From 496264f1089c5a3d04e573852aa53837d7c3d3ee Mon Sep 17 00:00:00 2001
From: ShikiSuen <shikisuen@outlook.com>
Date: Fri, 25 Nov 2022 10:46:30 +0800
Subject: [PATCH] InputHandler // Add isCompositorEmpty().

---
 Source/Modules/InputHandler_Core.swift | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Source/Modules/InputHandler_Core.swift b/Source/Modules/InputHandler_Core.swift
index 05d449a1..84205ed9 100644
--- a/Source/Modules/InputHandler_Core.swift
+++ b/Source/Modules/InputHandler_Core.swift
@@ -22,6 +22,7 @@ public protocol InputHandlerProtocol {
   var currentUOM: vChewingLM.LMUserOverride { get set }
   var delegate: InputHandlerDelegate? { get set }
   var composer: Tekkon.Composer { get set }
+  var isCompositorEmpty: Bool { get }
   var isComposerUsingPinyin: Bool { get }
   func clear()
   func clearComposerAndCalligrapher()
@@ -90,6 +91,8 @@ public class InputHandler: InputHandlerProtocol {
 
   // MARK: - Functions dealing with Megrez.
 
+  public var isCompositorEmpty: Bool { compositor.isEmpty }
+
   /// 獲取當前標記得範圍。這個函式只能是函式、而非只讀變數。
   /// - Returns: 當前標記範圍。
   func currentMarkedRange() -> Range<Int> {