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moonlight-qt/app/main.cpp
Cameron Gutman ffdf683597 Output log messages to an attached debugger
2024-06-24 19:24:06 -05:00

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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.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
static QElapsedTimer s_LoggerTime;
static QTextStream s_LoggerStream(stderr);
static QMutex s_LoggerLock;
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
#define MAX_LOG_SIZE_BYTES (10 * 1024 * 1024)
static int s_LogBytesWritten = 0;
static bool s_LogLimitReached = false;
static QFile* s_LoggerFile;
#endif
void logToLoggerStream(QString& message)
{
QMutexLocker lock(&s_LoggerLock);
#if defined(QT_DEBUG) && defined(Q_OS_WIN32)
// Output log messages to a debugger if attached
if (IsDebuggerPresent()) {
static 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
if (s_LogLimitReached) {
return;
}
else if (s_LogBytesWritten >= MAX_LOG_SIZE_BYTES) {
s_LoggerStream << "Log size limit reached!";
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
s_LoggerStream << Qt::endl;
#else
s_LoggerStream << endl;
#endif
s_LogLimitReached = true;
return;
}
else {
s_LogBytesWritten += message.size();
}
#endif
s_LoggerStream << message;
s_LoggerStream.flush();
}
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();
}
// 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
s_LoggerTime.start();
qInstallMessageHandler(qtLogToDiskHandler);
SDL_LogSetOutputFunction(sdlLogToDiskHandler, nullptr);
#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
}
#if !defined(Q_PROCESSOR_X86) && defined(SDL_HINT_VIDEO_X11_FORCE_EGL)
// 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 non-x86 platforms, since GLX is deprecated anyway.
SDL_SetHint(SDL_HINT_VIDEO_X11_FORCE_EGL, "1");
#endif
#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_WIN32) || QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
// Moonlight requires the non-threaded renderer because we depend
// on being able to control the render thread by blocking in the
// main thread (and pumping events from the main thread when needed).
// That doesn't work with the threaded renderer which causes all
// sorts of odd behavior depending on the platform.
//
// NB: Windows defaults to the "windows" non-threaded render loop on
// Qt 5 and the threaded render loop on Qt 6.
qputenv("QSG_RENDER_LOOP", "basic");
#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");
// For SDL backends that support it, use double buffering instead of triple buffering
// to save a frame of latency. This doesn't matter for MMAL or DRM renderers since they
// are drawing directly to the screen without involving SDL, but it may matter for other
// future KMSDRM platforms that use SDL for rendering.
SDL_SetHint(SDL_HINT_VIDEO_DOUBLE_BUFFER, "1");
// We use MMAL to render on Raspberry Pi, so we do not require DRM master.
SDL_SetHint("SDL_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_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_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_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_AUDIO_DEVICE_APP_NAME", "Moonlight");
SDL_SetHint("SDL_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_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_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
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;
#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)) {
freopen("CONOUT$", "w", stdout);
setvbuf(stdout, NULL, _IONBF, 0);
}
if (IS_UNSPECIFIED_HANDLE(oldConErr)) {
freopen("CONOUT$", "w", stderr);
setvbuf(stderr, NULL, _IONBF, 0);
}
}
#endif
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.desktop");
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");
}
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);
#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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