Add j/k navigation to select example
extern crate cursive;
use cursive::Cursive;
-use cursive::views::{Dialog, SelectView, TextView};
use cursive::align::HAlign;
+use cursive::event::EventResult;
use cursive::traits::*;
+use cursive::views::{Dialog, OnEventView, SelectView, TextView};
fn main() {
let mut select = SelectView::new().h_align(HAlign::Center);
@@ -16,11 +17,24 @@ fn main() {
// Sets the callback for when "Enter" is pressed.
select.set_on_submit(show_next_window);
+ // Let's override the `j` and `k` keys for navigation
+ let select = 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))
+ });
+
let mut siv = Cursive::new();
// Let's add a BoxView to keep the list at a reasonable size - it can scroll anyway.
- siv.add_layer(Dialog::around(select.fixed_size((20, 10)))
- .title("Where are you from?"));
+ siv.add_layer(
+ Dialog::around(select.fixed_size((20, 10)))
+ .title("Where are you from?"),
+ );
siv.run();
}
@@ -29,6 +43,7 @@ fn main() {
fn show_next_window(siv: &mut Cursive, city: &str) {
siv.pop_layer();
let text = format!("{} is a great city!", city);
- siv.add_layer(Dialog::around(TextView::new(text))
- .button("Quit", |s| s.quit()));
+ siv.add_layer(
+ Dialog::around(TextView::new(text)).button("Quit", |s| s.quit()),
+ );
}
