QHeaderView - prevent negative default+minimum section sizes

In 96f1fe8855082017fbbecccdab1eb11fd8c1f870 we agreed that sections
with negative sizes did not make sense. Of the same reason default
section sizes and minimum section sizes should be not negative.

Change-Id: I6a770e7f510d8e2bb90bfd8f38b4fa0566fc137b
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/widgets/itemviews/qheaderview.cpp b/src/widgets/itemviews/qheaderview.cpp
index 01cfc4034e..23245a7733 100644
--- a/src/widgets/itemviews/qheaderview.cpp
+++ b/src/widgets/itemviews/qheaderview.cpp
@@ -1469,6 +1469,8 @@ int QHeaderView::defaultSectionSize() const
 void QHeaderView::setDefaultSectionSize(int size)
 {
     Q_D(QHeaderView);
+    if (size < 0)
+        return;
     d->setDefaultSectionSize(size);
 }
 
@@ -1502,6 +1504,8 @@ int QHeaderView::minimumSectionSize() const
 void QHeaderView::setMinimumSectionSize(int size)
 {
     Q_D(QHeaderView);
+    if (size < 0)
+        return;
     d->minimumSectionSize = size;
 }