Utility.cpp]

#include "utility.h"

Utility::Utility()
{

}

QString Utility::statusBatteryLaptop()
{
    std::ifstream myFile("/sys/class/power_supply/BAT0/capacity");

       QString line ;
       if(myFile.is_open())
       {
           std::string str;
           while (getline(myFile,str) )
           {
               line = QString::fromLocal8Bit(str.c_str());
           }
              myFile.close();
       }
       else
       {
           qDebug() << "Unable to open file";
       }


   return line;
}