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libratbag-plus/tools/ratbagd.py
2022-12-22 00:51:59 +03:00

989 lines
34 KiB
Python

# Copyright 2016-2019 Red Hat, Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
import os
import sys
import hashlib
from enum import IntEnum
from evdev import ecodes
from gettext import gettext as _
from gi.repository import Gio, GLib, GObject
# Deferred translations, see https://docs.python.org/3/library/gettext.html#deferred-translations
def N_(x):
return x
class RatbagErrorCode(IntEnum):
SUCCESS = 0
"""An error occured on the device. Either the device is not a libratbag
device or communication with the device failed."""
DEVICE = -1000
"""Insufficient capabilities. This error occurs when a requested change is
beyond the device's capabilities."""
CAPABILITY = -1001
"""Invalid value or value range. The provided value or value range is
outside of the legal or supported range."""
VALUE = -1002
"""A low-level system error has occured, e.g. a failure to access files
that should be there. This error is usually unrecoverable and libratbag will
print a log message with details about the error."""
SYSTEM = -1003
"""Implementation bug, either in libratbag or in the caller. This error is
usually unrecoverable and libratbag will print a log message with details
about the error."""
IMPLEMENTATION = -1004
class RatbagdIncompatible(Exception):
"""ratbagd is incompatible with this client"""
def __init__(self, ratbagd_version, required_version):
super().__init__()
self.ratbagd_version = ratbagd_version
self.required_version = required_version
self.message = "ratbagd API version is {} but we require {}".format(ratbagd_version, required_version)
def __str__(self):
return self.message
class RatbagdUnavailable(Exception):
"""Signals DBus is unavailable or the ratbagd daemon is not available."""
pass
class RatbagdDBusTimeout(Exception):
"""Signals that a timeout occurred during a DBus method call."""
pass
class RatbagError(Exception):
"""A common base exception to catch any ratbag exception."""
pass
class RatbagErrorDevice(RatbagError):
"""An exception corresponding to RatbagErrorCode.DEVICE."""
pass
class RatbagErrorCapability(RatbagError):
"""An exception corresponding to RatbagErrorCode.CAPABILITY."""
pass
class RatbagErrorValue(RatbagError):
"""An exception corresponding to RatbagErrorCode.VALUE."""
pass
class RatbagErrorSystem(RatbagError):
"""An exception corresponding to RatbagErrorCode.SYSTEM."""
pass
class RatbagErrorImplementation(RatbagError):
"""An exception corresponding to RatbagErrorCode.IMPLEMENTATION."""
pass
"""A table mapping RatbagErrorCode values to RatbagError* exceptions."""
EXCEPTION_TABLE = {
RatbagErrorCode.DEVICE: RatbagErrorDevice,
RatbagErrorCode.CAPABILITY: RatbagErrorCapability,
RatbagErrorCode.VALUE: RatbagErrorValue,
RatbagErrorCode.SYSTEM: RatbagErrorSystem,
RatbagErrorCode.IMPLEMENTATION: RatbagErrorImplementation
}
class _RatbagdDBus(GObject.GObject):
_dbus = None
def __init__(self, interface, object_path):
super().__init__()
if _RatbagdDBus._dbus is None:
try:
_RatbagdDBus._dbus = Gio.bus_get_sync(Gio.BusType.SYSTEM, None)
except GLib.Error as e:
raise RatbagdUnavailable(e.message)
ratbag1 = "org.freedesktop.ratbag1"
if os.environ.get('RATBAG_TEST'):
ratbag1 = "org.freedesktop.ratbag_devel1"
if object_path is None:
object_path = "/" + ratbag1.replace('.', '/')
self._object_path = object_path
self._interface = "{}.{}".format(ratbag1, interface)
try:
self._proxy = Gio.DBusProxy.new_sync(_RatbagdDBus._dbus,
Gio.DBusProxyFlags.NONE,
None,
ratbag1,
object_path,
self._interface,
None)
except GLib.Error as e:
raise RatbagdUnavailable(e.message)
if self._proxy.get_name_owner() is None:
raise RatbagdUnavailable("No one currently owns {}".format(ratbag1))
self._proxy.connect("g-properties-changed", self._on_properties_changed)
self._proxy.connect("g-signal", self._on_signal_received)
def _on_properties_changed(self, proxy, changed_props, invalidated_props):
# Implement this in derived classes to respond to property changes.
pass
def _on_signal_received(self, proxy, sender_name, signal_name, parameters):
# Implement this in derived classes to respond to signals.
pass
def _find_object_with_path(self, iterable, object_path):
# Find the index of an object in an iterable that whose object path
# matches the given object path.
for index, obj in enumerate(iterable):
if obj._object_path == object_path:
return index
return -1
def _get_dbus_property(self, property):
# Retrieves a cached property from the bus, or None.
p = self._proxy.get_cached_property(property)
if p is not None:
return p.unpack()
return p
def _set_dbus_property(self, property, type, value, readwrite=True):
# Sets a cached property on the bus.
# Take our real value and wrap it into a variant. To call
# org.freedesktop.DBus.Properties.Set we need to wrap that again
# into a (ssv), where v is our value's variant.
# args to .Set are "interface name", "function name", value-variant
val = GLib.Variant("{}".format(type), value)
if readwrite:
pval = GLib.Variant("(ssv)", (self._interface, property, val))
self._proxy.call_sync("org.freedesktop.DBus.Properties.Set",
pval, Gio.DBusCallFlags.NO_AUTO_START,
2000, None)
# This is our local copy, so we don't have to wait for the async
# update
self._proxy.set_cached_property(property, val)
def _dbus_call(self, method, type, *value):
# Calls a method synchronously on the bus, using the given method name,
# type signature and values.
#
# If the result is valid, it is returned. Invalid results raise the
# appropriate RatbagError* or RatbagdDBus* exception, or GLib.Error if
# it is an unexpected exception that probably shouldn't be passed up to
# the UI.
val = GLib.Variant("({})".format(type), value)
try:
res = self._proxy.call_sync(method, val,
Gio.DBusCallFlags.NO_AUTO_START,
2000, None)
if res in EXCEPTION_TABLE:
raise EXCEPTION_TABLE[res]
return res.unpack()[0] # Result is always a tuple
except GLib.Error as e:
if e.code == Gio.IOErrorEnum.TIMED_OUT:
raise RatbagdDBusTimeout(e.message)
else:
# Unrecognized error code; print the message to stderr and raise
# the GLib.Error.
print(e.message, file=sys.stderr)
raise
def __eq__(self, other):
return other and self._object_path == other._object_path
class Ratbagd(_RatbagdDBus):
"""The ratbagd top-level object. Provides a list of devices available
through ratbagd; actual interaction with the devices is via the
RatbagdDevice, RatbagdProfile, RatbagdResolution and RatbagdButton objects.
Throws RatbagdUnavailable when the DBus service is not available.
"""
__gsignals__ = {
"device-added":
(GObject.SignalFlags.RUN_FIRST, None, (GObject.TYPE_PYOBJECT,)),
"device-removed":
(GObject.SignalFlags.RUN_FIRST, None, (GObject.TYPE_PYOBJECT,)),
"daemon-disappeared":
(GObject.SignalFlags.RUN_FIRST, None, ()),
}
def __init__(self, api_version):
super().__init__("Manager", None)
result = self._get_dbus_property("Devices")
if result is None and not self._proxy.get_cached_property_names():
raise RatbagdUnavailable("Make sure it is running and your user is in the required groups.")
if self.api_version != api_version:
raise RatbagdIncompatible(self.api_version or -1, api_version)
self._devices = [RatbagdDevice(objpath) for objpath in result or []]
self._proxy.connect("notify::g-name-owner", self._on_name_owner_changed)
def _on_name_owner_changed(self, *kwargs):
self.emit("daemon-disappeared")
def _on_properties_changed(self, proxy, changed_props, invalidated_props):
if "Devices" in changed_props.keys():
object_paths = [d._object_path for d in self._devices]
for object_path in changed_props["Devices"]:
if object_path not in object_paths:
device = RatbagdDevice(object_path)
self._devices.append(device)
self.emit("device-added", device)
for device in self.devices:
if device._object_path not in changed_props["Devices"]:
self._devices.remove(device)
self.emit("device-removed", device)
self.notify("devices")
@GObject.Property
def api_version(self):
return self._get_dbus_property("APIVersion")
@GObject.Property
def devices(self):
"""A list of RatbagdDevice objects supported by ratbagd."""
return self._devices
def __getitem__(self, id):
"""Returns the requested device, or None."""
for d in self.devices:
if d.id == id:
return d
return None
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb):
pass
class RatbagdDevice(_RatbagdDBus):
"""Represents a ratbagd device."""
__gsignals__ = {
"active-profile-changed":
(GObject.SignalFlags.RUN_FIRST, None, (GObject.TYPE_PYOBJECT,)),
"resync":
(GObject.SignalFlags.RUN_FIRST, None, ()),
}
def __init__(self, object_path):
super().__init__("Device", object_path)
# FIXME: if we start adding and removing objects from this list,
# things will break!
result = self._get_dbus_property("Profiles") or []
self._profiles = [RatbagdProfile(objpath) for objpath in result]
for profile in self._profiles:
profile.connect("notify::is-active", self._on_active_profile_changed)
# Use a SHA1 of our object path as our device's ID
self._id = hashlib.sha1(object_path.encode('utf-8')).hexdigest()
def _on_signal_received(self, proxy, sender_name, signal_name, parameters):
if signal_name == "Resync":
self.emit("resync")
def _on_active_profile_changed(self, profile, pspec):
if profile.is_active:
self.emit("active-profile-changed", self._profiles[profile.index])
@GObject.Property
def id(self):
return self._id
@id.setter
def id(self, id):
self._id = id
@GObject.Property
def model(self):
"""The unique identifier for this device model."""
return self._get_dbus_property("Model")
@GObject.Property
def name(self):
"""The device name, usually provided by the kernel."""
return self._get_dbus_property("Name")
@GObject.Property
def profiles(self):
"""A list of RatbagdProfile objects provided by this device."""
return self._profiles
@GObject.Property
def active_profile(self):
"""The currently active profile. This is a non-DBus property computed
over the cached list of profiles. In the unlikely case that your device
driver is misconfigured and there is no active profile, this returns
the first profile."""
for profile in self._profiles:
if profile.is_active:
return profile
print("No active profile. Please report this bug to the libratbag developers", file=sys.stderr)
return self._profiles[0]
def commit(self):
"""Commits all changes made to the device.
This is implemented asynchronously inside ratbagd. Hence, we just call
this method and always succeed. Any failure is handled inside ratbagd
by emitting the Resync signal, which automatically resynchronizes the
device. No further interaction is required by the client.
"""
self._dbus_call("Commit", "")
for profile in self._profiles:
if profile.dirty:
profile._dirty = False
profile.notify("dirty")
class RatbagdProfile(_RatbagdDBus):
"""Represents a ratbagd profile."""
CAP_WRITABLE_NAME = 100
CAP_SET_DEFAULT = 101
CAP_DISABLE = 102
CAP_WRITE_ONLY = 103
def __init__(self, object_path):
super().__init__("Profile", object_path)
self._dirty = False
self._active = self._get_dbus_property("IsActive")
# FIXME: if we start adding and removing objects from any of these
# lists, things will break!
result = self._get_dbus_property("Resolutions") or []
self._resolutions = [RatbagdResolution(objpath) for objpath in result]
self._subscribe_dirty(self._resolutions)
result = self._get_dbus_property("Buttons") or []
self._buttons = [RatbagdButton(objpath) for objpath in result]
self._subscribe_dirty(self._buttons)
result = self._get_dbus_property("Leds") or []
self._leds = [RatbagdLed(objpath) for objpath in result]
self._subscribe_dirty(self._leds)
def _subscribe_dirty(self, objects):
for obj in objects:
obj.connect("notify", self._on_obj_notify)
def _on_obj_notify(self, obj, pspec):
if not self._dirty:
self._dirty = True
self.notify("dirty")
def _on_properties_changed(self, proxy, changed_props, invalidated_props):
if "IsActive" in changed_props.keys():
active = changed_props["IsActive"]
if active != self._active:
self._active = active
self.notify("is-active")
self._on_obj_notify(None, None)
@GObject.Property
def capabilities(self):
"""The capabilities of this profile as an array. Capabilities not
present on the profile are not in the list. Thus use e.g.
if RatbagdProfile.CAP_WRITABLE_NAME in profile.capabilities:
do something
"""
return self._get_dbus_property("Capabilities") or []
@GObject.Property
def name(self):
"""The name of the profile"""
return self._get_dbus_property("Name")
@name.setter
def name(self, name):
"""Set the name of this profile.
@param name The new name, as str"""
self._set_dbus_property("Name", "s", name)
@GObject.Property
def index(self):
"""The index of this profile."""
return self._get_dbus_property("Index")
@GObject.Property
def dirty(self):
"""Whether this profile is dirty."""
return self._dirty
@GObject.Property
def enabled(self):
"""tells if the profile is enabled."""
return self._get_dbus_property("Enabled")
@enabled.setter
def enabled(self, enabled):
"""Enable/Disable this profile.
@param enabled The new state, as boolean"""
self._set_dbus_property("Enabled", "b", enabled)
@GObject.Property
def report_rate(self):
"""The report rate in Hz."""
return self._get_dbus_property("ReportRate")
@report_rate.setter
def report_rate(self, rate):
"""Set the report rate in Hz.
@param rate The new report rate, as int
"""
self._set_dbus_property("ReportRate", "u", rate)
@GObject.Property
def report_rates(self):
"""The list of supported report rates"""
return self._get_dbus_property("ReportRates") or []
@GObject.Property
def resolutions(self):
"""A list of RatbagdResolution objects with this profile's resolutions.
Note that the list of resolutions differs between profiles but the number
of resolutions is identical across profiles."""
return self._resolutions
@GObject.Property
def active_resolution(self):
"""The currently active resolution of this profile. This is a non-DBus
property computed over the cached list of resolutions. In the unlikely
case that your device driver is misconfigured and there is no active
resolution, this returns the first resolution."""
for resolution in self._resolutions:
if resolution.is_active:
return resolution
print("No active resolution. Please report this bug to the libratbag developers", file=sys.stderr)
return self._resolutions[0]
@GObject.Property
def buttons(self):
"""A list of RatbagdButton objects with this profile's button mappings.
Note that the list of buttons differs between profiles but the number
of buttons is identical across profiles."""
return self._buttons
@GObject.Property
def leds(self):
"""A list of RatbagdLed objects with this profile's leds. Note that the
list of leds differs between profiles but the number of leds is
identical across profiles."""
return self._leds
@GObject.Property
def is_active(self):
"""Returns True if the profile is currently active, false otherwise."""
return self._active
def set_active(self):
"""Set this profile to be the active profile."""
ret = self._dbus_call("SetActive", "")
self._set_dbus_property("IsActive", "b", True, readwrite=False)
return ret
class RatbagdResolution(_RatbagdDBus):
"""Represents a ratbagd resolution."""
def __init__(self, object_path):
super().__init__("Resolution", object_path)
self._active = self._get_dbus_property("IsActive")
self._default = self._get_dbus_property("IsDefault")
def _on_properties_changed(self, proxy, changed_props, invalidated_props):
if "IsActive" in changed_props.keys():
active = changed_props["IsActive"]
if active != self._active:
self._active = active
self.notify("is-active")
elif "IsDefault" in changed_props.keys():
default = changed_props["IsDefault"]
if default != self._default:
self._default = default
self.notify("is-default")
@GObject.Property
def index(self):
"""The index of this resolution."""
return self._get_dbus_property("Index")
@GObject.Property
def resolution(self):
"""The resolution in DPI, either as single value tuple ``(res, )``
or as tuple ``(xres, yres)``.
"""
res = self._get_dbus_property("Resolution")
if isinstance(res, int):
res = tuple([res])
return res
@resolution.setter
def resolution(self, resolution):
"""Set the x- and y-resolution using the given (xres, yres) tuple.
@param res The new resolution, as (int, int)
"""
res = self.resolution
if len(res) != len(resolution) or len(res) > 2:
raise ValueError('invalid resolution precision')
if len(res) == 1:
variant = GLib.Variant('u', resolution[0])
else:
variant = GLib.Variant('(uu)', resolution)
self._set_dbus_property("Resolution", "v", variant)
@GObject.Property
def resolutions(self):
"""The list of supported DPI values"""
return self._get_dbus_property("Resolutions") or []
@GObject.Property
def is_active(self):
"""True if this is the currently active resolution, False
otherwise"""
return self._active
@GObject.Property
def is_default(self):
"""True if this is the currently default resolution, False
otherwise"""
return self._default
def set_default(self):
"""Set this resolution to be the default."""
ret = self._dbus_call("SetDefault", "")
self._set_dbus_property("IsDefault", "b", True, readwrite=False)
return ret
def set_active(self):
"""Set this resolution to be the active one."""
ret = self._dbus_call("SetActive", "")
self._set_dbus_property("IsActive", "b", True, readwrite=False)
return ret
class RatbagdButton(_RatbagdDBus):
"""Represents a ratbagd button."""
class ActionType(IntEnum):
NONE = 0
BUTTON = 1
SPECIAL = 2
KEY = 3
MACRO = 4
class ActionSpecial(IntEnum):
INVALID = -1
UNKNOWN = (1 << 30)
DOUBLECLICK = (1 << 30) + 1
WHEEL_LEFT = (1 << 30) + 2
WHEEL_RIGHT = (1 << 30) + 3
WHEEL_UP = (1 << 30) + 4
WHEEL_DOWN = (1 << 30) + 5
RATCHET_MODE_SWITCH = (1 << 30) + 6
RESOLUTION_CYCLE_UP = (1 << 30) + 7
RESOLUTION_CYCLE_DOWN = (1 << 30) + 8
RESOLUTION_UP = (1 << 30) + 9
RESOLUTION_DOWN = (1 << 30) + 10
RESOLUTION_ALTERNATE = (1 << 30) + 11
RESOLUTION_DEFAULT = (1 << 30) + 12
PROFILE_CYCLE_UP = (1 << 30) + 13
PROFILE_CYCLE_DOWN = (1 << 30) + 14
PROFILE_UP = (1 << 30) + 15
PROFILE_DOWN = (1 << 30) + 16
SECOND_MODE = (1 << 30) + 17
BATTERY_LEVEL = (1 << 30) + 18
class Macro(IntEnum):
NONE = 0
KEY_PRESS = 1
KEY_RELEASE = 2
WAIT = 3
"""A table mapping a button's index to its usual function as defined by X
and the common desktop environments."""
BUTTON_DESCRIPTION = {
0: N_("Left mouse button click"),
1: N_("Right mouse button click"),
2: N_("Middle mouse button click"),
3: N_("Backward"),
4: N_("Forward"),
}
"""A table mapping a special function to its human-readable description."""
SPECIAL_DESCRIPTION = {
ActionSpecial.INVALID: N_("Invalid"),
ActionSpecial.UNKNOWN: N_("Unknown"),
ActionSpecial.DOUBLECLICK: N_("Doubleclick"),
ActionSpecial.WHEEL_LEFT: N_("Wheel Left"),
ActionSpecial.WHEEL_RIGHT: N_("Wheel Right"),
ActionSpecial.WHEEL_UP: N_("Wheel Up"),
ActionSpecial.WHEEL_DOWN: N_("Wheel Down"),
ActionSpecial.RATCHET_MODE_SWITCH: N_("Ratchet Mode"),
ActionSpecial.RESOLUTION_CYCLE_UP: N_("Cycle Resolution Up"),
ActionSpecial.RESOLUTION_CYCLE_DOWN: N_("Cycle Resolution Down"),
ActionSpecial.RESOLUTION_UP: N_("Resolution Up"),
ActionSpecial.RESOLUTION_DOWN: N_("Resolution Down"),
ActionSpecial.RESOLUTION_ALTERNATE: N_("Resolution Switch"),
ActionSpecial.RESOLUTION_DEFAULT: N_("Default Resolution"),
ActionSpecial.PROFILE_CYCLE_UP: N_("Cycle Profile Up"),
ActionSpecial.PROFILE_CYCLE_DOWN: N_("Cycle Profile Down"),
ActionSpecial.PROFILE_UP: N_("Profile Up"),
ActionSpecial.PROFILE_DOWN: N_("Profile Down"),
ActionSpecial.SECOND_MODE: N_("Second Mode"),
ActionSpecial.BATTERY_LEVEL: N_("Battery Level"),
}
def __init__(self, object_path):
super().__init__("Button", object_path)
def _on_properties_changed(self, proxy, changed_props, invalidated_props):
if "Mapping" in changed_props.keys():
self.notify("action-type")
def _mapping(self):
return self._get_dbus_property("Mapping")
@GObject.Property
def index(self):
"""The index of this button."""
return self._get_dbus_property("Index")
@GObject.Property
def mapping(self):
"""An integer of the current button mapping, if mapping to a button
or None otherwise."""
type, button = self._mapping()
if type != RatbagdButton.ActionType.BUTTON:
return None
return button
@mapping.setter
def mapping(self, button):
"""Set the button mapping to the given button.
@param button The button to map to, as int
"""
button = GLib.Variant("u", button)
self._set_dbus_property("Mapping", "(uv)",
(RatbagdButton.ActionType.BUTTON, button))
@GObject.Property
def macro(self):
"""A RatbagdMacro object representing the currently set macro or
None otherwise."""
type, macro = self._mapping()
if type != RatbagdButton.ActionType.MACRO:
return None
return RatbagdMacro.from_ratbag(macro)
@macro.setter
def macro(self, macro):
"""Set the macro to the macro represented by the given RatbagdMacro
object.
@param macro A RatbagdMacro object representing the macro to apply to
the button, as RatbagdMacro.
"""
macro = GLib.Variant("a(uu)", macro.keys)
self._set_dbus_property("Mapping", "(uv)",
(RatbagdButton.ActionType.MACRO, macro))
@GObject.Property
def special(self):
"""An enum describing the current special mapping, if mapped to
special or None otherwise."""
type, special = self._mapping()
if type != RatbagdButton.ActionType.SPECIAL:
return None
return special
@special.setter
def special(self, special):
"""Set the button mapping to the given special entry.
@param special The special entry, as one of RatbagdButton.ActionSpecial
"""
special = GLib.Variant("u", special)
self._set_dbus_property("Mapping", "(uv)",
(RatbagdButton.ActionType.SPECIAL, special))
@GObject.Property
def key(self):
type, key = self._mapping()
if type != RatbagdButton.ActionType.KEY:
return None
return key
@key.setter
def key(self, key):
key = GLib.Variant("u", key)
self._set_dbus_property("Mapping", "(uv)",
(RatbagdButton.ActionType.KEY, key))
@GObject.Property
def action_type(self):
"""An enum describing the action type of the button. One of
ActionType.NONE, ActionType.BUTTON, ActionType.SPECIAL,
ActionType.MACRO. This decides which
*Mapping property has a value.
"""
type, mapping = self._mapping()
return type
@GObject.Property
def action_types(self):
"""An array of possible values for ActionType."""
return self._get_dbus_property("ActionTypes")
def disable(self):
"""Disables this button."""
return self._dbus_call("Disable", "")
class RatbagdMacro(GObject.Object):
"""Represents a button macro. Note that it uses keycodes as defined by
linux/input.h and not those used by X.Org or any other higher layer such as
Gdk."""
# All keys from ecodes.KEY have a KEY_ prefix. We strip it.
_PREFIX_LEN = len("KEY_")
# Both a key press and release.
_MACRO_KEY = 1000
_MACRO_DESCRIPTION = {
RatbagdButton.Macro.KEY_PRESS: lambda key:
"↓{}".format(ecodes.KEY[key][RatbagdMacro._PREFIX_LEN:]),
RatbagdButton.Macro.KEY_RELEASE: lambda key:
"↑{}".format(ecodes.KEY[key][RatbagdMacro._PREFIX_LEN:]),
RatbagdButton.Macro.WAIT: lambda val:
"{}ms".format(val),
_MACRO_KEY: lambda key:
"↕{}".format(ecodes.KEY[key][RatbagdMacro._PREFIX_LEN:]),
}
__gsignals__ = {
'macro-set': (GObject.SignalFlags.RUN_FIRST, None, ()),
}
def __init__(self, **kwargs):
super().__init__(**kwargs)
self._macro = []
def __str__(self):
if not self._macro:
# Translators: this is used when there is no macro to preview.
return _("None")
keys = []
idx = 0
while idx < len(self._macro):
t, v = self._macro[idx]
try:
if t == RatbagdButton.Macro.KEY_PRESS:
# Check for a paired press/release event
t2, v2 = self._macro[idx + 1]
if t2 == RatbagdButton.Macro.KEY_RELEASE and v == v2:
t = self._MACRO_KEY
idx += 1
except IndexError:
pass
keys.append(self._MACRO_DESCRIPTION[t](v))
idx += 1
return " ".join(keys)
@GObject.Property
def keys(self):
"""A list of (RatbagdButton.Macro.*, value) tuples representing the
current macro."""
return self._macro
@staticmethod
def from_ratbag(macro):
"""Instantiates a new RatbagdMacro instance from the given macro in
libratbag format.
@param macro The macro in libratbag format, as
[(RatbagdButton.Macro.*, value)].
"""
ratbagd_macro = RatbagdMacro()
# Do not emit notify::keys for every key that we add.
with ratbagd_macro.freeze_notify():
for (type, value) in macro:
ratbagd_macro.append(type, value)
return ratbagd_macro
def accept(self):
"""Applies the currently cached macro."""
self.emit("macro-set")
def append(self, type, value):
"""Appends the given event to the current macro.
@param type The type of event, as one of RatbagdButton.Macro.*.
@param value If the type denotes a key event, the X.Org or Gdk keycode
of the event, as int. Otherwise, the value of the timeout
in milliseconds, as int.
"""
# Only append if the entry isn't identical to the last one, as we cannot
# e.g. have two identical key presses in a row.
if len(self._macro) == 0 or (type, value) != self._macro[-1]:
self._macro.append((type, value))
self.notify("keys")
class RatbagdLed(_RatbagdDBus):
"""Represents a ratbagd led."""
TYPE_LOGO = 1
TYPE_SIDE = 2
TYPE_BATTERY = 3
TYPE_DPI = 4
TYPE_WHEEL = 5
class Mode(IntEnum):
OFF = 0
ON = 1
CYCLE = 2
BREATHING = 3
class ColorDepth(IntEnum):
MONOCHROME = 0
RGB_888 = 1
RGB_111 = 2
LED_DESCRIPTION = {
# Translators: the LED is off.
Mode.OFF: N_("Off"),
# Translators: the LED has a single, solid color.
Mode.ON: N_("Solid"),
# Translators: the LED is cycling between red, green and blue.
Mode.CYCLE: N_("Cycle"),
# Translators: the LED's is pulsating a single color on different
# brightnesses.
Mode.BREATHING: N_("Breathing"),
}
def __init__(self, object_path):
super().__init__("Led", object_path)
@GObject.Property
def index(self):
"""The index of this led."""
return self._get_dbus_property("Index")
@GObject.Property
def mode(self):
"""This led's mode, one of Mode.OFF, Mode.ON, Mode.CYCLE and
Mode.BREATHING."""
return self._get_dbus_property("Mode")
@mode.setter
def mode(self, mode):
"""Set the led's mode to the given mode.
@param mode The new mode, as one of Mode.OFF, Mode.ON, Mode.CYCLE and
Mode.BREATHING.
"""
self._set_dbus_property("Mode", "u", mode)
@GObject.Property
def modes(self):
"""The supported modes as a list"""
return self._get_dbus_property("Modes")
@GObject.Property
def color(self):
"""An integer triple of the current LED color."""
return self._get_dbus_property("Color")
@color.setter
def color(self, color):
"""Set the led color to the given color.
@param color An RGB color, as an integer triplet with values 0-255.
"""
self._set_dbus_property("Color", "(uuu)", color)
@GObject.Property
def colordepth(self):
"""An enum describing this led's colordepth, one of
RatbagdLed.ColorDepth.MONOCHROME, RatbagdLed.ColorDepth.RGB"""
return self._get_dbus_property("ColorDepth")
@GObject.Property
def effect_duration(self):
"""The LED's effect duration in ms, values range from 0 to 10000."""
return self._get_dbus_property("EffectDuration")
@effect_duration.setter
def effect_duration(self, effect_duration):
"""Set the effect duration in ms. Allowed values range from 0 to 10000.
@param effect_duration The new effect duration, as int
"""
self._set_dbus_property("EffectDuration", "u", effect_duration)
@GObject.Property
def brightness(self):
"""The LED's brightness, values range from 0 to 255."""
return self._get_dbus_property("Brightness")
@brightness.setter
def brightness(self, brightness):
"""Set the brightness. Allowed values range from 0 to 255.
@param brightness The new brightness, as int
"""
self._set_dbus_property("Brightness", "u", brightness)