kitty/kitty/key_encoding.py
Kovid Goyal a66d2b0890 Ensure the extended keyboard protocol key encoding is stable
Also use base85 instead of base64 for keyname encoding to reduce average
length
2017-02-11 10:41:04 +05:30

191 lines
3.9 KiB
Python

#!/usr/bin/env python
# vim:fileencoding=utf-8
# License: GPL v3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
import string
from . import fast_data_types as defines
# ENCODING {{{
ENCODING = {
'0': 'G',
'1': 'H',
'2': 'I',
'3': 'J',
'4': 'K',
'5': 'L',
'6': 'M',
'7': 'N',
'8': 'O',
'9': 'P',
'A': 'S',
'APOSTROPHE': 'B',
'B': 'T',
'BACKSLASH': 't',
'BACKSPACE': '1',
'C': 'U',
'CAPS LOCK': ':',
'COMMA': 'C',
'D': 'V',
'DELETE': '3',
'DOWN': '6',
'E': 'W',
'END': '-',
'ENTER': 'z',
'EQUAL': 'R',
'ESCAPE': 'y',
'F': 'X',
'F1': '/',
'F10': ']',
'F11': '{',
'F12': '}',
'F13': '@',
'F14': '%',
'F15': '$',
'F16': '#',
'F17': 'BA',
'F18': 'BB',
'F19': 'BC',
'F2': '*',
'F20': 'BD',
'F21': 'BE',
'F22': 'BF',
'F23': 'BG',
'F24': 'BH',
'F25': 'BI',
'F3': '?',
'F4': '&',
'F5': '<',
'F6': '>',
'F7': '(',
'F8': ')',
'F9': '[',
'G': 'Y',
'GRAVE ACCENT': 'v',
'H': 'Z',
'HOME': '.',
'I': 'a',
'INSERT': '2',
'J': 'b',
'K': 'c',
'KP 0': 'BJ',
'KP 1': 'BK',
'KP 2': 'BL',
'KP 3': 'BM',
'KP 4': 'BN',
'KP 5': 'BO',
'KP 6': 'BP',
'KP 7': 'BQ',
'KP 8': 'BR',
'KP 9': 'BS',
'KP ADD': 'BX',
'KP DECIMAL': 'BT',
'KP DIVIDE': 'BU',
'KP ENTER': 'BY',
'KP EQUAL': 'BZ',
'KP MULTIPLY': 'BV',
'KP SUBTRACT': 'BW',
'L': 'd',
'LEFT': '5',
'LEFT ALT': 'Bc',
'LEFT BRACKET': 's',
'LEFT CONTROL': 'Bb',
'LEFT SHIFT': 'Ba',
'LEFT SUPER': 'Bd',
'M': 'e',
'MINUS': 'D',
'N': 'f',
'NUM LOCK': '=',
'O': 'g',
'P': 'h',
'PAGE DOWN': '9',
'PAGE UP': '8',
'PAUSE': '!',
'PERIOD': 'E',
'PRINT SCREEN': '^',
'Q': 'i',
'R': 'j',
'RIGHT': '4',
'RIGHT ALT': 'Bg',
'RIGHT BRACKET': 'u',
'RIGHT CONTROL': 'Bf',
'RIGHT SHIFT': 'Be',
'RIGHT SUPER': 'Bh',
'S': 'k',
'SCROLL LOCK': '+',
'SEMICOLON': 'Q',
'SLASH': 'F',
'SPACE': 'A',
'T': 'l',
'TAB': '0',
'U': 'm',
'UP': '7',
'V': 'n',
'W': 'o',
'WORLD 1': 'w',
'WORLD 2': 'x',
'X': 'p',
'Y': 'q',
'Z': 'r'
}
# END_ENCODING }}}
def encode(
integer,
chars=string.ascii_uppercase + string.ascii_lowercase + string.digits +
'.-:+=^!/*?&<>()[]{}@%$#'
):
ans = ''
d = len(chars)
while True:
integer, remainder = divmod(integer, d)
ans = chars[remainder] + ans
if integer == 0:
break
return ans
def symbolic_name(glfw_name):
return glfw_name[9:].replace('_', ' ')
def generate_extended_key_map(symbolic=False):
keys = (a for a in dir(defines) if a.startswith('GLFW_KEY_'))
ans = {}
for k in keys:
name = symbolic_name(k)
enc = ENCODING.get(name)
if name is not None:
ans[getattr(defines, k)] = enc
return ans
def update_encoding():
import re
import subprocess
from pprint import pformat
keys = {a for a in dir(defines) if a.startswith('GLFW_KEY_')}
ans = ENCODING
i = len(ans)
for k in sorted(keys, key=lambda k: getattr(defines, k)):
val = getattr(defines, k)
name = symbolic_name(k)
if val < defines.GLFW_KEY_LAST and val != defines.GLFW_KEY_UNKNOWN and name not in ans:
ans[name] = encode(i)
i += 1
with open(__file__, 'r+') as f:
raw = f.read()
nraw = re.sub(
r'^ENCODING = {.+^# END_ENCODING',
'ENCODING = {}\n# END_ENCODING'.format(pformat(ans, indent=4)),
raw,
flags=re.MULTILINE | re.DOTALL
)
if raw == nraw:
raise SystemExit('Failed to replace ENCODING dict')
f.seek(0), f.truncate()
f.write(nraw)
subprocess.check_call(['yapf', '-i', __file__])