ratatui-org/ratatui
Ratatui
Ratatui is a terminal rendering engine and library for the Rust language used to build interactive text-based user interfaces. It provides a framework for creating command-line dashboards and visual applications by rendering widgets and layouts directly to a terminal screen.
The project utilizes a backend-agnostic interface to decouple UI logic from terminal drivers and employs a constraint-based layout engine to divide screen space into nested rectangular areas. It manages rendering through an immediate-mode drawing loop and a buffer-based system to minimize screen flicker.
The library supports event-driven input handling for keyboard and mouse interactions and implements a stateful widget pattern to maintain internal data across render cycles. These capabilities enable the development of real-time terminal monitoring tools and complex command-line visualizations.
Features
- Text-User Interface Rendering - Renders interactive text-based user interfaces using a specialized system of widgets and layouts.
- Terminal User Interface Frameworks - Provides a comprehensive framework for building interactive text-based interfaces within command-line environments.
- Rust TUI Frameworks - Provides a specialized framework for building rich terminal user interfaces specifically using the Rust language.
- Constraint Layout Engines - Provides a constraint-based layout engine to recursively divide screen space into nested rectangular areas for widgets.
- Event-Driven Input Handlers - Processes keyboard and mouse inputs through event-driven mechanisms to trigger interface updates and redraws.
- Immediate Mode Frameworks - Employs an immediate-mode drawing loop that rebuilds the entire user interface on every frame based on application state.
- Terminal Rendering Engines - Acts as a terminal rendering engine that maps application state to visual interfaces with automatic redraw management.
- Terminal User Interfaces - Provides a set of widgets and tools to build complex, interactive terminal-based applications.
- Real-Time Metric Visualization - Facilitates the development of live-updating terminal interfaces for visualizing system metrics and logs.
- Terminal Frame Buffers - Uses an in-memory buffer to stage UI elements before rendering them to the terminal to prevent screen flicker.
- CLI Dashboards - Enables the creation of visual layouts and data dashboards for CLI tools to improve information readability.
- Terminal Interface Design - Implements design patterns for creating structured and responsive user interfaces within terminal environments.
- Terminal-Agnostic Renderers - Implements a terminal-agnostic rendering interface that decouples UI logic from specific terminal drivers.
- Stateful Widget Patterns - Implements a stateful widget pattern to track user interaction and focus across multiple rendering cycles.
- Application Frameworks - Library for creating interactive terminal user interfaces.
Star history
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