mirror of
https://github.com/sezanzeb/input-remapper
synced 2024-11-02 15:40:19 +00:00
124 lines
4.3 KiB
Python
124 lines
4.3 KiB
Python
#!/usr/bin/python3
|
|
# -*- coding: utf-8 -*-
|
|
# key-mapper - GUI for device specific keyboard mappings
|
|
# Copyright (C) 2020 sezanzeb <proxima@hip70890b.de>
|
|
#
|
|
# This file is part of key-mapper.
|
|
#
|
|
# key-mapper 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.
|
|
#
|
|
# key-mapper 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 key-mapper. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
|
|
"""Starts injecting keycodes based on the configuration."""
|
|
|
|
|
|
import dbus
|
|
from dbus import service
|
|
import dbus.mainloop.glib
|
|
|
|
from keymapper.logger import logger
|
|
from keymapper.dev.injector import KeycodeInjector
|
|
from keymapper.mapping import Mapping
|
|
from keymapper.config import config
|
|
|
|
|
|
def get_dbus_interface():
|
|
"""Get an interface to start and stop injecting keystrokes."""
|
|
try:
|
|
bus = dbus.SessionBus()
|
|
remote_object = bus.get_object('keymapper.Control', '/')
|
|
interface = dbus.Interface(remote_object, 'keymapper.Interface')
|
|
logger.debug('Connected to dbus')
|
|
except dbus.exceptions.DBusException as error:
|
|
logger.warning(
|
|
'Could not connect to the dbus of "key-mapper-service", mapping '
|
|
'keys only works as long as the window is open.'
|
|
)
|
|
logger.debug(error)
|
|
return Daemon()
|
|
|
|
return interface
|
|
|
|
|
|
class Daemon(service.Object):
|
|
"""Starts injecting keycodes based on the configuration.
|
|
|
|
Can be talked to either over dbus or by instantiating it.
|
|
|
|
The Daemon may not have any knowledge about the logged in user, so it
|
|
can't read any config files. It has to be told what to do and will
|
|
continue to do so afterwards, but it can't decide to start injecting
|
|
on its own.
|
|
"""
|
|
def __init__(self, *args, autoload=True, **kwargs):
|
|
"""Constructs the daemon. You still need to run the GLib mainloop."""
|
|
self.injectors = {}
|
|
if autoload:
|
|
for device, preset in config.iterate_autoload_presets():
|
|
mapping = Mapping()
|
|
mapping.load(device, preset)
|
|
try:
|
|
injector = KeycodeInjector(device, mapping)
|
|
injector.start_injecting()
|
|
self.injectors[device] = injector
|
|
except OSError as error:
|
|
logger.error(error)
|
|
super().__init__(*args, **kwargs)
|
|
|
|
@dbus.service.method('keymapper.Interface', in_signature='s')
|
|
def stop_injecting(self, device):
|
|
"""Stop injecting the mapping for a single device."""
|
|
if self.injectors.get(device) is None:
|
|
logger.error(
|
|
'Tried to stop injector, but none is running for device "%s"',
|
|
device
|
|
)
|
|
return
|
|
|
|
self.injectors[device].stop_injecting()
|
|
|
|
# TODO if ss is the correct signature for multiple parameters, add an
|
|
# example to https://gitlab.freedesktop.org/dbus/dbus-python/-/blob/master/doc/tutorial.txt # noqa pylint: disable=line-too-long
|
|
@dbus.service.method('keymapper.Interface', in_signature='ss')
|
|
def start_injecting(self, device, preset):
|
|
"""Start injecting the preset for the device.
|
|
|
|
Returns True on success.
|
|
|
|
Parameters
|
|
----------
|
|
device : string
|
|
The name of the device
|
|
preset : string
|
|
The name of the preset
|
|
"""
|
|
if self.injectors.get(device) is not None:
|
|
self.injectors[device].stop_injecting()
|
|
|
|
mapping = Mapping()
|
|
mapping.load(device, preset)
|
|
try:
|
|
injector = KeycodeInjector(device, mapping)
|
|
injector.start_injecting()
|
|
self.injectors[device] = injector
|
|
except OSError:
|
|
return False
|
|
|
|
return True
|
|
|
|
@dbus.service.method('keymapper.Interface')
|
|
def stop(self):
|
|
"""Stop all mapping injections."""
|
|
for injector in self.injectors.values():
|
|
injector.stop_injecting()
|