Struct newt::callbacks::HelpCallback

pub struct HelpCallback<FN, T> where
    FN: FnMut(&Form, Option<&T>),  { /* fields omitted */ }

A callback called when F1 is pressed while a Form is running.

Methods

impl<FN, T> HelpCallback<FN, T> where
    FN: FnMut(&Form, Option<&T>), 

pub fn new(
    _scrollbar: Option<&VerticalScrollbar>,
    form_flags: i32,
    function: FN,
    data: Option<T>
) -> (Form, Box<HelpCallback<FN, T>>)

Initialize a new Form and associate the function or closure function as a HelpCallback. The callback will be executed when F1 is pressed while the Form is running. The new Form and HelpCallback are returned as a tuple pair.

• _scrollbar - A VerticalScrollbar to be attached to the created form unused.
• form_flags - The flags the form is to be initialized with.
• function - The function or closure to associate with the Form.
• data - The optional user data to pass to the function.