mirror of
https://github.com/mofeng-git/One-KVM.git
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119 lines
3.6 KiB
Python
119 lines
3.6 KiB
Python
# ========================================================================== #
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# #
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# KVMD - The main Pi-KVM daemon. #
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# #
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# Copyright (C) 2018 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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import dataclasses
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from typing import Union
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from ....keyboard.mappings import OtgKey
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from ....keyboard.mappings import KEYMAP
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# =====
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class BaseEvent:
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pass
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class ClearEvent(BaseEvent):
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pass
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class ResetEvent(BaseEvent):
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pass
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# =====
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@dataclasses.dataclass(frozen=True)
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class KeyEvent(BaseEvent):
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key: OtgKey
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state: bool
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def __post_init__(self) -> None:
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assert (not self.key.is_modifier)
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@dataclasses.dataclass(frozen=True)
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class ModifierEvent(BaseEvent):
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modifier: OtgKey
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state: bool
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def __post_init__(self) -> None:
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assert self.modifier.is_modifier
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def make_keyboard_event(key: str, state: bool) -> Union[KeyEvent, ModifierEvent]:
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otg_key = KEYMAP[key].otg
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if otg_key.is_modifier:
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return ModifierEvent(otg_key, state)
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return KeyEvent(otg_key, state)
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# =====
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@dataclasses.dataclass(frozen=True)
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class MouseButtonEvent(BaseEvent):
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button: str
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state: bool
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code: int = 0
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def __post_init__(self) -> None:
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object.__setattr__(self, "code", {
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"left": 0x1,
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"right": 0x2,
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"middle": 0x4,
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"up": 0x8, # Back
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"down": 0x10, # Forward
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}[self.button])
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@dataclasses.dataclass(frozen=True)
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class MouseMoveEvent(BaseEvent):
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to_x: int
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to_y: int
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to_fixed_x: int = 0
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to_fixed_y: int = 0
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def __post_init__(self) -> None:
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assert -32768 <= self.to_x <= 32767
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assert -32768 <= self.to_y <= 32767
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object.__setattr__(self, "to_fixed_x", (self.to_x + 32768) // 2)
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object.__setattr__(self, "to_fixed_y", (self.to_y + 32768) // 2)
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@dataclasses.dataclass(frozen=True)
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class MouseRelativeEvent(BaseEvent):
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delta_x: int
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delta_y: int
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def __post_init__(self) -> None:
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assert -127 <= self.delta_x <= 127
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assert -127 <= self.delta_y <= 127
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@dataclasses.dataclass(frozen=True)
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class MouseWheelEvent(BaseEvent):
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delta_x: int
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delta_y: int
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def __post_init__(self) -> None:
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assert -127 <= self.delta_x <= 127
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assert -127 <= self.delta_y <= 127
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