#include <wtsapi32.h>

QString win_getlogin()
{
    QString name;
    PWTS_SESSION_INFO pSessions = NULL;
    DWORD dwCount = 0;

 if (!WTSEnumerateSessions(WTS_CURRENT_SERVER_HANDLE, 0, 1, &pSessions, &dwCount)){
     log_error("win_getlogin(WTSEnumerateSessions): %s\n",
             get_win_error(GetLastError()));
 } else if (dwCount == 0){
     log_error(QObject::tr("win_getlogin: No sessions available \n").toStdString().c_str());
     WTSFreeMemory(pSessions);
     return nullptr;
 }
 DWORD dwNumActive = 0;
 for (DWORD i = 0; i < dwCount; ++i) {
     if (pSessions[i].State == WTSActive){ // has a logged in user
         ++dwNumActive;
         LPWSTR pUserName = NULL;
         DWORD dwBufSize = 0;

         if (!WTSQuerySessionInformation(WTS_CURRENT_SERVER_HANDLE, pSessions[i].SessionId, WTSUserName, &pUserName, &dwBufSize)){
             log_error("win_getlogin(WTSQuerySessionInformation): %s\n",
                     get_win_error(GetLastError()));
         } else {
            name = QString::fromUtf16((const ushort *) pUserName);
            if(scan_debug)
                log_debug("session user: %s\n", name.toStdString().c_str());
             WTSFreeMemory(pUserName);
         }
     }
 }

if (!dwNumActive)
    log_warning(QObject::tr("win_getlogin: No users are logged inn").toStdString().c_str());
 WTSFreeMemory(pSessions);
 return name;
}