#ifndef XSTEAM_UPDATE_UI_H
#define XSTEAM_UPDATE_UI_H

#include <QDialog>
#include <QMutex>
#include <QMutexLocker>
#include <QVBoxLayout>
#include <QTextEdit>
#include <QFile>
#include <QIODevice>
#include <QLabel>
#include <version.h>

class xsteam_update_ui :public QDialog{
   Q_OBJECT
public:
    static xsteam_update_ui *Instance()
    {
        if (!_instance)
        {
            static QMutex mutex;
            mutex.lock();
            if (!_instance)
            {
                _instance = new xsteam_update_ui();
            }
            mutex.unlock();
        }
        return _instance;
    }    
private:
    xsteam_update_ui();
    ~xsteam_update_ui();
    xsteam_update_ui(const xsteam_update_ui &other);
    const xsteam_update_ui &operator=(const xsteam_update_ui &other);
    static xsteam_update_ui* _instance;
    static QMutex mutex;
    QVBoxLayout* m_Layout={};
    QHBoxLayout* f_Layout={};
    QTextEdit* info={};
    void load_about();
    QLabel* copyright_tips_txt;
    QSpacerItem * sparcer_item = new QSpacerItem(0,0,QSizePolicy::Expanding,QSizePolicy::Fixed);
};
xsteam_update_ui *xsteam_update_ui::_instance = {};
QMutex xsteam_update_ui::mutex;

#endif // XSTEAM_UPDATE_UI_H