Qt Designer really revolutionized the way we design program GUIs. Not only does it include all the common widgets but it also has handy stuff like the layout and spacer, which makes our program run perfectly fine on different types of monitors and screen sizes. Also, notice that we have successfully created a working application with a beautiful user interface without writing a single line of C++ code!
What we've learned in this chapter merely scratches the surface of Qt, as there are many more features that we are yet to cover! Join us in the next chapter to learn how we can make our program truly functional!