qmk_firmware/lib/python/qmk/keyboard.py

414 lines
12 KiB
Python

"""Functions that help us work with keyboards.
"""
from array import array
from functools import lru_cache
from math import ceil
from pathlib import Path
import os
from glob import glob
import qmk.path
from qmk.c_parse import parse_config_h_file
from qmk.json_schema import json_load
from qmk.makefile import parse_rules_mk_file
BOX_DRAWING_CHARACTERS = {
"unicode": {
"tl": "",
"tr": "",
"bl": "",
"br": "",
"v": "",
"h": "",
},
"ascii": {
"tl": " ",
"tr": " ",
"bl": "|",
"br": "|",
"v": "|",
"h": "_",
},
}
ENC_DRAWING_CHARACTERS = {
"unicode": {
"tl": "",
"tr": "",
"bl": "",
"br": "",
"vl": "",
"vr": "",
"v": "",
"h": "",
},
"ascii": {
"tl": " ",
"tr": " ",
"bl": "\\",
"br": "/",
"v": "|",
"vl": "/",
"vr": "\\",
"h": "_",
},
}
class AllKeyboards:
"""Represents all keyboards.
"""
def __str__(self):
return 'all'
def __repr__(self):
return 'all'
def __eq__(self, other):
return isinstance(other, AllKeyboards)
base_path = os.path.join(os.getcwd(), "keyboards") + os.path.sep
@lru_cache(maxsize=1)
def keyboard_alias_definitions():
return json_load(Path('data/mappings/keyboard_aliases.hjson'))
def is_all_keyboards(keyboard):
"""Returns True if the keyboard is an AllKeyboards object.
"""
if isinstance(keyboard, str):
return (keyboard == 'all')
return isinstance(keyboard, AllKeyboards)
def find_keyboard_from_dir():
"""Returns a keyboard name based on the user's current directory.
"""
relative_cwd = qmk.path.under_qmk_userspace()
if not relative_cwd:
relative_cwd = qmk.path.under_qmk_firmware()
if relative_cwd and len(relative_cwd.parts) > 1 and relative_cwd.parts[0] == 'keyboards':
# Attempt to extract the keyboard name from the current directory
current_path = Path('/'.join(relative_cwd.parts[1:]))
if 'keymaps' in current_path.parts:
# Strip current_path of anything after `keymaps`
keymap_index = len(current_path.parts) - current_path.parts.index('keymaps') - 1
current_path = current_path.parents[keymap_index]
if qmk.path.is_keyboard(current_path):
return str(current_path)
def find_readme(keyboard):
"""Returns the readme for this keyboard.
"""
cur_dir = qmk.path.keyboard(keyboard)
keyboards_dir = Path('keyboards')
while not (cur_dir / 'readme.md').exists():
if cur_dir == keyboards_dir:
return None
cur_dir = cur_dir.parent
return cur_dir / 'readme.md'
def keyboard_folder(keyboard):
"""Returns the actual keyboard folder.
This checks aliases and DEFAULT_FOLDER to resolve the actual path for a keyboard.
"""
aliases = keyboard_alias_definitions()
while keyboard in aliases:
last_keyboard = keyboard
keyboard = aliases[keyboard].get('target', keyboard)
if keyboard == last_keyboard:
break
keyboard = resolve_keyboard(keyboard)
if not qmk.path.is_keyboard(keyboard):
raise ValueError(f'Invalid keyboard: {keyboard}')
return keyboard
def keyboard_aliases(keyboard):
"""Returns the list of aliases for the supplied keyboard.
Includes the keyboard itself.
"""
aliases = json_load(Path('data/mappings/keyboard_aliases.hjson'))
if keyboard in aliases:
keyboard = aliases[keyboard].get('target', keyboard)
keyboards = set(filter(lambda k: aliases[k].get('target', '') == keyboard, aliases.keys()))
keyboards.add(keyboard)
keyboards = list(sorted(keyboards))
return keyboards
def keyboard_folder_or_all(keyboard):
"""Returns the actual keyboard folder.
This checks aliases and DEFAULT_FOLDER to resolve the actual path for a keyboard.
If the supplied argument is "all", it returns an AllKeyboards object.
"""
if keyboard == 'all':
return AllKeyboards()
return keyboard_folder(keyboard)
def _find_name(path):
"""Determine the keyboard name by stripping off the base_path and filename.
"""
return path.replace(base_path, "").rsplit(os.path.sep, 1)[0]
def keyboard_completer(prefix, action, parser, parsed_args):
"""Returns a list of keyboards for tab completion.
"""
return list_keyboards()
def list_keyboards(resolve_defaults=True):
"""Returns a list of all keyboards - optionally processing any DEFAULT_FOLDER.
"""
# We avoid pathlib here because this is performance critical code.
paths = []
for marker in ['rules.mk', 'keyboard.json']:
kb_wildcard = os.path.join(base_path, "**", marker)
paths += [path for path in glob(kb_wildcard, recursive=True) if os.path.sep + 'keymaps' + os.path.sep not in path]
found = map(_find_name, paths)
if resolve_defaults:
found = map(resolve_keyboard, found)
return sorted(set(found))
@lru_cache(maxsize=None)
def resolve_keyboard(keyboard):
cur_dir = Path('keyboards')
rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
while 'DEFAULT_FOLDER' in rules and keyboard != rules['DEFAULT_FOLDER']:
keyboard = rules['DEFAULT_FOLDER']
rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
return keyboard
def config_h(keyboard):
"""Parses all the config.h files for a keyboard.
Args:
keyboard: name of the keyboard
Returns:
a dictionary representing the content of the entire config.h tree for a keyboard
"""
config = {}
cur_dir = Path('keyboards')
keyboard = Path(resolve_keyboard(keyboard))
for dir in keyboard.parts:
cur_dir = cur_dir / dir
config = {**config, **parse_config_h_file(cur_dir / 'config.h')}
return config
def rules_mk(keyboard):
"""Get a rules.mk for a keyboard
Args:
keyboard: name of the keyboard
Returns:
a dictionary representing the content of the entire rules.mk tree for a keyboard
"""
cur_dir = Path('keyboards')
keyboard = Path(resolve_keyboard(keyboard))
rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
for i, dir in enumerate(keyboard.parts):
cur_dir = cur_dir / dir
rules = parse_rules_mk_file(cur_dir / 'rules.mk', rules)
return rules
def render_layout(layout_data, render_ascii, key_labels=None):
"""Renders a single layout.
"""
textpad = [array('u', ' ' * 200) for x in range(100)]
style = 'ascii' if render_ascii else 'unicode'
for key in layout_data:
x = key.get('x', 0)
y = key.get('y', 0)
w = key.get('w', 1)
h = key.get('h', 1)
if key_labels:
label = key_labels.pop(0)
if label.startswith('KC_'):
label = label[3:]
else:
label = key.get('label', '')
if 'encoder' in key:
render_encoder(textpad, x, y, w, h, label, style)
elif x >= 0.25 and w == 1.25 and h == 2:
render_key_isoenter(textpad, x, y, w, h, label, style)
elif w == 1.5 and h == 2:
render_key_baenter(textpad, x, y, w, h, label, style)
else:
render_key_rect(textpad, x, y, w, h, label, style)
lines = []
for line in textpad:
if line.tounicode().strip():
lines.append(line.tounicode().rstrip())
return '\n'.join(lines)
def render_layouts(info_json, render_ascii):
"""Renders all the layouts from an `info_json` structure.
"""
layouts = {}
for layout in info_json['layouts']:
layout_data = info_json['layouts'][layout]['layout']
layouts[layout] = render_layout(layout_data, render_ascii)
return layouts
def render_key_rect(textpad, x, y, w, h, label, style):
box_chars = BOX_DRAWING_CHARACTERS[style]
x = ceil(x * 4)
y = ceil(y * 3)
w = ceil(w * 4)
h = ceil(h * 3)
label_len = w - 2
label_leftover = label_len - len(label)
if len(label) > label_len:
label = label[:label_len]
label_blank = ' ' * label_len
label_border = box_chars['h'] * label_len
label_middle = label + ' ' * label_leftover
top_line = array('u', box_chars['tl'] + label_border + box_chars['tr'])
lab_line = array('u', box_chars['v'] + label_middle + box_chars['v'])
mid_line = array('u', box_chars['v'] + label_blank + box_chars['v'])
bot_line = array('u', box_chars['bl'] + label_border + box_chars['br'])
textpad[y][x:x + w] = top_line
textpad[y + 1][x:x + w] = lab_line
for i in range(h - 3):
textpad[y + i + 2][x:x + w] = mid_line
textpad[y + h - 1][x:x + w] = bot_line
def render_key_isoenter(textpad, x, y, w, h, label, style):
box_chars = BOX_DRAWING_CHARACTERS[style]
x = ceil(x * 4)
y = ceil(y * 3)
w = ceil(w * 4)
h = ceil(h * 3)
label_len = w - 1
label_leftover = label_len - len(label)
if len(label) > label_len:
label = label[:label_len]
label_blank = ' ' * (label_len - 1)
label_border_top = box_chars['h'] * label_len
label_border_bottom = box_chars['h'] * (label_len - 1)
label_middle = label + ' ' * label_leftover
top_line = array('u', box_chars['tl'] + label_border_top + box_chars['tr'])
lab_line = array('u', box_chars['v'] + label_middle + box_chars['v'])
crn_line = array('u', box_chars['bl'] + box_chars['tr'] + label_blank + box_chars['v'])
mid_line = array('u', box_chars['v'] + label_blank + box_chars['v'])
bot_line = array('u', box_chars['bl'] + label_border_bottom + box_chars['br'])
textpad[y][x - 1:x + w] = top_line
textpad[y + 1][x - 1:x + w] = lab_line
textpad[y + 2][x - 1:x + w] = crn_line
textpad[y + 3][x:x + w] = mid_line
textpad[y + 4][x:x + w] = mid_line
textpad[y + 5][x:x + w] = bot_line
def render_key_baenter(textpad, x, y, w, h, label, style):
box_chars = BOX_DRAWING_CHARACTERS[style]
x = ceil(x * 4)
y = ceil(y * 3)
w = ceil(w * 4)
h = ceil(h * 3)
label_len = w + 1
label_leftover = label_len - len(label)
if len(label) > label_len:
label = label[:label_len]
label_blank = ' ' * (label_len - 3)
label_border_top = box_chars['h'] * (label_len - 3)
label_border_bottom = box_chars['h'] * label_len
label_middle = label + ' ' * label_leftover
top_line = array('u', box_chars['tl'] + label_border_top + box_chars['tr'])
mid_line = array('u', box_chars['v'] + label_blank + box_chars['v'])
crn_line = array('u', box_chars['tl'] + box_chars['h'] + box_chars['h'] + box_chars['br'] + label_blank + box_chars['v'])
lab_line = array('u', box_chars['v'] + label_middle + box_chars['v'])
bot_line = array('u', box_chars['bl'] + label_border_bottom + box_chars['br'])
textpad[y][x:x + w] = top_line
textpad[y + 1][x:x + w] = mid_line
textpad[y + 2][x:x + w] = mid_line
textpad[y + 3][x - 3:x + w] = crn_line
textpad[y + 4][x - 3:x + w] = lab_line
textpad[y + 5][x - 3:x + w] = bot_line
def render_encoder(textpad, x, y, w, h, label, style):
box_chars = ENC_DRAWING_CHARACTERS[style]
x = ceil(x * 4)
y = ceil(y * 3)
w = ceil(w * 4)
h = ceil(h * 3)
label_len = w - 2
label_leftover = label_len - len(label)
if len(label) > label_len:
label = label[:label_len]
label_blank = ' ' * label_len
label_border = box_chars['h'] * label_len
label_middle = label + ' ' * label_leftover
top_line = array('u', box_chars['tl'] + label_border + box_chars['tr'])
lab_line = array('u', box_chars['vl'] + label_middle + box_chars['vr'])
mid_line = array('u', box_chars['v'] + label_blank + box_chars['v'])
bot_line = array('u', box_chars['bl'] + label_border + box_chars['br'])
textpad[y][x:x + w] = top_line
textpad[y + 1][x:x + w] = lab_line
for i in range(h - 3):
textpad[y + i + 2][x:x + w] = mid_line
textpad[y + h - 1][x:x + w] = bot_line