/*
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/>.
*/
#pragma once
#include <QThread>
#include "common/textconst.h"
#include "dialogs/waitbox.h"
#include "qobjects/threadworker.h"
class SlowNonGuiFunctionCaller : public QObject
{
// Executes a function in blocking fashion, but in a separate thread,
// while displaying an infinite-wait (uncertain-wait) progress dialogue
// from the calling thread. (This class creates and manages the worker
// thread.)
//
// Must be created from the GUI thread.
//
// When the constructor has finished, the work is done.
//
// DO NOT PERFORM GUI OPERATIONS IN THE WORKER FUNCTION.
Q_OBJECT
public:
SlowNonGuiFunctionCaller(const ThreadWorker::PlainWorkerFunction& func,
QWidget* parent,
const QString& text = "Operation in progress...",
const QString& title = TextConst::pleaseWait());
~SlowNonGuiFunctionCaller();
protected:
QThread m_worker_thread;
ThreadWorker* m_worker;
WaitBox m_waitbox;
};