How does therecipe/qt compare to using Qt with C++ directly?

therecipe/qt lets you use Qt with Go and other languages, avoiding C++ but adding a binding layer that might slow performance. It's ideal for Go-centric teams, while C++ Qt is better for raw speed and latest features.

How to deploy a therecipe/qt app to Android with Docker?

Use the Docker deployment support listed in the targets table: ensure Qt is configured, then run the appropriate commands from the wiki. This simplifies cross-compilation but requires Docker setup on your host.

Can I use therecipe/qt with Go modules instead of GOPATH?

The installation instructions require GO111MODULE=off, suggesting limited support for Go modules. You may need to adapt or use GOPATH, which could be inconvenient for modern Go workflows.

What are the licensing issues with therecipe/qt for commercial apps?

therecipe/qt is LGPLv3, but Qt itself has multiple licenses. You must ensure compliance with Qt's licensing terms, which may involve open-source requirements or commercial fees for proprietary use.

How to debug therecipe/qt applications on multiple platforms?

Debugging relies on Qt's tools and the binding's integration; use platform-specific debuggers and refer to the wiki for tips. Docker deployment can aid consistency but adds complexity to the debugging process.

Is therecipe/qt good for web apps via WebAssembly?

Yes, it supports WebAssembly targets, allowing Qt apps to run in browsers. However, performance may be lower than native, and you'll need to handle web-specific limitations like UI responsiveness.

Open-Awesome

qt

LGPL-3.0Go

A Qt binding for Go that enables writing cross-platform GUI applications in Go, JavaScript, Dart, Haxe, and Swift.

GitHub

10.8k stars749 forks0 contributors

What is qt?

therecipe/qt is a comprehensive Qt binding for the Go programming language that enables developers to create fully-featured, cross-platform Qt applications entirely in Go. It also provides bindings for JavaScript/TypeScript, Dart/Flutter, Haxe, and Swift, while simplifying deployment across numerous software and hardware platforms.

Target Audience

Developers using Go, JavaScript/TypeScript, Dart/Flutter, Haxe, or Swift who need to build cross-platform GUI applications with Qt's capabilities, particularly those targeting diverse environments like desktop, mobile, embedded systems, and web.

Value Proposition

Developers choose therecipe/qt for its extensive language support beyond just Go, comprehensive access to Qt functions and classes, and streamlined deployment process using Docker for most platforms, reducing cross-platform development complexity.

Overview

Qt binding for Go (Golang) with support for Windows / macOS / Linux / FreeBSD / Android / iOS / Sailfish OS / Raspberry Pi / AsteroidOS / Ubuntu Touch / JavaScript / WebAssembly

Use Cases

Best For

Building Qt applications in Go without needing C++ expertise.
Developing cross-platform GUI applications that target Windows, macOS, Linux, Android, iOS, and embedded systems like Raspberry Pi from a single codebase.
Creating Qt applications in JavaScript/TypeScript, Dart/Flutter, Haxe, or Swift through its additional bindings.
Deploying Qt applications to multiple platforms using Docker for consistent builds.
Developing applications for niche platforms like Sailfish OS, Ubuntu Touch, AsteroidOS, or FreeBSD with Qt.
Building Qt applications that run in web browsers via JavaScript or WebAssembly targets.

Not Ideal For

Projects requiring immediate access to cutting-edge Qt features upon release
Teams with large existing C++ Qt codebases seeking minimal integration complexity
Applications where maximum runtime performance is critical and binding overhead is unacceptable
Developers targeting iOS or AsteroidOS without access to the required macOS or Linux hosts for deployment

Pros & Cons

Pros

Broad Platform Coverage

Supports deployment to over a dozen targets including desktop, mobile, embedded, and web platforms, as detailed in the comprehensive deployment table.

Multi-Language Bindings

Extends Qt development beyond C++ to Go, JavaScript, Dart, Haxe, and Swift, making Qt accessible to diverse developer communities.

Docker-Enabled Deployment

Most platforms support Docker-based deployment, streamlining cross-platform builds and ensuring consistency across environments.

Extensive Qt API Access

Provides access to almost all Qt functions and classes, enabling fully featured application development without significant gaps.

Cons

Complex Initial Setup

Installation requires manual steps like setting GO111MODULE=off and running multiple commands, which can be error-prone and daunting for newcomers.

Host OS Restrictions

iOS deployment is only possible from macOS, and AsteroidOS from Linux, limiting development flexibility for cross-platform teams.

Documentation Scatter

Users must navigate between wiki pages, Qt documentation, and community Slack, leading to a fragmented learning experience.

Binding Overhead Risks

As a language binding, it may introduce performance penalties or compatibility issues compared to native Qt C++, especially for resource-intensive applications.

Frequently Asked Questions

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