dialogwaiting.h

Go to the documentation of this file.

/*
        Copyright 2006-2019 The QElectroTech Team
        This file is part of QElectroTech.
        
        QElectroTech 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 2 of the License, or
        (at your option) any later version.
        
        QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef DIALOGWAITING_H
#define DIALOGWAITING_H

#include <QDialog>
#include <QMutex>

namespace Ui {
    class DialogWaiting;
}

class DialogWaiting : public QDialog
{
    Q_OBJECT
    public:
        static DialogWaiting* instance(QWidget *parent = nullptr)
        {
            static QMutex mutex;
            if(!m_static_dialog)
            {
                mutex.lock();
                if(!m_static_dialog)
                    m_static_dialog = new DialogWaiting(parent);
                mutex.unlock();
            }
            return m_static_dialog;
        }
        
        static bool hasInstance()
        {
            if(m_static_dialog == nullptr)
                return false;
            else
                return true;
        }
        
        static void dropInstance()
        {
            static QMutex mutex;
            if(m_static_dialog)
            {
                mutex.lock();
                m_static_dialog->deleteLater();
                m_static_dialog = nullptr;
                mutex.unlock();
            }
        }
    private:
        static DialogWaiting *m_static_dialog;
    

    public:
        explicit DialogWaiting(QWidget *parent = nullptr);
        ~DialogWaiting() override;
    
        void setProgressBar(int val);
        void setProgressBarRange(int min, int max);
        void setProgressReset();
        void setTitle(const QString& val);
        void setDetail(const QString& val);
        int progressBarValue() const;
    
    private:
        Ui::DialogWaiting *ui;
};

#endif // DIALOGWAITING_H