summaryrefslogtreecommitdiffstats
path: root/lib/python/qmk/keyboard.py
blob: 18ca5a95341ff1d3f8777f4f0021e23644d0c87a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
"""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": "_",
    },
}


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


def is_all_keyboards(keyboard):
    """Returns True if the keyboard is an AllKeyboards object.
    """
    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_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 = json_load(Path('data/mappings/keyboard_aliases.hjson'))

    if keyboard in aliases:
        keyboard = aliases[keyboard].get('target', keyboard)

    rules_mk_file = Path(base_path, keyboard, 'rules.mk')

    if rules_mk_file.exists():
        rules_mk = parse_rules_mk_file(rules_mk_file)
        keyboard = rules_mk.get('DEFAULT_FOLDER', keyboard)

    if not qmk.path.is_keyboard(keyboard):
        raise ValueError(f'Invalid keyboard: {keyboard}')

    return keyboard


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 rules.mk.
    """
    return path.replace(base_path, "").replace(os.path.sep + "rules.mk", "")


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.
    kb_wildcard = os.path.join(base_path, "**", "rules.mk")
    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 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