec();
|
|
685 |
quitDialog->deleteLater();
|
|
686 |
quitDialog = 0;
|
|
687 |
}
|
|
688 |
|
|
689 |
TorrentView::TorrentView(QWidget *parent)
|
|
690 |
: QTreeWidget(parent)
|
|
691 |
{
|
|
692 |
setAcceptDrops(true);
|
|
693 |
}
|
|
694 |
|
|
695 |
void TorrentView::dragMoveEvent(QDragMoveEvent *event)
|
|
696 |
{
|
|
697 |
// Accept file actions with a '.torrent' extension.
|
|
698 |
QUrl url(event->mimeData()->text());
|
|
699 |
if (url.isValid() && url.scheme().toLower() == "file"
|
|
700 |
&& url.path().toLower().endsWith(".torrent"))
|
|
701 |
event->acceptProposedAction();
|
|
702 |
}
|
|
703 |
|
|
704 |
void TorrentView::dropEvent(QDropEvent *event)
|
|
705 |
{
|
|
706 |
// Accept drops if the file has a '.torrent' extension and it
|
|
707 |
// exists.
|
|
708 |
QString fileName = QUrl(event->mimeData()->text()).path();
|
|
709 |
if (QFile::exists(fileName) && fileName.toLower().endsWith(".torrent"))
|
|
710 |
emit fileDropped(fileName);
|
|
711 |
}
|
|
712 |
|
|
713 |
#include "mainwindow.moc"
|