nheko/src/main.cpp
Klemens Nanni dc1fb1b454
Honour Qt scaling factor on OpenBSD
Instead of completing the list of Linux, Windows and the BSDs (NetBSD and
DragonFly would still be missing), simply flip it to not-macOS to simplify
and fix the two other aforementioned BSDs at once.
2023-02-23 09:14:31 +04:00

411 lines
14 KiB
C++

// SPDX-FileCopyrightText: Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later
#include <iostream>
#include <QApplication>
#include <QCommandLineParser>
#include <QDesktopServices>
#include <QDir>
#include <QFile>
#include <QFontDatabase>
#include <QGuiApplication>
#include <QLabel>
#include <QLibraryInfo>
#include <QMessageBox>
#include <QPoint>
#include <QQuickView>
#include <QScreen>
#include <QStandardPaths>
#include <QTranslator>
#include "ChatPage.h"
#include "Config.h"
#include "Logging.h"
#include "MainWindow.h"
#include "MatrixClient.h"
#include "Utils.h"
#include "config/nheko.h"
#include "singleapplication.h"
#if defined(Q_OS_MAC)
#include "emoji/MacHelper.h"
#include "notifications/Manager.h"
#endif
#ifdef GSTREAMER_AVAILABLE
#include <QAbstractEventDispatcher>
#include <gst/gst.h>
#include "voip/CallDevices.h"
#endif
#ifdef QML_DEBUGGING
#include <QQmlDebuggingEnabler>
QQmlDebuggingEnabler enabler;
#endif
#if HAVE_BACKTRACE_SYMBOLS_FD
#include <csignal>
#include <execinfo.h>
#include <fcntl.h>
#include <unistd.h>
void
stacktraceHandler(int signum)
{
std::signal(signum, SIG_DFL);
// boost::stacktrace::safe_dump_to("./nheko-backtrace.dump");
// see
// https://stackoverflow.com/questions/77005/how-to-automatically-generate-a-stacktrace-when-my-program-crashes/77336#77336
void *array[50];
int size;
// get void*'s for all entries on the stack
size = backtrace(array, 50);
// print out all the frames to stderr
fprintf(stderr, "Error: signal %d:\n", signum);
backtrace_symbols_fd(array, size, STDERR_FILENO);
int file = ::open("/tmp/nheko-crash.dump",
O_CREAT | O_WRONLY | O_TRUNC
#if defined(S_IWUSR) && defined(S_IRUSR)
,
S_IWUSR | S_IRUSR
#elif defined(S_IWRITE) && defined(S_IREAD)
,
S_IWRITE | S_IREAD
#endif
);
if (file != -1) {
constexpr char header[] = "Error: signal\n";
[[maybe_unused]] auto ret = write(file, header, std::size(header) - 1);
backtrace_symbols_fd(array, size, file);
close(file);
}
std::raise(SIGABRT);
}
void
registerSignalHandlers()
{
std::signal(SIGSEGV, &stacktraceHandler);
std::signal(SIGABRT, &stacktraceHandler);
}
#else
// No implementation for systems with no stacktrace support.
void
registerSignalHandlers()
{
}
#endif
#if defined(GSTREAMER_AVAILABLE) && (defined(Q_OS_MAC) || defined(Q_OS_WINDOWS))
GMainLoop *gloop = 0;
GThread *gthread = 0;
extern "C"
{
static gpointer glibMainLoopThreadFunc(gpointer)
{
gloop = g_main_loop_new(0, false);
g_main_loop_run(gloop);
g_main_loop_unref(gloop);
gloop = 0;
return 0;
}
} // extern "C"
#endif
QPoint
screenCenter(int width, int height)
{
// Deprecated in 5.13: QRect screenGeometry = QApplication::desktop()->screenGeometry();
QRect screenGeometry = QGuiApplication::primaryScreen()->geometry();
int x = (screenGeometry.width() - width) / 2;
int y = (screenGeometry.height() - height) / 2;
return QPoint(x, y);
}
void
createStandardDirectory(QStandardPaths::StandardLocation path)
{
auto dir = QStandardPaths::writableLocation(path);
if (!QDir().mkpath(dir)) {
throw std::runtime_error(("Unable to create state directory:" + dir).toStdString().c_str());
}
}
int
main(int argc, char *argv[])
{
QCoreApplication::setApplicationName(QStringLiteral("nheko"));
QCoreApplication::setApplicationVersion(nheko::version);
QCoreApplication::setOrganizationName(QStringLiteral("nheko"));
QCoreApplication::setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
// this needs to be after setting the application name. Or how would we find our settings
// file then?
#if !defined(Q_OS_MACOS)
if (qgetenv("QT_SCALE_FACTOR").size() == 0) {
float factor = utils::scaleFactor();
if (factor != -1)
qputenv("QT_SCALE_FACTOR", QString::number(factor).toUtf8());
}
#endif
// This is some hacky programming, but it's necessary (AFAIK?) to get the unique config name
// parsed before the SingleApplication userdata is set.
QString userdata{QLatin1String("")};
QString matrixUri;
for (int i = 1; i < argc; ++i) {
QString arg{argv[i]};
if (arg.startsWith(QLatin1String("--profile="))) {
arg.remove(QStringLiteral("--profile="));
userdata = arg;
} else if (arg.startsWith(QLatin1String("--p="))) {
arg.remove(QStringLiteral("-p="));
userdata = arg;
} else if (arg == QLatin1String("--profile") || arg == QLatin1String("-p")) {
if (i < argc - 1) // if i is less than argc - 1, we still have a parameter
// left to process as the name
{
++i; // the next arg is the name, so increment
userdata = QString{argv[i]};
}
} else if (arg.startsWith(QLatin1String("matrix:"))) {
matrixUri = arg;
}
}
SingleApplication app(argc,
argv,
true,
SingleApplication::Mode::User | SingleApplication::Mode::ExcludeAppPath |
SingleApplication::Mode::ExcludeAppVersion |
SingleApplication::Mode::SecondaryNotification,
100,
userdata == QLatin1String("default") ? QLatin1String("") : userdata);
QCommandLineParser parser;
parser.addHelpOption();
parser.addVersionOption();
QCommandLineOption debugOption(QStringLiteral("debug"),
QObject::tr("Alias for '--log-level trace'."));
parser.addOption(debugOption);
QCommandLineOption logLevel(
QStringList() << QStringLiteral("l") << QStringLiteral("log-level"),
QObject::tr("Set the global log level, or a comma-separated list of <component>=<level> "
"pairs, or both. For example, to set the default log level to 'warn' but "
"disable logging for the 'ui' component, pass 'warn,ui=off'. "
"levels:{trace,debug,info,warning,error,critical,off} "
"components:{crypto,db,mtx,net,qml,ui}"),
QObject::tr("level"));
parser.addOption(logLevel);
QCommandLineOption logType(
QStringList() << QStringLiteral("L") << QStringLiteral("log-type"),
QObject::tr("Set the log output type. A comma-separated list is allowed. "
"The default is 'file,stderr'. types:{file,stderr,none}"),
QObject::tr("type"));
parser.addOption(logType);
// This option is not actually parsed via Qt due to the need to parse it before the app
// name is set. It only exists to keep Qt from complaining about the --profile/-p
// option and thereby crashing the app.
QCommandLineOption configName(
QStringList() << QStringLiteral("p") << QStringLiteral("profile"),
QCoreApplication::tr("Create a unique profile which allows you to log into several "
"accounts at the same time and start multiple instances of nheko."),
QCoreApplication::tr("profile"),
QCoreApplication::tr("profile name"));
parser.addOption(configName);
parser.process(app);
// This check needs to happen _after_ process(), so that we actually print help for --help when
// Nheko is already running.
if (app.isSecondary()) {
std::cout << "Sending Matrix URL to main application: " << matrixUri.toStdString()
<< std::endl;
// open uri in main instance
app.sendMessage(matrixUri.toUtf8());
return 0;
}
#if !defined(Q_OS_MAC)
app.setWindowIcon(QIcon::fromTheme(QStringLiteral("nheko"), QIcon{":/logos/nheko.png"}));
#endif
#ifdef NHEKO_FLATPAK
app.setDesktopFileName(QStringLiteral("io.github.NhekoReborn.Nheko"));
#else
app.setDesktopFileName(QStringLiteral("nheko"));
#endif
http::init();
createStandardDirectory(QStandardPaths::CacheLocation);
createStandardDirectory(QStandardPaths::AppDataLocation);
registerSignalHandlers();
#if defined(GSTREAMER_AVAILABLE) && (defined(Q_OS_MAC) || defined(Q_OS_WINDOWS))
// If the version of Qt we're running in does not use GLib, we need to
// start a GMainLoop so that gstreamer can dispatch events.
const QMetaObject *mo = QAbstractEventDispatcher::instance(qApp->thread())->metaObject();
if (gloop == 0 && strcmp(mo->className(), "QEventDispatcherGlib") != 0 &&
strcmp(mo->superClass()->className(), "QEventDispatcherGlib") != 0) {
gthread = g_thread_new(0, glibMainLoopThreadFunc, 0);
}
#endif
try {
QString level;
if (parser.isSet(logLevel)) {
level = parser.value(logLevel);
} else if (parser.isSet(debugOption)) {
level = "trace";
} else {
level = qEnvironmentVariable("NHEKO_LOG_LEVEL");
}
QStringList targets =
(parser.isSet(logType) ? parser.value(logType)
: qEnvironmentVariable("NHEKO_LOG_TYPE", "file,stderr"))
.split(',', Qt::SkipEmptyParts);
targets.removeAll("none");
bool to_stderr = bool(targets.removeAll("stderr"));
QString path = targets.removeAll("file")
? QDir(QStandardPaths::writableLocation(QStandardPaths::CacheLocation))
.filePath("nheko.log")
: QLatin1String("");
if (!targets.isEmpty()) {
std::cerr << "Invalid log type '" << targets.first().toStdString().c_str() << "'"
<< std::endl;
std::exit(1);
}
nhlog::init(level, path, to_stderr);
} catch (const spdlog::spdlog_ex &ex) {
std::cerr << "Log initialization failed: " << ex.what() << std::endl;
std::exit(1);
}
if (parser.isSet(configName))
UserSettings::initialize(parser.value(configName));
else
UserSettings::initialize(std::nullopt);
auto settings = UserSettings::instance().toWeakRef();
QFont font;
QString userFontFamily = settings.lock()->font();
if (!userFontFamily.isEmpty() && userFontFamily != QLatin1String("default")) {
font.setFamily(userFontFamily);
}
font.setPointSizeF(settings.lock()->fontSize());
app.setFont(font);
settings.lock()->applyTheme();
if (QLocale().language() == QLocale::C)
QLocale::setDefault(QLocale(QLocale::English, QLocale::UnitedKingdom));
QTranslator qtTranslator;
qtTranslator.load(QLocale(),
QStringLiteral("qt"),
QStringLiteral("_"),
QLibraryInfo::location(QLibraryInfo::TranslationsPath));
app.installTranslator(&qtTranslator);
QTranslator appTranslator;
appTranslator.load(
QLocale(), QStringLiteral("nheko"), QStringLiteral("_"), QStringLiteral(":/translations"));
app.installTranslator(&appTranslator);
MainWindow w;
// QQuickView w;
// Move the MainWindow to the center
// w.move(screenCenter(w.width(), w.height()));
if (!(settings.lock()->startInTray() && settings.lock()->tray()))
w.show();
QObject::connect(&app, &QApplication::aboutToQuit, &w, [&w]() {
ChatPage::instance()->removeAllNotifications();
w.saveCurrentWindowSize();
if (http::client() != nullptr) {
nhlog::net()->debug("shutting down all I/O threads & open connections");
http::client()->close(true);
nhlog::net()->debug("bye");
}
});
QObject::connect(&app, &SingleApplication::instanceStarted, &w, [&w]() {
w.show();
w.raise();
w.requestActivate();
});
// It seems like handling the message in a blocking manner is a no-go. I have no idea how to
// fix that, so just use a queued connection for now... (ASAN does not cooperate and just
// hides the crash D:)
QObject::connect(
&app,
&SingleApplication::receivedMessage,
ChatPage::instance(),
[&](quint32, QByteArray message) {
QString m = QString::fromUtf8(message);
ChatPage::instance()->handleMatrixUri(m);
},
Qt::QueuedConnection);
QMetaObject::Connection uriConnection;
if (app.isPrimary() && !matrixUri.isEmpty()) {
uriConnection = QObject::connect(ChatPage::instance(),
&ChatPage::contentLoaded,
ChatPage::instance(),
[&uriConnection, matrixUri]() {
ChatPage::instance()->handleMatrixUri(matrixUri);
QObject::disconnect(uriConnection);
});
}
QDesktopServices::setUrlHandler(
QStringLiteral("matrix"), ChatPage::instance(), "handleMatrixUri");
#if defined(Q_OS_MAC)
// Temporary solution for the emoji picker until
// nheko has a proper menu bar with more functionality.
MacHelper::initializeMenus();
// Need to set up notification delegate so users can respond to messages from within the
// notification itself.
NotificationsManager::attachToMacNotifCenter();
#endif
nhlog::ui()->info("starting nheko {}", nheko::version);
auto returnvalue = app.exec();
#ifdef GSTREAMER_AVAILABLE
CallDevices::instance().deinit();
gst_deinit();
#endif
return returnvalue;
}