Qt5 C++ GUI Programming Cookbook

Currency conversion

In this example, we will learn how to create a simple currency converter using Qt, with the help of an external service provider called Fixer.io.

How to do it…

Make yourself a currency converter with these simple steps:

1. We start by opening Qt Creator and creating a new Qt Widgets Application project from File | New File or Project.
2. Next, open up the project file (.pro) and add the network module to our project:

   QT += core gui network

3. After that, open up mainwindow.ui and remove the menu bar, tool bar, and status bar from the UI.
4. Then, add three horizontal layouts, a horizontal line, and a push button to the canvas. Once they're all placed, left-click on the canvas and follow by clicking the Lay Out Vertically button above the canvas. ...