Display and update variable's value in a label.

[SalahuddinAsh]

Hi all,

I'm a newbie in QT. I've developed a project in vim. Now I want to display what I used to display in a terminal in a user-friendly way in a GUI.
Simply, I have a set of variables which I need to display in labels in the GUI. I also have couple of variables, whose values should control what should be displayed in the labels.
I knew that the best way to do this is using signals and slots, right?
Unfortunately, most of the signals and slots examples describe how to connect a slider with a progress bar, or a button with a label. But I need to know how to display a variable in my main project in a GUI?
Following is a sample code I can run successfully, and I want to display the variable distance in a label.

#include <QApplication>
#include "mainwindow.h"
 
int main(int argc, char *argv[])
{
    int distance = 4;
    distance++;
 
    QApplication a(argc, argv);
    MainWindow w;
    w.setName("Guided");
    w.show();
 
    return a.exec();
}

#include <QApplication>
#include "mainwindow.h"

int main(int argc, char *argv[])
{
    int distance = 4;
    distance++;
    
    QApplication a(argc, argv);
    MainWindow w;
    w.setName("Guided");
    w.show();

    return a.exec();
}

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Thanks