140 lines
4.0 KiB
Python
140 lines
4.0 KiB
Python
"""Functions that help you work with QMK keymaps.
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"""
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from pathlib import Path
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import qmk.path
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import qmk.makefile
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# The `keymap.c` template to use when a keyboard doesn't have its own
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DEFAULT_KEYMAP_C = """#include QMK_KEYBOARD_H
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/* THIS FILE WAS GENERATED!
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*
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* This file was generated by qmk json2c. You may or may not want to
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* edit it directly.
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*/
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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__KEYMAP_GOES_HERE__
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};
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"""
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def template(keyboard):
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"""Returns the `keymap.c` template for a keyboard.
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If a template exists in `keyboards/<keyboard>/templates/keymap.c` that
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text will be used instead of `DEFAULT_KEYMAP_C`.
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Args:
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keyboard
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The keyboard to return a template for.
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"""
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template_file = Path('keyboards/%s/templates/keymap.c' % keyboard)
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if template_file.exists():
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return template_file.read_text()
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return DEFAULT_KEYMAP_C
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def _strip_any(keycode):
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"""Remove ANY() from a keycode.
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"""
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if keycode.startswith('ANY(') and keycode.endswith(')'):
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keycode = keycode[4:-1]
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return keycode
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def generate(keyboard, layout, layers):
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"""Returns a keymap.c for the specified keyboard, layout, and layers.
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Args:
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keyboard
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The name of the keyboard
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layout
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The LAYOUT macro this keymap uses.
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layers
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An array of arrays describing the keymap. Each item in the inner array should be a string that is a valid QMK keycode.
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"""
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layer_txt = []
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for layer_num, layer in enumerate(layers):
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if layer_num != 0:
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layer_txt[-1] = layer_txt[-1] + ','
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layer = map(_strip_any, layer)
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layer_keys = ', '.join(layer)
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layer_txt.append('\t[%s] = %s(%s)' % (layer_num, layout, layer_keys))
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keymap = '\n'.join(layer_txt)
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keymap_c = template(keyboard)
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return keymap_c.replace('__KEYMAP_GOES_HERE__', keymap)
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def write(keyboard, keymap, layout, layers):
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"""Generate the `keymap.c` and write it to disk.
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Returns the filename written to.
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Args:
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keyboard
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The name of the keyboard
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keymap
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The name of the keymap
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layout
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The LAYOUT macro this keymap uses.
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layers
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An array of arrays describing the keymap. Each item in the inner array should be a string that is a valid QMK keycode.
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"""
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keymap_c = generate(keyboard, layout, layers)
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keymap_file = qmk.path.keymap(keyboard) / keymap / 'keymap.c'
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keymap_file.parent.mkdir(parents=True, exist_ok=True)
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keymap_file.write_text(keymap_c)
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return keymap_file
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def list_keymaps(keyboard_name):
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""" List the available keymaps for a keyboard.
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Args:
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keyboard_name: the keyboards full name with vendor and revision if necessary, example: clueboard/66/rev3
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Returns:
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a set with the names of the available keymaps
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"""
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# parse all the rules.mk files for the keyboard
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rules_mk = qmk.makefile.get_rules_mk(keyboard_name)
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names = set()
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if rules_mk:
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# qmk_firmware/keyboards
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keyboards_dir = Path.cwd() / "keyboards"
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# path to the keyboard's directory
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kb_path = keyboards_dir / keyboard_name
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# walk up the directory tree until keyboards_dir
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# and collect all directories' name with keymap.c file in it
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while kb_path != keyboards_dir:
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keymaps_dir = kb_path / "keymaps"
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if keymaps_dir.exists():
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names = names.union([keymap for keymap in keymaps_dir.iterdir() if (keymaps_dir / keymap / "keymap.c").is_file()])
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kb_path = kb_path.parent
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# if community layouts are supported, get them
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if "LAYOUTS" in rules_mk:
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for layout in rules_mk["LAYOUTS"].split():
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cl_path = Path.cwd() / "layouts" / "community" / layout
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if cl_path.exists():
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names = names.union([keymap for keymap in cl_path.iterdir() if (cl_path / keymap / "keymap.c").is_file()])
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return sorted(names)
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