parse control, ignore ^C

src/key.rs

@@ -5,6 +5,7 @@ pub enum Key {
     Char(char),
     Enter,
     Backspace,
+    Ctrl(char),
     Escape,
     ArrowUp,
     ArrowDown,
@@ -32,6 +33,9 @@ impl From<u8> for Key {
                     _ => Key::Unknown(vec![27, buf[0], buf[1]]),
                 }
             }
+            1..=26 => {
+                Key::Ctrl((byte as u8 + b'a' - 1) as char)
+            }
             char if char.is_ascii() => Key::Char(byte as char),
             byte => Key::Unknown(vec![byte]),
         }

src/main.rs

@@ -44,6 +44,15 @@ fn handle_input(stdin: &mut Stdin, stdout: &mut Stdout, data: &mut Data) -> io::
         let key = Key::from(buffer[0]);
 
         match key {
+            Key::Ctrl('c') => {
+                
+            }
+            Key::Ctrl('d') => {
+                break;
+            }
+            Key::Ctrl(_) => {
+
+            }
             Key::Enter => {
                 data.add_to_hist(input.clone());
                 write!(stdout, "\r\n")?;