adding support for alt+ctrl+h to delete backward word

Author: vinaybantupalli

codex-rs/tui/src/bottom_pane/textarea.rs

@@ -231,6 +231,13 @@ impl TextArea {
                 code: KeyCode::Enter,
                 ..
             } => self.insert_str("\n"),
+            KeyEvent {
+                code: KeyCode::Char('h'),
+                modifiers,
+                ..
+            } if modifiers == (KeyModifiers::CONTROL | KeyModifiers::ALT) => {
+                self.delete_backward_word()
+            },
             KeyEvent {
                 code: KeyCode::Backspace,
                 modifiers: KeyModifiers::ALT,
@@ -1171,6 +1178,30 @@ mod tests {
         assert_eq!(t.cursor(), 2);
     }
 
+    #[test]
+    fn delete_backward_word_alt_keys() {
+        use crossterm::event::KeyCode;
+        use crossterm::event::KeyEvent;
+        use crossterm::event::KeyModifiers;
+
+        // Test the custom Alt+Ctrl+h binding
+        let mut t = ta_with("hello world");
+        t.set_cursor(t.text().len()); // cursor at the end
+        t.input(KeyEvent::new(
+            KeyCode::Char('h'),
+            KeyModifiers::CONTROL | KeyModifiers::ALT,
+        ));
+        assert_eq!(t.text(), "hello ");
+        assert_eq!(t.cursor(), 6);
+
+        // Test the standard Alt+Backspace binding
+        let mut t = ta_with("hello world");
+        t.set_cursor(t.text().len()); // cursor at the end
+        t.input(KeyEvent::new(KeyCode::Backspace, KeyModifiers::ALT));
+        assert_eq!(t.text(), "hello ");
+        assert_eq!(t.cursor(), 6);
+    }
+
     #[test]
     fn cursor_vertical_movement_across_lines_and_bounds() {
         let mut t = ta_with("short\nloooooooooong\nmid");