From c7c2905b407b446978d63fb500a4f1780dbc1d3c Mon Sep 17 00:00:00 2001
From: ami-chuu <amichuu73@proton.me>
Date: Mon, 30 Mar 2026 18:23:08 +0300
Subject: [PATCH] Added Backspace Support

---
 src/interrupts.rs | 11 +++++++++--
 src/vga_buffer.rs |  8 ++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/interrupts.rs b/src/interrupts.rs
index 956b7d0..b9e1ba9 100644
--- a/src/interrupts.rs
+++ b/src/interrupts.rs
@@ -72,8 +72,15 @@ extern "x86-interrupt" fn keyboard_interrupt_handler(_stack_frame: InterruptStac
     if let Ok(Some(key_event)) = keyboard.add_byte(scancode) {
         if let Some(key) = keyboard.process_keyevent(key_event) {
             match key {
-                DecodedKey::Unicode(character) => print!("{}", character),
-                DecodedKey::RawKey(key) => print!("{:?}", key),
+                DecodedKey::Unicode(character) => match character {
+                    '\x08' => {
+                        use crate::vga_buffer::WRITER;
+                        WRITER.lock().backspace();
+                    }
+                    _ => print!("{}", character),
+                },
+                //DecodedKey::RawKey(key) => print!("{:?}", key),
+                DecodedKey::RawKey(_) => {} // ignoring raw keys
             }
         }
     }
diff --git a/src/vga_buffer.rs b/src/vga_buffer.rs
index 0366321..8f28833 100644
--- a/src/vga_buffer.rs
+++ b/src/vga_buffer.rs
@@ -109,6 +109,14 @@ impl Writer {
             }
         }
     }
+
+    pub fn backspace(&mut self) {
+        if self.column_position > 0 {
+            self.column_position -= 1;
+            self.write_byte(b' ');
+            self.column_position -= 1;
+        }
+    }
 }
 
 impl fmt::Write for Writer {