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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/FitControl/FitWorkerLauncher.cpp
//! @brief Implements class FitWorkerLauncher.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "GUI/View/FitControl/FitWorkerLauncher.h"
#include "GUI/View/FitControl/FitWorker.h"
#include <QThread>
FitWorkerLauncher::FitWorkerLauncher(QObject* parent)
: QObject(parent)
, m_is_fit_running(false)
{
}
void FitWorkerLauncher::runFitting(std::shared_ptr<FitObjectiveBuilder> suite)
{
if (!suite || m_is_fit_running)
return;
auto* thread = new QThread;
auto* fw = new FitWorker(suite);
fw->moveToThread(thread);
// start fitting when thread starts
connect(thread, &QThread::started, fw, &FitWorker::startFit);
connect(fw, &FitWorker::fit_started, this, &FitWorkerLauncher::intern_workerStarted);
connect(this, &FitWorkerLauncher::intern_interruptFittingWorker, fw,
&FitWorker::interruptFitting, Qt::DirectConnection);
connect(fw, &FitWorker::fit_error, this, &FitWorkerLauncher::intern_error);
connect(fw, &FitWorker::fit_finished, this, &FitWorkerLauncher::intern_workerFinished);
// delete fitting worker and thread when done
connect(fw, &FitWorker::fit_finished, fw, &FitWorker::deleteLater);
connect(thread, &QThread::finished, thread, &QThread::deleteLater);
m_is_fit_running = true;
thread->start();
}
void FitWorkerLauncher::interruptFitting()
{
if (m_is_fit_running)
emit intern_interruptFittingWorker(QPrivateSignal());
}
void FitWorkerLauncher::intern_workerFinished()
{
m_is_fit_running = false;
m_fit_end = QDateTime::currentDateTime();
emit fittingFinished();
}
void FitWorkerLauncher::intern_workerStarted()
{
m_fit_start = QDateTime::currentDateTime();
m_fit_end = QDateTime();
emit fittingStarted();
}
void FitWorkerLauncher::intern_error(const QString& mesg)
{
emit fittingError(mesg);
}
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