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moonlight-qt/app/main.cpp
Cameron Gutman f57257cbfd Use the default Qt render loop 
Since we stopped pumping the event loop manually and switched to EGL
on X11, the default threaded render loop seems to work fine now.
2025-11-22 20:12:46 -06:00

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#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QQmlContext>
#include <QIcon>
#include <QQuickStyle>
#include <QMutex>
#include <QtDebug>
#include <QNetworkProxyFactory>
#include <QPalette>
#include <QFont>
#include <QCursor>
#include <QElapsedTimer>
#include <QTemporaryFile>
#include <QRegularExpression>
// Don't let SDL hook our main function, since Qt is already
// doing the same thing. This needs to be before any headers
// that might include SDL.h themselves.
#define SDL_MAIN_HANDLED
#include "SDL_compat.h"
#ifdef HAVE_FFMPEG
#include "streaming/video/ffmpeg.h"
#endif
#if defined(Q_OS_WIN32)
#include "antihookingprotection.h"
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#elif defined(Q_OS_LINUX)
#include <openssl/ssl.h>
#endif
#include "cli/listapps.h"
#include "cli/quitstream.h"
#include "cli/startstream.h"
#include "cli/pair.h"
#include "cli/commandlineparser.h"
#include "path.h"
#include "utils.h"
#include "gui/computermodel.h"
#include "gui/appmodel.h"
#include "backend/autoupdatechecker.h"
#include "backend/computermanager.h"
#include "backend/systemproperties.h"
#include "streaming/session.h"
#include "settings/streamingpreferences.h"
#include "gui/sdlgamepadkeynavigation.h"
#if defined(Q_OS_WIN32)
#define IS_UNSPECIFIED_HANDLE(x) ((x) == INVALID_HANDLE_VALUE || (x) == NULL)
// Log to file or console dynamically for Windows builds
#define LOG_TO_FILE
#elif !defined(QT_DEBUG) && defined(Q_OS_DARWIN)
// Log to file for release Mac builds
#define LOG_TO_FILE
#else
// Log to console for debug Mac builds
#endif
// StreamUtils::setAsyncLogging() exposes control of this to the Session
// class to enable async logging once the stream has started.
//
// FIXME: Clean this up
QAtomicInt g_AsyncLoggingEnabled;
static QElapsedTimer s_LoggerTime;
static QTextStream s_LoggerStream(stderr);
static QThreadPool s_LoggerThread;
static QMutex s_SyncLoggerMutex;
static bool s_SuppressVerboseOutput;
static QRegularExpression k_RikeyRegex("&rikey=\\w+");
static QRegularExpression k_RikeyIdRegex("&rikeyid=[\\d-]+");
#ifdef LOG_TO_FILE
// Max log file size of 10 MB
static const uint64_t k_MaxLogSizeBytes = 10 * 1024 * 1024;
static QAtomicInteger<uint64_t> s_LogBytesWritten = 0;
static QFile* s_LoggerFile;
#endif
class LoggerTask : public QRunnable
{
public:
LoggerTask(const QString& msg) : m_Msg(msg)
{
setAutoDelete(true);
}
void run() override
{
// QTextStream is not thread-safe, so we must lock. This will generally
// only contend in synchronous logging mode or during a transition
// between synchronous and asynchronous. Asynchronous won't contend in
// the common case because we only have a single logging thread.
QMutexLocker locker(&s_SyncLoggerMutex);
s_LoggerStream << m_Msg;
s_LoggerStream.flush();
}
private:
QString m_Msg;
};
void logToLoggerStream(QString& message)
{
#if defined(QT_DEBUG) && defined(Q_OS_WIN32)
// Output log messages to a debugger if attached
if (IsDebuggerPresent()) {
thread_local QString lineBuffer;
lineBuffer += message;
if (message.endsWith('\n')) {
OutputDebugStringW(lineBuffer.toStdWString().c_str());
lineBuffer.clear();
}
}
#endif
// Strip session encryption keys and IVs from the logs
message.replace(k_RikeyRegex, "&rikey=REDACTED");
message.replace(k_RikeyIdRegex, "&rikeyid=REDACTED");
#ifdef LOG_TO_FILE
auto oldLogSize = s_LogBytesWritten.fetchAndAddRelaxed(message.size());
if (oldLogSize >= k_MaxLogSizeBytes) {
return;
}
else if (oldLogSize >= k_MaxLogSizeBytes - message.size()) {
// Write one final message
message = "Log size limit reached!";
}
#endif
if (g_AsyncLoggingEnabled) {
// Queue the log message to be written asynchronously
s_LoggerThread.start(new LoggerTask(message));
}
else {
// Log the message immediately
LoggerTask(message).run();
}
}
void sdlLogToDiskHandler(void*, int category, SDL_LogPriority priority, const char* message)
{
QString priorityTxt;
switch (priority) {
case SDL_LOG_PRIORITY_VERBOSE:
if (s_SuppressVerboseOutput) {
return;
}
priorityTxt = "Verbose";
break;
case SDL_LOG_PRIORITY_DEBUG:
if (s_SuppressVerboseOutput) {
return;
}
priorityTxt = "Debug";
break;
case SDL_LOG_PRIORITY_INFO:
if (s_SuppressVerboseOutput) {
return;
}
priorityTxt = "Info";
break;
case SDL_LOG_PRIORITY_WARN:
if (s_SuppressVerboseOutput) {
return;
}
priorityTxt = "Warn";
break;
case SDL_LOG_PRIORITY_ERROR:
priorityTxt = "Error";
break;
case SDL_LOG_PRIORITY_CRITICAL:
priorityTxt = "Critical";
break;
default:
priorityTxt = "Unknown";
break;
}
QTime logTime = QTime::fromMSecsSinceStartOfDay(s_LoggerTime.elapsed());
QString txt = QString("%1 - SDL %2 (%3): %4\n").arg(logTime.toString()).arg(priorityTxt).arg(category).arg(message);
logToLoggerStream(txt);
}
void qtLogToDiskHandler(QtMsgType type, const QMessageLogContext&, const QString& msg)
{
QString typeTxt;
switch (type) {
case QtDebugMsg:
if (s_SuppressVerboseOutput) {
return;
}
typeTxt = "Debug";
break;
case QtInfoMsg:
if (s_SuppressVerboseOutput) {
return;
}
typeTxt = "Info";
break;
case QtWarningMsg:
if (s_SuppressVerboseOutput) {
return;
}
typeTxt = "Warning";
break;
case QtCriticalMsg:
typeTxt = "Critical";
break;
case QtFatalMsg:
typeTxt = "Fatal";
break;
}
QTime logTime = QTime::fromMSecsSinceStartOfDay(s_LoggerTime.elapsed());
QString txt = QString("%1 - Qt %2: %3\n").arg(logTime.toString()).arg(typeTxt).arg(msg);
logToLoggerStream(txt);
}
#ifdef HAVE_FFMPEG
void ffmpegLogToDiskHandler(void* ptr, int level, const char* fmt, va_list vl)
{
char lineBuffer[1024];
static int printPrefix = 1;
if ((level & 0xFF) > av_log_get_level()) {
return;
}
else if ((level & 0xFF) > AV_LOG_WARNING && s_SuppressVerboseOutput) {
return;
}
// We need to use the *previous* printPrefix value to determine whether to
// print the prefix this time. av_log_format_line() will set the printPrefix
// value to indicate whether the prefix should be printed *next time*.
bool shouldPrefixThisMessage = printPrefix != 0;
av_log_format_line(ptr, level, fmt, vl, lineBuffer, sizeof(lineBuffer), &printPrefix);
if (shouldPrefixThisMessage) {
QTime logTime = QTime::fromMSecsSinceStartOfDay(s_LoggerTime.elapsed());
QString txt = QString("%1 - FFmpeg: %2").arg(logTime.toString()).arg(lineBuffer);
logToLoggerStream(txt);
}
else {
QString txt = QString(lineBuffer);
logToLoggerStream(txt);
}
}
#endif
#ifdef Q_OS_WIN32
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#include <DbgHelp.h>
static UINT s_HitUnhandledException = 0;
LONG WINAPI UnhandledExceptionHandler(struct _EXCEPTION_POINTERS *ExceptionInfo)
{
// Only write a dump for the first unhandled exception
if (InterlockedCompareExchange(&s_HitUnhandledException, 1, 0) != 0) {
return EXCEPTION_CONTINUE_SEARCH;
}
WCHAR dmpFileName[MAX_PATH];
swprintf_s(dmpFileName, L"%ls\\Moonlight-%I64u.dmp",
(PWCHAR)QDir::toNativeSeparators(Path::getLogDir()).utf16(), QDateTime::currentSecsSinceEpoch());
QString qDmpFileName = QString::fromUtf16((const char16_t*)dmpFileName);
HANDLE dumpHandle = CreateFileW(dmpFileName, GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
if (dumpHandle != INVALID_HANDLE_VALUE) {
MINIDUMP_EXCEPTION_INFORMATION info;
info.ThreadId = GetCurrentThreadId();
info.ExceptionPointers = ExceptionInfo;
info.ClientPointers = FALSE;
DWORD typeFlags = MiniDumpWithIndirectlyReferencedMemory |
MiniDumpIgnoreInaccessibleMemory |
MiniDumpWithUnloadedModules |
MiniDumpWithThreadInfo;
if (MiniDumpWriteDump(GetCurrentProcess(),
GetCurrentProcessId(),
dumpHandle,
(MINIDUMP_TYPE)typeFlags,
&info,
nullptr,
nullptr)) {
qCritical() << "Unhandled exception! Minidump written to:" << qDmpFileName;
}
else {
qCritical() << "Unhandled exception! Failed to write dump:" << GetLastError();
}
CloseHandle(dumpHandle);
}
else {
qCritical() << "Unhandled exception! Failed to open dump file:" << qDmpFileName << "with error" << GetLastError();
}
// Sleep for a moment to allow the logging thread to finish up before crashing
if (g_AsyncLoggingEnabled) {
Sleep(500);
}
// Let the program crash and WER collect a dump
return EXCEPTION_CONTINUE_SEARCH;
}
#endif
int main(int argc, char *argv[])
{
SDL_SetMainReady();
// Set the app version for the QCommandLineParser's showVersion() command
QCoreApplication::setApplicationVersion(VERSION_STR);
// Set these here to allow us to use the default QSettings constructor.
// These also ensure that our cache directory is named correctly. As such,
// it is critical that these be called before Path::initialize().
QCoreApplication::setOrganizationName("Moonlight Game Streaming Project");
QCoreApplication::setOrganizationDomain("moonlight-stream.com");
QCoreApplication::setApplicationName("Moonlight");
if (QFile(QDir::currentPath() + "/portable.dat").exists()) {
QSettings::setDefaultFormat(QSettings::IniFormat);
QSettings::setPath(QSettings::IniFormat, QSettings::UserScope, QDir::currentPath());
QSettings::setPath(QSettings::IniFormat, QSettings::SystemScope, QDir::currentPath());
// Initialize paths for portable mode
Path::initialize(true);
}
else {
// Initialize paths for standard installation
Path::initialize(false);
}
// Override the default QML cache directory with the one we chose
if (qEnvironmentVariableIsEmpty("QML_DISK_CACHE_PATH")) {
qputenv("QML_DISK_CACHE_PATH", Path::getQmlCacheDir().toUtf8());
}
#ifdef Q_OS_WIN32
// Grab the original std handles before we potentially redirect them later
HANDLE oldConOut = GetStdHandle(STD_OUTPUT_HANDLE);
HANDLE oldConErr = GetStdHandle(STD_ERROR_HANDLE);
#endif
#ifdef LOG_TO_FILE
QDir tempDir(Path::getLogDir());
#ifdef Q_OS_WIN32
// Only log to a file if the user didn't redirect stderr somewhere else
if (IS_UNSPECIFIED_HANDLE(oldConErr))
#endif
{
s_LoggerFile = new QFile(tempDir.filePath(QString("Moonlight-%1.log").arg(QDateTime::currentSecsSinceEpoch())));
if (s_LoggerFile->open(QIODevice::WriteOnly | QIODevice::Text)) {
QTextStream(stderr) << "Redirecting log output to " << s_LoggerFile->fileName() << Qt::endl;
s_LoggerStream.setDevice(s_LoggerFile);
}
}
#endif
// Serialize log messages on a single thread
s_LoggerThread.setMaxThreadCount(1);
s_LoggerTime.start();
// Register our logger with all libraries
#if SDL_VERSION_ATLEAST(3, 0, 0)
SDL_SetLogOutputFunction(sdlLogToDiskHandler, nullptr);
#else
SDL_LogOutputFunction oldSdlLogFn;
void* oldSdlLogUserdata;
SDL_LogGetOutputFunction(&oldSdlLogFn, &oldSdlLogUserdata);
SDL_LogSetOutputFunction(sdlLogToDiskHandler, nullptr);
#endif
qInstallMessageHandler(qtLogToDiskHandler);
#ifdef HAVE_FFMPEG
av_log_set_callback(ffmpegLogToDiskHandler);
#endif
#ifdef Q_OS_WIN32
// Create a crash dump when we crash on Windows
SetUnhandledExceptionFilter(UnhandledExceptionHandler);
#endif
#ifdef LOG_TO_FILE
// Prune the oldest existing logs if there are more than 10
QStringList existingLogNames = tempDir.entryList(QStringList("Moonlight-*.log"), QDir::NoFilter, QDir::SortFlag::Time);
for (int i = 10; i < existingLogNames.size(); i++) {
qInfo() << "Removing old log file:" << existingLogNames.at(i);
QFile(tempDir.filePath(existingLogNames.at(i))).remove();
}
#endif
#if defined(Q_OS_WIN32)
// Force AntiHooking.dll to be statically imported and loaded
// by ntdll on Win32 platforms by calling a dummy function.
AntiHookingDummyImport();
#elif defined(Q_OS_LINUX)
// Force libssl.so to be directly linked to our binary, so
// linuxdeployqt can find it and include it in our AppImage.
// QtNetwork will pull it in via dlopen().
SSL_free(nullptr);
#endif
// We keep this at function scope to ensure it stays around while we're running,
// becaue the Qt QPA will need to read it. Since the temporary file is only
// created when open() is called, this doesn't do any harm for other platforms.
QTemporaryFile eglfsConfigFile("eglfs_override_XXXXXX.conf");
// Avoid using High DPI on EGLFS. It breaks font rendering.
// https://bugreports.qt.io/browse/QTBUG-64377
//
// NB: We can't use QGuiApplication::platformName() here because it is only
// set once the QGuiApplication is created, which is too late to enable High DPI :(
if (WMUtils::isRunningWindowManager()) {
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
// Enable High DPI support on Qt 5.x. It is always enabled on Qt 6.0
QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
#endif
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
// Enable fractional High DPI scaling on Qt 5.14 and later
QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
#endif
}
else {
#ifndef STEAM_LINK
if (!qEnvironmentVariableIsSet("QT_QPA_PLATFORM")) {
qInfo() << "Unable to detect Wayland or X11, so EGLFS will be used by default. Set QT_QPA_PLATFORM to override this.";
qputenv("QT_QPA_PLATFORM", "eglfs");
if (!qEnvironmentVariableIsSet("QT_QPA_EGLFS_ALWAYS_SET_MODE")) {
qInfo() << "Setting display mode by default. Set QT_QPA_EGLFS_ALWAYS_SET_MODE=0 to override this.";
// The UI doesn't appear on RetroPie without this option.
qputenv("QT_QPA_EGLFS_ALWAYS_SET_MODE", "1");
}
if (!QFile("/dev/dri").exists()) {
qWarning() << "Unable to find a KMSDRM display device!";
qWarning() << "On the Raspberry Pi, you must enable the 'fake KMS' driver in raspi-config to use Moonlight outside of the GUI environment.";
}
else if (!qEnvironmentVariableIsSet("QT_QPA_EGLFS_KMS_CONFIG")) {
// HACK: Remove this when Qt is fixed to properly check for display support before picking a card
QString cardOverride = WMUtils::getDrmCardOverride();
if (!cardOverride.isEmpty()) {
if (eglfsConfigFile.open()) {
qInfo() << "Overriding default Qt EGLFS card selection to" << cardOverride;
QTextStream(&eglfsConfigFile) << "{ \"device\": \"" << cardOverride << "\" }";
qputenv("QT_QPA_EGLFS_KMS_CONFIG", eglfsConfigFile.fileName().toUtf8());
}
}
}
}
// EGLFS uses OpenGLES 2.0, so we will too. Some embedded platforms may not
// even have working OpenGL implementations, so GLES is the only option.
// See https://github.com/moonlight-stream/moonlight-qt/issues/868
SDL_SetHint(SDL_HINT_RENDER_DRIVER, "opengles2");
#endif
}
// Some ARM and RISC-V embedded devices don't have working GLX which can cause
// SDL to fail to find a working OpenGL implementation at all. Let's force EGL
// on all platforms for both SDL and Qt. This also avoids GLX-EGL interop issues
// when trying to use EGL on the main thread after Qt uses GLX.
SDL_SetHint(SDL_HINT_VIDEO_X11_FORCE_EGL, "1");
qputenv("QT_XCB_GL_INTEGRATION", "xcb_egl");
#ifdef Q_OS_MACOS
// This avoids using the default keychain for SSL, which may cause
// password prompts on macOS.
qputenv("QT_SSL_USE_TEMPORARY_KEYCHAIN", "1");
#endif
#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
if (!qEnvironmentVariableIsSet("QT_OPENGL")) {
// On Windows, use ANGLE so we don't have to load OpenGL
// user-mode drivers into our app. OGL drivers (especially Intel)
// seem to crash Moonlight far more often than DirectX.
qputenv("QT_OPENGL", "angle");
}
#endif
#if defined(Q_OS_DARWIN) && defined(QT_DEBUG)
// Enable Metal valiation for debug builds
qputenv("MTL_DEBUG_LAYER", "1");
qputenv("MTL_SHADER_VALIDATION", "1");
#endif
// We don't want system proxies to apply to us
QNetworkProxyFactory::setUseSystemConfiguration(false);
// Clear any default application proxy
QNetworkProxy noProxy(QNetworkProxy::NoProxy);
QNetworkProxy::setApplicationProxy(noProxy);
// Register custom metatypes for use in signals
qRegisterMetaType<NvApp>("NvApp");
// Allow the display to sleep by default. We will manually use SDL_DisableScreenSaver()
// and SDL_EnableScreenSaver() when appropriate. This hint must be set before
// initializing the SDL video subsystem to have any effect.
SDL_SetHint(SDL_HINT_VIDEO_ALLOW_SCREENSAVER, "1");
// We use MMAL to render on Raspberry Pi, so we do not require DRM master.
SDL_SetHint(SDL_HINT_KMSDRM_REQUIRE_DRM_MASTER, "0");
// Use Direct3D 9Ex to avoid a deadlock caused by the D3D device being reset when
// the user triggers a UAC prompt. This option controls the software/SDL renderer.
// The DXVA2 renderer uses Direct3D 9Ex itself directly.
SDL_SetHint(SDL_HINT_WINDOWS_USE_D3D9EX, "1");
if (SDL_InitSubSystem(SDL_INIT_TIMER) != 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"SDL_InitSubSystem(SDL_INIT_TIMER) failed: %s",
SDL_GetError());
return -1;
}
#ifdef STEAM_LINK
// Steam Link requires that we initialize video before creating our
// QGuiApplication in order to configure the framebuffer correctly.
if (SDL_InitSubSystem(SDL_INIT_VIDEO) != 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"SDL_InitSubSystem(SDL_INIT_VIDEO) failed: %s",
SDL_GetError());
return -1;
}
#endif
// Use atexit() to ensure SDL_Quit() is called. This avoids
// racing with object destruction where SDL may be used.
atexit(SDL_Quit);
// Avoid the default behavior of changing the timer resolution to 1 ms.
// We don't want this all the time that Moonlight is open. We will set
// it manually when we start streaming.
SDL_SetHint(SDL_HINT_TIMER_RESOLUTION, "0");
// Disable minimize on focus loss by default. Users seem to want this off by default.
SDL_SetHint(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "0");
// SDL 2.0.12 changes the default behavior to use the button label rather than the button
// position as most other software does. Set this back to 0 to stay consistent with prior
// releases of Moonlight.
SDL_SetHint(SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS, "0");
// Disable relative mouse scaling to renderer size or logical DPI. We want to send
// the mouse motion exactly how it was given to us.
SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_SCALING, "0");
// Set our app name for SDL to use with PulseAudio and PipeWire. This matches what we
// provide as our app name to libsoundio too. On SDL 2.0.18+, SDL_APP_NAME is also used
// for screensaver inhibitor reporting.
SDL_SetHint(SDL_HINT_AUDIO_DEVICE_APP_NAME, "Moonlight");
SDL_SetHint(SDL_HINT_APP_NAME, "Moonlight");
// We handle capturing the mouse ourselves when it leaves the window, so we don't need
// SDL doing it for us behind our backs.
SDL_SetHint(SDL_HINT_MOUSE_AUTO_CAPTURE, "0");
// SDL will try to lock the mouse cursor on Wayland if it's not visible in order to
// support applications that assume they can warp the cursor (which isn't possible
// on Wayland). We don't want this behavior because it interferes with seamless mouse
// mode when toggling between windowed and fullscreen modes by unexpectedly locking
// the mouse cursor.
SDL_SetHint(SDL_HINT_VIDEO_WAYLAND_EMULATE_MOUSE_WARP, "0");
#ifdef QT_DEBUG
// Allow thread naming using exceptions on debug builds. SDL doesn't use SEH
// when throwing the exceptions, so we don't enable it for release builds out
// of caution.
SDL_SetHint(SDL_HINT_WINDOWS_DISABLE_THREAD_NAMING, "0");
#endif
QGuiApplication app(argc, argv);
#ifndef STEAM_LINK
// Force use of the KMSDRM backend for SDL when using Qt platform plugins
// that directly draw to the display without a windowing system.
if (QGuiApplication::platformName() == "eglfs" || QGuiApplication::platformName() == "linuxfb") {
qputenv("SDL_VIDEODRIVER", "kmsdrm");
}
#endif
#ifdef Q_OS_WIN32
// If we don't have stdout or stderr handles (which will normally be the case
// since we're a /SUBSYSTEM:WINDOWS app), attach to our parent console and use
// that for stdout and stderr.
//
// If we do have stdout or stderr handles, that means the user has used standard
// handle redirection. In that case, we don't want to override those handles.
if (AttachConsole(ATTACH_PARENT_PROCESS)) {
// If we didn't have an old stdout/stderr handle, use the new CONOUT$ handle
if (IS_UNSPECIFIED_HANDLE(oldConOut)) {
FILE* fp;
if (freopen_s(&fp, "CONOUT$", "w", stdout) == 0) {
setvbuf(fp, NULL, _IONBF, 0);
}
else {
freopen_s(&fp, "NUL", "w", stdout);
}
}
if (IS_UNSPECIFIED_HANDLE(oldConErr)) {
FILE* fp;
if (freopen_s(&fp, "CONOUT$", "w", stderr) == 0) {
setvbuf(fp, NULL, _IONBF, 0);
}
else {
freopen_s(&fp, "NUL", "w", stderr);
}
}
}
#endif
GlobalCommandLineParser parser;
GlobalCommandLineParser::ParseResult commandLineParserResult = parser.parse(app.arguments());
switch (commandLineParserResult) {
case GlobalCommandLineParser::ListRequested:
// Don't log to the console since it will jumble the command output
s_SuppressVerboseOutput = true;
break;
default:
break;
}
SDL_version compileVersion;
SDL_VERSION(&compileVersion);
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Compiled with SDL %d.%d.%d",
compileVersion.major, compileVersion.minor, compileVersion.patch);
SDL_version runtimeVersion;
SDL_GetVersion(&runtimeVersion);
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Running with SDL %d.%d.%d",
runtimeVersion.major, runtimeVersion.minor, runtimeVersion.patch);
// Apply the initial translation based on user preference
StreamingPreferences::get()->retranslate();
// Trickily declare the translation for dialog buttons
QCoreApplication::translate("QPlatformTheme", "&Yes");
QCoreApplication::translate("QPlatformTheme", "&No");
QCoreApplication::translate("QPlatformTheme", "OK");
QCoreApplication::translate("QPlatformTheme", "Help");
QCoreApplication::translate("QPlatformTheme", "Cancel");
// After the QGuiApplication is created, the platform stuff will be initialized
// and we can set the SDL video driver to match Qt.
if (WMUtils::isRunningWayland() && QGuiApplication::platformName() == "xcb") {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Detected XWayland. This will probably break hardware decoding! Try running with QT_QPA_PLATFORM=wayland or switch to X11.");
qputenv("SDL_VIDEODRIVER", "x11");
}
else if (QGuiApplication::platformName().startsWith("wayland")) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Detected Wayland");
qputenv("SDL_VIDEODRIVER", "wayland");
}
#ifdef STEAM_LINK
// Qt 5.9 from the Steam Link SDK is not able to load any fonts
// since the Steam Link doesn't include any of the ones it looks
// for. We know it has NotoSans so we will explicitly ask for that.
if (app.font().family().isEmpty()) {
qWarning() << "SL HACK: No default font - using NotoSans";
QFont fon("NotoSans");
app.setFont(fon);
}
// Move the mouse to the bottom right so it's invisible when using
// gamepad-only navigation.
QCursor().setPos(0xFFFF, 0xFFFF);
#elif !SDL_VERSION_ATLEAST(2, 0, 11) && defined(Q_OS_LINUX) && (defined(__arm__) || defined(__aarch64__))
if (qgetenv("SDL_VIDEO_GL_DRIVER").isEmpty() && QGuiApplication::platformName() == "eglfs") {
// Look for Raspberry Pi GLES libraries. SDL 2.0.10 and earlier needs some help finding
// the correct libraries for the KMSDRM backend if not compiled with the RPI backend enabled.
if (SDL_LoadObject("libbrcmGLESv2.so") != nullptr) {
qputenv("SDL_VIDEO_GL_DRIVER", "libbrcmGLESv2.so");
}
else if (SDL_LoadObject("/opt/vc/lib/libbrcmGLESv2.so") != nullptr) {
qputenv("SDL_VIDEO_GL_DRIVER", "/opt/vc/lib/libbrcmGLESv2.so");
}
}
#endif
#ifndef Q_OS_DARWIN
// Set the window icon except on macOS where we want to keep the
// modified macOS 11 style rounded corner icon.
app.setWindowIcon(QIcon(":/res/moonlight.svg"));
#endif
// This is necessary to show our icon correctly on Wayland
app.setDesktopFileName("com.moonlight_stream.Moonlight");
qputenv("SDL_VIDEO_WAYLAND_WMCLASS", "com.moonlight_stream.Moonlight");
qputenv("SDL_VIDEO_X11_WMCLASS", "com.moonlight_stream.Moonlight");
// Register our C++ types for QML
qmlRegisterType<ComputerModel>("ComputerModel", 1, 0, "ComputerModel");
qmlRegisterType<AppModel>("AppModel", 1, 0, "AppModel");
qmlRegisterUncreatableType<Session>("Session", 1, 0, "Session", "Session cannot be created from QML");
qmlRegisterSingletonType<ComputerManager>("ComputerManager", 1, 0,
"ComputerManager",
[](QQmlEngine* qmlEngine, QJSEngine*) -> QObject* {
return new ComputerManager(StreamingPreferences::get(qmlEngine));
});
qmlRegisterSingletonType<AutoUpdateChecker>("AutoUpdateChecker", 1, 0,
"AutoUpdateChecker",
[](QQmlEngine*, QJSEngine*) -> QObject* {
return new AutoUpdateChecker();
});
qmlRegisterSingletonType<SystemProperties>("SystemProperties", 1, 0,
"SystemProperties",
[](QQmlEngine*, QJSEngine*) -> QObject* {
return new SystemProperties();
});
qmlRegisterSingletonType<SdlGamepadKeyNavigation>("SdlGamepadKeyNavigation", 1, 0,
"SdlGamepadKeyNavigation",
[](QQmlEngine* qmlEngine, QJSEngine*) -> QObject* {
return new SdlGamepadKeyNavigation(StreamingPreferences::get(qmlEngine));
});
qmlRegisterSingletonType<StreamingPreferences>("StreamingPreferences", 1, 0,
"StreamingPreferences",
[](QQmlEngine* qmlEngine, QJSEngine*) -> QObject* {
return StreamingPreferences::get(qmlEngine);
});
// Create the identity manager on the main thread
IdentityManager::get();
// We require the Material theme
QQuickStyle::setStyle("Material");
// Our icons are styled for a dark theme, so we do not allow the user to override this
qputenv("QT_QUICK_CONTROLS_MATERIAL_THEME", "Dark");
// These are defaults that we allow the user to override
if (!qEnvironmentVariableIsSet("QT_QUICK_CONTROLS_MATERIAL_ACCENT")) {
qputenv("QT_QUICK_CONTROLS_MATERIAL_ACCENT", "Purple");
}
if (!qEnvironmentVariableIsSet("QT_QUICK_CONTROLS_MATERIAL_VARIANT")) {
qputenv("QT_QUICK_CONTROLS_MATERIAL_VARIANT", "Dense");
}
if (!qEnvironmentVariableIsSet("QT_QUICK_CONTROLS_MATERIAL_PRIMARY")) {
// Qt 6.9 began to use a different shade of Material.Indigo when we use a dark theme
// (which is all the time). The new color looks washed out, so manually specify the
// old primary color unless the user overrides it themselves.
qputenv("QT_QUICK_CONTROLS_MATERIAL_PRIMARY", "#3F51B5");
}
QQmlApplicationEngine engine;
QString initialView;
bool hasGUI = true;
switch (commandLineParserResult) {
case GlobalCommandLineParser::NormalStartRequested:
initialView = "qrc:/gui/PcView.qml";
break;
case GlobalCommandLineParser::StreamRequested:
{
initialView = "qrc:/gui/CliStartStreamSegue.qml";
StreamingPreferences* preferences = StreamingPreferences::get();
StreamCommandLineParser streamParser;
streamParser.parse(app.arguments(), preferences);
QString host = streamParser.getHost();
QString appName = streamParser.getAppName();
auto launcher = new CliStartStream::Launcher(host, appName, preferences, &app);
engine.rootContext()->setContextProperty("launcher", launcher);
break;
}
case GlobalCommandLineParser::QuitRequested:
{
initialView = "qrc:/gui/CliQuitStreamSegue.qml";
QuitCommandLineParser quitParser;
quitParser.parse(app.arguments());
auto launcher = new CliQuitStream::Launcher(quitParser.getHost(), &app);
engine.rootContext()->setContextProperty("launcher", launcher);
break;
}
case GlobalCommandLineParser::PairRequested:
{
initialView = "qrc:/gui/CliPair.qml";
PairCommandLineParser pairParser;
pairParser.parse(app.arguments());
auto launcher = new CliPair::Launcher(pairParser.getHost(), pairParser.getPredefinedPin(), &app);
engine.rootContext()->setContextProperty("launcher", launcher);
break;
}
case GlobalCommandLineParser::ListRequested:
{
ListCommandLineParser listParser;
listParser.parse(app.arguments());
auto launcher = new CliListApps::Launcher(listParser.getHost(), listParser, &app);
launcher->execute(new ComputerManager(StreamingPreferences::get()));
hasGUI = false;
break;
}
}
if (hasGUI) {
engine.rootContext()->setContextProperty("initialView", initialView);
// Load the main.qml file
engine.load(QUrl(QStringLiteral("qrc:/gui/main.qml")));
if (engine.rootObjects().isEmpty())
return -1;
}
int err = app.exec();
// Give worker tasks time to properly exit. Fixes PendingQuitTask
// sometimes freezing and blocking process exit.
QThreadPool::globalInstance()->waitForDone(30000);
// Restore the default logger for all libraries before shutting down ours
#if SDL_VERSION_ATLEAST(3, 0, 0)
SDL_SetLogOutputFunction(SDL_GetDefaultLogOutputFunction(), nullptr);
#else
SDL_LogSetOutputFunction(oldSdlLogFn, oldSdlLogUserdata);
#endif
qInstallMessageHandler(nullptr);
#ifdef HAVE_FFMPEG
av_log_set_callback(av_log_default_callback);
#endif
// We should not be in async logging mode anymore
Q_ASSERT(g_AsyncLoggingEnabled == 0);
// Wait for pending log messages to be printed
s_LoggerThread.waitForDone();
#ifdef Q_OS_WIN32
// Without an explicit flush, console redirection for the list command
// doesn't work reliably (sometimes the target file contains no text).
fflush(stderr);
fflush(stdout);
#endif
return err;
}
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