auto delete EditWindow at its closing

argento/MainWindow.cpp

@@ -64,8 +64,8 @@ void MainWindow::on_tableSoci_clicked(const QModelIndex& index) {
         int id = index.model()->data(index.siblingAtColumn(0)).toInt();
         if (id != 0) {    /* if click is not on other fields than id... */
             EditWindow* w = new EditWindow(id, this);
+            w->setAttribute(Qt::WA_DeleteOnClose);  /* delete window at the end */
             w->show();
-            // TODO -- free() this window at the end... maybe you can use a self Signal/Slot?
         }
 
     }