From 36f01b7f56fe3421c890600bc10103f6904754a5 Mon Sep 17 00:00:00 2001
From: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Date: Fri, 15 Dec 2023 20:42:33 +0100
Subject: [PATCH] QHeaderView: fix calculating dragPosition

The dragPosition was calculated without taking the scroll offset into
account as it's done within QAIV.
Amends 787b4c1506aba7e83d861e178329a18c6ec34322

Pick-to: 6.6 6.5
Fixes: QTBUG-120055
Task-number: QTBUG-113573
Change-Id: I0e20065f797a1a3f7df07583fccfa029b636fead
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>
(cherry picked from commit 64a283a98894705fe51c9423812bbeb634138850)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/widgets/itemviews/qheaderview.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/widgets/itemviews/qheaderview.cpp b/src/widgets/itemviews/qheaderview.cpp
index d43341adde7..5e33d7f9756 100644
--- a/src/widgets/itemviews/qheaderview.cpp
+++ b/src/widgets/itemviews/qheaderview.cpp
@@ -2583,7 +2583,7 @@ void QHeaderView::mouseMoveEvent(QMouseEvent *e)
         }
         case QHeaderViewPrivate::MoveSection: {
             if (d->shouldAutoScroll(e->position().toPoint())) {
-                d->draggedPosition = e->pos();
+                d->draggedPosition = e->pos() + d->offset();
                 d->startAutoScroll();
             }
             if (qAbs(pos - d->firstPos) >= QApplication::startDragDistance()