GitHub - ambystechcom/Ambystech.Elaris.UI: A lightweight Terminal UI library for .NET with true 24-bit RGB color support. Built for modern terminals with cross-platform support.

A lightweight Terminal UI library for .NET with true 24-bit RGB color support. Built for modern terminals with cross-platform support.

Features

True 24-bit RGB Color: Full truecolor support via ANSI escape sequences
Zero Dependencies: Pure .NET implementation with no external packages
Cross-Platform: Works on Windows, macOS, and Linux
Modern Architecture: Clean, extensible widget-based design
High Performance: Double-buffered rendering with minimal overhead
Multi-Target: Supports .NET 8.0, .NET 9.0, and .NET 10.0

Quick Start

Installation

dotnet add package Ambystech.Elaris.UI

Basic Usage

using Ambystech.Elaris.UI;

// Create application
var app = new Application();

// Create main window
var window = new Window("Hello Elaris")
{
    Width = 80,
    Height = 24
};

// Add widgets
var label = new Label("Welcome to Elaris!")
{
    ForegroundColor = Color.FromRgb(100, 200, 255)
};
window.Add(label);

// Run application
app.Run(window);

Cross Platform Compatibility

Elaris.UI is designed to work seamlessly across Windows, macOS, and Linux terminals that support ANSI escape codes. Ensure your terminal supports truecolor for the best experience.

Windows Terminal

iTerm2 (macOS)

Building from Source

# Clone repository
git clone https://github.com/ambystechcom/Ambystech.Elaris.UI.git elaris
cd elaris/lib

# Restore dependencies
dotnet restore

# Build library
dotnet build

# Run tests
dotnet test

Architecture

Core Components

Screen: Terminal screen abstraction with buffering
Widget: Base class for all UI components
EventLoop: Main application loop and event handling
AnsiRenderer: 24-bit RGB color rendering via ANSI codes
InputHandler: Keyboard and mouse input processing

Widget Hierarchy

Widget (abstract base)
├── Container
│   ├── Window
│   ├── Frame
│   └── Panel
├── Label
├── TextField
├── TextView
└── StatusBar

License

MIT License - see LICENSE file for details

Contributing

Contributions welcome! Please open an issue or PR on GitHub.