From 68d763add972c346410c6b9908b516a2ea411341 Mon Sep 17 00:00:00 2001
From: _ov4 <ov4@ov4.org>
Date: Mon, 12 Oct 2026 07:33:04 +0000
Subject: fix backspace

---
 src/line/cursor.cc | 14 ++++++++++----
 src/line/input.cc  |  7 +++++++
 2 files changed, 17 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/line/cursor.cc b/src/line/cursor.cc
index 538dfca..f95f008 100644
--- a/src/line/cursor.cc
+++ b/src/line/cursor.cc
@@ -74,7 +74,7 @@ void cursor_input_char(char c)
     // it should move to the latest history
     history_index = get_last_index();
     // normal input
-    if (c != '\b')
+    if (c != '\b' && c != '\x7f')
     {
         line_buffer.insert(buffer_index_cursor, 1, c);
         move_cursor(T_cursor_movement_direction::RIGHT);
@@ -83,9 +83,15 @@ void cursor_input_char(char c)
     }
 
     // BACKSPACE
-    line_buffer.erase(buffer_index_cursor, 1);
-    // TODO: backspace page
-    move_cursor(T_cursor_movement_direction::LEFT);
+    if (buffer_index_cursor != 0)
+    {
+        line_buffer.erase(buffer_index_cursor-1, 1);
+        move_cursor(T_cursor_movement_direction::LEFT);
+    }
+    else
+    {
+        print("\a"); fflush(stdout);
+    }
     
 }
 
diff --git a/src/line/input.cc b/src/line/input.cc
index 9c593f7..cc5a62b 100644
--- a/src/line/input.cc
+++ b/src/line/input.cc
@@ -69,6 +69,13 @@ string readline()
 
                 move_cursor(seq[1]);
             }
+
+            // backspace
+            else if (c == '\b' || c == '\x7f')
+            {
+                cursor_input_char(c);
+                print_override(line_buffer);
+            }
         }
 
         // normal char
-- 
cgit v1.3.1-4-g156e