-void NickListWidget::removeBuffer(BufferId bufferId) {
- if(!nickViews.contains(bufferId))
- return;
-
- NickView *view = nickViews.take(bufferId);
- ui.stackedWidget->removeWidget(view);
- QAbstractItemModel *model = view->model();
- view->setModel(0);
- if(QSortFilterProxyModel *filter = qobject_cast<QSortFilterProxyModel *>(model))
- filter->setSourceModel(0);
- model->deleteLater();
- view->deleteLater();
+void NickListWidget::rowsAboutToBeRemoved(const QModelIndex& parent, int start, int end)
+{
+ Q_ASSERT(model());
+ if (!parent.isValid()) {
+ // ok this means that whole networks are about to be removed
+ // we can't determine which buffers are affect, so we hope that all nets are removed
+ // this is the most common case (for example disconnecting from the core or terminating the clint)
+ NickView* nickView;
+ QHash<BufferId, NickView*>::iterator iter = nickViews.begin();
+ while (iter != nickViews.end()) {
+ nickView = *iter;
+ iter = nickViews.erase(iter);
+ ui.stackedWidget->removeWidget(nickView);
+ QAbstractItemModel* model = nickView->model();
+ nickView->setModel(nullptr);
+ if (auto* filter = qobject_cast<QSortFilterProxyModel*>(model))
+ filter->setSourceModel(nullptr);
+ model->deleteLater();
+ nickView->deleteLater();
+ }
+ }
+ else {
+ // check if there are explicitly buffers removed
+ for (int i = start; i <= end; i++) {
+ QVariant variant = parent.model()->index(i, 0, parent).data(NetworkModel::BufferIdRole);
+ if (!variant.isValid())
+ continue;
+
+ BufferId bufferId = variant.value<BufferId>();
+ removeBuffer(bufferId);
+ }
+ }