macos: setup delegate for app state, config reload callback

macos/Sources/AppDelegate.swift

@@ -3,7 +3,7 @@ import OSLog
 import GhosttyKit
 
 @NSApplicationMain
-class AppDelegate: NSObject, NSApplicationDelegate, ObservableObject {
+class AppDelegate: NSObject, ObservableObject, NSApplicationDelegate, GhosttyAppStateDelegate {
     // The application logger. We should probably move this at some point to a dedicated
     // class/struct but for now it lives here! 🤷‍♂️
     static let logger = Logger(
@@ -43,6 +43,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, ObservableObject {
     override init() {
         super.init()
         
+        ghostty.delegate = self
         windowManager = PrimaryWindowManager(ghostty: self.ghostty)
     }
     
@@ -149,6 +150,14 @@ class AppDelegate: NSObject, NSApplicationDelegate, ObservableObject {
         ghostty.splitMoveFocus(surface: surface, direction: direction)
     }
     
+    //MARK: - GhosttyAppStateDelegate
+    
+    func configDidReload(_ state: Ghostty.AppState) {
+        syncMenuShortcuts()
+    }
+    
+    //MARK: - IB Actions
+    
     @IBAction func newWindow(_ sender: Any?) {
         windowManager.newWindow()
     }

macos/Sources/Ghostty/AppState.swift

@@ -1,6 +1,11 @@
 import SwiftUI
 import GhosttyKit
 
+protocol GhosttyAppStateDelegate: AnyObject {
+    /// Called when the configuration did finish reloading.
+    func configDidReload(_ state: Ghostty.AppState)
+}
+
 extension Ghostty {
     enum AppReadiness {
         case loading, error, ready
@@ -12,6 +17,9 @@ extension Ghostty {
         /// The readiness value of the state.
         @Published var readiness: AppReadiness = .loading
         
+        /// Optional delegate
+        weak var delegate: GhosttyAppStateDelegate?
+        
         /// The ghostty global configuration. This should only be changed when it is definitely
         /// safe to change. It is definite safe to change only when the embedded app runtime
         /// in Ghostty says so (usually, only in a reload configuration callback).
@@ -242,6 +250,11 @@ extension Ghostty {
             let state = Unmanaged<AppState>.fromOpaque(userdata!).takeUnretainedValue()
             state.config = newConfig
             
+            // If we have a delegate, notify.
+            if let delegate = state.delegate {
+                delegate.configDidReload(state)
+            }
+            
             return newConfig
         }