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 "admin/workerintegration.h"
  10 #include "config-dolphin.h"
  11 #include "dbusinterface.h"
  12 #include "dolphin_generalsettings.h"
  13 #include "dolphin_version.h"
  14 #include "dolphindebug.h"
  15 #include "dolphinmainwindow.h"
  16 #include "global.h"
  17 #if HAVE_KUSERFEEDBACK
  18 #include "userfeedback/dolphinfeedbackprovider.h"
  19 #endif
  20
  21 #include <KAboutData>
  22 #include <KConfigGui>
  23 #include <KCrash>
  24 #include <KDBusService>
  25 #include <KIO/PreviewJob>
  26 #include <KIconTheme>
  27 #include <KLocalizedString>
  28 #include <KWindowSystem>
  29
  30 #define HAVE_STYLE_MANAGER __has_include(<KStyleManager>)
  31 #if HAVE_STYLE_MANAGER
  32 #include <KStyleManager>
  33 #endif
  34
  35 #include <QApplication>
  36 #include <QCommandLineParser>
  37 #include <QDBusConnection>
  38 #include <QDBusConnectionInterface>
  39 #include <QSessionManager>
  40
  41 #if HAVE_X11
  42 #include <private/qtx11extras_p.h>
  43 #endif
  44
  45 #ifndef Q_OS_WIN
  46 #include <unistd.h>
  47 #endif
  48 #include <iostream>
  49
  50 constexpr auto dolphinTranslationDomain{"dolphin"};
  51
  52 int main(int argc, char **argv)
  53 {
  54 #ifndef Q_OS_WIN
  55     // Prohibit using sudo or kdesu (but allow using the root user directly)
  56     if (getuid() == 0 && (!qEnvironmentVariableIsEmpty("SUDO_USER") || !qEnvironmentVariableIsEmpty("KDESU_USER"))) {
  57         QCoreApplication app(argc, argv); // Needed for the xi18ndc() call below.
  58         std::cout << qPrintable(
  59             xi18ndc(dolphinTranslationDomain,
  60                     "@info:shell %1 is a terminal command",
  61                     "Running <application>Dolphin</application> with <command>sudo</command> is discouraged. Please run <icode>%1</icode> instead.",
  62                     QStringLiteral("dolphin --sudo")))
  63                   << std::endl;
  64         // We could perform a privilege de-escalation here and continue as normal. It is a bit safer though to simply let the user restart without sudo.
  65         return EXIT_FAILURE;
  66     }
  67 #endif
  68
  69     /**
  70      * trigger initialisation of proper icon theme
  71      */
  72 #if KICONTHEMES_VERSION >= QT_VERSION_CHECK(6, 3, 0)
  73     KIconTheme::initTheme();
  74 #endif
  75
  76     QApplication app(argc, argv);
  77     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("system-file-manager"), app.windowIcon()));
  78
  79 #if HAVE_STYLE_MANAGER
  80     /**
  81      * trigger initialisation of proper application style
  82      */
  83     KStyleManager::initStyle();
  84 #else
  85     /**
  86      * For Windows and macOS: use Breeze if available
  87      * Of all tested styles that works the best for us
  88      */
  89 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
  90     QApplication::setStyle(QStringLiteral("breeze"));
  91 #endif
  92 #endif
  93
  94     KLocalizedString::setApplicationDomain(dolphinTranslationDomain);
  95
  96     KAboutData aboutData(QStringLiteral("dolphin"),
  97                          i18n("Dolphin"),
  98                          QStringLiteral(DOLPHIN_VERSION_STRING),
  99                          i18nc("@title", "File Manager"),
 100                          KAboutLicense::GPL,
 101                          i18nc("@info:credit", "(C) 2006-2022 The Dolphin Developers"));
 102     aboutData.setHomepage(QStringLiteral("https://apps.kde.org/dolphin"));
 103     aboutData.addAuthor(i18nc("@info:credit", "Felix Ernst"),
 104                         i18nc("@info:credit", "Maintainer (since 2021) and developer"),
 105                         QStringLiteral("felixernst@kde.org"));
 106     aboutData.addAuthor(i18nc("@info:credit", "Méven Car"),
 107                         i18nc("@info:credit", "Maintainer (since 2021) and developer (since 2019)"),
 108                         QStringLiteral("meven@kde.org"));
 109     aboutData.addAuthor(i18nc("@info:credit", "Elvis Angelaccio"),
 110                         i18nc("@info:credit", "Maintainer (2018-2021) and developer"),
 111                         QStringLiteral("elvis.angelaccio@kde.org"));
 112     aboutData.addAuthor(i18nc("@info:credit", "Emmanuel Pescosta"),
 113                         i18nc("@info:credit", "Maintainer (2014-2018) and developer"),
 114                         QStringLiteral("emmanuelpescosta099@gmail.com"));
 115     aboutData.addAuthor(i18nc("@info:credit", "Frank Reininghaus"),
 116                         i18nc("@info:credit", "Maintainer (2012-2014) and developer"),
 117                         QStringLiteral("frank78ac@googlemail.com"));
 118     aboutData.addAuthor(i18nc("@info:credit", "Peter Penz"),
 119                         i18nc("@info:credit", "Maintainer and developer (2006-2012)"),
 120                         QStringLiteral("peter.penz19@gmail.com"));
 121     aboutData.addAuthor(i18nc("@info:credit", "Sebastian Trüg"), i18nc("@info:credit", "Developer"), QStringLiteral("trueg@kde.org"));
 122     aboutData.addAuthor(i18nc("@info:credit", "David Faure"), i18nc("@info:credit", "Developer"), QStringLiteral("faure@kde.org"));
 123     aboutData.addAuthor(i18nc("@info:credit", "Aaron J. Seigo"), i18nc("@info:credit", "Developer"), QStringLiteral("aseigo@kde.org"));
 124     aboutData.addAuthor(i18nc("@info:credit", "Rafael Fernández López"), i18nc("@info:credit", "Developer"), QStringLiteral("ereslibre@kde.org"));
 125     aboutData.addAuthor(i18nc("@info:credit", "Kevin Ottens"), i18nc("@info:credit", "Developer"), QStringLiteral("ervin@kde.org"));
 126     aboutData.addAuthor(i18nc("@info:credit", "Holger Freyther"), i18nc("@info:credit", "Developer"), QStringLiteral("freyther@gmx.net"));
 127     aboutData.addAuthor(i18nc("@info:credit", "Max Blazejak"), i18nc("@info:credit", "Developer"), QStringLiteral("m43ksrocks@gmail.com"));
 128     aboutData.addAuthor(i18nc("@info:credit", "Michael Austin"), i18nc("@info:credit", "Documentation"), QStringLiteral("tuxedup@users.sourceforge.net"));
 129
 130     KAboutData::setApplicationData(aboutData);
 131     KCrash::initialize();
 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(QCommandLineOption(QStringList() << QStringLiteral("sudo") << QStringLiteral("admin"),
 144                                         i18nc("@info:shell", "Set up Dolphin for administrative tasks.")));
 145     parser.addOption(
 146         QCommandLineOption(QStringList() << QStringLiteral("daemon"), i18nc("@info:shell", "Start Dolphin Daemon (only required for DBus Interface).")));
 147     parser.addPositionalArgument(QStringLiteral("+[Url]"), i18nc("@info:shell", "Document to open"));
 148
 149     parser.process(app);
 150     aboutData.processCommandLine(&parser);
 151
 152     const bool splitView = parser.isSet(QStringLiteral("split")) || GeneralSettings::splitView();
 153     const bool openFiles = parser.isSet(QStringLiteral("select"));
 154     const bool adminWorkerInfoWanted = parser.isSet(QStringLiteral("sudo")) || parser.isSet(QStringLiteral("admin"));
 155     const QStringList args = parser.positionalArguments();
 156     QList<QUrl> urls = Dolphin::validateUris(args);
 157     // We later mutate urls, so we need to store if it was empty originally
 158     const bool startedWithURLs = !urls.isEmpty();
 159
 160     if (adminWorkerInfoWanted || std::any_of(urls.cbegin(), urls.cend(), [](const QUrl &url) {
 161             return url.scheme() == QStringLiteral("admin");
 162         })) {
 163         Admin::guideUserTowardsInstallingAdminWorker();
 164     }
 165
 166     if (parser.isSet(QStringLiteral("daemon"))) {
 167         // Disable session management for the daemonized version
 168         // See https://bugs.kde.org/show_bug.cgi?id=417219
 169         auto disableSessionManagement = [](QSessionManager &sm) {
 170             sm.setRestartHint(QSessionManager::RestartNever);
 171         };
 172         QObject::connect(&app, &QGuiApplication::commitDataRequest, disableSessionManagement);
 173         QObject::connect(&app, &QGuiApplication::saveStateRequest, disableSessionManagement);
 174
 175 #ifdef FLATPAK
 176         KDBusService dolphinDBusService(KDBusService::NoExitOnFailure);
 177 #else
 178         KDBusService dolphinDBusService;
 179 #endif
 180         DBusInterface interface;
 181         interface.setAsDaemon();
 182         return app.exec();
 183     }
 184
 185     if (!parser.isSet(QStringLiteral("new-window"))) {
 186         QString token;
 187         if (KWindowSystem::isPlatformWayland()) {
 188             token = qEnvironmentVariable("XDG_ACTIVATION_TOKEN");
 189             qunsetenv("XDG_ACTIVATION_TOKEN");
 190         } else if (KWindowSystem::isPlatformX11()) {
 191 #if HAVE_X11
 192             token = QX11Info::nextStartupId();
 193 #endif
 194         }
 195
 196         if (Dolphin::attachToExistingInstance(urls, openFiles, splitView, QString(), token)) {
 197             // Successfully attached to existing instance of Dolphin
 198             return 0;
 199         }
 200     }
 201
 202     if (!startedWithURLs) {
 203         // We need at least one URL to open Dolphin
 204         urls.append(Dolphin::homeUrl());
 205     }
 206
 207     if (splitView && urls.size() < 2) {
 208         // Split view does only make sense if we have at least 2 URLs
 209         urls.append(urls.last());
 210     }
 211
 212     DolphinMainWindow *mainWindow = new DolphinMainWindow();
 213
 214     if (openFiles) {
 215         mainWindow->openFiles(urls, splitView);
 216     } else {
 217         mainWindow->openDirectories(urls, splitView);
 218     }
 219
 220     mainWindow->show();
 221
 222     // Allow starting Dolphin on a system that is not running DBus:
 223     KDBusService::StartupOptions serviceOptions = KDBusService::Multiple;
 224     if (!QDBusConnection::sessionBus().isConnected()) {
 225         serviceOptions |= KDBusService::NoExitOnFailure;
 226     }
 227     KDBusService dolphinDBusService(serviceOptions);
 228     DBusInterface interface;
 229
 230     if (!app.isSessionRestored()) {
 231         KConfigGui::setSessionConfig(QStringLiteral("dolphin"), QStringLiteral("dolphin"));
 232     }
 233
 234     // Only restore session if:
 235     // 1. Not explicitly opening a new instance
 236     // 2. The "remember state" setting is enabled or session restoration after
 237     //    reboot is in use
 238     // 3. There is a session available to restore
 239     if (!parser.isSet(QStringLiteral("new-window")) && (app.isSessionRestored() || GeneralSettings::rememberOpenedTabs())) {
 240         // Get saved state data for the last-closed Dolphin instance
 241         const QString serviceName = QStringLiteral("org.kde.dolphin-%1").arg(QCoreApplication::applicationPid());
 242         if (Dolphin::dolphinGuiInstances(serviceName).size() > 0) {
 243             const QString className = KXmlGuiWindow::classNameOfToplevel(1);
 244             if (className == QLatin1String("DolphinMainWindow")) {
 245                 mainWindow->restore(1);
 246                 // If the user passed any URLs to Dolphin, open those in the
 247                 // window after session-restoring it
 248                 if (startedWithURLs) {
 249                     if (openFiles) {
 250                         mainWindow->openFiles(urls, splitView);
 251                     } else {
 252                         mainWindow->openDirectories(urls, splitView);
 253                     }
 254                 }
 255             } else {
 256                 qCWarning(DolphinDebug) << "Unknown class " << className << " in session saved data!";
 257             }
 258         }
 259     }
 260
 261     mainWindow->setSessionAutoSaveEnabled(GeneralSettings::rememberOpenedTabs());
 262
 263     if (adminWorkerInfoWanted) {
 264         Admin::guideUserTowardsUsingAdminWorker();
 265     }
 266
 267 #if HAVE_KUSERFEEDBACK
 268     auto feedbackProvider = DolphinFeedbackProvider::instance();
 269     Q_UNUSED(feedbackProvider)
 270 #endif
 271
 272     return app.exec(); // krazy:exclude=crash;
 273 }