From 7df892c5418027174da67ff3b029232464648012 Mon Sep 17 00:00:00 2001
From: ShikiSuen <shikisuen@outlook.com>
Date: Mon, 19 Jun 2023 22:48:32 +0800
Subject: [PATCH] InputHandler // Use .ofSymbolTable() to handle `%symboldef`.

---
 Source/Modules/InputHandler_HandleStates.swift | 18 ++++++++++++++++++
 Source/Modules/InputHandler_TriageInput.swift  |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/Source/Modules/InputHandler_HandleStates.swift b/Source/Modules/InputHandler_HandleStates.swift
index eb3a1cae..5c44f656 100644
--- a/Source/Modules/InputHandler_HandleStates.swift
+++ b/Source/Modules/InputHandler_HandleStates.swift
@@ -1089,4 +1089,22 @@ extension InputHandler {
     }
     return false
   }
+
+  // MARK: - 處理磁帶模式的符號選單輸入
+
+  func handleCassetteSymbolTable(input: InputSignalProtocol) -> Bool {
+    guard let delegate = delegate else { return false }
+    guard prefs.cassetteEnabled else { return false }
+    let inputText = input.text
+    guard !inputText.isEmpty else { return false }
+    let queryString = calligrapher + inputText
+    let maybeResult = currentLM.cassetteSymbolDataFor(key: queryString)
+    guard let result = maybeResult else { return false }
+    let root = CandidateNode(name: queryString, symbols: result)
+    // 得在這裡先 commit buffer，不然會導致「在摁 ESC 離開符號選單時會重複輸入上一次的組字區的內容」的不當行為。
+    let textToCommit = generateStateOfInputting(sansReading: true).displayedText
+    delegate.switchState(IMEState.ofCommitting(textToCommit: textToCommit))
+    delegate.switchState(IMEState.ofSymbolTable(node: root))
+    return true
+  }
 }
diff --git a/Source/Modules/InputHandler_TriageInput.swift b/Source/Modules/InputHandler_TriageInput.swift
index cd3c8867..0477a360 100644
--- a/Source/Modules/InputHandler_TriageInput.swift
+++ b/Source/Modules/InputHandler_TriageInput.swift
@@ -148,6 +148,8 @@ extension InputHandler {
         return handleHaninKeyboardSymbolModeToggle()
       }
 
+      if handleCassetteSymbolTable(input: input) { return true }
+
       let hasQuickCandidates: Bool = state.type == .ofInputting && state.isCandidateContainer
 
       if input.modifierFlags == .shift {