feat: Linux-Hotkey-Record via evdev

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tests/test_tray.py

@@ -268,3 +268,110 @@ class TestCreateTray:
         assert AppState.WAITING is not None
         assert AppState.RECORDING is not None
         assert AppState.TRANSCRIBING is not None
+
+
+@pytest.mark.skipif(sys.platform != "linux", reason="evdev-Record nur auf Linux")
+class TestRecordHotkeyEvdev:
+    def test_first_keydown_triggers_on_result(self):
+        import threading
+        from unittest.mock import MagicMock, patch
+
+        fake_event = MagicMock()
+        fake_event.type = 1  # EV_KEY
+        fake_event.code = 88  # KEY_F12
+        fake_event.value = 1  # Keydown
+
+        fake_device = MagicMock()
+        fake_device.fd = 42
+        fake_device.read.return_value = iter([fake_event])
+        fake_device.close = MagicMock()
+
+        cancel = threading.Event()
+        results: list[tuple[str, bool]] = []
+
+        def on_result(name, conflict):
+            results.append((name, conflict))
+
+        with patch(
+            "whisper_local.tray._hotkey_record_evdev.find_all_keyboards",
+            return_value=[fake_device],
+        ), patch(
+            "whisper_local.tray._hotkey_record_evdev.selectors.DefaultSelector"
+        ) as mock_sel_cls:
+            mock_sel = MagicMock()
+            mock_sel_cls.return_value = mock_sel
+            sel_key = MagicMock()
+            sel_key.data = fake_device
+            mock_sel.select.return_value = [(sel_key, None)]
+            from whisper_local.tray._hotkey_record_evdev import record_hotkey
+            record_hotkey(on_result, cancel)
+
+        assert results == [("KEY_F12", False)]
+        fake_device.close.assert_called_once()
+
+    def test_cancel_event_stops_recording(self):
+        import threading
+        from unittest.mock import MagicMock, patch
+
+        fake_device = MagicMock()
+        fake_device.fd = 42
+        fake_device.read.return_value = iter([])
+        fake_device.close = MagicMock()
+
+        cancel = threading.Event()
+        cancel.set()
+
+        results: list[tuple[str, bool]] = []
+
+        with patch(
+            "whisper_local.tray._hotkey_record_evdev.find_all_keyboards",
+            return_value=[fake_device],
+        ), patch(
+            "whisper_local.tray._hotkey_record_evdev.selectors.DefaultSelector"
+        ) as mock_sel_cls:
+            mock_sel = MagicMock()
+            mock_sel_cls.return_value = mock_sel
+            mock_sel.select.return_value = []
+            from whisper_local.tray._hotkey_record_evdev import record_hotkey
+            record_hotkey(lambda n, c: results.append((n, c)), cancel)
+
+        assert results == []
+        fake_device.close.assert_called_once()
+
+    def test_ignores_key_up_events(self):
+        import threading
+        from unittest.mock import MagicMock, patch
+
+        key_up = MagicMock()
+        key_up.type = 1
+        key_up.code = 88
+        key_up.value = 0
+
+        key_down = MagicMock()
+        key_down.type = 1
+        key_down.code = 88
+        key_down.value = 1
+
+        fake_device = MagicMock()
+        fake_device.fd = 42
+        fake_device.read.return_value = iter([key_up, key_down])
+        fake_device.close = MagicMock()
+
+        cancel = threading.Event()
+        results: list[tuple[str, bool]] = []
+
+        with patch(
+            "whisper_local.tray._hotkey_record_evdev.find_all_keyboards",
+            return_value=[fake_device],
+        ), patch(
+            "whisper_local.tray._hotkey_record_evdev.selectors.DefaultSelector"
+        ) as mock_sel_cls:
+            mock_sel = MagicMock()
+            mock_sel_cls.return_value = mock_sel
+            sel_key = MagicMock()
+            sel_key.data = fake_device
+            mock_sel.select.return_value = [(sel_key, None)]
+            from whisper_local.tray._hotkey_record_evdev import record_hotkey
+            record_hotkey(lambda n, c: results.append((n, c)), cancel)
+
+        assert results == [("KEY_F12", False)]