spb/focale Public

1//2//  GestureMap.swift3//  Focale4//5//  Author: Simon-Pierre Boucher6//  Contact: contact@spboucher.ai7//8//  Fully reassignable gesture → control mapping (CLAUDE.md §6):9//  left vertical drag = ISO, horizontal = exposure, etc.10//1112import Foundation1314/// A gesture slot on the capture screen that can drive a control.15enum GestureSlot: String, Codable, Sendable, CaseIterable, Identifiable {16    case leftVerticalDrag17    case rightVerticalDrag18    case horizontalDrag19    case pinch2021    var id: String { rawValue }2223    /// User-facing label, in French.24    var displayName: String {25        switch self {26        case .leftVerticalDrag: "Glissement vertical gauche"27        case .rightVerticalDrag: "Glissement vertical droit"28        case .horizontalDrag: "Glissement horizontal"29        case .pinch: "Pincement"30        }31    }32}3334struct GestureMap: Codable, Sendable {35    private var assignments: [GestureSlot.RawValue: CaptureControl.RawValue]3637    init(_ assignments: [GestureSlot: CaptureControl]) {38        self.assignments = Dictionary(39            uniqueKeysWithValues: assignments.map { ($0.key.rawValue, $0.value.rawValue) }40        )41    }4243    func control(for slot: GestureSlot) -> CaptureControl? {44        assignments[slot.rawValue].flatMap(CaptureControl.init(rawValue:))45    }4647    mutating func assign(_ control: CaptureControl?, to slot: GestureSlot) {48        assignments[slot.rawValue] = control?.rawValue49    }5051    static let standard = GestureMap([52        .leftVerticalDrag: .iso,53        .rightVerticalDrag: .shutterSpeed,54        .horizontalDrag: .exposureBias,55        .pinch: .zoom,56    ])57}58