rgx/input/
handler.rs

1use crate::app::App;
2use crate::ui;
3use crossterm::event::{KeyCode, KeyEvent};
4
5pub fn handle_help_key(app: &mut App, key: KeyEvent) {
6    let max_scroll = app.help_page_max_scroll();
7    match key.code {
8        KeyCode::Down | KeyCode::Char('j') => {
9            if app.help_scroll_offset < max_scroll {
10                app.help_scroll_offset = app.help_scroll_offset.saturating_add(1);
11            }
12        }
13        KeyCode::Up | KeyCode::Char('k') => {
14            app.help_scroll_offset = app.help_scroll_offset.saturating_sub(1);
15        }
16        KeyCode::Left | KeyCode::Char('h') => {
17            app.overlay.help_page = app.overlay.help_page.saturating_sub(1);
18            app.help_scroll_offset = 0;
19        }
20        KeyCode::Right | KeyCode::Char('l') => {
21            if app.overlay.help_page + 1 < ui::HELP_PAGE_COUNT {
22                app.overlay.help_page += 1;
23                app.help_scroll_offset = 0;
24            }
25        }
26        _ => {
27            app.overlay.help = false;
28            app.overlay.help_page = 0;
29            app.help_scroll_offset = 0;
30        }
31    }
32}
rgx/input/handler.rs

rgx/input/
handler.rs
