Adding items into List Widget

Although you can add items to the List Widget item manually through Property Editor, sometimes you need to add items to the List Widget item dynamically through code. Let's create an application that explains the process of adding items to List Widget.

In this application, you will use Label, Line Edit, Push Button, and List Widget. The List Widget item will be empty initially, and the user is asked to enter desired food items into Line Edit and select an Add to List button. The entered food item will then be added to the List Widget item. All subsequent food items will be added below the previous entry.

How to do it...

Perform the following steps to know how items can be added to the List Widget item:

1. We will begin by creating a new application based on the Dialog without Buttons template and dragging and dropping Label, Line Edit, Push Button, and List Widget onto the form.
2. Set the text property of the Label and Push Button widgets to Your favourite food item and...