native macOS codings agent orchestrator prowl.onev.cat
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Swift
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struct MirrorPairingCodeField: View { @Binding var key: String @State private var first = "" @State private var second = "" @FocusState private var focused: Int?
var body: some View { VStack(alignment: .leading) { Text("Pairing Code").font(.caption).foregroundStyle(.secondary) HStack { TextField("ABCD", text: part(0)) .focused($focused, equals: 0) .accessibilityLabel("Pairing code first half") .accessibilityIdentifier("pairing-code-first") Text("–").accessibilityHidden(true) TextField("2345", text: part(1)) .focused($focused, equals: 1) .accessibilityLabel("Pairing code second half") .accessibilityIdentifier("pairing-code-second") } .font(.system(.body, design: .monospaced)) .textInputAutocapitalization(.characters).autocorrectionDisabled() .keyboardType(.asciiCapable) Text("Leave blank for a previously paired Host. New codes expire after 60 seconds.") .font(.caption).foregroundStyle(.secondary) } .onAppear { synchronize() } .onChange(of: key) { _, _ in synchronize() } }
private func part(_ index: Int) -> Binding<String> { Binding( get: { index == 0 ? first : second }, set: { value in let previous = index == 0 ? first : second let text = value.uppercased().filter { $0 != "-" && !$0.isWhitespace } guard text != previous else { return } if text.count > 4 { // Pasting the whole code in either field fills both halves. first = String(text.prefix(4)) second = String(text.dropFirst(4).prefix(4)) key = first + "-" + second focused = 1 } else { if index == 0 { first = text } else { second = text } key = first.isEmpty && second.isEmpty ? "" : first + "-" + second // Only advance during initial entry; editing a saved code must keep its cursor. if index == 0, previous.count < 4, text.count == 4, second.isEmpty { focused = 1 } } }) }
private func synchronize() { let parts = key.split(separator: "-", maxSplits: 1, omittingEmptySubsequences: false) if parts.count == 2 { first = String(parts[0]) second = String(parts[1]) } else { first = String(key.prefix(4)) second = String(key.dropFirst(4)) } }}