diff options
| -rw-r--r-- | src/widgets/itemviews/qheaderview.cpp | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/widgets/itemviews/qheaderview.cpp b/src/widgets/itemviews/qheaderview.cpp index e9091ca1a2..62abf56751 100644 --- a/src/widgets/itemviews/qheaderview.cpp +++ b/src/widgets/itemviews/qheaderview.cpp @@ -3117,9 +3117,25 @@ void QHeaderView::scrollContentsBy(int dx, int dy) \reimp \internal */ -void QHeaderView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &) +void QHeaderView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles) { Q_D(QHeaderView); + if (!roles.isEmpty()) { + const auto doesRoleAffectSize = [](int role) -> bool { + switch (role) { + case Qt::DisplayRole: + case Qt::DecorationRole: + case Qt::SizeHintRole: + case Qt::FontRole: + return true; + default: + // who knows what a subclass or custom style might do + return role >= Qt::UserRole; + } + }; + if (std::none_of(roles.begin(), roles.end(), doesRoleAffectSize)) + return; + } d->invalidateCachedSizeHint(); if (d->hasAutoResizeSections()) { bool resizeRequired = d->globalResizeMode == ResizeToContents; |