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108 lines
2.8 KiB
Python
108 lines
2.8 KiB
Python
#!/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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import evdev
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from keymapper.logger import logger
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from keymapper.dev.ev_abs_mapper import JOYSTICK
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def should_map_event_as_btn(type, code):
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"""Does this event describe a button.
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Especially important for gamepad events, some of the buttons
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require special rules.
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Parameters
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----------
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type : int
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one of evdev.events
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code : int
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linux keycode
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"""
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if type == evdev.events.EV_KEY:
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return True
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if type == evdev.events.EV_ABS and code not in JOYSTICK:
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return True
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return False
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def handle_keycode(_code_to_code, macros, event, uinput):
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"""Write the mapped keycode or forward unmapped ones.
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Parameters
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----------
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_code_to_code : dict
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mapping of linux-keycode to linux-keycode.
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macros : dict
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mapping of linux-keycode to _Macro objects
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"""
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if event.value == 2:
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# button-hold event
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return
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input_keycode = event.code
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input_type = event.type
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if input_keycode in macros:
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if event.value != 1:
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# only key-down events trigger macros
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return
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macro = macros[input_keycode]
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logger.spam(
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'got code:%s value:%s, maps to macro %s',
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input_keycode,
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event.value,
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macro.code
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)
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asyncio.ensure_future(macro.run())
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return
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if input_keycode in _code_to_code:
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target_keycode = _code_to_code[input_keycode]
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target_type = evdev.events.EV_KEY
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logger.spam(
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'got code:%s value:%s event:%s, maps to EV_KEY:%s',
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input_keycode,
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event.value,
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evdev.ecodes.EV[event.type],
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target_keycode
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)
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else:
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logger.spam(
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'got unmapped code:%s value:%s',
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input_keycode,
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event.value,
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)
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target_keycode = input_keycode
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target_type = input_type
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uinput.write(target_type, target_keycode, event.value)
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uinput.syn()
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