src/main.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2006 Peter Penz <peter.penz19@gmail.com>
   3  * SPDX-FileCopyrightText: 2006 Stefan Monov <logixoul@gmail.com>
   4  * SPDX-FileCopyrightText: 2015 Mathieu Tarral <mathieu.tarral@gmail.com>
   5  *
   6  * SPDX-License-Identifier: GPL-2.0-or-later
   7  */
   8
   9 #include "config-dolphin.h"
  10 #include "dbusinterface.h"
  11 #include "dolphin_generalsettings.h"
  12 #include "dolphin_version.h"
  13 #include "dolphindebug.h"
  14 #include "dolphinmainwindow.h"
  15 #include "global.h"
  16 #if HAVE_KUSERFEEDBACK
  17 #include "userfeedback/dolphinfeedbackprovider.h"
  18 #endif
  19
  20 #include <KAboutData>
  21 #include <KConfigGui>
  22 #include <KCrash>
  23 #include <KDBusService>
  24 #include <KIO/PreviewJob>
  25 #include <KLocalizedString>
  26 #include <KWindowSystem>
  27
  28 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  29 #include <Kdelibs4ConfigMigrator>
  30 #endif
  31
  32 #include <QApplication>
  33 #include <QCommandLineParser>
  34 #include <QDBusConnection>
  35 #include <QDBusConnectionInterface>
  36 #include <QSessionManager>
  37
  38 #if HAVE_X11
  39 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
  40 #include <private/qtx11extras_p.h>
  41 #else
  42 #include <QX11Info>
  43 #endif
  44 #endif
  45
  46 #ifndef Q_OS_WIN
  47 #include <unistd.h>
  48 #endif
  49 #include <iostream>
  50
  51 int main(int argc, char **argv)
  52 {
  53 #ifndef Q_OS_WIN
  54     // Prohibit using sudo or kdesu (but allow using the root user directly)
  55     if (getuid() == 0) {
  56         if (!qEnvironmentVariableIsEmpty("SUDO_USER")) {
  57             std::cout << "Running Dolphin with sudo is not supported as it can cause bugs and expose you to security vulnerabilities. Instead, install the "
  58                          "`kio-admin` package from your distro and use it to manage root-owned locations by right-clicking on them and selecting \"Open as "
  59                          "Administrator\"."
  60                       << std::endl;
  61             return EXIT_FAILURE;
  62         } else if (!qEnvironmentVariableIsEmpty("KDESU_USER")) {
  63             std::cout << "Running Dolphin with kdesu is not supported as it can cause bugs and expose you to security vulnerabilities. Instead, install the "
  64                          "`kio-admin` package from your distro and use it to manage root-owned locations by right-clicking on them and selecting \"Open as "
  65                          "Administrator\"."
  66                       << std::endl;
  67             return EXIT_FAILURE;
  68         }
  69     }
  70 #endif
  71
  72     /**
  73      * enable high dpi support
  74      */
  75 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  76     QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
  77     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
  78 #endif
  79     QApplication app(argc, argv);
  80     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("system-file-manager"), app.windowIcon()));
  81
  82 #if defined(Q_OS_WIN)
  83     QApplication::setStyle(QStringLiteral("breeze"));
  84 #endif
  85
  86     KCrash::initialize();
  87
  88 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  89     Kdelibs4ConfigMigrator migrate(QStringLiteral("dolphin"));
  90     migrate.setConfigFiles(QStringList() << QStringLiteral("dolphinrc"));
  91     migrate.setUiFiles(QStringList() << QStringLiteral("dolphinpart.rc") << QStringLiteral("dolphinui.rc"));
  92     migrate.migrate();
  93 #endif
  94
  95     KLocalizedString::setApplicationDomain("dolphin");
  96
  97     KAboutData aboutData(QStringLiteral("dolphin"),
  98                          i18n("Dolphin"),
  99                          QStringLiteral(DOLPHIN_VERSION_STRING),
 100                          i18nc("@title", "File Manager"),
 101                          KAboutLicense::GPL,
 102                          i18nc("@info:credit", "(C) 2006-2022 The Dolphin Developers"));
 103     aboutData.setHomepage(QStringLiteral("https://apps.kde.org/dolphin"));
 104     aboutData.addAuthor(i18nc("@info:credit", "Felix Ernst"),
 105                         i18nc("@info:credit", "Maintainer (since 2021) and developer"),
 106                         QStringLiteral("felixernst@kde.org"));
 107     aboutData.addAuthor(i18nc("@info:credit", "Méven Car"),
 108                         i18nc("@info:credit", "Maintainer (since 2021) and developer (since 2019)"),
 109                         QStringLiteral("meven@kde.org"));
 110     aboutData.addAuthor(i18nc("@info:credit", "Elvis Angelaccio"),
 111                         i18nc("@info:credit", "Maintainer (2018-2021) and developer"),
 112                         QStringLiteral("elvis.angelaccio@kde.org"));
 113     aboutData.addAuthor(i18nc("@info:credit", "Emmanuel Pescosta"),
 114                         i18nc("@info:credit", "Maintainer (2014-2018) and developer"),
 115                         QStringLiteral("emmanuelpescosta099@gmail.com"));
 116     aboutData.addAuthor(i18nc("@info:credit", "Frank Reininghaus"),
 117                         i18nc("@info:credit", "Maintainer (2012-2014) and developer"),
 118                         QStringLiteral("frank78ac@googlemail.com"));
 119     aboutData.addAuthor(i18nc("@info:credit", "Peter Penz"),
 120                         i18nc("@info:credit", "Maintainer and developer (2006-2012)"),
 121                         QStringLiteral("peter.penz19@gmail.com"));
 122     aboutData.addAuthor(i18nc("@info:credit", "Sebastian Trüg"), i18nc("@info:credit", "Developer"), QStringLiteral("trueg@kde.org"));
 123     aboutData.addAuthor(i18nc("@info:credit", "David Faure"), i18nc("@info:credit", "Developer"), QStringLiteral("faure@kde.org"));
 124     aboutData.addAuthor(i18nc("@info:credit", "Aaron J. Seigo"), i18nc("@info:credit", "Developer"), QStringLiteral("aseigo@kde.org"));
 125     aboutData.addAuthor(i18nc("@info:credit", "Rafael Fernández López"), i18nc("@info:credit", "Developer"), QStringLiteral("ereslibre@kde.org"));
 126     aboutData.addAuthor(i18nc("@info:credit", "Kevin Ottens"), i18nc("@info:credit", "Developer"), QStringLiteral("ervin@kde.org"));
 127     aboutData.addAuthor(i18nc("@info:credit", "Holger Freyther"), i18nc("@info:credit", "Developer"), QStringLiteral("freyther@gmx.net"));
 128     aboutData.addAuthor(i18nc("@info:credit", "Max Blazejak"), i18nc("@info:credit", "Developer"), QStringLiteral("m43ksrocks@gmail.com"));
 129     aboutData.addAuthor(i18nc("@info:credit", "Michael Austin"), i18nc("@info:credit", "Documentation"), QStringLiteral("tuxedup@users.sourceforge.net"));
 130
 131     KAboutData::setApplicationData(aboutData);
 132
 133     QCommandLineParser parser;
 134     aboutData.setupCommandLine(&parser);
 135
 136     // command line options
 137     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("select"),
 138                                         i18nc("@info:shell",
 139                                               "The files and folders passed as arguments "
 140                                               "will be selected.")));
 141     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("split"), i18nc("@info:shell", "Dolphin will get started with a split view.")));
 142     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("new-window"), i18nc("@info:shell", "Dolphin will explicitly open in a new window.")));
 143     parser.addOption(
 144         QCommandLineOption(QStringList() << QStringLiteral("daemon"), i18nc("@info:shell", "Start Dolphin Daemon (only required for DBus Interface).")));
 145     parser.addPositionalArgument(QStringLiteral("+[Url]"), i18nc("@info:shell", "Document to open"));
 146
 147     parser.process(app);
 148     aboutData.processCommandLine(&parser);
 149
 150     const bool splitView = parser.isSet(QStringLiteral("split")) || GeneralSettings::splitView();
 151     const bool openFiles = parser.isSet(QStringLiteral("select"));
 152     const QStringList args = parser.positionalArguments();
 153     QList<QUrl> urls = Dolphin::validateUris(args);
 154     // We later mutate urls, so we need to store if it was empty originally
 155     const bool startedWithURLs = !urls.isEmpty();
 156
 157     if (parser.isSet(QStringLiteral("daemon"))) {
 158         // Disable session management for the daemonized version
 159         // See https://bugs.kde.org/show_bug.cgi?id=417219
 160         auto disableSessionManagement = [](QSessionManager &sm) {
 161             sm.setRestartHint(QSessionManager::RestartNever);
 162         };
 163         QObject::connect(&app, &QGuiApplication::commitDataRequest, disableSessionManagement);
 164         QObject::connect(&app, &QGuiApplication::saveStateRequest, disableSessionManagement);
 165
 166 #ifdef FLATPAK
 167         KDBusService dolphinDBusService(KDBusService::NoExitOnFailure);
 168 #else
 169         KDBusService dolphinDBusService;
 170 #endif
 171         DBusInterface interface;
 172         interface.setAsDaemon();
 173         return app.exec();
 174     }
 175
 176     if (!parser.isSet(QStringLiteral("new-window"))) {
 177         QString token;
 178         if (KWindowSystem::isPlatformWayland()) {
 179             token = qEnvironmentVariable("XDG_ACTIVATION_TOKEN");
 180             qunsetenv("XDG_ACTIVATION_TOKEN");
 181         } else if (KWindowSystem::isPlatformX11()) {
 182 #if HAVE_X11
 183             token = QX11Info::nextStartupId();
 184 #endif
 185         }
 186
 187         if (Dolphin::attachToExistingInstance(urls, openFiles, splitView, QString(), token)) {
 188             // Successfully attached to existing instance of Dolphin
 189             return 0;
 190         }
 191     }
 192
 193     if (!startedWithURLs) {
 194         // We need at least one URL to open Dolphin
 195         urls.append(Dolphin::homeUrl());
 196     }
 197
 198     if (splitView && urls.size() < 2) {
 199         // Split view does only make sense if we have at least 2 URLs
 200         urls.append(urls.last());
 201     }
 202
 203     DolphinMainWindow *mainWindow = new DolphinMainWindow();
 204
 205     if (openFiles) {
 206         mainWindow->openFiles(urls, splitView);
 207     } else {
 208         mainWindow->openDirectories(urls, splitView);
 209     }
 210
 211     mainWindow->show();
 212
 213     // Allow starting Dolphin on a system that is not running DBus:
 214     KDBusService::StartupOptions serviceOptions = KDBusService::Multiple;
 215     if (!QDBusConnection::sessionBus().isConnected()) {
 216         serviceOptions |= KDBusService::NoExitOnFailure;
 217     }
 218     KDBusService dolphinDBusService(serviceOptions);
 219     DBusInterface interface;
 220
 221     if (!app.isSessionRestored()) {
 222         KConfigGui::setSessionConfig(QStringLiteral("dolphin"), QStringLiteral("dolphin"));
 223     }
 224
 225     // Only restore session if:
 226     // 1. Not explicitly opening a new instance
 227     // 2. The "remember state" setting is enabled or session restoration after
 228     //    reboot is in use
 229     // 3. There is a session available to restore
 230     if (!parser.isSet(QStringLiteral("new-window")) && (app.isSessionRestored() || GeneralSettings::rememberOpenedTabs())) {
 231         // Get saved state data for the last-closed Dolphin instance
 232         const QString serviceName = QStringLiteral("org.kde.dolphin-%1").arg(QCoreApplication::applicationPid());
 233         if (Dolphin::dolphinGuiInstances(serviceName).size() > 0) {
 234             const QString className = KXmlGuiWindow::classNameOfToplevel(1);
 235             if (className == QLatin1String("DolphinMainWindow")) {
 236                 mainWindow->restore(1);
 237                 // If the user passed any URLs to Dolphin, open those in the
 238                 // window after session-restoring it
 239                 if (startedWithURLs) {
 240                     if (openFiles) {
 241                         mainWindow->openFiles(urls, splitView);
 242                     } else {
 243                         mainWindow->openDirectories(urls, splitView);
 244                     }
 245                 }
 246             } else {
 247                 qCWarning(DolphinDebug) << "Unknown class " << className << " in session saved data!";
 248             }
 249         }
 250     }
 251
 252     mainWindow->setSessionAutoSaveEnabled(GeneralSettings::rememberOpenedTabs());
 253
 254 #if HAVE_KUSERFEEDBACK
 255     auto feedbackProvider = DolphinFeedbackProvider::instance();
 256     Q_UNUSED(feedbackProvider)
 257 #endif
 258
 259     return app.exec(); // krazy:exclude=crash;
 260 }