From ceb1b5e587c7a769f33ca8e0d208ce3067cb2947 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <m@mitchellh.com>
Date: Fri, 12 Dec 2025 13:50:20 -0800
Subject: [PATCH] macos: add a read-only menu item in View

---
 macos/Sources/App/macOS/AppDelegate.swift      |  1 +
 macos/Sources/App/macOS/MainMenu.xib           |  7 +++++++
 macos/Sources/Ghostty/SurfaceView_AppKit.swift | 12 ++++++++++++
 3 files changed, 20 insertions(+)

diff --git a/macos/Sources/App/macOS/AppDelegate.swift b/macos/Sources/App/macOS/AppDelegate.swift
index 8baee3d89..e10547bbc 100644
--- a/macos/Sources/App/macOS/AppDelegate.swift
+++ b/macos/Sources/App/macOS/AppDelegate.swift
@@ -69,6 +69,7 @@ class AppDelegate: NSObject,
     @IBOutlet private var menuResetFontSize: NSMenuItem?
     @IBOutlet private var menuChangeTitle: NSMenuItem?
     @IBOutlet private var menuChangeTabTitle: NSMenuItem?
+    @IBOutlet private var menuReadonly: NSMenuItem?
     @IBOutlet private var menuQuickTerminal: NSMenuItem?
     @IBOutlet private var menuTerminalInspector: NSMenuItem?
     @IBOutlet private var menuCommandPalette: NSMenuItem?
diff --git a/macos/Sources/App/macOS/MainMenu.xib b/macos/Sources/App/macOS/MainMenu.xib
index d009b9c62..a321061dd 100644
--- a/macos/Sources/App/macOS/MainMenu.xib
+++ b/macos/Sources/App/macOS/MainMenu.xib
@@ -47,6 +47,7 @@
                 <outlet property="menuPreviousSplit" destination="Lic-px-1wg" id="Rto-CG-yRe"/>
                 <outlet property="menuQuickTerminal" destination="1pv-LF-NBJ" id="glN-5B-IGi"/>
                 <outlet property="menuQuit" destination="4sb-4s-VLi" id="qYN-S1-6UW"/>
+                <outlet property="menuReadonly" destination="xpe-ia-Yjw" id="MMT-Sl-AfD"/>
                 <outlet property="menuRedo" destination="EX8-lB-4s7" id="wON-2J-yT1"/>
                 <outlet property="menuReloadConfig" destination="KKH-XX-5py" id="Wvp-7J-wqX"/>
                 <outlet property="menuResetFontSize" destination="Jah-MY-aLX" id="ger-qM-wrm"/>
@@ -328,6 +329,12 @@
                                     <action selector="changeTitle:" target="-1" id="XuL-QB-Q9l"/>
                                 </connections>
                             </menuItem>
+                            <menuItem title="Terminal Read-only" id="xpe-ia-Yjw">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="toggleReadonly:" target="-1" id="Gqx-wT-K9v"/>
+                                </connections>
+                            </menuItem>
                             <menuItem isSeparatorItem="YES" id="Vkj-tP-dMZ"/>
                             <menuItem title="Quick Terminal" id="1pv-LF-NBJ">
                                 <modifierMask key="keyEquivalentModifierMask"/>
diff --git a/macos/Sources/Ghostty/SurfaceView_AppKit.swift b/macos/Sources/Ghostty/SurfaceView_AppKit.swift
index d8670e644..853a6d51c 100644
--- a/macos/Sources/Ghostty/SurfaceView_AppKit.swift
+++ b/macos/Sources/Ghostty/SurfaceView_AppKit.swift
@@ -1512,6 +1512,14 @@ extension Ghostty {
             }
         }
 
+        @IBAction func toggleReadonly(_ sender: Any?) {
+            guard let surface = self.surface else { return }
+            let action = "toggle_readonly"
+            if (!ghostty_surface_binding_action(surface, action, UInt(action.lengthOfBytes(using: .utf8)))) {
+                AppDelegate.logger.warning("action failed action=\(action)")
+            }
+        }
+
         @IBAction func splitRight(_ sender: Any) {
             guard let surface = self.surface else { return }
             ghostty_surface_split(surface, GHOSTTY_SPLIT_DIRECTION_RIGHT)
@@ -1988,6 +1996,10 @@ extension Ghostty.SurfaceView: NSMenuItemValidation {
         case #selector(findHide):
             return searchState != nil
 
+        case #selector(toggleReadonly):
+            item.state = readonly ? .on : .off
+            return true
+
         default:
             return true
         }