From 1200d71203f73eb62cba91285b93f87c64d2b9e8 Mon Sep 17 00:00:00 2001
From: ruinivist <ruinivist@proton.me>
Date: Sun, 8 Feb 2026 17:27:35 +0530
Subject: [PATCH] fix: incorrect deletion length in tab autocomplete

---
 src/widgets/helper/ResizingTextEdit.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/widgets/helper/ResizingTextEdit.cpp b/src/widgets/helper/ResizingTextEdit.cpp
index d0ed7a93..59e9f09e 100644
--- a/src/widgets/helper/ResizingTextEdit.cpp
+++ b/src/widgets/helper/ResizingTextEdit.cpp
@@ -291,8 +291,8 @@ void ResizingTextEdit::insertCompletion(const QString &completion)
     }
 
     QTextCursor tc = this->textCursor();
-    tc.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor,
-                    prefixSize);
+    int completionStart = tc.position() - prefixSize;
+    tc.setPosition(completionStart, QTextCursor::KeepAnchor);
     tc.insertText(completion);
     this->setTextCursor(tc);
     this->updateGeometry();