Repo // Introducing Broadcaster for KVO operations.

Packages/vChewing_Shared/Sources/Shared/Broadcaster.swift

@@ -0,0 +1,17 @@
+// (c) 2011 and onwards The OpenVanilla Project (MIT License).
+// All possible vChewing-specific modifications are of:
+// (c) 2021 and onwards The vChewing Project (MIT-NTL License).
+// ====================
+// This code is released under the MIT license (SPDX-License-Identifier: MIT)
+// ... with NTL restriction stating that:
+// No trademark license is granted to use the trade names, trademarks, service
+// marks, or product names of Contributor, except as required to fulfill notice
+// requirements defined in MIT License.
+
+import AppKit
+
+@objcMembers public class Broadcaster: NSObject {
+  public static var shared = Broadcaster()
+  public dynamic var eventForReloadingPhraseEditor = UUID()
+  public dynamic var eventForReloadingRevLookupData = UUID()
+}

Source/Modules/AppDelegate.swift

@@ -47,7 +47,7 @@ extension AppDelegate {
       DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.1) {
         if #available(macOS 10.15, *) { FileObserveProject.shared.touch() }
         if PrefMgr.shared.phraseEditorAutoReloadExternalModifications {
-          CtlPrefWindow.shared?.updatePhraseEditor()
+          Broadcaster.shared.eventForReloadingPhraseEditor = .init()
         }
       }
     }

Source/Modules/LMMgr_Utilities.swift

@@ -280,7 +280,7 @@ public extension LMMgr {
     // by the current application itself, requiring additional manual loading process here.
     if #available(macOS 10.15, *) { FileObserveProject.shared.touch() }
     if PrefMgr.shared.phraseEditorAutoReloadExternalModifications {
-      CtlPrefWindow.shared?.updatePhraseEditor()
+      Broadcaster.shared.eventForReloadingPhraseEditor = .init()
     }
     loadUserPhrasesData(type: .thePhrases)
   }

Source/Modules/WindowControllers/CtlPrefWindow.swift

@@ -61,6 +61,8 @@ class CtlPrefWindow: NSWindowController, NSWindowDelegate {
 
   public static var shared: CtlPrefWindow?
 
+  @objc var observation: NSKeyValueObservation?
+
   static func show() {
     let resetPhraseEditor: Bool = shared?.window == nil || !(shared?.window?.isVisible ?? false) || shared == nil
     if shared == nil { shared = CtlPrefWindow(windowNibName: "frmPrefWindow") }
@@ -83,6 +85,10 @@ class CtlPrefWindow: NSWindowController, NSWindowDelegate {
     super.windowDidLoad()
     window?.setPosition(vertical: .top, horizontal: .right, padding: 20)
 
+    observation = Broadcaster.shared.observe(\.eventForReloadingPhraseEditor, options: [.new]) { _, _ in
+      self.updatePhraseEditor()
+    }
+
     chkFartSuppressor.isHidden = !Date.isTodayTheDate(from: 0401)
     chkFartSuppressor.isEnabled = !chkFartSuppressor.isHidden
 

Source/Modules/WindowControllers/CtlRevLookupWindow.swift

@@ -11,6 +11,7 @@ import LangModelAssembly
 
 class CtlRevLookupWindow: NSWindowController, NSWindowDelegate {
   static var shared: CtlRevLookupWindow?
+  @objc var observation: NSKeyValueObservation?
 
   static func show() {
     if shared == nil { Self.shared = .init(window: FrmRevLookupWindow()) }
@@ -20,10 +21,16 @@ class CtlRevLookupWindow: NSWindowController, NSWindowDelegate {
     window.setPosition(vertical: .bottom, horizontal: .right, padding: 20)
     window.orderFrontRegardless() // 逼著視窗往最前方顯示
     window.level = .statusBar
-    window.titlebarAppearsTransparent = true
     shared.showWindow(shared)
     NSApp.popup()
   }
+  
+  override func windowDidLoad() {
+    super.windowDidLoad()
+    observation = Broadcaster.shared.observe(\.eventForReloadingRevLookupData, options: [.new]) { _, _ in
+      FrmRevLookupWindow.reloadData()
+    }
+  }
 }
 
 class FrmRevLookupWindow: NSWindow {