Emitted when an action widget is clicked, the dialog receives a
delete event, or the application programmer calls Dialog.response.
On a delete event, the response ID is GTK_RESPONSE_DELETE_EVENT
Otherwise, it depends on which action widget was clicked.
Emitted when an action widget is clicked, the dialog receives a delete event, or the application programmer calls Dialog.response. On a delete event, the response ID is GTK_RESPONSE_DELETE_EVENT Otherwise, it depends on which action widget was clicked.