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  • Hands-On GUI Application Development in Go
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Hands-On GUI Application Development in Go

Hands-On GUI Application Development in Go

By : Andrew Williams
5 (1)
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Hands-On GUI Application Development in Go

Hands-On GUI Application Development in Go

5 (1)
By: Andrew Williams

Overview of this book

Go is often compared to C++ when it comes to low-level programming and implementations that require faster processing, such as Graphical User Interfaces (GUIs). In fact, many claim that Go is superior to C++ in terms of its concurrency and ease of use. Most graphical application toolkits, though, are still written using C or C++, and so they don't enjoy the benefits of using a modern programming language such as Go. This guide to programming GUIs with Go 1.11 explores the various toolkits available, including UI, Walk, Shiny, and Fyne. The book compares the vision behind each project to help you pick the right approach for your project. Each framework is described in detail, outlining how you can build performant applications that users will love. To aid you further in creating applications using these emerging technologies, you'll be able to easily refer to code samples and screenshots featured in the book. In addition to toolkit-specific discussions, you'll cover more complex topics, such as how to structure growing graphical applications, and how cross-platform applications can integrate with each desktop operating system to create a seamless user experience. By delving into techniques and best practices for organizing and scaling Go-based graphical applications, you'll also glimpse Go's impressive concurrency system. In the concluding chapters, you'll discover how to distribute to the main desktop marketplaces and distribution channels. By the end of this book, you'll be a confident GUI developer who can use the Go language to boost the performance of your applications.
Table of Contents (24 chapters)
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Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Section 1: Graphical User Interface Development
Section 1: Graphical User Interface Development
2
The Benefits of Native Graphical Applications
The Benefits of Native Graphical Applications
Return of the graphical application
Native performance
Integrated user experience
Reliability and offline functionality
Maintainability and testing
Summary
3
Graphical User Interface Challenges
Graphical User Interface Challenges
Standard look and feel or app theme
GUIs and visual hierarchy
Concurrency and multi-threading
Web services and cloud integration
Developing for multiple platforms
Packaging and distribution
Summary
4
Go to the Rescue!
Go to the Rescue!
Introduction
Cross-platform for any application
Concurrency in language design
Web services included as standard
Choosing your look and feel
Summary
5
Section 2: Toolkits Using Existing Widgets
Section 2: Toolkits Using Existing Widgets
6
Walk - Building Graphical Windows Applications
Walk - Building Graphical Windows Applications
Background and aims
Get started with walk
Benefits of a declarative API
Building a user interface
Walk in a cross-platform application
Summary
7
andlabs UI - Cross-platform Native UIs
andlabs UI - Cross-platform Native UIs
Background and history
Getting started with andlabs UI
Generic API for multiple platforms
Building a user interface
Challenges with multiple native GUIs
Summary
8
Go-GTK - Multiple Platforms with GTK
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Go-GTK - Multiple Platforms with GTK
GTK+ background
Getting started with Go-GTK
Signals and namespaces
Sample application
Theming
Summary
9
Go-Qt - Multiple Platforms with Qt
Go-Qt - Multiple Platforms with Qt
Qt background
Getting started with therecipe/qt
Object model and event handling
Sample application
Theming
Summary
10
Section 3: Modern Graphical Toolkits
Section 3: Modern Graphical Toolkits
11
Shiny - Experimental Go GUI API
Shiny - Experimental Go GUI API
Background and the vision for Shiny
Design and supported platforms
Getting started with Shiny
Widgets and material design
Getting started continued
Building a user interface
Summary
12
nk - Nuklear for Go
nk - Nuklear for Go
Background and design of Nuklear
Rendering and platform support
Getting started with nk
Widgets, layout, and skinning
Building a user interface
Summary
13
Fyne - Material Design-Based GUI
Fyne - Material Design-Based GUI
Background and vision for Fyne
Getting started with Fyne
Rendering and vector graphics
Canvas, widgets, and layouts
Building a user interface
Building an image viewer
Summary
14
Section 4: Growing and Distributing Your Application
Section 4: Growing and Distributing Your Application
15
Navigation and Multiple Windows
Navigation and Multiple Windows
Planning application layout
Navigating your application
Window types and keeping things clean
Notifications and task status
Platform-specific considerations
Summary
16
Concurrency, Networking, and Cloud Services
Concurrency, Networking, and Cloud Services
Concurrency, threads, and GUI updates
Network resources and caching
Connecting to cloud services
Consistent user experience when offline
Summary
17
Best Practices in Go GUI Development
Best Practices in Go GUI Development
Separation of concerns
Test-driving UI development
Continuous integration for GUIs
Managing platform specifics
Summary
18
Distributing Your Application
Distributing Your Application
Metadata and icons
Bundling assets
Building a release
Distributing to platform marketplaces
Summary
19
Installation Details
Installation Details
Installing Go
Setting up Cgo
20
Cross Compiler Setup
Cross Compiler Setup
Cross compiling for macOS with CGo
Cross compiling for Windows with CGo
Cross compiling for Linux with CGo
21
Comparison of GUI Toolkits
Comparison of GUI Toolkits
22
Connecting GoMail to a Real Email Server
Connecting GoMail to a Real Email Server
Download Gmail credentials
Creating a server provider
Updating an example to use Gmail
23
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Go-GTK - Multiple Platforms with GTK

We've explored toolkits that connect directly to an operating system's native widget set (Walk for Windows only and andlabs UI for Windows, macOS, and Linux) in Chapter 4, Walk - Building Graphical Windows Applications, and Chapter 5, andlabs UI - Cross-platform Native UIs. In this chapter and the next (Chapter 7, Go-Qt - Multiple Platforms with Qt), we'll look at widget toolkits that were designed to look similar to traditional native widgets while being built for multi-platform distribution. In each chapter, we'll work with a popular Go binding that provides access to most of the functionality of the underlying API.

In this chapter, we'll explore Go-GTK, the most popular Go binding to the GTK+ widget library. We'll cover the following:

  • GTK+ background
  • Getting started with Go-GTK
  • Signals and namespaces
  • Sample...
End of Section 1
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