dividing injector.py into multiple files
sezanzeb
4 years ago
parent
ac73d5cc86
commit
c93da68956
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#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# key-mapper - GUI for device specific keyboard mappings
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# Copyright (C) 2020 sezanzeb <proxima@hip70890b.de>
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#
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# This file is part of key-mapper.
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#
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# key-mapper 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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# key-mapper 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 key-mapper. If not, see <https://www.gnu.org/licenses/>.
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"""Keeps mapping joystick to mouse movements."""
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import asyncio
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import evdev
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from evdev.ecodes import EV_ABS, EV_REL
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from keymapper.logger import logger
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from keymapper.config import config
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def _write(device, ev_type, keycode, value):
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"""Inject."""
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device.write(ev_type, keycode, value)
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device.syn()
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async def ev_abs_mapper(abs_state, input_device, keymapper_device):
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"""Keep writing mouse movements based on the gamepad stick position.
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Parameters
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----------
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abs_state : [int, int]
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array to read the current abs values from. Like a pointer.
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input_device : evdev.InputDevice
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keymapper_device : evdev.UInput
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"""
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# events only take ints, so a movement of 0.3 needs to add
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# up to 1.2 to affect the cursor.
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pending_x_rel = 0
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pending_y_rel = 0
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logger.info('Mapping gamepad to mouse movements')
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max_value = input_device.absinfo(EV_ABS).max
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max_speed = ((max_value ** 2) * 2) ** 0.5
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pointer_speed = config.get('gamepad.pointer_speed', 80)
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non_linearity = config.get('gamepad.non_linearity', 4)
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while True:
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# this is part of the spawned process, so terminating that one
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# will also stop this loop
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await asyncio.sleep(1 / 60)
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abs_x, abs_y = abs_state
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if non_linearity != 1:
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# to make small movements smaller for more precision
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speed = (abs_x ** 2 + abs_y ** 2) ** 0.5
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factor = (speed / max_speed) ** non_linearity
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else:
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factor = 1
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rel_x = abs_x * factor * pointer_speed / max_value
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rel_y = abs_y * factor * pointer_speed / max_value
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pending_x_rel += rel_x
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pending_y_rel += rel_y
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rel_x = int(pending_x_rel)
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rel_y = int(pending_y_rel)
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pending_x_rel -= rel_x
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pending_y_rel -= rel_y
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if rel_y != 0:
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_write(
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keymapper_device,
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EV_REL,
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evdev.ecodes.ABS_Y,
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rel_y
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)
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if rel_x != 0:
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_write(
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keymapper_device,
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EV_REL,
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evdev.ecodes.ABS_X,
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rel_x
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)
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@ -0,0 +1,73 @@
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#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# key-mapper - GUI for device specific keyboard mappings
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# Copyright (C) 2020 sezanzeb <proxima@hip70890b.de>
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#
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# This file is part of key-mapper.
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#
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# key-mapper 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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# key-mapper 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 key-mapper. If not, see <https://www.gnu.org/licenses/>.
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"""Inject a keycode based on the mapping."""
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import asyncio
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from keymapper.logger import logger
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from keymapper.state import system_mapping, KEYCODE_OFFSET
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def handle_keycode(mapping, macros, event, uinput):
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"""Write the mapped keycode."""
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input_keycode = event.code + KEYCODE_OFFSET
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character = mapping.get_character(input_keycode)
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if character is None:
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# unknown keycode, forward it
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target_keycode = input_keycode
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elif macros.get(input_keycode) is not None:
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if event.value == 0:
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return
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logger.spam(
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'got code:%s value:%s, maps to macro %s',
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event.code + KEYCODE_OFFSET,
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event.value,
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character
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)
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macro = macros.get(input_keycode)
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if macro is not None:
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asyncio.ensure_future(macro.run())
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return
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else:
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# TODO compile int-int mapping instead of going this route.
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# I think that makes the reverse mapping obsolete.
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# It already is actually.
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target_keycode = system_mapping.get(character)
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if target_keycode is None:
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logger.error(
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'Don\'t know what %s maps to',
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character
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)
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return
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logger.spam(
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'got code:%s value:%s, maps to code:%s char:%s',
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event.code + KEYCODE_OFFSET,
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event.value,
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target_keycode,
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character
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)
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uinput.write(event.type, target_keycode - KEYCODE_OFFSET, event.value)
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uinput.syn()
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