How do I install and run DlangUI on Linux?

Clone the repository, install dependencies like libsdl2-dev via apt, then use dub to build and run examples from the example1 directory. The README provides specific commands for Ubuntu.

Is DlangUI or GtkD better for GUI development in D?

DlangUI offers an Android-inspired API and optional OpenGL acceleration, which may appeal to those with mobile experience. GtkD integrates better with GTK ecosystems and might have more mature documentation. Choose based on API familiarity and project needs.

How to create custom themes in DlangUI?

Define themes in XML files similar to Android, using style hierarchies and state substyles. You can load these from external directories or embed them, then apply via string IDs to widgets for visual customization.

Can DlangUI be used for iOS apps?

No, DlangUI only supports Windows, Linux, macOS, and Android. There's no mention of iOS support in the README, so it's not suitable for Apple's mobile platform.

What's the performance impact of using OpenGL in DlangUI?

The OpenGL backend accelerates rendering for smoother UIs, but it's optional; fallback to software rendering may impact performance on systems without OpenGL support. Benchmark based on your target hardware.

How to handle events and user input in DlangUI?

Use the Android-like widget API with callbacks or event handlers, similar to Android's View system. Refer to the Wiki for examples on setting up listeners for clicks, key presses, and other interactions.

Open-Awesome

DLangUI

BSL-1.0Dv0.10.8

A cross-platform GUI toolkit for the D programming language, featuring widgets, layouts, themes, and OpenGL acceleration.

GitHub

863 stars125 forks0 contributors

What is DLangUI?

DlangUI is a cross-platform graphical user interface toolkit for the D programming language. It provides widgets, layouts, styles, and themes to build native desktop applications for Windows, Linux, macOS, and Android. The library solves the need for a modern, performant GUI framework in the D ecosystem.

Target Audience

D developers seeking to build desktop applications with native look and feel across multiple operating systems. It's particularly useful for those familiar with Android's UI patterns.

Value Proposition

Developers choose DlangUI for its Android-inspired API, which reduces the learning curve, and its optional OpenGL acceleration for high-performance rendering. As a native D solution, it integrates seamlessly with the language's toolchain and offers extensive theming and internationalization support.

Overview

Cross Platform GUI for D programming language

Use Cases

Best For

Building cross-platform desktop applications in D
Creating applications with Android-like UI patterns
Developing themable and stylized user interfaces
Integrating 3D graphics within a traditional GUI
Writing internationalized applications with Unicode support
Prototyping GUI applications quickly with a familiar API

Not Ideal For

Projects requiring robust, fully-tested macOS support for production applications
Applications needing multithreaded UI operations or high concurrency
Teams wanting a GUI framework with a large, active community and extensive third-party widgets
Developers seeking plug-and-play setup with minimal dependency management across platforms

Pros & Cons

Pros

Cross-Platform Consistency

Supports Windows, Linux, macOS, and Android with a single codebase, enabling consistent application behavior across operating systems as highlighted in the features.

Android-Inspired API

Uses layouts, styles, and a two-phase layout system similar to Android, reducing the learning curve for developers familiar with mobile UI patterns.

Customizable Theming

XML-based themes and styles allow deep visual customization, including state substyles and hierarchical inheritance, as described in the README.

Optional Hardware Acceleration

Provides an OpenGL backend for improved rendering performance, with fallback to software rendering when needed, enhancing flexibility for performance-critical applications.

Cons

Unreliable macOS Support

The README explicitly states that macOS support is theoretical and not guaranteed, making it risky for development on Apple platforms.

Single-Threaded UI Model

All UI operations must be performed in a single thread, limiting scalability and concurrency for applications requiring background processing or real-time updates.

Complex Build Dependencies

Requires manual installation of platform-specific libraries like SDL2 and FreeType, and frequent dub upgrades to resolve dependency issues, adding setup overhead.

Frequently Asked Questions

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