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/************************************************************************
*
* Copyright (C) 2009-2023 IRCAD France
* Copyright (C) 2012-2015 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 "ui/qt/dialog/pulse_progress.hpp"
#include <core/base.hpp>
#include <ui/__/macros.hpp>
#include <QApplication>
#include <QFutureWatcher>
#include <QPushButton>
#include <QString>
#include <QtConcurrent>
#include <QtCore>
namespace sight::ui::qt::dialog
{
//------------------------------------------------------------------------------
pulse_progress::pulse_progress() :
m_dialog(new QProgressDialog(qApp->activeWindow()))
{
}
//------------------------------------------------------------------------------
pulse_progress::~pulse_progress()
{
if(m_dialog != nullptr)
{
m_dialog->hide();
delete m_dialog;
}
}
//------------------------------------------------------------------------------
void pulse_progress::set_title(const std::string& _title)
{
m_dialog->setWindowTitle(QString::fromStdString(_title));
}
//------------------------------------------------------------------------------
void pulse_progress::set_message(const std::string& _msg)
{
m_dialog->setLabelText(QString::fromStdString(_msg));
}
//------------------------------------------------------------------------------
void pulse_progress::set_cancellable(bool _cancellable)
{
if(!_cancellable)
{
m_dialog->setCancelButton(nullptr);
}
else if(!m_cancellable)
{
m_dialog->setCancelButton(new QPushButton("Cancel", m_dialog));
}
m_cancellable = _cancellable;
}
//------------------------------------------------------------------------------
void pulse_progress::show()
{
// Create a QFutureWatcher and connect signals and slots.
QFutureWatcher<void> future_watcher;
QObject::connect(&future_watcher, SIGNAL(finished()), m_dialog, SLOT(reset()));
QObject::connect(&future_watcher, SIGNAL(progressRangeChanged(int,int)), m_dialog, SLOT(setRange(int,int)));
QObject::connect(&future_watcher, SIGNAL(progressValueChanged(int)), m_dialog, SLOT(setValue(int)));
if(m_cancellable)
{
QObject::connect(m_dialog, SIGNAL(canceled()), &future_watcher, SLOT(cancel()));
}
// Start the computation.
future_watcher.setFuture(QtConcurrent::run(m_stuff));
m_dialog->exec();
}
//------------------------------------------------------------------------------
} // namespace sight::ui::qt::dialog
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