kitty/kittens/tui/operations.py
2018-02-08 22:16:39 +05:30

95 lines
2.7 KiB
Python

#!/usr/bin/env python
# vim:fileencoding=utf-8
# License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
from kitty.terminfo import string_capabilities
S7C1T = b'\033 F'
SAVE_CURSOR = b'\0337'
RESTORE_CURSOR = b'\0338'
SAVE_PRIVATE_MODE_VALUES = b'\033[?s'
RESTORE_PRIVATE_MODE_VALUES = b'\033[?r'
MODES = dict(
LNM=(20, ''),
IRM=(4, ''),
DECKM=(1, '?'),
DECSCNM=(5, '?'),
DECOM=(6, '?'),
DECAWM=(6, '?'),
DECARM=(8, '?'),
DECTCEM=(25, '?'),
MOUSE_BUTTON_TRACKING=(1000, '?'),
MOUSE_MOTION_TRACKING=(1002, '?'),
MOUSE_MOVE_TRACKING=(1003, '?'),
FOCUS_TRACKING=(1004, '?'),
MOUSE_UTF8_MODE=(1005, '?'),
MOUSE_SGR_MODE=(1006, '?'),
MOUSE_URXVT_MODE=(1015, '?'),
ALTERNATE_SCREEN=(1049, '?'),
BRACKETED_PASTE=(2004, '?'),
EXTENDED_KEYBOARD=(2017, '?'),
)
def set_mode(which, private=True):
num, private = MODES[which]
return '\033[{}{}h'.format(private, num).encode('ascii')
def reset_mode(which):
num, private = MODES[which]
return '\033[{}{}l'.format(private, num).encode('ascii')
def clear_screen():
return string_capabilities['clear'].replace(r'\E', '\033').encode('ascii')
def set_window_title(value):
return ('\033]2;' + value.replace('\033', '').replace('\x9c', '') + '\033\\').encode('utf-8')
def set_line_wrapping(yes_or_no):
return (set_mode if yes_or_no else reset_mode)('DECAWM')
STANDARD_COLORS = {name: i for i, name in enumerate(
'black red green yellow blue magenta cyan gray'.split())}
def colored(text, color, intense=False):
if isinstance(color, str):
e = (90 if intense else 30) + STANDARD_COLORS[color]
elif isinstance(color, int):
e = '38:5:{}'.format(max(0, min(color, 255)))
else:
e = '38:2:{}:{}:{}'.format(*color)
return '\033[{}m{}\033[39m'.format(e, text)
def init_state(alternate_screen=True):
ans = (
S7C1T + SAVE_CURSOR + SAVE_PRIVATE_MODE_VALUES + reset_mode('LNM') +
reset_mode('IRM') + reset_mode('DECKM') + reset_mode('DECSCNM') +
set_mode('DECARM') + reset_mode('DECOM') + set_mode('DECAWM') +
set_mode('DECTCEM') + reset_mode('MOUSE_BUTTON_TRACKING') +
reset_mode('MOUSE_MOTION_TRACKING') + reset_mode('MOUSE_MOVE_TRACKING')
+ reset_mode('FOCUS_TRACKING') + reset_mode('MOUSE_UTF8_MODE') +
reset_mode('MOUSE_SGR_MODE') + reset_mode('MOUSE_UTF8_MODE') +
set_mode('BRACKETED_PASTE') + set_mode('EXTENDED_KEYBOARD')
)
if alternate_screen:
ans += set_mode('ALTERNATE_SCREEN')
ans += clear_screen()
return ans
def reset_state(normal_screen=True):
ans = b''
if normal_screen:
ans += reset_mode('ALTERNATE_SCREEN')
ans += RESTORE_PRIVATE_MODE_VALUES
ans += RESTORE_CURSOR
return ans