mirai/src/main.cpp

/*
 * Mirai. Copyright (C) 2024 Vyn
 * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
 * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
 */

#include <QtCore/QRect>
#include <QtGui/QFont>
#include <QtGui/QGuiApplication>
#include <QtGui/QScreen>
#include <QtQml/QQmlApplicationEngine>
#include <exception>
#include <iostream>
#include <ostream>

int main(int argc, char *argv[])
{
	try {
		QGuiApplication app(argc, argv);

		qreal refDpi = 54.;
		qreal refHeight = 1440.;
		qreal refWidth = 2560.;
		QRect rect = QGuiApplication::primaryScreen()->geometry();
		qreal height = qMax(rect.width(), rect.height());
		qreal width = qMin(rect.width(), rect.height());
		qreal dpi = QGuiApplication::primaryScreen()->logicalDotsPerInch();
		// auto m_ratio = qMin(height/refHeight, width/refWidth);
		auto m_ratioFont =
			qMin(height * refDpi / (dpi * refHeight), width * refDpi / (dpi * refWidth));

		QFont font("Helvetica", m_ratioFont);
		app.setFont(font);

		QQmlApplicationEngine engine;
		const QUrl url(u"qrc:/qt/qml/Mirai/src/qml/Main.qml"_qs);
		QObject::connect(
			&engine, &QQmlApplicationEngine::objectCreationFailed, &app,
			[]() { QCoreApplication::exit(-1); }, Qt::QueuedConnection);
		engine.load(url);

		return app.exec();
	} catch (const std::exception &e) {
		std::cout << e.what() << std::endl;
	}
}