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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file App/AppOptions.cpp
//! @brief Implements class ProgramOptions.
//!
//! @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 "GUI/Model/Util/Path.h"
#include <QApplication>
#include <QStringList>
#include <fstream>
#include <iostream>
namespace {
//! Converts string "1600x1000" to QSize(1600, 1000)
QSize windowSize(const QString& size_string)
{
QStringList list = size_string.split("x");
if (list.size() != 2)
return QSize();
return QSize(list[0].toInt(), list[1].toInt());
}
//! Returns true if windows size makes sence.
bool isValid(const QSize& win_size)
{
return win_size.width() > 640 && win_size.height() > 480;
}
void exitWithGuiMessage(const QString msg)
{
// As there were command-line arguments, we assume that the app was called from
// a terminal. So we can print to console; no need to open a GUI message box.
std::cerr << msg.toStdString() << std::endl;
exit(-1);
}
} // namespace
ApplicationOptions::ApplicationOptions(int argc, char** argv)
{
QCoreApplication app(argc, argv);
auto m_helpOption =
new QCommandLineOption({"h", "help"}, "Displays help on commandline options.");
auto m_geometryOption =
new QCommandLineOption({"g", "geometry"}, "Main window geometry, e.g., 1600x1000.", "size");
auto m_projectFileOption =
new QCommandLineOption({"p", "project-file"}, "Project file.", "file");
m_parser.setApplicationDescription("BornAgain Graphical User Interface");
m_parser.addOption(*m_helpOption);
m_parser.addVersionOption();
m_parser.addOption(*m_geometryOption);
m_parser.addOption(*m_projectFileOption);
// Parse the command-line arguments
if (!m_parser.parse(QCoreApplication::arguments()))
exitWithGuiMessage(m_parser.errorText());
// Store parsed values
if (m_parser.isSet(*m_geometryOption))
m_geometryValue = m_parser.value(*m_geometryOption);
if (m_parser.isSet(*m_projectFileOption))
m_projectFileValue = m_parser.value(*m_projectFileOption);
if (m_parser.isSet("help")) {
std::cout << m_parser.helpText().toStdString();
exit(0);
}
if (m_parser.isSet("version")) {
std::cout << "BornAgain-" << GUI::Path::getBornAgainVersionString().toStdString()
<< std::endl;
exit(0);
}
if (m_parser.isSet(*m_geometryOption)) {
QSize size = windowSize(m_geometryValue);
if (!isValid(size))
exitWithGuiMessage("Wrong window size, try --geometry=1600x900\n");
}
}
bool ApplicationOptions::find(const QString& name) const
{
return m_parser.isSet(name);
}
QSize ApplicationOptions::mainWindowSize() const
{
return windowSize(m_geometryValue);
}
QString ApplicationOptions::projectFile() const
{
return m_projectFileValue;
}
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