3 def __mdw_hack_bindings():
6 import prompt_toolkit as PTK
9 with open('/dev/tty', 'w') as f: f.write('\a')
11 ## Key bindings. Alas, IPython's attempt at Emacs keybindings is abysmal.
14 BUF = PTK.enums.DEFAULT_BUFFER
15 ipy = IPY.get_ipython()
17 except AttributeError: return
19 reg = pt.application.key_bindings_registry
20 try: bind = reg.add_binding
21 except AttributeError:
22 bind = PTK.key_binding.bindings.utils.create_handle_decorator(reg)
24 def inhibit_history_search(buf, fn):
25 searchp, searchtext = \
26 buf.enable_history_search, buf.history_search_text
27 buf.enable_history_search = F.Never()
31 buf.enable_history_search, buf.history_search_text = \
35 buf = ev.current_buffer
36 if buf.document.cursor_position_row > 0:
38 elif not buf.selection_state:
39 inhibit_history_search(buf, lambda: buf.history_backward())
42 buf = ev.current_buffer
43 if buf.document.cursor_position_row < buf.document.line_count - 1:
45 elif not buf.selection_state:
46 inhibit_history_search(buf, lambda: buf.history_forward())
48 bind(K.Escape, u'p')(lambda ev: ev.current_buffer.history_backward())
49 bind(K.Escape, u'n')(lambda ev: ev.current_buffer.history_forward())
52 del __mdw_hack_bindings