From bb72b44d607a5a2f407e910f6dc21f2a33c1b89a Mon Sep 17 00:00:00 2001
From: tonwin618 <tonwin618@qq.com>
Date: Thu, 1 Aug 2024 13:55:09 +0800
Subject: [PATCH] Delete based on character width when pressing Backspace.

---
 .../Extensions/AnsiConsoleExtensions.Input.cs          | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/Spectre.Console/Extensions/AnsiConsoleExtensions.Input.cs b/src/Spectre.Console/Extensions/AnsiConsoleExtensions.Input.cs
index 7769e33a5..2d6a4cb0b 100644
--- a/src/Spectre.Console/Extensions/AnsiConsoleExtensions.Input.cs
+++ b/src/Spectre.Console/Extensions/AnsiConsoleExtensions.Input.cs
@@ -52,11 +52,19 @@ internal static async Task<string> ReadLine(this IAnsiConsole console, Style? st
             {
                 if (text.Length > 0)
                 {
+                    var lastChar = text.Last();
                     text = text.Substring(0, text.Length - 1);
 
                     if (mask != null)
                     {
-                        console.Write("\b \b");
+                        if (UnicodeCalculator.GetWidth(lastChar) == 1)
+                        {
+                            console.Write("\b \b");
+                        }
+                        else if (UnicodeCalculator.GetWidth(lastChar) == 2)
+                        {
+                            console.Write("\b \b\b \b");
+                        }
                     }
                 }