diff options
Diffstat (limited to 'src/corelib/itemmodels/qabstractitemmodel.cpp')
| -rw-r--r-- | src/corelib/itemmodels/qabstractitemmodel.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/corelib/itemmodels/qabstractitemmodel.cpp b/src/corelib/itemmodels/qabstractitemmodel.cpp index 989456efbb..f152dec5e6 100644 --- a/src/corelib/itemmodels/qabstractitemmodel.cpp +++ b/src/corelib/itemmodels/qabstractitemmodel.cpp @@ -1679,6 +1679,9 @@ bool QAbstractItemModel::hasIndex(int row, int column, const QModelIndex &parent Use rowCount() on the parent to find out the number of children. + Note that it is undefined behavior to report that a particular index hasChildren + with this method if the same index has the flag Qt::ItemNeverHasChildren set. + \sa parent(), index() */ bool QAbstractItemModel::hasChildren(const QModelIndex &parent) const @@ -2109,9 +2112,8 @@ void QAbstractItemModel::fetchMore(const QModelIndex &) The default implementation always returns false. - If canFetchMore() returns true, QAbstractItemView will call fetchMore(). - However, the fetchMore() function is only called when the model is being - populated incrementally. + If canFetchMore() returns true, the fetchMore() function should + be called. This is the behavior of QAbstractItemView, for example. \sa fetchMore() */ |