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/************************************************************************
*
* Copyright (C) 2023-2024 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/>.
*
***********************************************************************/
#include "non_linear_slider.hpp"
#include <core/spy_log.hpp>
#include <QResizeEvent>
namespace sight::ui::qt::widget
{
non_linear_slider::non_linear_slider(QWidget* _parent) :
QWidget(_parent)
{
m_slider->setOrientation(Qt::Horizontal);
m_slider->setSingleStep(1);
m_slider->setPageStep(1);
setSizePolicy(m_slider->sizePolicy().horizontalPolicy(), m_slider->sizePolicy().verticalPolicy());
QObject::connect(
m_slider.get(),
&QAbstractSlider::valueChanged,
[this](int _v)
{
Q_EMIT value_changed(m_values[std::size_t(_v)]);
});
}
//------------------------------------------------------------------------------
void non_linear_slider::set_orientation(Qt::Orientation _orientation)
{
m_slider->setOrientation(_orientation);
}
//------------------------------------------------------------------------------
void non_linear_slider::set_values(const std::vector<int>& _values)
{
SIGHT_ASSERT("The values list should be sorted", std::ranges::is_sorted(_values));
m_values = _values;
m_slider->setRange(0, static_cast<int>(_values.size() - 1));
m_slider->setValue(0);
Q_EMIT range_changed(_values.front(), _values.back());
Q_EMIT value_changed(value());
}
//------------------------------------------------------------------------------
void non_linear_slider::set_value(int _value)
{
auto it = std::ranges::find(m_values, _value);
SIGHT_ASSERT("The value should exist in the list of possible values", it != m_values.end());
m_slider->setValue(static_cast<int>(std::distance(m_values.begin(), it)));
}
//------------------------------------------------------------------------------
void non_linear_slider::set_index(std::size_t _index)
{
m_slider->setValue(static_cast<int>(_index));
}
//------------------------------------------------------------------------------
void non_linear_slider::set_tracking(bool _tracking)
{
m_slider->setTracking(_tracking);
}
//------------------------------------------------------------------------------
int non_linear_slider::value()
{
SIGHT_ASSERT(
"Internal slider value should be within range",
0 <= m_slider->value() && m_slider->value() < int(m_values.size())
);
return m_values[static_cast<std::size_t>(m_slider->value())];
}
//------------------------------------------------------------------------------
std::size_t non_linear_slider::index()
{
return static_cast<std::size_t>(m_slider->value());
}
//------------------------------------------------------------------------------
QSize non_linear_slider::minimumSizeHint() const
{
return m_slider->minimumSizeHint();
}
//------------------------------------------------------------------------------
QSize non_linear_slider::sizeHint() const
{
return m_slider->sizeHint();
}
//------------------------------------------------------------------------------
bool non_linear_slider::event(QEvent* _event)
{
if(auto* resize_event = dynamic_cast<QResizeEvent*>(_event); resize_event != nullptr && m_slider != nullptr)
{
m_slider->resize(resize_event->size());
}
return QWidget::event(_event);
}
} // namespace sight::ui::qt::widget
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