Merge pull request #3832 from glassez/search

Search Engine code redesign (Issue #2433).

src/base/base.pri

@@ -42,7 +42,8 @@ HEADERS += \
     $$PWD/utils/string.h \
     $$PWD/unicodestrings.h \
     $$PWD/torrentfilter.h \
-    $$PWD/scanfoldersmodel.h
+    $$PWD/scanfoldersmodel.h \
+    $$PWD/searchengine.h
 
 SOURCES += \
     $$PWD/tristatebool.cpp \
@@ -83,4 +84,5 @@ SOURCES += \
     $$PWD/utils/misc.cpp \
     $$PWD/utils/string.cpp \
     $$PWD/torrentfilter.cpp \
-    $$PWD/scanfoldersmodel.cpp
+    $$PWD/scanfoldersmodel.cpp \
+    $$PWD/searchengine.cpp

src/base/bittorrent/session.cpp

@@ -968,6 +968,10 @@ bool Session::addTorrent(QString source, const AddTorrentParams &params)
         qDebug("Converting bc link to magnet link");
         source = Utils::Misc::bcLinkToMagnet(source);
     }
+    else if (((source.size() == 40) && !source.contains(QRegExp("[^0-9A-Fa-f]")))
+             || ((source.size() == 32) && !source.contains(QRegExp("[^2-7A-Za-z]")))) {
+        source = "magnet:?xt=urn:btih:" + source;
+    }
 
     if (Utils::Misc::isUrl(source)) {
         Logger::instance()->addMessage(tr("Downloading '%1', please wait...", "e.g: Downloading 'xxx.torrent', please wait...").arg(source));

src/base/searchengine.cpp

@@ -0,0 +1,657 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include <QDomDocument>
+#include <QDomNode>
+#include <QDomElement>
+#include <QDir>
+#include <QProcess>
+#include <QDebug>
+
+#include "base/utils/fs.h"
+#include "base/utils/misc.h"
+#include "base/preferences.h"
+#include "base/net/downloadmanager.h"
+#include "base/net/downloadhandler.h"
+#include "searchengine.h"
+
+enum SearchResultColumn
+{
+    PL_DL_LINK,
+    PL_NAME,
+    PL_SIZE,
+    PL_SEEDS,
+    PL_LEECHS,
+    PL_ENGINE_URL,
+    PL_DESC_LINK,
+    NB_PLUGIN_COLUMNS
+};
+
+static inline void removePythonScriptIfExists(const QString &scriptPath)
+{
+    Utils::Fs::forceRemove(scriptPath);
+    Utils::Fs::forceRemove(scriptPath + "c");
+}
+
+const QHash<QString, QString> SearchEngine::m_categoryNames = SearchEngine::initializeCategoryNames();
+
+SearchEngine::SearchEngine()
+    : m_updateUrl(QString("https://raw.github.com/qbittorrent/qBittorrent/master/src/searchengine/%1/engines/").arg(Utils::Misc::pythonVersion() >= 3 ? "nova3" : "nova"))
+    , m_searchStopped(false)
+{
+    updateNova();
+
+    m_searchProcess = new QProcess(this);
+    m_searchProcess->setEnvironment(QProcess::systemEnvironment());
+    connect(m_searchProcess, SIGNAL(started()), this, SIGNAL(searchStarted()));
+    connect(m_searchProcess, SIGNAL(readyReadStandardOutput()), this, SLOT(readSearchOutput()));
+    connect(m_searchProcess, SIGNAL(finished(int)), this, SLOT(processFinished(int)));
+
+    m_searchTimeout = new QTimer(this);
+    m_searchTimeout->setSingleShot(true);
+    connect(m_searchTimeout, SIGNAL(timeout()), this, SLOT(onTimeout()));
+
+    update();
+}
+
+SearchEngine::~SearchEngine()
+{
+    qDeleteAll(m_plugins.values());
+    cancelSearch();
+}
+
+QStringList SearchEngine::allPlugins() const
+{
+    return m_plugins.keys();
+}
+
+QStringList SearchEngine::enabledPlugins() const
+{
+    QStringList plugins;
+    foreach (const PluginInfo *plugin, m_plugins.values()) {
+        if (plugin->enabled)
+            plugins << plugin->name;
+    }
+
+    return plugins;
+}
+
+QStringList SearchEngine::supportedCategories() const
+{
+    QStringList result;
+    foreach (const PluginInfo *plugin, m_plugins.values()) {
+        if (plugin->enabled) {
+            foreach (QString cat, plugin->supportedCategories) {
+                if (!result.contains(cat))
+                    result << cat;
+            }
+        }
+    }
+
+    return result;
+}
+
+PluginInfo *SearchEngine::pluginInfo(const QString &name) const
+{
+    return m_plugins.value(name, 0);
+}
+
+bool SearchEngine::isActive() const
+{
+    return (m_searchProcess->state() != QProcess::NotRunning);
+}
+
+void SearchEngine::enablePlugin(const QString &name, bool enabled)
+{
+    PluginInfo *plugin = m_plugins.value(name, 0);
+    if (plugin) {
+        plugin->enabled = enabled;
+        // Save to Hard disk
+        Preferences *const pref = Preferences::instance();
+        QStringList disabledPlugins = pref->getSearchEngDisabled();
+        if (enabled)
+            disabledPlugins.removeAll(name);
+        else if (!disabledPlugins.contains(name))
+            disabledPlugins.append(name);
+        pref->setSearchEngDisabled(disabledPlugins);
+    }
+}
+
+// Updates shipped plugin
+void SearchEngine::updatePlugin(const QString &name)
+{
+    installPlugin(QString("%1%2.py").arg(m_updateUrl).arg(name));
+}
+
+// Install or update plugin from file or url
+void SearchEngine::installPlugin(const QString &source)
+{
+    qDebug("Asked to install plugin at %s", qPrintable(source));
+
+    if (Utils::Misc::isUrl(source)) {
+        Net::DownloadHandler *handler = Net::DownloadManager::instance()->downloadUrl(source, true);
+        connect(handler, SIGNAL(downloadFinished(QString, QString)), this, SLOT(pluginDownloaded(QString, QString)));
+        connect(handler, SIGNAL(downloadFailed(QString, QString)), this, SLOT(pluginDownloadFailed(QString, QString)));
+    }
+    else {
+        QString path = source;
+        if (path.startsWith("file:", Qt::CaseInsensitive))
+            path = QUrl(path).toLocalFile();
+
+        QString pluginName = Utils::Fs::fileName(path);
+        pluginName.chop(pluginName.size() - pluginName.lastIndexOf("."));
+
+        if (!path.endsWith(".py", Qt::CaseInsensitive))
+            emit pluginInstallationFailed(pluginName, tr("Unknown search engine plugin file format."));
+        else
+            installPlugin_impl(pluginName, path);
+    }
+}
+
+void SearchEngine::installPlugin_impl(const QString &name, const QString &path)
+{
+    qreal newVersion = getPluginVersion(path);
+    qDebug("Version to be installed: %.2f", newVersion);
+
+    PluginInfo *plugin = pluginInfo(name);
+    if (plugin && (plugin->version >= newVersion)) {
+        qDebug("Apparently update is not needed, we have a more recent version");
+        emit pluginUpdateFailed(name, tr("A more recent version of this plugin is already installed."));
+        return;
+    }
+
+    // Process with install
+    QString destPath = pluginPath(name);
+    bool updated = false;
+    if (QFile::exists(destPath)) {
+        // Backup in case install fails
+        QFile::copy(destPath, destPath + ".bak");
+        Utils::Fs::forceRemove(destPath);
+        Utils::Fs::forceRemove(destPath + "c");
+        updated = true;
+    }
+    // Copy the plugin
+    QFile::copy(path, destPath);
+    // Update supported plugins
+    update();
+    // Check if this was correctly installed
+    if (!m_plugins.contains(name)) {
+        // Remove broken file
+        Utils::Fs::forceRemove(destPath);
+        if (updated) {
+            // restore backup
+            QFile::copy(destPath + ".bak", destPath);
+            Utils::Fs::forceRemove(destPath + ".bak");
+            // Update supported plugins
+            update();
+            emit pluginUpdateFailed(name, tr("Plugin is not supported."));
+        }
+        else {
+            emit pluginInstallationFailed(name, tr("Plugin is not supported."));
+        }
+    }
+    else {
+        // Install was successful, remove backup
+        if (updated)
+            Utils::Fs::forceRemove(destPath + ".bak");
+    }
+}
+
+bool SearchEngine::uninstallPlugin(const QString &name)
+{
+    if (QFile::exists(":/nova/engines/" + name + ".py"))
+        return false;
+
+    // Proceed with uninstall
+    // remove it from hard drive
+    QDir pluginsFolder(pluginsLocation());
+    QStringList filters;
+    filters << name + ".*";
+    QStringList files = pluginsFolder.entryList(filters, QDir::Files, QDir::Unsorted);
+    QString file;
+    foreach (file, files)
+        Utils::Fs::forceRemove(pluginsFolder.absoluteFilePath(file));
+    // Remove it from supported engines
+    delete m_plugins.take(name);
+
+    return true;
+}
+
+void SearchEngine::checkForUpdates()
+{
+    // Download version file from update server on sourceforge
+    Net::DownloadHandler *handler = Net::DownloadManager::instance()->downloadUrl(m_updateUrl + "versions.txt");
+    connect(handler, SIGNAL(downloadFinished(QString, QByteArray)), this, SLOT(versionInfoDownloaded(QString, QByteArray)));
+    connect(handler, SIGNAL(downloadFailed(QString, QString)), this, SLOT(versionInfoDownloadFailed(QString, QString)));
+}
+
+void SearchEngine::cancelSearch()
+{
+    if (m_searchProcess->state() != QProcess::NotRunning) {
+#ifdef Q_OS_WIN
+        m_searchProcess->kill();
+#else
+        m_searchProcess->terminate();
+#endif
+        m_searchStopped = true;
+        m_searchTimeout->stop();
+
+        m_searchProcess->waitForFinished(1000);
+    }
+}
+
+void SearchEngine::startSearch(const QString &pattern, const QString &category, const QStringList &usedPlugins)
+{
+    // Search process already running or
+    // No search pattern entered
+    if ((m_searchProcess->state() != QProcess::NotRunning) || pattern.isEmpty()) {
+        emit searchFailed();
+        return;
+    }
+
+    // Reload environment variables (proxy)
+    m_searchProcess->setEnvironment(QProcess::systemEnvironment());
+
+    QStringList params;
+    m_searchStopped = false;
+    params << Utils::Fs::toNativePath(engineLocation() + "/nova2.py");
+    params << usedPlugins.join(",");
+    params << category;
+    params << pattern.split(" ");
+
+    // Launch search
+    m_searchProcess->start(Utils::Misc::pythonExecutable(), params, QIODevice::ReadOnly);
+    m_searchTimeout->start(180000); // 3min
+}
+
+QString SearchEngine::categoryFullName(const QString &categoryName)
+{
+    return tr(m_categoryNames.value(categoryName).toUtf8().constData());
+}
+
+QString SearchEngine::pluginsLocation()
+{
+    return QString("%1/engines").arg(engineLocation());
+}
+
+QString SearchEngine::engineLocation()
+{
+    QString folder = "nova";
+    if (Utils::Misc::pythonVersion() >= 3)
+        folder = "nova3";
+    const QString location = Utils::Fs::expandPathAbs(Utils::Fs::QDesktopServicesDataLocation() + folder);
+    QDir locationDir(location);
+    if (!locationDir.exists())
+        locationDir.mkpath(locationDir.absolutePath());
+    return location;
+}
+
+// Slot called when QProcess is Finished
+// QProcess can be finished for 3 reasons :
+// Error | Stopped by user | Finished normally
+void SearchEngine::processFinished(int exitcode)
+{
+    m_searchTimeout->stop();
+
+    if (exitcode == 0)
+        emit searchFinished(m_searchStopped);
+    else
+        emit searchFailed();
+}
+
+void SearchEngine::versionInfoDownloaded(const QString &url, const QByteArray &data)
+{
+    Q_UNUSED(url)
+    parseVersionInfo(data);
+}
+
+void SearchEngine::versionInfoDownloadFailed(const QString &url, const QString &reason)
+{
+    Q_UNUSED(url)
+    emit checkForUpdatesFailed(tr("Update server is temporarily unavailable. %1").arg(reason));
+}
+
+void SearchEngine::pluginDownloaded(const QString &url, QString filePath)
+{
+    filePath = Utils::Fs::fromNativePath(filePath);
+
+    QString pluginName = Utils::Fs::fileName(url);
+    pluginName.chop(pluginName.size() - pluginName.lastIndexOf(".")); // Remove extension
+    installPlugin_impl(pluginName, filePath);
+    Utils::Fs::forceRemove(filePath);
+}
+
+void SearchEngine::pluginDownloadFailed(const QString &url, const QString &reason)
+{
+    QString pluginName = url.split('/').last();
+    pluginName.replace(".py", "", Qt::CaseInsensitive);
+    if (pluginInfo(pluginName))
+        emit pluginUpdateFailed(pluginName, tr("Failed to download the plugin file. %1").arg(reason));
+    else
+        emit pluginInstallationFailed(pluginName, tr("Failed to download the plugin file. %1").arg(reason));
+}
+
+// Update nova.py search plugin if necessary
+void SearchEngine::updateNova()
+{
+    qDebug("Updating nova");
+
+    // create nova directory if necessary
+    QDir searchDir(engineLocation());
+    QString novaFolder = Utils::Misc::pythonVersion() >= 3 ? "searchengine/nova3" : "searchengine/nova";
+    QFile packageFile(searchDir.absoluteFilePath("__init__.py"));
+    packageFile.open(QIODevice::WriteOnly | QIODevice::Text);
+    packageFile.close();
+    if (!searchDir.exists("engines"))
+        searchDir.mkdir("engines");
+    Utils::Fs::removeDirRecursive(searchDir.absoluteFilePath("__pycache__"));
+
+    QFile packageFile2(searchDir.absolutePath() + "/engines/__init__.py");
+    packageFile2.open(QIODevice::WriteOnly | QIODevice::Text);
+    packageFile2.close();
+
+    // Copy search plugin files (if necessary)
+    QString filePath = searchDir.absoluteFilePath("nova2.py");
+    if (getPluginVersion(":/" + novaFolder + "/nova2.py") > getPluginVersion(filePath)) {
+        removePythonScriptIfExists(filePath);
+        QFile::copy(":/" + novaFolder + "/nova2.py", filePath);
+    }
+
+    filePath = searchDir.absoluteFilePath("fix_encoding.py");
+    QFile::copy(":/" + novaFolder + "/fix_encoding.py", filePath);
+
+    filePath = searchDir.absoluteFilePath("novaprinter.py");
+    if (getPluginVersion(":/" + novaFolder + "/novaprinter.py") > getPluginVersion(filePath)) {
+        removePythonScriptIfExists(filePath);
+        QFile::copy(":/" + novaFolder + "/novaprinter.py", filePath);
+    }
+
+    filePath = searchDir.absoluteFilePath("helpers.py");
+    if (getPluginVersion(":/" + novaFolder + "/helpers.py") > getPluginVersion(filePath)) {
+        removePythonScriptIfExists(filePath);
+        QFile::copy(":/" + novaFolder + "/helpers.py", filePath);
+    }
+
+    filePath = searchDir.absoluteFilePath("socks.py");
+    removePythonScriptIfExists(filePath);
+    QFile::copy(":/" + novaFolder + "/socks.py", filePath);
+
+    if (novaFolder.endsWith("nova")) {
+        filePath = searchDir.absoluteFilePath("fix_encoding.py");
+        removePythonScriptIfExists(filePath);
+        QFile::copy(":/" + novaFolder + "/fix_encoding.py", filePath);
+    }
+    else if (novaFolder.endsWith("nova3")) {
+        filePath = searchDir.absoluteFilePath("sgmllib3.py");
+        removePythonScriptIfExists(filePath);
+        QFile::copy(":/" + novaFolder + "/sgmllib3.py", filePath);
+    }
+
+    QDir destDir(pluginsLocation());
+    Utils::Fs::removeDirRecursive(destDir.absoluteFilePath("__pycache__"));
+    QDir shippedSubdir(":/" + novaFolder + "/engines/");
+    QStringList files = shippedSubdir.entryList();
+    foreach (const QString &file, files) {
+        QString shippedFile = shippedSubdir.absoluteFilePath(file);
+        // Copy python classes
+        if (file.endsWith(".py")) {
+            const QString destFile = destDir.absoluteFilePath(file);
+            if (getPluginVersion(shippedFile) > getPluginVersion(destFile) ) {
+                qDebug("shipped %s is more recent then local plugin, updating...", qPrintable(file));
+                removePythonScriptIfExists(destFile);
+                qDebug("%s copied to %s", qPrintable(shippedFile), qPrintable(destFile));
+                QFile::copy(shippedFile, destFile);
+            }
+        }
+        else {
+            // Copy icons
+            if (file.endsWith(".png"))
+                if (!QFile::exists(destDir.absoluteFilePath(file)))
+                    QFile::copy(shippedFile, destDir.absoluteFilePath(file));
+        }
+    }
+}
+
+void SearchEngine::onTimeout()
+{
+    cancelSearch();
+}
+
+// search QProcess return output as soon as it gets new
+// stuff to read. We split it into lines and parse each
+// line to SearchResult calling parseSearchResult().
+void SearchEngine::readSearchOutput()
+{
+    QByteArray output = m_searchProcess->readAllStandardOutput();
+    output.replace("\r", "");
+    QList<QByteArray> lines = output.split('\n');
+    if (!m_searchResultLineTruncated.isEmpty())
+        lines.prepend(m_searchResultLineTruncated + lines.takeFirst());
+    m_searchResultLineTruncated = lines.takeLast().trimmed();
+
+    QList<SearchResult> searchResultList;
+    foreach (const QByteArray &line, lines) {
+        SearchResult searchResult;
+        if (parseSearchResult(QString::fromUtf8(line), searchResult))
+            searchResultList << searchResult;
+    }
+
+    if (!searchResultList.isEmpty())
+        emit newSearchResults(searchResultList);
+}
+
+void SearchEngine::update()
+{
+    QProcess nova;
+    nova.setEnvironment(QProcess::systemEnvironment());
+    QStringList params;
+    params << Utils::Fs::toNativePath(engineLocation() + "/nova2.py");
+    params << "--capabilities";
+    nova.start(Utils::Misc::pythonExecutable(), params, QIODevice::ReadOnly);
+    nova.waitForStarted();
+    nova.waitForFinished();
+
+    QString capabilities = QString(nova.readAll());
+    QDomDocument xmlDoc;
+    if (!xmlDoc.setContent(capabilities)) {
+        qWarning() << "Could not parse Nova search engine capabilities, msg: " << capabilities.toLocal8Bit().data();
+        qWarning() << "Error: " << nova.readAllStandardError().constData();
+        return;
+    }
+
+    QDomElement root = xmlDoc.documentElement();
+    if (root.tagName() != "capabilities") {
+        qWarning() << "Invalid XML file for Nova search engine capabilities, msg: " << capabilities.toLocal8Bit().data();
+        return;
+    }
+
+    for (QDomNode engineNode = root.firstChild(); !engineNode.isNull(); engineNode = engineNode.nextSibling()) {
+        QDomElement engineElem = engineNode.toElement();
+        if (!engineElem.isNull()) {
+            QString pluginName = engineElem.tagName();
+
+            PluginInfo *plugin = new PluginInfo;
+            plugin->name = pluginName;
+            plugin->version = getPluginVersion(pluginPath(pluginName));
+            plugin->fullName = engineElem.elementsByTagName("name").at(0).toElement().text();
+            plugin->url = engineElem.elementsByTagName("url").at(0).toElement().text();
+
+            foreach (QString cat, engineElem.elementsByTagName("categories").at(0).toElement().text().split(" ")) {
+                cat = cat.trimmed();
+                if (!cat.isEmpty())
+                    plugin->supportedCategories << cat;
+            }
+
+            QStringList disabledEngines = Preferences::instance()->getSearchEngDisabled();
+            plugin->enabled = !disabledEngines.contains(pluginName);
+
+            // Handle icon
+            QString iconPath = QString("%1/%2.png").arg(pluginsLocation()).arg(pluginName);
+            if (QFile::exists(iconPath)) {
+                plugin->iconPath = iconPath;
+            }
+            else {
+                iconPath = QString("%1/%2.ico").arg(pluginsLocation()).arg(pluginName);
+                if (QFile::exists(iconPath))
+                    plugin->iconPath = iconPath;
+            }
+
+            if (!m_plugins.contains(pluginName)) {
+                m_plugins[pluginName] = plugin;
+                emit pluginInstalled(pluginName);
+            }
+            else if (m_plugins[pluginName]->version != plugin->version) {
+                delete m_plugins.take(pluginName);
+                m_plugins[pluginName] = plugin;
+                emit pluginUpdated(pluginName);
+            }
+        }
+    }
+}
+
+// Parse one line of search results list
+// Line is in the following form:
+// file url | file name | file size | nb seeds | nb leechers | Search engine url
+bool SearchEngine::parseSearchResult(const QString &line, SearchResult &searchResult)
+{
+    const QStringList parts = line.split("|");
+    const int nbFields = parts.size();
+    if (nbFields < (NB_PLUGIN_COLUMNS - 1)) return false; // -1 because desc_link is optional
+
+    searchResult = SearchResult();
+    searchResult.fileUrl = parts.at(PL_DL_LINK).trimmed(); // download URL
+    searchResult.fileName = parts.at(PL_NAME).trimmed(); // Name
+    searchResult.fileSize = parts.at(PL_SIZE).trimmed().toLongLong(); // Size
+    bool ok = false;
+    searchResult.nbSeeders = parts.at(PL_SEEDS).trimmed().toLongLong(&ok); // Seeders
+    if (!ok || (searchResult.nbSeeders < 0))
+        searchResult.nbSeeders = -1;
+    searchResult.nbLeechers = parts.at(PL_LEECHS).trimmed().toLongLong(&ok); // Leechers
+    if (!ok || (searchResult.nbLeechers < 0))
+        searchResult.nbLeechers = -1;
+    searchResult.siteUrl = parts.at(PL_ENGINE_URL).trimmed(); // Search site URL
+    if (nbFields == NB_PLUGIN_COLUMNS)
+        searchResult.descrLink = parts.at(PL_DESC_LINK).trimmed(); // Description Link
+
+    return true;
+}
+
+void SearchEngine::parseVersionInfo(const QByteArray &info)
+{
+    qDebug("Checking if update is needed");
+
+    QHash<QString, qreal> updateInfo;
+    bool dataCorrect = false;
+    QList<QByteArray> lines = info.split('\n');
+    foreach (QByteArray line, lines) {
+        line = line.trimmed();
+        if (line.isEmpty()) continue;
+        if (line.startsWith("#")) continue;
+
+        QList<QByteArray> list = line.split(' ');
+        if (list.size() != 2) continue;
+
+        QString pluginName = QString(list.first());
+        if (!pluginName.endsWith(":")) continue;
+
+        pluginName.chop(1); // remove trailing ':'
+        bool ok;
+        qreal version = list.last().toFloat(&ok);
+        qDebug("read line %s: %.2f", qPrintable(pluginName), version);
+        if (!ok) continue;
+
+        dataCorrect = true;
+        if (isUpdateNeeded(pluginName, version)) {
+            qDebug("Plugin: %s is outdated", qPrintable(pluginName));
+            updateInfo[pluginName] = version;
+        }
+    }
+
+    if (!dataCorrect)
+        emit checkForUpdatesFailed(tr("An incorrect update info received."));
+    else
+        emit checkForUpdatesFinished(updateInfo);
+}
+
+bool SearchEngine::isUpdateNeeded(QString pluginName, qreal newVersion) const
+{
+    PluginInfo *plugin = pluginInfo(pluginName);
+    if (!plugin) return true;
+
+    qreal oldVersion = plugin->version;
+    qDebug("IsUpdate needed? to be installed: %.2f, already installed: %.2f", newVersion, oldVersion);
+    return (newVersion > oldVersion);
+}
+
+QString SearchEngine::pluginPath(const QString &name)
+{
+    return QString("%1/%2.py").arg(pluginsLocation()).arg(name);
+}
+
+QHash<QString, QString> SearchEngine::initializeCategoryNames()
+{
+    QHash<QString, QString> result;
+
+    result["all"] = QT_TRANSLATE_NOOP("SearchEngine", "All categories");
+    result["movies"] = QT_TRANSLATE_NOOP("SearchEngine", "Movies");
+    result["tv"] = QT_TRANSLATE_NOOP("SearchEngine", "TV shows");
+    result["music"] = QT_TRANSLATE_NOOP("SearchEngine", "Music");
+    result["games"] = QT_TRANSLATE_NOOP("SearchEngine", "Games");
+    result["anime"] = QT_TRANSLATE_NOOP("SearchEngine", "Anime");
+    result["software"] = QT_TRANSLATE_NOOP("SearchEngine", "Software");
+    result["pictures"] = QT_TRANSLATE_NOOP("SearchEngine", "Pictures");
+    result["books"] = QT_TRANSLATE_NOOP("SearchEngine", "Books");
+
+    return result;
+}
+
+qreal SearchEngine::getPluginVersion(QString filePath)
+{
+    QFile plugin(filePath);
+    if (!plugin.exists()) {
+        qDebug("%s plugin does not exist, returning 0.0", qPrintable(filePath));
+        return 0.0;
+    }
+
+    if (!plugin.open(QIODevice::ReadOnly | QIODevice::Text))
+        return 0.0;
+
+    qreal version = 0.0;
+    while (!plugin.atEnd()) {
+        QByteArray line = plugin.readLine();
+        if (line.startsWith("#VERSION: ")) {
+            line = line.split(' ').last().trimmed();
+            version = line.toFloat();
+            qDebug("plugin %s version: %.2f", qPrintable(filePath), version);
+            break;
+        }
+    }
+
+    return version;
+}

src/base/searchengine.h

@@ -0,0 +1,137 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef SEARCHENGINE_H
+#define SEARCHENGINE_H
+
+#include <QObject>
+#include <QHash>
+#include <QStringList>
+#include <QList>
+
+class QProcess;
+class QTimer;
+
+struct PluginInfo
+{
+    QString name;
+    qreal version;
+    QString fullName;
+    QString url;
+    QStringList supportedCategories;
+    QString iconPath;
+    bool enabled;
+};
+
+struct SearchResult
+{
+    QString fileName;
+    QString fileUrl;
+    qlonglong fileSize;
+    qlonglong nbSeeders;
+    qlonglong nbLeechers;
+    QString siteUrl;
+    QString descrLink;
+};
+
+class SearchEngine: public QObject
+{
+    Q_OBJECT
+
+public:
+    SearchEngine();
+    ~SearchEngine();
+
+    QStringList allPlugins() const;
+    QStringList enabledPlugins() const;
+    QStringList supportedCategories() const;
+    PluginInfo *pluginInfo(const QString &name) const;
+
+    bool isActive() const;
+
+    void enablePlugin(const QString &name, bool enabled = true);
+    void updatePlugin(const QString &name);
+    void installPlugin(const QString &source);
+    bool uninstallPlugin(const QString &name);
+    void checkForUpdates();
+
+    void startSearch(const QString &pattern, const QString &category, const QStringList &usedPlugins);
+    void cancelSearch();
+
+    static qreal getPluginVersion(QString filePath);
+    static QString categoryFullName(const QString &categoryName);
+    static QString pluginsLocation();
+
+signals:
+    void searchStarted();
+    void searchFinished(bool cancelled);
+    void searchFailed();
+    void newSearchResults(const QList<SearchResult> &results);
+
+    void pluginInstalled(const QString &name);
+    void pluginInstallationFailed(const QString &name, const QString &reason);
+    void pluginUpdated(const QString &name);
+    void pluginUpdateFailed(const QString &name, const QString &reason);
+
+    void checkForUpdatesFinished(const QHash<QString, qreal> &updateInfo);
+    void checkForUpdatesFailed(const QString &reason);
+
+private slots:
+    void onTimeout();
+    void readSearchOutput();
+    void processFinished(int exitcode);
+    void versionInfoDownloaded(const QString &url, const QByteArray &data);
+    void versionInfoDownloadFailed(const QString &url, const QString &reason);
+    void pluginDownloaded(const QString &url, QString filePath);
+    void pluginDownloadFailed(const QString &url, const QString &reason);
+
+private:
+    void update();
+    void updateNova();
+    bool parseSearchResult(const QString &line, SearchResult &searchResult);
+    void parseVersionInfo(const QByteArray &info);
+    void installPlugin_impl(const QString &name, const QString &path);
+    bool isUpdateNeeded(QString pluginName, qreal newVersion) const;
+
+    static QString engineLocation();
+    static QString pluginPath(const QString &name);
+    static QHash<QString, QString> initializeCategoryNames();
+
+    static const QHash<QString, QString> m_categoryNames;
+
+    const QString m_updateUrl;
+
+    QHash<QString, PluginInfo*> m_plugins;
+    QProcess *m_searchProcess;
+    bool m_searchStopped;
+    QTimer *m_searchTimeout;
+    QByteArray m_searchResultLineTruncated;
+};
+
+#endif // SEARCHENGINE_H

src/base/utils/fs.cpp

@@ -509,18 +509,6 @@ QString Utils::Fs::QDesktopServicesDownloadLocation()
 #endif
 }
 
-QString Utils::Fs::searchEngineLocation()
-{
-    QString folder = "nova";
-    if (Utils::Misc::pythonVersion() >= 3)
-        folder = "nova3";
-    const QString location = expandPathAbs(QDesktopServicesDataLocation() + folder);
-    QDir locationDir(location);
-    if (!locationDir.exists())
-        locationDir.mkpath(locationDir.absolutePath());
-    return location;
-}
-
 QString Utils::Fs::cacheLocation()
 {
     QString location = expandPathAbs(QDesktopServicesCacheLocation());

src/base/utils/fs.h

@@ -65,7 +65,7 @@ namespace Utils
         QString QDesktopServicesCacheLocation();
         QString QDesktopServicesDownloadLocation();
         /* End of Qt4 code */
-        QString searchEngineLocation();
+
         QString cacheLocation();
     }
 }

src/gui/addnewtorrentdialog.cpp

@@ -137,6 +137,10 @@ void AddNewTorrentDialog::show(QString source, QWidget *parent)
         qDebug("Converting bc link to magnet link");
         source = Utils::Misc::bcLinkToMagnet(source);
     }
+    else if (((source.size() == 40) && !source.contains(QRegExp("[^0-9A-Fa-f]")))
+             || ((source.size() == 32) && !source.contains(QRegExp("[^2-7A-Za-z]")))) {
+        source = "magnet:?xt=urn:btih:" + source;
+    }
 
     AddNewTorrentDialog *dlg = new AddNewTorrentDialog(parent);
 

src/gui/gui.pri

@@ -41,7 +41,13 @@ HEADERS += \
     $$PWD/advancedsettings.h \
     $$PWD/shutdownconfirm.h \
     $$PWD/torrentmodel.h \
-    $$PWD/torrentcreatordlg.h
+    $$PWD/torrentcreatordlg.h \
+    $$PWD/search/searchwidget.h \
+    $$PWD/search/searchtab.h \
+    $$PWD/search/pluginselectdlg.h \
+    $$PWD/search/pluginsourcedlg.h \
+    $$PWD/search/searchlistdelegate.h \
+    $$PWD/search/searchsortmodel.h
 
 SOURCES += \
     $$PWD/mainwindow.cpp \
@@ -72,7 +78,13 @@ SOURCES += \
     $$PWD/options_imp.cpp \
     $$PWD/shutdownconfirm.cpp \
     $$PWD/torrentmodel.cpp \
-    $$PWD/torrentcreatordlg.cpp
+    $$PWD/torrentcreatordlg.cpp \
+    $$PWD/search/searchwidget.cpp \
+    $$PWD/search/searchtab.cpp \
+    $$PWD/search/pluginselectdlg.cpp \
+    $$PWD/search/pluginsourcedlg.cpp \
+    $$PWD/search/searchlistdelegate.cpp \
+    $$PWD/search/searchsortmodel.cpp
 
 win32|macx {
     HEADERS += $$PWD/programupdater.h
@@ -94,6 +106,9 @@ FORMS += \
     $$PWD/autoexpandabledialog.ui \
     $$PWD/statsdialog.ui \
     $$PWD/options.ui \
-    $$PWD/torrentcreatordlg.ui
+    $$PWD/torrentcreatordlg.ui \
+    $$PWD/search/searchwidget.ui \
+    $$PWD/search/pluginselectdlg.ui \
+    $$PWD/search/pluginsourcedlg.ui
 
 RESOURCES += $$PWD/about.qrc

src/gui/mainwindow.cpp

@@ -34,6 +34,7 @@
 #include "notifications.h"
 #endif
 
+#include <QDebug>
 #include <QFileDialog>
 #include <QFileSystemWatcher>
 #include <QMessageBox>
@@ -50,10 +51,11 @@
 #include "mainwindow.h"
 #include "transferlistwidget.h"
 #include "base/utils/misc.h"
+#include "base/utils/fs.h"
 #include "torrentcreatordlg.h"
 #include "downloadfromurldlg.h"
 #include "addnewtorrentdialog.h"
-#include "searchengine.h"
+#include "search/searchwidget.h"
 #include "rss_imp.h"
 #include "base/bittorrent/session.h"
 #include "base/bittorrent/sessionstatus.h"
@@ -531,7 +533,7 @@ void MainWindow::displaySearchTab(bool enable)
     if (enable) {
         // RSS tab
         if (!searchEngine) {
-            searchEngine = new SearchEngine(this);
+            searchEngine = new SearchWidget(this);
             tabs->insertTab(1, searchEngine, GuiIconProvider::instance()->getIcon("edit-find"), tr("Search"));
         }
     }

src/gui/mainwindow.h

@@ -38,7 +38,7 @@
 #include "statsdialog.h"
 
 class downloadFromURL;
-class SearchEngine;
+class SearchWidget;
 class RSSImp;
 class about;
 class options_imp;
@@ -192,7 +192,7 @@ private:
     QSplitter *hSplitter;
     QSplitter *vSplitter;
     // Search
-    QPointer<SearchEngine> searchEngine;
+    QPointer<SearchWidget> searchEngine;
     // RSS
     QPointer<RSSImp> rssWidget;
     // Execution Log

src/gui/search/pluginselectdlg.cpp

@@ -0,0 +1,438 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#include <QHeaderView>
+#include <QMenu>
+#include <QMessageBox>
+#include <QFileDialog>
+#include <QDropEvent>
+#include <QTemporaryFile>
+#include <QMimeData>
+#include <QClipboard>
+#ifdef QBT_USES_QT5
+#include <QTableView>
+#endif
+
+#include "base/utils/fs.h"
+#include "base/utils/misc.h"
+#include "base/net/downloadmanager.h"
+#include "base/net/downloadhandler.h"
+#include "base/searchengine.h"
+#include "ico.h"
+#include "searchwidget.h"
+#include "pluginsourcedlg.h"
+#include "guiiconprovider.h"
+#include "autoexpandabledialog.h"
+#include "pluginselectdlg.h"
+
+enum PluginColumns
+{
+    PLUGIN_NAME,
+    PLUGIN_VERSION,
+    PLUGIN_URL,
+    PLUGIN_STATE,
+    PLUGIN_ID
+};
+
+PluginSelectDlg::PluginSelectDlg(SearchEngine *pluginManager, QWidget *parent)
+    : QDialog(parent)
+    , m_pluginManager(pluginManager)
+    , m_asyncOps(0)
+{
+    setupUi(this);
+    setAttribute(Qt::WA_DeleteOnClose);
+
+#ifdef QBT_USES_QT5
+    // This hack fixes reordering of first column with Qt5.
+    // https://github.com/qtproject/qtbase/commit/e0fc088c0c8bc61dbcaf5928b24986cd61a22777
+    QTableView unused;
+    unused.setVerticalHeader(pluginsTree->header());
+    pluginsTree->header()->setParent(pluginsTree);
+    unused.setVerticalHeader(new QHeaderView(Qt::Horizontal));
+#endif
+    pluginsTree->setRootIsDecorated(false);
+    pluginsTree->header()->resizeSection(0, 160);
+    pluginsTree->header()->resizeSection(1, 80);
+    pluginsTree->header()->resizeSection(2, 200);
+    pluginsTree->hideColumn(PLUGIN_ID);
+
+    actionUninstall->setIcon(GuiIconProvider::instance()->getIcon("list-remove"));
+
+    connect(actionEnable, SIGNAL(toggled(bool)), this, SLOT(enableSelection(bool)));
+    connect(pluginsTree, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(displayContextMenu(const QPoint&)));
+    connect(pluginsTree, SIGNAL(itemDoubleClicked(QTreeWidgetItem*, int)), this, SLOT(togglePluginState(QTreeWidgetItem*, int)));
+
+    loadSupportedSearchPlugins();
+
+    connect(m_pluginManager, SIGNAL(pluginInstalled(QString)), SLOT(pluginInstalled(QString)));
+    connect(m_pluginManager, SIGNAL(pluginInstallationFailed(QString, QString)), SLOT(pluginInstallationFailed(QString, QString)));
+    connect(m_pluginManager, SIGNAL(pluginUpdated(QString)), SLOT(pluginUpdated(QString)));
+    connect(m_pluginManager, SIGNAL(pluginUpdateFailed(QString, QString)), SLOT(pluginUpdateFailed(QString, QString)));
+    connect(m_pluginManager, SIGNAL(checkForUpdatesFinished(QHash<QString, qreal>)), SLOT(checkForUpdatesFinished(QHash<QString, qreal>)));
+    connect(m_pluginManager, SIGNAL(checkForUpdatesFailed(QString)), SLOT(checkForUpdatesFailed(QString)));
+
+    show();
+}
+
+PluginSelectDlg::~PluginSelectDlg()
+{
+    emit pluginsChanged();
+}
+
+void PluginSelectDlg::dropEvent(QDropEvent *event)
+{
+    event->acceptProposedAction();
+
+    QStringList files;
+    if (event->mimeData()->hasUrls()) {
+        foreach (const QUrl &url, event->mimeData()->urls()) {
+            if (!url.isEmpty()) {
+                if (url.scheme().compare("file", Qt::CaseInsensitive) == 0)
+                    files << url.toLocalFile();
+                else
+                    files << url.toString();
+            }
+        }
+    }
+    else {
+        files = event->mimeData()->text().split(QLatin1String("\n"));
+    }
+
+    if (files.isEmpty()) return;
+
+    foreach (QString file, files) {
+        qDebug("dropped %s", qPrintable(file));
+        startAsyncOp();
+        m_pluginManager->installPlugin(file);
+    }
+}
+
+// Decode if we accept drag 'n drop or not
+void PluginSelectDlg::dragEnterEvent(QDragEnterEvent *event)
+{
+    QString mime;
+    foreach (mime, event->mimeData()->formats()) {
+        qDebug("mimeData: %s", qPrintable(mime));
+    }
+
+    if (event->mimeData()->hasFormat(QLatin1String("text/plain")) || event->mimeData()->hasFormat(QLatin1String("text/uri-list"))) {
+        event->acceptProposedAction();
+    }
+}
+
+void PluginSelectDlg::on_updateButton_clicked()
+{
+    startAsyncOp();
+    m_pluginManager->checkForUpdates();
+}
+
+void PluginSelectDlg::togglePluginState(QTreeWidgetItem *item, int)
+{
+    PluginInfo *plugin = m_pluginManager->pluginInfo(item->text(PLUGIN_ID));
+    m_pluginManager->enablePlugin(plugin->name, !plugin->enabled);
+    if (plugin->enabled) {
+        item->setText(PLUGIN_STATE, tr("Yes"));
+        setRowColor(pluginsTree->indexOfTopLevelItem(item), "green");
+    }
+    else {
+        item->setText(PLUGIN_STATE, tr("No"));
+        setRowColor(pluginsTree->indexOfTopLevelItem(item), "red");
+    }
+}
+
+void PluginSelectDlg::displayContextMenu(const QPoint&)
+{
+    QMenu myContextMenu(this);
+    // Enable/disable pause/start action given the DL state
+    QList<QTreeWidgetItem *> items = pluginsTree->selectedItems();
+    if (items.isEmpty()) return;
+
+    QString first_id = items.first()->text(PLUGIN_ID);
+    actionEnable->setChecked(m_pluginManager->pluginInfo(first_id)->enabled);
+    myContextMenu.addAction(actionEnable);
+    myContextMenu.addSeparator();
+    myContextMenu.addAction(actionUninstall);
+    myContextMenu.exec(QCursor::pos());
+}
+
+void PluginSelectDlg::on_closeButton_clicked()
+{
+    close();
+}
+
+void PluginSelectDlg::on_actionUninstall_triggered()
+{
+    bool error = false;
+    foreach (QTreeWidgetItem *item, pluginsTree->selectedItems()) {
+        int index = pluginsTree->indexOfTopLevelItem(item);
+        Q_ASSERT(index != -1);
+        QString id = item->text(PLUGIN_ID);
+        if (m_pluginManager->uninstallPlugin(id)) {
+            delete item;
+        }
+        else {
+            error = true;
+            // Disable it instead
+            m_pluginManager->enablePlugin(id, false);
+            item->setText(PLUGIN_STATE, tr("No"));
+            setRowColor(index, "red");
+        }
+    }
+
+    if (error)
+        QMessageBox::warning(0, tr("Uninstall warning"), tr("Some plugins could not be uninstalled because they are included in qBittorrent. Only the ones you added yourself can be uninstalled.\nThose plugins were disabled."));
+    else
+        QMessageBox::information(0, tr("Uninstall success"), tr("All selected plugins were uninstalled successfully"));
+}
+
+void PluginSelectDlg::enableSelection(bool enable)
+{
+    foreach (QTreeWidgetItem *item, pluginsTree->selectedItems()) {
+        int index = pluginsTree->indexOfTopLevelItem(item);
+        Q_ASSERT(index != -1);
+        QString id = item->text(PLUGIN_ID);
+        m_pluginManager->enablePlugin(id, enable);
+        if (enable) {
+            item->setText(PLUGIN_STATE, tr("Yes"));
+            setRowColor(index, "green");
+        }
+        else {
+            item->setText(PLUGIN_STATE, tr("No"));
+            setRowColor(index, "red");
+        }
+    }
+}
+
+// Set the color of a row in data model
+void PluginSelectDlg::setRowColor(int row, QString color)
+{
+    QTreeWidgetItem *item = pluginsTree->topLevelItem(row);
+    for (int i = 0; i < pluginsTree->columnCount(); ++i) {
+        item->setData(i, Qt::ForegroundRole, QVariant(QColor(color)));
+    }
+}
+
+QList<QTreeWidgetItem*> PluginSelectDlg::findItemsWithUrl(QString url)
+{
+    QList<QTreeWidgetItem*> res;
+
+    for (int i = 0; i < pluginsTree->topLevelItemCount(); ++i) {
+        QTreeWidgetItem *item = pluginsTree->topLevelItem(i);
+        if (url.startsWith(item->text(PLUGIN_URL), Qt::CaseInsensitive))
+            res << item;
+    }
+
+    return res;
+}
+
+QTreeWidgetItem* PluginSelectDlg::findItemWithID(QString id)
+{
+    for (int i = 0; i < pluginsTree->topLevelItemCount(); ++i) {
+        QTreeWidgetItem *item = pluginsTree->topLevelItem(i);
+        if (id == item->text(PLUGIN_ID))
+            return item;
+    }
+
+    return 0;
+}
+
+void PluginSelectDlg::loadSupportedSearchPlugins()
+{
+    // Some clean up first
+    pluginsTree->clear();
+    foreach (QString name, m_pluginManager->allPlugins())
+        addNewPlugin(name);
+}
+
+void PluginSelectDlg::addNewPlugin(QString pluginName)
+{
+    QTreeWidgetItem *item = new QTreeWidgetItem(pluginsTree);
+    PluginInfo *plugin = m_pluginManager->pluginInfo(pluginName);
+    item->setText(PLUGIN_NAME, plugin->fullName);
+    item->setText(PLUGIN_URL, plugin->url);
+    item->setText(PLUGIN_ID, plugin->name);
+    if (plugin->enabled) {
+        item->setText(PLUGIN_STATE, tr("Yes"));
+        setRowColor(pluginsTree->indexOfTopLevelItem(item), "green");
+    }
+    else {
+        item->setText(PLUGIN_STATE, tr("No"));
+        setRowColor(pluginsTree->indexOfTopLevelItem(item), "red");
+    }
+    // Handle icon
+    if (QFile::exists(plugin->iconPath)) {
+        // Good, we already have the icon
+        item->setData(PLUGIN_NAME, Qt::DecorationRole, QVariant(QIcon(plugin->iconPath)));
+    }
+    else {
+        // Icon is missing, we must download it
+        Net::DownloadHandler *handler = Net::DownloadManager::instance()->downloadUrl(plugin->url + "/favicon.ico", true);
+        connect(handler, SIGNAL(downloadFinished(QString, QString)), this, SLOT(iconDownloaded(QString, QString)));
+        connect(handler, SIGNAL(downloadFailed(QString, QString)), this, SLOT(iconDownloadFailed(QString, QString)));
+    }
+    item->setText(PLUGIN_VERSION, QString::number(plugin->version, 'f', 2));
+}
+
+void PluginSelectDlg::startAsyncOp()
+{
+    ++m_asyncOps;
+    if (m_asyncOps == 1)
+        setCursor(QCursor(Qt::WaitCursor));
+}
+
+void PluginSelectDlg::finishAsyncOp()
+{
+    --m_asyncOps;
+    if (m_asyncOps == 0)
+        setCursor(QCursor(Qt::ArrowCursor));
+}
+
+void PluginSelectDlg::on_installButton_clicked()
+{
+    PluginSourceDlg *dlg = new PluginSourceDlg(this);
+    connect(dlg, SIGNAL(askForLocalFile()), this, SLOT(askForLocalPlugin()));
+    connect(dlg, SIGNAL(askForUrl()), this, SLOT(askForPluginUrl()));
+}
+
+void PluginSelectDlg::askForPluginUrl()
+{
+    bool ok = false;
+    QString clipTxt = qApp->clipboard()->text();
+    QString defaultUrl = "http://";
+    if (Utils::Misc::isUrl(clipTxt) && clipTxt.endsWith(".py"))
+      defaultUrl = clipTxt;
+    QString url = AutoExpandableDialog::getText(
+                this, tr("New search engine plugin URL"),
+                tr("URL:"), QLineEdit::Normal, defaultUrl, &ok
+                );
+
+    while (ok && !url.isEmpty() && !url.endsWith(".py")) {
+        QMessageBox::warning(this, tr("Invalid link"), tr("The link doesn't seem to point to a search engine plugin."));
+        url = AutoExpandableDialog::getText(
+                    this, tr("New search engine plugin URL"),
+                    tr("URL:"), QLineEdit::Normal, url, &ok
+                    );
+    }
+
+    if (ok && !url.isEmpty()) {
+        startAsyncOp();
+        m_pluginManager->installPlugin(url);
+    }
+}
+
+void PluginSelectDlg::askForLocalPlugin()
+{
+    QStringList pathsList = QFileDialog::getOpenFileNames(
+                0, tr("Select search plugins"), QDir::homePath(),
+                tr("qBittorrent search plugin") + QLatin1String(" (*.py)")
+                );
+    foreach (QString path, pathsList) {
+        startAsyncOp();
+        m_pluginManager->installPlugin(path);
+    }
+}
+
+void PluginSelectDlg::iconDownloaded(const QString &url, QString filePath)
+{
+    filePath = Utils::Fs::fromNativePath(filePath);
+
+    // Icon downloaded
+    QImage fileIcon;
+    if (fileIcon.load(filePath)) {
+        foreach (QTreeWidgetItem *item, findItemsWithUrl(url)) {
+            QString id = item->text(PLUGIN_ID);
+            PluginInfo *plugin = m_pluginManager->pluginInfo(id);
+            if (!plugin) continue;
+
+            QFile icon(filePath);
+            icon.open(QIODevice::ReadOnly);
+            QString iconPath = QString("%1/%2.%3").arg(SearchEngine::pluginsLocation()).arg(id).arg(ICOHandler::canRead(&icon) ? "ico" : "png");
+            if (QFile::copy(filePath, iconPath))
+                item->setData(PLUGIN_NAME, Qt::DecorationRole, QVariant(QIcon(iconPath)));
+        }
+    }
+    // Delete tmp file
+    Utils::Fs::forceRemove(filePath);
+}
+
+void PluginSelectDlg::iconDownloadFailed(const QString &url, const QString &reason)
+{
+    qDebug("Could not download favicon: %s, reason: %s", qPrintable(url), qPrintable(reason));
+}
+
+void PluginSelectDlg::checkForUpdatesFinished(const QHash<QString, qreal> &updateInfo)
+{
+    finishAsyncOp();
+    if (updateInfo.isEmpty()) {
+        QMessageBox::information(this, tr("Search plugin update"), tr("All your plugins are already up to date."));
+        return;
+    }
+
+    foreach (const QString &pluginName, updateInfo.keys()) {
+        startAsyncOp();
+        m_pluginManager->updatePlugin(pluginName);
+    }
+}
+
+void PluginSelectDlg::checkForUpdatesFailed(const QString &reason)
+{
+    finishAsyncOp();
+    QMessageBox::warning(this, tr("Search plugin update"), tr("Sorry, couldn't check for plugin updates. %1").arg(reason));
+}
+
+void PluginSelectDlg::pluginInstalled(const QString &name)
+{
+    addNewPlugin(name);
+    finishAsyncOp();
+    QMessageBox::information(this, tr("Search plugin install"), tr("\"%1\" search engine plugin was successfully installed.", "%1 is the name of the search engine").arg(name));
+}
+
+void PluginSelectDlg::pluginInstallationFailed(const QString &name, const QString &reason)
+{
+    finishAsyncOp();
+    QMessageBox::information(this, tr("Search plugin install"), tr("Couldn't install \"%1\" search engine plugin. %2").arg(name).arg(reason));
+}
+
+void PluginSelectDlg::pluginUpdated(const QString &name)
+{
+    finishAsyncOp();
+    qreal version = m_pluginManager->pluginInfo(name)->version;
+    QTreeWidgetItem *item = findItemWithID(name);
+    item->setText(PLUGIN_VERSION, QString::number(version, 'f', 2));
+    QMessageBox::information(this, tr("Search plugin install"), tr("\"%1\" search engine plugin was successfully updated.", "%1 is the name of the search engine").arg(name));
+
+}
+
+void PluginSelectDlg::pluginUpdateFailed(const QString &name, const QString &reason)
+{
+    finishAsyncOp();
+    QMessageBox::information(this, tr("Search plugin update"), tr("Couldn't update \"%1\" search engine plugin. %2").arg(name).arg(reason));
+}

src/gui/search/pluginselectdlg.h

@@ -1,6 +1,7 @@
 /*
- * Bittorrent Client using Qt4 and libtorrent.
+ * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2006  Christophe Dumez
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -28,56 +29,61 @@
  * Contact : chris@qbittorrent.org
  */
 
-#ifndef ENGINE_SELECT_DLG_H
+#ifndef PLUGINSELECTDLG_H
-#define ENGINE_SELECT_DLG_H
+#define PLUGINSELECTDLG_H
 
-#include "ui_engineselect.h"
+#include "ui_pluginselectdlg.h"
-#include "supportedengines.h"
 
-QT_BEGIN_NAMESPACE
 class QDropEvent;
-QT_END_NAMESPACE
+class SearchEngine;
 
-class engineSelectDlg : public QDialog, public Ui::engineSelect{
+class PluginSelectDlg: public QDialog, private Ui::PluginSelectDlg
-  Q_OBJECT
+{
+    Q_OBJECT
 
-  private:
+public:
-    void downloadFromUrl(const QString &url);
+    explicit PluginSelectDlg(SearchEngine *pluginManager, QWidget *parent = 0);
+    ~PluginSelectDlg();
 
-    SupportedEngines *supported_engines;
-    const QString m_updateUrl;
-
-  public:
-    engineSelectDlg(QWidget *parent, SupportedEngines *supported_engines);
-    ~engineSelectDlg();
     QList<QTreeWidgetItem*> findItemsWithUrl(QString url);
     QTreeWidgetItem* findItemWithID(QString id);
 
-  protected:
+signals:
-    bool parseVersionsFile(QString versions_file);
+    void pluginsChanged();
-    bool isUpdateNeeded(QString plugin_name, qreal new_version) const;
 
-  signals:
+protected:
-    void enginesChanged();
+    void dropEvent(QDropEvent *event);
+    void dragEnterEvent(QDragEnterEvent *event);
 
-  protected slots:
+private slots:
-    void on_closeButton_clicked();
-    void loadSupportedSearchEngines();
-    void addNewEngine(QString engine_name);
-    void toggleEngineState(QTreeWidgetItem*, int);
-    void setRowColor(int row, QString color);
-    void processDownloadedFile(const QString &url, QString filePath);
-    void handleDownloadFailure(const QString &url, const QString &reason);
-    void displayContextMenu(const QPoint& pos);
-    void enableSelection(bool enable);
     void on_actionUninstall_triggered();
     void on_updateButton_clicked();
     void on_installButton_clicked();
-    void dropEvent(QDropEvent *event);
+    void on_closeButton_clicked();
-    void dragEnterEvent(QDragEnterEvent *event);
+    void togglePluginState(QTreeWidgetItem*, int);
-    void installPlugin(QString plugin_path, QString plugin_name);
+    void setRowColor(int row, QString color);
+    void displayContextMenu(const QPoint& pos);
+    void enableSelection(bool enable);
     void askForLocalPlugin();
     void askForPluginUrl();
+    void iconDownloaded(const QString &url, QString filePath);
+    void iconDownloadFailed(const QString &url, const QString &reason);
+
+    void checkForUpdatesFinished(const QHash<QString, qreal> &updateInfo);
+    void checkForUpdatesFailed(const QString &reason);
+    void pluginInstalled(const QString &name);
+    void pluginInstallationFailed(const QString &name, const QString &reason);
+    void pluginUpdated(const QString &name);
+    void pluginUpdateFailed(const QString &name, const QString &reason);
+
+private:
+    void loadSupportedSearchPlugins();
+    void addNewPlugin(QString pluginName);
+    void startAsyncOp();
+    void finishAsyncOp();
+
+    SearchEngine *m_pluginManager;
+    int m_asyncOps;
 };
 
-#endif
+#endif // PLUGINSELECTDLG_H

src/gui/search/pluginselectdlg.ui

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>engineSelect</class>
+ <class>PluginSelectDlg</class>
- <widget class="QDialog" name="engineSelect">
+ <widget class="QDialog" name="PluginSelectDlg">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -18,7 +18,7 @@
   </property>
   <layout class="QVBoxLayout">
    <item>
-    <widget class="QLabel" name="lbl_engines">
+    <widget class="QLabel" name="lbl_plugins">
      <property name="font">
       <font>
        <weight>75</weight>
@@ -27,7 +27,7 @@
       </font>
      </property>
      <property name="text">
-      <string>Installed search engines:</string>
+      <string>Installed search plugins:</string>
      </property>
     </widget>
    </item>
@@ -73,7 +73,7 @@
     </widget>
    </item>
    <item>
-    <widget class="QLabel" name="getNewEngine_lbl">
+    <widget class="QLabel" name="getNewPlugin_lbl">
      <property name="font">
       <font>
        <italic>true</italic>

src/gui/search/pluginsourcedlg.cpp

@@ -0,0 +1,51 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2006  Christophe Dumez
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#include "pluginsourcedlg.h"
+
+PluginSourceDlg::PluginSourceDlg(QWidget *parent)
+    : QDialog(parent)
+{
+    setupUi(this);
+    setAttribute(Qt::WA_DeleteOnClose);
+    show();
+}
+
+void PluginSourceDlg::on_localButton_clicked()
+{
+    emit askForLocalFile();
+    close();
+}
+
+void PluginSourceDlg::on_urlButton_clicked()
+{
+    emit askForUrl();
+    close();
+}

src/gui/search/pluginsourcedlg.h

@@ -1,5 +1,5 @@
 /*
- * Bittorrent Client using Qt4 and libtorrent.
+ * Bittorrent Client using Qt and libtorrent.
  * Copyright (C) 2006  Christophe Dumez
  *
  * This program is free software; you can redistribute it and/or
@@ -28,38 +28,26 @@
  * Contact : chris@qbittorrent.org
  */
 
-#ifndef PLUGIN_SOURCE_H
+#ifndef PLUGINSOURCEDLG_H
-#define PLUGIN_SOURCE_H
+#define PLUGINSOURCEDLG_H
 
 #include <QDialog>
-#include "ui_pluginsource.h"
+#include "ui_pluginsourcedlg.h"
 
-class pluginSourceDlg: public QDialog, private Ui::pluginSourceDlg {
+class PluginSourceDlg: public QDialog, private Ui::PluginSourceDlg
-  Q_OBJECT
+{
+    Q_OBJECT
 
-  signals:
+public:
+    explicit PluginSourceDlg(QWidget *parent = 0);
+
+signals:
     void askForUrl();
     void askForLocalFile();
 
-  protected slots:
+private slots:
-    void on_localButton_clicked() {
+    void on_localButton_clicked();
-      emit askForLocalFile();
+    void on_urlButton_clicked();
-      close();
-    }
-
-    void on_urlButton_clicked() {
-      emit askForUrl();
-      close();
-    }
-
-  public:
-    pluginSourceDlg(QWidget* parent): QDialog(parent) {
-      setupUi(this);
-      setAttribute(Qt::WA_DeleteOnClose);
-      show();
-    }
-
-    ~pluginSourceDlg() {}
 };
 
-#endif
+#endif // PLUGINSOURCEDLG_H

src/gui/search/pluginsourcedlg.ui

@@ -1,6 +1,6 @@
 <ui version="4.0" >
- <class>pluginSourceDlg</class>
+ <class>PluginSourceDlg</class>
- <widget class="QDialog" name="pluginSourceDlg" >
+ <widget class="QDialog" name="PluginSourceDlg" >
   <property name="geometry" >
    <rect>
     <x>0</x>

src/gui/search/searchlistdelegate.cpp

@@ -0,0 +1,74 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2006  Christophe Dumez
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#include <QStyleOptionViewItemV2>
+#include <QModelIndex>
+#include <QPainter>
+#include <QProgressBar>
+
+#include "base/utils/misc.h"
+#include "searchsortmodel.h"
+#include "searchlistdelegate.h"
+
+SearchListDelegate::SearchListDelegate(QObject *parent)
+    : QItemDelegate(parent)
+{
+}
+
+void SearchListDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
+{
+    painter->save();
+
+    QStyleOptionViewItemV2 opt = QItemDelegate::setOptions(index, option);
+    switch(index.column()) {
+    case SearchSortModel::SIZE:
+        QItemDelegate::drawBackground(painter, opt, index);
+        QItemDelegate::drawDisplay(painter, opt, option.rect, Utils::Misc::friendlyUnit(index.data().toLongLong()));
+        break;
+    case SearchSortModel::SEEDS:
+        QItemDelegate::drawBackground(painter, opt, index);
+        QItemDelegate::drawDisplay(painter, opt, option.rect, (index.data().toLongLong() >= 0) ? index.data().toString() : tr("Unknown"));
+        break;
+    case SearchSortModel::LEECHS:
+        QItemDelegate::drawBackground(painter, opt, index);
+        QItemDelegate::drawDisplay(painter, opt, option.rect, (index.data().toLongLong() >= 0) ? index.data().toString() : tr("Unknown"));
+        break;
+    default:
+        QItemDelegate::paint(painter, option, index);
+    }
+
+    painter->restore();
+}
+
+QWidget *SearchListDelegate::createEditor(QWidget *, const QStyleOptionViewItem &, const QModelIndex &) const
+{
+    // No editor here
+    return 0;
+}

src/gui/search/searchlistdelegate.h

@@ -1,5 +1,5 @@
 /*
- * Bittorrent Client using Qt4 and libtorrent.
+ * Bittorrent Client using Qt and libtorrent.
  * Copyright (C) 2006  Christophe Dumez
  *
  * This program is free software; you can redistribute it and/or
@@ -32,47 +32,14 @@
 #define SEARCHLISTDELEGATE_H
 
 #include <QItemDelegate>
-#include <QStyleOptionViewItemV2>
-#include <QModelIndex>
-#include <QPainter>
-#include <QProgressBar>
-#include "base/utils/misc.h"
-#include "searchengine.h"
 
-class SearchListDelegate: public QItemDelegate {
+class SearchListDelegate: public QItemDelegate
-  Q_OBJECT
+{
+public:
+    explicit SearchListDelegate(QObject *parent = 0);
 
-  public:
+    void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
-    SearchListDelegate(QObject *parent=0) : QItemDelegate(parent) {}
+    QWidget* createEditor(QWidget*, const QStyleOptionViewItem &, const QModelIndex &) const;
-
-    ~SearchListDelegate() {}
-
-    void paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const {
-      painter->save();
-      QStyleOptionViewItemV2 opt = QItemDelegate::setOptions(index, option);
-      switch(index.column()) {
-        case SearchSortModel::SIZE:
-          QItemDelegate::drawBackground(painter, opt, index);
-          QItemDelegate::drawDisplay(painter, opt, option.rect, Utils::Misc::friendlyUnit(index.data().toLongLong()));
-          break;
-        case SearchSortModel::SEEDS:
-          QItemDelegate::drawBackground(painter, opt, index);
-          QItemDelegate::drawDisplay(painter, opt, option.rect, (index.data().toLongLong() >= 0) ? index.data().toString() : tr("Unknown"));
-          break;
-        case SearchSortModel::LEECHS:
-          QItemDelegate::drawBackground(painter, opt, index);
-          QItemDelegate::drawDisplay(painter, opt, option.rect, (index.data().toLongLong() >= 0) ? index.data().toString() : tr("Unknown"));
-          break;
-        default:
-          QItemDelegate::paint(painter, option, index);
-      }
-      painter->restore();
-    }
-
-    QWidget* createEditor(QWidget*, const QStyleOptionViewItem &, const QModelIndex &) const {
-      // No editor here
-      return 0;
-    }
 };
 
 #endif

src/gui/search/searchsortmodel.cpp

@@ -0,0 +1,54 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2013  sledgehammer999 <hammered999@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "searchsortmodel.h"
+
+SearchSortModel::SearchSortModel(QObject *parent)
+    : QSortFilterProxyModel(parent)
+{
+}
+
+bool SearchSortModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
+{
+    if ((sortColumn() == NAME) || (sortColumn() == ENGINE_URL)) {
+        QVariant vL = sourceModel()->data(left);
+        QVariant vR = sourceModel()->data(right);
+        if (!(vL.isValid() && vR.isValid()))
+            return QSortFilterProxyModel::lessThan(left, right);
+        Q_ASSERT(vL.isValid());
+        Q_ASSERT(vR.isValid());
+
+        bool res = false;
+        if (Utils::String::naturalSort(vL.toString(), vR.toString(), res))
+            return res;
+
+        return QSortFilterProxyModel::lessThan(left, right);
+    }
+
+    return QSortFilterProxyModel::lessThan(left, right);
+}

src/gui/search/searchsortmodel.h

@@ -0,0 +1,56 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2013  sledgehammer999 <hammered999@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#ifndef SEARCHSORTMODEL_H
+#define SEARCHSORTMODEL_H
+
+#include <QSortFilterProxyModel>
+#include "base/utils/string.h"
+
+class SearchSortModel: public QSortFilterProxyModel
+{
+public:
+    enum SearchColumn
+    {
+        NAME,
+        SIZE,
+        SEEDS,
+        LEECHS,
+        ENGINE_URL,
+        DL_LINK,
+        DESC_LINK,
+        NB_SEARCH_COLUMNS
+    };
+
+    explicit SearchSortModel(QObject *parent = 0);
+
+protected:
+    virtual bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
+};
+
+#endif // SEARCHSORTMODEL_H

src/gui/search/searchtab.cpp

@@ -0,0 +1,172 @@
+/*
+ * Bittorrent Client using Qt4 and libtorrent.
+ * Copyright (C) 2006  Christophe Dumez
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#include <QDir>
+#include <QTreeView>
+#include <QStandardItemModel>
+#include <QHeaderView>
+#include <QSortFilterProxyModel>
+#include <QLabel>
+#include <QVBoxLayout>
+#ifdef QBT_USES_QT5
+#include <QTableView>
+#endif
+
+#include "base/utils/misc.h"
+#include "base/preferences.h"
+#include "searchsortmodel.h"
+#include "searchlistdelegate.h"
+#include "searchwidget.h"
+#include "searchtab.h"
+
+SearchTab::SearchTab(SearchWidget *parent)
+    : QWidget(parent)
+    , m_parent(parent)
+{
+    m_box = new QVBoxLayout(this);
+    m_resultsLbl = new QLabel(this);
+    m_resultsBrowser = new QTreeView(this);
+#ifdef QBT_USES_QT5
+    // This hack fixes reordering of first column with Qt5.
+    // https://github.com/qtproject/qtbase/commit/e0fc088c0c8bc61dbcaf5928b24986cd61a22777
+    QTableView unused;
+    unused.setVerticalHeader(m_resultsBrowser->header());
+    m_resultsBrowser->header()->setParent(m_resultsBrowser);
+    unused.setVerticalHeader(new QHeaderView(Qt::Horizontal));
+#endif
+    m_resultsBrowser->setSelectionMode(QAbstractItemView::ExtendedSelection);
+    m_box->addWidget(m_resultsLbl);
+    m_box->addWidget(m_resultsBrowser);
+
+    setLayout(m_box);
+
+    // Set Search results list model
+    m_searchListModel = new QStandardItemModel(0, SearchSortModel::NB_SEARCH_COLUMNS, this);
+    m_searchListModel->setHeaderData(SearchSortModel::NAME, Qt::Horizontal, tr("Name", "i.e: file name"));
+    m_searchListModel->setHeaderData(SearchSortModel::SIZE, Qt::Horizontal, tr("Size", "i.e: file size"));
+    m_searchListModel->setHeaderData(SearchSortModel::SEEDS, Qt::Horizontal, tr("Seeders", "i.e: Number of full sources"));
+    m_searchListModel->setHeaderData(SearchSortModel::LEECHS, Qt::Horizontal, tr("Leechers", "i.e: Number of partial sources"));
+    m_searchListModel->setHeaderData(SearchSortModel::ENGINE_URL, Qt::Horizontal, tr("Search engine"));
+
+    m_proxyModel = new SearchSortModel(this);
+    m_proxyModel->setDynamicSortFilter(true);
+    m_proxyModel->setSourceModel(m_searchListModel);
+    m_resultsBrowser->setModel(m_proxyModel);
+
+    m_searchDelegate = new SearchListDelegate(this);
+    m_resultsBrowser->setItemDelegate(m_searchDelegate);
+
+    m_resultsBrowser->hideColumn(SearchSortModel::DL_LINK); // Hide url column
+    m_resultsBrowser->hideColumn(SearchSortModel::DESC_LINK);
+
+    m_resultsBrowser->setRootIsDecorated(false);
+    m_resultsBrowser->setAllColumnsShowFocus(true);
+    m_resultsBrowser->setSortingEnabled(true);
+
+    // Connect signals to slots (search part)
+    connect(m_resultsBrowser, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(downloadSelectedItem(const QModelIndex&)));
+
+    // Load last columns width for search results list
+    if (!loadColWidthResultsList())
+        m_resultsBrowser->header()->resizeSection(0, 275);
+
+    // Sort by Seeds
+    m_resultsBrowser->sortByColumn(SearchSortModel::SEEDS, Qt::DescendingOrder);
+}
+
+void SearchTab::downloadSelectedItem(const QModelIndex &index)
+{
+    QString torrentUrl = m_proxyModel->data(m_proxyModel->index(index.row(), SearchSortModel::DL_LINK)).toString();
+    setRowColor(index.row(), "blue");
+    m_parent->downloadTorrent(torrentUrl);
+}
+
+QHeaderView* SearchTab::header() const
+{
+    return m_resultsBrowser->header();
+}
+
+bool SearchTab::loadColWidthResultsList()
+{
+    QString line = Preferences::instance()->getSearchColsWidth();
+    if (line.isEmpty()) return false;
+
+    QStringList widthList = line.split(' ');
+    if (widthList.size() > m_searchListModel->columnCount())
+        return false;
+
+    unsigned int listSize = widthList.size();
+    for (unsigned int i = 0; i < listSize; ++i) {
+        m_resultsBrowser->header()->resizeSection(i, widthList.at(i).toInt());
+    }
+
+    return true;
+}
+
+QLabel* SearchTab::getCurrentLabel() const
+{
+    return m_resultsLbl;
+}
+
+QTreeView* SearchTab::getCurrentTreeView() const
+{
+    return m_resultsBrowser;
+}
+
+QSortFilterProxyModel* SearchTab::getCurrentSearchListProxy() const
+{
+    return m_proxyModel;
+}
+
+QStandardItemModel* SearchTab::getCurrentSearchListModel() const
+{
+    return m_searchListModel;
+}
+
+// Set the color of a row in data model
+void SearchTab::setRowColor(int row, QString color)
+{
+    m_proxyModel->setDynamicSortFilter(false);
+    for (int i = 0; i < m_proxyModel->columnCount(); ++i) {
+        m_proxyModel->setData(m_proxyModel->index(row, i), QVariant(QColor(color)), Qt::ForegroundRole);
+    }
+
+    m_proxyModel->setDynamicSortFilter(true);
+}
+
+QString SearchTab::status() const
+{
+    return m_status;
+}
+
+void SearchTab::setStatus(const QString &value)
+{
+    m_status = value;
+}

src/gui/search/searchtab.h

@@ -28,51 +28,54 @@
  * Contact : chris@qbittorrent.org
  */
 
-#ifndef SEARCH_TAB_H
+#ifndef SEARCHTAB_H
-#define SEARCH_TAB_H
+#define SEARCHTAB_H
 
-#include "ui_search.h"
+#include <QWidget>
-#include "searchsortmodel.h"
 
-#define ENGINE_URL_COLUMN 4
+class QLabel;
-#define URL_COLUMN 5
-
-class SearchListDelegate;
-class SearchEngine;
-
-QT_BEGIN_NAMESPACE
 class QTreeView;
 class QHeaderView;
 class QStandardItemModel;
-QT_END_NAMESPACE
+class QSortFilterProxyModel;
+class QModelIndex;
+class QVBoxLayout;
 
-class SearchTab: public QWidget, public Ui::search_engine {
+class SearchSortModel;
+class SearchListDelegate;
+class SearchWidget;
+
+class SearchTab: public QWidget
+{
     Q_OBJECT
 
-private:
-    QVBoxLayout *box;
-    QLabel *results_lbl;
-    QTreeView *resultsBrowser;
-    QStandardItemModel *SearchListModel;
-    SearchSortModel *proxyModel;
-    SearchListDelegate *SearchDelegate;
-    SearchEngine *parent;
-
-protected slots:
-    void downloadSelectedItem(const QModelIndex& index);
-
 public:
-    SearchTab(SearchEngine *parent);
+    explicit SearchTab(SearchWidget *m_parent);
-    ~SearchTab();
+
-    bool loadColWidthResultsList();
+    QLabel* getCurrentLabel() const;
-    QLabel * getCurrentLabel();
     QStandardItemModel* getCurrentSearchListModel() const;
     QSortFilterProxyModel* getCurrentSearchListProxy() const;
-    QTreeView * getCurrentTreeView();
+    QTreeView* getCurrentTreeView() const;
-    void setRowColor(int row, QString color);
     QHeaderView* header() const;
-    QString status;
+    QString status() const;
+
+    bool loadColWidthResultsList();
+    void setRowColor(int row, QString color);
+    void setStatus(const QString &value);
+
+private slots:
+    void downloadSelectedItem(const QModelIndex &index);
+
+private:
+    QVBoxLayout *m_box;
+    QLabel *m_resultsLbl;
+    QTreeView *m_resultsBrowser;
+    QStandardItemModel *m_searchListModel;
+    SearchSortModel *m_proxyModel;
+    SearchListDelegate *m_searchDelegate;
+    SearchWidget *m_parent;
+    QString m_status;
 };
 
-#endif
+#endif // SEARCHTAB_H
 

src/gui/search/searchwidget.cpp

@@ -0,0 +1,413 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#include <QHeaderView>
+#include <QMessageBox>
+#include <QTemporaryFile>
+#include <QSystemTrayIcon>
+#include <QTimer>
+#include <QDir>
+#include <QMenu>
+#include <QClipboard>
+#include <QMimeData>
+#include <QStandardItemModel>
+#include <QSortFilterProxyModel>
+#include <QFileDialog>
+#include <QDesktopServices>
+#include <QClipboard>
+#include <QProcess>
+#include <QDebug>
+
+#include <iostream>
+#ifdef Q_OS_WIN
+#include <stdlib.h>
+#endif
+
+#include "base/bittorrent/session.h"
+#include "base/utils/fs.h"
+#include "base/utils/misc.h"
+#include "base/preferences.h"
+#include "base/searchengine.h"
+#include "searchlistdelegate.h"
+#include "mainwindow.h"
+#include "addnewtorrentdialog.h"
+#include "guiiconprovider.h"
+#include "lineedit.h"
+#include "pluginselectdlg.h"
+#include "searchsortmodel.h"
+#include "searchtab.h"
+#include "searchwidget.h"
+
+#define SEARCHHISTORY_MAXSIZE 50
+#define URL_COLUMN 5
+
+SearchWidget::SearchWidget(MainWindow *mainWindow)
+    : QWidget(mainWindow)
+    , m_mainWindow(mainWindow)
+{
+    setupUi(this);
+
+    m_searchPattern = new LineEdit(this);
+    searchBarLayout->insertWidget(0, m_searchPattern);
+    connect(m_searchPattern, SIGNAL(returnPressed()), searchButton, SLOT(click()));
+
+    // Icons
+    searchButton->setIcon(GuiIconProvider::instance()->getIcon("edit-find"));
+    downloadButton->setIcon(GuiIconProvider::instance()->getIcon("download"));
+    goToDescBtn->setIcon(GuiIconProvider::instance()->getIcon("application-x-mswinurl"));
+    pluginsButton->setIcon(GuiIconProvider::instance()->getIcon("preferences-system-network"));
+    copyURLBtn->setIcon(GuiIconProvider::instance()->getIcon("edit-copy"));
+    tabWidget->setTabsClosable(true);
+    connect(tabWidget, SIGNAL(tabCloseRequested(int)), this, SLOT(closeTab(int)));
+
+    m_searchEngine = new SearchEngine;
+    connect(m_searchEngine, SIGNAL(searchStarted()), SLOT(searchStarted()));
+    connect(m_searchEngine, SIGNAL(newSearchResults(QList<SearchResult>)), SLOT(appendSearchResults(QList<SearchResult>)));
+    connect(m_searchEngine, SIGNAL(searchFinished(bool)), SLOT(searchFinished(bool)));
+    connect(m_searchEngine, SIGNAL(searchFailed()), SLOT(searchFailed()));
+
+    // Fill in category combobox
+    fillCatCombobox();
+    fillPluginComboBox();
+
+    connect(m_searchPattern, SIGNAL(textEdited(QString)), this, SLOT(searchTextEdited(QString)));
+    connect(selectPlugin, SIGNAL(currentIndexChanged(const QString &)), this, SLOT(selectMultipleBox(const QString &)));
+}
+
+void SearchWidget::fillCatCombobox()
+{
+    comboCategory->clear();
+    comboCategory->addItem(SearchEngine::categoryFullName("all"), QVariant("all"));
+    foreach (QString cat, m_searchEngine->supportedCategories()) {
+        qDebug("Supported category: %s", qPrintable(cat));
+        comboCategory->addItem(SearchEngine::categoryFullName(cat), QVariant(cat));
+    }
+}
+
+void SearchWidget::fillPluginComboBox()
+{
+    selectPlugin->clear();
+    selectPlugin->addItem(tr("All enabled"), QVariant("enabled"));
+    selectPlugin->addItem(tr("All plugins"), QVariant("all"));
+    foreach (QString name, m_searchEngine->enabledPlugins())
+        selectPlugin->addItem(name, QVariant(name));
+    selectPlugin->addItem(tr("Multiple..."), QVariant("multi"));
+}
+
+QString SearchWidget::selectedCategory() const
+{
+    return comboCategory->itemData(comboCategory->currentIndex()).toString();
+}
+
+QString SearchWidget::selectedPlugin() const
+{
+    return selectPlugin->itemData(selectPlugin->currentIndex()).toString();
+}
+
+SearchWidget::~SearchWidget()
+{
+    qDebug("Search destruction");
+    delete m_searchEngine;
+}
+
+void SearchWidget::tab_changed(int t)
+{
+    //when we switch from a tab that is not empty to another that is empty the download button
+    //doesn't have to be available
+    if (t > -1) {
+        //-1 = no more tab
+        m_currentSearchTab = m_allTabs.at(tabWidget->currentIndex());
+        if (m_currentSearchTab->getCurrentSearchListModel()->rowCount()) {
+            downloadButton->setEnabled(true);
+            goToDescBtn->setEnabled(true);
+            copyURLBtn->setEnabled(true);
+        }
+        else {
+            downloadButton->setEnabled(false);
+            goToDescBtn->setEnabled(false);
+            copyURLBtn->setEnabled(false);
+        }
+        searchStatus->setText(m_currentSearchTab->status());
+    }
+}
+
+void SearchWidget::selectMultipleBox(const QString &text)
+{
+    if (text == tr("Multiple..."))
+        on_pluginsButton_clicked();
+}
+
+void SearchWidget::on_pluginsButton_clicked()
+{
+    PluginSelectDlg *dlg = new PluginSelectDlg(m_searchEngine, this);
+    connect(dlg, SIGNAL(pluginsChanged()), this, SLOT(fillCatCombobox()));
+    connect(dlg, SIGNAL(pluginsChanged()), this, SLOT(fillPluginComboBox()));
+}
+
+void SearchWidget::searchTextEdited(QString)
+{
+    // Enable search button
+    searchButton->setText(tr("Search"));
+    m_isNewQueryString = true;
+}
+
+void SearchWidget::giveFocusToSearchInput()
+{
+    m_searchPattern->setFocus();
+}
+
+// Function called when we click on search button
+void SearchWidget::on_searchButton_clicked()
+{
+    if (Utils::Misc::pythonVersion() < 0) {
+        m_mainWindow->showNotificationBaloon(tr("Search Engine"), tr("Please install Python to use the Search Engine."));
+        return;
+    }
+
+    if (m_searchEngine->isActive()) {
+        m_searchEngine->cancelSearch();
+
+        if (!m_isNewQueryString) {
+            searchButton->setText(tr("Search"));
+            return;
+        }
+    }
+
+    m_isNewQueryString = false;
+
+    const QString pattern = m_searchPattern->text().trimmed();
+    // No search pattern entered
+    if (pattern.isEmpty()) {
+        QMessageBox::critical(0, tr("Empty search pattern"), tr("Please type a search pattern first"));
+        return;
+    }
+
+    // Tab Addition
+    m_currentSearchTab = new SearchTab(this);
+    m_activeSearchTab = m_currentSearchTab;
+    connect(m_currentSearchTab->header(), SIGNAL(sectionResized(int, int, int)), this, SLOT(saveResultsColumnsWidth()));
+    m_allTabs.append(m_currentSearchTab);
+    QString tabName = pattern;
+    tabName.replace(QRegExp("&{1}"), "&&");
+    tabWidget->addTab(m_currentSearchTab, tabName);
+    tabWidget->setCurrentWidget(m_currentSearchTab);
+
+    QStringList plugins;
+    if (selectedPlugin() == "all") plugins = m_searchEngine->allPlugins();
+    else if (selectedPlugin() == "enabled") plugins = m_searchEngine->enabledPlugins();
+    else if (selectedPlugin() == "multi") plugins = m_searchEngine->enabledPlugins();
+    else plugins << selectedPlugin();
+
+    qDebug("Search with category: %s", qPrintable(selectedCategory()));
+
+    // Update SearchEngine widgets
+    m_noSearchResults = true;
+    m_nbSearchResults = 0;
+
+    // Changing the text of the current label
+    m_activeSearchTab->getCurrentLabel()->setText(tr("Results <i>(%1)</i>:", "i.e: Search results").arg(0));
+
+    // Launch search
+    m_searchEngine->startSearch(pattern, selectedCategory(), plugins);
+}
+
+void SearchWidget::saveResultsColumnsWidth()
+{
+    if (m_allTabs.isEmpty()) return;
+
+    QTreeView *treeview = m_allTabs.first()->getCurrentTreeView();
+    QStringList newWidthList;
+    short nbColumns = m_allTabs.first()->getCurrentSearchListModel()->columnCount();
+    for (short i = 0; i < nbColumns; ++i)
+        if (treeview->columnWidth(i) > 0)
+            newWidthList << QString::number(treeview->columnWidth(i));
+    // Don't save the width of the last column (auto column width)
+    newWidthList.removeLast();
+    Preferences::instance()->setSearchColsWidth(newWidthList.join(" "));
+}
+
+void SearchWidget::downloadTorrent(QString url)
+{
+    if (Preferences::instance()->useAdditionDialog())
+        AddNewTorrentDialog::show(url, this);
+    else
+        BitTorrent::Session::instance()->addTorrent(url);
+}
+
+void SearchWidget::searchStarted()
+{
+    // Update SearchEngine widgets
+    m_activeSearchTab->setStatus(tr("Searching..."));
+    searchStatus->setText(m_currentSearchTab->status());
+    searchStatus->repaint();
+    searchButton->setText(tr("Stop"));
+}
+
+// Slot called when search is Finished
+// Search can be finished for 3 reasons :
+// Error | Stopped by user | Finished normally
+void SearchWidget::searchFinished(bool cancelled)
+{
+    if (Preferences::instance()->useProgramNotification() && (m_mainWindow->getCurrentTabWidget() != this))
+        m_mainWindow->showNotificationBaloon(tr("Search Engine"), tr("Search has finished"));
+
+    if (m_activeSearchTab.isNull()) return; // The active tab was closed
+
+    if (cancelled)
+        m_activeSearchTab->setStatus(tr("Search aborted"));
+    else if (m_noSearchResults)
+        m_activeSearchTab->setStatus(tr("Search returned no results"));
+    else
+        m_activeSearchTab->setStatus(tr("Search has finished"));
+
+    searchStatus->setText(m_currentSearchTab->status());
+    m_activeSearchTab = 0;
+    searchButton->setText(tr("Search"));
+}
+
+void SearchWidget::searchFailed()
+{
+    if (Preferences::instance()->useProgramNotification() && (m_mainWindow->getCurrentTabWidget() != this))
+        m_mainWindow->showNotificationBaloon(tr("Search Engine"), tr("Search has failed"));
+
+    if (m_activeSearchTab.isNull()) return; // The active tab was closed
+
+#ifdef Q_OS_WIN
+    m_activeSearchTab->setStatus(tr("Search aborted"));
+#else
+    m_activeSearchTab->setStatus(tr("An error occurred during search..."));
+#endif
+}
+
+void SearchWidget::appendSearchResults(const QList<SearchResult> &results)
+{
+    if (m_activeSearchTab.isNull()) {
+        m_searchEngine->cancelSearch();
+        return;
+    }
+
+    Q_ASSERT(m_activeSearchTab);
+
+    QStandardItemModel *curModel = m_activeSearchTab->getCurrentSearchListModel();
+    Q_ASSERT(curModel);
+
+    foreach (const SearchResult &result, results) {
+        // Add item to search result list
+        int row = curModel->rowCount();
+        curModel->insertRow(row);
+
+        curModel->setData(curModel->index(row, SearchSortModel::DL_LINK), result.fileUrl); // download URL
+        curModel->setData(curModel->index(row, SearchSortModel::NAME), result.fileName); // Name
+        curModel->setData(curModel->index(row, SearchSortModel::SIZE), result.fileSize); // Size
+        curModel->setData(curModel->index(row, SearchSortModel::SEEDS), result.nbSeeders); // Seeders
+        curModel->setData(curModel->index(row, SearchSortModel::LEECHS), result.nbLeechers); // Leechers
+        curModel->setData(curModel->index(row, SearchSortModel::ENGINE_URL), result.siteUrl); // Search site URL
+        curModel->setData(curModel->index(row, SearchSortModel::DESC_LINK), result.descrLink); // Description Link
+    }
+
+    m_noSearchResults = false;
+    m_nbSearchResults += results.size();
+    m_activeSearchTab->getCurrentLabel()->setText(tr("Results <i>(%1)</i>:", "i.e: Search results").arg(m_nbSearchResults));
+
+    // Enable clear & download buttons
+    downloadButton->setEnabled(true);
+    goToDescBtn->setEnabled(true);
+    copyURLBtn->setEnabled(true);
+}
+
+void SearchWidget::closeTab(int index)
+{
+    // Search is run for active tab so if user decided to close it, then stop search
+    if (!m_activeSearchTab.isNull() && index == tabWidget->indexOf(m_activeSearchTab)) {
+        qDebug("Closed active search Tab");
+        if (m_searchEngine->isActive())
+            m_searchEngine->cancelSearch();
+        m_activeSearchTab = 0;
+    }
+
+    delete m_allTabs.takeAt(index);
+
+    if (!m_allTabs.size()) {
+        downloadButton->setEnabled(false);
+        goToDescBtn->setEnabled(false);
+        searchStatus->setText(tr("Stopped"));
+        copyURLBtn->setEnabled(false);
+    }
+}
+
+// Download selected items in search results list
+void SearchWidget::on_downloadButton_clicked()
+{
+    //QModelIndexList selectedIndexes = currentSearchTab->getCurrentTreeView()->selectionModel()->selectedIndexes();
+    QModelIndexList selectedIndexes = m_allTabs.at(tabWidget->currentIndex())->getCurrentTreeView()->selectionModel()->selectedIndexes();
+    foreach (const QModelIndex &index, selectedIndexes) {
+        if (index.column() == SearchSortModel::NAME) {
+            // Get Item url
+            QSortFilterProxyModel *model = m_allTabs.at(tabWidget->currentIndex())->getCurrentSearchListProxy();
+            QString torrentUrl = model->data(model->index(index.row(), URL_COLUMN)).toString();
+            downloadTorrent(torrentUrl);
+            m_allTabs.at(tabWidget->currentIndex())->setRowColor(index.row(), "blue");
+        }
+    }
+}
+
+void SearchWidget::on_goToDescBtn_clicked()
+{
+    QModelIndexList selectedIndexes = m_allTabs.at(tabWidget->currentIndex())->getCurrentTreeView()->selectionModel()->selectedIndexes();
+    foreach (const QModelIndex &index, selectedIndexes) {
+        if (index.column() == SearchSortModel::NAME) {
+            QSortFilterProxyModel *model = m_allTabs.at(tabWidget->currentIndex())->getCurrentSearchListProxy();
+            const QString descUrl = model->data(model->index(index.row(), SearchSortModel::DESC_LINK)).toString();
+            if (!descUrl.isEmpty())
+                QDesktopServices::openUrl(QUrl::fromEncoded(descUrl.toUtf8()));
+        }
+    }
+}
+
+void SearchWidget::on_copyURLBtn_clicked()
+{
+    QStringList urls;
+    QModelIndexList selectedIndexes = m_allTabs.at(tabWidget->currentIndex())->getCurrentTreeView()->selectionModel()->selectedIndexes();
+
+    foreach (const QModelIndex &index, selectedIndexes) {
+        if (index.column() == SearchSortModel::NAME) {
+            QSortFilterProxyModel *model = m_allTabs.at(tabWidget->currentIndex())->getCurrentSearchListProxy();
+            const QString descUrl = model->data(model->index(index.row(), SearchSortModel::DESC_LINK)).toString();
+            if (!descUrl.isEmpty())
+                urls << descUrl.toUtf8();
+        }
+    }
+
+    if (!urls.empty()) {
+        QClipboard *clipboard = QApplication::clipboard();
+        clipboard->setText(urls.join("\n"));
+    }
+}

src/gui/search/searchwidget.h

@@ -0,0 +1,95 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#ifndef SEARCHWIDGET_H
+#define SEARCHWIDGET_H
+
+#include <QList>
+#include <QPointer>
+
+#include "ui_searchwidget.h"
+
+class MainWindow;
+class LineEdit;
+class SearchEngine;
+struct SearchResult;
+class SearchTab;
+
+class SearchWidget: public QWidget, private Ui::SearchWidget
+{
+    Q_OBJECT
+    Q_DISABLE_COPY(SearchWidget)
+
+public:
+    explicit SearchWidget(MainWindow *mainWindow);
+    ~SearchWidget();
+
+    void downloadTorrent(QString url);
+    void giveFocusToSearchInput();
+
+private slots:
+    // Search slots
+    void tab_changed(int); //to prevent the use of the download button when the tab is empty
+    void on_searchButton_clicked();
+    void on_downloadButton_clicked();
+    void on_goToDescBtn_clicked();
+    void on_copyURLBtn_clicked();
+    void on_pluginsButton_clicked();
+
+    void closeTab(int index);
+    void appendSearchResults(const QList<SearchResult> &results);
+    void searchStarted();
+    void searchFinished(bool cancelled);
+    void searchFailed();
+    void selectMultipleBox(const QString &text);
+
+    void saveResultsColumnsWidth();
+    void fillCatCombobox();
+    void fillPluginComboBox();
+    void searchTextEdited(QString);
+
+private:
+    QString selectedCategory() const;
+    QString selectedPlugin() const;
+
+    LineEdit *m_searchPattern;
+    SearchEngine *m_searchEngine;
+    QPointer<SearchTab> m_currentSearchTab; // Selected tab
+    QPointer<SearchTab> m_activeSearchTab; // Tab with running search
+    QList<QPointer<SearchTab> > m_allTabs; // To store all tabs
+    MainWindow *m_mainWindow;
+    bool m_isNewQueryString;
+    bool m_noSearchResults;
+    QByteArray m_searchResultLineTruncated;
+    unsigned long m_nbSearchResults;
+};
+
+#endif // SEARCHWIDGET_H

src/gui/search/searchwidget.ui

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>search_engine</class>
+ <class>SearchWidget</class>
- <widget class="QWidget" name="search_engine">
+ <widget class="QWidget" name="SearchWidget">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -20,10 +20,10 @@
       <widget class="QComboBox" name="comboCategory"/>
      </item>
      <item>
-      <widget class="QComboBox" name="selectEngine"/>
+      <widget class="QComboBox" name="selectPlugin"/>
      </item>
      <item>
-      <widget class="QPushButton" name="search_button">
+      <widget class="QPushButton" name="searchButton">
        <property name="text">
         <string>Search</string>
        </property>
@@ -53,7 +53,7 @@
       </widget>
      </item>
      <item>
-      <widget class="QLabel" name="search_status">
+      <widget class="QLabel" name="searchStatus">
        <property name="minimumSize">
         <size>
          <width>200</width>
@@ -99,7 +99,7 @@
      <item>
       <layout class="QHBoxLayout">
        <item>
-        <widget class="QPushButton" name="download_button">
+        <widget class="QPushButton" name="downloadButton">
          <property name="enabled">
           <bool>false</bool>
          </property>
@@ -142,9 +142,9 @@
         </spacer>
        </item>
        <item>
-        <widget class="QPushButton" name="enginesButton">
+        <widget class="QPushButton" name="pluginsButton">
          <property name="text">
-          <string>Search engines...</string>
+          <string>Search plugins...</string>
          </property>
         </widget>
        </item>

src/searchengine.qrc

@@ -0,0 +1,50 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource>
+  <file>searchengine/nova/fix_encoding.py</file>
+  <file>searchengine/nova/helpers.py</file>
+  <file>searchengine/nova/nova2.py</file>
+  <file>searchengine/nova/novaprinter.py</file>
+  <file>searchengine/nova/socks.py</file>
+  <file>searchengine/nova/engines/btdigg.png</file>
+  <file>searchengine/nova/engines/btdigg.py</file>
+  <file>searchengine/nova/engines/demonoid.png</file>
+  <file>searchengine/nova/engines/demonoid.py</file>
+  <file>searchengine/nova/engines/extratorrent.png</file>
+  <file>searchengine/nova/engines/extratorrent.py</file>
+  <file>searchengine/nova/engines/kickasstorrents.png</file>
+  <file>searchengine/nova/engines/kickasstorrents.py</file>
+  <file>searchengine/nova/engines/legittorrents.png</file>
+  <file>searchengine/nova/engines/legittorrents.py</file>
+  <file>searchengine/nova/engines/mininova.png</file>
+  <file>searchengine/nova/engines/mininova.py</file>
+  <file>searchengine/nova/engines/piratebay.png</file>
+  <file>searchengine/nova/engines/piratebay.py</file>
+  <file>searchengine/nova/engines/torrentreactor.png</file>
+  <file>searchengine/nova/engines/torrentreactor.py</file>
+  <file>searchengine/nova/engines/torrentz.png</file>
+  <file>searchengine/nova/engines/torrentz.py</file>
+  <file>searchengine/nova3/helpers.py</file>
+  <file>searchengine/nova3/nova2.py</file>
+  <file>searchengine/nova3/novaprinter.py</file>
+  <file>searchengine/nova3/sgmllib3.py</file>
+  <file>searchengine/nova3/socks.py</file>
+  <file>searchengine/nova3/engines/btdigg.png</file>
+  <file>searchengine/nova3/engines/btdigg.py</file>
+  <file>searchengine/nova3/engines/demonoid.png</file>
+  <file>searchengine/nova3/engines/demonoid.py</file>
+  <file>searchengine/nova3/engines/extratorrent.png</file>
+  <file>searchengine/nova3/engines/extratorrent.py</file>
+  <file>searchengine/nova3/engines/kickasstorrents.png</file>
+  <file>searchengine/nova3/engines/kickasstorrents.py</file>
+  <file>searchengine/nova3/engines/legittorrents.png</file>
+  <file>searchengine/nova3/engines/legittorrents.py</file>
+  <file>searchengine/nova3/engines/mininova.png</file>
+  <file>searchengine/nova3/engines/mininova.py</file>
+  <file>searchengine/nova3/engines/piratebay.png</file>
+  <file>searchengine/nova3/engines/piratebay.py</file>
+  <file>searchengine/nova3/engines/torrentreactor.png</file>
+  <file>searchengine/nova3/engines/torrentreactor.py</file>
+  <file>searchengine/nova3/engines/torrentz.png</file>
+  <file>searchengine/nova3/engines/torrentz.py</file>
+</qresource>
+</RCC>

src/searchengine/engineselectdlg.cpp

@@ -1,519 +0,0 @@
-/*
- * Bittorrent Client using Qt4 and libtorrent.
- * Copyright (C) 2006  Christophe Dumez
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- *
- * Contact : chris@qbittorrent.org
- */
-
-#include "engineselectdlg.h"
-#include "base/net/downloadmanager.h"
-#include "base/net/downloadhandler.h"
-#include "base/utils/fs.h"
-#include "base/utils/misc.h"
-#include "ico.h"
-#include "searchengine.h"
-#include "pluginsource.h"
-#include "guiiconprovider.h"
-#include "autoexpandabledialog.h"
-#include <QProcess>
-#include <QHeaderView>
-#include <QMenu>
-#include <QMessageBox>
-#include <QFileDialog>
-#include <QDropEvent>
-#include <QTemporaryFile>
-#include <QMimeData>
-#include <QClipboard>
-#ifdef QBT_USES_QT5
-#include <QTableView>
-#endif
-
-enum EngineColumns {ENGINE_NAME, ENGINE_VERSION, ENGINE_URL, ENGINE_STATE, ENGINE_ID};
-
-engineSelectDlg::engineSelectDlg(QWidget *parent, SupportedEngines *supported_engines)
-    : QDialog(parent)
-    , supported_engines(supported_engines)
-    , m_updateUrl(QString("https://raw.github.com/qbittorrent/qBittorrent/master/src/searchengine/") + (Utils::Misc::pythonVersion() >= 3 ? "nova3" : "nova") + "/engines/")
-{
-  setupUi(this);
-  setAttribute(Qt::WA_DeleteOnClose);
-#ifdef QBT_USES_QT5
-  // This hack fixes reordering of first column with Qt5.
-  // https://github.com/qtproject/qtbase/commit/e0fc088c0c8bc61dbcaf5928b24986cd61a22777
-  QTableView unused;
-  unused.setVerticalHeader(pluginsTree->header());
-  pluginsTree->header()->setParent(pluginsTree);
-  unused.setVerticalHeader(new QHeaderView(Qt::Horizontal));
-#endif
-  pluginsTree->setRootIsDecorated(false);
-  pluginsTree->header()->resizeSection(0, 160);
-  pluginsTree->header()->resizeSection(1, 80);
-  pluginsTree->header()->resizeSection(2, 200);
-  pluginsTree->hideColumn(ENGINE_ID);
-  actionUninstall->setIcon(GuiIconProvider::instance()->getIcon("list-remove"));
-  connect(actionEnable, SIGNAL(toggled(bool)), this, SLOT(enableSelection(bool)));
-  connect(pluginsTree, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(displayContextMenu(const QPoint&)));
-  loadSupportedSearchEngines();
-  connect(supported_engines, SIGNAL(newSupportedEngine(QString)), this, SLOT(addNewEngine(QString)));
-  connect(pluginsTree, SIGNAL(itemDoubleClicked(QTreeWidgetItem*, int)), this, SLOT(toggleEngineState(QTreeWidgetItem*, int)));
-  show();
-}
-
-engineSelectDlg::~engineSelectDlg() {
-  qDebug("Destroying engineSelectDlg");
-  emit enginesChanged();
-  qDebug("Engine plugins dialog destroyed");
-}
-
-void engineSelectDlg::dropEvent(QDropEvent *event) {
-  event->acceptProposedAction();
-  QStringList files;
-  if (event->mimeData()->hasUrls()) {
-    const QList<QUrl> urls = event->mimeData()->urls();
-    foreach (const QUrl &url, urls) {
-      if (!url.isEmpty()) {
-        if (url.scheme().compare("file", Qt::CaseInsensitive) == 0)
-          files << url.toLocalFile();
-        else
-          files << url.toString();
-      }
-    }
-  }
-  else {
-    files = event->mimeData()->text().split(QString::fromUtf8("\n"));
-  }
-  foreach (QString file, files) {
-    qDebug("dropped %s", qPrintable(file));
-    if (Utils::Misc::isUrl(file)) {
-      setCursor(QCursor(Qt::WaitCursor));
-      downloadFromUrl(file);
-      continue;
-    }
-    if (file.endsWith(".py", Qt::CaseInsensitive)) {
-      if (file.startsWith("file:", Qt::CaseInsensitive))
-        file = QUrl(file).toLocalFile();
-      QString plugin_name = Utils::Fs::fileName(file);
-      plugin_name.chop(3); // Remove extension
-      installPlugin(file, plugin_name);
-    }
-  }
-}
-
-// Decode if we accept drag 'n drop or not
-void engineSelectDlg::dragEnterEvent(QDragEnterEvent *event) {
-  QString mime;
-  foreach (mime, event->mimeData()->formats()) {
-    qDebug("mimeData: %s", qPrintable(mime));
-  }
-  if (event->mimeData()->hasFormat(QString::fromUtf8("text/plain")) || event->mimeData()->hasFormat(QString::fromUtf8("text/uri-list"))) {
-    event->acceptProposedAction();
-  }
-}
-
-void engineSelectDlg::on_updateButton_clicked() {
-  // Download version file from update server on sourceforge
-  setCursor(QCursor(Qt::WaitCursor));
-  downloadFromUrl(m_updateUrl + "versions.txt");
-}
-
-void engineSelectDlg::toggleEngineState(QTreeWidgetItem *item, int) {
-  SupportedEngine *engine = supported_engines->value(item->text(ENGINE_ID));
-  engine->setEnabled(!engine->isEnabled());
-  if (engine->isEnabled()) {
-    item->setText(ENGINE_STATE, tr("Yes"));
-    setRowColor(pluginsTree->indexOfTopLevelItem(item), "green");
-  } else {
-    item->setText(ENGINE_STATE, tr("No"));
-    setRowColor(pluginsTree->indexOfTopLevelItem(item), "red");
-  }
-}
-
-void engineSelectDlg::displayContextMenu(const QPoint&) {
-  QMenu myContextMenu(this);
-  // Enable/disable pause/start action given the DL state
-  QList<QTreeWidgetItem *> items = pluginsTree->selectedItems();
-  if (items.isEmpty()) return;
-  QString first_id = items.first()->text(ENGINE_ID);
-  actionEnable->setChecked(supported_engines->value(first_id)->isEnabled());
-  myContextMenu.addAction(actionEnable);
-  myContextMenu.addSeparator();
-  myContextMenu.addAction(actionUninstall);
-  myContextMenu.exec(QCursor::pos());
-}
-
-void engineSelectDlg::on_closeButton_clicked() {
-  close();
-}
-
-void engineSelectDlg::on_actionUninstall_triggered() {
-  QList<QTreeWidgetItem *> items = pluginsTree->selectedItems();
-  QTreeWidgetItem *item;
-  bool error = false;
-  foreach (item, items) {
-    int index = pluginsTree->indexOfTopLevelItem(item);
-    Q_ASSERT(index != -1);
-    QString id = item->text(ENGINE_ID);
-    if (QFile::exists(":/nova/engines/"+id+".py")) {
-      error = true;
-      // Disable it instead
-      supported_engines->value(id)->setEnabled(false);
-      item->setText(ENGINE_STATE, tr("No"));
-      setRowColor(index, "red");
-      continue;
-    }else {
-      // Proceed with uninstall
-      // remove it from hard drive
-      QDir enginesFolder(Utils::Fs::searchEngineLocation() + "/engines");
-      QStringList filters;
-      filters << id+".*";
-      QStringList files = enginesFolder.entryList(filters, QDir::Files, QDir::Unsorted);
-      QString file;
-      foreach (file, files) {
-        enginesFolder.remove(file);
-      }
-      // Remove it from supported engines
-      delete supported_engines->take(id);
-      delete item;
-    }
-  }
-  if (error)
-    QMessageBox::warning(0, tr("Uninstall warning"), tr("Some plugins could not be uninstalled because they are included in qBittorrent. Only the ones you added yourself can be uninstalled.\nThose plugins were disabled."));
-  else
-    QMessageBox::information(0, tr("Uninstall success"), tr("All selected plugins were uninstalled successfully"));
-}
-
-void engineSelectDlg::enableSelection(bool enable) {
-  QList<QTreeWidgetItem *> items = pluginsTree->selectedItems();
-  QTreeWidgetItem *item;
-  foreach (item, items) {
-    int index = pluginsTree->indexOfTopLevelItem(item);
-    Q_ASSERT(index != -1);
-    QString id = item->text(ENGINE_ID);
-    supported_engines->value(id)->setEnabled(enable);
-    if (enable) {
-      item->setText(ENGINE_STATE, tr("Yes"));
-      setRowColor(index, "green");
-    } else {
-      item->setText(ENGINE_STATE, tr("No"));
-      setRowColor(index, "red");
-    }
-  }
-}
-
-// Set the color of a row in data model
-void engineSelectDlg::setRowColor(int row, QString color) {
-  QTreeWidgetItem *item = pluginsTree->topLevelItem(row);
-  for (int i=0; i<pluginsTree->columnCount(); ++i) {
-    item->setData(i, Qt::ForegroundRole, QVariant(QColor(color)));
-  }
-}
-
-QList<QTreeWidgetItem*> engineSelectDlg::findItemsWithUrl(QString url) {
-  QList<QTreeWidgetItem*> res;
-  for (int i=0; i<pluginsTree->topLevelItemCount(); ++i) {
-    QTreeWidgetItem *item = pluginsTree->topLevelItem(i);
-    if (url.startsWith(item->text(ENGINE_URL), Qt::CaseInsensitive))
-      res << item;
-  }
-  return res;
-}
-
-QTreeWidgetItem* engineSelectDlg::findItemWithID(QString id) {
-  QList<QTreeWidgetItem*> res;
-  for (int i=0; i<pluginsTree->topLevelItemCount(); ++i) {
-    QTreeWidgetItem *item = pluginsTree->topLevelItem(i);
-    if (id == item->text(ENGINE_ID))
-      return item;
-  }
-  return 0;
-}
-
-bool engineSelectDlg::isUpdateNeeded(QString plugin_name, qreal new_version) const {
-  qreal old_version = SearchEngine::getPluginVersion(Utils::Fs::searchEngineLocation() + "/engines/" + plugin_name + ".py");
-  qDebug("IsUpdate needed? tobeinstalled: %.2f, alreadyinstalled: %.2f", new_version, old_version);
-  return (new_version > old_version);
-}
-
-void engineSelectDlg::installPlugin(QString path, QString plugin_name) {
-  qDebug("Asked to install plugin at %s", qPrintable(path));
-  qreal new_version = SearchEngine::getPluginVersion(path);
-  if (new_version == 0.0) {
-    QMessageBox::warning(this, tr("Invalid plugin"), tr("The search engine plugin is invalid, please contact the author."));
-    return;
-  }
-  qDebug("Version to be installed: %.2f", new_version);
-  if (!isUpdateNeeded(plugin_name, new_version)) {
-    qDebug("Apparently update is not needed, we have a more recent version");
-    QMessageBox::information(this, tr("Search plugin install"), tr("A more recent version of '%1' search engine plugin is already installed.", "%1 is the name of the search engine").arg(plugin_name));
-    return;
-  }
-  // Process with install
-  QString dest_path = Utils::Fs::searchEngineLocation() + "/engines/" + plugin_name + ".py";
-  bool update = false;
-  if (QFile::exists(dest_path)) {
-    // Backup in case install fails
-    QFile::copy(dest_path, dest_path+".bak");
-    Utils::Fs::forceRemove(dest_path);
-    Utils::Fs::forceRemove(dest_path+"c");
-    update = true;
-  }
-  // Copy the plugin
-  QFile::copy(path, dest_path);
-  // Update supported plugins
-  supported_engines->update();
-  // Check if this was correctly installed
-  if (!supported_engines->contains(plugin_name)) {
-    if (update) {
-      // Remove broken file
-      Utils::Fs::forceRemove(dest_path);
-      // restore backup
-      QFile::copy(dest_path+".bak", dest_path);
-      Utils::Fs::forceRemove(dest_path+".bak");
-      QMessageBox::warning(this, tr("Search plugin install"), tr("'%1' search engine plugin could not be updated, keeping old version.", "%1 is the name of the search engine").arg(plugin_name));
-      return;
-    } else {
-      // Remove broken file
-      Utils::Fs::forceRemove(dest_path);
-      QMessageBox::warning(this, tr("Search plugin install"), tr("'%1' search engine plugin could not be installed.", "%1 is the name of the search engine").arg(plugin_name));
-      return;
-    }
-  }
-  // Install was successful, remove backup and update plugin version
-  if (update) {
-    Utils::Fs::forceRemove(dest_path+".bak");
-    qreal version = SearchEngine::getPluginVersion(Utils::Fs::searchEngineLocation() + "/engines/" + plugin_name + ".py");
-    QTreeWidgetItem *item = findItemWithID(plugin_name);
-    item->setText(ENGINE_VERSION, QString::number(version, 'f', 2));
-    QMessageBox::information(this, tr("Search plugin install"), tr("'%1' search engine plugin was successfully updated.", "%1 is the name of the search engine").arg(plugin_name));
-    return;
-  } else {
-    QMessageBox::information(this, tr("Search plugin install"), tr("'%1' search engine plugin was successfully installed.", "%1 is the name of the search engine").arg(plugin_name));
-    return;
-  }
-}
-
-void engineSelectDlg::loadSupportedSearchEngines() {
-  // Some clean up first
-  pluginsTree->clear();
-  foreach (QString name, supported_engines->keys()) {
-    addNewEngine(name);
-  }
-}
-
-void engineSelectDlg::addNewEngine(QString engine_name) {
-  QTreeWidgetItem *item = new QTreeWidgetItem(pluginsTree);
-  SupportedEngine *engine = supported_engines->value(engine_name);
-  item->setText(ENGINE_NAME, engine->getFullName());
-  item->setText(ENGINE_URL, engine->getUrl());
-  item->setText(ENGINE_ID, engine->getName());
-  if (engine->isEnabled()) {
-    item->setText(ENGINE_STATE, tr("Yes"));
-    setRowColor(pluginsTree->indexOfTopLevelItem(item), "green");
-  } else {
-    item->setText(ENGINE_STATE, tr("No"));
-    setRowColor(pluginsTree->indexOfTopLevelItem(item), "red");
-  }
-  // Handle icon
-  QString iconPath = Utils::Fs::searchEngineLocation() + "/engines/" + engine->getName() + ".png";
-  if (QFile::exists(iconPath)) {
-    // Good, we already have the icon
-    item->setData(ENGINE_NAME, Qt::DecorationRole, QVariant(QIcon(iconPath)));
-  } else {
-    iconPath = Utils::Fs::searchEngineLocation() + "/engines/" + engine->getName() + ".ico";
-    if (QFile::exists(iconPath)) { // ICO support
-      item->setData(ENGINE_NAME, Qt::DecorationRole, QVariant(QIcon(iconPath)));
-    } else {
-      // Icon is missing, we must download it
-      downloadFromUrl(engine->getUrl() + "/favicon.ico");
-    }
-  }
-  // Load version
-  qreal version = SearchEngine::getPluginVersion(Utils::Fs::searchEngineLocation() + "/engines/" + engine->getName() + ".py");
-  item->setText(ENGINE_VERSION, QString::number(version, 'f', 2));
-}
-
-void engineSelectDlg::on_installButton_clicked() {
-  pluginSourceDlg *dlg = new pluginSourceDlg(this);
-  connect(dlg, SIGNAL(askForLocalFile()), this, SLOT(askForLocalPlugin()));
-  connect(dlg, SIGNAL(askForUrl()), this, SLOT(askForPluginUrl()));
-}
-
-void engineSelectDlg::askForPluginUrl() {
-  bool ok(false);
-  QString clipTxt = qApp->clipboard()->text();
-  QString defaultUrl = "http://";
-  if ((clipTxt.startsWith("http://", Qt::CaseInsensitive)
-    || clipTxt.startsWith("https://", Qt::CaseInsensitive)
-    || clipTxt.startsWith("ftp://", Qt::CaseInsensitive))
-    && clipTxt.endsWith(".py"))
-    defaultUrl = clipTxt;
-  QString url = AutoExpandableDialog::getText(this, tr("New search engine plugin URL"),
-                                      tr("URL:"), QLineEdit::Normal,
-                                      defaultUrl, &ok);
-
-  while(true) {
-    if (!ok || url.isEmpty())
-      return;
-    if (!url.endsWith(".py")) {
-      QMessageBox::warning(this, tr("Invalid link"), tr("The link doesn't seem to point to a search engine plugin."));
-      url = AutoExpandableDialog::getText(this, tr("New search engine plugin URL"),
-                                            tr("URL:"), QLineEdit::Normal,
-                                            url, &ok);
-    }
-    else
-      break;
-  }
-
-  setCursor(QCursor(Qt::WaitCursor));
-  downloadFromUrl(url);
-}
-
-void engineSelectDlg::askForLocalPlugin() {
-  QStringList pathsList = QFileDialog::getOpenFileNames(0,
-                                                        tr("Select search plugins"), QDir::homePath(),
-                                                        tr("qBittorrent search plugin")+QString::fromUtf8(" (*.py)"));
-  foreach (QString path, pathsList) {
-    if (path.endsWith(".py", Qt::CaseInsensitive)) {
-      QString plugin_name = Utils::Fs::fileName(path);
-      plugin_name.chop(3); // Remove extension
-      installPlugin(path, plugin_name);
-    }
-  }
-}
-
-bool engineSelectDlg::parseVersionsFile(QString versions_file) {
-  qDebug("Checking if update is needed");
-  bool file_correct = false;
-  QFile versions(versions_file);
-  if (!versions.open(QIODevice::ReadOnly | QIODevice::Text)) {
-    qDebug("* Error: Could not read versions.txt file");
-    return false;
-  }
-  bool updated = false;
-  while(!versions.atEnd()) {
-    QByteArray line = versions.readLine();
-    line.replace("\n", "");
-    line = line.trimmed();
-    if (line.isEmpty()) continue;
-    if (line.startsWith("#")) continue;
-    QList<QByteArray> list = line.split(' ');
-    if (list.size() != 2) continue;
-    QString plugin_name = QString(list.first());
-    if (!plugin_name.endsWith(":")) continue;
-    plugin_name.chop(1); // remove trailing ':'
-    bool ok;
-    qreal version = list.last().toFloat(&ok);
-    qDebug("read line %s: %.2f", qPrintable(plugin_name), version);
-    if (!ok) continue;
-    file_correct = true;
-    if (isUpdateNeeded(plugin_name, version)) {
-      qDebug("Plugin: %s is outdated", qPrintable(plugin_name));
-      // Downloading update
-      setCursor(QCursor(Qt::WaitCursor));
-      downloadFromUrl(m_updateUrl + plugin_name + ".py");
-      //downloadFromUrl(m_updateUrl + plugin_name + ".png");
-      updated = true;
-    }else {
-      qDebug("Plugin: %s is up to date", qPrintable(plugin_name));
-    }
-  }
-  // Close file
-  versions.close();
-  // Clean up tmp file
-  Utils::Fs::forceRemove(versions_file);
-  if (file_correct && !updated) {
-    QMessageBox::information(this, tr("Search plugin update"), tr("All your plugins are already up to date."));
-  }
-  return file_correct;
-}
-
-void engineSelectDlg::downloadFromUrl(const QString &url)
-{
-    Net::DownloadHandler *handler = Net::DownloadManager::instance()->downloadUrl(url, true);
-    connect(handler, SIGNAL(downloadFinished(QString, QString)), this, SLOT(processDownloadedFile(QString, QString)));
-    connect(handler, SIGNAL(downloadFailed(QString, QString)), this, SLOT(handleDownloadFailure(QString, QString)));
-}
-
-void engineSelectDlg::processDownloadedFile(const QString &url, QString filePath) {
-  filePath = Utils::Fs::fromNativePath(filePath);
-  setCursor(QCursor(Qt::ArrowCursor));
-  qDebug("engineSelectDlg received %s", qPrintable(url));
-  if (url.endsWith("favicon.ico", Qt::CaseInsensitive)) {
-    // Icon downloaded
-    QImage fileIcon;
-    if (fileIcon.load(filePath)) {
-      QList<QTreeWidgetItem*> items = findItemsWithUrl(url);
-      QTreeWidgetItem *item;
-      foreach (item, items) {
-        QString id = item->text(ENGINE_ID);
-        QString iconPath;
-        QFile icon(filePath);
-        icon.open(QIODevice::ReadOnly);
-        if (ICOHandler::canRead(&icon))
-          iconPath = Utils::Fs::searchEngineLocation() + "/engines/" + id + ".ico";
-        else
-          iconPath = Utils::Fs::searchEngineLocation() + "/engines/" + id + ".png";
-        QFile::copy(filePath, iconPath);
-        item->setData(ENGINE_NAME, Qt::DecorationRole, QVariant(QIcon(iconPath)));
-      }
-    }
-    // Delete tmp file
-    Utils::Fs::forceRemove(filePath);
-    return;
-  }
-  if (url.endsWith("versions.txt")) {
-    if (!parseVersionsFile(filePath)) {
-      QMessageBox::warning(this, tr("Search plugin update"), tr("Sorry, update server is temporarily unavailable."));
-    }
-    Utils::Fs::forceRemove(filePath);
-    return;
-  }
-  if (url.endsWith(".py", Qt::CaseInsensitive)) {
-    QString plugin_name = Utils::Fs::fileName(url);
-    plugin_name.chop(3); // Remove extension
-    installPlugin(filePath, plugin_name);
-    Utils::Fs::forceRemove(filePath);
-    return;
-  }
-}
-
-void engineSelectDlg::handleDownloadFailure(const QString &url, const QString &reason) {
-  setCursor(QCursor(Qt::ArrowCursor));
-  if (url.endsWith("favicon.ico", Qt::CaseInsensitive)) {
-    qDebug("Could not download favicon: %s, reason: %s", qPrintable(url), qPrintable(reason));
-    return;
-  }
-  if (url.endsWith("versions.txt")) {
-    QMessageBox::warning(this, tr("Search plugin update"), tr("Sorry, update server is temporarily unavailable."));
-    return;
-  }
-  if (url.endsWith(".py", Qt::CaseInsensitive)) {
-    // a plugin update download has been failed
-    QString plugin_name = url.split('/').last();
-    plugin_name.replace(".py", "", Qt::CaseInsensitive);
-    QMessageBox::warning(this, tr("Search plugin update"), tr("Sorry, '%1' search plugin installation failed.", "%1 is the name of the search engine").arg(plugin_name));
-  }
-}

src/searchengine/nova/nova2dl.py

@@ -1,61 +0,0 @@
-#VERSION: 1.20
-
-# Author:
-#  Christophe DUMEZ (chris@qbittorrent.org)
-
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-#
-#    * Redistributions of source code must retain the above copyright notice,
-#      this list of conditions and the following disclaimer.
-#    * Redistributions in binary form must reproduce the above copyright
-#      notice, this list of conditions and the following disclaimer in the
-#      documentation and/or other materials provided with the distribution.
-#    * Neither the name of the author nor the names of its contributors may be
-#      used to endorse or promote products derived from this software without
-#      specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-# POSSIBILITY OF SUCH DAMAGE.
-
-import sys
-import os
-import glob
-from helpers import download_file
-
-supported_engines = dict()
-
-engines = glob.glob(os.path.join(os.path.dirname(__file__), 'engines','*.py'))
-for engine in engines:
-    e = engine.split(os.sep)[-1][:-3]
-    if len(e.strip()) == 0: continue
-    if e.startswith('_'): continue
-    try:
-        exec("from engines.%s import %s"%(e,e))
-        exec("engine_url = %s.url"%e)
-        supported_engines[engine_url] = e
-    except:
-        pass
-
-if __name__ == '__main__':
-    if len(sys.argv) < 3:
-        raise SystemExit('./nova2dl.py engine_url download_parameter')
-    engine_url = sys.argv[1].strip()
-    download_param = sys.argv[2].strip()
-    if engine_url not in list(supported_engines.keys()):
-        raise SystemExit('./nova2dl.py: this engine_url was not recognized')
-    exec("engine = %s()"%supported_engines[engine_url])
-    if hasattr(engine, 'download_torrent'):
-        engine.download_torrent(download_param)
-    else:
-        print(download_file(download_param))
-    sys.exit(0)

src/searchengine/nova3/nova2dl.py

@@ -1,61 +0,0 @@
-#VERSION: 1.20
-
-# Author:
-#  Christophe DUMEZ (chris@qbittorrent.org)
-
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-#
-#    * Redistributions of source code must retain the above copyright notice,
-#      this list of conditions and the following disclaimer.
-#    * Redistributions in binary form must reproduce the above copyright
-#      notice, this list of conditions and the following disclaimer in the
-#      documentation and/or other materials provided with the distribution.
-#    * Neither the name of the author nor the names of its contributors may be
-#      used to endorse or promote products derived from this software without
-#      specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-# POSSIBILITY OF SUCH DAMAGE.
-
-import sys
-import os
-import glob
-from helpers import download_file
-
-supported_engines = dict()
-
-engines = glob.glob(os.path.join(os.path.dirname(__file__), 'engines','*.py'))
-for engine in engines:
-    e = engine.split(os.sep)[-1][:-3]
-    if len(e.strip()) == 0: continue
-    if e.startswith('_'): continue
-    try:
-        exec("from engines.%s import %s"%(e,e))
-        exec("engine_url = %s.url"%e)
-        supported_engines[engine_url] = e
-    except:
-        pass
-
-if __name__ == '__main__':
-    if len(sys.argv) < 3:
-        raise SystemExit('./nova2dl.py engine_url download_parameter')
-    engine_url = sys.argv[1].strip()
-    download_param = sys.argv[2].strip()
-    if engine_url not in list(supported_engines.keys()):
-        raise SystemExit('./nova2dl.py: this engine_url was not recognized')
-    exec("engine = %s()"%supported_engines[engine_url])
-    if hasattr(engine, 'download_torrent'):
-        engine.download_torrent(download_param)
-    else:
-        print(download_file(download_param))
-    sys.exit(0)

src/searchengine/search.qrc

@@ -1,52 +0,0 @@
-<!DOCTYPE RCC><RCC version="1.0">
-<qresource>
-  <file>nova/fix_encoding.py</file>
-  <file>nova/helpers.py</file>
-  <file>nova/nova2.py</file>
-  <file>nova/nova2dl.py</file>
-  <file>nova/novaprinter.py</file>
-  <file>nova/socks.py</file>
-  <file>nova/engines/btdigg.png</file>
-  <file>nova/engines/btdigg.py</file>
-  <file>nova/engines/demonoid.png</file>
-  <file>nova/engines/demonoid.py</file>
-  <file>nova/engines/extratorrent.png</file>
-  <file>nova/engines/extratorrent.py</file>
-  <file>nova/engines/kickasstorrents.png</file>
-  <file>nova/engines/kickasstorrents.py</file>
-  <file>nova/engines/legittorrents.png</file>
-  <file>nova/engines/legittorrents.py</file>
-  <file>nova/engines/mininova.png</file>
-  <file>nova/engines/mininova.py</file>
-  <file>nova/engines/piratebay.png</file>
-  <file>nova/engines/piratebay.py</file>
-  <file>nova/engines/torrentreactor.png</file>
-  <file>nova/engines/torrentreactor.py</file>
-  <file>nova/engines/torrentz.png</file>
-  <file>nova/engines/torrentz.py</file>
-  <file>nova3/helpers.py</file>
-  <file>nova3/nova2.py</file>
-  <file>nova3/nova2dl.py</file>
-  <file>nova3/novaprinter.py</file>
-  <file>nova3/sgmllib3.py</file>
-  <file>nova3/socks.py</file>
-  <file>nova3/engines/btdigg.png</file>
-  <file>nova3/engines/btdigg.py</file>
-  <file>nova3/engines/demonoid.png</file>
-  <file>nova3/engines/demonoid.py</file>
-  <file>nova3/engines/extratorrent.png</file>
-  <file>nova3/engines/extratorrent.py</file>
-  <file>nova3/engines/kickasstorrents.png</file>
-  <file>nova3/engines/kickasstorrents.py</file>
-  <file>nova3/engines/legittorrents.png</file>
-  <file>nova3/engines/legittorrents.py</file>
-  <file>nova3/engines/mininova.png</file>
-  <file>nova3/engines/mininova.py</file>
-  <file>nova3/engines/piratebay.png</file>
-  <file>nova3/engines/piratebay.py</file>
-  <file>nova3/engines/torrentreactor.png</file>
-  <file>nova3/engines/torrentreactor.py</file>
-  <file>nova3/engines/torrentz.png</file>
-  <file>nova3/engines/torrentz.py</file>
-</qresource>
-</RCC>

src/searchengine/searchengine.cpp

@@ -1,612 +0,0 @@
-/*
- * Bittorrent Client using Qt4 and libtorrent.
- * Copyright (C) 2006  Christophe Dumez
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- *
- * Contact : chris@qbittorrent.org
- */
-
-#include <QStandardItemModel>
-#include <QHeaderView>
-#include <QMessageBox>
-#include <QTemporaryFile>
-#include <QSystemTrayIcon>
-#include <iostream>
-#include <QTimer>
-#include <QDir>
-#include <QMenu>
-#include <QClipboard>
-#include <QMimeData>
-#include <QSortFilterProxyModel>
-#include <QFileDialog>
-#include <QDesktopServices>
-#include <QClipboard>
-
-#ifdef Q_OS_WIN
-#include <stdlib.h>
-#endif
-
-#include "searchengine.h"
-#include "base/bittorrent/session.h"
-#include "base/utils/fs.h"
-#include "base/utils/misc.h"
-#include "base/preferences.h"
-#include "searchlistdelegate.h"
-#include "mainwindow.h"
-#include "addnewtorrentdialog.h"
-#include "guiiconprovider.h"
-#include "lineedit.h"
-
-#define SEARCHHISTORY_MAXSIZE 50
-
-/*SEARCH ENGINE START*/
-SearchEngine::SearchEngine(MainWindow* parent)
-    : QWidget(parent)
-    , search_pattern(new LineEdit(this))
-    , mp_mainWindow(parent)
-{
-    setupUi(this);
-    searchBarLayout->insertWidget(0, search_pattern);
-    connect(search_pattern, SIGNAL(returnPressed()), search_button, SLOT(click()));
-    // Icons
-    search_button->setIcon(GuiIconProvider::instance()->getIcon("edit-find"));
-    download_button->setIcon(GuiIconProvider::instance()->getIcon("download"));
-    goToDescBtn->setIcon(GuiIconProvider::instance()->getIcon("application-x-mswinurl"));
-    enginesButton->setIcon(GuiIconProvider::instance()->getIcon("preferences-system-network"));
-    copyURLBtn->setIcon(GuiIconProvider::instance()->getIcon("edit-copy"));
-    tabWidget->setTabsClosable(true);
-    connect(tabWidget, SIGNAL(tabCloseRequested(int)), this, SLOT(closeTab(int)));
-    // Boolean initialization
-    search_stopped = false;
-    // Creating Search Process
-    searchProcess = new QProcess(this);
-    searchProcess->setEnvironment(QProcess::systemEnvironment());
-    connect(searchProcess, SIGNAL(started()), this, SLOT(searchStarted()));
-    connect(searchProcess, SIGNAL(readyReadStandardOutput()), this, SLOT(readSearchOutput()));
-    connect(searchProcess, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(searchFinished(int,QProcess::ExitStatus)));
-    connect(tabWidget, SIGNAL(currentChanged(int)), this, SLOT(tab_changed(int)));
-    searchTimeout = new QTimer(this);
-    searchTimeout->setSingleShot(true);
-    connect(searchTimeout, SIGNAL(timeout()), this, SLOT(on_search_button_clicked()));
-    // Update nova.py search plugin if necessary
-    updateNova();
-    supported_engines = new SupportedEngines();
-    // Fill in category combobox
-    fillCatCombobox();
-    fillEngineComboBox();
-
-    connect(search_pattern, SIGNAL(textEdited(QString)), this, SLOT(searchTextEdited(QString)));
-    connect(selectEngine, SIGNAL(currentIndexChanged(const QString &)), this, SLOT(selectMultipleBox(const QString &)));
-}
-
-void SearchEngine::fillCatCombobox()
-{
-    comboCategory->clear();
-    comboCategory->addItem(full_cat_names["all"], QVariant("all"));
-    QStringList supported_cat = supported_engines->supportedCategories();
-    foreach (QString cat, supported_cat) {
-        qDebug("Supported category: %s", qPrintable(cat));
-        comboCategory->addItem(full_cat_names[cat], QVariant(cat));
-    }
-}
-
-void SearchEngine::fillEngineComboBox()
-{
-    selectEngine->clear();
-    selectEngine->addItem(tr("All enabled"), QVariant("enabled"));
-    selectEngine->addItem(tr("All engines"), QVariant("all"));
-    foreach (QString engi, supported_engines->enginesEnabled())
-        selectEngine->addItem(engi, QVariant(engi));
-    selectEngine->addItem(tr("Multiple..."), QVariant("multi"));
-}
-
-QString SearchEngine::selectedCategory() const
-{
-    return comboCategory->itemData(comboCategory->currentIndex()).toString();
-}
-
-QString SearchEngine::selectedEngine() const
-{
-    return selectEngine->itemData(selectEngine->currentIndex()).toString();
-}
-
-SearchEngine::~SearchEngine()
-{
-    qDebug("Search destruction");
-    searchProcess->kill();
-    searchProcess->waitForFinished();
-    foreach (QProcess *downloader, downloaders) {
-        // Make sure we disconnect the SIGNAL/SLOT first
-        // To avoid qreal free
-        downloader->disconnect();
-        downloader->kill();
-        downloader->waitForFinished();
-        delete downloader;
-    }
-    delete search_pattern;
-    delete searchTimeout;
-    delete searchProcess;
-    delete supported_engines;
-}
-
-void SearchEngine::tab_changed(int t)
-{
-    //when we switch from a tab that is not empty to another that is empty the download button
-    //doesn't have to be available
-    if (t > -1) {
-        //-1 = no more tab
-        currentSearchTab = all_tab.at(tabWidget->currentIndex());
-        if (currentSearchTab->getCurrentSearchListModel()->rowCount()) {
-            download_button->setEnabled(true);
-            goToDescBtn->setEnabled(true);
-            copyURLBtn->setEnabled(true);
-        }
-        else {
-            download_button->setEnabled(false);
-            goToDescBtn->setEnabled(false);
-            copyURLBtn->setEnabled(false);
-        }
-        search_status->setText(currentSearchTab->status);
-    }
-}
-
-void SearchEngine::selectMultipleBox(const QString &text)
-{
-    if (text == tr("Multiple...")) on_enginesButton_clicked();
-}
-
-void SearchEngine::on_enginesButton_clicked()
-{
-    engineSelectDlg *dlg = new engineSelectDlg(this, supported_engines);
-    connect(dlg, SIGNAL(enginesChanged()), this, SLOT(fillCatCombobox()));
-    connect(dlg, SIGNAL(enginesChanged()), this, SLOT(fillEngineComboBox()));
-}
-
-void SearchEngine::searchTextEdited(QString)
-{
-    // Enable search button
-    search_button->setText(tr("Search"));
-    newQueryString = true;
-}
-
-void SearchEngine::giveFocusToSearchInput()
-{
-    search_pattern->setFocus();
-}
-
-// Function called when we click on search button
-void SearchEngine::on_search_button_clicked()
-{
-    if (Utils::Misc::pythonVersion() < 0) {
-        mp_mainWindow->showNotificationBaloon(tr("Search Engine"), tr("Please install Python to use the Search Engine."));
-        return;
-    }
-
-    if (searchProcess->state() != QProcess::NotRunning) {
-#ifdef Q_OS_WIN
-        searchProcess->kill();
-#else
-        searchProcess->terminate();
-#endif
-        search_stopped = true;
-        if (searchTimeout->isActive())
-            searchTimeout->stop();
-
-        searchProcess->waitForFinished(1000);
-
-        if (!newQueryString) {
-            search_button->setText(tr("Search"));
-            return;
-        }
-    }
-
-    newQueryString = false;
-
-    // Reload environment variables (proxy)
-    searchProcess->setEnvironment(QProcess::systemEnvironment());
-
-    const QString pattern = search_pattern->text().trimmed();
-    // No search pattern entered
-    if (pattern.isEmpty()) {
-        QMessageBox::critical(0, tr("Empty search pattern"), tr("Please type a search pattern first"));
-        return;
-    }
-    // Tab Addition
-    currentSearchTab = new SearchTab(this);
-    activeSearchTab = currentSearchTab;
-    connect(currentSearchTab->header(), SIGNAL(sectionResized(int, int, int)), this, SLOT(saveResultsColumnsWidth()));
-    all_tab.append(currentSearchTab);
-    QString tabName = pattern;
-    tabName.replace(QRegExp("&{1}"), "&&");
-    tabWidget->addTab(currentSearchTab, tabName);
-    tabWidget->setCurrentWidget(currentSearchTab);
-
-    // Getting checked search engines
-    QStringList params;
-    search_stopped = false;
-    params << Utils::Fs::toNativePath(Utils::Fs::searchEngineLocation() + "/nova2.py");
-    if (selectedEngine() == "all") params << supported_engines->enginesAll().join(",");
-    else if (selectedEngine() == "enabled") params << supported_engines->enginesEnabled().join(",");
-    else if (selectedEngine() == "multi") params << supported_engines->enginesEnabled().join(",");
-    else params << selectedEngine();
-    qDebug("Search with category: %s", qPrintable(selectedCategory()));
-    params << selectedCategory();
-    params << pattern.split(" ");
-    // Update SearchEngine widgets
-    no_search_results = true;
-    nb_search_results = 0;
-    search_result_line_truncated.clear();
-    // Changing the text of the current label
-    activeSearchTab->getCurrentLabel()->setText(tr("Results <i>(%1)</i>:", "i.e: Search results").arg(0));
-    // Launch search
-    searchProcess->start(Utils::Misc::pythonExecutable(), params, QIODevice::ReadOnly);
-    searchTimeout->start(180000); // 3min
-}
-
-void SearchEngine::saveResultsColumnsWidth()
-{
-    if (all_tab.isEmpty())
-        return;
-    QTreeView* treeview = all_tab.first()->getCurrentTreeView();
-    Preferences* const pref = Preferences::instance();
-    QStringList new_width_list;
-    short nbColumns = all_tab.first()->getCurrentSearchListModel()->columnCount();
-    for (short i = 0; i < nbColumns; ++i)
-        if (treeview->columnWidth(i) > 0)
-            new_width_list << QString::number(treeview->columnWidth(i));
-    // Don't save the width of the last column (auto column width)
-    new_width_list.removeLast();
-    pref->setSearchColsWidth(new_width_list.join(" "));
-}
-
-void SearchEngine::downloadTorrent(QString engine_url, QString torrent_url)
-{
-    if (torrent_url.startsWith("bc://bt/", Qt::CaseInsensitive)) {
-        qDebug("Converting bc link to magnet link");
-        torrent_url = Utils::Misc::bcLinkToMagnet(torrent_url);
-    }
-    qDebug() << Q_FUNC_INFO << torrent_url;
-    if (torrent_url.startsWith("magnet:")) {
-        QStringList urls;
-        urls << torrent_url;
-        mp_mainWindow->downloadFromURLList(urls);
-    }
-    else {
-        QProcess *downloadProcess = new QProcess(this);
-        downloadProcess->setEnvironment(QProcess::systemEnvironment());
-        connect(downloadProcess, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(downloadFinished(int,QProcess::ExitStatus)));
-        downloaders << downloadProcess;
-        QStringList params;
-        params << Utils::Fs::toNativePath(Utils::Fs::searchEngineLocation() + "/nova2dl.py");
-        params << engine_url;
-        params << torrent_url;
-        // Launch search
-        downloadProcess->start(Utils::Misc::pythonExecutable(), params, QIODevice::ReadOnly);
-    }
-}
-
-void SearchEngine::searchStarted()
-{
-    // Update SearchEngine widgets
-    activeSearchTab->status = tr("Searching...");
-    search_status->setText(currentSearchTab->status);
-    search_status->repaint();
-    search_button->setText(tr("Stop"));
-}
-
-// search Qprocess return output as soon as it gets new
-// stuff to read. We split it into lines and add each
-// line to search results calling appendSearchResult().
-void SearchEngine::readSearchOutput()
-{
-    QByteArray output = searchProcess->readAllStandardOutput();
-    output.replace("\r", "");
-    QList<QByteArray> lines_list = output.split('\n');
-    if (!search_result_line_truncated.isEmpty()) {
-        QByteArray end_of_line = lines_list.takeFirst();
-        lines_list.prepend(search_result_line_truncated + end_of_line);
-    }
-    search_result_line_truncated = lines_list.takeLast().trimmed();
-    foreach (const QByteArray &line, lines_list)
-        appendSearchResult(QString::fromUtf8(line));
-    activeSearchTab->getCurrentLabel()->setText(tr("Results <i>(%1)</i>:", "i.e: Search results").arg(nb_search_results));
-}
-
-void SearchEngine::downloadFinished(int exitcode, QProcess::ExitStatus)
-{
-    QProcess *downloadProcess = (QProcess*)sender();
-    if (exitcode == 0) {
-        QString line = QString::fromUtf8(downloadProcess->readAllStandardOutput()).trimmed();
-        QStringList parts = line.split(' ');
-        if (parts.size() == 2) {
-            QString path = parts[0];
-
-            if (Preferences::instance()->useAdditionDialog())
-                AddNewTorrentDialog::show(path, mp_mainWindow);
-            else
-                BitTorrent::Session::instance()->addTorrent(path);
-        }
-    }
-    qDebug("Deleting downloadProcess");
-    downloaders.removeOne(downloadProcess);
-    delete downloadProcess;
-}
-
-static inline void removePythonScriptIfExists(const QString& script_path)
-{
-    Utils::Fs::forceRemove(script_path);
-    Utils::Fs::forceRemove(script_path + "c");
-}
-
-// Update nova.py search plugin if necessary
-void SearchEngine::updateNova()
-{
-    qDebug("Updating nova");
-    // create nova directory if necessary
-    QDir search_dir(Utils::Fs::searchEngineLocation());
-    QString nova_folder = Utils::Misc::pythonVersion() >= 3 ? "nova3" : "nova";
-    QFile package_file(search_dir.absoluteFilePath("__init__.py"));
-    package_file.open(QIODevice::WriteOnly | QIODevice::Text);
-    package_file.close();
-    if (!search_dir.exists("engines"))
-        search_dir.mkdir("engines");
-    Utils::Fs::removeDirRecursive(search_dir.absoluteFilePath("__pycache__"));
-
-    QFile package_file2(search_dir.absolutePath() + "/engines/__init__.py");
-    package_file2.open(QIODevice::WriteOnly | QIODevice::Text);
-    package_file2.close();
-    // Copy search plugin files (if necessary)
-    QString filePath = search_dir.absoluteFilePath("nova2.py");
-    if (getPluginVersion(":/" + nova_folder + "/nova2.py") > getPluginVersion(filePath)) {
-        removePythonScriptIfExists(filePath);
-        QFile::copy(":/" + nova_folder + "/nova2.py", filePath);
-    }
-
-    filePath = search_dir.absoluteFilePath("nova2dl.py");
-    if (getPluginVersion(":/" + nova_folder + "/nova2dl.py") > getPluginVersion(filePath)) {
-        removePythonScriptIfExists(filePath);
-        QFile::copy(":/" + nova_folder + "/nova2dl.py", filePath);
-    }
-
-    filePath = search_dir.absoluteFilePath("novaprinter.py");
-    if (getPluginVersion(":/" + nova_folder + "/novaprinter.py") > getPluginVersion(filePath)) {
-        removePythonScriptIfExists(filePath);
-        QFile::copy(":/" + nova_folder + "/novaprinter.py", filePath);
-    }
-
-    filePath = search_dir.absoluteFilePath("helpers.py");
-    if (getPluginVersion(":/" + nova_folder + "/helpers.py") > getPluginVersion(filePath)) {
-        removePythonScriptIfExists(filePath);
-        QFile::copy(":/" + nova_folder + "/helpers.py", filePath);
-    }
-
-    filePath = search_dir.absoluteFilePath("socks.py");
-    removePythonScriptIfExists(filePath);
-    QFile::copy(":/" + nova_folder + "/socks.py", filePath);
-
-    if (nova_folder == "nova") {
-        filePath = search_dir.absoluteFilePath("fix_encoding.py");
-        removePythonScriptIfExists(filePath);
-        QFile::copy(":/" + nova_folder + "/fix_encoding.py", filePath);
-    }
-    else if (nova_folder == "nova3") {
-        filePath = search_dir.absoluteFilePath("sgmllib3.py");
-        removePythonScriptIfExists(filePath);
-        QFile::copy(":/" + nova_folder + "/sgmllib3.py", filePath);
-    }
-    QDir destDir(QDir(Utils::Fs::searchEngineLocation()).absoluteFilePath("engines"));
-    Utils::Fs::removeDirRecursive(destDir.absoluteFilePath("__pycache__"));
-    QDir shipped_subDir(":/" + nova_folder + "/engines/");
-    QStringList files = shipped_subDir.entryList();
-    foreach (const QString &file, files) {
-        QString shipped_file = shipped_subDir.absoluteFilePath(file);
-        // Copy python classes
-        if (file.endsWith(".py")) {
-            const QString dest_file = destDir.absoluteFilePath(file);
-            if (getPluginVersion(shipped_file) > getPluginVersion(dest_file) ) {
-                qDebug("shipped %s is more recent then local plugin, updating...", qPrintable(file));
-                removePythonScriptIfExists(dest_file);
-                qDebug("%s copied to %s", qPrintable(shipped_file), qPrintable(dest_file));
-                QFile::copy(shipped_file, dest_file);
-            }
-        }
-        else {
-            // Copy icons
-            if (file.endsWith(".png"))
-                if (!QFile::exists(destDir.absoluteFilePath(file)))
-                    QFile::copy(shipped_file, destDir.absoluteFilePath(file));
-        }
-    }
-}
-
-// Slot called when search is Finished
-// Search can be finished for 3 reasons :
-// Error | Stopped by user | Finished normally
-void SearchEngine::searchFinished(int exitcode, QProcess::ExitStatus)
-{
-    if (searchTimeout->isActive())
-        searchTimeout->stop();
-    bool useNotificationBalloons = Preferences::instance()->useProgramNotification();
-    if (useNotificationBalloons && mp_mainWindow->getCurrentTabWidget() != this)
-        mp_mainWindow->showNotificationBaloon(tr("Search Engine"), tr("Search has finished"));
-
-    if (activeSearchTab.isNull())
-        // The active tab was closed
-        return;
-
-    if (exitcode) {
-#ifdef Q_OS_WIN
-        activeSearchTab->status = tr("Search aborted");
-#else
-        activeSearchTab->status = tr("An error occurred during search...");
-#endif
-    }
-    else {
-        if (search_stopped) {
-            activeSearchTab->status = tr("Search aborted");
-        }
-        else {
-            if (no_search_results)
-                activeSearchTab->status = tr("Search returned no results");
-            else
-                activeSearchTab->status = tr("Search has finished");
-        }
-    }
-    search_status->setText(currentSearchTab->status);
-    activeSearchTab = 0;
-    search_button->setText(tr("Search"));
-}
-
-// SLOT to append one line to search results list
-// Line is in the following form :
-// file url | file name | file size | nb seeds | nb leechers | Search engine url
-void SearchEngine::appendSearchResult(const QString &line)
-{
-    if (activeSearchTab.isNull()) {
-        if (searchProcess->state() != QProcess::NotRunning) {
-#ifdef Q_OS_WIN
-            searchProcess->kill();
-#else
-            searchProcess->terminate();
-#endif
-            searchProcess->waitForFinished(1000);
-        }
-        if (searchTimeout->isActive())
-            searchTimeout->stop();
-        search_stopped = true;
-        return;
-    }
-    const QStringList parts = line.split("|");
-    const int nb_fields = parts.size();
-    if (nb_fields < NB_PLUGIN_COLUMNS - 1) //-1 because desc_link is optional
-        return;
-    Q_ASSERT(activeSearchTab);
-    // Add item to search result list
-    QStandardItemModel* cur_model = activeSearchTab->getCurrentSearchListModel();
-    Q_ASSERT(cur_model);
-    int row = cur_model->rowCount();
-    cur_model->insertRow(row);
-
-    cur_model->setData(cur_model->index(row, SearchSortModel::DL_LINK), parts.at(PL_DL_LINK).trimmed()); // download URL
-    cur_model->setData(cur_model->index(row, SearchSortModel::NAME), parts.at(PL_NAME).trimmed()); // Name
-    cur_model->setData(cur_model->index(row, SearchSortModel::SIZE), parts.at(PL_SIZE).trimmed().toLongLong()); // Size
-    bool ok = false;
-    qlonglong nb_seeders = parts.at(PL_SEEDS).trimmed().toLongLong(&ok);
-    if (!ok || nb_seeders < 0)
-        cur_model->setData(cur_model->index(row, SearchSortModel::SEEDS), -1); // Seeders
-    else
-        cur_model->setData(cur_model->index(row, SearchSortModel::SEEDS), nb_seeders); // Seeders
-    qlonglong nb_leechers = parts.at(PL_LEECHS).trimmed().toLongLong(&ok);
-    if (!ok || nb_leechers < 0)
-        cur_model->setData(cur_model->index(row, SearchSortModel::LEECHS), -1); // Leechers
-    else
-        cur_model->setData(cur_model->index(row, SearchSortModel::LEECHS), nb_leechers); // Leechers
-    cur_model->setData(cur_model->index(row, SearchSortModel::ENGINE_URL), parts.at(PL_ENGINE_URL).trimmed()); // Engine URL
-    // Description Link
-    if (nb_fields == NB_PLUGIN_COLUMNS)
-        cur_model->setData(cur_model->index(row, SearchSortModel::DESC_LINK), parts.at(PL_DESC_LINK).trimmed());
-
-    no_search_results = false;
-    ++nb_search_results;
-    // Enable clear & download buttons
-    download_button->setEnabled(true);
-    goToDescBtn->setEnabled(true);
-    copyURLBtn->setEnabled(true);
-}
-
-void SearchEngine::closeTab(int index)
-{
-    // Search is run for active tab so if user decided to close it, then stop search
-    if (!activeSearchTab.isNull() && index == tabWidget->indexOf(activeSearchTab)) {
-        qDebug("Closed active search Tab");
-        if (searchProcess->state() != QProcess::NotRunning) {
-#ifdef Q_OS_WIN
-            searchProcess->kill();
-#else
-            searchProcess->terminate();
-#endif
-            searchProcess->waitForFinished(1000);
-        }
-        if (searchTimeout->isActive())
-            searchTimeout->stop();
-        search_stopped = true;
-        activeSearchTab = 0;
-    }
-    delete all_tab.takeAt(index);
-    if (!all_tab.size()) {
-        download_button->setEnabled(false);
-        goToDescBtn->setEnabled(false);
-        search_status->setText(tr("Stopped"));
-        copyURLBtn->setEnabled(false);
-    }
-}
-
-// Download selected items in search results list
-void SearchEngine::on_download_button_clicked()
-{
-    //QModelIndexList selectedIndexes = currentSearchTab->getCurrentTreeView()->selectionModel()->selectedIndexes();
-    QModelIndexList selectedIndexes = all_tab.at(tabWidget->currentIndex())->getCurrentTreeView()->selectionModel()->selectedIndexes();
-    foreach (const QModelIndex &index, selectedIndexes) {
-        if (index.column() == SearchSortModel::NAME) {
-            // Get Item url
-            QSortFilterProxyModel* model = all_tab.at(tabWidget->currentIndex())->getCurrentSearchListProxy();
-            QString torrent_url = model->data(model->index(index.row(), URL_COLUMN)).toString();
-            QString engine_url = model->data(model->index(index.row(), ENGINE_URL_COLUMN)).toString();
-            downloadTorrent(engine_url, torrent_url);
-            all_tab.at(tabWidget->currentIndex())->setRowColor(index.row(), "blue");
-        }
-    }
-}
-
-void SearchEngine::on_goToDescBtn_clicked()
-{
-    QModelIndexList selectedIndexes = all_tab.at(tabWidget->currentIndex())->getCurrentTreeView()->selectionModel()->selectedIndexes();
-    foreach (const QModelIndex &index, selectedIndexes) {
-        if (index.column() == SearchSortModel::NAME) {
-            QSortFilterProxyModel* model = all_tab.at(tabWidget->currentIndex())->getCurrentSearchListProxy();
-            const QString desc_url = model->data(model->index(index.row(), SearchSortModel::DESC_LINK)).toString();
-            if (!desc_url.isEmpty())
-                QDesktopServices::openUrl(QUrl::fromEncoded(desc_url.toUtf8()));
-        }
-    }
-}
-
-void SearchEngine::on_copyURLBtn_clicked()
-{
-    QStringList urls;
-    QModelIndexList selectedIndexes = all_tab.at(tabWidget->currentIndex())->getCurrentTreeView()->selectionModel()->selectedIndexes();
-    foreach (const QModelIndex &index, selectedIndexes) {
-        if (index.column() == SearchSortModel::NAME) {
-            QSortFilterProxyModel* model = all_tab.at(tabWidget->currentIndex())->getCurrentSearchListProxy();
-            const QString descUrl = model->data(model->index(index.row(), SearchSortModel::DESC_LINK)).toString();
-            if (!descUrl.isEmpty())
-                urls << descUrl.toUtf8();
-        }
-    }
-    if (!urls.empty()) {
-        QClipboard *clipboard = QApplication::clipboard();
-        clipboard->setText(urls.join("\n"));
-    }
-}

src/searchengine/searchengine.h

@@ -1,133 +0,0 @@
-/*
- * Bittorrent Client using Qt4 and libtorrent.
- * Copyright (C) 2006  Christophe Dumez
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- *
- * Contact : chris@qbittorrent.org
- */
-
-#ifndef SEARCH_H
-#define SEARCH_H
-
-#include <QProcess>
-#include <QList>
-#include <QPair>
-#include <QPointer>
-#include <QStringListModel>
-#include "ui_search.h"
-#include "engineselectdlg.h"
-#include "searchtab.h"
-#include "supportedengines.h"
-
-class SearchEngine;
-class MainWindow;
-class LineEdit;
-
-QT_BEGIN_NAMESPACE
-class QTimer;
-QT_END_NAMESPACE
-
-class SearchEngine : public QWidget, public Ui::search_engine{
-    Q_OBJECT
-    Q_DISABLE_COPY(SearchEngine)
-
-private:
-    enum PluginColumn { PL_DL_LINK, PL_NAME, PL_SIZE, PL_SEEDS, PL_LEECHS, PL_ENGINE_URL, PL_DESC_LINK, NB_PLUGIN_COLUMNS };
-
-public:
-    SearchEngine(MainWindow *mp_mainWindow);
-    ~SearchEngine();
-    QString selectedCategory() const;
-    QString selectedEngine() const;
-
-    static qreal getPluginVersion(QString filePath) {
-        QFile plugin(filePath);
-        if (!plugin.exists()) {
-            qDebug("%s plugin does not exist, returning 0.0", qPrintable(filePath));
-            return 0.0;
-        }
-        if (!plugin.open(QIODevice::ReadOnly | QIODevice::Text)) {
-            return 0.0;
-        }
-        qreal version = 0.0;
-        while (!plugin.atEnd()) {
-            QByteArray line = plugin.readLine();
-            if (line.startsWith("#VERSION: ")) {
-                line = line.split(' ').last().trimmed();
-                version = line.toFloat();
-                qDebug("plugin %s version: %.2f", qPrintable(filePath), version);
-                break;
-            }
-        }
-        return version;
-    }
-
-public slots:
-    void on_download_button_clicked();
-    void downloadTorrent(QString engine_url, QString torrent_url);
-    void giveFocusToSearchInput();
-
-protected slots:
-    // Search slots
-    void tab_changed(int);//to prevent the use of the download button when the tab is empty
-    void on_search_button_clicked();
-    void closeTab(int index);
-    void appendSearchResult(const QString &line);
-    void searchFinished(int exitcode,QProcess::ExitStatus);
-    void readSearchOutput();
-    void searchStarted();
-    void updateNova();
-    void selectMultipleBox(const QString &text);
-    void on_enginesButton_clicked();
-    void saveResultsColumnsWidth();
-    void downloadFinished(int exitcode, QProcess::ExitStatus);
-    void fillCatCombobox();
-    void fillEngineComboBox();
-    void searchTextEdited(QString);
-
-private slots:
-    void on_goToDescBtn_clicked();
-    void on_copyURLBtn_clicked();
-
-private:
-    // Search related
-    LineEdit* search_pattern;
-    QProcess *searchProcess;
-    QList<QProcess*> downloaders;
-    bool search_stopped;
-    bool no_search_results;
-    QByteArray search_result_line_truncated;
-    unsigned long nb_search_results;
-    SupportedEngines *supported_engines;
-    QTimer *searchTimeout;
-    QPointer<SearchTab> currentSearchTab; // Selected tab
-    QPointer<SearchTab> activeSearchTab; // Tab with running search
-    QList<QPointer<SearchTab> > all_tab; // To store all tabs
-    const SearchCategories full_cat_names;
-    MainWindow *mp_mainWindow;
-    bool newQueryString;
-};
-
-#endif

src/searchengine/searchengine.pri

@@ -1,19 +0,0 @@
-INCLUDEPATH += $$PWD
-
-FORMS += $$PWD/search.ui \
-         $$PWD/engineselect.ui \
-         $$PWD/pluginsource.ui
-
-HEADERS += $$PWD/searchengine.h \
-           $$PWD/searchtab.h \
-           $$PWD/engineselectdlg.h \
-           $$PWD/pluginsource.h \
-           $$PWD/searchlistdelegate.h \
-           $$PWD/supportedengines.h \
-           $$PWD/searchsortmodel.h
-
-SOURCES += $$PWD/searchengine.cpp \
-           $$PWD/searchtab.cpp \
-           $$PWD/engineselectdlg.cpp
-
-RESOURCES += $$PWD/search.qrc

src/searchengine/searchsortmodel.h

@@ -1,35 +0,0 @@
-#ifndef SEARCHSORTMODEL_H
-#define SEARCHSORTMODEL_H
-
-#include <QSortFilterProxyModel>
-#include "base/utils/string.h"
-
-class SearchSortModel : public QSortFilterProxyModel {
-  Q_OBJECT
-
-public:
-  enum SearchColumn { NAME, SIZE, SEEDS, LEECHS, ENGINE_URL, DL_LINK, DESC_LINK, NB_SEARCH_COLUMNS };
-
-  SearchSortModel(QObject *parent = 0) : QSortFilterProxyModel(parent) {}
-
-protected:
-  virtual bool lessThan(const QModelIndex &left, const QModelIndex &right) const {
-    if (sortColumn() == NAME || sortColumn() == ENGINE_URL) {
-      QVariant vL = sourceModel()->data(left);
-      QVariant vR = sourceModel()->data(right);
-      if (!(vL.isValid() && vR.isValid()))
-        return QSortFilterProxyModel::lessThan(left, right);
-      Q_ASSERT(vL.isValid());
-      Q_ASSERT(vR.isValid());
-
-      bool res = false;
-      if (Utils::String::naturalSort(vL.toString(), vR.toString(), res))
-        return res;
-
-      return QSortFilterProxyModel::lessThan(left, right);
-    }
-    return QSortFilterProxyModel::lessThan(left, right);
-  }
-};
-
-#endif // SEARCHSORTMODEL_H

src/searchengine/searchtab.cpp

@@ -1,165 +0,0 @@
-/*
- * Bittorrent Client using Qt4 and libtorrent.
- * Copyright (C) 2006  Christophe Dumez
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- *
- * Contact : chris@qbittorrent.org
- */
-
-#include <QDir>
-#include <QTreeView>
-#include <QStandardItemModel>
-#include <QHeaderView>
-#include <QSortFilterProxyModel>
-#ifdef QBT_USES_QT5
-#include <QTableView>
-#endif
-
-#include "searchtab.h"
-#include "searchlistdelegate.h"
-#include "base/utils/misc.h"
-#include "searchengine.h"
-#include "base/preferences.h"
-
-SearchTab::SearchTab(SearchEngine *parent) : QWidget(), parent(parent)
-{
-    box = new QVBoxLayout();
-    results_lbl = new QLabel();
-    resultsBrowser = new QTreeView();
-#ifdef QBT_USES_QT5
-    // This hack fixes reordering of first column with Qt5.
-    // https://github.com/qtproject/qtbase/commit/e0fc088c0c8bc61dbcaf5928b24986cd61a22777
-    QTableView unused;
-    unused.setVerticalHeader(resultsBrowser->header());
-    resultsBrowser->header()->setParent(resultsBrowser);
-    unused.setVerticalHeader(new QHeaderView(Qt::Horizontal));
-#endif
-    resultsBrowser->setSelectionMode(QAbstractItemView::ExtendedSelection);
-    box->addWidget(results_lbl);
-    box->addWidget(resultsBrowser);
-
-    setLayout(box);
-    // Set Search results list model
-    SearchListModel = new QStandardItemModel(0, SearchSortModel::NB_SEARCH_COLUMNS);
-    SearchListModel->setHeaderData(SearchSortModel::NAME, Qt::Horizontal, tr("Name", "i.e: file name"));
-    SearchListModel->setHeaderData(SearchSortModel::SIZE, Qt::Horizontal, tr("Size", "i.e: file size"));
-    SearchListModel->setHeaderData(SearchSortModel::SEEDS, Qt::Horizontal, tr("Seeders", "i.e: Number of full sources"));
-    SearchListModel->setHeaderData(SearchSortModel::LEECHS, Qt::Horizontal, tr("Leechers", "i.e: Number of partial sources"));
-    SearchListModel->setHeaderData(SearchSortModel::ENGINE_URL, Qt::Horizontal, tr("Search engine"));
-
-    proxyModel = new SearchSortModel();
-    proxyModel->setDynamicSortFilter(true);
-    proxyModel->setSourceModel(SearchListModel);
-    resultsBrowser->setModel(proxyModel);
-
-    SearchDelegate = new SearchListDelegate();
-    resultsBrowser->setItemDelegate(SearchDelegate);
-
-    resultsBrowser->hideColumn(SearchSortModel::DL_LINK); // Hide url column
-    resultsBrowser->hideColumn(SearchSortModel::DESC_LINK);
-
-    resultsBrowser->setRootIsDecorated(false);
-    resultsBrowser->setAllColumnsShowFocus(true);
-    resultsBrowser->setSortingEnabled(true);
-
-    // Connect signals to slots (search part)
-    connect(resultsBrowser, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(downloadSelectedItem(const QModelIndex&)));
-
-    // Load last columns width for search results list
-    if (!loadColWidthResultsList()) {
-        resultsBrowser->header()->resizeSection(0, 275);
-    }
-
-    // Sort by Seeds
-    resultsBrowser->sortByColumn(SearchSortModel::SEEDS, Qt::DescendingOrder);
-}
-
-void SearchTab::downloadSelectedItem(const QModelIndex& index) {
-    QString engine_url = proxyModel->data(proxyModel->index(index.row(), SearchSortModel::ENGINE_URL)).toString();
-    QString torrent_url = proxyModel->data(proxyModel->index(index.row(), SearchSortModel::DL_LINK)).toString();
-    setRowColor(index.row(), "blue");
-    parent->downloadTorrent(engine_url, torrent_url);
-}
-
-SearchTab::~SearchTab() {
-    delete box;
-    delete results_lbl;
-    delete resultsBrowser;
-    delete SearchListModel;
-    delete proxyModel;
-    delete SearchDelegate;
-}
-
-QHeaderView* SearchTab::header() const {
-    return resultsBrowser->header();
-}
-
-bool SearchTab::loadColWidthResultsList() {
-    QString line = Preferences::instance()->getSearchColsWidth();
-    if (line.isEmpty())
-        return false;
-
-    QStringList width_list = line.split(' ');
-    if (width_list.size() > SearchListModel->columnCount())
-        return false;
-
-    unsigned int listSize = width_list.size();
-    for (unsigned int i=0; i<listSize; ++i) {
-      resultsBrowser->header()->resizeSection(i, width_list.at(i).toInt());
-    }
-
-    return true;
-}
-
-QLabel* SearchTab::getCurrentLabel()
-{
-    return results_lbl;
-}
-
-QTreeView* SearchTab::getCurrentTreeView()
-{
-    return resultsBrowser;
-}
-
-QSortFilterProxyModel* SearchTab::getCurrentSearchListProxy() const
-{
-    return proxyModel;
-}
-
-QStandardItemModel* SearchTab::getCurrentSearchListModel() const
-{
-    return SearchListModel;
-}
-
-// Set the color of a row in data model
-void SearchTab::setRowColor(int row, QString color) {
-  proxyModel->setDynamicSortFilter(false);
-  for (int i=0; i<proxyModel->columnCount(); ++i) {
-    proxyModel->setData(proxyModel->index(row, i), QVariant(QColor(color)), Qt::ForegroundRole);
-  }
-  proxyModel->setDynamicSortFilter(true);
-}
-
-

src/searchengine/supportedengines.h

@@ -1,186 +0,0 @@
-/*
- * Bittorrent Client using Qt4 and libtorrent.
- * Copyright (C) 2006  Christophe Dumez
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link this program with the OpenSSL project's "OpenSSL" library (or with
- * modified versions of it that use the same license as the "OpenSSL" library),
- * and distribute the linked executables. You must obey the GNU General Public
- * License in all respects for all of the code used other than "OpenSSL".  If you
- * modify file(s), you may extend this exception to your version of the file(s),
- * but you are not obligated to do so. If you do not wish to do so, delete this
- * exception statement from your version.
- *
- * Contact : chris@qbittorrent.org
- */
-
-#ifndef SEARCHENGINES_H
-#define SEARCHENGINES_H
-
-#include <QHash>
-#include <QStringList>
-#include <QDomDocument>
-#include <QDomNode>
-#include <QDomElement>
-#include <QProcess>
-#include <QDir>
-#include <QApplication>
-#include <QDebug>
-
-#include "base/utils/fs.h"
-#include "base/utils/misc.h"
-#include "base/preferences.h"
-
-class SearchCategories: public QObject, public QHash<QString, QString> {
-  Q_OBJECT
-
-public:
-  SearchCategories() {
-    (*this)["all"] = tr("All categories");
-    (*this)["movies"] = tr("Movies");
-    (*this)["tv"] = tr("TV shows");
-    (*this)["music"] = tr("Music");
-    (*this)["games"] = tr("Games");
-    (*this)["anime"] = tr("Anime");
-    (*this)["software"] = tr("Software");
-    (*this)["pictures"] = tr("Pictures");
-    (*this)["books"] = tr("Books");
-  }
-};
-
-class SupportedEngine {
-private:
-  QString name;
-  QString full_name;
-  QString url;
-  QStringList supported_categories;
-  bool enabled;
-
-public:
-  SupportedEngine(QDomElement engine_elem) {
-    name = engine_elem.tagName();
-    full_name = engine_elem.elementsByTagName("name").at(0).toElement().text();
-    url = engine_elem.elementsByTagName("url").at(0).toElement().text();
-    supported_categories = engine_elem.elementsByTagName("categories").at(0).toElement().text().split(" ");
-    QStringList disabled_engines = Preferences::instance()->getSearchEngDisabled();
-    enabled = !disabled_engines.contains(name);
-  }
-
-  QString getName() const { return name; }
-  QString getUrl() const { return url; }
-  QString getFullName() const { return full_name; }
-  QStringList getSupportedCategories() const { return supported_categories; }
-  bool isEnabled() const { return enabled; }
-  void setEnabled(bool _enabled) {
-    enabled = _enabled;
-    // Save to Hard disk
-    Preferences* const pref = Preferences::instance();
-    QStringList disabled_engines = pref->getSearchEngDisabled();
-    if (enabled) {
-      disabled_engines.removeAll(name);
-    } else {
-      disabled_engines.append(name);
-    }
-    pref->setSearchEngDisabled(disabled_engines);
-  }
-};
-
-class SupportedEngines: public QObject, public QHash<QString, SupportedEngine*> {
-  Q_OBJECT
-
-signals:
-  void newSupportedEngine(QString name);
-
-public:
-  SupportedEngines() {
-    update();
-  }
-
-  ~SupportedEngines() {
-    qDeleteAll(this->values());
-  }
-
-  QStringList enginesAll() const {
-    QStringList engines;
-    foreach (const SupportedEngine *engine, values()) engines << engine->getName();
-    return engines;
-  }
-
-  QStringList enginesEnabled() const {
-    QStringList engines;
-    foreach (const SupportedEngine *engine, values()) {
-      if (engine->isEnabled())
-        engines << engine->getName();
-    }
-    return engines;
-  }
-
-  QStringList supportedCategories() const {
-    QStringList supported_cat;
-    foreach (const SupportedEngine *engine, values()) {
-      if (engine->isEnabled()) {
-        const QStringList &s = engine->getSupportedCategories();
-        foreach (QString cat, s) {
-          cat = cat.trimmed();
-          if (!cat.isEmpty() && !supported_cat.contains(cat))
-            supported_cat << cat;
-        }
-      }
-    }
-    return supported_cat;
-  }
-
-public slots:
-  void update() {
-    QProcess nova;
-    nova.setEnvironment(QProcess::systemEnvironment());
-    QStringList params;
-    params << Utils::Fs::toNativePath(Utils::Fs::searchEngineLocation()+"/nova2.py");
-    params << "--capabilities";
-    nova.start(Utils::Misc::pythonExecutable(), params, QIODevice::ReadOnly);
-    nova.waitForStarted();
-    nova.waitForFinished();
-    QString capabilities = QString(nova.readAll());
-    QDomDocument xml_doc;
-    if (!xml_doc.setContent(capabilities)) {
-      qWarning() << "Could not parse Nova search engine capabilities, msg: " << capabilities.toLocal8Bit().data();
-      qWarning() << "Error: " << nova.readAllStandardError().constData();
-      return;
-    }
-    QDomElement root = xml_doc.documentElement();
-    if (root.tagName() != "capabilities") {
-      qWarning() << "Invalid XML file for Nova search engine capabilities, msg: " << capabilities.toLocal8Bit().data();
-      return;
-    }
-    for (QDomNode engine_node = root.firstChild(); !engine_node.isNull(); engine_node = engine_node.nextSibling()) {
-      QDomElement engine_elem = engine_node.toElement();
-      if (!engine_elem.isNull()) {
-        SupportedEngine *s = new SupportedEngine(engine_elem);
-        if (this->contains(s->getName())) {
-          // Already in the list
-          delete s;
-        } else {
-          qDebug("Supported search engine: %s", s->getFullName().toLocal8Bit().data());
-          (*this)[s->getName()] = s;
-          emit newSupportedEngine(s->getName());
-        }
-      }
-    }
-  }
-};
-
-#endif // SEARCHENGINES_H

src/src.pro

@@ -34,7 +34,7 @@ nogui {
 }
 nowebui: DEFINES += DISABLE_WEBUI
 strace_win: DEFINES += STACKTRACE_WIN
-QT += network
+QT += network xml
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
 # Vars
@@ -63,16 +63,14 @@ INCLUDEPATH += $$PWD
 include(app/app.pri)
 include(base/base.pri)
 !nowebui: include(webui/webui.pri)
-!nogui {
+!nogui: include(gui/gui.pri)
-    include(gui/gui.pri)
-    include(searchengine/searchengine.pri)
-}
 
 # Resource files
 QMAKE_RESOURCE_FLAGS += -compress 9 -threshold 5
 RESOURCES += \
     icons.qrc \
-    lang.qrc
+    lang.qrc \
+    searchengine.qrc
 
 # Translations
 TRANSLATIONS = \