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 <KIconTheme>
  26 #include <KLocalizedString>
  27 #include <KWindowSystem>
  28
  29 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  30 #include <Kdelibs4ConfigMigrator>
  31 #endif
  32
  33 #define HAVE_STYLE_MANAGER __has_include(<KStyleManager>)
  34 #if HAVE_STYLE_MANAGER
  35 #include <KStyleManager>
  36 #endif
  37
  38 #include <QApplication>
  39 #include <QCommandLineParser>
  40 #include <QDBusConnection>
  41 #include <QDBusConnectionInterface>
  42 #include <QSessionManager>
  43
  44 #if HAVE_X11
  45 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
  46 #include <private/qtx11extras_p.h>
  47 #else
  48 #include <QX11Info>
  49 #endif
  50 #endif
  51
  52 #ifndef Q_OS_WIN
  53 #include <unistd.h>
  54 #endif
  55 #include <iostream>
  56
  57 int main(int argc, char **argv)
  58 {
  59 #ifndef Q_OS_WIN
  60     // Prohibit using sudo or kdesu (but allow using the root user directly)
  61     if (getuid() == 0) {
  62         if (!qEnvironmentVariableIsEmpty("SUDO_USER")) {
  63             std::cout << "Running Dolphin with sudo 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         } else if (!qEnvironmentVariableIsEmpty("KDESU_USER")) {
  69             std::cout << "Running Dolphin with kdesu is not supported as it can cause bugs and expose you to security vulnerabilities. Instead, install the "
  70                          "`kio-admin` package from your distro and use it to manage root-owned locations by right-clicking on them and selecting \"Open as "
  71                          "Administrator\"."
  72                       << std::endl;
  73             return EXIT_FAILURE;
  74         }
  75     }
  76 #endif
  77
  78     /**
  79      * trigger initialisation of proper icon theme
  80      */
  81 #if KICONTHEMES_VERSION >= QT_VERSION_CHECK(6, 3, 0)
  82     KIconTheme::initTheme();
  83 #endif
  84
  85     /**
  86      * enable high dpi support
  87      */
  88 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  89     QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
  90     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
  91 #endif
  92     QApplication app(argc, argv);
  93     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("system-file-manager"), app.windowIcon()));
  94
  95 #if HAVE_STYLE_MANAGER
  96     /**
  97      * trigger initialisation of proper application style
  98      */
  99     KStyleManager::initStyle();
 100 #else
 101     /**
 102      * For Windows and macOS: use Breeze if available
 103      * Of all tested styles that works the best for us
 104      */
 105 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
 106     QApplication::setStyle(QStringLiteral("breeze"));
 107 #endif
 108 #endif
 109
 110     KCrash::initialize();
 111
 112 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 113     Kdelibs4ConfigMigrator migrate(QStringLiteral("dolphin"));
 114     migrate.setConfigFiles(QStringList() << QStringLiteral("dolphinrc"));
 115     migrate.setUiFiles(QStringList() << QStringLiteral("dolphinpart.rc") << QStringLiteral("dolphinui.rc"));
 116     migrate.migrate();
 117 #endif
 118
 119     KLocalizedString::setApplicationDomain("dolphin");
 120
 121     KAboutData aboutData(QStringLiteral("dolphin"),
 122                          i18n("Dolphin"),
 123                          QStringLiteral(DOLPHIN_VERSION_STRING),
 124                          i18nc("@title", "File Manager"),
 125                          KAboutLicense::GPL,
 126                          i18nc("@info:credit", "(C) 2006-2022 The Dolphin Developers"));
 127     aboutData.setHomepage(QStringLiteral("https://apps.kde.org/dolphin"));
 128     aboutData.addAuthor(i18nc("@info:credit", "Felix Ernst"),
 129                         i18nc("@info:credit", "Maintainer (since 2021) and developer"),
 130                         QStringLiteral("felixernst@kde.org"));
 131     aboutData.addAuthor(i18nc("@info:credit", "Méven Car"),
 132                         i18nc("@info:credit", "Maintainer (since 2021) and developer (since 2019)"),
 133                         QStringLiteral("meven@kde.org"));
 134     aboutData.addAuthor(i18nc("@info:credit", "Elvis Angelaccio"),
 135                         i18nc("@info:credit", "Maintainer (2018-2021) and developer"),
 136                         QStringLiteral("elvis.angelaccio@kde.org"));
 137     aboutData.addAuthor(i18nc("@info:credit", "Emmanuel Pescosta"),
 138                         i18nc("@info:credit", "Maintainer (2014-2018) and developer"),
 139                         QStringLiteral("emmanuelpescosta099@gmail.com"));
 140     aboutData.addAuthor(i18nc("@info:credit", "Frank Reininghaus"),
 141                         i18nc("@info:credit", "Maintainer (2012-2014) and developer"),
 142                         QStringLiteral("frank78ac@googlemail.com"));
 143     aboutData.addAuthor(i18nc("@info:credit", "Peter Penz"),
 144                         i18nc("@info:credit", "Maintainer and developer (2006-2012)"),
 145                         QStringLiteral("peter.penz19@gmail.com"));
 146     aboutData.addAuthor(i18nc("@info:credit", "Sebastian Trüg"), i18nc("@info:credit", "Developer"), QStringLiteral("trueg@kde.org"));
 147     aboutData.addAuthor(i18nc("@info:credit", "David Faure"), i18nc("@info:credit", "Developer"), QStringLiteral("faure@kde.org"));
 148     aboutData.addAuthor(i18nc("@info:credit", "Aaron J. Seigo"), i18nc("@info:credit", "Developer"), QStringLiteral("aseigo@kde.org"));
 149     aboutData.addAuthor(i18nc("@info:credit", "Rafael Fernández López"), i18nc("@info:credit", "Developer"), QStringLiteral("ereslibre@kde.org"));
 150     aboutData.addAuthor(i18nc("@info:credit", "Kevin Ottens"), i18nc("@info:credit", "Developer"), QStringLiteral("ervin@kde.org"));
 151     aboutData.addAuthor(i18nc("@info:credit", "Holger Freyther"), i18nc("@info:credit", "Developer"), QStringLiteral("freyther@gmx.net"));
 152     aboutData.addAuthor(i18nc("@info:credit", "Max Blazejak"), i18nc("@info:credit", "Developer"), QStringLiteral("m43ksrocks@gmail.com"));
 153     aboutData.addAuthor(i18nc("@info:credit", "Michael Austin"), i18nc("@info:credit", "Documentation"), QStringLiteral("tuxedup@users.sourceforge.net"));
 154
 155     KAboutData::setApplicationData(aboutData);
 156
 157     QCommandLineParser parser;
 158     aboutData.setupCommandLine(&parser);
 159
 160     // command line options
 161     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("select"),
 162                                         i18nc("@info:shell",
 163                                               "The files and folders passed as arguments "
 164                                               "will be selected.")));
 165     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("split"), i18nc("@info:shell", "Dolphin will get started with a split view.")));
 166     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("new-window"), i18nc("@info:shell", "Dolphin will explicitly open in a new window.")));
 167     parser.addOption(
 168         QCommandLineOption(QStringList() << QStringLiteral("daemon"), i18nc("@info:shell", "Start Dolphin Daemon (only required for DBus Interface).")));
 169     parser.addPositionalArgument(QStringLiteral("+[Url]"), i18nc("@info:shell", "Document to open"));
 170
 171     parser.process(app);
 172     aboutData.processCommandLine(&parser);
 173
 174     const bool splitView = parser.isSet(QStringLiteral("split")) || GeneralSettings::splitView();
 175     const bool openFiles = parser.isSet(QStringLiteral("select"));
 176     const QStringList args = parser.positionalArguments();
 177     QList<QUrl> urls = Dolphin::validateUris(args);
 178     // We later mutate urls, so we need to store if it was empty originally
 179     const bool startedWithURLs = !urls.isEmpty();
 180
 181     if (parser.isSet(QStringLiteral("daemon"))) {
 182         // Disable session management for the daemonized version
 183         // See https://bugs.kde.org/show_bug.cgi?id=417219
 184         auto disableSessionManagement = [](QSessionManager &sm) {
 185             sm.setRestartHint(QSessionManager::RestartNever);
 186         };
 187         QObject::connect(&app, &QGuiApplication::commitDataRequest, disableSessionManagement);
 188         QObject::connect(&app, &QGuiApplication::saveStateRequest, disableSessionManagement);
 189
 190 #ifdef FLATPAK
 191         KDBusService dolphinDBusService(KDBusService::NoExitOnFailure);
 192 #else
 193         KDBusService dolphinDBusService;
 194 #endif
 195         DBusInterface interface;
 196         interface.setAsDaemon();
 197         return app.exec();
 198     }
 199
 200     if (!parser.isSet(QStringLiteral("new-window"))) {
 201         QString token;
 202         if (KWindowSystem::isPlatformWayland()) {
 203             token = qEnvironmentVariable("XDG_ACTIVATION_TOKEN");
 204             qunsetenv("XDG_ACTIVATION_TOKEN");
 205         } else if (KWindowSystem::isPlatformX11()) {
 206 #if HAVE_X11
 207             token = QX11Info::nextStartupId();
 208 #endif
 209         }
 210
 211         if (Dolphin::attachToExistingInstance(urls, openFiles, splitView, QString(), token)) {
 212             // Successfully attached to existing instance of Dolphin
 213             return 0;
 214         }
 215     }
 216
 217     if (!startedWithURLs) {
 218         // We need at least one URL to open Dolphin
 219         urls.append(Dolphin::homeUrl());
 220     }
 221
 222     if (splitView && urls.size() < 2) {
 223         // Split view does only make sense if we have at least 2 URLs
 224         urls.append(urls.last());
 225     }
 226
 227     DolphinMainWindow *mainWindow = new DolphinMainWindow();
 228
 229     if (openFiles) {
 230         mainWindow->openFiles(urls, splitView);
 231     } else {
 232         mainWindow->openDirectories(urls, splitView);
 233     }
 234
 235     mainWindow->show();
 236
 237     // Allow starting Dolphin on a system that is not running DBus:
 238     KDBusService::StartupOptions serviceOptions = KDBusService::Multiple;
 239     if (!QDBusConnection::sessionBus().isConnected()) {
 240         serviceOptions |= KDBusService::NoExitOnFailure;
 241     }
 242     KDBusService dolphinDBusService(serviceOptions);
 243     DBusInterface interface;
 244
 245     if (!app.isSessionRestored()) {
 246         KConfigGui::setSessionConfig(QStringLiteral("dolphin"), QStringLiteral("dolphin"));
 247     }
 248
 249     // Only restore session if:
 250     // 1. Not explicitly opening a new instance
 251     // 2. The "remember state" setting is enabled or session restoration after
 252     //    reboot is in use
 253     // 3. There is a session available to restore
 254     if (!parser.isSet(QStringLiteral("new-window")) && (app.isSessionRestored() || GeneralSettings::rememberOpenedTabs())) {
 255         // Get saved state data for the last-closed Dolphin instance
 256         const QString serviceName = QStringLiteral("org.kde.dolphin-%1").arg(QCoreApplication::applicationPid());
 257         if (Dolphin::dolphinGuiInstances(serviceName).size() > 0) {
 258             const QString className = KXmlGuiWindow::classNameOfToplevel(1);
 259             if (className == QLatin1String("DolphinMainWindow")) {
 260                 mainWindow->restore(1);
 261                 // If the user passed any URLs to Dolphin, open those in the
 262                 // window after session-restoring it
 263                 if (startedWithURLs) {
 264                     if (openFiles) {
 265                         mainWindow->openFiles(urls, splitView);
 266                     } else {
 267                         mainWindow->openDirectories(urls, splitView);
 268                     }
 269                 }
 270             } else {
 271                 qCWarning(DolphinDebug) << "Unknown class " << className << " in session saved data!";
 272             }
 273         }
 274     }
 275
 276     mainWindow->setSessionAutoSaveEnabled(GeneralSettings::rememberOpenedTabs());
 277
 278 #if HAVE_KUSERFEEDBACK
 279     auto feedbackProvider = DolphinFeedbackProvider::instance();
 280     Q_UNUSED(feedbackProvider)
 281 #endif
 282
 283     return app.exec(); // krazy:exclude=crash;
 284 }