From 9ac429aa26529af2f753d01fe6e4fe5046bdf30f Mon Sep 17 00:00:00 2001
From: Rose Hogenson <rosehogenson@posteo.net>
Date: Sat, 6 Jan 2024 13:57:32 -0800
Subject: Implement backspace.

---
 src/term.rs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/term.rs')

diff --git a/src/term.rs b/src/term.rs
index c23dc4e..8f44b23 100644
--- a/src/term.rs
+++ b/src/term.rs
@@ -65,12 +65,14 @@ pub enum Key {
     Down,
     Left,
     Right,
+    Backspace,
     Char(u8),
 }
 
 pub fn read_key(stdin: &mut Stdin) -> Result<Key, Box<dyn Error>> {
     const CTRL_Q: u8 = 17;
     const CTRL_S: u8 = 19;
+    const BACKSPACE: u8 = 127;
     const ESC: u8 = 27;
 
     loop {
@@ -82,6 +84,9 @@ pub fn read_key(stdin: &mut Stdin) -> Result<Key, Box<dyn Error>> {
         if buf[0] == CTRL_S {
             return Ok(Key::CtrlS);
         }
+        if buf[0] == BACKSPACE {
+            return Ok(Key::Backspace);
+        }
         if buf[0] != ESC {
             return Ok(Key::Char(buf[0]));
         }
-- 
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