From 1b42c75235dc99fa85bafe2e039db1bb93c71891 Mon Sep 17 00:00:00 2001
From: xianyu <wangxianyu@papegames.net>
Date: Wed, 15 Nov 2023 16:03:29 +0800
Subject: [PATCH] [fix] Get right Column when use custom element replace text
 content.

---
 ICSharpCode.AvalonEdit/Rendering/VisualLine.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ICSharpCode.AvalonEdit/Rendering/VisualLine.cs b/ICSharpCode.AvalonEdit/Rendering/VisualLine.cs
index 66dc8371..e3cd8c7e 100644
--- a/ICSharpCode.AvalonEdit/Rendering/VisualLine.cs
+++ b/ICSharpCode.AvalonEdit/Rendering/VisualLine.cs
@@ -470,6 +470,9 @@ internal int GetVisualColumn(Point point, bool allowVirtualSpace, out bool isAtE
 		{
 			var textLine = GetTextLineByVisualYPosition(point.Y);
 			int vc = GetVisualColumn(textLine, point.X, allowVirtualSpace);
+			// Not matter how many columns the generated element originally occupies.it is only considered a single column.
+			// so need recalculate column 
+			vc = GetVisualColumn(vc);
 			isAtEndOfLine = (vc >= GetTextLineVisualStartColumn(textLine) + textLine.Length);
 			return vc;
 		}