38be0d1383
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
713 lines
26 KiB
C++
713 lines
26 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 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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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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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(QString)),
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this, SLOT(acceptFileDrop(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);
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item->setToolTip(0, tr("Torrent: %1<br>Destination: %2")
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.arg(baseFileName).arg(destinationFolder));
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item->setText(1, tr("0/0"));
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item->setText(2, "0");
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item->setText(3, "0.0 KB/s");
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item->setText(4, "0.0 KB/s");
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item->setText(5, tr("Idle"));
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item->setFlags(item->flags() & ~Qt::ItemIsEditable);
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item->setTextAlignment(1, Qt::AlignHCenter);
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if (!saveChanges) {
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saveChanges = true;
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QTimer::singleShot(5000, this, SLOT(saveSettings()));
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}
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client->start();
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return true;
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}
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void MainWindow::saveSettings()
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{
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if (!saveChanges)
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return;
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saveChanges = false;
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// Prepare and reset the settings
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QSettings settings("Trolltech", "Torrent");
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settings.clear();
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settings.setValue("LastDirectory", lastDirectory);
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settings.setValue("UploadLimit", uploadLimitSlider->value());
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settings.setValue("DownloadLimit", downloadLimitSlider->value());
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// Store data on all known torrents
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settings.beginWriteArray("Torrents");
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for (int i = 0; i < jobs.size(); ++i) {
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settings.setArrayIndex(i);
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settings.setValue("sourceFileName", jobs.at(i).torrentFileName);
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settings.setValue("destinationFolder", jobs.at(i).destinationDirectory);
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settings.setValue("uploadedBytes", jobs.at(i).client->uploadedBytes());
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settings.setValue("downloadedBytes", jobs.at(i).client->downloadedBytes());
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settings.setValue("resumeState", jobs.at(i).client->dumpedState());
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}
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settings.endArray();
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settings.sync();
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}
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void MainWindow::updateState(TorrentClient::State)
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{
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// Update the state string whenever the client's state changes.
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TorrentClient *client = qobject_cast<TorrentClient *>(sender());
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int row = rowOfClient(client);
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QTreeWidgetItem *item = torrentView->topLevelItem(row);
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if (item) {
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item->setToolTip(0, tr("Torrent: %1<br>Destination: %2<br>State: %3")
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.arg(jobs.at(row).torrentFileName)
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.arg(jobs.at(row).destinationDirectory)
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.arg(client->stateString()));
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item->setText(5, client->stateString());
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}
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setActionsEnabled();
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}
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void MainWindow::updatePeerInfo()
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{
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// Update the number of connected, visited, seed and leecher peers.
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TorrentClient *client = qobject_cast<TorrentClient *>(sender());
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int row = rowOfClient(client);
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QTreeWidgetItem *item = torrentView->topLevelItem(row);
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item->setText(1, tr("%1/%2").arg(client->connectedPeerCount())
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.arg(client->seedCount()));
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}
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void MainWindow::updateProgress(int percent)
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{
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TorrentClient *client = qobject_cast<TorrentClient *>(sender());
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int row = rowOfClient(client);
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// Update the progressbar.
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QTreeWidgetItem *item = torrentView->topLevelItem(row);
|
|
if (item)
|
|
item->setText(2, QString::number(percent));
|
|
}
|
|
|
|
void MainWindow::setActionsEnabled()
|
|
{
|
|
// Find the view item and client for the current row, and update
|
|
// the states of the actions.
|
|
QTreeWidgetItem *item = 0;
|
|
if (!torrentView->selectedItems().isEmpty())
|
|
item = torrentView->selectedItems().first();
|
|
TorrentClient *client = item ? jobs.at(torrentView->indexOfTopLevelItem(item)).client : 0;
|
|
bool pauseEnabled = client && ((client->state() == TorrentClient::Paused)
|
|
|| (client->state() > TorrentClient::Preparing));
|
|
|
|
removeTorrentAction->setEnabled(item != 0);
|
|
pauseTorrentAction->setEnabled(item != 0 && pauseEnabled);
|
|
|
|
if (client && client->state() == TorrentClient::Paused) {
|
|
pauseTorrentAction->setIcon(QIcon(":/icons/player_play.png"));
|
|
pauseTorrentAction->setText(tr("Resume torrent"));
|
|
} else {
|
|
pauseTorrentAction->setIcon(QIcon(":/icons/player_pause.png"));
|
|
pauseTorrentAction->setText(tr("Pause torrent"));
|
|
}
|
|
|
|
int row = torrentView->indexOfTopLevelItem(item);
|
|
upActionTool->setEnabled(item && row != 0);
|
|
downActionTool->setEnabled(item && row != jobs.size() - 1);
|
|
}
|
|
|
|
void MainWindow::updateDownloadRate(int bytesPerSecond)
|
|
{
|
|
// Update the download rate.
|
|
TorrentClient *client = qobject_cast<TorrentClient *>(sender());
|
|
int row = rowOfClient(client);
|
|
QString num;
|
|
num.sprintf("%.1f KB/s", bytesPerSecond / 1024.0);
|
|
torrentView->topLevelItem(row)->setText(3, num);
|
|
|
|
if (!saveChanges) {
|
|
saveChanges = true;
|
|
QTimer::singleShot(5000, this, SLOT(saveSettings()));
|
|
}
|
|
}
|
|
|
|
void MainWindow::updateUploadRate(int bytesPerSecond)
|
|
{
|
|
// Update the upload rate.
|
|
TorrentClient *client = qobject_cast<TorrentClient *>(sender());
|
|
int row = rowOfClient(client);
|
|
QString num;
|
|
num.sprintf("%.1f KB/s", bytesPerSecond / 1024.0);
|
|
torrentView->topLevelItem(row)->setText(4, num);
|
|
|
|
if (!saveChanges) {
|
|
saveChanges = true;
|
|
QTimer::singleShot(5000, this, SLOT(saveSettings()));
|
|
}
|
|
}
|
|
|
|
void MainWindow::pauseTorrent()
|
|
{
|
|
// Pause or unpause the current torrent.
|
|
int row = torrentView->indexOfTopLevelItem(torrentView->currentItem());
|
|
TorrentClient *client = jobs.at(row).client;
|
|
client->setPaused(client->state() != TorrentClient::Paused);
|
|
setActionsEnabled();
|
|
}
|
|
|
|
void MainWindow::moveTorrentUp()
|
|
{
|
|
QTreeWidgetItem *item = torrentView->currentItem();
|
|
int row = torrentView->indexOfTopLevelItem(item);
|
|
if (row == 0)
|
|
return;
|
|
|
|
Job tmp = jobs.at(row - 1);
|
|
jobs[row - 1] = jobs[row];
|
|
jobs[row] = tmp;
|
|
|
|
QTreeWidgetItem *itemAbove = torrentView->takeTopLevelItem(row - 1);
|
|
torrentView->insertTopLevelItem(row, itemAbove);
|
|
setActionsEnabled();
|
|
}
|
|
|
|
void MainWindow::moveTorrentDown()
|
|
{
|
|
QTreeWidgetItem *item = torrentView->currentItem();
|
|
int row = torrentView->indexOfTopLevelItem(item);
|
|
if (row == jobs.size() - 1)
|
|
return;
|
|
|
|
Job tmp = jobs.at(row + 1);
|
|
jobs[row + 1] = jobs[row];
|
|
jobs[row] = tmp;
|
|
|
|
QTreeWidgetItem *itemAbove = torrentView->takeTopLevelItem(row + 1);
|
|
torrentView->insertTopLevelItem(row, itemAbove);
|
|
setActionsEnabled();
|
|
}
|
|
|
|
static int rateFromValue(int value)
|
|
{
|
|
int rate = 0;
|
|
if (value >= 0 && value < 250) {
|
|
rate = 1 + int(value * 0.124);
|
|
} else if (value < 500) {
|
|
rate = 32 + int((value - 250) * 0.384);
|
|
} else if (value < 750) {
|
|
rate = 128 + int((value - 500) * 1.536);
|
|
} else {
|
|
rate = 512 + int((value - 750) * 6.1445);
|
|
}
|
|
return rate;
|
|
}
|
|
|
|
void MainWindow::setUploadLimit(int value)
|
|
{
|
|
int rate = rateFromValue(value);
|
|
uploadLimitLabel->setText(tr("%1 KB/s").arg(QString().sprintf("%4d", rate)));
|
|
RateController::instance()->setUploadLimit(rate * 1024);
|
|
}
|
|
|
|
void MainWindow::setDownloadLimit(int value)
|
|
{
|
|
int rate = rateFromValue(value);
|
|
downloadLimitLabel->setText(tr("%1 KB/s").arg(QString().sprintf("%4d", rate)));
|
|
RateController::instance()->setDownloadLimit(rate * 1024);
|
|
}
|
|
|
|
void MainWindow::about()
|
|
{
|
|
QLabel *icon = new QLabel;
|
|
icon->setPixmap(QPixmap(":/icons/peertopeer.png"));
|
|
|
|
QLabel *text = new QLabel;
|
|
text->setWordWrap(true);
|
|
text->setText("<p>The <b>Torrent Client</b> example demonstrates how to"
|
|
" write a complete peer-to-peer file sharing"
|
|
" application using Qt's network and thread classes.</p>"
|
|
"<p>This feature complete client implementation of"
|
|
" the BitTorrent protocol can efficiently"
|
|
" maintain several hundred network connections"
|
|
" simultaneously.</p>");
|
|
|
|
QPushButton *quitButton = new QPushButton("OK");
|
|
|
|
QHBoxLayout *topLayout = new QHBoxLayout;
|
|
topLayout->setMargin(10);
|
|
topLayout->setSpacing(10);
|
|
topLayout->addWidget(icon);
|
|
topLayout->addWidget(text);
|
|
|
|
QHBoxLayout *bottomLayout = new QHBoxLayout;
|
|
bottomLayout->addStretch();
|
|
bottomLayout->addWidget(quitButton);
|
|
bottomLayout->addStretch();
|
|
|
|
QVBoxLayout *mainLayout = new QVBoxLayout;
|
|
mainLayout->addLayout(topLayout);
|
|
mainLayout->addLayout(bottomLayout);
|
|
|
|
QDialog about(this);
|
|
about.setModal(true);
|
|
about.setWindowTitle(tr("About Torrent Client"));
|
|
about.setLayout(mainLayout);
|
|
|
|
connect(quitButton, SIGNAL(clicked()), &about, SLOT(close()));
|
|
|
|
about.exec();
|
|
}
|
|
|
|
void MainWindow::acceptFileDrop(const QString &fileName)
|
|
{
|
|
// Create and show the "Add Torrent" dialog.
|
|
AddTorrentDialog *addTorrentDialog = new AddTorrentDialog;
|
|
lastDirectory = QFileInfo(fileName).absolutePath();
|
|
addTorrentDialog->setTorrent(fileName);
|
|
addTorrentDialog->deleteLater();
|
|
if (!addTorrentDialog->exec())
|
|
return;
|
|
|
|
// Add the torrent to our list of downloads.
|
|
addTorrent(fileName, addTorrentDialog->destinationFolder());
|
|
saveSettings();
|
|
}
|
|
|
|
void MainWindow::closeEvent(QCloseEvent *)
|
|
{
|
|
if (jobs.isEmpty())
|
|
return;
|
|
|
|
// Save upload / download numbers.
|
|
saveSettings();
|
|
saveChanges = false;
|
|
|
|
quitDialog = new QProgressDialog(tr("Disconnecting from trackers"), tr("Abort"), 0, jobsToStop, this);
|
|
|
|
// Stop all clients, remove the rows from the view and wait for
|
|
// them to signal that they have stopped.
|
|
jobsToStop = 0;
|
|
jobsStopped = 0;
|
|
foreach (Job job, jobs) {
|
|
++jobsToStop;
|
|
TorrentClient *client = job.client;
|
|
client->disconnect();
|
|
connect(client, SIGNAL(stopped()), this, SLOT(torrentStopped()));
|
|
client->stop();
|
|
delete torrentView->takeTopLevelItem(0);
|
|
}
|
|
|
|
if (jobsToStop > jobsStopped)
|
|
quitDialog->exec();
|
|
quitDialog->deleteLater();
|
|
quitDialog = 0;
|
|
}
|
|
|
|
TorrentView::TorrentView(QWidget *parent)
|
|
: QTreeWidget(parent)
|
|
{
|
|
setAcceptDrops(true);
|
|
}
|
|
|
|
void TorrentView::dragMoveEvent(QDragMoveEvent *event)
|
|
{
|
|
// Accept file actions with a '.torrent' extension.
|
|
QUrl url(event->mimeData()->text());
|
|
if (url.isValid() && url.scheme().toLower() == "file"
|
|
&& url.path().toLower().endsWith(".torrent"))
|
|
event->acceptProposedAction();
|
|
}
|
|
|
|
void TorrentView::dropEvent(QDropEvent *event)
|
|
{
|
|
// Accept drops if the file has a '.torrent' extension and it
|
|
// exists.
|
|
QString fileName = QUrl(event->mimeData()->text()).path();
|
|
if (QFile::exists(fileName) && fileName.toLower().endsWith(".torrent"))
|
|
emit fileDropped(fileName);
|
|
}
|
|
|
|
#include "mainwindow.moc"
|