void MainWindow::ontime()
{
    if (Timer_Count == 5)                   // check for new day
    {
        date_today = QDate::currentDate();  // get today date
        day = date_today.day();             // refresh day
        month = date_today.month();         // refresh month
        year = date_today.year();           // refresh year
        int cl_day;        int cl_month;        int cl_year;
        cl_day = date_opened.day();         // get day on which program has started
        cl_month = date_opened.month();
        cl_year = date_opened.year();
        if (cl_day != day)                  // if new day reset today.db
        {                                     // and save it to /daily
            dump = chdir(workdir.toAscii());
            QString newfilename;
            newfilename = date_to_name(cl_year,cl_month,cl_day);            // get new daily filename
            dump = system("cp today.db " + dailydir.toAscii() + newfilename.toAscii());    // save to daily
            dump = system("rm today.db");                                  // remove today.db
            today_db.open(QIODevice::Text | QIODevice::ReadWrite);  // recreates the file
            create_today_db();
            date_opened.setDate(year,month,day);    // reset to be opened now
        }
        inifile->beginGroup("Settings");                // anti crash safeguard
            inifile->setValue("closing_day",day);       // save day
            inifile->setValue("closing_month",month);   // save month
            inifile->setValue("closing_year",year);     // save year
        inifile->endGroup();
        inifile->sync();                                // save inifile
        timer_count2 = 0;                               // reset timer
    }

    AppName = get_process_name();       // get name of focused process
    PrevApp = CurApp;                   // sets previous application
    CurApp = AppName;                   // sets current application name

    PrevTime = CurTime ;                // saves time
    CurTime = CurTime + (timer_delay / 1000);      // advances time

    if (CurApp != PrevApp)      // if new app then save it with half time
        save_app(CurApp,CurTime / 2);
    else save_app(CurApp,CurTime);  // else save with full time

    if (Timer_Count == 20)                           // save to disk
        {
            Timer_Count = 0;                        // new timer cycle
            save_today_db();                        // save db
        }

    if (CurApp != PrevApp)                          // if new app then
        {                                           // save with half the timer_delay time
            save_app(PrevApp,(PrevTime + ( (timer_delay / 1000) / 2 )));
        }

    if ((MainWindow::isHidden() == false) && (visible_check == true))
        // if MainWindow is not hidden and today tab is focused then
            fill_today_table(today);                // update table

    Timer_Count++;
    timer_count2++;
    save_today_db();
    app_name_bar->setText(AppName);                 // set app name
}

void MainWindow::trayClicked(QSystemTrayIcon::ActivationReason reason)
{
    if (reason == QSystemTrayIcon::Trigger)     // if tray clicked
        {
            if (MainWindow::isHidden() == true) // if hidden
                MainWindow::show();             // show
            else                                // else
                MainWindow::hide();             // hide
        }
    fill_today_table(today);
}

int MainWindow::save_app(QString application,int app_time)
{
    int time_buff;                      // modify time buffer
    CurTime = 0;                        // reset the timer
    if (CurApp == PrevApp)              // cpu load minimizer
    {
        time_buff = get_time(today,application);  // get saved time
        time_buff = time_buff + app_time;         // add saved time
        modify(today,application,time_buff);      // modify time
        return 1;
    }
    if (exists(today,application))      // if the app exists
    {
        time_buff = get_time(today,application);  // get saved time
        time_buff = time_buff + app_time;         // add saved time
        modify(today,application,time_buff);      // modify time
    }
    else                                    // else insert new line
    {
        root.appendChild(ins(today,application,app_time));
    }
    return 0;
}