src/GUI/QtLauncher.cxx

   1 // QtLauncher.cxx - GUI launcher dialog using Qt5
   2 //
   3 // Written by James Turner, started December 2014.
   4 //
   5 // Copyright (C) 2014 James Turner <zakalawe@mac.com>
   6 //
   7 // This program is free software; you can redistribute it and/or
   8 // modify it under the terms of the GNU General Public License as
   9 // published by the Free Software Foundation; either version 2 of the
  10 // License, or (at your option) any later version.
  11 //
  12 // This program is distributed in the hope that it will be useful, but
  13 // WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 // General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License
  18 // along with this program; if not, write to the Free Software
  19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20
  21 #include "QtLauncher.hxx"
  22 #include "QtLauncher_private.hxx"
  23
  24 #include <locale.h>
  25
  26 // Qt
  27 #include <QProgressDialog>
  28 #include <QCoreApplication>
  29 #include <QAbstractListModel>
  30 #include <QDir>
  31 #include <QFileInfo>
  32 #include <QPixmap>
  33 #include <QTimer>
  34 #include <QDebug>
  35 #include <QCompleter>
  36 #include <QListView>
  37 #include <QSettings>
  38 #include <QSortFilterProxyModel>
  39 #include <QMenu>
  40 #include <QDesktopServices>
  41 #include <QUrl>
  42 #include <QAction>
  43 #include <QFileDialog>
  44 #include <QMessageBox>
  45 #include <QDateTime>
  46 #include <QApplication>
  47 #include <QSpinBox>
  48 #include <QDoubleSpinBox>
  49 #include <QProcess>
  50 #include <QThread>
  51
  52 // Simgear
  53 #include <simgear/timing/timestamp.hxx>
  54 #include <simgear/props/props_io.hxx>
  55 #include <simgear/structure/exception.hxx>
  56 #include <simgear/structure/subsystem_mgr.hxx>
  57 #include <simgear/misc/sg_path.hxx>
  58 #include <simgear/package/Catalog.hxx>
  59 #include <simgear/package/Package.hxx>
  60 #include <simgear/package/Install.hxx>
  61
  62 #include "ui_Launcher.h"
  63 #include "ui_NoOfficialHangar.h"
  64
  65 #include "EditRatingsFilterDialog.hxx"
  66 #include "AircraftItemDelegate.hxx"
  67 #include "AircraftModel.hxx"
  68 #include "PathsDialog.hxx"
  69 #include "EditCustomMPServerDialog.hxx"
  70
  71 #include <Main/globals.hxx>
  72 #include <Main/fg_props.hxx>
  73 #include <Navaids/NavDataCache.hxx>
  74 #include <Navaids/navrecord.hxx>
  75 #include <Navaids/SHPParser.hxx>
  76
  77 #include <Main/options.hxx>
  78 #include <Main/fg_init.hxx>
  79 #include <Viewer/WindowBuilder.hxx>
  80 #include <Network/HTTPClient.hxx>
  81 #include <Network/RemoteXMLRequest.hxx>
  82
  83 using namespace flightgear;
  84 using namespace simgear::pkg;
  85
  86 const int MAX_RECENT_AIRCRAFT = 20;
  87
  88 namespace { // anonymous namespace
  89
  90 void initNavCache()
  91 {
  92     QString baseLabel = QT_TR_NOOP("Initialising navigation data, this may take several minutes");
  93     NavDataCache* cache = NavDataCache::createInstance();
  94     if (cache->isRebuildRequired()) {
  95         QProgressDialog rebuildProgress(baseLabel,
  96                                        QString() /* cancel text */,
  97                                        0, 100, Q_NULLPTR,
  98                                        Qt::Dialog
  99                                            | Qt::CustomizeWindowHint
 100                                            | Qt::WindowTitleHint
 101                                            | Qt::WindowSystemMenuHint
 102                                            | Qt::MSWindowsFixedSizeDialogHint);
 103         rebuildProgress.setWindowModality(Qt::WindowModal);
 104         rebuildProgress.show();
 105
 106         NavDataCache::RebuildPhase phase = cache->rebuild();
 107
 108         while (phase != NavDataCache::REBUILD_DONE) {
 109             // sleep to give the rebuild thread more time
 110             SGTimeStamp::sleepForMSec(50);
 111             phase = cache->rebuild();
 112
 113             switch (phase) {
 114             case NavDataCache::REBUILD_AIRPORTS:
 115                 rebuildProgress.setLabelText(QT_TR_NOOP("Loading airport data"));
 116                 break;
 117
 118             case NavDataCache::REBUILD_FIXES:
 119                 rebuildProgress.setLabelText(QT_TR_NOOP("Loading waypoint data"));
 120                 break;
 121
 122             case NavDataCache::REBUILD_NAVAIDS:
 123                 rebuildProgress.setLabelText(QT_TR_NOOP("Loading navigation data"));
 124                 break;
 125
 126
 127             case NavDataCache::REBUILD_POIS:
 128                 rebuildProgress.setLabelText(QT_TR_NOOP("Loading point-of-interest data"));
 129                 break;
 130
 131             default:
 132                 rebuildProgress.setLabelText(baseLabel);
 133             }
 134
 135             if (phase == NavDataCache::REBUILD_UNKNOWN) {
 136                 rebuildProgress.setValue(0);
 137                 rebuildProgress.setMaximum(0);
 138             } else {
 139                 rebuildProgress.setValue(cache->rebuildPhaseCompletionPercentage());
 140                 rebuildProgress.setMaximum(100);
 141             }
 142
 143             QCoreApplication::processEvents();
 144         }
 145     }
 146 }
 147
 148 class ArgumentsTokenizer
 149 {
 150 public:
 151     class Arg
 152     {
 153     public:
 154         explicit Arg(QString k, QString v = QString()) : arg(k), value(v) {}
 155
 156         QString arg;
 157         QString value;
 158     };
 159
 160     QList<Arg> tokenize(QString in) const
 161     {
 162         int index = 0;
 163         const int len = in.count();
 164         QChar c, nc;
 165         State state = Start;
 166         QString key, value;
 167         QList<Arg> result;
 168
 169         for (; index < len; ++index) {
 170             c = in.at(index);
 171             nc = index < (len - 1) ? in.at(index + 1) : QChar();
 172
 173             switch (state) {
 174             case Start:
 175                 if (c == QChar('-')) {
 176                     if (nc == QChar('-')) {
 177                         state = Key;
 178                         key.clear();
 179                         ++index;
 180                     } else {
 181                         // should we pemit single hyphen arguments?
 182                         // choosing to fail for now
 183                         return QList<Arg>();
 184                     }
 185                 } else if (c == QChar('#')) {
 186                     state = Comment;
 187                     break;
 188                 } else if (c.isSpace()) {
 189                     break;
 190                 }
 191                 break;
 192
 193             case Key:
 194                 if (c == QChar('=')) {
 195                     state = Value;
 196                     value.clear();
 197                 } else if (c.isSpace()) {
 198                     state = Start;
 199                     result.append(Arg(key));
 200                 } else {
 201                     // could check for illegal charatcers here
 202                     key.append(c);
 203                 }
 204                 break;
 205
 206             case Value:
 207                 if (c == QChar('"')) {
 208                     state = Quoted;
 209                 } else if (c.isSpace()) {
 210                     state = Start;
 211                     result.append(Arg(key, value));
 212                 } else {
 213                     value.append(c);
 214                 }
 215                 break;
 216
 217             case Quoted:
 218                 if (c == QChar('\\')) {
 219                     // check for escaped double-quote inside quoted value
 220                     if (nc == QChar('"')) {
 221                         ++index;
 222                     }
 223                 } else if (c == QChar('"')) {
 224                     state = Value;
 225                 } else {
 226                     value.append(c);
 227                 }
 228                 break;
 229
 230             case Comment:
 231                 if ((c == QChar('\n')) || (c == QChar('\r'))) {
 232                     state = Start;
 233                     break;
 234                 } else {
 235                     // nothing to do, eat comment chars
 236                 }
 237                 break;
 238             } // of state switch
 239         } // of character loop
 240
 241         // ensure last argument isn't lost
 242         if (state == Key) {
 243             result.append(Arg(key));
 244         } else if (state == Value) {
 245             result.append(Arg(key, value));
 246         }
 247
 248         return result;
 249     }
 250
 251 private:
 252     enum State {
 253         Start = 0,
 254         Key,
 255         Value,
 256         Quoted,
 257         Comment
 258     };
 259 };
 260
 261 class NaturalEarthDataLoaderThread : public QThread
 262 {
 263     Q_OBJECT
 264 public:
 265
 266     NaturalEarthDataLoaderThread() :
 267         m_lineInsertCount(0)
 268     {
 269         connect(this, &QThread::finished, this, &NaturalEarthDataLoaderThread::onFinished);
 270     }
 271
 272 protected:
 273     virtual void run() Q_DECL_OVERRIDE
 274     {
 275         SGTimeStamp st;
 276         st.stamp();
 277
 278         loadNaturalEarthFile("ne_10m_coastline.shp", flightgear::PolyLine::COASTLINE, false);
 279         loadNaturalEarthFile("ne_10m_rivers_lake_centerlines.shp", flightgear::PolyLine::RIVER, false);
 280         loadNaturalEarthFile("ne_10m_lakes.shp", flightgear::PolyLine::LAKE, true);
 281
 282         qDebug() << "load basic data took" << st.elapsedMSec();
 283
 284         st.stamp();
 285         loadNaturalEarthFile("ne_10m_urban_areas.shp", flightgear::PolyLine::URBAN, true);
 286
 287         qDebug() << "loading urban areas took:" << st.elapsedMSec();
 288     }
 289
 290 private:
 291     Q_SLOT void onFinished()
 292     {
 293         flightgear::PolyLineList::const_iterator begin = m_parsedLines.begin() + m_lineInsertCount;
 294         unsigned int numToAdd = std::min<unsigned long>(1000UL, m_parsedLines.size() - m_lineInsertCount);
 295         flightgear::PolyLineList::const_iterator end = begin + numToAdd;
 296         flightgear::PolyLine::bulkAddToSpatialIndex(begin, end);
 297
 298         if (end == m_parsedLines.end()) {
 299             deleteLater(); // commit suicide
 300         } else {
 301             m_lineInsertCount += 1000;
 302             QTimer::singleShot(50, this, SLOT(onFinished()));
 303         }
 304     }
 305
 306     void loadNaturalEarthFile(const std::string& aFileName,
 307                               flightgear::PolyLine::Type aType,
 308                               bool areClosed)
 309     {
 310         SGPath path(globals->get_fg_root());
 311         path.append( "Geodata" );
 312         path.append(aFileName);
 313         if (!path.exists())
 314             return; // silently fail for now
 315
 316         flightgear::PolyLineList lines;
 317         flightgear::SHPParser::parsePolyLines(path, aType, m_parsedLines, areClosed);
 318     }
 319
 320     flightgear::PolyLineList m_parsedLines;
 321     unsigned int m_lineInsertCount;
 322 };
 323
 324 } // of anonymous namespace
 325
 326 class AircraftProxyModel : public QSortFilterProxyModel
 327 {
 328     Q_OBJECT
 329 public:
 330     AircraftProxyModel(QObject* pr) :
 331         QSortFilterProxyModel(pr),
 332         m_ratingsFilter(true),
 333         m_onlyShowInstalled(false)
 334     {
 335         for (int i=0; i<4; ++i) {
 336             m_ratings[i] = 3;
 337         }
 338     }
 339
 340     void setRatings(int* ratings)
 341     {
 342         ::memcpy(m_ratings, ratings, sizeof(int) * 4);
 343         invalidate();
 344     }
 345
 346 public slots:
 347     void setRatingFilterEnabled(bool e)
 348     {
 349         if (e == m_ratingsFilter) {
 350             return;
 351         }
 352
 353         m_ratingsFilter = e;
 354         invalidate();
 355     }
 356
 357     void setInstalledFilterEnabled(bool e)
 358     {
 359         if (e == m_onlyShowInstalled) {
 360             return;
 361         }
 362
 363         m_onlyShowInstalled = e;
 364         invalidate();
 365     }
 366
 367 protected:
 368     bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const
 369     {
 370         QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent);
 371         QVariant v = index.data(AircraftPackageStatusRole);
 372         AircraftItemStatus status = static_cast<AircraftItemStatus>(v.toInt());
 373         if (status == NoOfficialCatalogMessage) {
 374             return true;
 375         }
 376
 377         if (!QSortFilterProxyModel::filterAcceptsRow(sourceRow, sourceParent)) {
 378             return false;
 379         }
 380
 381         if (m_onlyShowInstalled) {
 382             QVariant v = index.data(AircraftPackageStatusRole);
 383             AircraftItemStatus status = static_cast<AircraftItemStatus>(v.toInt());
 384             if (status == PackageNotInstalled) {
 385                 return false;
 386             }
 387         }
 388
 389         if (!m_onlyShowInstalled && m_ratingsFilter) {
 390             for (int i=0; i<4; ++i) {
 391                 if (m_ratings[i] > index.data(AircraftRatingRole + i).toInt()) {
 392                     return false;
 393                 }
 394             }
 395         }
 396
 397         return true;
 398     }
 399
 400 private:
 401     bool m_ratingsFilter;
 402     bool m_onlyShowInstalled;
 403     int m_ratings[4];
 404 };
 405
 406 class NoOfficialHangarMessage : public QWidget
 407 {
 408     Q_OBJECT
 409 public:
 410     NoOfficialHangarMessage() :
 411         m_ui(new Ui::NoOfficialHangarMessage)
 412     {
 413         m_ui->setupUi(this);
 414         // proxy this signal upwards
 415         connect(m_ui->label, &QLabel::linkActivated,
 416                 this, &NoOfficialHangarMessage::linkActivated);
 417     }
 418
 419 Q_SIGNALS:
 420     void linkActivated(QUrl link);
 421
 422 private:
 423     Ui::NoOfficialHangarMessage* m_ui;
 424 };
 425
 426 static void initQtResources()
 427 {
 428     Q_INIT_RESOURCE(resources);
 429 }
 430
 431 namespace flightgear
 432 {
 433
 434 void initApp(int& argc, char** argv)
 435 {
 436     static bool qtInitDone = false;
 437     static int s_argc;
 438
 439     if (!qtInitDone) {
 440         qtInitDone = true;
 441
 442         sglog().setLogLevels( SG_ALL, SG_INFO );
 443         initQtResources(); // can't be called from a namespace
 444
 445         s_argc = argc; // QApplication only stores a reference to argc,
 446         // and may crash if it is freed
 447         // http://doc.qt.io/qt-5/qguiapplication.html#QGuiApplication
 448
 449         QApplication* app = new QApplication(s_argc, argv);
 450         app->setOrganizationName("FlightGear");
 451         app->setApplicationName("FlightGear");
 452         app->setOrganizationDomain("flightgear.org");
 453
 454         QSettings::setDefaultFormat(QSettings::IniFormat);
 455         QSettings::setPath(QSettings::IniFormat, QSettings::UserScope,
 456                            QString::fromStdString(globals->get_fg_home().utf8Str()));
 457
 458         // reset numeric / collation locales as described at:
 459         // http://doc.qt.io/qt-5/qcoreapplication.html#details
 460         ::setlocale(LC_NUMERIC, "C");
 461         ::setlocale(LC_COLLATE, "C");
 462
 463         Qt::KeyboardModifiers mods = app->queryKeyboardModifiers();
 464         if (mods & (Qt::AltModifier | Qt::ShiftModifier)) {
 465             qWarning() << "Alt/shift pressed during launch";
 466             QSettings settings;
 467             settings.setValue("fg-root", "!ask");
 468         }
 469     }
 470 }
 471
 472 bool runLauncherDialog()
 473 {
 474     // startup the nav-cache now. This pre-empts normal startup of
 475     // the cache, but no harm done. (Providing scenery paths are consistent)
 476
 477     initNavCache();
 478
 479     QSettings settings;
 480     QString downloadDir = settings.value("download-dir").toString();
 481     if (!downloadDir.isEmpty()) {
 482         flightgear::Options::sharedInstance()->setOption("download-dir", downloadDir.toStdString());
 483     }
 484
 485     fgInitPackageRoot();
 486
 487     // startup the HTTP system now since packages needs it
 488     FGHTTPClient* http = globals->add_new_subsystem<FGHTTPClient>();
 489
 490     // we guard against re-init in the global phase; bind and postinit
 491     // will happen as normal
 492     http->init();
 493
 494     NaturalEarthDataLoaderThread* naturalEarthLoader = new NaturalEarthDataLoaderThread;
 495     naturalEarthLoader->start();
 496
 497     // avoid double Apple menu and other weirdness if both Qt and OSG
 498     // try to initialise various Cocoa structures.
 499     flightgear::WindowBuilder::setPoseAsStandaloneApp(false);
 500
 501     QtLauncher dlg;
 502     dlg.show();
 503
 504     int appResult = qApp->exec();
 505     if (appResult < 0) {
 506         return false; // quit
 507     }
 508
 509     // don't set scenery paths twice
 510     globals->clear_fg_scenery();
 511
 512     return true;
 513 }
 514
 515 bool runInAppLauncherDialog()
 516 {
 517     QtLauncher dlg;
 518     dlg.setInAppMode();
 519     dlg.exec();
 520     if (dlg.result() != QDialog::Accepted) {
 521         return false;
 522     }
 523
 524     return true;
 525 }
 526
 527 } // of namespace flightgear
 528
 529 QtLauncher::QtLauncher() :
 530     QDialog(),
 531     m_ui(NULL),
 532     m_subsystemIdleTimer(NULL),
 533     m_inAppMode(false),
 534     m_doRestoreMPServer(false)
 535 {
 536     m_ui.reset(new Ui::Launcher);
 537     m_ui->setupUi(this);
 538
 539 #if QT_VERSION >= 0x050300
 540     // don't require Qt 5.3
 541     m_ui->commandLineArgs->setPlaceholderText("--option=value --prop:/sim/name=value");
 542 #endif
 543
 544 #if QT_VERSION >= 0x050200
 545     m_ui->aircraftFilter->setClearButtonEnabled(true);
 546 #endif
 547
 548     for (int i=0; i<4; ++i) {
 549         m_ratingFilters[i] = 3;
 550     }
 551
 552     m_subsystemIdleTimer = new QTimer(this);
 553     m_subsystemIdleTimer->setInterval(0);
 554     connect(m_subsystemIdleTimer, &QTimer::timeout,
 555             this, &QtLauncher::onSubsytemIdleTimeout);
 556     m_subsystemIdleTimer->start();
 557
 558     // create and configure the proxy model
 559     m_aircraftProxy = new AircraftProxyModel(this);
 560     connect(m_ui->ratingsFilterCheck, &QAbstractButton::toggled,
 561             m_aircraftProxy, &AircraftProxyModel::setRatingFilterEnabled);
 562     connect(m_ui->ratingsFilterCheck, &QAbstractButton::toggled,
 563             this, &QtLauncher::maybeRestoreAircraftSelection);
 564
 565     connect(m_ui->onlyShowInstalledCheck, &QAbstractButton::toggled,
 566             m_aircraftProxy, &AircraftProxyModel::setInstalledFilterEnabled);
 567     connect(m_ui->aircraftFilter, &QLineEdit::textChanged,
 568             m_aircraftProxy, &QSortFilterProxyModel::setFilterFixedString);
 569
 570     connect(m_ui->runButton, SIGNAL(clicked()), this, SLOT(onRun()));
 571     connect(m_ui->quitButton, SIGNAL(clicked()), this, SLOT(onQuit()));
 572
 573     connect(m_ui->aircraftHistory, &QPushButton::clicked,
 574           this, &QtLauncher::onPopupAircraftHistory);
 575
 576     connect(m_ui->location, &LocationWidget::descriptionChanged,
 577             m_ui->locationDescription, &QLabel::setText);
 578
 579     QAction* qa = new QAction(this);
 580     qa->setShortcut(QKeySequence("Ctrl+Q"));
 581     connect(qa, &QAction::triggered, this, &QtLauncher::onQuit);
 582     addAction(qa);
 583
 584     connect(m_ui->editRatingFilter, &QPushButton::clicked,
 585             this, &QtLauncher::onEditRatingsFilter);
 586     connect(m_ui->onlyShowInstalledCheck, &QCheckBox::toggled,
 587             this, &QtLauncher::onShowInstalledAircraftToggled);
 588
 589     QIcon historyIcon(":/history-icon");
 590     m_ui->aircraftHistory->setIcon(historyIcon);
 591
 592     connect(m_ui->timeOfDayCombo, SIGNAL(currentIndexChanged(int)),
 593             this, SLOT(updateSettingsSummary()));
 594     connect(m_ui->seasonCombo, SIGNAL(currentIndexChanged(int)),
 595             this, SLOT(updateSettingsSummary()));
 596     connect(m_ui->fetchRealWxrCheckbox, SIGNAL(toggled(bool)),
 597             this, SLOT(updateSettingsSummary()));
 598     connect(m_ui->rembrandtCheckbox, SIGNAL(toggled(bool)),
 599             this, SLOT(updateSettingsSummary()));
 600     connect(m_ui->terrasyncCheck, SIGNAL(toggled(bool)),
 601             this, SLOT(updateSettingsSummary()));
 602     connect(m_ui->startPausedCheck, SIGNAL(toggled(bool)),
 603             this, SLOT(updateSettingsSummary()));
 604     connect(m_ui->msaaCheckbox, SIGNAL(toggled(bool)),
 605             this, SLOT(updateSettingsSummary()));
 606
 607     connect(m_ui->rembrandtCheckbox, SIGNAL(toggled(bool)),
 608             this, SLOT(onRembrandtToggled(bool)));
 609     connect(m_ui->terrasyncCheck, &QCheckBox::toggled,
 610             this, &QtLauncher::onToggleTerrasync);
 611     updateSettingsSummary();
 612
 613     connect(m_ui->mpServerCombo, SIGNAL(activated(int)),
 614             this, SLOT(onMPServerActivated(int)));
 615
 616     m_aircraftModel = new AircraftItemModel(this);
 617     m_aircraftProxy->setSourceModel(m_aircraftModel);
 618
 619     m_aircraftProxy->setFilterCaseSensitivity(Qt::CaseInsensitive);
 620     m_aircraftProxy->setSortCaseSensitivity(Qt::CaseInsensitive);
 621     m_aircraftProxy->setSortRole(Qt::DisplayRole);
 622     m_aircraftProxy->setDynamicSortFilter(true);
 623
 624     m_ui->aircraftList->setModel(m_aircraftProxy);
 625     m_ui->aircraftList->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
 626     AircraftItemDelegate* delegate = new AircraftItemDelegate(m_ui->aircraftList);
 627     m_ui->aircraftList->setItemDelegate(delegate);
 628     m_ui->aircraftList->setSelectionMode(QAbstractItemView::SingleSelection);
 629     connect(m_ui->aircraftList, &QListView::clicked,
 630             this, &QtLauncher::onAircraftSelected);
 631     connect(delegate, &AircraftItemDelegate::variantChanged,
 632             this, &QtLauncher::onAircraftSelected);
 633     connect(delegate, &AircraftItemDelegate::requestInstall,
 634             this, &QtLauncher::onRequestPackageInstall);
 635     connect(delegate, &AircraftItemDelegate::cancelDownload,
 636             this, &QtLauncher::onCancelDownload);
 637
 638     connect(m_aircraftModel, &AircraftItemModel::aircraftInstallCompleted,
 639             this, &QtLauncher::onAircraftInstalledCompleted);
 640     connect(m_aircraftModel, &AircraftItemModel::aircraftInstallFailed,
 641             this, &QtLauncher::onAircraftInstallFailed);
 642     connect(m_aircraftModel, &AircraftItemModel::scanCompleted,
 643             this, &QtLauncher::updateSelectedAircraft);
 644     connect(m_ui->restoreDefaultsButton, &QPushButton::clicked,
 645             this, &QtLauncher::onRestoreDefaults);
 646
 647
 648     AddOnsPage* addOnsPage = new AddOnsPage(NULL, globals->packageRoot());
 649     connect(addOnsPage, &AddOnsPage::downloadDirChanged,
 650             this, &QtLauncher::onDownloadDirChanged);
 651     connect(addOnsPage, &AddOnsPage::sceneryPathsChanged,
 652             this, &QtLauncher::setSceneryPaths);
 653
 654     m_ui->tabWidget->addTab(addOnsPage, tr("Add-ons"));
 655     // after any kind of reset, try to restore selection and scroll
 656     // to match the m_selectedAircraft. This needs to be delayed
 657     // fractionally otherwise the scrollTo seems to be ignored,
 658     // unfortunately.
 659     connect(m_aircraftProxy, &AircraftProxyModel::modelReset,
 660             this, &QtLauncher::delayedAircraftModelReset);
 661
 662     QSettings settings;
 663     m_aircraftModel->setPaths(settings.value("aircraft-paths").toStringList());
 664     m_aircraftModel->setPackageRoot(globals->packageRoot());
 665     m_aircraftModel->scanDirs();
 666
 667     checkOfficialCatalogMessage();
 668     restoreSettings();
 669
 670     onRefreshMPServers();
 671 }
 672
 673 QtLauncher::~QtLauncher()
 674 {
 675
 676 }
 677
 678 void QtLauncher::setSceneryPaths()
 679 {
 680     globals->clear_fg_scenery();
 681
 682 // mimic what optionss.cxx does, so we can find airport data for parking
 683 // positions
 684     QSettings settings;
 685     // append explicit scenery paths
 686     Q_FOREACH(QString path, settings.value("scenery-paths").toStringList()) {
 687         globals->append_fg_scenery(path.toStdString());
 688     }
 689
 690     // append the TerraSync path
 691     QString downloadDir = settings.value("download-dir").toString();
 692     if (downloadDir.isEmpty()) {
 693         downloadDir = QString::fromStdString(flightgear::defaultDownloadDir().utf8Str());
 694     }
 695
 696     SGPath terraSyncDir(downloadDir.toStdString());
 697     terraSyncDir.append("TerraSync");
 698     if (terraSyncDir.exists()) {
 699         globals->append_fg_scenery(terraSyncDir);
 700     }
 701
 702     // add the installation path since it contains default airport data,
 703     // if terrasync is disabled or on first-launch
 704     globals->append_fg_scenery(globals->get_fg_root() / "Scenery");
 705
 706 }
 707
 708 void QtLauncher::setInAppMode()
 709 {
 710   m_inAppMode = true;
 711   m_ui->tabWidget->removeTab(3);
 712   m_ui->tabWidget->removeTab(3);
 713
 714   m_ui->runButton->setText(tr("Apply"));
 715   m_ui->quitButton->setText(tr("Cancel"));
 716
 717   disconnect(m_ui->runButton, SIGNAL(clicked()), this, SLOT(onRun()));
 718   connect(m_ui->runButton, SIGNAL(clicked()), this, SLOT(onApply()));
 719 }
 720
 721 void QtLauncher::restoreSettings()
 722 {
 723     QSettings settings;
 724     m_ui->rembrandtCheckbox->setChecked(settings.value("enable-rembrandt", false).toBool());
 725     m_ui->terrasyncCheck->setChecked(settings.value("enable-terrasync", true).toBool());
 726     m_ui->fullScreenCheckbox->setChecked(settings.value("start-fullscreen", false).toBool());
 727     m_ui->msaaCheckbox->setChecked(settings.value("enable-msaa", false).toBool());
 728     m_ui->fetchRealWxrCheckbox->setChecked(settings.value("enable-realwx", true).toBool());
 729     m_ui->startPausedCheck->setChecked(settings.value("start-paused", false).toBool());
 730     m_ui->timeOfDayCombo->setCurrentIndex(settings.value("timeofday", 0).toInt());
 731     m_ui->seasonCombo->setCurrentIndex(settings.value("season", 0).toInt());
 732
 733     // full paths to -set.xml files
 734     m_recentAircraft = QUrl::fromStringList(settings.value("recent-aircraft").toStringList());
 735
 736     if (!m_recentAircraft.empty()) {
 737         m_selectedAircraft = m_recentAircraft.front();
 738     } else {
 739         // select the default C172p
 740     }
 741
 742     if (!m_inAppMode) {
 743         setSceneryPaths();
 744     }
 745
 746     m_ui->location->restoreSettings();
 747
 748     // rating filters
 749     m_ui->onlyShowInstalledCheck->setChecked(settings.value("only-show-installed", false).toBool());
 750     if (m_ui->onlyShowInstalledCheck->isChecked()) {
 751         m_ui->ratingsFilterCheck->setEnabled(false);
 752     }
 753
 754     m_ui->ratingsFilterCheck->setChecked(settings.value("ratings-filter", true).toBool());
 755     int index = 0;
 756     Q_FOREACH(QVariant v, settings.value("min-ratings").toList()) {
 757         m_ratingFilters[index++] = v.toInt();
 758     }
 759
 760     m_aircraftProxy->setRatingFilterEnabled(m_ui->ratingsFilterCheck->isChecked());
 761     m_aircraftProxy->setRatings(m_ratingFilters);
 762
 763     updateSelectedAircraft();
 764     maybeRestoreAircraftSelection();
 765
 766     m_ui->commandLineArgs->setPlainText(settings.value("additional-args").toString());
 767
 768     m_ui->mpBox->setChecked(settings.value("mp-enabled").toBool());
 769     m_ui->mpCallsign->setText(settings.value("mp-callsign").toString());
 770     // don't restore MP server here, we do it after a refresh
 771     m_doRestoreMPServer = true;
 772 }
 773
 774 void QtLauncher::delayedAircraftModelReset()
 775 {
 776     QTimer::singleShot(1, this, SLOT(maybeRestoreAircraftSelection()));
 777 }
 778
 779 void QtLauncher::maybeRestoreAircraftSelection()
 780 {
 781     QModelIndex aircraftIndex = m_aircraftModel->indexOfAircraftURI(m_selectedAircraft);
 782     QModelIndex proxyIndex = m_aircraftProxy->mapFromSource(aircraftIndex);
 783     if (proxyIndex.isValid()) {
 784         m_ui->aircraftList->selectionModel()->setCurrentIndex(proxyIndex,
 785                                                               QItemSelectionModel::ClearAndSelect);
 786         m_ui->aircraftList->selectionModel()->select(proxyIndex,
 787                                                      QItemSelectionModel::ClearAndSelect);
 788         m_ui->aircraftList->scrollTo(proxyIndex);
 789     }
 790 }
 791
 792 void QtLauncher::saveSettings()
 793 {
 794     QSettings settings;
 795     settings.setValue("enable-rembrandt", m_ui->rembrandtCheckbox->isChecked());
 796     settings.setValue("enable-terrasync", m_ui->terrasyncCheck->isChecked());
 797     settings.setValue("enable-msaa", m_ui->msaaCheckbox->isChecked());
 798     settings.setValue("start-fullscreen", m_ui->fullScreenCheckbox->isChecked());
 799     settings.setValue("enable-realwx", m_ui->fetchRealWxrCheckbox->isChecked());
 800     settings.setValue("start-paused", m_ui->startPausedCheck->isChecked());
 801     settings.setValue("ratings-filter", m_ui->ratingsFilterCheck->isChecked());
 802     settings.setValue("only-show-installed", m_ui->onlyShowInstalledCheck->isChecked());
 803     settings.setValue("recent-aircraft", QUrl::toStringList(m_recentAircraft));
 804
 805     settings.setValue("timeofday", m_ui->timeOfDayCombo->currentIndex());
 806     settings.setValue("season", m_ui->seasonCombo->currentIndex());
 807     settings.setValue("additional-args", m_ui->commandLineArgs->toPlainText());
 808
 809     m_ui->location->saveSettings();
 810
 811     settings.setValue("mp-callsign", m_ui->mpCallsign->text());
 812     settings.setValue("mp-server", m_ui->mpServerCombo->currentData());
 813     settings.setValue("mp-enabled", m_ui->mpBox->isChecked());
 814 }
 815
 816 void QtLauncher::setEnableDisableOptionFromCheckbox(QCheckBox* cbox, QString name) const
 817 {
 818     flightgear::Options* opt = flightgear::Options::sharedInstance();
 819     std::string stdName(name.toStdString());
 820     if (cbox->isChecked()) {
 821         opt->addOption("enable-" + stdName, "");
 822     } else {
 823         opt->addOption("disable-" + stdName, "");
 824     }
 825 }
 826
 827 void QtLauncher::closeEvent(QCloseEvent *event)
 828 {
 829     qApp->exit(-1);
 830 }
 831
 832 void QtLauncher::reject()
 833 {
 834     qApp->exit(-1);
 835 }
 836
 837 void QtLauncher::onRun()
 838 {
 839     flightgear::Options* opt = flightgear::Options::sharedInstance();
 840     setEnableDisableOptionFromCheckbox(m_ui->terrasyncCheck, "terrasync");
 841     setEnableDisableOptionFromCheckbox(m_ui->fetchRealWxrCheckbox, "real-weather-fetch");
 842     setEnableDisableOptionFromCheckbox(m_ui->rembrandtCheckbox, "rembrandt");
 843     setEnableDisableOptionFromCheckbox(m_ui->fullScreenCheckbox, "fullscreen");
 844 //    setEnableDisableOptionFromCheckbox(m_ui->startPausedCheck, "freeze");
 845
 846     bool startPaused = m_ui->startPausedCheck->isChecked() ||
 847             m_ui->location->shouldStartPaused();
 848     if (startPaused) {
 849         opt->addOption("enable-freeze", "");
 850     }
 851
 852     // MSAA is more complex
 853     if (!m_ui->rembrandtCheckbox->isChecked()) {
 854         if (m_ui->msaaCheckbox->isChecked()) {
 855             globals->get_props()->setIntValue("/sim/rendering/multi-sample-buffers", 1);
 856             globals->get_props()->setIntValue("/sim/rendering/multi-samples", 4);
 857         } else {
 858             globals->get_props()->setIntValue("/sim/rendering/multi-sample-buffers", 0);
 859         }
 860     }
 861
 862     // aircraft
 863     if (!m_selectedAircraft.isEmpty()) {
 864         if (m_selectedAircraft.isLocalFile()) {
 865             QFileInfo setFileInfo(m_selectedAircraft.toLocalFile());
 866             opt->addOption("aircraft-dir", setFileInfo.dir().absolutePath().toStdString());
 867             QString setFile = setFileInfo.fileName();
 868             Q_ASSERT(setFile.endsWith("-set.xml"));
 869             setFile.truncate(setFile.count() - 8); // drop the '-set.xml' portion
 870             opt->addOption("aircraft", setFile.toStdString());
 871         } else if (m_selectedAircraft.scheme() == "package") {
 872             QString qualifiedId = m_selectedAircraft.path();
 873             // no need to set aircraft-dir, handled by the corresponding code
 874             // in fgInitAircraft
 875             opt->addOption("aircraft", qualifiedId.toStdString());
 876         } else {
 877             qWarning() << "unsupported aircraft launch URL" << m_selectedAircraft;
 878         }
 879
 880       // manage aircraft history
 881         if (m_recentAircraft.contains(m_selectedAircraft))
 882           m_recentAircraft.removeOne(m_selectedAircraft);
 883         m_recentAircraft.prepend(m_selectedAircraft);
 884         if (m_recentAircraft.size() > MAX_RECENT_AIRCRAFT)
 885           m_recentAircraft.pop_back();
 886     }
 887
 888     if (m_ui->mpBox->isChecked()) {
 889         std::string callSign = m_ui->mpCallsign->text().toStdString();
 890         if (!callSign.empty()) {
 891             opt->addOption("callsign", callSign);
 892         }
 893
 894         QString host = m_ui->mpServerCombo->currentData().toString();
 895         int port = 5000;
 896         if (host == "custom") {
 897             QSettings settings;
 898             host = settings.value("mp-custom-host").toString();
 899             port = settings.value("mp-custom-port").toInt();
 900         } else {
 901             port = findMPServerPort(host.toStdString());
 902         }
 903         globals->get_props()->setStringValue("/sim/multiplay/txhost", host.toStdString());
 904         globals->get_props()->setIntValue("/sim/multiplay/txport", port);
 905     }
 906
 907     m_ui->location->setLocationProperties();
 908
 909     // time of day
 910     if (m_ui->timeOfDayCombo->currentIndex() != 0) {
 911         QString dayval = m_ui->timeOfDayCombo->currentText().toLower();
 912         opt->addOption("timeofday", dayval.toStdString());
 913     }
 914
 915     if (m_ui->seasonCombo->currentIndex() != 0) {
 916         QString seasonName = m_ui->seasonCombo->currentText().toLower();
 917         opt->addOption("season", seasonName.toStdString());
 918     }
 919
 920     QSettings settings;
 921     QString downloadDir = settings.value("download-dir").toString();
 922     if (!downloadDir.isEmpty()) {
 923         QDir d(downloadDir);
 924         if (!d.exists()) {
 925             int result = QMessageBox::question(this, tr("Create download folder?"),
 926                                   tr("The selected location for downloads does not exist. Create it?"),
 927                                                QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel);
 928             if (result == QMessageBox::Cancel) {
 929                 return;
 930             }
 931
 932             if (result == QMessageBox::Yes) {
 933                 d.mkpath(downloadDir);
 934             }
 935         }
 936
 937         opt->addOption("download-dir", downloadDir.toStdString());
 938     }
 939
 940     // scenery paths
 941     Q_FOREACH(QString path, settings.value("scenery-paths").toStringList()) {
 942         opt->addOption("fg-scenery", path.toStdString());
 943     }
 944
 945     // aircraft paths
 946     Q_FOREACH(QString path, settings.value("aircraft-paths").toStringList()) {
 947         // can't use fg-aircraft for this, as it is processed before the launcher is run
 948         globals->append_aircraft_path(path.toStdString());
 949     }
 950
 951     // additional arguments
 952     ArgumentsTokenizer tk;
 953     Q_FOREACH(ArgumentsTokenizer::Arg a, tk.tokenize(m_ui->commandLineArgs->toPlainText())) {
 954         if (a.arg.startsWith("prop:")) {
 955             QString v = a.arg.mid(5) + "=" + a.value;
 956             opt->addOption("prop", v.toStdString());
 957         } else {
 958             opt->addOption(a.arg.toStdString(), a.value.toStdString());
 959         }
 960     }
 961
 962     if (settings.contains("restore-defaults-on-run")) {
 963         settings.remove("restore-defaults-on-run");
 964         opt->addOption("restore-defaults", "");
 965     }
 966
 967     saveSettings();
 968
 969     qApp->exit(0);
 970 }
 971
 972
 973 void QtLauncher::onApply()
 974 {
 975     accept();
 976
 977     // aircraft
 978     if (!m_selectedAircraft.isEmpty()) {
 979         std::string aircraftPropValue,
 980             aircraftDir;
 981
 982         if (m_selectedAircraft.isLocalFile()) {
 983             QFileInfo setFileInfo(m_selectedAircraft.toLocalFile());
 984             QString setFile = setFileInfo.fileName();
 985             Q_ASSERT(setFile.endsWith("-set.xml"));
 986             setFile.truncate(setFile.count() - 8); // drop the '-set.xml' portion
 987             aircraftDir = setFileInfo.dir().absolutePath().toStdString();
 988             aircraftPropValue = setFile.toStdString();
 989         } else if (m_selectedAircraft.scheme() == "package") {
 990             // no need to set aircraft-dir, handled by the corresponding code
 991             // in fgInitAircraft
 992             aircraftPropValue = m_selectedAircraft.path().toStdString();
 993         } else {
 994             qWarning() << "unsupported aircraft launch URL" << m_selectedAircraft;
 995         }
 996
 997         // manage aircraft history
 998         if (m_recentAircraft.contains(m_selectedAircraft))
 999             m_recentAircraft.removeOne(m_selectedAircraft);
1000         m_recentAircraft.prepend(m_selectedAircraft);
1001         if (m_recentAircraft.size() > MAX_RECENT_AIRCRAFT)
1002             m_recentAircraft.pop_back();
1003
1004         globals->get_props()->setStringValue("/sim/aircraft", aircraftPropValue);
1005         globals->get_props()->setStringValue("/sim/aircraft-dir", aircraftDir);
1006     }
1007
1008     // location
1009     m_ui->location->setLocationProperties();
1010
1011     saveSettings();
1012 }
1013
1014 void QtLauncher::onQuit()
1015 {
1016     qApp->exit(-1);
1017 }
1018
1019 void QtLauncher::onToggleTerrasync(bool enabled)
1020 {
1021     if (enabled) {
1022         QSettings settings;
1023         QString downloadDir = settings.value("download-dir").toString();
1024         if (downloadDir.isEmpty()) {
1025             downloadDir = QString::fromStdString(flightgear::defaultDownloadDir().utf8Str());
1026         }
1027
1028         QFileInfo info(downloadDir);
1029         if (!info.exists()) {
1030             QMessageBox msg;
1031             msg.setWindowTitle(tr("Create download folder?"));
1032             msg.setText(tr("The download folder '%1' does not exist, create it now?").arg(downloadDir));
1033             msg.addButton(QMessageBox::Yes);
1034             msg.addButton(QMessageBox::Cancel);
1035             int result = msg.exec();
1036
1037             if (result == QMessageBox::Cancel) {
1038                 m_ui->terrasyncCheck->setChecked(false);
1039                 return;
1040             }
1041
1042             QDir d(downloadDir);
1043             d.mkpath(downloadDir);
1044         }
1045     } // of is enabled
1046 }
1047
1048 void QtLauncher::onAircraftInstalledCompleted(QModelIndex index)
1049 {
1050     maybeUpdateSelectedAircraft(index);
1051 }
1052
1053 void QtLauncher::onRatingsFilterToggled()
1054 {
1055     QModelIndex aircraftIndex = m_aircraftModel->indexOfAircraftURI(m_selectedAircraft);
1056     QModelIndex proxyIndex = m_aircraftProxy->mapFromSource(aircraftIndex);
1057     if (proxyIndex.isValid()) {
1058         m_ui->aircraftList->scrollTo(proxyIndex);
1059     }
1060 }
1061
1062 void QtLauncher::onAircraftInstallFailed(QModelIndex index, QString errorMessage)
1063 {
1064     qWarning() << Q_FUNC_INFO << index.data(AircraftURIRole) << errorMessage;
1065
1066     QMessageBox msg;
1067     msg.setWindowTitle(tr("Aircraft installation failed"));
1068     msg.setText(tr("An error occurred installing the aircraft %1: %2").
1069                 arg(index.data(Qt::DisplayRole).toString()).arg(errorMessage));
1070     msg.addButton(QMessageBox::Ok);
1071     msg.exec();
1072
1073     maybeUpdateSelectedAircraft(index);
1074 }
1075
1076 void QtLauncher::onAircraftSelected(const QModelIndex& index)
1077 {
1078     m_selectedAircraft = index.data(AircraftURIRole).toUrl();
1079     updateSelectedAircraft();
1080 }
1081
1082 void QtLauncher::onRequestPackageInstall(const QModelIndex& index)
1083 {
1084     // also select, otherwise UI is confusing
1085     m_selectedAircraft = index.data(AircraftURIRole).toUrl();
1086     updateSelectedAircraft();
1087
1088     QString pkg = index.data(AircraftPackageIdRole).toString();
1089     simgear::pkg::PackageRef pref = globals->packageRoot()->getPackageById(pkg.toStdString());
1090     if (pref->isInstalled()) {
1091         InstallRef install = pref->existingInstall();
1092         if (install && install->hasUpdate()) {
1093             globals->packageRoot()->scheduleToUpdate(install);
1094         }
1095     } else {
1096         pref->install();
1097     }
1098 }
1099
1100 void QtLauncher::onCancelDownload(const QModelIndex& index)
1101 {
1102     QString pkg = index.data(AircraftPackageIdRole).toString();
1103     simgear::pkg::PackageRef pref = globals->packageRoot()->getPackageById(pkg.toStdString());
1104     simgear::pkg::InstallRef i = pref->existingInstall();
1105     i->cancelDownload();
1106 }
1107
1108 void QtLauncher::onRestoreDefaults()
1109 {
1110     QMessageBox mbox(this);
1111     mbox.setText(tr("Restore all settings to defaults?"));
1112     mbox.setInformativeText(tr("Restoring settings to their defaults may affect available add-ons such as scenery or aircraft."));
1113     QPushButton* quitButton = mbox.addButton(tr("Restore and restart now"), QMessageBox::YesRole);
1114     mbox.addButton(QMessageBox::Cancel);
1115     mbox.setDefaultButton(QMessageBox::Cancel);
1116     mbox.setIconPixmap(QPixmap(":/app-icon-large"));
1117
1118     mbox.exec();
1119     if (mbox.clickedButton() != quitButton) {
1120         return;
1121     }
1122
1123     {
1124         QSettings settings;
1125         settings.clear();
1126         settings.setValue("restore-defaults-on-run", true);
1127     }
1128
1129     restartTheApp(QStringList());
1130 }
1131
1132 void QtLauncher::maybeUpdateSelectedAircraft(QModelIndex index)
1133 {
1134     QUrl u = index.data(AircraftURIRole).toUrl();
1135     if (u == m_selectedAircraft) {
1136         // potentially enable the run button now!
1137         updateSelectedAircraft();
1138     }
1139 }
1140
1141 void QtLauncher::updateSelectedAircraft()
1142 {
1143     QModelIndex index = m_aircraftModel->indexOfAircraftURI(m_selectedAircraft);
1144     if (index.isValid()) {
1145         QPixmap pm = index.data(Qt::DecorationRole).value<QPixmap>();
1146         m_ui->thumbnail->setPixmap(pm);
1147         m_ui->aircraftDescription->setText(index.data(Qt::DisplayRole).toString());
1148
1149         int status = index.data(AircraftPackageStatusRole).toInt();
1150         bool canRun = (status == PackageInstalled);
1151         m_ui->runButton->setEnabled(canRun);
1152
1153         LauncherAircraftType aircraftType = Airplane;
1154         if (index.data(AircraftIsHelicopterRole).toBool()) {
1155             aircraftType = Helicopter;
1156         } else if (index.data(AircraftIsSeaplaneRole).toBool()) {
1157             aircraftType = Seaplane;
1158         }
1159
1160         m_ui->location->setAircraftType(aircraftType);
1161     } else {
1162         m_ui->thumbnail->setPixmap(QPixmap());
1163         m_ui->aircraftDescription->setText("");
1164         m_ui->runButton->setEnabled(false);
1165     }
1166 }
1167
1168 QModelIndex QtLauncher::proxyIndexForAircraftURI(QUrl uri) const
1169 {
1170   return m_aircraftProxy->mapFromSource(sourceIndexForAircraftURI(uri));
1171 }
1172
1173 QModelIndex QtLauncher::sourceIndexForAircraftURI(QUrl uri) const
1174 {
1175     AircraftItemModel* sourceModel = qobject_cast<AircraftItemModel*>(m_aircraftProxy->sourceModel());
1176     Q_ASSERT(sourceModel);
1177     return sourceModel->indexOfAircraftURI(uri);
1178 }
1179
1180 void QtLauncher::onPopupAircraftHistory()
1181 {
1182     if (m_recentAircraft.isEmpty()) {
1183         return;
1184     }
1185
1186     QMenu m;
1187     Q_FOREACH(QUrl uri, m_recentAircraft) {
1188         QModelIndex index = sourceIndexForAircraftURI(uri);
1189         if (!index.isValid()) {
1190             // not scanned yet
1191             continue;
1192         }
1193         QAction* act = m.addAction(index.data(Qt::DisplayRole).toString());
1194         act->setData(uri);
1195     }
1196
1197     QPoint popupPos = m_ui->aircraftHistory->mapToGlobal(m_ui->aircraftHistory->rect().bottomLeft());
1198     QAction* triggered = m.exec(popupPos);
1199     if (triggered) {
1200         m_selectedAircraft = triggered->data().toUrl();
1201         QModelIndex index = proxyIndexForAircraftURI(m_selectedAircraft);
1202         m_ui->aircraftList->selectionModel()->setCurrentIndex(index,
1203                                                               QItemSelectionModel::ClearAndSelect);
1204         m_ui->aircraftFilter->clear();
1205         updateSelectedAircraft();
1206     }
1207 }
1208
1209 void QtLauncher::onEditRatingsFilter()
1210 {
1211     EditRatingsFilterDialog dialog(this);
1212     dialog.setRatings(m_ratingFilters);
1213
1214     dialog.exec();
1215     if (dialog.result() == QDialog::Accepted) {
1216         QVariantList vl;
1217         for (int i=0; i<4; ++i) {
1218             m_ratingFilters[i] = dialog.getRating(i);
1219             vl.append(m_ratingFilters[i]);
1220         }
1221         m_aircraftProxy->setRatings(m_ratingFilters);
1222
1223         QSettings settings;
1224         settings.setValue("min-ratings", vl);
1225     }
1226 }
1227
1228 void QtLauncher::updateSettingsSummary()
1229 {
1230     QStringList summary;
1231     if (m_ui->timeOfDayCombo->currentIndex() > 0) {
1232         summary.append(QString(m_ui->timeOfDayCombo->currentText().toLower()));
1233     }
1234
1235     if (m_ui->seasonCombo->currentIndex() > 0) {
1236         summary.append(QString(m_ui->seasonCombo->currentText().toLower()));
1237     }
1238
1239     if (m_ui->rembrandtCheckbox->isChecked()) {
1240         summary.append("Rembrandt enabled");
1241     } else if (m_ui->msaaCheckbox->isChecked()) {
1242         summary.append("anti-aliasing");
1243     }
1244
1245     if (m_ui->fetchRealWxrCheckbox->isChecked()) {
1246         summary.append("live weather");
1247     }
1248
1249     if (m_ui->terrasyncCheck->isChecked()) {
1250         summary.append("automatic scenery downloads");
1251     }
1252
1253     if (m_ui->startPausedCheck->isChecked()) {
1254         summary.append("paused");
1255     }
1256
1257     QString s = summary.join(", ");
1258     s[0] = s[0].toUpper();
1259     m_ui->settingsDescription->setText(s);
1260 }
1261
1262 void QtLauncher::onRembrandtToggled(bool b)
1263 {
1264     // Rembrandt and multi-sample are exclusive
1265     m_ui->msaaCheckbox->setEnabled(!b);
1266 }
1267
1268 void QtLauncher::onShowInstalledAircraftToggled(bool b)
1269 {
1270     m_ui->ratingsFilterCheck->setEnabled(!b);
1271     maybeRestoreAircraftSelection();
1272 }
1273
1274 void QtLauncher::onSubsytemIdleTimeout()
1275 {
1276     globals->get_subsystem_mgr()->update(0.0);
1277 }
1278
1279 void QtLauncher::onDownloadDirChanged()
1280 {
1281
1282     // replace existing package root
1283     globals->get_subsystem<FGHTTPClient>()->shutdown();
1284     globals->setPackageRoot(simgear::pkg::RootRef());
1285
1286     // create new root with updated download-dir value
1287     fgInitPackageRoot();
1288
1289     globals->get_subsystem<FGHTTPClient>()->init();
1290
1291     QSettings settings;
1292     // re-scan the aircraft list
1293     m_aircraftModel->setPackageRoot(globals->packageRoot());
1294     m_aircraftModel->setPaths(settings.value("aircraft-paths").toStringList());
1295     m_aircraftModel->scanDirs();
1296
1297     checkOfficialCatalogMessage();
1298
1299     // re-set scenery dirs
1300     setSceneryPaths();
1301 }
1302
1303 void QtLauncher::checkOfficialCatalogMessage()
1304 {
1305     QSettings settings;
1306     bool showOfficialCatalogMesssage = !globals->get_subsystem<FGHTTPClient>()->isDefaultCatalogInstalled();
1307     if (settings.value("hide-official-catalog-message").toBool()) {
1308         showOfficialCatalogMesssage = false;
1309     }
1310
1311     m_aircraftModel->setOfficialHangarMessageVisible(showOfficialCatalogMesssage);
1312     if (showOfficialCatalogMesssage) {
1313         NoOfficialHangarMessage* messageWidget = new NoOfficialHangarMessage;
1314         connect(messageWidget, &NoOfficialHangarMessage::linkActivated,
1315                 this, &QtLauncher::onOfficialCatalogMessageLink);
1316
1317         QModelIndex index = m_aircraftProxy->mapFromSource(m_aircraftModel->officialHangarMessageIndex());
1318         m_ui->aircraftList->setIndexWidget(index, messageWidget);
1319     }
1320 }
1321
1322 void QtLauncher::onOfficialCatalogMessageLink(QUrl link)
1323 {
1324     QString s = link.toString();
1325     if (s == "action:hide") {
1326         QSettings settings;
1327         settings.setValue("hide-official-catalog-message", true);
1328     } else if (s == "action:add-official") {
1329         AddOnsPage::addDefaultCatalog(this);
1330     }
1331
1332     checkOfficialCatalogMessage();
1333 }
1334
1335 void QtLauncher::onRefreshMPServers()
1336 {
1337     if (m_mpServerRequest.get()) {
1338         return; // in-progress
1339     }
1340
1341     string url(fgGetString("/sim/multiplay/serverlist-url",
1342                            "http://liveries.flightgear.org/mpstatus/mpservers.xml"));
1343
1344     if (url.empty()) {
1345         SG_LOG(SG_IO, SG_ALERT, "do_multiplayer.refreshserverlist: no URL given");
1346         return;
1347     }
1348
1349     SGPropertyNode *targetnode = fgGetNode("/sim/multiplay/server-list", true);
1350     m_mpServerRequest.reset(new RemoteXMLRequest(url, targetnode));
1351     m_mpServerRequest->done(this, &QtLauncher::onRefreshMPServersDone);
1352     m_mpServerRequest->fail(this, &QtLauncher::onRefreshMPServersFailed);
1353     globals->get_subsystem<FGHTTPClient>()->makeRequest(m_mpServerRequest);
1354 }
1355
1356 void QtLauncher::onRefreshMPServersDone(simgear::HTTP::Request*)
1357 {
1358     // parse the properties
1359     SGPropertyNode *targetnode = fgGetNode("/sim/multiplay/server-list", true);
1360     m_ui->mpServerCombo->clear();
1361
1362     for (int i=0; i<targetnode->nChildren(); ++i) {
1363         SGPropertyNode* c = targetnode->getChild(i);
1364         if (c->getName() != std::string("server")) {
1365             continue;
1366         }
1367
1368         QString name = QString::fromStdString(c->getStringValue("name"));
1369         QString loc = QString::fromStdString(c->getStringValue("location"));
1370         QString host = QString::fromStdString(c->getStringValue("hostname"));
1371         m_ui->mpServerCombo->addItem(tr("%1 - %2").arg(name,loc), host);
1372     }
1373
1374     EditCustomMPServerDialog::addCustomItem(m_ui->mpServerCombo);
1375     restoreMPServerSelection();
1376
1377     m_mpServerRequest.clear();
1378 }
1379
1380 void QtLauncher::onRefreshMPServersFailed(simgear::HTTP::Request*)
1381 {
1382     qWarning() << "refreshing MP servers failed:" << QString::fromStdString(m_mpServerRequest->responseReason());
1383     m_mpServerRequest.clear();
1384     EditCustomMPServerDialog::addCustomItem(m_ui->mpServerCombo);
1385     restoreMPServerSelection();
1386 }
1387
1388 void QtLauncher::restoreMPServerSelection()
1389 {
1390     if (m_doRestoreMPServer) {
1391         QSettings settings;
1392         int index = m_ui->mpServerCombo->findData(settings.value("mp-server"));
1393         if (index >= 0) {
1394             m_ui->mpServerCombo->setCurrentIndex(index);
1395         }
1396         m_doRestoreMPServer = false;
1397     }
1398 }
1399
1400 void QtLauncher::onMPServerActivated(int index)
1401 {
1402     if (m_ui->mpServerCombo->itemData(index) == "custom") {
1403         EditCustomMPServerDialog dlg(this);
1404         dlg.exec();
1405         if (dlg.result() == QDialog::Accepted) {
1406             m_ui->mpServerCombo->setItemText(index, tr("Custom - %1").arg(dlg.hostname()));
1407         }
1408     }
1409 }
1410
1411 int QtLauncher::findMPServerPort(const std::string& host)
1412 {
1413     SGPropertyNode *targetnode = fgGetNode("/sim/multiplay/server-list", true);
1414     for (int i=0; i<targetnode->nChildren(); ++i) {
1415         SGPropertyNode* c = targetnode->getChild(i);
1416         if (c->getName() != std::string("server")) {
1417             continue;
1418         }
1419
1420         if (c->getStringValue("hostname") == host) {
1421             return c->getIntValue("port");
1422         }
1423     }
1424
1425     return 0;
1426 }
1427
1428 simgear::pkg::PackageRef QtLauncher::packageForAircraftURI(QUrl uri) const
1429 {
1430     if (uri.scheme() != "package") {
1431         qWarning() << "invalid URL scheme:" << uri;
1432         return simgear::pkg::PackageRef();
1433     }
1434
1435     QString ident = uri.path();
1436     return globals->packageRoot()->getPackageById(ident.toStdString());
1437 }
1438
1439 void QtLauncher::restartTheApp(QStringList fgArgs)
1440 {
1441     // Spawn a new instance of myApplication:
1442     QProcess proc;
1443     QStringList args;
1444
1445 #if defined(Q_OS_MAC)
1446     QDir dir(qApp->applicationDirPath()); // returns the 'MacOS' dir
1447     dir.cdUp(); // up to 'contents' dir
1448     dir.cdUp(); // up to .app dir
1449     // see 'man open' for details, but '-n' ensures we launch a new instance,
1450     // and we want to pass remaining arguments to us, not open.
1451     args << "-n" << dir.absolutePath() << "--args" << "--launcher" << fgArgs;
1452     qDebug() << "args" << args;
1453     proc.startDetached("open", args);
1454 #else
1455     args << "--launcher" << fgArgs;
1456     proc.startDetached(qApp->applicationFilePath(), args);
1457 #endif
1458     qApp->exit(-1);
1459 }
1460
1461 #include "QtLauncher.moc"