15670918640

Committed 16 Jun 2025 02:08AM UTC coverage: 11.775% (-0.2%) from 11.931%

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3.32

/src/core/StelApp.cpp

/*
 * Stellarium
 * Copyright (C) 2006 Fabien Chereau
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335, USA.
 */

#include "StelApp.hpp"

#include "Dithering.hpp"
#include "StelCore.hpp"
#include "StelMainView.hpp"
#include "StelSplashScreen.hpp"
#include "StelUtils.hpp"
#include "StelTextureMgr.hpp"
#include "StelObjectMgr.hpp"
#include "ConstellationMgr.hpp"
#include "AsterismMgr.hpp"
#include "HipsMgr.hpp"
#include "NebulaMgr.hpp"
#include "LandscapeMgr.hpp"
#include "CustomObjectMgr.hpp"
#include "HighlightMgr.hpp"
#include "GridLinesMgr.hpp"
#include "MilkyWay.hpp"
#include "ZodiacalLight.hpp"
#include "LabelMgr.hpp"
#include "MarkerMgr.hpp"
#include "SolarSystem.hpp"
#include "NomenclatureMgr.hpp"
#include "SporadicMeteorMgr.hpp"
#include "SpecificTimeMgr.hpp"
#include "StarMgr.hpp"
#include "StelProjector.hpp"
#include "StelLocationMgr.hpp"
#include "ToastMgr.hpp"
#include "StelActionMgr.hpp"
#include "StelPropertyMgr.hpp"
#include "StelProgressController.hpp"
#include "StelModuleMgr.hpp"
#include "StelLocaleMgr.hpp"
#include "StelSkyCultureMgr.hpp"
#include "StelFileMgr.hpp"
#include "StelSkyLayerMgr.hpp"
#include "StelAudioMgr.hpp"
#include "StelVideoMgr.hpp"
#include "SpecialMarkersMgr.hpp"
#include "StelViewportEffect.hpp"
#include "StelGuiBase.hpp"
#include "StelGui.hpp"
#include "StelGuiItems.hpp"
#include "StelPainter.hpp"
#ifdef ENABLE_SCRIPTING
 #include "StelScriptMgr.hpp"
 #include "StelMainScriptAPIProxy.hpp"

#ifdef USE_STATIC_PLUGIN_CALENDARS
 #include "../plugins/Calendars/src/Calendars.hpp"
#endif
#endif


#include <cstdlib>
#include <iostream>
#include <QDebug>
#include <QFile>
#include <QFileInfo>
#include <QMouseEvent>
#include <QNetworkAccessManager>
#include <QNetworkDiskCache>
#include <QNetworkProxy>
#include <QNetworkReply>
#include <QOpenGLBuffer>
#include <QOpenGLContext>
#include <QOpenGLShaderProgram>
#include <QOpenGLVertexArrayObject>
#include <QOpenGLFramebufferObject>
#include <QOpenGLFunctions_3_3_Core>
#include <QString>
#include <QStringList>
#include <QSysInfo>
#include <QTextStream>
#include <QTimer>
#include <QDir>
#include <QCoreApplication>
#include <QGuiApplication>
#include <QScreen>
#include <QDateTime>
#include <QRegularExpression>
#include <QRandomGenerator>
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
#include <QImageReader>
#endif
#ifdef ENABLE_SPOUT
#include <QMessageBox>
#include "SpoutSender.hpp"
#endif

#ifdef USE_STATIC_PLUGIN_HELLOSTELMODULE
Q_IMPORT_PLUGIN(HelloStelModuleStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_SIMPLEDRAWLINE
Q_IMPORT_PLUGIN(SimpleDrawLineStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_ANGLEMEASURE
Q_IMPORT_PLUGIN(AngleMeasureStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_ARCHAEOLINES
Q_IMPORT_PLUGIN(ArchaeoLinesStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_CALENDARS
Q_IMPORT_PLUGIN(CalendarsStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_SATELLITES
Q_IMPORT_PLUGIN(SatellitesStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_TEXTUSERINTERFACE
Q_IMPORT_PLUGIN(TextUserInterfaceStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_OCULARS
Q_IMPORT_PLUGIN(OcularsStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_OCULUS
Q_IMPORT_PLUGIN(OculusStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_TELESCOPECONTROL
Q_IMPORT_PLUGIN(TelescopeControlStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_SOLARSYSTEMEDITOR
Q_IMPORT_PLUGIN(SolarSystemEditorStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_LENSDISTORTIONESTIMATOR
Q_IMPORT_PLUGIN(LensDistortionEstimatorStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_METEORSHOWERS
Q_IMPORT_PLUGIN(MeteorShowersStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_NAVSTARS
Q_IMPORT_PLUGIN(NavStarsStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_NOVAE
Q_IMPORT_PLUGIN(NovaeStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_SUPERNOVAE
Q_IMPORT_PLUGIN(SupernovaeStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_QUASARS
Q_IMPORT_PLUGIN(QuasarsStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_PULSARS
Q_IMPORT_PLUGIN(PulsarsStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_EXOPLANETS
Q_IMPORT_PLUGIN(ExoplanetsStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_EQUATIONOFTIME
Q_IMPORT_PLUGIN(EquationOfTimeStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_POINTERCOORDINATES
Q_IMPORT_PLUGIN(PointerCoordinatesStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_OBSERVABILITY
Q_IMPORT_PLUGIN(ObservabilityStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_SCENERY3D
Q_IMPORT_PLUGIN(Scenery3dStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_REMOTECONTROL
Q_IMPORT_PLUGIN(RemoteControlStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_REMOTESYNC
Q_IMPORT_PLUGIN(RemoteSyncStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_VTS
Q_IMPORT_PLUGIN(VtsStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_ONLINEQUERIES
Q_IMPORT_PLUGIN(OnlineQueriesPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_NEBULATEXTURES
Q_IMPORT_PLUGIN(NebulaTexturesStelPluginInterface)
#endif

#ifdef USE_STATIC_PLUGIN_MOSAICCAMERA
Q_IMPORT_PLUGIN(MosaicCameraStelPluginInterface)
#endif

// Initialize static variables
StelApp* StelApp::singleton = Q_NULLPTR;
qint64 StelApp::startMSecs = 0;
double StelApp::animationScale = 1.;

void StelApp::initStatic()
{
        StelApp::startMSecs = QDateTime::currentMSecsSinceEpoch();
}

void StelApp::deinitStatic()
{
        StelApp::startMSecs = 0;
}

/*************************************************************************
 Create and initialize the main Stellarium application.
*************************************************************************/
StelApp::StelApp(StelMainView *parent)
        : QObject(parent)
        , randomGenerator(Q_NULLPTR)
        , mainWin(parent)
        , core(Q_NULLPTR)
        , moduleMgr(Q_NULLPTR)
        , localeMgr(Q_NULLPTR)
        , skyCultureMgr(Q_NULLPTR)
        , actionMgr(Q_NULLPTR)
        , propMgr(Q_NULLPTR)
        , textureMgr(Q_NULLPTR)
        , stelObjectMgr(Q_NULLPTR)
        , planetLocationMgr(Q_NULLPTR)
        , networkAccessManager(Q_NULLPTR)
        , audioMgr(Q_NULLPTR)
        , videoMgr(Q_NULLPTR)
        , skyImageMgr(Q_NULLPTR)
#ifdef ENABLE_SCRIPTING
        , scriptAPIProxy(Q_NULLPTR)
        , scriptMgr(Q_NULLPTR)
#endif
        , stelGui(Q_NULLPTR)
        , devicePixelsPerPixel(1.)
        , fps(0)
        , frame(0)
        , frameTimeAccum(0.)
        , flagNightVision(false)
        , confSettings(Q_NULLPTR)
        , initialized(false)
        , saveProjW(-1.)
        , saveProjH(-1.)
        , nbDownloadedFiles(0)
        , totalDownloadedSize(0)
        , nbUsedCache(0)
        , totalUsedCacheSize(0)
        , screenFontSize(getDefaultGuiFontSize())
        , renderBuffer(Q_NULLPTR)
        , viewportEffect(Q_NULLPTR)
        , gl(Q_NULLPTR)
        , flagShowDecimalDegrees(false)
        , flagUseAzimuthFromSouth(false)
        , flagUseFormattingOutput(false)
        , flagUseCCSDesignation(false)
        , flagOverwriteInfoColor(false)
        , overwriteInfoColor(Vec3f(1.f))
        , daylightInfoColor(Vec3f(0.f))
        #ifdef ENABLE_SPOUT
        , spoutSender(Q_NULLPTR)
        #endif
        , currentFbo(0)
{
        setObjectName("StelApp");

        // Can't create 2 StelApp instances
        Q_ASSERT(!singleton);
        singleton = this;

        moduleMgr = new StelModuleMgr();
        randomGenerator = new QRandomGenerator(static_cast<quint32>(QDateTime::currentMSecsSinceEpoch()));
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
        // QImageReader has a new limitation. For super-large landscapes or other textures, we need to circumvent this.
        QImageReader::setAllocationLimit(1024); // Allow max texture size 16k x 16k
#endif
}

/*************************************************************************
 Deinitialize and destroy the main Stellarium application.
*************************************************************************/
StelApp::~StelApp()
{
        qInfo() << qPrintable(QString("Downloaded %1 files (%2 kbytes) in a session of %3 sec (average of %4 kB/s + %5 files from cache (%6 kB)).").arg(nbDownloadedFiles).arg(totalDownloadedSize/1024).arg(getTotalRunTime()).arg(static_cast<double>(totalDownloadedSize/1024)/getTotalRunTime()).arg(nbUsedCache).arg(totalUsedCacheSize/1024));

        stelObjectMgr->unSelect();
        moduleMgr->unloadModule("StelVideoMgr", false);  // We need to delete it afterward
        moduleMgr->unloadModule("StelSkyLayerMgr", false);  // We need to delete it afterward
        moduleMgr->unloadModule("StelObjectMgr", false);// We need to delete it afterward
        moduleMgr->unloadModule("StelSkyCultureMgr", true);// No need to delete only later!
        StelModuleMgr* tmp = moduleMgr;
        moduleMgr = new StelModuleMgr(); // Create a secondary instance to avoid crashes at other deinit
        delete tmp; tmp=Q_NULLPTR;
        delete skyImageMgr; skyImageMgr=Q_NULLPTR;
        delete core; core=Q_NULLPTR;
        delete localeMgr; localeMgr=Q_NULLPTR;
        delete audioMgr; audioMgr=Q_NULLPTR;
        delete videoMgr; videoMgr=Q_NULLPTR;
        delete stelObjectMgr; stelObjectMgr=Q_NULLPTR; // Delete the module by hand afterward
        delete textureMgr; textureMgr=Q_NULLPTR;
        delete planetLocationMgr; planetLocationMgr=Q_NULLPTR;
        delete moduleMgr; moduleMgr=Q_NULLPTR; // Delete the secondary instance
        delete actionMgr; actionMgr = Q_NULLPTR;
        delete propMgr; propMgr = Q_NULLPTR;
        delete renderBuffer; renderBuffer = Q_NULLPTR;
        delete randomGenerator; randomGenerator=Q_NULLPTR;
        Q_ASSERT(singleton);
        singleton = Q_NULLPTR;
}

void StelApp::setupNetworkProxy()
{
        QString proxyHost = confSettings->value("proxy/host_name").toString();
        QString proxyPort = confSettings->value("proxy/port").toString();
        QString proxyUser = confSettings->value("proxy/user").toString();
        QString proxyPass = confSettings->value("proxy/password").toString();
        QString proxyType = confSettings->value("proxy/type").toString();

        // If proxy settings not found in config, use environment variable
        // if it is defined.  (Config file over-rides environment).
        if (proxyHost.isEmpty() && proxyUser.isEmpty() && proxyPass.isEmpty() && proxyPort.isEmpty())
        {
                char *httpProxyEnv;
                httpProxyEnv = std::getenv("http_proxy");
                if (!httpProxyEnv)
                {
                        httpProxyEnv = std::getenv("HTTP_PROXY");
                }
                if (httpProxyEnv)
                {
                        QString proxyString = QString(httpProxyEnv);
                        if (!proxyString.isEmpty())
                        {
                                // Handle http_proxy of the form
                                // proto://username:password@fqdn:port
                                // e.g.:
                                // http://usr:pass@proxy.loc:3128/
                                // http://proxy.loc:3128/
                                // http://2001:62a:4:203:6ab5:99ff:fef2:560b:3128/
                                // http://foo:bar@2001:62a:4:203:6ab5:99ff:fef2:560b:3128/
                                static const QRegularExpression pre("^([^:]+://)?(?:([^:]+):([^@]*)@)?(.+):([\\d]+)");
                                QRegularExpressionMatch preMatch=pre.match(proxyString);
                                if (proxyString.indexOf(pre) >= 0)
                                {
                                        proxyType = preMatch.captured(1);
                                        proxyUser = preMatch.captured(2);
                                        proxyPass = preMatch.captured(3);
                                        proxyHost = preMatch.captured(4);
                                        proxyPort = preMatch.captured(5);
                                }
                                else
                                {
                                        qDebug() << "indecipherable environment variable http_proxy:" << proxyString;
                                        return;
                                }
                        }
                }
        }

        bool useSocksProxy = proxyType.contains("socks", Qt::CaseInsensitive);

        if (!proxyHost.isEmpty())
        {
                QNetworkProxy proxy;
                if (useSocksProxy)
                        proxy.setType(QNetworkProxy::Socks5Proxy);
                else
                        proxy.setType(QNetworkProxy::HttpProxy);
                proxy.setHostName(proxyHost);
                if (!proxyPort.isEmpty())
                        proxy.setPort(proxyPort.toUShort());

                if (!proxyUser.isEmpty())
                        proxy.setUser(proxyUser);

                if (!proxyPass.isEmpty())
                        proxy.setPassword(proxyPass);

                QString ppDisp = proxyPass;
                ppDisp.fill('*');
                if (useSocksProxy)
                        qDebug() << "Using SOCKS proxy:" << proxyUser << ppDisp << proxyHost << proxyPort;
                else
                        qDebug() << "Using HTTP proxy:" << proxyUser << ppDisp << proxyHost << proxyPort;
                QNetworkProxy::setApplicationProxy(proxy);
        }
}

#ifdef ENABLE_SCRIPTING
void StelApp::initScriptMgr()
{
        scriptMgr->addModules();

#ifdef USE_STATIC_PLUGIN_CALENDARS
        Calendars *cal=GETSTELMODULE_SILENT(Calendars);
        if (cal)
                cal->makeCalendarsScriptable(scriptMgr);
#endif
        QString startupScript;
        if (qApp->property("onetime_startup_script").isValid())
                startupScript = qApp->property("onetime_startup_script").toString();
        else
                startupScript = confSettings->value("scripts/startup_script", "startup.ssc").toString();
        // Use a queued slot call to start the script only once the main qApp event loop is running...
        QMetaObject::invokeMethod(scriptMgr,
                                  "runScript",
                                  Qt::QueuedConnection,
                                  Q_ARG(QString, startupScript));
}
#else
void StelApp::initScriptMgr() {}
#endif

QStringList StelApp::getCommandlineArguments()
{
        return qApp->property("stelCommandLine").toStringList();
}

void StelApp::init(QSettings* conf)
{
        gl = QOpenGLContext::currentContext()->functions();
        confSettings = conf;

        devicePixelsPerPixel = StelMainView::getInstance().devicePixelRatioF();
        qInfo() << "Initial high-DPI scaling factor:" << devicePixelsPerPixel;

        setScreenFontSize(confSettings->value("gui/screen_font_size", getDefaultGuiFontSize()).toInt());
        setGuiFontSize(confSettings->value("gui/gui_font_size", getDefaultGuiFontSize()).toInt());
        setScreenButtonScale(confSettings->value("gui/screen_button_scale", 100).toDouble());

        SplashScreen::present(guiFontSizeRatio());

        setFlagImmediateSave(confSettings->value("gui/immediate_save_details", false).toBool());

        core = new StelCore();
        if (!fuzzyEquals(saveProjW, -1.) && !fuzzyEquals(saveProjH, -1.))
                core->windowHasBeenResized(0, 0, saveProjW, saveProjH);
        
        //Initializing locale at the beginning to show all strings translated
        localeMgr = new StelLocaleMgr();
        localeMgr->init();
        //SplashScreen::showMessage(q_("Initializing locales..."));

        SplashScreen::showMessage(q_("Initializing textures..."));
        // Initialize AFTER creation of openGL context
        textureMgr = new StelTextureMgr();

        SplashScreen::showMessage(q_("Initializing network access..."));
        networkAccessManager = new QNetworkAccessManager(this);
        networkAccessManager->setRedirectPolicy(QNetworkRequest::NoLessSafeRedirectPolicy);
        SplashScreen::showMessage(q_("Initializing network disk cache..."));
        // Activate http cache if Qt version >= 4.5
        QNetworkDiskCache* cache = new QNetworkDiskCache(networkAccessManager);
        //make maximum cache size configurable (in MB)
        //the default Qt value (50 MB) is quite low, especially for DSS
        cache->setMaximumCacheSize(confSettings->value("main/network_cache_size",300).toInt() * 1024 * 1024);
        QString cachePath = StelFileMgr::getCacheDir();

        qInfo().noquote() << "Cache directory:" << QDir::toNativeSeparators(cachePath);
        cache->setCacheDirectory(cachePath);
        networkAccessManager->setCache(cache);        
        connect(networkAccessManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(reportFileDownloadFinished(QNetworkReply*)));

        // Proxy Initialisation
        SplashScreen::showMessage(q_("Initializing network proxy..."));
        setupNetworkProxy();

        //create non-StelModule managers
        propMgr = new StelPropertyMgr();
        skyCultureMgr = new StelSkyCultureMgr();
        skyCultureMgr->init();
        getModuleMgr().registerModule(skyCultureMgr);

        planetLocationMgr = new StelLocationMgr();
        actionMgr = new StelActionMgr();

        // register non-modules for StelProperty tracking
        propMgr->registerObject(this);
        propMgr->registerObject(mainWin);

        // Stel Object Data Base manager
        SplashScreen::showMessage(q_("Initializing Object Database..."));
        stelObjectMgr = new StelObjectMgr();
        stelObjectMgr->init();
        getModuleMgr().registerModule(stelObjectMgr);        

        // Hips surveys
        SplashScreen::showMessage(q_("Initializing HiPS survey..."));
        HipsMgr* hipsMgr = new HipsMgr();
        hipsMgr->init();
        getModuleMgr().registerModule(hipsMgr);

        // Init the solar system first
        SplashScreen::showMessage(q_("Initializing Solar System objects..."));
        SolarSystem* ssystem = new SolarSystem();
        ssystem->init();
        getModuleMgr().registerModule(ssystem);

        // Init the nomenclature for Solar system bodies
        SplashScreen::showMessage(q_("Initializing planetary nomenclature..."));
        NomenclatureMgr* nomenclature = new NomenclatureMgr();
        nomenclature->init();
        getModuleMgr().registerModule(nomenclature);

        // Load stars & their names
        SplashScreen::showMessage(q_("Initializing stars..."));
        StarMgr* hip_stars = new StarMgr();
        hip_stars->init();
        getModuleMgr().registerModule(hip_stars);

        SplashScreen::showMessage(q_("Initializing core..."));
        core->init();

        // Init nebulas
        SplashScreen::showMessage(q_("Initializing deep-sky objects..."));
        NebulaMgr* nebulas = new NebulaMgr();
        nebulas->init();
        getModuleMgr().registerModule(nebulas);

        // Init milky way
        SplashScreen::showMessage(q_("Initializing Milky Way..."));
        MilkyWay* milky_way = new MilkyWay();
        milky_way->init();
        getModuleMgr().registerModule(milky_way);

        // Init zodiacal light
        SplashScreen::showMessage(q_("Initializing zodiacal light..."));
        ZodiacalLight* zodiacal_light = new ZodiacalLight();
        zodiacal_light->init();
        getModuleMgr().registerModule(zodiacal_light);

        // Init sky image manager
        SplashScreen::showMessage(q_("Initializing sky image layer..."));
        skyImageMgr = new StelSkyLayerMgr();
        skyImageMgr->init();
        getModuleMgr().registerModule(skyImageMgr);

        // Toast surveys
        SplashScreen::showMessage(q_("Initializing TOAST surveys..."));
        ToastMgr* toasts = new ToastMgr();
        toasts->init();
        getModuleMgr().registerModule(toasts);

        // Init audio manager. When media support is disabled,
        // we silently create dummy managers.
#ifdef ENABLE_MEDIA
        const bool audioOK = !(qApp->property("onetime_no-audio").toBool())
                        && confSettings->value("audio/enabled", true).toBool();
#else
        const bool audioOK = false;
#endif
        if (audioOK)
                SplashScreen::showMessage(q_("Initializing audio..."));
        audioMgr = new StelAudioMgr(audioOK);
        // QtMultimedia can create and destroy intermediate contexts during initialization,
        // displacing our main context, see GH#4143. So restore our context.
        ensureGLContextCurrent();

        // Init video manager
#ifdef ENABLE_MEDIA
        SplashScreen::showMessage(q_("Initializing video..."));
#endif
        videoMgr = new StelVideoMgr(audioOK);
        videoMgr->init();
        getModuleMgr().registerModule(videoMgr);

        // Constellations
        SplashScreen::showMessage(q_("Initializing constellations..."));
        ConstellationMgr* constellations = new ConstellationMgr(hip_stars);
        constellations->init();
        getModuleMgr().registerModule(constellations);

        // Asterisms
        SplashScreen::showMessage(q_("Initializing asterisms..."));
        AsterismMgr* asterisms = new AsterismMgr(hip_stars);
        asterisms->init();
        getModuleMgr().registerModule(asterisms);

        // Landscape, atmosphere & cardinal points section
        SplashScreen::showMessage(q_("Initializing landscape..."));
        LandscapeMgr* landscape = new LandscapeMgr();
        landscape->init();
        getModuleMgr().registerModule(landscape);
        // Only now we can switch to auto-landscape. (GH:#3550)
        if (landscape->getFlagLandscapeAutoSelection() && (confSettings->value("init_location/location", "auto").toString() == "auto"))
        {
                StelLocation loc=core->getCurrentLocation();
                QColor color=planetLocationMgr->getColorForCoordinates(loc.getLongitude(), loc.getLatitude());
                QString landscapeAutoName=QString("ZeroColor(%1)").arg(Vec3f(color).toStr());
                emit core->targetLocationChanged(loc, landscapeAutoName); // inform others about our next location. E.g., let LandscapeMgr load a new landscape.
        }

        SplashScreen::showMessage(q_("Initializing grid lines..."));
        GridLinesMgr* gridLines = new GridLinesMgr();
        gridLines->init();
        getModuleMgr().registerModule(gridLines);
        
        SplashScreen::showMessage(q_("Initializing special markers..."));
        SpecialMarkersMgr* specialMarkers = new SpecialMarkersMgr();
        specialMarkers->init();
        getModuleMgr().registerModule(specialMarkers);

        // Sporadic Meteors
        SplashScreen::showMessage(q_("Initializing sporadic meteors..."));
        SporadicMeteorMgr* meteors = new SporadicMeteorMgr(10, 72);
        meteors->init();
        getModuleMgr().registerModule(meteors);

        // User labels
        SplashScreen::showMessage(q_("Initializing user labels..."));
        LabelMgr* skyLabels = new LabelMgr();
        skyLabels->init();
        getModuleMgr().registerModule(skyLabels);

        SplashScreen::showMessage(q_("Initializing sky cultures..."));
        skyCultureMgr->init();

        // User markers
        SplashScreen::showMessage(q_("Initializing user markers..."));
        MarkerMgr* skyMarkers = new MarkerMgr();
        skyMarkers->init();
        getModuleMgr().registerModule(skyMarkers);

        // Init custom objects
        SplashScreen::showMessage(q_("Initializing custom objects..."));
        CustomObjectMgr* custObj = new CustomObjectMgr();
        custObj->init();
        getModuleMgr().registerModule(custObj);

        // Init highlights
        SplashScreen::showMessage(q_("Initializing highlights..."));
        HighlightMgr* hlMgr = new HighlightMgr();
        hlMgr->init();
        getModuleMgr().registerModule(hlMgr);

        // Init specific time
        SplashScreen::showMessage(q_("Initializing specific time..."));
        SpecificTimeMgr* specificTime = new SpecificTimeMgr();
        specificTime->init();
        getModuleMgr().registerModule(specificTime);

        //Create the script manager here, maybe some modules/plugins may want to connect to it
        //It has to be initialized later after all modules have been loaded by calling initScriptMgr
#ifdef ENABLE_SCRIPTING
        SplashScreen::showMessage(q_("Initializing scripting..."));
        scriptAPIProxy = new StelMainScriptAPIProxy(this);
        scriptMgr = new StelScriptMgr(this);
#endif

        SplashScreen::showMessage(q_("Initializing color scheme..."));
        // Initialisation of the color scheme
        emit colorSchemeChanged("default");
        setVisionModeNight(confSettings->value("viewing/flag_night", false).toBool());

        // Enable viewport effect at startup if he set
        setViewportEffect(confSettings->value("video/viewport_effect", "none").toString());

        SplashScreen::clearMessage();
        updateI18n();

        // Init actions.
        actionMgr->addAction("actionShow_Night_Mode", N_("Display Options"), N_("Night mode"), this, "nightMode", "Ctrl+N");

        setFlagShowDecimalDegrees(confSettings->value("gui/flag_show_decimal_degrees", false).toBool());
        setFlagSouthAzimuthUsage(confSettings->value("gui/flag_use_azimuth_from_south", false).toBool());
        setFlagUseFormattingOutput(confSettings->value("gui/flag_use_formatting_output", false).toBool());
        setFlagUseCCSDesignation(confSettings->value("gui/flag_use_ccs_designations", false).toBool());
        setFlagOverwriteInfoColor(confSettings->value("gui/flag_overwrite_info_color", false).toBool());        
        setOverwriteInfoColor(Vec3f(confSettings->value("color/info_text_color", "1.0,1.0,1.0").toString()));
        setDaylightInfoColor(Vec3f(confSettings->value("color/daylight_text_color", "0.0,0.0,0.0").toString()));

        // Animation
        animationScale = confSettings->value("gui/pointer_animation_speed", 1.).toDouble();

        ditherPatternTex = StelApp::getInstance().getTextureManager().getDitheringTexture(0);
        setupPostProcessor();
        
#ifdef ENABLE_SPOUT
        //qDebug() << "Property spout is" << qApp->property("spout").toString();
        //qDebug() << "Property spoutName is" << qApp->property("spoutName").toString();
        if (qApp->property("spout").toString() != "none")
        {
                //if we are on windows and we have GLES, we are most likely on ANGLE
                bool isANGLE=QOpenGLContext::currentContext()->isOpenGLES();

                if (isANGLE)
                {
                        qCritical() << "SPOUT: Does not run in ANGLE/OpenGL ES mode!";
                }
                else
                {
                        SplashScreen::showMessage(q_("Initializing SPOUT sender..."));
                        // Create the SpoutSender object.
                        QString spoutName = qApp->property("spoutName").toString();
                        if(spoutName.isEmpty())
                                spoutName = "stellarium";

                        spoutSender = new SpoutSender(spoutName);

                        if (!spoutSender->isValid())
                        {
                                QMessageBox::warning(&StelMainView::getInstance(), "Stellarium SPOUT", q_("Cannot create Spout sender. See log for details."), QMessageBox::Ok);
                                delete spoutSender;
                                spoutSender = Q_NULLPTR;
                                qApp->setProperty("spout", "");
                        }
                        SplashScreen::clearMessage();
                }
        }
        else
        {
                qApp->setProperty("spout", "");
        }
#endif

        initialized = true;
}

// Load and initialize external modules (plugins)
void StelApp::initPlugIns()
{
        // Load dynamically all the modules found in the modules/ directories
        // which are configured to be loaded at startup
        const QList<StelModuleMgr::PluginDescriptor> pluginList=moduleMgr->getPluginsList();
        for (const auto& i : pluginList)
        {
                if (i.loadAtStartup==false)
                        continue;
                SplashScreen::showMessage(QString("%1 \"%2\"...").arg(q_("Loading plugin"), q_(i.info.displayedName)));
                StelModule* m = moduleMgr->loadPlugin(i.info.id);
                if (m!=Q_NULLPTR)
                {
                        moduleMgr->registerModule(m, true);
                        //load extensions after the module is registered
                        moduleMgr->loadExtensions(i.info.id);
                        m->init();
                }
        }
        SplashScreen::clearMessage();
}

void StelApp::deinit()
{
#ifdef         ENABLE_SPOUT
        delete spoutSender;
        spoutSender = Q_NULLPTR;
#endif
#ifdef ENABLE_SCRIPTING
        if (scriptMgr->scriptIsRunning())
                scriptMgr->stopScript();
#endif
        QCoreApplication::processEvents();
        getModuleMgr().unloadAllPlugins();
        QCoreApplication::processEvents();
        StelPainter::deinitGLShaders();
}


StelProgressController* StelApp::addProgressBar()
{
        StelProgressController* p = new StelProgressController(this);
        progressControllers.append(p);
        emit progressBarAdded(p);
        return p;
}

void StelApp::removeProgressBar(StelProgressController* p)
{
        progressControllers.removeOne(p);        
        emit progressBarRemoved(p);
        delete p;
}


void StelApp::update(double deltaTime)
{
        if (!initialized)
                return;

        ++frame;
        frameTimeAccum+=deltaTime;
        if (frameTimeAccum > 1.)
        {
                // Calc the FPS rate every seconds
                fps=static_cast<float>(frame)/static_cast<float>(frameTimeAccum);
                frame = 0;
                frameTimeAccum=0.;
        }
                
        core->update(deltaTime);

        moduleMgr->update();

        // Send the event to every StelModule
        for (auto* i : moduleMgr->getCallOrders(StelModule::ActionUpdate))
        {
                i->update(deltaTime);
        }

        stelObjectMgr->update(deltaTime);
}

void StelApp::prepareRenderBuffer()
{
        if (!viewportEffect) return;
        if (!renderBuffer)
        {
                StelProjector::StelProjectorParams params = core->getCurrentStelProjectorParams();
                int w = params.viewportXywh[2];
                int h = params.viewportXywh[3];
                renderBuffer = new QOpenGLFramebufferObject(w, h, QOpenGLFramebufferObject::Depth); // we only need depth here
        }
        renderBuffer->bind();
}

void StelApp::applyRenderBuffer(GLuint drawFbo)
{
        if (!renderBuffer) return;
        GL(gl->glBindFramebuffer(GL_FRAMEBUFFER, drawFbo));
        viewportEffect->paintViewportBuffer(renderBuffer);
}

void StelApp::setupPostProcessor()
{
        postProcessorVBO.reset(new QOpenGLBuffer(QOpenGLBuffer::VertexBuffer));
        postProcessorVBO->create();
        postProcessorVBO->bind();
        const GLfloat vertices[]=
        {
                // full screen quad
                -1, -1,
                 1, -1,
                -1,  1,
                 1,  1,
        };
        GL(gl->glBufferData(GL_ARRAY_BUFFER, sizeof vertices, vertices, GL_STATIC_DRAW));

        postProcessorVAO.reset(new QOpenGLVertexArrayObject);
        postProcessorVAO->create();
        postProcessorVAO->bind();
        gl->glVertexAttribPointer(0, 2, GL_FLOAT, false, 0, 0);
        postProcessorVBO->release();
        gl->glEnableVertexAttribArray(0);
        postProcessorVAO->release();

        postProcessorProgram.reset(new QOpenGLShaderProgram);
        postProcessorProgram->addShaderFromSourceCode(QOpenGLShader::Vertex,
                StelOpenGL::globalShaderPrefix(StelOpenGL::VERTEX_SHADER) + R"(
ATTRIBUTE vec3 vertex;
VARYING vec2 texcoord;
void main()
{
        gl_Position = vec4(vertex, 1.);
        texcoord = 0.5*vertex.xy+0.5;
}
)");
        postProcessorProgram->addShaderFromSourceCode(QOpenGLShader::Fragment,
                StelOpenGL::globalShaderPrefix(StelOpenGL::FRAGMENT_SHADER) +
                makeDitheringShader() + R"(
VARYING vec2 texcoord;
uniform sampler2D tex;

void main()
{
        vec4 rgba = texture2D(tex, texcoord);
        FRAG_COLOR = vec4(dither(rgba.rgb), rgba.a);
}
)");
        StelPainter::linkProg(postProcessorProgram.get(), "Post-processing program");
        postProcessorProgram->bind();
        postProcessorUniformLocations.tex           = postProcessorProgram->uniformLocation("tex");
        postProcessorUniformLocations.rgbMaxValue   = postProcessorProgram->uniformLocation("rgbMaxValue");
        postProcessorUniformLocations.ditherPattern = postProcessorProgram->uniformLocation("ditherPattern");
        postProcessorProgram->release();

        if(StelMainView::getInstance().getGLInformation().isHighGraphicsMode)
        {
                postProcessorProgramMS.reset(new QOpenGLShaderProgram);
                postProcessorProgramMS->addShaderFromSourceCode(QOpenGLShader::Vertex,
                        StelOpenGL::globalShaderPrefix(StelOpenGL::VERTEX_SHADER) + R"(
ATTRIBUTE vec3 vertex;
void main()
{
        gl_Position = vec4(vertex, 1.);
}
)");
                postProcessorProgramMS->addShaderFromSourceCode(QOpenGLShader::Fragment,
                        StelOpenGL::globalShaderPrefix(StelOpenGL::FRAGMENT_SHADER) +
                        makeDitheringShader() + R"(
uniform sampler2DMS tex;
uniform int numMultiSamples;

void main()
{
        vec4 rgba = vec4(0);
        for(int n = 0; n < numMultiSamples; ++n)
                rgba += texelFetch(tex, ivec2(gl_FragCoord.xy), n);
        rgba /= float(numMultiSamples);
        FRAG_COLOR = vec4(dither(rgba.rgb), rgba.a);
}
)");
                StelPainter::linkProg(postProcessorProgramMS.get(), "Multisampled post-processing program");
                postProcessorProgramMS->bind();
                postProcessorUniformLocationsMS.tex               = postProcessorProgramMS->uniformLocation("tex");
                postProcessorUniformLocationsMS.rgbMaxValue       = postProcessorProgramMS->uniformLocation("rgbMaxValue");
                postProcessorUniformLocationsMS.ditherPattern     = postProcessorProgramMS->uniformLocation("ditherPattern");
                postProcessorUniformLocationsMS.numMultiSamples   = postProcessorProgramMS->uniformLocation("numMultiSamples");
                postProcessorProgramMS->release();
        }
}

void StelApp::highGraphicsModeDraw()
{
#if !QT_CONFIG(opengles2)
        const auto targetFBO = currentFbo;
        StelProjector::StelProjectorParams params = core->getCurrentStelProjectorParams();
        const auto w = params.viewportXywh[2] * params.devicePixelsPerPixel;
        const auto h = params.viewportXywh[3] * params.devicePixelsPerPixel;
        StelOpenGL::checkGLErrors(__FILE__, __LINE__);
        if(!sceneFBO || sceneFBO->size() != QSize(w,h))
        {
                GLint viewport[4] = {};
                GL(gl->glGetIntegerv(GL_VIEWPORT, viewport));
                qInfo() << "OpenGL viewport size:" << viewport[2] << "x" << viewport[3];

                qInfo().nospace() << "Creating scene FBO with size " << w << "x" << h;
                const auto internalFormat = GL_RGBA16;
                QOpenGLFramebufferObjectFormat format;
                format.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
                format.setInternalTextureFormat(internalFormat);
                sceneFBO.reset(new QOpenGLFramebufferObject(w, h, format));
                GLint maxSamples = 1;
                GL(gl->glGetIntegerv(GL_MAX_SAMPLES, &maxSamples));
                const auto samples = confSettings->value("video/multisampling", 0).toInt();
                numMultiSamples = std::min(samples, maxSamples);
                if(numMultiSamples > 1)
                {
                        const auto gl = StelOpenGL::highGraphicsFunctions();
                        if(sceneMultisampledFBO)
                        {
                                GL(gl->glDeleteFramebuffers(1, &sceneMultisampledFBO));
                                GL(gl->glDeleteTextures(1, &sceneMultisampledTex));
                                GL(gl->glDeleteRenderbuffers(1, &sceneMultisampledRenderbuffer));
                        }
                        GL(gl->glGenFramebuffers(1, &sceneMultisampledFBO));
                        GL(gl->glGenTextures(1, &sceneMultisampledTex));
                        GL(gl->glGenRenderbuffers(1, &sceneMultisampledRenderbuffer));

                        GL(gl->glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, sceneMultisampledTex));
                        GL(gl->glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, numMultiSamples,
                                                                internalFormat, w, h, true));

                        GL(gl->glBindRenderbuffer(GL_RENDERBUFFER, sceneMultisampledRenderbuffer));
                        GL(gl->glRenderbufferStorageMultisample(GL_RENDERBUFFER, numMultiSamples,
                                                                         GL_DEPTH24_STENCIL8, w, h));

                        GL(gl->glBindFramebuffer(GL_FRAMEBUFFER, sceneMultisampledFBO));
                        GL(gl->glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
                                                      GL_TEXTURE_2D_MULTISAMPLE, sceneMultisampledTex, 0));
                        GL(gl->glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT,
                                                         GL_RENDERBUFFER, sceneMultisampledRenderbuffer));
                        const auto status = gl->glCheckFramebufferStatus(GL_FRAMEBUFFER);
                        if(status != GL_FRAMEBUFFER_COMPLETE)
                        {
                                qCritical().nospace() << __FILE__ << ":" << __LINE__
                                                      << ": warning: framebuffer incomplete, status: "
                                                      << status;
                        }
                }
        }

        if(sceneMultisampledFBO)
        {
                GL(gl->glBindFramebuffer(GL_FRAMEBUFFER, sceneMultisampledFBO));
                currentFbo = sceneMultisampledFBO;
        }
        else
        {
                sceneFBO->bind();
                currentFbo = sceneFBO->handle();
        }
        StelOpenGL::checkGLErrors(__FILE__, __LINE__);

        GL(gl->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT));

        const QList<StelModule*> modules = moduleMgr->getCallOrders(StelModule::ActionDraw);

        for(auto* module : modules)
        {
                module->draw(core);
        }

        if(sceneMultisampledFBO)
        {
                GL(gl->glBindFramebuffer(GL_FRAMEBUFFER, targetFBO));
                postProcessorProgramMS->bind();

                const int sceneTexSampler = 0;
                GL(gl->glActiveTexture(GL_TEXTURE0 + sceneTexSampler));
                GL(gl->glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, sceneMultisampledTex));
                postProcessorProgramMS->setUniformValue(postProcessorUniformLocationsMS.tex, sceneTexSampler);

                const int ditherTexSampler = 1;
                ditherPatternTex->bind(ditherTexSampler);
                postProcessorProgramMS->setUniformValue(postProcessorUniformLocationsMS.ditherPattern, ditherTexSampler);
                const auto rgbMaxValue=calcRGBMaxValue(core->getDitheringMode());
                postProcessorProgramMS->setUniformValue(postProcessorUniformLocationsMS.rgbMaxValue,
                                                        rgbMaxValue[0], rgbMaxValue[1], rgbMaxValue[2]);
                postProcessorProgramMS->setUniformValue(postProcessorUniformLocationsMS.numMultiSamples, numMultiSamples);
        }
        else
        {
                GL(gl->glBindFramebuffer(GL_FRAMEBUFFER, targetFBO));
                postProcessorProgram->bind();

                const int sceneTexSampler = 0;
                GL(gl->glActiveTexture(GL_TEXTURE0 + sceneTexSampler));
                GL(gl->glBindTexture(GL_TEXTURE_2D, sceneFBO->texture()));
                postProcessorProgram->setUniformValue(postProcessorUniformLocations.tex, sceneTexSampler);

                const int ditherTexSampler = 1;
                ditherPatternTex->bind(ditherTexSampler);
                postProcessorProgram->setUniformValue(postProcessorUniformLocations.ditherPattern, ditherTexSampler);
                const auto rgbMaxValue=calcRGBMaxValue(core->getDitheringMode());
                postProcessorProgram->setUniformValue(postProcessorUniformLocations.rgbMaxValue,
                                                      rgbMaxValue[0], rgbMaxValue[1], rgbMaxValue[2]);
        }

        postProcessorVAO->bind();
        GL(gl->glEnable(GL_BLEND));
        GL(gl->glBlendFunc(GL_ONE,GL_ONE));
        GL(gl->glDrawArrays(GL_TRIANGLE_STRIP, 0, 4));
        GL(gl->glDisable(GL_BLEND));
        postProcessorVAO->release();
#endif
}

//! Main drawing function called at each frame
void StelApp::draw()
{
        if (!initialized)
                return;

        //find out which framebuffer is the current one
        //this is usually NOT the "zero" FBO, but one provided by QOpenGLWidget
        GLint drawFbo;
        GL(gl->glGetIntegerv(GL_FRAMEBUFFER_BINDING, &drawFbo));

        prepareRenderBuffer();
        currentFbo = renderBuffer ? renderBuffer->handle() : static_cast<GLuint>(drawFbo);

        core->preDraw();

        if(StelMainView::getInstance().getGLInformation().isHighGraphicsMode)
        {
                highGraphicsModeDraw();
        }
        else
        {
                const QList<StelModule*> modules = moduleMgr->getCallOrders(StelModule::ActionDraw);
                for (auto* module : modules)
                {
                        module->draw(core);
                }
        }

        core->postDraw();
#ifdef ENABLE_SPOUT
        // At this point, the sky scene has been drawn, but no GUI panels.
        if(spoutSender)
                spoutSender->captureAndSendFrame(static_cast<GLuint>(drawFbo));
#endif
        applyRenderBuffer(static_cast<GLuint>(drawFbo));
}

/*************************************************************************
 Call this when the virtual size of the GL window has changed
*************************************************************************/
void StelApp::glWindowHasBeenResized(const QRectF& rect)
{
        // Remove the effect before resizing the core, or things get messy.
        QString effect = getViewportEffect();
        setViewportEffect("none");
        if (core)
        {
                core->windowHasBeenResized(rect.x(), rect.y(), rect.width(), rect.height());
        }
        else
        {
                saveProjW = rect.width();
                saveProjH = rect.height();
        }
        // Force to recreate the viewport effect if any.
        setViewportEffect(effect);
#ifdef ENABLE_SPOUT
        if (spoutSender)
                spoutSender->resize(static_cast<uint>(rect.width()),static_cast<uint>(rect.height()));
#endif
}

/*************************************************************************
 Call this when the physical size of the GL window has changed
*************************************************************************/
void StelApp::glPhysicalWindowHasBeenResized(const QRectF& rect)
{
#ifdef ENABLE_SPOUT
        if (spoutSender)
                spoutSender->resize(static_cast<uint>(rect.width()),static_cast<uint>(rect.height()));
#else
        Q_UNUSED(rect)
#endif
}

// Handle mouse clics
void StelApp::handleClick(QMouseEvent* inputEvent)
{
        QPointF pos = inputEvent->pos();
        qreal x, y;
        x = pos.x();
        y = pos.y();
        if (viewportEffect)
                viewportEffect->distortXY(x, y);

        QMouseEvent event(inputEvent->type(), QPoint(qRound(x*devicePixelsPerPixel), qRound(y*devicePixelsPerPixel)), inputEvent->button(), inputEvent->buttons(), inputEvent->modifiers());
        event.setAccepted(false);
        
        // Send the event to every StelModule
        for (auto* i : moduleMgr->getCallOrders(StelModule::ActionHandleMouseClicks))
        {
                i->handleMouseClicks(&event);
                if (event.isAccepted())
                {
                        inputEvent->setAccepted(true);
                        return;
                }
        }
}

// Handle mouse wheel.
void StelApp::handleWheel(QWheelEvent* event)
{
        event->setAccepted(false);
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
        QWheelEvent deltaEvent(event->position()*devicePixelsPerPixel,
                               event->globalPosition()*devicePixelsPerPixel,
                               event->pixelDelta(), event->angleDelta(), event->buttons(), event->modifiers(), Qt::ScrollUpdate, false);
#else
        QWheelEvent deltaEvent(QPoint(qRound(event->pos().x()*devicePixelsPerPixel), qRound(event->pos().y()*devicePixelsPerPixel)),
                               QPoint(qRound(event->globalPos().x()*devicePixelsPerPixel), qRound(event->globalPos().y()*devicePixelsPerPixel)),
                               event->delta(), event->buttons(), event->modifiers(), event->orientation());
#endif
        deltaEvent.setAccepted(false);
        // Send the event to every StelModule
        for (auto* i : moduleMgr->getCallOrders(StelModule::ActionHandleMouseClicks)) {
                i->handleMouseWheel(&deltaEvent);
                if (deltaEvent.isAccepted()) {
                        event->accept();
                        break;
                }
        }
}

// Handle mouse move
bool StelApp::handleMove(qreal x, qreal y, Qt::MouseButtons b)
{
        if (viewportEffect)
                viewportEffect->distortXY(x, y);
        // Send the event to every StelModule
        for (auto* i : moduleMgr->getCallOrders(StelModule::ActionHandleMouseMoves))
        {
                if (i->handleMouseMoves(qRound(x*devicePixelsPerPixel), qRound(y*devicePixelsPerPixel), b))
                        return true;
        }
        return false;
}

// Handle key press and release
void StelApp::handleKeys(QKeyEvent* event)
{
        event->setAccepted(false);
        // First try to trigger a shortcut.
        if (event->type() == QEvent::KeyPress)
        {
                if (getStelActionManager()->pushKey(event->key() + int(event->modifiers())))
                {
                        event->setAccepted(true);
                        return;
                }
        }
        // Send the event to every StelModule
        for (auto* i : moduleMgr->getCallOrders(StelModule::ActionHandleKeys))
        {
                i->handleKeys(event);
                if (event->isAccepted())
                        return;
        }
}

// Handle pinch on multi touch devices
void StelApp::handlePinch(qreal scale, bool started)
{
        // Send the event to every StelModule
        for (auto* i : moduleMgr->getCallOrders(StelModule::ActionHandleMouseMoves))
        {
                if (i->handlePinch(scale, started))
                        return;
        }
}

//! Set flag for activating night vision mode
void StelApp::setVisionModeNight(bool b)
{
        if (flagNightVision!=b)
        {
                flagNightVision=b;
                emit visionNightModeChanged(b);
        }
}

void StelApp::setFlagOverwriteInfoColor(bool b)
{
        if (flagOverwriteInfoColor!=b)
        {
                flagOverwriteInfoColor=b;
                StelApp::immediateSave("gui/flag_overwrite_info_color", b);
                emit flagOverwriteInfoColorChanged(b);
        }
}

void StelApp::setFlagShowDecimalDegrees(bool b)
{
        if (flagShowDecimalDegrees!=b)
        {
                flagShowDecimalDegrees = b;
                StelApp::immediateSave("gui/flag_show_decimal_degrees", b);
                emit flagShowDecimalDegreesChanged(b);
        }
}

void StelApp::setFlagSouthAzimuthUsage(bool use)
{
        if (flagUseAzimuthFromSouth!=use)
        {
                flagUseAzimuthFromSouth=use;
                StelApp::immediateSave("gui/flag_use_azimuth_from_south", use);
                emit flagUseAzimuthFromSouthChanged(use);
        }
}


void StelApp::setFlagUseFormattingOutput(bool b)
{
        if (flagUseFormattingOutput!=b)
        {
                flagUseFormattingOutput = b;
                StelApp::immediateSave("gui/flag_use_formatting_output", flagUseFormattingOutput);
                emit flagUseFormattingOutputChanged(b);
        }
}

void StelApp::setFlagUseCCSDesignation(bool b)
{
        if (flagUseCCSDesignation!=b)
        {
                flagUseCCSDesignation = b;
                StelApp::immediateSave("gui/flag_use_ccs_designations", flagUseCCSDesignation);
                emit flagUseCCSDesignationChanged(b);
        }
}

void StelApp::setOverwriteInfoColor(const Vec3f& color)
{
        if (color != overwriteInfoColor)
        {
                overwriteInfoColor = color;
                emit overwriteInfoColorChanged(color);
        }
}

Vec3f StelApp::getOverwriteInfoColor() const
{
        return overwriteInfoColor;
}

void StelApp::setDaylightInfoColor(const Vec3f& color)
{
        if (color != daylightInfoColor)
        {
                daylightInfoColor = color;
                emit daylightInfoColorChanged(color);
        }
}

Vec3f StelApp::getDaylightInfoColor() const
{
        return daylightInfoColor;
}

void StelApp::setFlagImmediateSave(bool b)
{
        if (flagImmediateSave!=b)
        {
                flagImmediateSave = b;
                // To not accidentally activate this mode permanently, you must use the "save settings" button to activate!
                if (!b)
                        StelApp::immediateSave("gui/immediate_save_details", false);
                emit flagImmediateSaveChanged(b);
        }
}

void StelApp::immediateSave(const QString &key, const QVariant &value)
{
        if (getInstance().getFlagImmediateSave())
                getInstance().getSettings()->setValue(key, value);
}


// Update translations and font for sky everywhere in the program
void StelApp::updateI18n()
{
#ifdef ENABLE_NLS
        emit languageChanged();
#endif
}

void StelApp::ensureGLContextCurrent()
{
        mainWin->glContextMakeCurrent();
}

// Return the time since when stellarium is running in second.
double StelApp::getTotalRunTime()
{
        return static_cast<double>(QDateTime::currentMSecsSinceEpoch() - StelApp::startMSecs)/1000.;
}

// Return the scaled time since when stellarium is running in second.
double StelApp::getAnimationTime()
{
        return static_cast<double>(QDateTime::currentMSecsSinceEpoch() - StelApp::startMSecs)*StelApp::animationScale/1000.;
}

void StelApp::reportFileDownloadFinished(QNetworkReply* reply)
{
        bool fromCache = reply->attribute(QNetworkRequest::SourceIsFromCacheAttribute).toBool();
        if (fromCache)
        {
                ++nbUsedCache;
                totalUsedCacheSize+=reply->bytesAvailable();
        }
        else
        {
                ++nbDownloadedFiles;
                totalDownloadedSize+=reply->bytesAvailable();
        }
}

void StelApp::quit()
{
        emit aboutToQuit();
        // Let's allow exit from Stellarium via startup script!
        QMetaObject::invokeMethod(qApp, "quit", Qt::QueuedConnection);
}

void StelApp::setDevicePixelsPerPixel(qreal dppp)
{
        // Check that the device-independent pixel size didn't change
        if (!viewportEffect && !fuzzyEquals(devicePixelsPerPixel, dppp))
        {
                qDebug() << "Changing high-DPI scaling factor from" << devicePixelsPerPixel << "to" << dppp;
                devicePixelsPerPixel = dppp;
                StelProjector::StelProjectorParams params = core->getCurrentStelProjectorParams();
                params.devicePixelsPerPixel = devicePixelsPerPixel;
                core->setCurrentStelProjectorParams(params);
        }
}

void StelApp::setViewportEffect(const QString& name)
{
        if (name == getViewportEffect()) return;
        StelApp::immediateSave("video/viewport_effect", name);
        if (renderBuffer)
        {
                ensureGLContextCurrent();
                delete renderBuffer;
                renderBuffer = Q_NULLPTR;
        }
        if (viewportEffect)
        {
                delete viewportEffect;
                viewportEffect = Q_NULLPTR;
        }
        if (name == "none") return;

        if (!core)
        {
                qDebug() << "No core to set viewport effect";
                return;
        }
        StelProjector::StelProjectorParams params = core->getCurrentStelProjectorParams();
        int w = params.viewportXywh[2];
        int h = params.viewportXywh[3];
        if (name == "sphericMirrorDistorter")
        {
                viewportEffect = new StelViewportDistorterFisheyeToSphericMirror(w, h);
        }
        else
        {
                qDebug() << "unknown viewport effect name:" << name;
                Q_ASSERT(false);
        }
}

QString StelApp::getViewportEffect() const
{
        if (viewportEffect)
                return viewportEffect->getName();
        return "none";
}

// Diagnostics
void StelApp::dumpModuleActionPriorities(StelModule::StelModuleActionName actionName) const
{
        const QList<StelModule*> modules = moduleMgr->getCallOrders(actionName);
        QMetaEnum me = QMetaEnum::fromType<StelModule::StelModuleActionName>();
        qDebug() << "Module Priorities for action named" << me.valueToKey(actionName);

        for (auto* module : modules)
        {
                module->draw(core);
                qDebug() << " -- " << module->getCallOrder(actionName) << "Module: " << module->objectName();
        }
}

StelModule* StelApp::getModule(const QString& moduleID) const
{
        return getModuleMgr().getModule(moduleID);
}
void StelApp::setScreenFontSize(int s)
{
        if (screenFontSize!=s)
        {
                screenFontSize=s;
                StelApp::immediateSave("gui/screen_font_size", s);
                emit screenFontSizeChanged(s);
        }
}

void StelApp::setScreenButtonScale(const double s)
{
        if (screenButtonScale!=s)
        {
                screenButtonScale = s;
                StelApp::immediateSave("gui/screen_button_scale", s);
                emit screenButtonScaleChanged(s);
        }
}

double StelApp::screenFontSizeRatio() const
{
        return double(getScreenFontSize()) / getDefaultGuiFontSize();
}

void StelApp::setGuiFontSize(int s)
{
        if (getGuiFontSize()!=s)
        {
                QFont font=QGuiApplication::font();
                font.setPixelSize(s);
                QGuiApplication::setFont(font);
                StelApp::immediateSave("gui/gui_font_size", s);
                emit guiFontSizeChanged(s);
        }
}
int StelApp::getGuiFontSize() const
{
        return QGuiApplication::font().pixelSize();
}

float StelApp::getScreenScale() const
{
        const float dppRatio = StelApp::getInstance().getDevicePixelsPerPixel();
        const float fontRatio = StelApp::getInstance().screenFontSizeRatio();
        return dppRatio * fontRatio;
}

void StelApp::setAppFont(QFont font)
{
        int oldSize=QGuiApplication::font().pixelSize();
        font.setPixelSize(oldSize);
        #if (QT_VERSION>=QT_VERSION_CHECK(5,15,0))
        font.setStyleHint(QFont::AnyStyle, QFont::PreferAntialias);
        #else
        font.setStyleHint(QFont::AnyStyle, QFont::OpenGLCompatible);
        #endif
        QGuiApplication::setFont(font);
        emit fontChanged(font);
}

QString StelApp::getVersion() const
{
        return StelUtils::getApplicationVersion();
}

void StelApp::enableBottomStelBarUpdates(bool enable)
{
        StelGui *gui=dynamic_cast<StelGui*>(getGui());
        gui->getButtonBar()->enableTopoCentricUpdate(enable);
}

Stellarium / stellarium / 15670918640

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