diff options
Diffstat (limited to 'src/gui/itemmodels')
| -rw-r--r-- | src/gui/itemmodels/qstandarditemmodel.cpp | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/gui/itemmodels/qstandarditemmodel.cpp b/src/gui/itemmodels/qstandarditemmodel.cpp index 1d6e2924b1..07e372b1ae 100644 --- a/src/gui/itemmodels/qstandarditemmodel.cpp +++ b/src/gui/itemmodels/qstandarditemmodel.cpp @@ -148,8 +148,14 @@ void QStandardItemPrivate::setChild(int row, int column, QStandardItem *item, if (model && emitChanged) emit model->layoutChanged(); - if (emitChanged && model) - model->d_func()->itemChanged(item); + if (emitChanged && model) { + if (item) { + model->d_func()->itemChanged(item); + } else { + const QModelIndex idx = model->index(row, column, q->index()); + emit model->dataChanged(idx, idx); + } + } } @@ -174,7 +180,9 @@ void QStandardItemPrivate::childDeleted(QStandardItem *child) { int index = childIndex(child); Q_ASSERT(index != -1); + const auto modelIndex = child->index(); children.replace(index, 0); + emit model->dataChanged(modelIndex, modelIndex); } /*! @@ -476,6 +484,7 @@ bool QStandardItemPrivate::insertColumns(int column, int count, const QList<QSta void QStandardItemModelPrivate::itemChanged(QStandardItem *item) { Q_Q(QStandardItemModel); + Q_ASSERT(item); if (item->d_func()->parent == 0) { // Header item int idx = columnHeaderItems.indexOf(item); @@ -1721,6 +1730,8 @@ bool QStandardItem::hasChildren() const item) takes ownership of \a item. If necessary, the row count and column count are increased to fit the item. + \note Passing a null pointer as \a item removes the item. + \sa child() */ void QStandardItem::setChild(int row, int column, QStandardItem *item) |