71 lines
2.2 KiB
Swift
71 lines
2.2 KiB
Swift
// FontStore.swift
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// Observable store that tracks the active terminal font and point size, and
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// persists both values across launches via UserDefaults.
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import Foundation
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import UIKit
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import Combine
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private let kFontIdKey = "terminal.font"
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private let kFontSizeKey = "terminal.fontSize"
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private let kDefaultSize: CGFloat = 11
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@MainActor
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public final class FontStore: ObservableObject {
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// MARK: Singleton
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public static let shared = FontStore()
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// MARK: Published state
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@Published public private(set) var current: TerminalFont
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@Published public private(set) var size: CGFloat
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// MARK: Available fonts (ordered: default first)
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public let available: [TerminalFont] = [.sfMono, .menlo, .jetBrainsMono]
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// MARK: Init
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private init() {
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// Restore point size (clamped to a sane range).
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// If stored value is the old default (13pt), migrate to new default (11pt).
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let storedSize = UserDefaults.standard.object(forKey: kFontSizeKey) as? CGFloat
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if storedSize == 13 { UserDefaults.standard.removeObject(forKey: kFontSizeKey) }
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let effectiveStored = storedSize == 13 ? nil : storedSize
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size = effectiveStored.map { max(8, min(32, $0)) } ?? kDefaultSize
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// Restore selected font id.
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let all: [TerminalFont] = [.sfMono, .menlo, .jetBrainsMono]
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if let savedId = UserDefaults.standard.string(forKey: kFontIdKey),
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let saved = all.first(where: { $0.id == savedId }) {
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current = saved
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} else {
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current = .sfMono
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}
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}
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// MARK: Public API
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/// Makes `font` the active font and persists the choice.
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public func select(_ font: TerminalFont) {
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current = font
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UserDefaults.standard.set(font.id, forKey: kFontIdKey)
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}
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/// Sets the point size (clamped to 8–32 pt) and persists it.
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public func setSize(_ newSize: CGFloat) {
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let clamped = max(8, min(32, newSize))
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size = clamped
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UserDefaults.standard.set(clamped, forKey: kFontSizeKey)
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}
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// MARK: Derived helpers
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/// Returns the current font scaled to the current point size.
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public var scaledFont: UIFont {
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current.uiFont.withSize(size)
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}
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}
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