From 13d2569919daa3ecebeb17ed92feb8d74c7693b7 Mon Sep 17 00:00:00 2001
From: ShikiSuen <shikisuen@outlook.com>
Date: Tue, 31 May 2022 14:28:33 +0800
Subject: [PATCH] InputState // Recognize EmptyIgnoringPreviousState as Empty.

- The only difference is that EmptyIgnoringPreviousState doesn't commit the contents of the previous state.
---
 Source/Modules/ControllerModules/InputState.swift | 8 ++------
 Source/Modules/IMEModules/ctlInputMethod.swift    | 4 +++-
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/Source/Modules/ControllerModules/InputState.swift b/Source/Modules/ControllerModules/InputState.swift
index 02a54025..50044dbc 100644
--- a/Source/Modules/ControllerModules/InputState.swift
+++ b/Source/Modules/ControllerModules/InputState.swift
@@ -83,12 +83,8 @@ class InputState {
   // MARK: -
 
   /// Represents that the composing buffer is empty.
-  class EmptyIgnoringPreviousState: InputState {
-    var composingBuffer: String {
-      ""
-    }
-
-    var description: String {
+  class EmptyIgnoringPreviousState: Empty {
+    override var description: String {
       "<InputState.EmptyIgnoringPreviousState>"
     }
   }
diff --git a/Source/Modules/IMEModules/ctlInputMethod.swift b/Source/Modules/IMEModules/ctlInputMethod.swift
index d6ad6e05..88dab5e0 100644
--- a/Source/Modules/IMEModules/ctlInputMethod.swift
+++ b/Source/Modules/IMEModules/ctlInputMethod.swift
@@ -308,7 +308,9 @@ extension ctlInputMethod {
       return
     }
 
-    if let previous = previous as? InputState.NotEmpty {
+    if let previous = previous as? InputState.NotEmpty,
+      !(state is InputState.EmptyIgnoringPreviousState)
+    {
       commit(text: previous.composingBuffer, client: client)
     }
     client.setMarkedText(