qmk_firmware/lib/python/qmk/keyboard.py

153 lines
4.2 KiB
Python
Raw Normal View History

"""Functions that help us work with keyboards.
"""
from array import array
from math import ceil
from pathlib import Path
import os
from glob import glob
from qmk.c_parse import parse_config_h_file
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": "_",
},
}
base_path = os.path.join(os.getcwd(), "keyboards") + os.path.sep
def _find_name(path):
"""Determine the keyboard name by stripping off the base_path and rules.mk.
"""
return path.replace(base_path, "").replace(os.path.sep + "rules.mk", "")
def list_keyboards():
"""Returns a list of all keyboards.
"""
# We avoid pathlib here because this is performance critical code.
kb_wildcard = os.path.join(base_path, "**", "rules.mk")
paths = [path for path in glob(kb_wildcard, recursive=True) if 'keymaps' not in path]
return sorted(map(_find_name, paths))
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')
rules = rules_mk(keyboard)
keyboard = Path(rules['DEFAULT_FOLDER'] if 'DEFAULT_FOLDER' in rules else 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
"""
keyboard = Path(keyboard)
cur_dir = Path('keyboards')
rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
if 'DEFAULT_FOLDER' in rules:
keyboard = Path(rules['DEFAULT_FOLDER'])
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(50)]
style = 'ascii' if render_ascii else 'unicode'
box_chars = BOX_DRAWING_CHARACTERS[style]
for key in layout_data:
x = ceil(key.get('x', 0) * 4)
y = ceil(key.get('y', 0) * 3)
w = ceil(key.get('w', 1) * 4)
h = ceil(key.get('h', 1) * 3)
if key_labels:
label = key_labels.pop(0)
if label.startswith('KC_'):
label = label[3:]
else:
label = key.get('label', '')
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 # noqa: yapf insists there be no whitespace around *
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
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