KeyHandler // Suppressing EmptyIgnoringPreviousState().

Source/Modules/ControllerModules/KeyHandler_HandleCandidate.swift

@@ -69,6 +69,7 @@ extension KeyHandler {
         // 所以這裡需要對 compositor.isEmpty 做判定。
         clear()
         stateCallback(InputState.EmptyIgnoringPreviousState())
+        stateCallback(InputState.Empty())
       } else {
         stateCallback(buildInputtingState)
       }
@@ -84,6 +85,7 @@ extension KeyHandler {
       if state is InputState.AssociatedPhrases, !mgrPrefs.alsoConfirmAssociatedCandidatesByEnter {
         clear()
         stateCallback(InputState.EmptyIgnoringPreviousState())
+        stateCallback(InputState.Empty())
         return true
       }
       delegate?.keyHandler(
@@ -350,10 +352,10 @@ extension KeyHandler {
             ctlCandidate: ctlCandidateCurrent
           )
           clear()
-          let empty = InputState.EmptyIgnoringPreviousState()
+          stateCallback(InputState.EmptyIgnoringPreviousState())
-          stateCallback(empty)
+          stateCallback(InputState.Empty())
           return handle(
-            input: input, state: empty, stateCallback: stateCallback, errorCallback: errorCallback
+            input: input, state: InputState.Empty(), stateCallback: stateCallback, errorCallback: errorCallback
           )
         }
         return true

Source/Modules/ControllerModules/KeyHandler_HandleComposition.swift

@@ -30,18 +30,14 @@ extension KeyHandler {
   /// 用來處理 KeyHandler.HandleInput() 當中的與組字有關的行為。
   /// - Parameters:
   ///   - input: 輸入訊號。
-  ///   - state: 給定狀態（通常為當前狀態）。
   ///   - stateCallback: 狀態回呼，交給對應的型別內的專有函式來處理。
   ///   - errorCallback: 錯誤回呼。
   /// - Returns: 告知 IMK「該按鍵是否已經被輸入法攔截處理」。
   func handleComposition(
     input: InputSignal,
-    state: InputStateProtocol,
     stateCallback: @escaping (InputStateProtocol) -> Void,
     errorCallback: @escaping () -> Void
   ) -> Bool? {
-    guard [.ofInputting, .ofEmpty, .ofEmptyIgnoringPreviousState].contains(state.type) else { return nil }
-
     // MARK: 注音按鍵輸入處理 (Handle BPMF Keys)
 
     var keyConsumedByReading = false
@@ -84,7 +80,12 @@ extension KeyHandler {
         errorCallback()
         composer.clear()
         // 根據「組字器是否為空」來判定回呼哪一種狀態。
-        stateCallback((compositor.isEmpty) ? InputState.EmptyIgnoringPreviousState() : buildInputtingState)
+        switch compositor.isEmpty {
+          case false: stateCallback(buildInputtingState)
+          case true:
+            stateCallback(InputState.EmptyIgnoringPreviousState())
+            stateCallback(InputState.Empty())
+        }
         return true  // 向 IMK 報告說這個按鍵訊號已經被輸入法攔截處理了。
       }
 

Source/Modules/ControllerModules/KeyHandler_HandleInput.swift

@@ -159,7 +159,7 @@ extension KeyHandler {
     // MARK: 注音按鍵輸入處理 (Handle BPMF Keys)
 
     if let compositionHandled = handleComposition(
-      input: input, state: state, stateCallback: stateCallback, errorCallback: errorCallback
+      input: input, stateCallback: stateCallback, errorCallback: errorCallback
     ) {
       return compositionHandled
     }

Source/Modules/ControllerModules/KeyHandler_States.swift

@@ -419,8 +419,12 @@ extension KeyHandler {
       composer.doBackSpace()
     }
 
-    stateCallback(
+    switch composer.isEmpty && compositor.isEmpty {
-      composer.isEmpty && compositor.isEmpty ? InputState.EmptyIgnoringPreviousState() : buildInputtingState)
+      case false: stateCallback(buildInputtingState)
+      case true:
+        stateCallback(InputState.EmptyIgnoringPreviousState())
+        stateCallback(InputState.Empty())
+    }
     return true
   }
 
@@ -457,7 +461,12 @@ extension KeyHandler {
     walk()
     let inputting = buildInputtingState
     // 這裡不用「count > 0」，因為該整數變數只要「!isEmpty」那就必定滿足這個條件。
-    stateCallback(inputting.composingBuffer.isEmpty ? InputState.EmptyIgnoringPreviousState() : inputting)
+    switch inputting.composingBuffer.isEmpty {
+      case false: stateCallback(inputting)
+      case true:
+        stateCallback(InputState.EmptyIgnoringPreviousState())
+        stateCallback(InputState.Empty())
+    }
     return true
   }
 
@@ -569,11 +578,17 @@ extension KeyHandler {
       /// 此乃 macOS 內建注音輸入法預設之行為，但不太受 Windows 使用者群體之待見。
       clear()
       stateCallback(InputState.EmptyIgnoringPreviousState())
+      stateCallback(InputState.Empty())
     } else {
       if composer.isEmpty { return true }
       /// 如果注拼槽不是空的話，則清空之。
       composer.clear()
-      stateCallback(compositor.isEmpty ? InputState.EmptyIgnoringPreviousState() : buildInputtingState)
+      switch compositor.isEmpty {
+        case false: stateCallback(buildInputtingState)
+        case true:
+          stateCallback(InputState.EmptyIgnoringPreviousState())
+          stateCallback(InputState.Empty())
+      }
     }
     return true
   }