From 3d97dd97599871f0eaa2bc88858c452a30de85ae Mon Sep 17 00:00:00 2001
From: ShikiSuen <shikisuen@outlook.com>
Date: Fri, 12 Aug 2022 10:39:40 +0800
Subject: [PATCH] ctlIME // Stop clearInlineDisplay() from being crashed by
 nil.

---
 .../ControllerModules/ctlInputMethod_HandleStates.swift        | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Source/Modules/ControllerModules/ctlInputMethod_HandleStates.swift b/Source/Modules/ControllerModules/ctlInputMethod_HandleStates.swift
index c4fd77ec..16f1028e 100644
--- a/Source/Modules/ControllerModules/ctlInputMethod_HandleStates.swift
+++ b/Source/Modules/ControllerModules/ctlInputMethod_HandleStates.swift
@@ -103,7 +103,8 @@ extension ctlInputMethod {
   /// 在處理不受 .NotEmpty() 管轄的狀態時可能要用到的函式，會清空螢幕上顯示的內文組字區。
   /// 當 setInlineDisplayWithCursor() 在錯誤的狀態下被呼叫時，也會觸發這個函式。
   private func clearInlineDisplay() {
-    client().setMarkedText(
+    guard let theClient = client() else { return }
+    theClient.setMarkedText(
       "", selectionRange: NSRange(location: 0, length: 0),
       replacementRange: NSRange(location: NSNotFound, length: NSNotFound)
     )