QT : How To Save Path Once item is selected and button is pressed QListWidget

[elfenliedtopfan5]

Good Morning, Evening

I am trying to get to terms with QT i am new so sorry if i ask stupid questions,

however what i am tying to accomplish i have got directory listing all the folders in a certain directory,

however once i have selected a i item i want to save i cant seem to do this as i not quite sure how to create a signal and slot for a button press and item select,

this is the code i do have so far.
.H

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QListWidget>
#include <QListWidgetItem>

QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; class MyWidget; }
QT_END_NAMESPACE

class MyWidget : public QWidget
{
Q_OBJECT
MyWidget(QWidget *parent = 0);

private slots:
void itemClicked(QListWidgetItem *item);

void on_pushButton_2_clicked();

private:
QListWidget *m_myListWidget;
Ui::MainWindow *ui;

};

class MainWindow : public QMainWindow
{
Q_OBJECT

public:
MainWindow(QWidget *parent = nullptr);
~MainWindow();



private slots:
void on_pushButton_clicked();

void on_pushButton_2_clicked();

void OnItemSelected( QListWidgetItem* item );
public:
Ui::MainWindow *ui;




public:
void Pathref();
void elfentestme();
};
#endif // MAINWINDOW_H

CPP

MyWidget::MyWidget(QWidget *parent)
: QWidget(parent)
{
m_myListWidget = new QListWidget(this);
connect(ui->listWidget, SIGNAL(itemClicked(QListWidgetItem *)), SLOT(itemClicked (QListWidgetItem *)));
}

void MyWidget::itemClicked(QListWidgetItem *item)
{
if (!item)
return;
QMessageBox::information(this,"",m_myListWidget->row(item) + item->text());
}


but cant seem to link button at all i looked up tutorials on YouTube and on QT Help

but cant seem to get this to work trying to select a item and then i have a button that says save and pressing that i want to save the full dir path
but for some reason it does nothing,

and am still using the mainwindow.h
and cpp

because i cant seem to get the ui reference on my own cpp and h files.