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moonlight-qt/app/main.cpp
Cameron Gutman 6e7a42065c Translation updates and refactoring
2020-11-21 13:15:54 -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 <QFile>
#include<QTranslator>
// 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"
#elif defined(Q_OS_LINUX)
#include <openssl/ssl.h>
#endif
#include "cli/quitstream.h"
#include "cli/startstream.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/systemproperties.h"
#include "streaming/session.h"
#include "settings/streamingpreferences.h"
#include "gui/sdlgamepadkeynavigation.h"
#if !defined(QT_DEBUG) && defined(Q_OS_WIN32)
// Log to file for release Windows builds
#define USE_CUSTOM_LOGGER
#define LOG_TO_FILE
#elif defined(Q_OS_UNIX) && !defined(Q_OS_DARWIN)
// Use stdout logger on all Linux/BSD builds
#define USE_CUSTOM_LOGGER
#elif !defined(QT_DEBUG) && defined(Q_OS_DARWIN)
// Log to file for release Mac builds
#define USE_CUSTOM_LOGGER
#define LOG_TO_FILE
#else
// For debug Windows and Mac builds, use default logger
#endif
#ifdef USE_CUSTOM_LOGGER
static QElapsedTimer s_LoggerTime;
static QTextStream s_LoggerStream(stdout);
static QMutex s_LoggerLock;
#ifdef LOG_TO_FILE
#define MAX_LOG_LINES 10000
static int s_LogLinesWritten = 0;
static bool s_LogLimitReached = false;
static QFile* s_LoggerFile;
#endif
void logToLoggerStream(QString& message)
{
QMutexLocker lock(&s_LoggerLock);
#ifdef LOG_TO_FILE
if (s_LogLimitReached) {
return;
}
else if (s_LogLinesWritten == MAX_LOG_LINES) {
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_LogLinesWritten++;
}
#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:
priorityTxt = "Verbose";
break;
case SDL_LOG_PRIORITY_DEBUG:
priorityTxt = "Debug";
break;
case SDL_LOG_PRIORITY_INFO:
priorityTxt = "Info";
break;
case SDL_LOG_PRIORITY_WARN:
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:
typeTxt = "Debug";
break;
case QtInfoMsg:
typeTxt = "Info";
break;
case QtWarningMsg:
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;
}
av_log_format_line(ptr, level, fmt, vl, lineBuffer, sizeof(lineBuffer), &printPrefix);
QTime logTime = QTime::fromMSecsSinceStartOfDay(s_LoggerTime.elapsed());
QString txt = QString("%1 - FFmpeg: %2").arg(logTime.toString()).arg(lineBuffer);
logToLoggerStream(txt);
}
#endif
#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()) {
qInfo() << "Running in portable mode from:" << QDir::currentPath();
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);
}
#ifdef USE_CUSTOM_LOGGER
#ifdef LOG_TO_FILE
QDir tempDir(Path::getLogDir());
s_LoggerFile = new QFile(tempDir.filePath(QString("Moonlight-%1.log").arg(QDateTime::currentSecsSinceEpoch())));
if (s_LoggerFile->open(QIODevice::WriteOnly)) {
qInfo() << "Redirecting log output to " << s_LoggerFile->fileName();
s_LoggerStream.setDevice(s_LoggerFile);
}
#endif
s_LoggerTime.start();
qInstallMessageHandler(qtLogToDiskHandler);
SDL_LogSetOutputFunction(sdlLogToDiskHandler, nullptr);
#ifdef HAVE_FFMPEG
av_log_set_callback(ffmpegLogToDiskHandler);
#endif
#endif
#ifdef Q_OS_WIN32
// Create a crash dump when we crash on Windows
SetUnhandledExceptionFilter(UnhandledExceptionHandler);
#endif
#if defined(Q_OS_WIN32)
// Force AntiHooking.dll to be statically imported and loaded
// by ntdll 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
// 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 (!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.";
}
}
#endif
}
// This avoids using the default keychain for SSL, which may cause
// password prompts on macOS.
qputenv("QT_SSL_USE_TEMPORARY_KEYCHAIN", "1");
#ifdef Q_OS_WIN32
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
// 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");
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);
// 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");
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");
#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);
QTranslator translator;
qDebug() << "Translation loaded: " << translator.load(QString(":/languages/qml_") + QLocale::system().name());
app.installTranslator(&translator);
// 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.");
}
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
app.setWindowIcon(QIcon(":/res/moonlight.svg"));
// 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*, QJSEngine*) -> QObject* {
return new ComputerManager();
});
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*, QJSEngine*) -> QObject* {
return new SdlGamepadKeyNavigation();
});
qmlRegisterSingletonType<StreamingPreferences>("StreamingPreferences", 1, 0,
"StreamingPreferences",
[](QQmlEngine*, QJSEngine*) -> QObject* {
return new StreamingPreferences();
});
// Create the identity manager on the main thread
IdentityManager::get();
#ifndef Q_OS_WINRT
// Use the dense material dark theme by default
if (!qEnvironmentVariableIsSet("QT_QUICK_CONTROLS_STYLE")) {
qputenv("QT_QUICK_CONTROLS_STYLE", "Material");
}
#else
// Use universal dark on WinRT
if (!qEnvironmentVariableIsSet("QT_QUICK_CONTROLS_STYLE")) {
qputenv("QT_QUICK_CONTROLS_STYLE", "Universal");
}
#endif
if (!qEnvironmentVariableIsSet("QT_QUICK_CONTROLS_MATERIAL_THEME")) {
qputenv("QT_QUICK_CONTROLS_MATERIAL_THEME", "Dark");
}
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_UNIVERSAL_THEME")) {
qputenv("QT_QUICK_CONTROLS_UNIVERSAL_THEME", "Dark");
}
QQmlApplicationEngine engine;
QString initialView;
GlobalCommandLineParser parser;
switch (parser.parse(app.arguments())) {
case GlobalCommandLineParser::NormalStartRequested:
initialView = "qrc:/gui/PcView.qml";
break;
case GlobalCommandLineParser::StreamRequested:
{
initialView = "qrc:/gui/CliStartStreamSegue.qml";
StreamingPreferences* preferences = new StreamingPreferences(&app);
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;
}
}
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);
return err;
}
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