FaustSwiftUI

This is a SwiftUI-based dynamic UI renderer for Faust DSP JSON metadata. It parses the Faust UI JSON structure and displays corresponding SwiftUI controls like sliders, toggles, buttons, bargraphs etc.

Features

• ✅ JSON-driven layout
• ✅ Live binding via @ObservedObject with a FaustUIViewModel
• ✅ Dynamic layout from vgroup, hgroup, tgroup primitives
• 🔄 UI-to-DSP input controls (hslider, vslider, checkbox, button ...)
• 🔄 DSP-to-UI output monitors (hbargraph, vbargraph)
• 🔄 Style metadata (knob, menu, radio ...)
• ❌ Load default values from JSON layout to ViewModel

Usage

let jsonData: Data = ... // Faust UI JSON from libfaust
let ui = try JSONDecoder().decode([FaustUI].self, from: jsonData)

FaustUIView(ui: ui, viewModel: FaustUIViewModel())

Supported Primitives

| Type | Description | Implemented | |--------------|--------------------------------|-------------| | vgroup | Vertical group | ✅ | | hgroup | Horizontal group | ✅ | | tgroup | Tabbed group | ✅ | | hslider | Horizontal slider | ✅ | | vslider | Vertical slider | ✅ | | nentry | Number entry box | ✅ | | button | Momentary push button | ✅ | | checkbox | Toggle button | ✅ | | hbargraph | Horizontal bargraph | ✅ | | vbargraph | Vertical bargraph | ✅ |

Supported Styles (via [style:...] metadata)

| Style | Description | Implemented | |---------------|--------------------------------|----------------| | knob | Rotary knob | ✅ | | menu{...} | Dropdown menu | ❌ | | radio{...} | Radio button menu | ❌ | | led | LED-style output | ❌ | | numerical | Numerical value display | ❌ |

Supported Metadata

| Key | Description | Implemented | |------------|-----------------------|-------------| | style | Widget style | ✅ | | unit | Display value unit | ❌ | | scale | Value scaling | ❌ | | tooltip | Tooltip | ❌ | | hidden | Hidden components | ✅ |