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/injection/macros/tasks/if_single.py

@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+# -*- 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/>.
+
+from __future__ import annotations
+
+import asyncio
+
+from evdev.ecodes import EV_KEY
+
+from inputremapper.injection.macros.argument import ArgumentConfig
+from inputremapper.injection.macros.macro import Macro
+from inputremapper.injection.macros.task import Task
+from inputremapper.input_event import InputEvent
+
+
+class IfSingleTask(Task):
+    """If a key was pressed without combining it."""
+
+    argument_configs = [
+        ArgumentConfig(
+            name="then",
+            position=0,
+            types=[Macro, None],
+        ),
+        ArgumentConfig(
+            name="else",
+            position=1,
+            types=[Macro, None],
+        ),
+        ArgumentConfig(
+            name="timeout",
+            position=2,
+            types=[int, float, None],
+            default=None,
+        ),
+    ]
+
+    async def run(self, callback) -> None:
+        assert self.context is not None
+        another_key_pressed_event = asyncio.Event()
+        then = self.get_argument("then").get_value()
+        else_ = self.get_argument("else").get_value()
+
+        async def listener(event: InputEvent) -> None:
+            if event.type != EV_KEY:
+                # Ignore anything that is not a key
+                return
+
+            if event.is_pressed():
+                # Another key was pressed
+                another_key_pressed_event.set()
+                return
+
+        self.add_event_listener(listener)
+
+        timeout = self.get_argument("timeout").get_value()
+
+        # Wait for anything of importance to happen, that would determine the
+        # outcome of the if_single macro.
+        await asyncio.wait(
+            [
+                asyncio.Task(another_key_pressed_event.wait()),
+                asyncio.Task(self._trigger_release_event.wait()),
+            ],
+            timeout=timeout / 1000 if timeout else None,
+            return_when=asyncio.FIRST_COMPLETED,
+        )
+
+        self.remove_event_listener(listener)
+
+        if not self.is_holding():
+            if then:
+                await then.run(callback)
+        else:
+            # If the trigger has not been released, then `await asyncio.wait` above
+            # could only have finished waiting due to a timeout, or because another
+            # key was pressed.
+            if else_:
+                await else_.run(callback)