wjakob/nanogui
Nanogui
nanogui is a native C++ toolkit for rendering interactive user interface components directly within an OpenGL graphics context. It functions as a cross-platform widget library and immediate-mode framework used to create windows, buttons, sliders, and input fields.
The toolkit provides specialized capabilities for building technical interfaces, including real-time parameter control panels and custom tooling for graphics-heavy software. It ensures visual consistency across different operating systems and screen resolutions through DPI-aware coordinate scaling.
The framework includes a constraint-based layout engine for automatic widget positioning and a composite-based hierarchy for organizing interface elements. User interactions are managed via stateful input processing and callback-driven event handling to map graphical inputs to application logic.
Features
- OpenGL Canvas Rendering - Renders all 2D user interface components directly via GPU-accelerated OpenGL draw calls.
- Graphics and OpenGL - Acts as a specialized library for integrating interactive windows and GUI elements into OpenGL environments.
- OpenGL UI Tooling - Enables the creation of functional interfaces to manage state and trigger logic within OpenGL graphics projects.
- Automatic Layout Engines - Features an automatic layout engine that positions and sizes elements based on defined constraints.
- Composition Hierarchies - Provides a composite-based hierarchy for organizing UI elements in a parent-child tree structure.
- Constraint Layout Engines - Includes a constraint-based layout engine to automatically calculate widget positions and dimensions.
- Cross-Platform GUI Toolkits - Provides a cross-platform toolkit for rendering windows and widgets consistently across various operating systems.
- Cross-Platform UI Frameworks - Provides a consistent set of widgets and windows that function across different operating systems.
- Cross-Platform UI Toolkits - Ships a comprehensive set of reusable UI components and layout tools that work across multiple platforms.
- Immediate Mode GUI Frameworks - Implements an immediate-mode paradigm for building variable controls and settings interfaces.
- Real-Time Variable Controllers - Offers interactive panels with sliders and buttons for real-time manipulation of application variables.
- Widget Interaction State Tracking - Tracks widget interaction status to distinguish between continuous movements and discrete clicks.
- Event-Driven Callbacks - Implements an event-driven system where registered function pointers execute application logic in response to user interactions.
- Interaction State Management - Provides mechanisms to synchronize user interaction events with UI visual updates through stateful callbacks.
- DPI Scaling - Supports DPI-aware coordinate scaling to maintain consistent visual dimensions across different screen resolutions.
- Interactive Widgets - Allows building interactive interfaces using a variety of built-in input types and windowing components.
- Widget Event Callbacks - Supports registering callback functions that trigger specific application logic upon widget interaction.
- Graphical User Interface - Minimalist widget library for OpenGL applications.
- Graphical User Interfaces - Minimalist cross-platform widget library for OpenGL.
Star history
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