1 use crate::{ 2 app::{App, AppResult}, 3 backend::event::BackendEvent, 4 }; 5 use crossterm::event::{KeyCode, KeyEvent, KeyModifiers}; 6 7 /// Handles the key events and updates the state of [`App`]. 8 pub fn handle_key_events(key_event: KeyEvent, app: &mut App) -> AppResult<()> { 9 match key_event.code { 10 // Exit application on `ESC` or `q` 11 KeyCode::Esc | KeyCode::Char('q') => { 12 app.quit(); 13 } 14 // Exit application on `Ctrl-C` 15 KeyCode::Char('c') | KeyCode::Char('C') => { 16 if key_event.modifiers == KeyModifiers::CONTROL { 17 app.quit(); 18 } 19 } 20 // Counter handlers 21 KeyCode::Right => { 22 app.increment_counter(); 23 } 24 KeyCode::Left => { 25 app.decrement_counter(); 26 } 27 // Other handlers you could add here. 28 _ => {} 29 } 30 Ok(()) 31 } 32 33 pub fn handle_backend_events(_backend_event: BackendEvent, _app: &mut App) -> AppResult<()> { 34 return Ok(()); 35 } 36