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/************************************************************************
*
* Copyright (C) 2021-2023 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/>.
*
***********************************************************************/
#include "module/ui/qt/material_opacity_editor.hpp"
#include <ui/qt/container/widget.hpp>
#include <QHBoxLayout>
#include <QLabel>
#include <QSlider>
#include <QVBoxLayout>
namespace sight::module::ui::qt
{
//------------------------------------------------------------------------------
void material_opacity_editor::configuring()
{
const config_t configuration = this->get_config();
m_label = configuration.get<std::string>("label", m_label);
this->initialize();
}
//------------------------------------------------------------------------------
void material_opacity_editor::starting()
{
this->create();
auto qt_container = std::dynamic_pointer_cast<sight::ui::qt::container::widget>(this->get_container());
auto* const opacity_label = new QLabel(tr(m_label.c_str()));
m_opacity_slider = new QSlider(Qt::Horizontal);
m_opacity_slider->setToolTip(tr("Adjust opacity level"));
m_opacity_slider->setRange(0, 100);
m_opacity_slider->setTickInterval(20);
m_opacity_slider->setTickPosition(QSlider::TicksBelow);
m_opacity_slider->setMinimumSize(m_opacity_slider->sizeHint());
m_opacity_value = new QLabel("");
m_opacity_value->setMinimumSize(m_opacity_value->sizeHint());
auto* const main_layout = new QVBoxLayout();
auto* const opacity_layout = new QHBoxLayout();
opacity_layout->addWidget(opacity_label, 0);
opacity_layout->addWidget(m_opacity_slider, 1);
opacity_layout->addWidget(m_opacity_value, 0);
main_layout->addLayout(opacity_layout, 0);
qt_container->set_layout(main_layout);
this->updating();
QObject::connect(m_opacity_slider, &QSlider::valueChanged, this, &material_opacity_editor::on_opacity_slider);
}
//------------------------------------------------------------------------------
void material_opacity_editor::updating()
{
auto material = m_material.lock();
const int a = static_cast<int>(material->diffuse()->alpha() * 100.F);
m_opacity_slider->setValue(a);
}
//------------------------------------------------------------------------------
void material_opacity_editor::on_opacity_slider(int _value)
{
auto material = m_material.lock();
material->diffuse()->alpha() = static_cast<float>(_value) / 100.F;
std::stringstream ss;
ss << _value << "%";
m_opacity_value->setText(QString::fromStdString(ss.str()));
auto sig = material->signal<data::object::modified_signal_t>(data::object::MODIFIED_SIG);
sig->async_emit();
}
//------------------------------------------------------------------------------
void material_opacity_editor::stopping()
{
this->destroy();
}
//------------------------------------------------------------------------------
} // namespace sight::module::ui::qt
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