////////////////////////////////////////////////////////////////////////////////////////
//
//  Copyright 2026 OVITO GmbH, Germany
//
//  This file is part of OVITO (Open Visualization Tool).
//
//  OVITO is free software; you can redistribute it and/or modify it either under the
//  terms of the GNU General Public License version 3 as published by the Free Software
//  Foundation (the "GPL") or, at your option, under the terms of the MIT License.
//  If you do not alter this notice, a recipient may use your version of this
//  file under either the GPL or the MIT License.
//
//  You should have received a copy of the GPL along with this program in a
//  file LICENSE.GPL.txt.  You should have received a copy of the MIT License along
//  with this program in a file LICENSE.MIT.txt
//
//  This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,
//  either express or implied. See the GPL or the MIT License for the specific language
//  governing rights and limitations.
//
////////////////////////////////////////////////////////////////////////////////////////

#pragma once


#include <ovito/gui/desktop/GUI.h>
#include <ovito/gui/desktop/dialogs/ApplicationSettingsDialog.h>
#include <ovito/core/viewport/ViewportSettings.h>

namespace Ovito {

/**
 * Page of the application settings dialog, which hosts viewport-related program options.
 */
class OVITO_GUI_EXPORT ViewportSettingsPage : public ApplicationSettingsDialogPage
{
    OVITO_CLASS(ViewportSettingsPage)
    Q_OBJECT

public:

    /// Creates the widgets of the settings page.
    virtual void insertSettingsDialogPage(QTabWidget* tabWidget) override;

    /// Lets the settings page to save all values entered by the user.
    virtual void saveValues(QTabWidget* tabWidget) override;

    /// Returns an integer value that is used to sort the dialog pages in ascending order.
    virtual int pageSortingKey() const override { return 10; }

    /// \brief Help topic to open when the user presses the help button.
    virtual QString helpTopicId() const override {
        return QStringLiteral("manual:application_settings.viewports");
    }

private Q_SLOTS:

    /// Shows a sub-dialog that allows the user to configure the graphics system used by the viewport.
    void showConfigureViewportGraphicsDialog();

private:

    /// The settings object being modified.
    ViewportSettings _viewportSettings;

    QButtonGroup* _upDirectionGroup;
    QCheckBox* _constrainCameraRotationBox;
    QButtonGroup* _colorScheme;
    QPointer<ConfigureViewportGraphicsDialog> _configureViewportGraphicsDialog;
};

}   // End of namespace
