From ec88d279a8d52189685008c8fe46371d13d2505f Mon Sep 17 00:00:00 2001
From: David Schulz <david.schulz@qt.io>
Date: Mon, 22 Apr 2024 10:18:09 +0200
Subject: [PATCH] TextEditor: Optimize unindent backspace behavior
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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Only remove more than one character when the cursor is inside the
indentation in the beginning of the line. In all other cases always only
remove one character.

Fixes: QTCREATORBUG-30725
Change-Id: I973101a95768cdd8b1a318972f53423eb72eb157
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
---
 src/plugins/texteditor/texteditor.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/plugins/texteditor/texteditor.cpp b/src/plugins/texteditor/texteditor.cpp
index 3256ee91b79..280ca8e433f 100644
--- a/src/plugins/texteditor/texteditor.cpp
+++ b/src/plugins/texteditor/texteditor.cpp
@@ -6876,8 +6876,7 @@ void TextEditorWidgetPrivate::handleBackspaceKey()
                 }
             }
         } else if (typingSettings.m_smartBackspaceBehavior == TypingSettings::BackspaceUnindents) {
-            const QChar previousChar = q->document()->characterAt(pos - 1);
-            if (!(previousChar == QLatin1Char(' ') || previousChar == QLatin1Char('\t'))) {
+            if (c.positionInBlock() > TabSettings::firstNonSpace(c.block().text())) {
                 if (cursorWithinSnippet)
                     c.beginEditBlock();
                 c.deletePreviousChar();