Context menu with Cursive

example.rs

use cursive::event::{Event, Key};
use cursive::traits::*;
use cursive::views::{Dialog, EditView, OnEventView, TextArea};
use cursive::Cursive;
use cursive::view::Boxable;
use cursive::views::SelectView;
use cursive::event::EventResult;
use cursive::align::HAlign;

use cursive_context_menu::ContextMenu;

fn main() {
    let mut siv = Cursive::default();

    siv.add_layer(
        Dialog::new()
            .title("Describe your issue")
            .padding((1, 1, 1, 0))
            .content({
                OnEventView::new(TextArea::new().with_id("text"))
                    .on_event(Event::CtrlChar('f'), |s| {
                        s.add_layer({
                            let mut select = SelectView::new()
                                // Center the text horizontally
                                .h_align(HAlign::Center)
                                // Use keyboard to jump to the pressed letters
                                .autojump();

                                select.add_all_str({
                                    ["foo", "bar", "Baz"].iter().map(ToString::to_string).collect::<Vec<String>>()
                                });

                                select.set_on_submit(|s, selection: &str| {
                                    s.call_on_id("text", |v: &mut TextArea| {
                                        let cursor_pos = v.cursor();
                                        let content = v.get_content();
                                        let (left, right) = content.split_at(cursor_pos);
                                        v.set_content(format!("{}{}{}", left, selection, right));
                                    });

                                    s.pop_layer();
                                });
                            OnEventView::new(select)
                                .on_pre_event_inner('k', |s, _| {
                                    s.select_up(1);
                                    Some(EventResult::Consumed(None))
                                })
                                .on_pre_event_inner('j', |s, _| {
                                    s.select_down(1);
                                    Some(EventResult::Consumed(None))
                                })
                        })
                    })
            })
            .button("Ok", Cursive::quit)
            .fixed_size((20, 20))
    );

    // We'll add a find feature!
    siv.add_layer(Dialog::info("Hint: press Ctrl-F to find in text!"));
    siv.run();
}