deprecated: 3.10 since: 2.4
The ::add-widget signal is emitted for each generated menubar and toolbar. It is not emitted for generated popup menus, which can be obtained by gtk_ui_manager_get_widget().
|Default handler: |
The default handler is called before the handlers added via
|Signal emission will restart instead of recursing|
|Available since: 2.4|
|Deprecated since: 3.10|
Please do not use it in newly written code.
The added widget.
The data is owned by the caller of the function.