PDF4QT/PdfForQtLib/sources/pdfprogress.h

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1.4 KiB
C++

// Copyright (C) 2019 Jakub Melka
//
// This file is part of PdfForQt.
//
// PdfForQt 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.
//
// PdfForQt 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 PDFForQt. If not, see <https://www.gnu.org/licenses/>.
#ifndef PDFPROGRESS_H
#define PDFPROGRESS_H
#include "pdfglobal.h"
#include <QObject>
#include <atomic>
namespace pdf
{
class PDFFORQTLIBSHARED_EXPORT PDFProgress : public QObject
{
Q_OBJECT
public:
explicit PDFProgress(QObject* parent) : QObject(parent) { }
void start(size_t stepCount);
void step();
void finish();
signals:
void progressStarted();
void progressStep(int percentage);
void progressFinished();
private:
std::atomic<size_t> m_currentStep = 0;
std::atomic<size_t> m_stepCount = 0;
std::atomic<int> m_percentage = 0;
};
} // namespace pdf
#endif // PDFPROGRESS_H