mac/menu: keep track of menu items with dynamic actions

keeping track of the dynamic menu items lets us directly access them by
key. we don't need to search in the config array for the right config
and menu item.

osdep/mac/menu_bar.swift

@@ -37,7 +37,6 @@ extension MenuBar {
         let command: String
         let url: String
         let commandSpecial: MenuKey?
-        var menuItem: MenuItem?
         var configs: [Config]?
 
         init(
@@ -49,7 +48,6 @@ extension MenuBar {
             command: String = "",
             url: String = "",
             commandSpecial: MenuKey? = nil,
-            menuItem: MenuItem? = nil,
             configs: [Config]? = nil
         ) {
             self.name = name
@@ -60,7 +58,6 @@ extension MenuBar {
             self.command = command
             self.url = url
             self.commandSpecial = commandSpecial
-            self.menuItem = menuItem
             self.configs = configs
         }
     }
@@ -68,6 +65,7 @@ extension MenuBar {
 
 class MenuBar: NSObject {
     var menuConfigs: [Config] = []
+    var dynamicMenuItems: [MenuKey:[MenuItem]] = [:]
     let appIcon: NSImage
 
     @objc override init() {
@@ -250,15 +248,14 @@ class MenuBar: NSObject {
         let mainMenu = NSMenu(title: "MainMenu")
         NSApp.servicesMenu = NSMenu()
 
-        for (menuConfigIndex, menuConfig) in menuConfigs.enumerated() {
+        for menuConfig in menuConfigs {
             let menu = NSMenu(title: menuConfig.name)
             let item = MenuItem(title: menuConfig.name, action: nil, keyEquivalent: menuConfig.key)
             item.config = menuConfig
             mainMenu.addItem(item)
             mainMenu.setSubmenu(menu, for: item)
-            menuConfigs[menuConfigIndex].menuItem = item
 
-            for (subConfigIndex, subConfig) in (menuConfig.configs ?? []).enumerated() {
+            for subConfig in menuConfig.configs ?? [] {
                 if subConfig.name == "Show log File…" && ProcessInfo.processInfo.environment["MPVBUNDLE"] != "true" {
                     continue
                 }
@@ -271,11 +268,13 @@ class MenuBar: NSObject {
                     subItem.keyEquivalentModifierMask = subConfig.modifiers
                     subItem.config = subConfig
                     menu.addItem(subItem)
-                    menuConfigs[menuConfigIndex].configs?[subConfigIndex].menuItem = subItem
 
                     if subConfig.name == "Services" {
                         subItem.submenu = NSApp.servicesMenu
                     }
+                    if let cmd = subConfig.commandSpecial {
+                        dynamicMenuItems[cmd] = (dynamicMenuItems[cmd] ?? []) + [subItem]
+                    }
                 }
             }
         }
@@ -399,13 +398,8 @@ class MenuBar: NSObject {
     }
 
     func register(_ selector: Selector, key: MenuKey) {
-        for menuConfig in menuConfigs {
-            for subConfig in menuConfig.configs ?? [] {
-                if subConfig.commandSpecial == key {
-                    subConfig.menuItem?.action = selector
-                    return
-                }
-            }
+        for menuItem in dynamicMenuItems[key] ?? [] {
+            menuItem.action = selector
         }
     }
 }