From f02256cce12392a35d177511e39052985fc720ac Mon Sep 17 00:00:00 2001
From: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Date: Wed, 9 May 2018 20:36:10 +0200
Subject: QHeaderView: reset cached size hint on reset()
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QHeaderView::reset() did not reset the cached size hint which could lead
to wrong geometries when the model was reset.

Task-number: QTBUG-67927
Change-Id: I5100b28a741cc816133a229c422f9abf83f2187e
Reviewed-by: Thorbjørn Lund Martsum <tmartsum@gmail.com>
---
 src/widgets/itemviews/qheaderview.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/widgets/itemviews/qheaderview.cpp b/src/widgets/itemviews/qheaderview.cpp
index e0cced8163..6dc0543255 100644
--- a/src/widgets/itemviews/qheaderview.cpp
+++ b/src/widgets/itemviews/qheaderview.cpp
@@ -1853,11 +1853,13 @@ bool QHeaderView::restoreState(const QByteArray &state)
 */
 void QHeaderView::reset()
 {
+    Q_D(QHeaderView);
     QAbstractItemView::reset();
     // it would be correct to call clear, but some apps rely
     // on the header keeping the sections, even after calling reset
     //d->clear();
     initializeSections();
+    d->invalidateCachedSizeHint();
 }
 
 /*!
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