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Diffstat (limited to 'src/widgets/itemviews/qtreewidget.cpp')
-rw-r--r-- | src/widgets/itemviews/qtreewidget.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/widgets/itemviews/qtreewidget.cpp b/src/widgets/itemviews/qtreewidget.cpp index a0af27115d..a898661963 100644 --- a/src/widgets/itemviews/qtreewidget.cpp +++ b/src/widgets/itemviews/qtreewidget.cpp @@ -390,6 +390,27 @@ bool QTreeModel::setData(const QModelIndex &index, const QVariant &value, int ro return false; } +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) +bool QTreeModel::clearItemData(const QModelIndex &index) +{ + if (!checkIndex(index, CheckIndexOption::IndexIsValid)) + return false; + QTreeWidgetItem *itm = item(index); + if (!itm) + return false; + const auto beginIter = itm->values.at(index.column()).cbegin(); + const auto endIter = itm->values.at(index.column()).cend(); + if (std::all_of(beginIter, endIter, [](const QWidgetItemData& data) -> bool { return !data.value.isValid(); }) + && !itm->d->display.at(index.column()).isValid()) { + return true; //it's already cleared + } + itm->d->display[index.column()] = QVariant(); + itm->values[index.column()].clear(); + emit dataChanged(index, index, QVector<int>{}); + return true; +} +#endif + QMap<int, QVariant> QTreeModel::itemData(const QModelIndex &index) const { QMap<int, QVariant> roles; |