fix(mobile): allow copying iOS terminal output

apps/mobile/modules/t3-terminal/ios/T3TerminalView.swift

@@ -192,6 +192,7 @@ public final class T3TerminalView: ExpoView, UITextFieldDelegate {
   private let inputField = TerminalInputField()
   private let focusTapGesture = UITapGestureRecognizer()
   private let scrollPanGesture = UIPanGestureRecognizer()
+  private let selectTextGesture = UILongPressGestureRecognizer()
   private var lastViewportSize: CGSize = .zero
   private var lastContentScale: CGFloat = 0
   private var lastReportedGrid: (cols: Int, rows: Int)?
@@ -211,15 +212,7 @@ public final class T3TerminalView: ExpoView, UITextFieldDelegate {
   var captureRequest: Double = 0 {
     didSet {
       guard captureRequest > 0, captureRequest != oldValue else { return }
-      guard let surface else { onCapture(["text": ""]); return }
-      let selection = ghostty_selection_s(
-        top_left: ghostty_point_s(tag: GHOSTTY_POINT_VIEWPORT, coord: GHOSTTY_POINT_COORD_TOP_LEFT, x: 0, y: 0),
-        bottom_right: ghostty_point_s(tag: GHOSTTY_POINT_VIEWPORT, coord: GHOSTTY_POINT_COORD_BOTTOM_RIGHT, x: 0, y: 0),
-        rectangle: false)
-      var captured = ghostty_text_s()
-      guard ghostty_surface_read_text(surface, selection, &captured) else { onCapture(["text": ""]); return }
-      defer { ghostty_surface_free_text(surface, &captured) }
-      let text = captured.text.flatMap { String(bytes: UnsafeBufferPointer(start: UnsafeRawPointer($0).assumingMemoryBound(to: UInt8.self), count: Int(captured.text_len)), encoding: .utf8) } ?? ""
+      let text = readViewportText() ?? ""
       // Android joins snapshot rows with "\n" and trims each row's trailing whitespace, so do
       // the same here: identical terminal content must capture identically on both platforms.
       let normalized = text.split(separator: "\n", omittingEmptySubsequences: false)
@@ -369,6 +362,9 @@ public final class T3TerminalView: ExpoView, UITextFieldDelegate {
     scrollPanGesture.maximumNumberOfTouches = 1
     scrollPanGesture.cancelsTouchesInView = false
     terminalViewport.addGestureRecognizer(scrollPanGesture)
+    selectTextGesture.addTarget(self, action: #selector(handleSelectText(_:)))
+    terminalViewport.addGestureRecognizer(selectTextGesture)
+    focusTapGesture.require(toFail: selectTextGesture)
 
     addSubview(terminalViewport)
     addSubview(inputField)
@@ -440,6 +436,49 @@ public final class T3TerminalView: ExpoView, UITextFieldDelegate {
     requestKeyboardFocus()
   }
 
+  @objc
+  private func handleSelectText(_ gesture: UILongPressGestureRecognizer) {
+    guard gesture.state == .began, let window else { return }
+
+    var responder: UIResponder? = self
+    while let current = responder, !(current is UIViewController) {
+      responder = current.next
+    }
+    guard let presenter = responder as? UIViewController,
+      presenter.viewIfLoaded?.window === window,
+      presenter.presentedViewController == nil,
+      !presenter.isBeingPresented,
+      !presenter.isBeingDismissed,
+      presenter.transitionCoordinator == nil,
+      let text = readViewportText(),
+      !text.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty
+    else { return }
+
+    // Capture before dismissing the keyboard: doing so can resize the remote PTY.
+    inputField.resignFirstResponder()
+    let controller = TerminalTextSelectionViewController(text: text, fontSize: fontSize)
+    let navigation = UINavigationController(rootViewController: controller)
+    navigation.modalPresentationStyle = .pageSheet
+    presenter.present(navigation, animated: !UIAccessibility.isReduceMotionEnabled)
+  }
+
+  private func readViewportText() -> String? {
+    guard let surface else { return nil }
+    let selection = ghostty_selection_s(
+      top_left: ghostty_point_s(tag: GHOSTTY_POINT_VIEWPORT, coord: GHOSTTY_POINT_COORD_TOP_LEFT, x: 0, y: 0),
+      bottom_right: ghostty_point_s(tag: GHOSTTY_POINT_VIEWPORT, coord: GHOSTTY_POINT_COORD_BOTTOM_RIGHT, x: 0, y: 0),
+      rectangle: false)
+    var captured = ghostty_text_s()
+    guard ghostty_surface_read_text(surface, selection, &captured) else { return nil }
+    defer { ghostty_surface_free_text(surface, &captured) }
+    guard let text = captured.text else { return nil }
+    return String(
+      bytes: UnsafeBufferPointer(
+        start: UnsafeRawPointer(text).assumingMemoryBound(to: UInt8.self),
+        count: Int(captured.text_len)),
+      encoding: .utf8)
+  }
+
   @objc
   private func handleViewportPan(_ gesture: UIPanGestureRecognizer) {
     guard let surface else { return }

apps/mobile/modules/t3-terminal/ios/TerminalTextSelectionViewController.swift

@@ -0,0 +1,57 @@
+import UIKit
+
+final class TerminalTextSelectionViewController: UIViewController {
+  private let text: String
+  private let fontSize: CGFloat
+
+  init(text: String, fontSize: CGFloat) {
+    self.text = text
+    self.fontSize = fontSize
+    super.init(nibName: nil, bundle: nil)
+  }
+
+  required init?(coder: NSCoder) {
+    return nil
+  }
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    title = "Terminal text"
+    view.backgroundColor = .systemBackground
+
+    navigationItem.leftBarButtonItem = UIBarButtonItem(
+      title: "Copy All", style: .plain, target: self, action: #selector(copyAll))
+    navigationItem.rightBarButtonItem = UIBarButtonItem(
+      barButtonSystemItem: .done, target: self, action: #selector(close))
+
+    let textView = UITextView()
+    textView.text = text
+    textView.font = .monospacedSystemFont(ofSize: max(fontSize, 14), weight: .regular)
+    textView.textColor = .label
+    textView.backgroundColor = .systemBackground
+    textView.isEditable = false
+    textView.isSelectable = true
+    textView.accessibilityLabel = "Terminal output"
+    textView.textContainerInset = UIEdgeInsets(top: 16, left: 12, bottom: 16, right: 12)
+    textView.translatesAutoresizingMaskIntoConstraints = false
+    view.addSubview(textView)
+
+    NSLayoutConstraint.activate([
+      textView.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor),
+      textView.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor),
+      textView.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
+      textView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor),
+    ])
+  }
+
+  @objc
+  private func copyAll() {
+    UIPasteboard.general.string = text
+    close()
+  }
+
+  @objc
+  private func close() {
+    dismiss(animated: !UIAccessibility.isReduceMotionEnabled)
+  }
+}