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/************************************************************************
*
* Copyright (C) 2021-2024 IRCAD France
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#pragma once
#include <data/material.hpp>
#include <ui/__/editor.hpp>
#include <QObject>
#include <QPointer>
class QSlider;
class QLabel;
namespace sight::module::ui::qt
{
/**
* @brief Adds an opacity editor widget (Slider) applied on a data::material.
*
* @section XML XML Configuration
*
* @code{.xml}
<service type="sight::module::ui::qt::material_opacity_editor">
<inout key="material" uid="..." />
<label>Object's opacity: </label>
</service>
@endcode
*
*@subsection In-Out In-Out
* - \b material [sight::data::material]: material object to update.
*
*@subsection Configuration Configuration
* - \b label (optional, default="Material opacity : "): label of the slider.
*/
class material_opacity_editor : public QObject,
public sight::ui::editor
{
Q_OBJECT
public:
SIGHT_DECLARE_SERVICE(material_opacity_editor, sight::ui::editor);
/// Destroys the service.
~material_opacity_editor() noexcept override = default;
private:
/// Configures the slider's label.
void configuring() override;
/// Sets the connections and the UI elements.
void starting() override;
/// Sets the opacity slider's value to the material's alpha value.
void updating() override;
/// Destroys the connections and cleans the container.
void stopping() override;
QPointer<QSlider> m_opacity_slider;
QPointer<QLabel> m_opacity_value;
/// Name that appears next to the slider.
std::string m_label {"Material opacity : "};
data::ptr<data::material, data::access::inout> m_material {this, "material"};
private Q_SLOTS:
/**
* @brief Slot: called when the opacity slider changed.
* @param _value The new opacity value.
*/
void on_opacity_slider(int _value);
};
} // namespace sight::module::ui::qt
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