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# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2022 Maxim Devaev <[email protected]> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
# ========================================================================== #
from . import Hid
# =====
def make_mouse_hid(absolute: bool, horizontal_wheel: bool, report_id: (int | None)=None) -> Hid:
maker = (_make_absolute_hid if absolute else _make_relative_hid)
return maker(horizontal_wheel, report_id)
_HORIZONTAL_WHEEL = [
0x05, 0x0C, # USAGE PAGE (Consumer Devices)
0x0A, 0x38, 0x02, # USAGE (AC Pan)
0x15, 0x81, # LOGICAL_MINIMUM (-127)
0x25, 0x7F, # LOGICAL_MAXIMUM (127)
0x75, 0x08, # REPORT_SIZE (8)
0x95, 0x01, # REPORT_COUNT (1)
0x81, 0x06, # INPUT (Data,Var,Rel)
]
def _make_absolute_hid(horizontal_wheel: bool, report_id: (int | None)) -> Hid:
return Hid(
protocol=0, # None protocol
subclass=0, # No subclass
report_length=(7 if horizontal_wheel else 6),
report_descriptor=bytes([
# https://github.com/NicoHood/HID/blob/0835e6a/src/SingleReport/SingleAbsoluteMouse.cpp
# Репорт взят отсюда ^^^, но изменен диапазон значений координат перемещений.
# Автор предлагает использовать -32768...32767, но семерка почему-то не хочет работать
# с отрицательными значениями координат, как не хочет хавать 65536 и 32768.
# Так что мы ей скармливаем диапазон 0...32767, и передаем рукожопам из микрософта привет,
# потому что линуксы прекрасно работают с любыми двухбайтовыми диапазонами.
# Absolute mouse
0x05, 0x01, # USAGE_PAGE (Generic Desktop)
0x09, 0x02, # USAGE (Mouse)
0xA1, 0x01, # COLLECTION (Application)
# Report ID
*([0x85, report_id] if report_id is not None else []),
# Pointer and Physical are required by Apple Recovery
0x09, 0x01, # USAGE (Pointer)
0xA1, 0x00, # COLLECTION (Physical)
# 8 Buttons
0x05, 0x09, # USAGE_PAGE (Button)
0x19, 0x01, # USAGE_MINIMUM (Button 1)
0x29, 0x08, # USAGE_MAXIMUM (Button 8)
0x15, 0x00, # LOGICAL_MINIMUM (0)
0x25, 0x01, # LOGICAL_MAXIMUM (1)
0x95, 0x08, # REPORT_COUNT (8)
0x75, 0x01, # REPORT_SIZE (1)
0x81, 0x02, # INPUT (Data,Var,Abs)
# X, Y
0x05, 0x01, # USAGE_PAGE (Generic Desktop)
0x09, 0x30, # USAGE (X)
0x09, 0x31, # USAGE (Y)
0x16, 0x00, 0x00, # LOGICAL_MINIMUM (0)
0x26, 0xFF, 0x7F, # LOGICAL_MAXIMUM (32767)
0x75, 0x10, # REPORT_SIZE (16)
0x95, 0x02, # REPORT_COUNT (2)
0x81, 0x02, # INPUT (Data,Var,Abs)
# Wheel
0x09, 0x38, # USAGE (Wheel)
0x15, 0x81, # LOGICAL_MINIMUM (-127)
0x25, 0x7F, # LOGICAL_MAXIMUM (127)
0x75, 0x08, # REPORT_SIZE (8)
0x95, 0x01, # REPORT_COUNT (1)
0x81, 0x06, # INPUT (Data,Var,Rel)
*(_HORIZONTAL_WHEEL if horizontal_wheel else []),
# End
0xC0, # END_COLLECTION (Physical)
0xC0, # END_COLLECTION
]),
)
def _make_relative_hid(horizontal_wheel: bool, report_id: (int | None)) -> Hid:
return Hid(
protocol=2, # Mouse protocol
subclass=1, # Boot interface subclass
report_length=(5 if horizontal_wheel else 4),
report_descriptor=bytes([
# https://github.com/NicoHood/HID/blob/0835e6a/src/SingleReport/BootMouse.cpp
# Relative mouse
0x05, 0x01, # USAGE_PAGE (Generic Desktop)
0x09, 0x02, # USAGE (Mouse)
0xA1, 0x01, # COLLECTION (Application)
# Report ID
*([0x85, report_id] if report_id is not None else []),
# Pointer and Physical are required by Apple Recovery
0x09, 0x01, # USAGE (Pointer)
0xA1, 0x00, # COLLECTION (Physical)
# 8 Buttons
0x05, 0x09, # USAGE_PAGE (Button)
0x19, 0x01, # USAGE_MINIMUM (Button 1)
0x29, 0x08, # USAGE_MAXIMUM (Button 8)
0x15, 0x00, # LOGICAL_MINIMUM (0)
0x25, 0x01, # LOGICAL_MAXIMUM (1)
0x95, 0x08, # REPORT_COUNT (8)
0x75, 0x01, # REPORT_SIZE (1)
0x81, 0x02, # INPUT (Data,Var,Abs)
# X, Y
0x05, 0x01, # USAGE_PAGE (Generic Desktop)
0x09, 0x30, # USAGE (X)
0x09, 0x31, # USAGE (Y)
# Wheel
0x09, 0x38, # USAGE (Wheel)
0x15, 0x81, # LOGICAL_MINIMUM (-127)
0x25, 0x7F, # LOGICAL_MAXIMUM (127)
0x75, 0x08, # REPORT_SIZE (8)
0x95, 0x03, # REPORT_COUNT (3)
0x81, 0x06, # INPUT (Data,Var,Rel)
*(_HORIZONTAL_WHEEL if horizontal_wheel else []),
# End
0xC0, # END_COLLECTION (Physical)
0xC0, # END_COLLECTION
]),
)
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