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9107a33777
MOUSE_WHEEL_CLICK_ANGLE has been an integer, and at least libinput (probably the only user) parses it as strict integer. For backwards compatibility, we cannot change it to a decimal number now. Add a new property to list the number of clicks for a full 360 degree rotation, to be specified in addition to the old click angle property. Clients can prefer the new one where available and calculate the decimal value to whatever precision they want.
195 lines
7.0 KiB
Python
Executable File
195 lines
7.0 KiB
Python
Executable File
#!/usr/bin/python3
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# -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
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#
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# This file is part of systemd. It is distrubuted under the MIT license, see
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# below.
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#
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# Copyright 2016 Zbigniew Jędrzejewski-Szmek
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#
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# The MIT License (MIT)
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import functools
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import glob
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import string
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import sys
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import os
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try:
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from pyparsing import (Word, White, Literal, ParserElement, Regex,
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LineStart, LineEnd,
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ZeroOrMore, OneOrMore, Combine, Or, Optional, Suppress, Group,
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nums, alphanums, printables,
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stringEnd, pythonStyleComment,
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ParseBaseException)
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except ImportError:
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print('pyparsing is not available')
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sys.exit(77)
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try:
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from evdev.ecodes import ecodes
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except ImportError:
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ecodes = None
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print('WARNING: evdev is not available')
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EOL = LineEnd().suppress()
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EMPTYLINE = LineStart() + LineEnd()
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COMMENTLINE = pythonStyleComment + EOL
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INTEGER = Word(nums)
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REAL = Combine((INTEGER + Optional('.' + Optional(INTEGER))) ^ ('.' + INTEGER))
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UDEV_TAG = Word(string.ascii_uppercase, alphanums + '_')
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TYPES = {'mouse': ('usb', 'bluetooth', 'ps2', '*'),
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'evdev': ('name', 'atkbd', 'input'),
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'touchpad': ('i8042', 'rmi', 'bluetooth', 'usb'),
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'keyboard': ('name', ),
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}
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@functools.lru_cache()
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def hwdb_grammar():
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ParserElement.setDefaultWhitespaceChars('')
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prefix = Or(category + ':' + Or(conn) + ':'
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for category, conn in TYPES.items())
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matchline = Combine(prefix + Word(printables + ' ' + '®')) + EOL
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propertyline = (White(' ', exact=1).suppress() +
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Combine(UDEV_TAG - '=' - Word(alphanums + '_=:@*.! ') - Optional(pythonStyleComment)) +
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EOL)
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propertycomment = White(' ', exact=1) + pythonStyleComment + EOL
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group = (OneOrMore(matchline('MATCHES*') ^ COMMENTLINE.suppress()) -
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OneOrMore(propertyline('PROPERTIES*') ^ propertycomment.suppress()) -
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(EMPTYLINE ^ stringEnd()).suppress() )
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commentgroup = OneOrMore(COMMENTLINE).suppress() - EMPTYLINE.suppress()
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grammar = OneOrMore(group('GROUPS*') ^ commentgroup) + stringEnd()
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return grammar
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@functools.lru_cache()
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def property_grammar():
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ParserElement.setDefaultWhitespaceChars(' ')
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setting = Optional('*')('DEFAULT') + INTEGER('DPI') + Suppress('@') + INTEGER('HZ')
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props = (('MOUSE_DPI', Group(OneOrMore(setting('SETTINGS*')))),
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('MOUSE_WHEEL_CLICK_ANGLE', INTEGER),
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('MOUSE_WHEEL_CLICK_ANGLE_HORIZONTAL', INTEGER),
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('MOUSE_WHEEL_CLICK_COUNT', INTEGER),
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('MOUSE_WHEEL_CLICK_COUNT_HORIZONTAL', INTEGER),
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('ID_INPUT_TRACKBALL', Literal('1')),
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('POINTINGSTICK_SENSITIVITY', INTEGER),
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('POINTINGSTICK_CONST_ACCEL', REAL),
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('ID_INPUT_TOUCHPAD_INTEGRATION', Or(('internal', 'external'))),
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)
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fixed_props = [Literal(name)('NAME') - Suppress('=') - val('VALUE')
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for name, val in props]
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kbd_props = [Regex(r'KEYBOARD_KEY_[0-9a-f]+')('NAME')
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- Suppress('=') -
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('!' ^ (Optional('!') - Word(alphanums + '_')))('VALUE')
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]
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abs_props = [Regex(r'EVDEV_ABS_[0-9a-f]{2}')('NAME')
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- Suppress('=') -
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Word(nums + ':')('VALUE')
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]
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grammar = Or(fixed_props + kbd_props + abs_props)
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return grammar
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ERROR = False
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def error(fmt, *args, **kwargs):
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global ERROR
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ERROR = True
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print(fmt.format(*args, **kwargs))
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def convert_properties(group):
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matches = [m[0] for m in group.MATCHES]
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props = [p[0] for p in group.PROPERTIES]
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return matches, props
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def parse(fname):
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grammar = hwdb_grammar()
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try:
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parsed = grammar.parseFile(fname)
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except ParseBaseException as e:
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error('Cannot parse {}: {}', fname, e)
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return []
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return [convert_properties(g) for g in parsed.GROUPS]
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def check_match_uniqueness(groups):
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matches = sum((group[0] for group in groups), [])
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matches.sort()
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prev = None
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for match in matches:
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if match == prev:
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error('Match {!r} is duplicated', match)
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prev = match
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def check_one_default(prop, settings):
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defaults = [s for s in settings if s.DEFAULT]
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if len(defaults) > 1:
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error('More than one star entry: {!r}', prop)
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def check_one_keycode(prop, value):
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if value != '!' and ecodes is not None:
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key = 'KEY_' + value.upper()
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if key not in ecodes:
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error('Keycode {} unknown', key)
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def check_properties(groups):
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grammar = property_grammar()
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for matches, props in groups:
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prop_names = set()
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for prop in props:
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# print('--', prop)
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prop = prop.partition('#')[0].rstrip()
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try:
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parsed = grammar.parseString(prop)
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except ParseBaseException as e:
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error('Failed to parse: {!r}', prop)
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continue
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# print('{!r}'.format(parsed))
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if parsed.NAME in prop_names:
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error('Property {} is duplicated', parsed.NAME)
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prop_names.add(parsed.NAME)
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if parsed.NAME == 'MOUSE_DPI':
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check_one_default(prop, parsed.VALUE.SETTINGS)
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elif parsed.NAME.startswith('KEYBOARD_KEY_'):
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check_one_keycode(prop, parsed.VALUE)
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def print_summary(fname, groups):
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print('{}: {} match groups, {} matches, {} properties'
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.format(fname,
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len(groups),
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sum(len(matches) for matches, props in groups),
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sum(len(props) for matches, props in groups),
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))
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if __name__ == '__main__':
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args = sys.argv[1:] or glob.glob(os.path.dirname(sys.argv[0]) + '/[67]0-*.hwdb')
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for fname in args:
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groups = parse(fname)
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print_summary(fname, groups)
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check_match_uniqueness(groups)
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check_properties(groups)
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sys.exit(ERROR)
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