--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 27 18:40:28 2025 +0100
@@ -0,0 +1,144 @@
+//////////////////////////////////////////////////////////////////////////////
+/// \file   main.cpp
+/// \brief  Wrap everything up.
+/// \author JD Gascuel.
+///
+/// \copyright (c) 2011-2014 JD Gascuel. All rights reserved.
+/// $Id$
+//////////////////////////////////////////////////////////////////////////////
+//
+// BSD 2-Clause License:
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice,
+//    this list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice,
+//    this list of conditions and the following disclaimer in the documentation
+//    and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+// THE POSSIBILITY OF SUCH DAMAGE.
+//
+//////////////////////////////////////////////////////////////////////////////
+// HISTORY
+//  2013-03-17 : [jDG] Initial version.
+//  2014-07-07 : [jDG] Cleanups for Subsurface google-summer-of-code.
+//  2014-07-25 : [jDG] BSD 2-clause license.
+//  2014-10-21 : [jDG] Update for Qt5.3
+//  2015-03-16 : [jDG] Update for Qt5.4.1, Renamed OSTC2c, Added OSTC2, OSTC3+
+
+#include "MainWindow.h"
+
+#include "SettingsDialog.h"
+#include "Utils/Log.h"
+
+#include <QApplication>
+#include <QSettings>
+#include <QSysInfo>
+#include <QOperatingSystemVersion>
+
+QSettings* settings = NULL;
+
+//////////////////////////////////////////////////////////////////////////////
+
+int main(int argc, char *argv[])
+{
+    //---- LOG system and initialization -------------------------------------
+    Log::init(argc, argv);
+
+#if 0
+    LOG_TRACE("OSTC Companion "
+        << "v" << MAJOR_VERSION << "." << MINOR_VERSION
+        << (BETA_VERSION ? QString(" beta %1").arg(PATCH_VERSION) : " release")
+        << " " << QSysInfo::WordSize << "bits"
+        << " (build " BUILD_VERSION ").");
+#endif
+#if 0
+#define LOG_TRACE(msg) \
+    do { \
+            if(Log::minLevel <= Log::LEVEL_TRACE) { \
+                std::ostringstream oss; \
+                oss << msg; \
+                LogAction(Log::LEVEL_TRACE, __FILE__, __LINE__, LOG_FUNCTION_) << oss.str(); \
+        } \
+    } while(0)
+#endif
+#define LOG_TRACE(msg) \
+    do { \
+            if(Log::minLevel <= Log::LEVEL_TRACE) { \
+                LogAction(Log::LEVEL_TRACE, __FILE__, __LINE__, LOG_FUNCTION_) << QString("%1").arg(msg); \
+        } \
+    } while(0)
+
+#ifdef Q_OS_WIN32
+
+    auto os = QOperatingSystemVersion::current();
+
+    if (os >= QOperatingSystemVersion(QOperatingSystemVersion::Windows, 10)) {
+        LOG_TRACE("    Windows 10 or newer");
+    } else if (os >= QOperatingSystemVersion(QOperatingSystemVersion::Windows, 8)) {
+        LOG_TRACE("    Windows 8");
+    }
+
+#if 0
+    switch(QSysInfo::windowsVersion()) {
+    case QSysInfo::WV_XP:           LOG_TRACE("    Windows XP");    break;
+    case QSysInfo::WV_2003:         LOG_TRACE("    Windows 2003");  break;
+    case QSysInfo::WV_VISTA:        LOG_TRACE("    Windows Vista"); break;
+    case QSysInfo::WV_WINDOWS7:     LOG_TRACE("    Windows 7");     break;
+    case QSysInfo::WV_WINDOWS8:     LOG_TRACE("    Windows 8");     break;
+    case QSysInfo::WV_WINDOWS8_1:   LOG_TRACE("    Windows 8.1");   break;
+#if QT_VERSION < 0x0505
+    case 0x00c0:
+#else
+    case QSysInfo::WV_WINDOWS10:
+#endif
+                                    LOG_TRACE("    Windows 10");    break;
+    default:                        LOG_TRACE("    Windows " << QString().sprintf("%04X", QSysInfo::windowsVersion()) ); break;
+    }
+#endif
+#elif defined(Q_OS_MACX)
+    if( QSysInfo::macVersion() < 2 )
+        LOG_TRACE("    MacOS 9" );
+    else
+        LOG_TRACE("    MacOS 10." << int(QSysInfo::macVersion()-2));
+#elif defined(Q_OS_LINUX)
+    LOG_TRACE("    Linux ");
+#else
+#       error Unknown OS not yet implemented
+#endif
+ //   LOG_TRACE("    Qt build " << QT_VERSION_STR << " (DLL " << qVersion() << ")");
+        LOG_TRACE(QString("    Qt build %1 (DLL %2)").arg(QT_VERSION_STR).arg(qVersion()));
+    //---- Initialize interface ----------------------------------------------
+    // Allow nice display on 4K screens:
+    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps,    true);
+
+    QApplication a(argc, argv);
+
+    settings = new QSettings("OSTC", "Companion", &a);
+    Settings::reload(0);
+    MainWindow w;
+    w.show();
+
+    int rc = a.exec();
+
+    settings->sync();
+    delete settings;
+
+    Log::close();
+    return rc;
+}