main.cpp

#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QQmlContext>
#include <QNetworkAccessManager>
#include <QSettings>

#include "src/controller/network-data-controller.h"
#include "src/controller/owm-controller.h"

int main(int argc, char *argv[])
{
	qputenv("QT_IM_MODULE", QByteArray("qtvirtualkeyboard"));
	if (qEnvironmentVariableIsEmpty("QTGLESSTREAM_DISPLAY")) {
		qputenv("QT_QPA_EGLFS_PHYSICAL_WIDTH", QByteArray("213"));
		qputenv("QT_QPA_EGLFS_PHYSICAL_HEIGHT", QByteArray("120"));		
	}

	QGuiApplication::setAttribute(Qt::AA_UseOpenGLES);
	QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
	QGuiApplication app(argc, argv);
	app.setOrganizationName("codefruit");
	app.setOrganizationDomain("codefruit.de");
	app.setApplicationName("QML Weather App");

	QSettings* settings = new QSettings();	
	if (settings->value("general/systemLang").isNull()) {
		QLocale l = QLocale::system();
		QStringList langs = l.uiLanguages();
		settings->setValue("general/systemLang", langs.isEmpty() ? "" : langs.first().left(2).toLower());
		settings->setValue("general/systemUnits", l.measurementSystem() == QLocale::MetricSystem ? "metric" : "imperial");
		settings->setValue("general/temperatureUnit", l.measurementSystem() == QLocale::MetricSystem ? "c" : "f");
	}

	QNetworkAccessManager* nam = new QNetworkAccessManager();
	NetworkDataController* ndc = new NetworkDataController(nam);
	OwmController* wc = new OwmController(ndc, settings);

	QQmlApplicationEngine engine;
	engine.rootContext()->setContextProperty("NetworkDataController", ndc);
	engine.rootContext()->setContextProperty("OwmController", wc);

	const QUrl url(QStringLiteral("qrc:/main.qml"));
	QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
			 &app, [url](QObject *obj, const QUrl &objUrl) {
		if (!obj && url == objUrl)
			QCoreApplication::exit(-1);
	}, Qt::QueuedConnection);
	engine.load(url);

	int rt = app.exec();

	settings->sync();	
	qDeleteAll(engine.rootObjects());

	delete wc;
	delete ndc;
	delete nam;
	delete settings;

	return rt;
}