/*
Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
Created by Rudolf Cardinal (rnc1001@cam.ac.uk).
This file is part of CamCOPS.
CamCOPS is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CamCOPS 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with CamCOPS. If not, see <https://www.gnu.org/licenses/>.
*/
#include "slownonguifunctioncaller.h"
#include "dialogs/waitbox.h"
SlowNonGuiFunctionCaller::SlowNonGuiFunctionCaller(
const ThreadWorker::PlainWorkerFunction& func,
QWidget* parent,
const QString& text,
const QString& title) :
m_worker(new ThreadWorker(func)),
m_waitbox(parent, text, title)
{
m_worker->moveToThread(&m_worker_thread);
connect(&m_worker_thread, &QThread::started, // 1
m_worker, &ThreadWorker::work); // 2
connect(m_worker, &ThreadWorker::workComplete, // 3
&m_waitbox, &WaitBox::accept); // 4
connect(&m_worker_thread, &QThread::finished, // 5
m_worker, &QObject::deleteLater); // 6
m_worker_thread.start();
m_waitbox.exec(); // blocks until its accept()/reject() called (e.g. 4)
}
SlowNonGuiFunctionCaller::~SlowNonGuiFunctionCaller()
{
m_worker_thread.quit();
m_worker_thread.wait();
// Note that deletion of m_worker is accomplished by the signal to its
// deleteLater() operation, set up in the constructor above.
}