2 files changed, 6 insertions, 0 deletions
diff --git a/src/gui/itemviews/qheaderview.cpp b/src/gui/itemviews/qheaderview.cpp
index fc9820f..4b5ec71 100644
--- a/src/gui/itemviews/qheaderview.cpp
+++ b/src/gui/itemviews/qheaderview.cpp
@@ -2516,6 +2516,8 @@ QSize QHeaderView::sectionSizeFromContents(int logicalIndex) const
     Q_D(const QHeaderView);
     Q_ASSERT(logicalIndex >= 0);
 
+    ensurePolished();
+
     // use SizeHintRole
     QVariant variant = d->model->headerData(logicalIndex, d->orientation, Qt::SizeHintRole);
     if (variant.isValid())
diff --git a/src/gui/itemviews/qtableview.cpp b/src/gui/itemviews/qtableview.cpp
index 2a937f1..c80faa2 100644
--- a/src/gui/itemviews/qtableview.cpp
+++ b/src/gui/itemviews/qtableview.cpp
@@ -2065,6 +2065,8 @@ int QTableView::sizeHintForRow(int row) const
     if (!model())
         return -1;
 
+    ensurePolished();
+
     int left = qMax(0, columnAt(0));
     int right = columnAt(d->viewport->width());
     if (right == -1) // the table don't have enough columns to fill the viewport
@@ -2122,6 +2124,8 @@ int QTableView::sizeHintForColumn(int column) const
     if (!model())
         return -1;
 
+    ensurePolished();
+
     int top = qMax(0, rowAt(0));
     int bottom = rowAt(d->viewport->height());
     if (!isVisible() || bottom == -1) // the table don't have enough rows to fill the viewport