--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SettingsDialog.h	Thu Nov 27 18:40:28 2025 +0100
@@ -0,0 +1,104 @@
+//////////////////////////////////////////////////////////////////////////////
+/// \file   SettingsDialog.h
+/// \brief  Preference dialog for OSTC Companion.
+/// \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] Copyed and adapted from OSTC Planner.
+//  2014-07-07 : [jDG] Cleanups for Subsurface google-summer-of-code.
+//  2014-07-25 : [jDG] BSD 2-clause license.
+
+//////////////////////////////////////////////////////////////////////////////
+// Import Qt GUI
+
+namespace Ui { class Settings; }
+
+#include <QDialog>
+
+class HardwareOperations;
+class QAbstractButton;
+class QSettings;
+
+//////////////////////////////////////////////////////////////////////////////
+/// \brief Implement preference dialog for OSTC Companion.
+class Settings
+  : public QDialog
+{
+    Q_OBJECT
+    Ui::Settings* _ui;
+    HardwareOperations* _op;
+
+    void changeEvent(QEvent *e);
+
+public:
+    Settings(QWidget* parent, HardwareOperations *op);
+    ~Settings();
+
+    static QString language;
+    static QString port;
+    static QString currentPath;
+
+    /// Setup date and time when connecting.
+    static bool autoSetDateTime;
+
+    /// Skip version check to make development easier
+    static bool forceFirmwareUpdate;
+    static bool forceRTEUpdate;
+    static bool forceFontlibUpdate;
+    static bool useFastMode;
+
+    /// \brief restore preferences from settings
+    static void reload(Settings *);
+
+    /// \brief Save preferences to settings.
+    static void save();
+
+    /// \brief update Qt translators for language.
+    static void setLanguage();
+
+public slots:
+    /// \brief dynamically change application's translation.
+    void languageSlot(int i);
+
+    /// \brief redo list of available ports.
+    void updatePortsSlot();
+
+    /// \brief save changes to settings.
+    void accept();
+
+    /// \brief restore saved preferences.
+    void reject();
+
+    /// \brief Reset all settings to default values
+    void resetSettingsSlot();
+};