chore(repo): baseline du fork input-remapper (upstream v2.2.1)

Le dépôt ne contenait que README.md ; ajout de l'intégralité du code
fonctionnel du fork comme socle stable de la branche de release.
L'état runtime d'orchestration (.ideai/) est exclu du suivi.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

inputremapper/gui/messages/message_broker.py

@@ -0,0 +1,120 @@
+# -*- 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 os.path
+import re
+import traceback
+from collections import defaultdict, deque
+from typing import (
+    Callable,
+    Dict,
+    Set,
+    Protocol,
+    Tuple,
+    Deque,
+    Any,
+)
+
+from inputremapper.gui.messages.message_types import MessageType
+from inputremapper.logging.logger import logger
+
+
+class Message(Protocol):
+    """The protocol any message must follow to be sent with the MessageBroker."""
+
+    @property
+    def message_type(self) -> MessageType: ...
+
+
+# useful type aliases
+MessageListener = Callable[[Any], None]
+
+
+class MessageBroker:
+    shorten_path = re.compile(r"inputremapper/")
+
+    def __init__(self):
+        self._listeners: Dict[MessageType, Set[MessageListener]] = defaultdict(set)
+        self._messages: Deque[Tuple[Message, str, int]] = deque()
+        self._publishing = False
+
+    def publish(self, data: Message):
+        """Schedule a massage to be sent.
+        The message will be sent after all currently pending messages are sent."""
+        self._messages.append((data, *self.get_caller()))
+        self._publish_all()
+
+    def signal(self, signal: MessageType):
+        """Send a signal without any data payload."""
+        # This is different from calling self.publish because self.get_caller()
+        # looks back at the current stack 3 frames
+        self._messages.append((Signal(signal), *self.get_caller()))
+        self._publish_all()
+
+    def _publish(self, data: Message, file: str, line: int):
+        logger.debug(
+            "from %s:%d: Signal=%s: %s", file, line, data.message_type.name, data
+        )
+        for listener in self._listeners[data.message_type].copy():
+            listener(data)
+
+    def _publish_all(self):
+        """Send all scheduled messages in order."""
+        if self._publishing:
+            # don't run this twice, so we not mess up the order
+            return
+
+        self._publishing = True
+        try:
+            while self._messages:
+                self._publish(*self._messages.popleft())
+        finally:
+            self._publishing = False
+
+    def subscribe(self, massage_type: MessageType, listener: MessageListener):
+        """Attach a listener to an event."""
+        logger.debug("adding new Listener for %s: %s", massage_type, listener)
+        self._listeners[massage_type].add(listener)
+        return self
+
+    @staticmethod
+    def get_caller(position: int = 3) -> Tuple[str, int]:
+        """Extract a file and line from current stack and format for logging."""
+        tb = traceback.extract_stack(limit=position)[0]
+        return os.path.basename(tb.filename), tb.lineno or 0
+
+    def unsubscribe(self, listener: MessageListener) -> None:
+        for listeners in self._listeners.values():
+            try:
+                listeners.remove(listener)
+            except KeyError:
+                pass
+
+
+class Signal:
+    """Send a Message without any associated data over the MassageBus."""
+
+    def __init__(self, message_type: MessageType):
+        self.message_type: MessageType = message_type
+
+    def __str__(self):
+        return f"Signal: {self.message_type}"
+
+    def __eq__(self, other: Any):
+        return type(self) is type(other) and self.message_type == other.message_type