xonsh/xontrib/whole_word_jumping.py
2017-06-19 21:18:18 +02:00

32 lines
1,013 B
Python

"""Jumping across whole words (non-whitespace) with Ctrl+Left/Right.
Alt+Left/Right remains unmodified to jump over smaller word segments.
"""
from prompt_toolkit.keys import Keys
__all__ = ()
@events.on_ptk_create
def custom_keybindings(bindings, **kw):
# Key bindings for jumping over whole words (everything that's not
# white space) using Ctrl+Left and Ctrl+Right;
# Alt+Left and Alt+Right still jump over smaller word segments.
# See https://github.com/xonsh/xonsh/issues/2403
handler = bindings.registry.add_binding
@handler(Keys.ControlLeft)
def ctrl_left(event):
buff = event.current_buffer
pos = buff.document.find_previous_word_beginning(count=event.arg, WORD=True)
if pos:
buff.cursor_position += pos
@handler(Keys.ControlRight)
def ctrl_right(event):
buff = event.current_buffer
pos = buff.document.find_next_word_ending(count=event.arg, WORD=True)
if pos:
buff.cursor_position += pos