One-KVM/kvmd/keyboard/magic.py
2025-05-09 10:08:44 +03:00

97 lines
3.8 KiB
Python

# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2020 Maxim Devaev <mdevaev@gmail.com> #
# #
# 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/>. #
# #
# ========================================================================== #
import time
from evdev import ecodes
# =====
class BaseMagicHandler:
__MAGIC_KEY = ecodes.KEY_LEFTALT
__MAGIC_TIMEOUT = 2
__MAGIC_TRIGGER = 2
def __init__(self) -> None:
self.__taps = 0
self.__ts = 0.0
self.__codes: list[int] = []
async def _magic_handle_key(self, key: int, state: bool) -> None: # pylint: disable=too-many-branches
if self.__ts + self.__MAGIC_TIMEOUT < time.monotonic():
self.__taps = 0
self.__ts = 0
self.__codes = []
if key == self.__MAGIC_KEY:
if not state:
self.__taps += 1
self.__ts = time.monotonic()
elif state:
taps = self.__taps
codes = self.__codes
self.__taps = 0
self.__ts = 0
self.__codes = []
if taps >= self.__MAGIC_TRIGGER:
if key == ecodes.KEY_P:
await self._on_magic_clipboard_print()
return
elif key in [ecodes.KEY_UP, ecodes.KEY_LEFT]:
await self._on_magic_switch_prev()
return
elif key in [ecodes.KEY_DOWN, ecodes.KEY_RIGHT]:
await self._on_magic_switch_next()
return
elif ecodes.KEY_1 <= key <= ecodes.KEY_8:
codes.append(key - ecodes.KEY_1)
if len(codes) == 1:
if not (await self._on_magic_switch_port(codes[0], -1)):
self.__taps = taps
self.__ts = time.monotonic()
self.__codes = codes
elif len(codes) >= 2:
await self._on_magic_switch_port(codes[0], codes[1])
return
await self._on_magic_key_proxy(key, state)
async def _on_magic_clipboard_print(self) -> None:
pass
async def _on_magic_switch_prev(self) -> None:
pass
async def _on_magic_switch_next(self) -> None:
pass
async def _on_magic_switch_port(self, first: int, second: int) -> bool:
_ = first
_ = second
return True
async def _on_magic_key_proxy(self, key: int, state: bool) -> None:
raise NotImplementedError()