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"""Used by the make system to generate layouts.h from info.json.
"""
from milc import cli
from qmk.constants import COL_LETTERS, ROW_LETTERS, GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE
from qmk.decorators import automagic_keyboard, automagic_keymap
from qmk.info import info_json
from qmk.keyboard import keyboard_completer, keyboard_folder
from qmk.path import is_keyboard, normpath
from qmk.commands import dump_lines
@cli.argument('-o', '--output', arg_only=True, type=normpath, help='File to write to')
@cli.argument('-q', '--quiet', arg_only=True, action='store_true', help="Quiet mode, only output error messages")
@cli.argument('-kb', '--keyboard', type=keyboard_folder, completer=keyboard_completer, help='Keyboard to generate config.h for.')
@cli.subcommand('Used by the make system to generate layouts.h from info.json', hidden=True)
@automagic_keyboard
@automagic_keymap
def generate_layouts(cli):
"""Generates the layouts.h file.
"""
# Determine our keyboard(s)
if not cli.config.generate_layouts.keyboard:
cli.log.error('Missing parameter: --keyboard')
cli.subcommands['info'].print_help()
return False
if not is_keyboard(cli.config.generate_layouts.keyboard):
cli.log.error('Invalid keyboard: "%s"', cli.config.generate_layouts.keyboard)
return False
# Build the info.json file
kb_info_json = info_json(cli.config.generate_layouts.keyboard)
# Build the layouts.h file.
layouts_h_lines = [GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE, '#pragma once']
if 'matrix_size' not in kb_info_json:
cli.log.error('%s: Invalid matrix config.', cli.config.generate_layouts.keyboard)
return False
col_num = kb_info_json['matrix_size']['cols']
row_num = kb_info_json['matrix_size']['rows']
for layout_name in kb_info_json['layouts']:
if kb_info_json['layouts'][layout_name]['c_macro']:
continue
if 'matrix' not in kb_info_json['layouts'][layout_name]['layout'][0]:
cli.log.debug('%s/%s: No matrix data!', cli.config.generate_layouts.keyboard, layout_name)
continue
layout_keys = []
layout_matrix = [['KC_NO' for i in range(col_num)] for i in range(row_num)]
for i, key in enumerate(kb_info_json['layouts'][layout_name]['layout']):
row = key['matrix'][0]
col = key['matrix'][1]
identifier = 'k%s%s' % (ROW_LETTERS[row], COL_LETTERS[col])
try:
layout_matrix[row][col] = identifier
layout_keys.append(identifier)
except IndexError:
key_name = key.get('label', identifier)
cli.log.error('Matrix data out of bounds for layout %s at index %s (%s): %s, %s', layout_name, i, key_name, row, col)
return False
layouts_h_lines.append('')
layouts_h_lines.append('#define %s(%s) {\\' % (layout_name, ', '.join(layout_keys)))
rows = ', \\\n'.join(['\t {' + ', '.join(row) + '}' for row in layout_matrix])
rows += ' \\'
layouts_h_lines.append(rows)
layouts_h_lines.append('}')
for alias, target in kb_info_json.get('layout_aliases', {}).items():
layouts_h_lines.append('')
layouts_h_lines.append(f'#ifndef {alias}')
layouts_h_lines.append(f'# define {alias} {target}')
layouts_h_lines.append('#endif')
# Show the results
dump_lines(cli.args.output, layouts_h_lines, cli.args.quiet)
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