PDF4QT/Pdf4QtLib/sources/pdfprogress.h

64 lines
1.7 KiB
C++

// Copyright (C) 2019-2021 Jakub Melka
//
// This file is part of PDF4QT.
//
// PDF4QT 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
// with the written consent of the copyright owner, any later version.
//
// PDF4QT 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 PDF4QT. If not, see <https://www.gnu.org/licenses/>.
#ifndef PDFPROGRESS_H
#define PDFPROGRESS_H
#include "pdfglobal.h"
#include <QObject>
#include <atomic>
namespace pdf
{
struct ProgressStartupInfo
{
bool showDialog = false;
QString text;
};
class PDF4QTLIBSHARED_EXPORT PDFProgress : public QObject
{
Q_OBJECT
public:
explicit PDFProgress(QObject* parent);
void start(size_t stepCount, ProgressStartupInfo startupInfo);
void step();
void finish();
signals:
// Namespace pdf:: must be here, due to queued signals calling
void progressStarted(pdf::ProgressStartupInfo info);
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
Q_DECLARE_METATYPE(pdf::ProgressStartupInfo)
#endif // PDFPROGRESS_H