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 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  31 #include <Kdelibs4ConfigMigrator>
  32 #endif
  33
  34 #define HAVE_STYLE_MANAGER __has_include(<KStyleManager>)
  35 #if HAVE_STYLE_MANAGER
  36 #include <KStyleManager>
  37 #endif
  38
  39 #include <QApplication>
  40 #include <QCommandLineParser>
  41 #include <QDBusConnection>
  42 #include <QDBusConnectionInterface>
  43 #include <QSessionManager>
  44
  45 #if HAVE_X11
  46 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
  47 #include <private/qtx11extras_p.h>
  48 #else
  49 #include <QX11Info>
  50 #endif
  51 #endif
  52
  53 #ifndef Q_OS_WIN
  54 #include <unistd.h>
  55 #endif
  56 #include <iostream>
  57
  58 constexpr auto dolphinTranslationDomain{"dolphin"};
  59
  60 int main(int argc, char **argv)
  61 {
  62 #ifndef Q_OS_WIN
  63     // Prohibit using sudo or kdesu (but allow using the root user directly)
  64     if (getuid() == 0 && (!qEnvironmentVariableIsEmpty("SUDO_USER") || !qEnvironmentVariableIsEmpty("KDESU_USER"))) {
  65         QCoreApplication app(argc, argv); // Needed for the xi18ndc() call below.
  66         std::cout << qPrintable(
  67             xi18ndc(dolphinTranslationDomain,
  68                     "@info:shell %1 is a terminal command",
  69                     "Running <application>Dolphin</application> with <command>sudo</command> is discouraged. Please run <icode>%1</icode> instead.",
  70                     QStringLiteral("dolphin --sudo")))
  71                   << std::endl;
  72         // 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.
  73         return EXIT_FAILURE;
  74     }
  75 #endif
  76
  77     /**
  78      * trigger initialisation of proper icon theme
  79      */
  80 #if KICONTHEMES_VERSION >= QT_VERSION_CHECK(6, 3, 0)
  81     KIconTheme::initTheme();
  82 #endif
  83
  84     /**
  85      * enable high dpi support
  86      */
  87 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  88     QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
  89     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
  90 #endif
  91     QApplication app(argc, argv);
  92     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("system-file-manager"), app.windowIcon()));
  93
  94 #if HAVE_STYLE_MANAGER
  95     /**
  96      * trigger initialisation of proper application style
  97      */
  98     KStyleManager::initStyle();
  99 #else
 100     /**
 101      * For Windows and macOS: use Breeze if available
 102      * Of all tested styles that works the best for us
 103      */
 104 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
 105     QApplication::setStyle(QStringLiteral("breeze"));
 106 #endif
 107 #endif
 108
 109     KCrash::initialize();
 110
 111 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 112     Kdelibs4ConfigMigrator migrate(QStringLiteral("dolphin"));
 113     migrate.setConfigFiles(QStringList() << QStringLiteral("dolphinrc"));
 114     migrate.setUiFiles(QStringList() << QStringLiteral("dolphinpart.rc") << QStringLiteral("dolphinui.rc"));
 115     migrate.migrate();
 116 #endif
 117
 118     KLocalizedString::setApplicationDomain(dolphinTranslationDomain);
 119
 120     KAboutData aboutData(QStringLiteral("dolphin"),
 121                          i18n("Dolphin"),
 122                          QStringLiteral(DOLPHIN_VERSION_STRING),
 123                          i18nc("@title", "File Manager"),
 124                          KAboutLicense::GPL,
 125                          i18nc("@info:credit", "(C) 2006-2022 The Dolphin Developers"));
 126     aboutData.setHomepage(QStringLiteral("https://apps.kde.org/dolphin"));
 127     aboutData.addAuthor(i18nc("@info:credit", "Felix Ernst"),
 128                         i18nc("@info:credit", "Maintainer (since 2021) and developer"),
 129                         QStringLiteral("felixernst@kde.org"));
 130     aboutData.addAuthor(i18nc("@info:credit", "Méven Car"),
 131                         i18nc("@info:credit", "Maintainer (since 2021) and developer (since 2019)"),
 132                         QStringLiteral("meven@kde.org"));
 133     aboutData.addAuthor(i18nc("@info:credit", "Elvis Angelaccio"),
 134                         i18nc("@info:credit", "Maintainer (2018-2021) and developer"),
 135                         QStringLiteral("elvis.angelaccio@kde.org"));
 136     aboutData.addAuthor(i18nc("@info:credit", "Emmanuel Pescosta"),
 137                         i18nc("@info:credit", "Maintainer (2014-2018) and developer"),
 138                         QStringLiteral("emmanuelpescosta099@gmail.com"));
 139     aboutData.addAuthor(i18nc("@info:credit", "Frank Reininghaus"),
 140                         i18nc("@info:credit", "Maintainer (2012-2014) and developer"),
 141                         QStringLiteral("frank78ac@googlemail.com"));
 142     aboutData.addAuthor(i18nc("@info:credit", "Peter Penz"),
 143                         i18nc("@info:credit", "Maintainer and developer (2006-2012)"),
 144                         QStringLiteral("peter.penz19@gmail.com"));
 145     aboutData.addAuthor(i18nc("@info:credit", "Sebastian Trüg"), i18nc("@info:credit", "Developer"), QStringLiteral("trueg@kde.org"));
 146     aboutData.addAuthor(i18nc("@info:credit", "David Faure"), i18nc("@info:credit", "Developer"), QStringLiteral("faure@kde.org"));
 147     aboutData.addAuthor(i18nc("@info:credit", "Aaron J. Seigo"), i18nc("@info:credit", "Developer"), QStringLiteral("aseigo@kde.org"));
 148     aboutData.addAuthor(i18nc("@info:credit", "Rafael Fernández López"), i18nc("@info:credit", "Developer"), QStringLiteral("ereslibre@kde.org"));
 149     aboutData.addAuthor(i18nc("@info:credit", "Kevin Ottens"), i18nc("@info:credit", "Developer"), QStringLiteral("ervin@kde.org"));
 150     aboutData.addAuthor(i18nc("@info:credit", "Holger Freyther"), i18nc("@info:credit", "Developer"), QStringLiteral("freyther@gmx.net"));
 151     aboutData.addAuthor(i18nc("@info:credit", "Max Blazejak"), i18nc("@info:credit", "Developer"), QStringLiteral("m43ksrocks@gmail.com"));
 152     aboutData.addAuthor(i18nc("@info:credit", "Michael Austin"), i18nc("@info:credit", "Documentation"), QStringLiteral("tuxedup@users.sourceforge.net"));
 153
 154     KAboutData::setApplicationData(aboutData);
 155
 156     QCommandLineParser parser;
 157     aboutData.setupCommandLine(&parser);
 158
 159     // command line options
 160     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("select"),
 161                                         i18nc("@info:shell",
 162                                               "The files and folders passed as arguments "
 163                                               "will be selected.")));
 164     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("split"), i18nc("@info:shell", "Dolphin will get started with a split view.")));
 165     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("new-window"), i18nc("@info:shell", "Dolphin will explicitly open in a new window.")));
 166     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("sudo") << QStringLiteral("admin"),
 167                                         i18nc("@info:shell", "Set up Dolphin for administrative tasks.")));
 168     parser.addOption(
 169         QCommandLineOption(QStringList() << QStringLiteral("daemon"), i18nc("@info:shell", "Start Dolphin Daemon (only required for DBus Interface).")));
 170     parser.addPositionalArgument(QStringLiteral("+[Url]"), i18nc("@info:shell", "Document to open"));
 171
 172     parser.process(app);
 173     aboutData.processCommandLine(&parser);
 174
 175     const bool splitView = parser.isSet(QStringLiteral("split")) || GeneralSettings::splitView();
 176     const bool openFiles = parser.isSet(QStringLiteral("select"));
 177     const bool adminWorkerInfoWanted = parser.isSet(QStringLiteral("sudo")) || parser.isSet(QStringLiteral("admin"));
 178     const QStringList args = parser.positionalArguments();
 179     QList<QUrl> urls = Dolphin::validateUris(args);
 180     // We later mutate urls, so we need to store if it was empty originally
 181     const bool startedWithURLs = !urls.isEmpty();
 182
 183     if (adminWorkerInfoWanted || std::any_of(urls.cbegin(), urls.cend(), [](const QUrl &url) {
 184             return url.scheme() == QStringLiteral("admin");
 185         })) {
 186         Admin::guideUserTowardsInstallingAdminWorker();
 187     }
 188
 189     if (parser.isSet(QStringLiteral("daemon"))) {
 190         // Disable session management for the daemonized version
 191         // See https://bugs.kde.org/show_bug.cgi?id=417219
 192         auto disableSessionManagement = [](QSessionManager &sm) {
 193             sm.setRestartHint(QSessionManager::RestartNever);
 194         };
 195         QObject::connect(&app, &QGuiApplication::commitDataRequest, disableSessionManagement);
 196         QObject::connect(&app, &QGuiApplication::saveStateRequest, disableSessionManagement);
 197
 198 #ifdef FLATPAK
 199         KDBusService dolphinDBusService(KDBusService::NoExitOnFailure);
 200 #else
 201         KDBusService dolphinDBusService;
 202 #endif
 203         DBusInterface interface;
 204         interface.setAsDaemon();
 205         return app.exec();
 206     }
 207
 208     if (!parser.isSet(QStringLiteral("new-window"))) {
 209         QString token;
 210         if (KWindowSystem::isPlatformWayland()) {
 211             token = qEnvironmentVariable("XDG_ACTIVATION_TOKEN");
 212             qunsetenv("XDG_ACTIVATION_TOKEN");
 213         } else if (KWindowSystem::isPlatformX11()) {
 214 #if HAVE_X11
 215             token = QX11Info::nextStartupId();
 216 #endif
 217         }
 218
 219         if (Dolphin::attachToExistingInstance(urls, openFiles, splitView, QString(), token)) {
 220             // Successfully attached to existing instance of Dolphin
 221             return 0;
 222         }
 223     }
 224
 225     if (!startedWithURLs) {
 226         // We need at least one URL to open Dolphin
 227         urls.append(Dolphin::homeUrl());
 228     }
 229
 230     if (splitView && urls.size() < 2) {
 231         // Split view does only make sense if we have at least 2 URLs
 232         urls.append(urls.last());
 233     }
 234
 235     DolphinMainWindow *mainWindow = new DolphinMainWindow();
 236
 237     if (openFiles) {
 238         mainWindow->openFiles(urls, splitView);
 239     } else {
 240         mainWindow->openDirectories(urls, splitView);
 241     }
 242
 243     mainWindow->show();
 244
 245     // Allow starting Dolphin on a system that is not running DBus:
 246     KDBusService::StartupOptions serviceOptions = KDBusService::Multiple;
 247     if (!QDBusConnection::sessionBus().isConnected()) {
 248         serviceOptions |= KDBusService::NoExitOnFailure;
 249     }
 250     KDBusService dolphinDBusService(serviceOptions);
 251     DBusInterface interface;
 252
 253     if (!app.isSessionRestored()) {
 254         KConfigGui::setSessionConfig(QStringLiteral("dolphin"), QStringLiteral("dolphin"));
 255     }
 256
 257     // Only restore session if:
 258     // 1. Not explicitly opening a new instance
 259     // 2. The "remember state" setting is enabled or session restoration after
 260     //    reboot is in use
 261     // 3. There is a session available to restore
 262     if (!parser.isSet(QStringLiteral("new-window")) && (app.isSessionRestored() || GeneralSettings::rememberOpenedTabs())) {
 263         // Get saved state data for the last-closed Dolphin instance
 264         const QString serviceName = QStringLiteral("org.kde.dolphin-%1").arg(QCoreApplication::applicationPid());
 265         if (Dolphin::dolphinGuiInstances(serviceName).size() > 0) {
 266             const QString className = KXmlGuiWindow::classNameOfToplevel(1);
 267             if (className == QLatin1String("DolphinMainWindow")) {
 268                 mainWindow->restore(1);
 269                 // If the user passed any URLs to Dolphin, open those in the
 270                 // window after session-restoring it
 271                 if (startedWithURLs) {
 272                     if (openFiles) {
 273                         mainWindow->openFiles(urls, splitView);
 274                     } else {
 275                         mainWindow->openDirectories(urls, splitView);
 276                     }
 277                 }
 278             } else {
 279                 qCWarning(DolphinDebug) << "Unknown class " << className << " in session saved data!";
 280             }
 281         }
 282     }
 283
 284     mainWindow->setSessionAutoSaveEnabled(GeneralSettings::rememberOpenedTabs());
 285
 286     if (adminWorkerInfoWanted) {
 287         Admin::guideUserTowardsUsingAdminWorker();
 288     }
 289
 290 #if HAVE_KUSERFEEDBACK
 291     auto feedbackProvider = DolphinFeedbackProvider::instance();
 292     Q_UNUSED(feedbackProvider)
 293 #endif
 294
 295     return app.exec(); // krazy:exclude=crash;
 296 }