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