From bf909bd637e4910a75b60df3b3ca5f2dd79515e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorbj=C3=B8rn=20Lund=20Martsum?= <tmartsum@gmail.com>
Date: Thu, 8 Nov 2012 15:09:00 +0100
Subject: QHeaderView - do not keep indexes from an obsolete model

When we call setModel persistentHiddenSections are no longer relevant.
It contains indexes from the previous model.

This solves:

Task-number: QTBUG-18196

Change-Id: Ida02fa63a915695e3730fd63995ac5f8520ae827
Reviewed-by: Andy Shaw <andy.shaw@digia.com>
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>
---
 src/widgets/itemviews/qheaderview.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/widgets')

diff --git a/src/widgets/itemviews/qheaderview.cpp b/src/widgets/itemviews/qheaderview.cpp
index 21c2e9050c..feda750729 100644
--- a/src/widgets/itemviews/qheaderview.cpp
+++ b/src/widgets/itemviews/qheaderview.cpp
@@ -350,6 +350,7 @@ void QHeaderView::setModel(QAbstractItemModel *model)
     if (model == this->model())
         return;
     Q_D(QHeaderView);
+    d->persistentHiddenSections.clear();
     if (d->model && d->model != QAbstractItemModelPrivate::staticEmptyModel()) {
     if (d->orientation == Qt::Horizontal) {
         QObject::disconnect(d->model, SIGNAL(columnsInserted(QModelIndex,int,int)),
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