input-remapper/inputremapper/injection/mapping_handlers/macro_handler.py
2023-03-02 18:07:58 +01:00

103 lines
3.4 KiB
Python

# -*- coding: utf-8 -*-
# input-remapper - GUI for device specific keyboard mappings
# Copyright (C) 2023 sezanzeb <proxima@sezanzeb.de>
#
# This file is part of input-remapper.
#
# input-remapper 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.
#
# input-remapper 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 input-remapper. If not, see <https://www.gnu.org/licenses/>.
import asyncio
from typing import Dict, Callable
from inputremapper.configs.input_config import InputCombination
from inputremapper.configs.mapping import Mapping
from inputremapper.injection.global_uinputs import global_uinputs
from inputremapper.injection.macros.macro import Macro
from inputremapper.injection.macros.parse import parse
from inputremapper.injection.mapping_handlers.mapping_handler import (
ContextProtocol,
MappingHandler,
HandlerEnums,
)
from inputremapper.input_event import InputEvent
from inputremapper.logger import logger
class MacroHandler(MappingHandler):
"""Runs the target macro if notified."""
# TODO: replace this by the macro itself
_macro: Macro
_active: bool
def __init__(
self,
combination: InputCombination,
mapping: Mapping,
*,
context: ContextProtocol,
):
super().__init__(combination, mapping)
self._active = False
assert self.mapping.output_symbol is not None
self._macro = parse(self.mapping.output_symbol, context, mapping)
def __str__(self):
return f"MacroHandler"
def __repr__(self):
return f"<{str(self)} at {hex(id(self))}>"
@property
def child(self): # used for logging
return f"maps to {self._macro} on {self.mapping.target_uinput}"
async def run_macro(self, handler: Callable):
"""Run the macro with the provided function."""
try:
await self._macro.run(handler)
except Exception as exception:
logger.error('Macro "%s" failed: %s', self._macro.code, exception)
def notify(self, event: InputEvent, *_, **__) -> bool:
if event.value == 1:
self._active = True
self._macro.press_trigger()
if self._macro.running:
return True
def handler(type_, code, value) -> None:
"""Handler for macros."""
global_uinputs.write((type_, code, value), self.mapping.target_uinput)
asyncio.ensure_future(self.run_macro(handler))
return True
else:
self._active = False
if self._macro.is_holding():
self._macro.release_trigger()
return True
def reset(self) -> None:
self._active = False
if self._macro.is_holding():
self._macro.release_trigger()
def needs_wrapping(self) -> bool:
return True
def wrap_with(self) -> Dict[InputCombination, HandlerEnums]:
return {InputCombination(self.input_configs): HandlerEnums.combination}