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#include <QApplication>
#include <QDir>
#include <QString>
#include <QStringList>
#include <QTextCodec>
#include <QThread>
#include <QtDebug>
#include <cstdio>
#include <stdexcept>
#include "config.h"
#include "controllers/controllermanager.h"
#include "coreservices.h"
#include "errordialoghandler.h"
#include "mixxxapplication.h"
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
#include "qml/qmlapplication.h"
#else
#include "mixxxmainwindow.h"
#endif
#include "sources/soundsourceproxy.h"
#include "util/cmdlineargs.h"
#include "util/console.h"
#include "util/logging.h"
#include "util/versionstore.h"
namespace {
// Exit codes
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
constexpr int kFatalErrorOnStartupExitCode = 1;
#endif
constexpr int kParseCmdlineArgsErrorExitCode = 2;
constexpr char kScaleFactorEnvVar[] = "QT_SCALE_FACTOR";
const QString kConfigGroup = QStringLiteral("[Config]");
const QString kScaleFactorKey = QStringLiteral("ScaleFactor");
int runMixxx(MixxxApplication* pApp, const CmdlineArgs& args) {
const auto pCoreServices = std::make_shared<mixxx::CoreServices>(args, pApp);
CmdlineArgs::Instance().parseForUserFeedback();
int exitCode;
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
mixxx::qml::QmlApplication qmlApplication(pApp, pCoreServices);
exitCode = pApp->exec();
#else
{
// This scope ensures that `MixxxMainWindow` is destroyed *before*
// CoreServices is shut down. Otherwise a debug assertion complaining about
// leaked COs may be triggered.
MixxxMainWindow mainWindow(pCoreServices);
pApp->processEvents();
pApp->installEventFilter(&mainWindow);
QObject::connect(pCoreServices.get(),
&mixxx::CoreServices::initializationProgressUpdate,
&mainWindow,
&MixxxMainWindow::initializationProgressUpdate);
pCoreServices->initialize(pApp);
#ifdef MIXXX_USE_QOPENGL
// Will call initialize when the initial wglwidget's
// qopenglwindow has been exposed
mainWindow.initializeQOpenGL();
#else
mainWindow.initialize();
#endif
pCoreServices->getControllerManager()->setUpDevices();
// If startup produced a fatal error, then don't even start the
// Qt event loop.
if (ErrorDialogHandler::instance()->checkError()) {
exitCode = kFatalErrorOnStartupExitCode;
} else {
qDebug() << "Displaying main window";
mainWindow.show();
qDebug() << "Running Mixxx";
exitCode = pApp->exec();
}
}
#endif
return exitCode;
}
void adjustScaleFactor(CmdlineArgs* pArgs) {
if (qEnvironmentVariableIsSet(kScaleFactorEnvVar)) {
bool ok;
const double f = qgetenv(kScaleFactorEnvVar).toDouble(&ok);
if (ok && f > 0) {
// The environment variable overrides the preferences option
qDebug() << "Using" << kScaleFactorEnvVar << f;
pArgs->setScaleFactor(f);
return;
}
}
// We cannot use SettingsManager, because it depends on MixxxApplication
// but the scale factor is read during it's constructor.
// QHighDpiScaling can not be used afterwards because it is private.
// This means the following code may fail after down/upgrade ... a one time issue.
// Read and parse the config file from the settings path
auto config = ConfigObject<ConfigValue>(
QDir(pArgs->getSettingsPath()).filePath(MIXXX_SETTINGS_FILE),
QString(),
QString());
QString strScaleFactor = config.getValue(
ConfigKey(kConfigGroup, kScaleFactorKey));
double scaleFactor = strScaleFactor.toDouble();
if (scaleFactor > 0) {
qDebug() << "Using preferences ScaleFactor" << scaleFactor;
qputenv(kScaleFactorEnvVar, strScaleFactor.toLocal8Bit());
pArgs->setScaleFactor(scaleFactor);
}
}
} // anonymous namespace
int main(int argc, char * argv[]) {
Console console;
// These need to be set early on (not sure how early) in order to trigger
// logic in the OS X appstore support patch from QTBUG-16549.
QCoreApplication::setOrganizationDomain("mixxx.org");
// High DPI scaling is always enabled in Qt6.
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
// This needs to be set before initializing the QApplication.
QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
#endif
#ifdef MIXXX_USE_QOPENGL
QApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
#endif
// workaround for https://bugreports.qt.io/browse/QTBUG-84363
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0) && QT_VERSION < QT_VERSION_CHECK(5, 15, 1)
qputenv("QV4_FORCE_INTERPRETER", QByteArrayLiteral("1"));
#endif
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
// Follow whatever factor the user has selected in the system settings
// By default the value is always rounded to the nearest int.
QGuiApplication::setHighDpiScaleFactorRoundingPolicy(
Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
#endif
// Setting the organization name results in a QDesktopStorage::DataLocation
// of "$HOME/Library/Application Support/Mixxx/Mixxx" on OS X. Leave the
// organization name blank.
//QCoreApplication::setOrganizationName("Mixxx");
QCoreApplication::setApplicationName(VersionStore::applicationName());
QCoreApplication::setApplicationVersion(VersionStore::version());
// Construct a list of strings based on the command line arguments
CmdlineArgs& args = CmdlineArgs::Instance();
if (!args.parse(argc, argv)) {
return kParseCmdlineArgsErrorExitCode;
}
// If you change this here, you also need to change it in
// ErrorDialogHandler::errorDialog(). TODO(XXX): Remove this hack.
QThread::currentThread()->setObjectName("Main");
// Create the ErrorDialogHandler in the main thread, otherwise it will be
// created in the thread of the first caller to instance(), which may not be
// the main thread. Issue #9130.
ErrorDialogHandler::instance();
#ifdef __APPLE__
Sandbox::checkSandboxed();
#endif
adjustScaleFactor(&args);
MixxxApplication app(argc, argv);
#ifdef __APPLE__
// TODO: At this point it is too late to provide the same settings path to all components
// and too early to log errors and give users advises in their system language.
// Calling this from main.cpp before the QApplication is initialized may cause a crash
// due to potential QMessageBox invocations within migrateOldSettings().
// Solution: Start Mixxx with default settings, migrate the preferences, and then restart
// immediately.
if (!args.getSettingsPathSet()) {
CmdlineArgs::Instance().setSettingsPath(Sandbox::migrateOldSettings());
}
#endif
#ifdef __APPLE__
QDir dir(QApplication::applicationDirPath());
// Set the search path for Qt plugins to be in the bundle's PlugIns
// directory, but only if we think the mixxx binary is in a bundle.
if (dir.path().contains(".app/")) {
// If in a bundle, applicationDirPath() returns something formatted
// like: .../Mixxx.app/Contents/MacOS
dir.cdUp();
dir.cd("PlugIns");
qDebug() << "Setting Qt plugin search path to:" << dir.absolutePath();
// asantoni: For some reason we need to do setLibraryPaths() and not
// addLibraryPath(). The latter causes weird problems once the binary
// is bundled (happened with 1.7.2 when Brian packaged it up).
QApplication::setLibraryPaths(QStringList(dir.absolutePath()));
}
#endif
// When the last window is closed, terminate the Qt event loop.
QObject::connect(&app, &MixxxApplication::lastWindowClosed, &app, &MixxxApplication::quit);
int exitCode = runMixxx(&app, args);
qDebug() << "Mixxx shutdown complete with code" << exitCode;
mixxx::Logging::shutdown();
return exitCode;
}
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