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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/>. #
# #
# ========================================================================== #
import math
from ....mouse import MouseRange
class Mouse: # pylint: disable=too-many-instance-attributes
def __init__(self) -> None:
self.__active = "usb"
self.__buttons = 0x00
self.__to_x = [0, 0]
self.__to_y = [0, 0]
self.__wheel_y = 0
self.__delta_x = 0
self.__delta_y = 0
def button(self, button: str, clicked: bool) -> list[int]:
code = self.__button_code(button)
if code and self.__buttons:
self.__buttons &= ~code
if clicked:
self.__buttons |= code
self.__wheel_y = 0
if self.__active != "usb":
self.__to_x = [0, 0]
self.__to_y = [0, 0]
return self.__absolute()
def move(self, to_x: int, to_y: int) -> list[int]:
assert MouseRange.MIN <= to_x <= MouseRange.MAX
assert MouseRange.MIN <= to_y <= MouseRange.MAX
self.__to_x = self.__to_fixed(to_x)
self.__to_y = self.__to_fixed(to_y)
self.__wheel_y = 0
return self.__absolute()
def wheel(self, delta_x: int, delta_y: int) -> list[int]:
assert -127 <= delta_y <= 127
_ = delta_x
self.__wheel_y = 1 if delta_y > 0 else 255
return self.__absolute()
def relative(self, delta_x: int, delta_y: int) -> list[int]:
assert -127 <= delta_x <= 127
assert -127 <= delta_y <= 127
delta_x = math.ceil(delta_x / 3)
delta_y = math.ceil(delta_y / 3)
self.__delta_x = delta_x if delta_x >= 0 else 255 + delta_x
self.__delta_y = delta_y if delta_y >= 0 else 255 + delta_y
return self.__relative()
def active(self) -> str:
return self.__active
def set_active(self, name: str) -> None:
self.__active = name
def __absolute(self) -> list[int]:
cmd = [
0x00, 0x04, 0x07, 0x02,
self.__buttons,
self.__to_x[1], self.__to_x[0],
self.__to_y[1], self.__to_y[0],
0x00]
if self.__wheel_y:
cmd[9] = self.__wheel_y
return cmd
def __relative(self) -> list[int]:
cmd = [
0x00, 0x05, 0x05, 0x01,
self.__buttons,
self.__delta_x, self.__delta_y,
0x00]
return cmd
def __button_code(self, name: str) -> int:
code = 0x00
match name:
case "left":
code = 0x01
case "right":
code = 0x02
case "middle":
code = 0x04
case "up":
code = 0x08
case "down":
code = 0x10
return code
def __to_fixed(self, num: int) -> list[int]:
to_fixed = math.ceil(MouseRange.remap(num, 0, MouseRange.MAX) / 8)
return [to_fixed >> 8, to_fixed & 0xFF]
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