QHeaderView - minor fix to createSectionSpan

I am unsure if this is only theoretic - but if/when we have added
sections here - we must ensure that we recalculate startpositions.

Change-Id: I70bf55209f1a1a885cb49748b65218879bc68776
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/widgets/itemviews/qheaderview.cpp b/src/widgets/itemviews/qheaderview.cpp
index 425eb4cd95..4975e72260 100644
--- a/src/widgets/itemviews/qheaderview.cpp
+++ b/src/widgets/itemviews/qheaderview.cpp
@@ -3172,8 +3172,10 @@ void QHeaderViewPrivate::resizeSections(QHeaderView::ResizeMode globalMode, bool
 void QHeaderViewPrivate::createSectionSpan(int start, int end, int size, QHeaderView::ResizeMode mode)
 {
     int sizePerSection = size / (end - start + 1);
-    if (end >= sectionSpans.count())
+    if (end >= sectionSpans.count()) {
         sectionSpans.resize(end + 1);
+        sectionStartposRecalc = true;
+    }
     SectionSpan *sectiondata = sectionSpans.data();
     for (int i = start; i <= end; ++i) {
         length += (sizePerSection - sectiondata[i].size);