mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2025-12-12 17:20:30 +08:00
81 lines
3.3 KiB
Python
81 lines
3.3 KiB
Python
# ========================================================================== #
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# #
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# KVMD - The main PiKVM daemon. #
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# #
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# Copyright (C) 2018-2022 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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# ========================================================================== #
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from .... import aiomulti
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from ....keyboard.mappings import KEYMAP
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class Keyboard:
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def __init__(self) -> None:
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self.__notifier = aiomulti.AioProcessNotifier()
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self.__leds = aiomulti.AioSharedFlags({
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"num": False,
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"caps": False,
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"scroll": False,
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}, self.__notifier, type=bool)
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self.__modifiers = 0x00
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self.__active_keys: list[int] = []
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def key(self, key: str, state: bool) -> list[int]:
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modifier = self.__is_modifier(key)
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code = self.__keycode(key)
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if not state:
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if not modifier and code in self.__active_keys:
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self.__active_keys.remove(code)
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if modifier and self.__modifiers:
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self.__modifiers &= ~code
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if state:
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if not modifier and len(self.__active_keys) < 6:
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self.__active_keys.append(code)
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if modifier:
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self.__modifiers |= code
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return self.__key()
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async def leds(self) -> dict:
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leds = await self.__leds.get()
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return leds
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def set_leds(self, led_byte: int) -> None:
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num = bool(led_byte & 1)
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caps = bool((led_byte >> 1) & 1)
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scroll = bool((led_byte >> 2) & 1)
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self.__leds.update(num=num, caps=caps, scroll=scroll)
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def __key(self) -> list[int]:
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cmd = [
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0x00, 0x02, 0x08,
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self.__modifiers,
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0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00]
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counter = 0
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for code in self.__active_keys:
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cmd[5 + counter] = code
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counter += 1
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return cmd
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def __keycode(self, key: str) -> int:
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return KEYMAP[key].usb.code
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def __is_modifier(self, key: str) -> bool:
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return KEYMAP[key].usb.is_modifier
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