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qBittorrent/src/gui/search/searchwidget.cpp
sledgehammer999 68ecbf4185 Merge pull request #5420 from thalieht/alignment 
Changes and additions in search, peerlist, transferlist
2017-01-21 02:58:32 +02:00

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/*
* 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 <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 <QTextStream>
#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 "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)
, m_isNewQueryString(false)
, m_noSearchResults(true)
{
setupUi(this);
QString searchPatternHint;
QTextStream stream(&searchPatternHint, QIODevice::WriteOnly);
stream << "<html><head/><body><p>"
<< tr("A phrase to search for.") << "<br>"
<< tr("Spaces in a search term may be protected by double quotes.")
<< "</p><p>"
<< tr("Example:", "Search phrase example")
<< "<br>"
<< tr("<b>foo bar</b>: search for <b>foo</b> and <b>bar</b>",
"Search phrase example, illustrates quotes usage, a pair of "
"space delimited words, individal words are highlighted")
<< "<br>"
<< tr("<b>&quot;foo bar&quot;</b>: search for <b>foo bar</b>",
"Search phrase example, illustrates quotes usage, double quoted"
"pair of space delimited words, the whole pair is highlighted")
<< "</p></body></html>" << flush;
m_searchPattern->setToolTip(searchPatternHint);
// 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"));
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()));
connect(m_searchEngine, SIGNAL(torrentFileDownloaded(QString)), SLOT(addTorrentToSession(QString)));
// Fill in category combobox
fillCatCombobox();
fillPluginComboBox();
connect(m_searchPattern, SIGNAL(returnPressed()), searchButton, SLOT(click()));
connect(m_searchPattern, SIGNAL(textEdited(QString)), this, SLOT(searchTextEdited(QString)));
connect(selectPlugin, SIGNAL(currentIndexChanged(int)), this, SLOT(selectMultipleBox(int)));
}
void SearchWidget::fillCatCombobox()
{
comboCategory->clear();
comboCategory->addItem(SearchEngine::categoryFullName("all"), QVariant("all"));
comboCategory->insertSeparator(1);
using QStrPair = QPair<QString, QString>;
QList<QStrPair> tmpList;
foreach (const QString &cat, m_searchEngine->supportedCategories())
tmpList << qMakePair(SearchEngine::categoryFullName(cat), cat);
std::sort(tmpList.begin(), tmpList.end(), [](const QStrPair &l, const QStrPair &r) { return (QString::localeAwareCompare(l.first, r.first) < 0); });
foreach (const QStrPair &p, tmpList) {
qDebug("Supported category: %s", qPrintable(p.second));
comboCategory->addItem(p.first, QVariant(p.second));
}
}
void SearchWidget::fillPluginComboBox()
{
selectPlugin->clear();
selectPlugin->addItem(tr("Only enabled"), QVariant("enabled"));
selectPlugin->addItem(tr("All plugins"), QVariant("all"));
selectPlugin->addItem(tr("Select..."), QVariant("multi"));
selectPlugin->insertSeparator(3);
using QStrPair = QPair<QString, QString>;
QList<QStrPair> tmpList;
foreach (const QString &name, m_searchEngine->enabledPlugins())
tmpList << qMakePair(m_searchEngine->pluginFullName(name), name);
std::sort(tmpList.begin(), tmpList.end(), [](const QStrPair &l, const QStrPair &r) { return (l.first < r.first); } );
foreach (const QStrPair &p, tmpList)
selectPlugin->addItem(p.first, QVariant(p.second));
}
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::downloadTorrent(const QString &siteUrl, const QString &url)
{
if (url.startsWith("bc://bt/", Qt::CaseInsensitive) || url.startsWith("magnet:", Qt::CaseInsensitive))
addTorrentToSession(url);
else
m_searchEngine->downloadTorrent(siteUrl, url);
}
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);
}
}
}
void SearchWidget::selectMultipleBox(int index)
{
Q_UNUSED(index);
if (selectedPlugin() == "multi")
on_pluginsButton_clicked();
}
void SearchWidget::addTorrentToSession(const QString &source)
{
if (AddNewTorrentDialog::isEnabled())
AddNewTorrentDialog::show(source, this);
else
BitTorrent::Session::instance()->addTorrent(source);
}
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();
}
QTabWidget *SearchWidget::searchTabs() const
{
return tabWidget;
}
// 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;
m_allTabs.append(m_currentSearchTab);
QString tabName = pattern;
tabName.replace(QRegExp("&{1}"), "&&");
tabWidget->addTab(m_currentSearchTab, tabName);
tabWidget->setCurrentWidget(m_currentSearchTab);
m_currentSearchTab->getCurrentSearchListProxy()->setNameFilter(pattern);
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;
// Changing the text of the current label
m_activeSearchTab->updateResultsCount();
// Launch search
m_searchEngine->startSearch(pattern, selectedCategory(), plugins);
}
void SearchWidget::searchStarted()
{
// Update SearchEngine widgets
m_activeSearchTab->setStatus(SearchTab::Status::Ongoing);
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 (m_mainWindow->isNotificationsEnabled() && (m_mainWindow->currentTabWidget() != 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(SearchTab::Status::Aborted);
else if (m_noSearchResults)
m_activeSearchTab->setStatus(SearchTab::Status::NoResults);
else
m_activeSearchTab->setStatus(SearchTab::Status::Finished);
m_activeSearchTab = 0;
searchButton->setText(tr("Search"));
}
void SearchWidget::searchFailed()
{
if (m_mainWindow->isNotificationsEnabled() && (m_mainWindow->currentTabWidget() != 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(SearchTab::Status::Aborted);
#else
m_activeSearchTab->setStatus(SearchTab::Status::Error);
#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::LEECHES), 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_activeSearchTab->updateResultsCount();
// 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);
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)
m_allTabs.at(tabWidget->currentIndex())->downloadItem(index);
}
}
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"));
}
}
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