QSqlRelationalDelegate Class | Qt SQL (original) (raw)
The QSqlRelationalDelegate class provides a delegate that is used to display and edit data from a QSqlRelationalTableModel. More...
| Header: | #include |
|---|---|
| CMake: | find_package(Qt6 REQUIRED COMPONENTS Sql) target_link_libraries(mytarget PRIVATE Qt6::Sql) |
| qmake: | QT += sql |
| Inherits: | QStyledItemDelegate |
Public Functions
Reimplemented Public Functions
| virtual QWidget * | createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override |
|---|---|
| virtual void | setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const override |
Detailed Description
Unlike the default delegate, QSqlRelationalDelegate provides a combobox for fields that are foreign keys into other tables. To use the class, simply call QAbstractItemView::setItemDelegate() on the view with an instance of QSqlRelationalDelegate:
The Relational Table Model example (shown below) illustrates how to use QSqlRelationalDelegate in conjunction with QSqlRelationalTableModel to provide tables with foreign key support.
See also QSqlRelationalTableModel and Model/View Programming.
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