filelight/src/main.cpp

0001 /***********************************************************************
0002  * SPDX-FileCopyrightText: 2003-2004 Max Howell <max.howell@methylblue.com>
0003  * SPDX-FileCopyrightText: 2008-2014 Martin Sandsmark <martin.sandsmark@kde.org>
0004  * SPDX-FileCopyrightText: 2022 Harald Sitter <sitter@kde.org>
0005  *
0006  * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
0007  ***********************************************************************/
0008
0009 #include "define.h"
0010 #include "mainContext.h"
0011
0012 #include <filesystem>
0013
0014 #include <QApplication>
0015 #include <QCommandLineParser>
0016 #include <QDebug>
0017 #include <QDir>
0018 #include <QIcon>
0019 #include <QQuickStyle>
0020 #include <QUrl>
0021
0022 #include <KAboutData>
0023 #include <KConfigGroup>
0024 #include <KLocalizedString>
0025 #include <KSharedConfig>
0026
0027 #include "fileCleaner.h"
0028 #include "fileTree.h"
0029
0030 int main(int argc, char *argv[])
0031 {
0032     // Since filelight may get used when the disk is full or near full we'll not
0033     // want to risk caching problems. If we don't have enough space -> disable caching.
0034     // https://bugs.kde.org/show_bug.cgi?id=466415
0035     const QString cachePath = QStandardPaths::writableLocation(QStandardPaths::CacheLocation);
0036     std::error_code ec;
0037     const auto spaceInfo = std::filesystem::space(cachePath.toStdString(), ec);
0038     constexpr auto minimumSpace = 5UL * 1024 * 1024 * 1024; // GiB
0039     const bool cache = ec ? false : (spaceInfo.available > minimumSpace);
0040     if (!cache) {
0041         qWarning() << "Disabling QML cache because of low disk space";
0042         qputenv("QML_DISABLE_DISK_CACHE", "1");
0043     }
0044
0045     QApplication app(argc, argv);
0046
0047     qRegisterMetaType<std::shared_ptr<File>>("std::shared_ptr<File>");
0048     qRegisterMetaType<std::shared_ptr<Folder>>("std::shared_ptr<Folder>");
0049
0050     std::ignore = FileCleaner::instance(); // make sure the cleaner is up and running early so it is definitely up by the time shutdown happens
0051
0052     if (qEnvironmentVariableIsEmpty("QT_QUICK_CONTROLS_STYLE")) {
0053         QQuickStyle::setStyle(QStringLiteral("org.kde.desktop"));
0054     }
0055
0056     KLocalizedString::setApplicationDomain(QByteArrayLiteral("filelight"));
0057     auto config = KSharedConfig::openConfig();
0058     auto stateConfig = KSharedConfig::openStateConfig();
0059     if (config->hasGroup(QLatin1String("general"))) {
0060         auto grp = stateConfig->group(QStringLiteral("general"));
0061         config->group(QStringLiteral("general")).copyTo(&grp);
0062         config->deleteGroup(QStringLiteral("general"));
0063     }
0064
0065     KAboutData about(QStringLiteral(APP_NAME),
0066                      i18n(APP_PRETTYNAME),
0067                      QStringLiteral(APP_VERSION),
0068                      i18n("Graphical disk-usage information"),
0069                      KAboutLicense::GPL,
0070                      i18n("(C) 2006 Max Howell\n"
0071                           "(C) 2008-2014 Martin Sandsmark\n"
0072                           "(C) 2017-2022 Harald Sitter"),
0073                      QString(),
0074                      QStringLiteral("https://apps.kde.org/filelight"));
0075     about.addAuthor(i18n("Martin Sandsmark"), i18n("Maintainer"), QStringLiteral("martin.sandsmark@kde.org"), QStringLiteral("https://iskrembilen.com/"));
0076     about.addAuthor(i18n("Harald Sitter"), i18n("QtQuick Port"), QStringLiteral("sitter@kde.org"));
0077     about.addAuthor(i18n("Max Howell"), i18n("Original author"), QStringLiteral("max.howell@methylblue.com"), QStringLiteral("https://www.methylblue.com/"));
0078     about.addCredit(i18n("Lukas Appelhans"), i18n("Help and support"));
0079     about.addCredit(i18n("Steffen Gerlach"), i18n("Inspiration"), QString(), QStringLiteral("http://www.steffengerlach.de/"));
0080     about.addCredit(i18n("Mike Diehl"), i18n("Original documentation"));
0081     about.addCredit(i18n("Sune Vuorela"), i18n("Icon"));
0082     about.addCredit(i18n("Nuno Pinheiro"), i18n("Icon"));
0083
0084     KAboutData::setApplicationData(about);
0085     app.setOrganizationName(QStringLiteral("KDE"));
0086     app.setWindowIcon(QIcon::fromTheme(QStringLiteral(APP_NAME)));
0087
0088     QCommandLineParser options;
0089     options.addPositionalArgument(QStringLiteral("url"), i18n("Path or URL to scan"), i18n("[url]"));
0090     about.setupCommandLine(&options);
0091     options.process(app);
0092     about.processCommandLine(&options);
0093
0094     Filelight::MainContext mainContext;
0095     const QStringList args = options.positionalArguments();
0096     if (args.count() > 0) {
0097         mainContext.scan(QUrl::fromUserInput(args.at(0), QDir::currentPath(), QUrl::AssumeLocalFile));
0098     }
0099
0100     return app.exec();
0101 }