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     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 }
 703
 704 void QtLauncher::setInAppMode()
 705 {
 706   m_inAppMode = true;
 707   m_ui->tabWidget->removeTab(2);
 708   m_ui->tabWidget->removeTab(2);
 709
 710   m_ui->runButton->setText(tr("Apply"));
 711   m_ui->quitButton->setText(tr("Cancel"));
 712
 713   disconnect(m_ui->runButton, SIGNAL(clicked()), this, SLOT(onRun()));
 714   connect(m_ui->runButton, SIGNAL(clicked()), this, SLOT(onApply()));
 715 }
 716
 717 void QtLauncher::restoreSettings()
 718 {
 719     QSettings settings;
 720     m_ui->rembrandtCheckbox->setChecked(settings.value("enable-rembrandt", false).toBool());
 721     m_ui->terrasyncCheck->setChecked(settings.value("enable-terrasync", true).toBool());
 722     m_ui->fullScreenCheckbox->setChecked(settings.value("start-fullscreen", false).toBool());
 723     m_ui->msaaCheckbox->setChecked(settings.value("enable-msaa", false).toBool());
 724     m_ui->fetchRealWxrCheckbox->setChecked(settings.value("enable-realwx", true).toBool());
 725     m_ui->startPausedCheck->setChecked(settings.value("start-paused", false).toBool());
 726     m_ui->timeOfDayCombo->setCurrentIndex(settings.value("timeofday", 0).toInt());
 727     m_ui->seasonCombo->setCurrentIndex(settings.value("season", 0).toInt());
 728
 729     // full paths to -set.xml files
 730     m_recentAircraft = QUrl::fromStringList(settings.value("recent-aircraft").toStringList());
 731
 732     if (!m_recentAircraft.empty()) {
 733         m_selectedAircraft = m_recentAircraft.front();
 734     } else {
 735         // select the default C172p
 736     }
 737
 738     if (!m_inAppMode) {
 739         setSceneryPaths();
 740     }
 741
 742     m_ui->location->restoreSettings();
 743
 744     // rating filters
 745     m_ui->onlyShowInstalledCheck->setChecked(settings.value("only-show-installed", false).toBool());
 746     if (m_ui->onlyShowInstalledCheck->isChecked()) {
 747         m_ui->ratingsFilterCheck->setEnabled(false);
 748     }
 749
 750     m_ui->ratingsFilterCheck->setChecked(settings.value("ratings-filter", true).toBool());
 751     int index = 0;
 752     Q_FOREACH(QVariant v, settings.value("min-ratings").toList()) {
 753         m_ratingFilters[index++] = v.toInt();
 754     }
 755
 756     m_aircraftProxy->setRatingFilterEnabled(m_ui->ratingsFilterCheck->isChecked());
 757     m_aircraftProxy->setRatings(m_ratingFilters);
 758
 759     updateSelectedAircraft();
 760     maybeRestoreAircraftSelection();
 761
 762     m_ui->commandLineArgs->setPlainText(settings.value("additional-args").toString());
 763
 764     m_ui->mpBox->setChecked(settings.value("mp-enabled").toBool());
 765     m_ui->mpCallsign->setText(settings.value("mp-callsign").toString());
 766     // don't restore MP server here, we do it after a refresh
 767     m_doRestoreMPServer = true;
 768 }
 769
 770 void QtLauncher::delayedAircraftModelReset()
 771 {
 772     QTimer::singleShot(1, this, SLOT(maybeRestoreAircraftSelection()));
 773 }
 774
 775 void QtLauncher::maybeRestoreAircraftSelection()
 776 {
 777     QModelIndex aircraftIndex = m_aircraftModel->indexOfAircraftURI(m_selectedAircraft);
 778     QModelIndex proxyIndex = m_aircraftProxy->mapFromSource(aircraftIndex);
 779     if (proxyIndex.isValid()) {
 780         m_ui->aircraftList->selectionModel()->setCurrentIndex(proxyIndex,
 781                                                               QItemSelectionModel::ClearAndSelect);
 782         m_ui->aircraftList->selectionModel()->select(proxyIndex,
 783                                                      QItemSelectionModel::ClearAndSelect);
 784         m_ui->aircraftList->scrollTo(proxyIndex);
 785     }
 786 }
 787
 788 void QtLauncher::saveSettings()
 789 {
 790     QSettings settings;
 791     settings.setValue("enable-rembrandt", m_ui->rembrandtCheckbox->isChecked());
 792     settings.setValue("enable-terrasync", m_ui->terrasyncCheck->isChecked());
 793     settings.setValue("enable-msaa", m_ui->msaaCheckbox->isChecked());
 794     settings.setValue("start-fullscreen", m_ui->fullScreenCheckbox->isChecked());
 795     settings.setValue("enable-realwx", m_ui->fetchRealWxrCheckbox->isChecked());
 796     settings.setValue("start-paused", m_ui->startPausedCheck->isChecked());
 797     settings.setValue("ratings-filter", m_ui->ratingsFilterCheck->isChecked());
 798     settings.setValue("only-show-installed", m_ui->onlyShowInstalledCheck->isChecked());
 799     settings.setValue("recent-aircraft", QUrl::toStringList(m_recentAircraft));
 800
 801     settings.setValue("timeofday", m_ui->timeOfDayCombo->currentIndex());
 802     settings.setValue("season", m_ui->seasonCombo->currentIndex());
 803     settings.setValue("additional-args", m_ui->commandLineArgs->toPlainText());
 804
 805     m_ui->location->saveSettings();
 806
 807     settings.setValue("mp-callsign", m_ui->mpCallsign->text());
 808     settings.setValue("mp-server", m_ui->mpServerCombo->currentData());
 809     settings.setValue("mp-enabled", m_ui->mpBox->isChecked());
 810 }
 811
 812 void QtLauncher::setEnableDisableOptionFromCheckbox(QCheckBox* cbox, QString name) const
 813 {
 814     flightgear::Options* opt = flightgear::Options::sharedInstance();
 815     std::string stdName(name.toStdString());
 816     if (cbox->isChecked()) {
 817         opt->addOption("enable-" + stdName, "");
 818     } else {
 819         opt->addOption("disable-" + stdName, "");
 820     }
 821 }
 822
 823 void QtLauncher::closeEvent(QCloseEvent *event)
 824 {
 825     qApp->exit(-1);
 826 }
 827
 828 void QtLauncher::reject()
 829 {
 830     qApp->exit(-1);
 831 }
 832
 833 void QtLauncher::onRun()
 834 {
 835     flightgear::Options* opt = flightgear::Options::sharedInstance();
 836     setEnableDisableOptionFromCheckbox(m_ui->terrasyncCheck, "terrasync");
 837     setEnableDisableOptionFromCheckbox(m_ui->fetchRealWxrCheckbox, "real-weather-fetch");
 838     setEnableDisableOptionFromCheckbox(m_ui->rembrandtCheckbox, "rembrandt");
 839     setEnableDisableOptionFromCheckbox(m_ui->fullScreenCheckbox, "fullscreen");
 840 //    setEnableDisableOptionFromCheckbox(m_ui->startPausedCheck, "freeze");
 841
 842     bool startPaused = m_ui->startPausedCheck->isChecked() ||
 843             m_ui->location->shouldStartPaused();
 844     if (startPaused) {
 845         opt->addOption("enable-freeze", "");
 846     }
 847
 848     // MSAA is more complex
 849     if (!m_ui->rembrandtCheckbox->isChecked()) {
 850         if (m_ui->msaaCheckbox->isChecked()) {
 851             globals->get_props()->setIntValue("/sim/rendering/multi-sample-buffers", 1);
 852             globals->get_props()->setIntValue("/sim/rendering/multi-samples", 4);
 853         } else {
 854             globals->get_props()->setIntValue("/sim/rendering/multi-sample-buffers", 0);
 855         }
 856     }
 857
 858     // aircraft
 859     if (!m_selectedAircraft.isEmpty()) {
 860         if (m_selectedAircraft.isLocalFile()) {
 861             QFileInfo setFileInfo(m_selectedAircraft.toLocalFile());
 862             opt->addOption("aircraft-dir", setFileInfo.dir().absolutePath().toStdString());
 863             QString setFile = setFileInfo.fileName();
 864             Q_ASSERT(setFile.endsWith("-set.xml"));
 865             setFile.truncate(setFile.count() - 8); // drop the '-set.xml' portion
 866             opt->addOption("aircraft", setFile.toStdString());
 867         } else if (m_selectedAircraft.scheme() == "package") {
 868             QString qualifiedId = m_selectedAircraft.path();
 869             // no need to set aircraft-dir, handled by the corresponding code
 870             // in fgInitAircraft
 871             opt->addOption("aircraft", qualifiedId.toStdString());
 872         } else {
 873             qWarning() << "unsupported aircraft launch URL" << m_selectedAircraft;
 874         }
 875
 876       // manage aircraft history
 877         if (m_recentAircraft.contains(m_selectedAircraft))
 878           m_recentAircraft.removeOne(m_selectedAircraft);
 879         m_recentAircraft.prepend(m_selectedAircraft);
 880         if (m_recentAircraft.size() > MAX_RECENT_AIRCRAFT)
 881           m_recentAircraft.pop_back();
 882     }
 883
 884     if (m_ui->mpBox->isChecked()) {
 885         opt->addOption("callsign", m_ui->mpCallsign->text().toStdString());
 886         QString host = m_ui->mpServerCombo->currentData().toString();
 887         int port = 5000;
 888         if (host == "custom") {
 889             QSettings settings;
 890             host = settings.value("mp-custom-host").toString();
 891             port = settings.value("mp-custom-port").toInt();
 892         } else {
 893             port = findMPServerPort(host.toStdString());
 894         }
 895         globals->get_props()->setStringValue("/sim/multiplay/txhost", host.toStdString());
 896         globals->get_props()->setIntValue("/sim/multiplay/txport", port);
 897     }
 898
 899     m_ui->location->setLocationOptions();
 900
 901     // time of day
 902     if (m_ui->timeOfDayCombo->currentIndex() != 0) {
 903         QString dayval = m_ui->timeOfDayCombo->currentText().toLower();
 904         opt->addOption("timeofday", dayval.toStdString());
 905     }
 906
 907     if (m_ui->seasonCombo->currentIndex() != 0) {
 908         QString seasonName = m_ui->seasonCombo->currentText().toLower();
 909         opt->addOption("season", seasonName.toStdString());
 910     }
 911
 912     QSettings settings;
 913     QString downloadDir = settings.value("download-dir").toString();
 914     if (!downloadDir.isEmpty()) {
 915         QDir d(downloadDir);
 916         if (!d.exists()) {
 917             int result = QMessageBox::question(this, tr("Create download folder?"),
 918                                   tr("The selected location for downloads does not exist. Create it?"),
 919                                                QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel);
 920             if (result == QMessageBox::Cancel) {
 921                 return;
 922             }
 923
 924             if (result == QMessageBox::Yes) {
 925                 d.mkpath(downloadDir);
 926             }
 927         }
 928
 929         opt->addOption("download-dir", downloadDir.toStdString());
 930     }
 931
 932     // scenery paths
 933     Q_FOREACH(QString path, settings.value("scenery-paths").toStringList()) {
 934         opt->addOption("fg-scenery", path.toStdString());
 935     }
 936
 937     // aircraft paths
 938     Q_FOREACH(QString path, settings.value("aircraft-paths").toStringList()) {
 939         // can't use fg-aircraft for this, as it is processed before the launcher is run
 940         globals->append_aircraft_path(path.toStdString());
 941     }
 942
 943     // additional arguments
 944     ArgumentsTokenizer tk;
 945     Q_FOREACH(ArgumentsTokenizer::Arg a, tk.tokenize(m_ui->commandLineArgs->toPlainText())) {
 946         if (a.arg.startsWith("prop:")) {
 947             QString v = a.arg.mid(5) + "=" + a.value;
 948             opt->addOption("prop", v.toStdString());
 949         } else {
 950             opt->addOption(a.arg.toStdString(), a.value.toStdString());
 951         }
 952     }
 953
 954     if (settings.contains("restore-defaults-on-run")) {
 955         settings.remove("restore-defaults-on-run");
 956         opt->addOption("restore-defaults", "");
 957     }
 958
 959     saveSettings();
 960
 961     qApp->exit(0);
 962 }
 963
 964
 965 void QtLauncher::onApply()
 966 {
 967     accept();
 968
 969     // aircraft
 970     if (!m_selectedAircraft.isEmpty()) {
 971         std::string aircraftPropValue,
 972             aircraftDir;
 973
 974         if (m_selectedAircraft.isLocalFile()) {
 975             QFileInfo setFileInfo(m_selectedAircraft.toLocalFile());
 976             QString setFile = setFileInfo.fileName();
 977             Q_ASSERT(setFile.endsWith("-set.xml"));
 978             setFile.truncate(setFile.count() - 8); // drop the '-set.xml' portion
 979             aircraftDir = setFileInfo.dir().absolutePath().toStdString();
 980             aircraftPropValue = setFile.toStdString();
 981         } else if (m_selectedAircraft.scheme() == "package") {
 982             // no need to set aircraft-dir, handled by the corresponding code
 983             // in fgInitAircraft
 984             aircraftPropValue = m_selectedAircraft.path().toStdString();
 985         } else {
 986             qWarning() << "unsupported aircraft launch URL" << m_selectedAircraft;
 987         }
 988
 989         // manage aircraft history
 990         if (m_recentAircraft.contains(m_selectedAircraft))
 991             m_recentAircraft.removeOne(m_selectedAircraft);
 992         m_recentAircraft.prepend(m_selectedAircraft);
 993         if (m_recentAircraft.size() > MAX_RECENT_AIRCRAFT)
 994             m_recentAircraft.pop_back();
 995
 996         globals->get_props()->setStringValue("/sim/aircraft", aircraftPropValue);
 997         globals->get_props()->setStringValue("/sim/aircraft-dir", aircraftDir);
 998     }
 999
1000
1001     saveSettings();
1002 }
1003
1004 void QtLauncher::onQuit()
1005 {
1006     qApp->exit(-1);
1007 }
1008
1009 void QtLauncher::onToggleTerrasync(bool enabled)
1010 {
1011     if (enabled) {
1012         QSettings settings;
1013         QString downloadDir = settings.value("download-dir").toString();
1014         if (downloadDir.isEmpty()) {
1015             downloadDir = QString::fromStdString(flightgear::defaultDownloadDir().utf8Str());
1016         }
1017
1018         QFileInfo info(downloadDir);
1019         if (!info.exists()) {
1020             QMessageBox msg;
1021             msg.setWindowTitle(tr("Create download folder?"));
1022             msg.setText(tr("The download folder '%1' does not exist, create it now?").arg(downloadDir));
1023             msg.addButton(QMessageBox::Yes);
1024             msg.addButton(QMessageBox::Cancel);
1025             int result = msg.exec();
1026
1027             if (result == QMessageBox::Cancel) {
1028                 m_ui->terrasyncCheck->setChecked(false);
1029                 return;
1030             }
1031
1032             QDir d(downloadDir);
1033             d.mkpath(downloadDir);
1034         }
1035     } // of is enabled
1036 }
1037
1038 void QtLauncher::onAircraftInstalledCompleted(QModelIndex index)
1039 {
1040     maybeUpdateSelectedAircraft(index);
1041 }
1042
1043 void QtLauncher::onRatingsFilterToggled()
1044 {
1045     QModelIndex aircraftIndex = m_aircraftModel->indexOfAircraftURI(m_selectedAircraft);
1046     QModelIndex proxyIndex = m_aircraftProxy->mapFromSource(aircraftIndex);
1047     if (proxyIndex.isValid()) {
1048         m_ui->aircraftList->scrollTo(proxyIndex);
1049     }
1050 }
1051
1052 void QtLauncher::onAircraftInstallFailed(QModelIndex index, QString errorMessage)
1053 {
1054     qWarning() << Q_FUNC_INFO << index.data(AircraftURIRole) << errorMessage;
1055
1056     QMessageBox msg;
1057     msg.setWindowTitle(tr("Aircraft installation failed"));
1058     msg.setText(tr("An error occurred installing the aircraft %1: %2").
1059                 arg(index.data(Qt::DisplayRole).toString()).arg(errorMessage));
1060     msg.addButton(QMessageBox::Ok);
1061     msg.exec();
1062
1063     maybeUpdateSelectedAircraft(index);
1064 }
1065
1066 void QtLauncher::onAircraftSelected(const QModelIndex& index)
1067 {
1068     m_selectedAircraft = index.data(AircraftURIRole).toUrl();
1069     updateSelectedAircraft();
1070 }
1071
1072 void QtLauncher::onRequestPackageInstall(const QModelIndex& index)
1073 {
1074     // also select, otherwise UI is confusing
1075     m_selectedAircraft = index.data(AircraftURIRole).toUrl();
1076     updateSelectedAircraft();
1077
1078     QString pkg = index.data(AircraftPackageIdRole).toString();
1079     simgear::pkg::PackageRef pref = globals->packageRoot()->getPackageById(pkg.toStdString());
1080     if (pref->isInstalled()) {
1081         InstallRef install = pref->existingInstall();
1082         if (install && install->hasUpdate()) {
1083             globals->packageRoot()->scheduleToUpdate(install);
1084         }
1085     } else {
1086         pref->install();
1087     }
1088 }
1089
1090 void QtLauncher::onCancelDownload(const QModelIndex& index)
1091 {
1092     QString pkg = index.data(AircraftPackageIdRole).toString();
1093     simgear::pkg::PackageRef pref = globals->packageRoot()->getPackageById(pkg.toStdString());
1094     simgear::pkg::InstallRef i = pref->existingInstall();
1095     i->cancelDownload();
1096 }
1097
1098 void QtLauncher::onRestoreDefaults()
1099 {
1100     QMessageBox mbox(this);
1101     mbox.setText(tr("Restore all settings to defaults?"));
1102     mbox.setInformativeText(tr("Restoring settings to their defaults may affect available add-ons such as scenery or aircraft."));
1103     QPushButton* quitButton = mbox.addButton(tr("Restore and restart now"), QMessageBox::YesRole);
1104     mbox.addButton(QMessageBox::Cancel);
1105     mbox.setDefaultButton(QMessageBox::Cancel);
1106     mbox.setIconPixmap(QPixmap(":/app-icon-large"));
1107
1108     mbox.exec();
1109     if (mbox.clickedButton() != quitButton) {
1110         return;
1111     }
1112
1113     {
1114         QSettings settings;
1115         settings.clear();
1116         settings.setValue("restore-defaults-on-run", true);
1117     }
1118
1119     restartTheApp(QStringList());
1120 }
1121
1122 void QtLauncher::maybeUpdateSelectedAircraft(QModelIndex index)
1123 {
1124     QUrl u = index.data(AircraftURIRole).toUrl();
1125     if (u == m_selectedAircraft) {
1126         // potentially enable the run button now!
1127         updateSelectedAircraft();
1128     }
1129 }
1130
1131 void QtLauncher::updateSelectedAircraft()
1132 {
1133     QModelIndex index = m_aircraftModel->indexOfAircraftURI(m_selectedAircraft);
1134     if (index.isValid()) {
1135         QPixmap pm = index.data(Qt::DecorationRole).value<QPixmap>();
1136         m_ui->thumbnail->setPixmap(pm);
1137         m_ui->aircraftDescription->setText(index.data(Qt::DisplayRole).toString());
1138
1139         int status = index.data(AircraftPackageStatusRole).toInt();
1140         bool canRun = (status == PackageInstalled);
1141         m_ui->runButton->setEnabled(canRun);
1142
1143         LauncherAircraftType aircraftType = Airplane;
1144         if (index.data(AircraftIsHelicopterRole).toBool()) {
1145             aircraftType = Helicopter;
1146         } else if (index.data(AircraftIsSeaplaneRole).toBool()) {
1147             aircraftType = Seaplane;
1148         }
1149
1150         m_ui->location->setAircraftType(aircraftType);
1151     } else {
1152         m_ui->thumbnail->setPixmap(QPixmap());
1153         m_ui->aircraftDescription->setText("");
1154         m_ui->runButton->setEnabled(false);
1155     }
1156 }
1157
1158 QModelIndex QtLauncher::proxyIndexForAircraftURI(QUrl uri) const
1159 {
1160   return m_aircraftProxy->mapFromSource(sourceIndexForAircraftURI(uri));
1161 }
1162
1163 QModelIndex QtLauncher::sourceIndexForAircraftURI(QUrl uri) const
1164 {
1165     AircraftItemModel* sourceModel = qobject_cast<AircraftItemModel*>(m_aircraftProxy->sourceModel());
1166     Q_ASSERT(sourceModel);
1167     return sourceModel->indexOfAircraftURI(uri);
1168 }
1169
1170 void QtLauncher::onPopupAircraftHistory()
1171 {
1172     if (m_recentAircraft.isEmpty()) {
1173         return;
1174     }
1175
1176     QMenu m;
1177     Q_FOREACH(QUrl uri, m_recentAircraft) {
1178         QModelIndex index = sourceIndexForAircraftURI(uri);
1179         if (!index.isValid()) {
1180             // not scanned yet
1181             continue;
1182         }
1183         QAction* act = m.addAction(index.data(Qt::DisplayRole).toString());
1184         act->setData(uri);
1185     }
1186
1187     QPoint popupPos = m_ui->aircraftHistory->mapToGlobal(m_ui->aircraftHistory->rect().bottomLeft());
1188     QAction* triggered = m.exec(popupPos);
1189     if (triggered) {
1190         m_selectedAircraft = triggered->data().toUrl();
1191         QModelIndex index = proxyIndexForAircraftURI(m_selectedAircraft);
1192         m_ui->aircraftList->selectionModel()->setCurrentIndex(index,
1193                                                               QItemSelectionModel::ClearAndSelect);
1194         m_ui->aircraftFilter->clear();
1195         updateSelectedAircraft();
1196     }
1197 }
1198
1199 void QtLauncher::onEditRatingsFilter()
1200 {
1201     EditRatingsFilterDialog dialog(this);
1202     dialog.setRatings(m_ratingFilters);
1203
1204     dialog.exec();
1205     if (dialog.result() == QDialog::Accepted) {
1206         QVariantList vl;
1207         for (int i=0; i<4; ++i) {
1208             m_ratingFilters[i] = dialog.getRating(i);
1209             vl.append(m_ratingFilters[i]);
1210         }
1211         m_aircraftProxy->setRatings(m_ratingFilters);
1212
1213         QSettings settings;
1214         settings.setValue("min-ratings", vl);
1215     }
1216 }
1217
1218 void QtLauncher::updateSettingsSummary()
1219 {
1220     QStringList summary;
1221     if (m_ui->timeOfDayCombo->currentIndex() > 0) {
1222         summary.append(QString(m_ui->timeOfDayCombo->currentText().toLower()));
1223     }
1224
1225     if (m_ui->seasonCombo->currentIndex() > 0) {
1226         summary.append(QString(m_ui->seasonCombo->currentText().toLower()));
1227     }
1228
1229     if (m_ui->rembrandtCheckbox->isChecked()) {
1230         summary.append("Rembrandt enabled");
1231     } else if (m_ui->msaaCheckbox->isChecked()) {
1232         summary.append("anti-aliasing");
1233     }
1234
1235     if (m_ui->fetchRealWxrCheckbox->isChecked()) {
1236         summary.append("live weather");
1237     }
1238
1239     if (m_ui->terrasyncCheck->isChecked()) {
1240         summary.append("automatic scenery downloads");
1241     }
1242
1243     if (m_ui->startPausedCheck->isChecked()) {
1244         summary.append("paused");
1245     }
1246
1247     QString s = summary.join(", ");
1248     s[0] = s[0].toUpper();
1249     m_ui->settingsDescription->setText(s);
1250 }
1251
1252 void QtLauncher::onRembrandtToggled(bool b)
1253 {
1254     // Rembrandt and multi-sample are exclusive
1255     m_ui->msaaCheckbox->setEnabled(!b);
1256 }
1257
1258 void QtLauncher::onShowInstalledAircraftToggled(bool b)
1259 {
1260     m_ui->ratingsFilterCheck->setEnabled(!b);
1261     maybeRestoreAircraftSelection();
1262 }
1263
1264 void QtLauncher::onSubsytemIdleTimeout()
1265 {
1266     globals->get_subsystem_mgr()->update(0.0);
1267 }
1268
1269 void QtLauncher::onDownloadDirChanged()
1270 {
1271
1272     // replace existing package root
1273     globals->get_subsystem<FGHTTPClient>()->shutdown();
1274     globals->setPackageRoot(simgear::pkg::RootRef());
1275
1276     // create new root with updated download-dir value
1277     fgInitPackageRoot();
1278
1279     globals->get_subsystem<FGHTTPClient>()->init();
1280
1281     QSettings settings;
1282     // re-scan the aircraft list
1283     m_aircraftModel->setPackageRoot(globals->packageRoot());
1284     m_aircraftModel->setPaths(settings.value("aircraft-paths").toStringList());
1285     m_aircraftModel->scanDirs();
1286
1287     checkOfficialCatalogMessage();
1288
1289     // re-set scenery dirs
1290     setSceneryPaths();
1291 }
1292
1293 void QtLauncher::checkOfficialCatalogMessage()
1294 {
1295     QSettings settings;
1296     bool showOfficialCatalogMesssage = !globals->get_subsystem<FGHTTPClient>()->isDefaultCatalogInstalled();
1297     if (settings.value("hide-official-catalog-message").toBool()) {
1298         showOfficialCatalogMesssage = false;
1299     }
1300
1301     m_aircraftModel->setOfficialHangarMessageVisible(showOfficialCatalogMesssage);
1302     if (showOfficialCatalogMesssage) {
1303         NoOfficialHangarMessage* messageWidget = new NoOfficialHangarMessage;
1304         connect(messageWidget, &NoOfficialHangarMessage::linkActivated,
1305                 this, &QtLauncher::onOfficialCatalogMessageLink);
1306
1307         QModelIndex index = m_aircraftProxy->mapFromSource(m_aircraftModel->officialHangarMessageIndex());
1308         m_ui->aircraftList->setIndexWidget(index, messageWidget);
1309     }
1310 }
1311
1312 void QtLauncher::onOfficialCatalogMessageLink(QUrl link)
1313 {
1314     QString s = link.toString();
1315     if (s == "action:hide") {
1316         QSettings settings;
1317         settings.setValue("hide-official-catalog-message", true);
1318     } else if (s == "action:add-official") {
1319         AddOnsPage::addDefaultCatalog(this);
1320     }
1321
1322     checkOfficialCatalogMessage();
1323 }
1324
1325 void QtLauncher::onRefreshMPServers()
1326 {
1327     if (m_mpServerRequest.get()) {
1328         return; // in-progress
1329     }
1330
1331     string url(fgGetString("/sim/multiplay/serverlist-url",
1332                            "http://liveries.flightgear.org/mpstatus/mpservers.xml"));
1333
1334     if (url.empty()) {
1335         SG_LOG(SG_IO, SG_ALERT, "do_multiplayer.refreshserverlist: no URL given");
1336         return;
1337     }
1338
1339     SGPropertyNode *targetnode = fgGetNode("/sim/multiplay/server-list", true);
1340     m_mpServerRequest.reset(new RemoteXMLRequest(url, targetnode));
1341     m_mpServerRequest->done(this, &QtLauncher::onRefreshMPServersDone);
1342     m_mpServerRequest->fail(this, &QtLauncher::onRefreshMPServersFailed);
1343     globals->get_subsystem<FGHTTPClient>()->makeRequest(m_mpServerRequest);
1344 }
1345
1346 void QtLauncher::onRefreshMPServersDone(simgear::HTTP::Request*)
1347 {
1348     // parse the properties
1349     SGPropertyNode *targetnode = fgGetNode("/sim/multiplay/server-list", true);
1350     m_ui->mpServerCombo->clear();
1351
1352     for (int i=0; i<targetnode->nChildren(); ++i) {
1353         SGPropertyNode* c = targetnode->getChild(i);
1354         if (c->getName() != std::string("server")) {
1355             continue;
1356         }
1357
1358         QString name = QString::fromStdString(c->getStringValue("name"));
1359         QString loc = QString::fromStdString(c->getStringValue("location"));
1360         QString host = QString::fromStdString(c->getStringValue("hostname"));
1361         m_ui->mpServerCombo->addItem(tr("%1 - %2").arg(name,loc), host);
1362     }
1363
1364     EditCustomMPServerDialog::addCustomItem(m_ui->mpServerCombo);
1365     restoreMPServerSelection();
1366
1367     m_mpServerRequest.clear();
1368 }
1369
1370 void QtLauncher::onRefreshMPServersFailed(simgear::HTTP::Request*)
1371 {
1372     qWarning() << "refreshing MP servers failed:" << QString::fromStdString(m_mpServerRequest->responseReason());
1373     m_mpServerRequest.clear();
1374     EditCustomMPServerDialog::addCustomItem(m_ui->mpServerCombo);
1375     restoreMPServerSelection();
1376 }
1377
1378 void QtLauncher::restoreMPServerSelection()
1379 {
1380     if (m_doRestoreMPServer) {
1381         QSettings settings;
1382         int index = m_ui->mpServerCombo->findData(settings.value("mp-server"));
1383         if (index >= 0) {
1384             m_ui->mpServerCombo->setCurrentIndex(index);
1385         }
1386         m_doRestoreMPServer = false;
1387     }
1388 }
1389
1390 void QtLauncher::onMPServerActivated(int index)
1391 {
1392     if (m_ui->mpServerCombo->itemData(index) == "custom") {
1393         EditCustomMPServerDialog dlg(this);
1394         dlg.exec();
1395         if (dlg.result() == QDialog::Accepted) {
1396             m_ui->mpServerCombo->setItemText(index, tr("Custom - %1").arg(dlg.hostname()));
1397         }
1398     }
1399 }
1400
1401 int QtLauncher::findMPServerPort(const std::string& host)
1402 {
1403     SGPropertyNode *targetnode = fgGetNode("/sim/multiplay/server-list", true);
1404     for (int i=0; i<targetnode->nChildren(); ++i) {
1405         SGPropertyNode* c = targetnode->getChild(i);
1406         if (c->getName() != std::string("server")) {
1407             continue;
1408         }
1409
1410         if (c->getStringValue("hostname") == host) {
1411             return c->getIntValue("port");
1412         }
1413     }
1414
1415     return 0;
1416 }
1417
1418 simgear::pkg::PackageRef QtLauncher::packageForAircraftURI(QUrl uri) const
1419 {
1420     if (uri.scheme() != "package") {
1421         qWarning() << "invalid URL scheme:" << uri;
1422         return simgear::pkg::PackageRef();
1423     }
1424
1425     QString ident = uri.path();
1426     return globals->packageRoot()->getPackageById(ident.toStdString());
1427 }
1428
1429 void QtLauncher::restartTheApp(QStringList fgArgs)
1430 {
1431     // Spawn a new instance of myApplication:
1432     QProcess proc;
1433     QStringList args;
1434
1435 #if defined(Q_OS_MAC)
1436     QDir dir(qApp->applicationDirPath()); // returns the 'MacOS' dir
1437     dir.cdUp(); // up to 'contents' dir
1438     dir.cdUp(); // up to .app dir
1439     // see 'man open' for details, but '-n' ensures we launch a new instance,
1440     // and we want to pass remaining arguments to us, not open.
1441     args << "-n" << dir.absolutePath() << "--args" << "--launcher" << fgArgs;
1442     qDebug() << "args" << args;
1443     proc.startDetached("open", args);
1444 #else
1445     args << "--launcher" << fgArgs;
1446     proc.startDetached(qApp->applicationFilePath(), args);
1447 #endif
1448     qApp->exit(-1);
1449 }
1450
1451 #include "QtLauncher.moc"