Files
kitty/kitty/config.py

653 lines
18 KiB
Python

#!/usr/bin/env python
# vim:fileencoding=utf-8
# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
import json
import os
import re
import sys
from collections import namedtuple
from contextlib import contextmanager
from . import fast_data_types as defines
from .config_utils import (
init_config, key_func, load_config as _load_config, merge_dicts,
parse_config_base, positive_float, positive_int, python_string, to_bool,
to_cmdline, to_color, unit_float
)
from .constants import cache_dir, defconf
from .fast_data_types import CURSOR_BEAM, CURSOR_BLOCK, CURSOR_UNDERLINE
from .layout import all_layouts
from .rgb import color_as_int, color_from_int
from .utils import log_error
MINIMUM_FONT_SIZE = 4
def to_font_size(x):
return max(MINIMUM_FONT_SIZE, float(x))
cshapes = {
'block': CURSOR_BLOCK,
'beam': CURSOR_BEAM,
'underline': CURSOR_UNDERLINE
}
def to_cursor_shape(x):
try:
return cshapes[x.lower()]
except KeyError:
raise ValueError(
'Invalid cursor shape: {} allowed values are {}'.format(
x, ', '.join(cshapes)
)
)
mod_map = {'CTRL': 'CONTROL', 'CMD': 'SUPER', '': 'SUPER', '': 'ALT', 'OPTION': 'ALT', 'KITTY_MOD': 'KITTY'}
def parse_mods(parts, sc):
def map_mod(m):
return mod_map.get(m, m)
mods = 0
for m in parts:
try:
mods |= getattr(defines, 'GLFW_MOD_' + map_mod(m.upper()))
except AttributeError:
log_error('Shortcut: {} has unknown modifier, ignoring'.format(sc))
return
return mods
named_keys = {
"'": 'APOSTROPHE',
',': 'COMMA',
'-': 'MINUS',
'.': 'PERIOD',
'/': 'SLASH',
';': 'SEMICOLON',
'=': 'EQUAL',
'[': 'LEFT_BRACKET',
']': 'RIGHT_BRACKET',
'`': 'GRAVE_ACCENT'
}
def parse_shortcut(sc):
parts = sc.split('+')
mods = parse_mods(parts[:-1], sc)
if mods is None:
return None, None
key = parts[-1].upper()
key = getattr(defines, 'GLFW_KEY_' + named_keys.get(key, key), None)
if key is not None:
return mods, key
return mods, None
KeyAction = namedtuple('KeyAction', 'func args')
func_with_args, args_funcs = key_func()
@func_with_args(
'pass_selection_to_program', 'new_window', 'new_tab', 'new_os_window',
'new_window_with_cwd', 'new_tab_with_cwd', 'new_os_window_with_cwd'
)
def shlex_parse(func, rest):
return func, to_cmdline(rest)
@func_with_args('combine')
def combine_parse(func, rest):
sep, rest = rest.split(' ', 1)
parts = re.split(r'\s*' + re.escape(sep) + r'\s*', rest)
args = tuple(map(parse_key_action, filter(None, parts)))
return func, args
@func_with_args('send_text')
def send_text_parse(func, rest):
args = rest.split(' ', 1)
if len(args) > 0:
try:
args[1] = parse_send_text_bytes(args[1])
except Exception:
log_error('Ignoring invalid send_text string: ' + args[1])
args[1] = ''
return func, args
@func_with_args('run_kitten', 'run_simple_kitten', 'kitten')
def kitten_parse(func, rest):
if func == 'kitten':
args = rest.split(' ', 1)
else:
args = rest.split(' ', 2)[1:]
func = 'kitten'
return func, args
@func_with_args('goto_tab')
def goto_tab_parse(func, rest):
args = (max(0, int(rest)), )
return func, args
@func_with_args('set_background_opacity', 'goto_layout', 'kitty_shell')
def simple_parse(func, rest):
return func, [rest]
@func_with_args('set_font_size')
def float_parse(func, rest):
return func, (float(rest),)
@func_with_args('change_font_size')
def parse_change_font_size(func, rest):
vals = rest.split(' ', 1)
if len(vals) != 2:
log_error('Invalid change_font_size specification: {}, treating it as default'.format(rest))
args = [True, None, 0]
else:
args = [vals[0].lower() == 'all', None, 0]
amt = vals[1]
if amt[0] in '+-':
args[1] = amt[0]
amt = amt[1:]
args[2] = float(amt)
return func, args
def parse_key_action(action):
parts = action.split(' ', 1)
func = parts[0]
if len(parts) == 1:
return KeyAction(func, ())
rest = parts[1]
parser = args_funcs.get(func)
if parser is not None:
try:
func, args = parser(func, rest)
except Exception:
log_error('Ignoring invalid key action: {}'.format(action))
return KeyAction(func, args)
all_key_actions = set()
sequence_sep = '>'
class KeyDefinition:
def __init__(self, is_sequence, action, mods, key, rest=()):
self.is_sequence = is_sequence
self.action = action
self.trigger = mods, key
self.rest = rest
def resolve(self, kitty_mod):
self.trigger = defines.resolve_key_mods(kitty_mod, self.trigger[0]), self.trigger[1]
self.rest = tuple((defines.resolve_key_mods(kitty_mod, mods), key) for mods, key in self.rest)
def parse_key(val, key_definitions):
sc, action = val.partition(' ')[::2]
sc, action = sc.strip().strip(sequence_sep), action.strip()
if not sc or not action:
return
is_sequence = sequence_sep in sc
if is_sequence:
trigger = None
rest = []
for part in sc.split(sequence_sep):
mods, key = parse_shortcut(part)
if key is None:
if mods is not None:
log_error('Shortcut: {} has unknown key, ignoring'.format(sc))
return
if trigger is None:
trigger = mods, key
else:
rest.append((mods, key))
rest = tuple(rest)
else:
mods, key = parse_shortcut(sc)
if key is None:
if mods is not None:
log_error('Shortcut: {} has unknown key, ignoring'.format(sc))
return
try:
paction = parse_key_action(action)
except Exception:
log_error('Invalid shortcut action: {}. Ignoring.'.format(
action))
else:
if paction is not None:
all_key_actions.add(paction.func)
if is_sequence:
key_definitions.append(KeyDefinition(True, paction, trigger[0], trigger[1], rest))
else:
key_definitions.append(KeyDefinition(False, paction, mods, key))
def parse_symbol_map(val):
parts = val.split(' ')
symbol_map = {}
def abort():
log_error('Symbol map: {} is invalid, ignoring'.format(
val))
return {}
if len(parts) < 2:
return abort()
family = ' '.join(parts[1:])
def to_chr(x):
if not x.startswith('U+'):
raise ValueError()
x = int(x[2:], 16)
return x
for x in parts[0].split(','):
a, b = x.partition('-')[::2]
b = b or a
try:
a, b = map(to_chr, (a, b))
except Exception:
return abort()
if b < a or max(a, b) > sys.maxunicode or min(a, b) < 1:
return abort()
symbol_map[(a, b)] = family
return symbol_map
def parse_send_text_bytes(text):
return python_string(text).encode('utf-8')
def parse_send_text(val, key_definitions):
parts = val.split(' ')
def abort(msg):
log_error('Send text: {} is invalid ({}), ignoring'.format(
val, msg))
return {}
if len(parts) < 3:
return abort('Incomplete')
mode, sc = parts[:2]
text = ' '.join(parts[2:])
key_str = '{} send_text {} {}'.format(sc, mode, text)
return parse_key(key_str, key_definitions)
def to_modifiers(val):
return parse_mods(val.split('+'), val) or 0
def uniq(vals, result_type=list):
seen = set()
seen_add = seen.add
return result_type(x for x in vals if x not in seen and not seen_add(x))
def to_layout_names(raw):
parts = [x.strip().lower() for x in raw.split(',')]
ans = []
for p in parts:
if p == '*':
ans.extend(sorted(all_layouts))
continue
name = p.partition(':')[0]
if name not in all_layouts:
raise ValueError('The window layout {} is unknown'.format(p))
ans.append(p)
return uniq(ans)
def adjust_line_height(x):
if x.endswith('%'):
return float(x[:-1].strip()) / 100.0
return int(x)
def macos_titlebar_color(x):
x = x.strip('"')
if x == 'system':
return 0
if x == 'background':
return 1
return (color_as_int(to_color(x)) << 8) | 2
def box_drawing_scale(x):
ans = tuple(float(x.strip()) for x in x.split(','))
if len(ans) != 4:
raise ValueError('Invalid box_drawing scale, must have four entries')
return ans
def tab_separator(x):
for q in '\'"':
if x.startswith(q) and x.endswith(q):
x = x[1:-1]
break
if not x.strip():
x = ('\xa0' * len(x)) if x else defaults.tab_separator
return x
def tab_font_style(x):
return {
'bold-italic': (True, True),
'bold': (True, False),
'italic': (False, True)
}.get(x.lower().replace('_', '-'), (False, False))
def tab_bar_edge(x):
return {'top': 1, 'bottom': 3}.get(x.lower(), 3)
def url_style(x):
return url_style.map.get(x, url_style.map['curly'])
def window_size(val):
val = val.lower()
unit = 'cells' if val.endswith('c') else 'px'
return positive_int(val.rstrip('c')), unit
url_style.map = dict(
((v, i) for i, v in enumerate('none single double curly'.split()))
)
type_map = {
'allow_remote_control': to_bool,
'adjust_line_height': adjust_line_height,
'adjust_column_width': adjust_line_height,
'scrollback_lines': positive_int,
'scrollback_pager': to_cmdline,
'open_url_with': to_cmdline,
'font_size': to_font_size,
'focus_follows_mouse': to_bool,
'cursor_shape': to_cursor_shape,
'open_url_modifiers': to_modifiers,
'rectangle_select_modifiers': to_modifiers,
'repaint_delay': positive_int,
'input_delay': positive_int,
'sync_to_monitor': to_bool,
'close_on_child_death': to_bool,
'window_border_width': positive_float,
'window_margin_width': positive_float,
'tab_bar_margin_width': positive_float,
'window_padding_width': positive_float,
'wheel_scroll_multiplier': float,
'visual_bell_duration': positive_float,
'enable_audio_bell': to_bool,
'click_interval': positive_float,
'mouse_hide_wait': positive_float,
'cursor_blink_interval': positive_float,
'cursor_stop_blinking_after': positive_float,
'enabled_layouts': to_layout_names,
'remember_window_size': to_bool,
'initial_window_width': window_size,
'initial_window_height': window_size,
'macos_hide_titlebar': to_bool,
'macos_hide_from_tasks': to_bool,
'macos_option_as_alt': to_bool,
'macos_titlebar_color': macos_titlebar_color,
'box_drawing_scale': box_drawing_scale,
'dynamic_background_opacity': to_bool,
'background_opacity': unit_float,
'dim_opacity': unit_float,
'tab_separator': tab_separator,
'active_tab_font_style': tab_font_style,
'inactive_tab_font_style': tab_font_style,
'inactive_text_alpha': unit_float,
'url_style': url_style,
'copy_on_select': to_bool,
'window_alert_on_bell': to_bool,
'tab_bar_edge': tab_bar_edge,
'bell_on_tab': to_bool,
'kitty_mod': to_modifiers,
'clear_all_shortcuts': to_bool,
'clipboard_control': lambda x: frozenset(x.lower().split()),
'window_resize_step_cells': int,
'window_resize_step_lines': int,
}
for name in (
'foreground background cursor active_border_color inactive_border_color'
' selection_foreground selection_background url_color bell_border_color'
).split():
type_map[name] = to_color
for i in range(256):
type_map['color{}'.format(i)] = to_color
for a in ('active', 'inactive'):
for b in ('foreground', 'background'):
type_map['%s_tab_%s' % (a, b)] = to_color
def special_handling(key, val, ans):
if key == 'map':
parse_key(val, ans['key_definitions'])
return True
if key == 'symbol_map':
ans['symbol_map'].update(parse_symbol_map(val))
return True
if key == 'send_text':
# For legacy compatibility
parse_send_text(val, ans['key_definitions'])
return True
if key == 'clear_all_shortcuts':
if to_bool(val):
ans['key_definitions'] = [None]
return
defaults = None
default_config_path = os.path.join(
os.path.dirname(os.path.abspath(__file__)), 'kitty.conf'
)
def parse_config(lines, check_keys=True):
ans = {'symbol_map': {}, 'keymap': {}, 'sequence_map': {}, 'key_definitions': []}
parse_config_base(
lines,
defaults,
type_map,
special_handling,
ans,
check_keys=check_keys
)
return ans
def parse_defaults(lines, check_keys=False):
ans = parse_config(lines, check_keys)
dfctl = defines.default_color_table()
for i in range(16, 256):
k = 'color{}'.format(i)
ans.setdefault(k, color_from_int(dfctl[i]))
return ans
Options, defaults = init_config(default_config_path, parse_defaults)
actions = frozenset(all_key_actions) | frozenset(
'run_simple_kitten combine send_text goto_tab goto_layout set_font_size new_tab_with_cwd new_window_with_cwd new_os_window_with_cwd'.
split()
)
no_op_actions = frozenset({'noop', 'no-op', 'no_op'})
def merge_configs(defaults, vals):
ans = {}
for k, v in defaults.items():
if isinstance(v, dict):
newvals = vals.get(k, {})
ans[k] = merge_dicts(v, newvals)
elif k == 'key_definitions':
ans['key_definitions'] = v + vals.get('key_definitions', [])
else:
ans[k] = vals.get(k, v)
return ans
def build_ansi_color_table(opts=defaults):
def as_int(x):
return (x[0] << 16) | (x[1] << 8) | x[2]
def col(i):
return as_int(getattr(opts, 'color{}'.format(i)))
return list(map(col, range(256)))
def atomic_save(data, path):
import tempfile
fd, p = tempfile.mkstemp(dir=os.path.dirname(path), suffix='.tmp')
try:
with os.fdopen(fd, 'wb') as f:
f.write(data)
os.rename(p, path)
finally:
try:
os.remove(p)
except FileNotFoundError:
pass
except Exception as err:
log_error('Failed to delete temp file {} for atomic save with error: {}'.format(
p, err))
@contextmanager
def cached_values_for(name):
cached_path = os.path.join(cache_dir(), name + '.json')
cached_values = {}
try:
with open(cached_path, 'rb') as f:
cached_values.update(json.loads(f.read().decode('utf-8')))
except FileNotFoundError:
pass
except Exception as err:
log_error('Failed to load cached in {} values with error: {}'.format(
name, err))
yield cached_values
try:
data = json.dumps(cached_values).encode('utf-8')
atomic_save(data, cached_path)
except Exception as err:
log_error('Failed to save cached values with error: {}'.format(
err))
def initial_window_size_func(opts, cached_values):
if 'window-size' in cached_values and opts.remember_window_size:
ws = cached_values['window-size']
try:
w, h = map(int, ws)
def initial_window_size(*a):
return w, h
return initial_window_size
except Exception:
log_error('Invalid cached window size, ignoring')
w, w_unit = opts.initial_window_width
h, h_unit = opts.initial_window_height
def get_window_size(cell_width, cell_height, dpi_x, dpi_y):
if w_unit == 'cells':
width = cell_width * w + (dpi_x / 72) * (opts.window_margin_width + opts.window_padding_width) + 1
else:
width = w
if h_unit == 'cells':
height = cell_height * h + (dpi_y / 72) * (opts.window_margin_width + opts.window_padding_width) + 1
else:
height = h
return width, height
return get_window_size
def commented_out_default_config():
with open(default_config_path, encoding='utf-8', errors='replace') as f:
config = f.read()
lines = []
for line in config.splitlines():
if line.strip() and not line.startswith('#'):
line = '# ' + line
lines.append(line)
config = '\n'.join(lines)
return config
def prepare_config_file_for_editing():
if not os.path.exists(defconf):
d = os.path.dirname(defconf)
try:
os.makedirs(d)
except FileExistsError:
pass
with open(defconf, 'w') as f:
f.write(commented_out_default_config())
return defconf
def finalize_keys(opts):
defns = []
for d in opts.key_definitions:
if d is None: # clear_all_shortcuts
defns = []
else:
defns.append(d)
for d in defns:
d.resolve(opts.kitty_mod)
keymap = {}
sequence_map = {}
for defn in defns:
is_no_op = defn.action.func in no_op_actions
if defn.is_sequence:
keymap.pop(defn.trigger, None)
s = sequence_map.setdefault(defn.trigger, {})
if is_no_op:
s.pop(defn.rest, None)
if not s:
del sequence_map[defn.trigger]
else:
s[defn.rest] = defn.action
else:
sequence_map.pop(defn.trigger, None)
if is_no_op:
keymap.pop(defn.trigger, None)
else:
keymap[defn.trigger] = defn.action
opts.keymap = keymap
opts.sequence_map = sequence_map
def load_config(*paths, overrides=None):
opts = _load_config(Options, defaults, parse_config, merge_configs, *paths, overrides=overrides)
finalize_keys(opts)
if opts.background_opacity < 1.0 and opts.macos_titlebar_color:
log_error('Cannot use both macos_titlebar_color and background_opacity')
opts.macos_titlebar_color = 0
return opts