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Building Cross-Platform GUI Applications with Fyne

You're reading from  Building Cross-Platform GUI Applications with Fyne

Product type Book
Published in Jan 2021
Publisher Packt
ISBN-13 9781800563162
Pages 318 pages
Edition 1st Edition
Languages
Author (1):
Andrew Williams Andrew Williams
Profile icon Andrew Williams

Table of Contents (18) Chapters

Preface 1. Section 1: Why Fyne? The Reason for Being and a Vision of the Future
2. Chapter 1: A Brief History of GUI Toolkits and Cross-Platform Development 3. Chapter 2: The Future According to Fyne 4. Section 2: Components of a Fyne App
5. Chapter 3: Window, Canvas, and Drawing 6. Chapter 4: Layout and File Handling 7. Chapter 5: Widget Library and Themes 8. Chapter 6: Data Binding and Storage 9. Chapter 7: Building Custom Widgets and Themes 10. Section 3: Packaging and Distribution
11. Chapter 8: Project Structure and Best Practices 12. Chapter 9: Bundling Resources and Preparing for Release 13. Chapter 10: Distribution – App Stores and Beyond 14. Other Books You May Enjoy Appendix A: Developer Tool Installation 1. Appendix B: Installing Mobile Build Tools 2. Appendix C: Cross-Compiling

Adapting data types for display

In the example we worked through in the previous section, we learned that it's possible to bind the same value to different widgets since both Slider and ProgressBar expect a Float value for their data. However, it is not always the case that these data types will align perfectly. Sometimes, we will need to perform conversions to connect to the widgets we wish to use. In this section, we will explore how to do so, starting with how we can include a label in the preceding example.

Formatting types into strings

In many applications, it is common to use a Label or other string-based display to contain information in another format, such as an int or float64. With data bindings, this is no different, so the binding package provides conversion functions that can make this adaptation easy.

To follow on from the previous example, we could include a Label that displays the float64 value, but to do so, we would need a String binding rather than...

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