Use a bar cursor for LineEdit

kittens/tui/line_edit.py

@@ -7,7 +7,9 @@ from typing import Callable, Tuple
 from kitty.fast_data_types import truncate_point_for_length, wcswidth
 from kitty.key_encoding import EventType, KeyEvent
 
-from .operations import RESTORE_CURSOR, SAVE_CURSOR, move_cursor_by
+from .operations import (
+    RESTORE_CURSOR, SAVE_CURSOR, move_cursor_by, set_cursor_shape
+)
 
 
 class LineEdit:
@@ -48,6 +50,7 @@ class LineEdit:
             write('\r')
             if cursor_pos:
                 write(move_cursor_by(cursor_pos, 'right'))
+            write(set_cursor_shape('bar'))
 
     def add_text(self, text: str) -> None:
         if self.current_input: