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# -*- coding: utf-8 -*-
# input-remapper - GUI for device specific keyboard mappings
# Copyright (C) 2025 sezanzeb <b8x45ygc9@mozmail.com>
#
# 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
import traceback
from typing import Dict, Callable, Tuple
from inputremapper.configs.input_config import InputCombination
from inputremapper.configs.mapping import Mapping
from inputremapper.injection.global_uinputs import GlobalUInputs
from inputremapper.injection.macros.macro import Macro
from inputremapper.injection.macros.parse import Parser
from inputremapper.injection.mapping_handlers.mapping_handler import (
ContextProtocol,
MappingHandler,
HandlerEnums,
)
from inputremapper.input_event import InputEvent
from inputremapper.logging.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,
global_uinputs: GlobalUInputs,
*,
context: ContextProtocol,
):
super().__init__(combination, mapping, global_uinputs)
self._pressed_keys: Dict[Tuple[int, int], int] = {}
self._active = False
assert self.mapping.output_symbol is not None
self._macro = Parser.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 with %s', self._macro.code, type(exception))
traceback.print_exc()
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."""
self._remember_pressed_keys((type_, code, value))
self.global_uinputs.write(
(type_, code, value),
self.mapping.target_uinput,
)
asyncio.ensure_future(self.run_macro(handler))
return True
else:
self._active = False
self._macro.release_trigger()
return True
def reset(self) -> None:
self._active = False
# To avoid a key hanging forever. Can be pretty annoying, especially if it is
# a modifier that makes you unable to interact with your system.
for (type, code), value in self._pressed_keys.items():
if value == 1:
logger.debug("Releasing key %s", (type, code, value))
self.global_uinputs.write(
(type, code, 0),
self.mapping.target_uinput,
)
def needs_wrapping(self) -> bool:
return True
def wrap_with(self) -> Dict[InputCombination, HandlerEnums]:
return {InputCombination(self.input_configs): HandlerEnums.combination}
def _remember_pressed_keys(self, event: Tuple[int, int, int]) -> None:
type, code, value = event
self._pressed_keys[(type, code)] = value
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