feat: add menu bar ascii_mode display

- 切换 app 时 menu bar 状态跟随当前 session 的 ascii_mode 更新
- 增加配置 squirrel.yaml 中 menubar_ascii_mode 默认 true

Author: Cosss7

Squirrel.xcodeproj/project.pbxproj

@@ -90,6 +90,7 @@
 		D26434552706A15100857391 /* QuartzCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D26434542706A15100857391 /* QuartzCore.framework */; };
 		E93074B70A5C264700470842 /* InputMethodKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = E93074B60A5C264700470842 /* InputMethodKit.framework */; };
 		F45E005F2B8CA81C00179B75 /* UserNotifications.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F45E005E2B8CA81C00179B75 /* UserNotifications.framework */; };
+		4D2A6EB7-BA19-4424-8EE7-631DBEC1AA87 /* StatusBarManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = FBA6C012-5161-4121-AC4F-E125D9F00676 /* StatusBarManager.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -297,6 +298,7 @@
 		D26434542706A15100857391 /* QuartzCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = QuartzCore.framework; path = System/Library/Frameworks/QuartzCore.framework; sourceTree = SDKROOT; };
 		E93074B60A5C264700470842 /* InputMethodKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = InputMethodKit.framework; path = /System/Library/Frameworks/InputMethodKit.framework; sourceTree = "<absolute>"; };
 		F45E005E2B8CA81C00179B75 /* UserNotifications.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UserNotifications.framework; path = System/Library/Frameworks/UserNotifications.framework; sourceTree = SDKROOT; };
+		FBA6C012-5161-4121-AC4F-E125D9F00676 /* StatusBarManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = StatusBarManager.swift; path = sources/StatusBarManager.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -327,6 +329,7 @@
 				B39771282BEDAF4A0093A49B /* SquirrelView.swift */,
 				B39771242BED899F0093A49B /* SquirrelConfig.swift */,
 				B35D2FE72BF00839009D156B /* BridgingFunctions.swift */,
+				FBA6C012-5161-4121-AC4F-E125D9F00676 /* StatusBarManager.swift */,
 				B38E9B8F2BE9AE1E0036ABEF /* Squirrel-Bridging-Header.h */,
 			);
 			name = Sources;
@@ -589,6 +592,7 @@
 				B38E9B912BE9AE1E0036ABEF /* SquirrelApplicationDelegate.swift in Sources */,
 				B39771272BED9B250093A49B /* SquirrelTheme.swift in Sources */,
 				B35D2FE82BF00839009D156B /* BridgingFunctions.swift in Sources */,
+				4D2A6EB7-BA19-4424-8EE7-631DBEC1AA87 /* StatusBarManager.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

sources/SquirrelApplicationDelegate.swift

@@ -19,6 +19,7 @@ final class SquirrelApplicationDelegate: NSObject, NSApplicationDelegate, SPUSta
   var panel: SquirrelPanel?
   var enableNotifications = false
   let updateController = SPUStandardUpdaterController(startingUpdater: true, updaterDelegate: nil, userDriverDelegate: nil)
+  let statusBarManager = StatusBarManager()
   var supportsGentleScheduledUpdateReminders: Bool {
     true
   }
@@ -61,6 +62,7 @@ final class SquirrelApplicationDelegate: NSObject, NSApplicationDelegate, SPUSta
     // swiftlint:disable:next notification_center_detachment
     NotificationCenter.default.removeObserver(self)
     DistributedNotificationCenter.default().removeObserver(self)
+    statusBarManager.teardown()
     panel?.hide()
   }
 
@@ -162,6 +164,8 @@ final class SquirrelApplicationDelegate: NSObject, NSApplicationDelegate, SPUSta
     }
 
     enableNotifications = config!.getString("show_notifications_when") != "never"
+    let showStatusInMenuBar = config!.getBool("menubar_ascii_mode") ?? true
+    statusBarManager.setup(enabled: showStatusInMenuBar)
     if let panel = panel, let config = self.config {
       panel.load(config: config, forDarkMode: false)
       panel.load(config: config, forDarkMode: true)
@@ -284,6 +288,7 @@ private extension SquirrelApplicationDelegate {
   func showStatusMessage(msgTextLong: String?, msgTextShort: String?) {
     if !(msgTextLong ?? "").isEmpty || !(msgTextShort ?? "").isEmpty {
       panel?.updateStatus(long: msgTextLong ?? "", short: msgTextShort ?? "")
+      statusBarManager.updateStatus(text: msgTextShort ?? "")
     }
   }
 

sources/SquirrelInputController.swift

@@ -194,6 +194,9 @@ final class SquirrelInputController: IMKInputController {
     if keyboardLayout != "" {
       client?.overrideKeyboard(withKeyboardNamed: keyboardLayout)
     }
+    if session != 0 {
+      updateMenuBarStatus()
+    }
     preedit = ""
   }
 
@@ -295,6 +298,18 @@ final class SquirrelInputController: IMKInputController {
 
 private extension SquirrelInputController {
 
+  func updateMenuBarStatus() {
+    guard session != 0 else { return }
+    let isAsciiMode = rimeAPI.get_option(session, "ascii_mode")
+    "ascii_mode".withCString { name in
+      let label = rimeAPI.get_state_label_abbreviated(session, name, isAsciiMode, true)
+      if let str = label.str {
+        let text = String(cString: str)
+        NSApp.squirrelAppDelegate.statusBarManager.updateStatus(text: text)
+      }
+    }
+  }
+
   func onChordTimer(_: Timer) {
     // chord release triggered by timer
     var processedKeys = false

sources/StatusBarManager.swift

@@ -0,0 +1,45 @@
+//
+//  StatusBarManager.swift
+//  Squirrel
+//
+
+import AppKit
+
+final class StatusBarManager {
+  private var statusItem: NSStatusItem?
+
+  deinit {
+    teardown()
+  }
+
+  /// 根据配置初始化或销毁菜单栏图标
+  /// - Parameters:
+  ///   - enabled: true 创建状态项，false 移除
+  ///   - initialText: 初始显示的文本，默认为空字符串
+  func setup(enabled: Bool, initialText: String = "") {
+    if enabled {
+      if statusItem == nil {
+        statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.variableLength)
+      }
+      if !initialText.isEmpty {
+        statusItem?.button?.title = initialText
+      }
+    } else {
+      teardown()
+    }
+  }
+
+  /// 更新菜单栏显示的文本
+  /// - Parameter text: 要显示的文本，如 "中" 或 "A"
+  func updateStatus(text: String) {
+    statusItem?.button?.title = text
+  }
+
+  /// 清理资源，从菜单栏移除状态项
+  func teardown() {
+    if let item = statusItem {
+      NSStatusBar.system.removeStatusItem(item)
+      statusItem = nil
+    }
+  }
+}