试了好多方式，
使用这个 combobox->view()->selectionModel()->select(index,QItemSelectionModel::SelectCurrent)也不行
使用这个 combobox->view()->selectionModel()->select(index,QItemSelectionModel::SelectCurrent)也不行
This topic created in 2706 days ago, the information mentioned may be changed or developed.
Supplement 1 · Jan 16, 2019
解决了,用 setcurrentText 只能设置第一层节点，所以自己实现了下
``` cpp
void TreeCombobox::setCurText(QString text)
{
QAbstractItemModel *model = this->view()->model();
QModelIndexList Items = model->match(model->index(0, 0),Qt::DisplayRole,QVariant::fromValue(text), 2, Qt::MatchRecursive); // look *
for(QModelIndex index : Items){
this->setRootModelIndex(index.parent());
this->setModelColumn(index.column());
this->setCurrentIndex(index.row());
this->setRootModelIndex(QModelIndex());
this->view()->setCurrentIndex(index);
}
}
```
``` cpp
void TreeCombobox::setCurText(QString text)
{
QAbstractItemModel *model = this->view()->model();
QModelIndexList Items = model->match(model->index(0, 0),Qt::DisplayRole,QVariant::fromValue(text), 2, Qt::MatchRecursive); // look *
for(QModelIndex index : Items){
this->setRootModelIndex(index.parent());
this->setModelColumn(index.column());
this->setCurrentIndex(index.row());
this->setRootModelIndex(QModelIndex());
this->view()->setCurrentIndex(index);
}
}
```
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