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/************************************************************************
*
* Copyright (C) 2009-2025 IRCAD France
* Copyright (C) 2012-2019 IHU Strasbourg
*
* 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 "selection_menu_button.hpp"
#include <core/com/signal.hxx>
#include <core/com/slot.hxx>
#include <core/com/slots.hxx>
#include <ui/qt/container/widget.hpp>
#include <boost/range/iterator_range_core.hpp>
#include <QAction>
#include <QActionGroup>
#include <QMenu>
#include <QPushButton>
#include <QString>
#include <QVBoxLayout>
#include <QWidget>
#include <filesystem>
namespace sight::module::ui::qt
{
static const core::com::signals::key_t SELECTED_SIG = "selected";
static const core::com::slots::key_t SET_ENABLED_SIG = "set_enabled";
static const core::com::slots::key_t SENABLE_SIG = "enable";
static const core::com::slots::key_t DISABLE_SIG = "disable";
selection_menu_button::selection_menu_button() noexcept :
m_sig_selected(new_signal<selected_signal_t>(SELECTED_SIG))
{
new_slot(SET_ENABLED_SIG, &selection_menu_button::set_enabled, this);
new_slot(SENABLE_SIG, &selection_menu_button::enable, this);
new_slot(DISABLE_SIG, &selection_menu_button::disable, this);
}
//------------------------------------------------------------------------------
void selection_menu_button::configuring()
{
this->initialize();
const auto& config = this->get_config();
m_text = config.get<std::string>("text", m_text);
m_tool_tip = config.get<std::string>("toolTip", m_tool_tip);
m_selection = config.get<int>("selected", m_selection);
const auto& items = config.get_child("items");
for(const auto& elem : boost::make_iterator_range(items.equal_range("item")))
{
const auto txt = elem.second.get<std::string>("<xmlattr>.text");
const int value = elem.second.get<int>("<xmlattr>.value");
m_items.emplace_back(value, txt);
}
}
//------------------------------------------------------------------------------
void selection_menu_button::starting()
{
this->create();
auto qt_container = std::dynamic_pointer_cast<sight::ui::qt::container::widget>(this->get_container());
m_drop_down_button = new QPushButton(QString::fromStdString(m_text));
m_drop_down_button->setToolTip(QString::fromStdString(m_tool_tip));
// m_dropDownButton->setMaximumWidth(40);
m_p_drop_down_menu = new QMenu();
m_action_group = new QActionGroup(m_p_drop_down_menu);
for(const auto& item : m_items)
{
auto* action = new QAction(QString::fromStdString(item.second), m_p_drop_down_menu);
action->setCheckable(true);
action->setData(QVariant(item.first));
m_action_group->addAction(action);
m_p_drop_down_menu->addAction(action);
if(item.first == m_selection)
{
action->setChecked(true);
}
}
QObject::connect(m_action_group, &QActionGroup::triggered, this, &self_t::on_selection);
m_drop_down_button->setMenu(m_p_drop_down_menu);
auto* v_layout = new QVBoxLayout();
v_layout->addWidget(m_drop_down_button);
v_layout->setContentsMargins(0, 0, 0, 0);
qt_container->set_layout(v_layout);
}
//------------------------------------------------------------------------------
void selection_menu_button::stopping()
{
QObject::disconnect(m_action_group, &QActionGroup::triggered, this, &self_t::on_selection);
for(QAction* action : m_action_group->actions())
{
m_action_group->removeAction(action);
}
this->destroy();
}
//------------------------------------------------------------------------------
void selection_menu_button::updating()
{
}
//------------------------------------------------------------------------------
void selection_menu_button::info(std::ostream& /*_sstream*/)
{
}
//------------------------------------------------------------------------------
void selection_menu_button::on_selection(QAction* _action)
{
if(_action->isChecked())
{
int value = _action->data().toInt();
m_sig_selected->async_emit(value);
return;
}
}
//------------------------------------------------------------------------------
void selection_menu_button::set_enabled(bool _enabled)
{
m_drop_down_button->setEnabled(_enabled);
}
//------------------------------------------------------------------------------
void selection_menu_button::enable()
{
this->set_enabled(true);
}
//------------------------------------------------------------------------------
void selection_menu_button::disable()
{
this->set_enabled(false);
}
//------------------------------------------------------------------------------
} // namespace sight::module::ui::qt
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