main.cpp

//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      App/main.cpp
//! @brief     Main function of the whole GUI
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************

#include "App/AppOptions.h"
#include "App/MessageHandler.h"
#include "GUI/Application/ApplicationSettings.h"
#include "GUI/Model/Data/SessionData.h"
#include "GUI/Util/Path.h"
#include "GUI/View/Global/Globals.h"
#include "GUI/View/Loaders/DataLoaderUtil.h"
#include "GUI/View/Main/MainWindow.h"
#include "config_build.h"
#include <QDir>
#include <QIcon>
#include <QLocale>
#include <QMessageBox>
#include <QMetaType>
#include <boost/exception/diagnostic_information.hpp>

void messageHandler(QtMsgType, const QMessageLogContext&, const QString&) {}

int main(int argc, char* argv[])
{
    ApplicationOptions options(argc, argv);
    if (!options.isConsistent())
        return 0;

    QLocale::setDefault(QLocale(QLocale::English, QLocale::UnitedStates));
    qRegisterMetaType<QVector<double>>("QVector<double>");

    if (!options.disableHighDPISupport())
        QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);

    QApplication app(argc, argv);
    QApplication::setApplicationName("BornAgain");
    QApplication::setApplicationVersion(GUI::Util::Path::getBornAgainVersionString());
    QApplication::setOrganizationName("BornAgain");
#ifndef Q_OS_MAC
    QApplication::setWindowIcon(QIcon(":/images/BornAgain.ico"));
#endif

    ApplicationSettings applicationSettings;
    SessionData GSession;
    int result;

#if !defined(BUILD_DEBUG)
    try {
#endif
        qInstallMessageHandler(MessageHandler);

        register1DDataLoaders();

        auto style = applicationSettings.styleToUse();
        applicationSettings.loadStyle(style);

        QString dir = GUI::Util::Path::appDataFolder();
        if (!QDir().exists(dir))
            QDir().mkpath(dir);

        GSession.instrumentLibrary.load();

        MainWindow win;
        GUI::Global::mainWindow = &win;
        if (options.find("geometry"))
            win.resize(options.mainWindowSize());

        win.show();

        result = QApplication::exec();

        GSession.instrumentLibrary.saveIfModified();
#if !defined(BUILD_DEBUG)
    } catch (...) {
        QMessageBox box;
        box.setWindowTitle("Fatal error");
        box.setIcon(QMessageBox::Critical);
        box.setText("BornAgain encountered a fatal error and can't continue execution.\n\n"
                    "Diagnostics of error:\n"
                    + QString::fromStdString(boost::current_exception_diagnostic_information()));
        box.addButton("Acknowledge", QMessageBox::AcceptRole);
        box.exec();
        result = EXIT_FAILURE;
    }
#endif

    return result;
}