feat: full implementation - switcher, device watcher, hotkeys, tray, settings UI

main.py

@@ -0,0 +1,67 @@
+import sys
+import queue
+import threading
+import logging
+
+from PyQt6.QtWidgets import QApplication
+from PyQt6.QtCore import QTimer
+
+from config.config_manager import ConfigManager
+from core.switcher import MonitorSwitcher
+from core.device_watcher import DeviceWatcher
+from core.hotkey_manager import HotkeyManager
+from ui.tray import TrayApp
+
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s %(name)s %(levelname)s %(message)s",
+)
+
+
+def main() -> None:
+    app = QApplication(sys.argv)
+    app.setQuitOnLastWindowClosed(False)
+
+    config = ConfigManager()
+    switcher = MonitorSwitcher(config)
+    watcher = DeviceWatcher(config, switcher)
+    hotkeys = HotkeyManager(config, switcher)
+
+    settings_queue: queue.Queue = queue.Queue()
+    tray = TrayApp(config, switcher, settings_queue)
+
+    watcher.start()
+    hotkeys.register_all()
+
+    tray_thread = threading.Thread(
+        target=tray.run_tray, daemon=True, name="TrayThread"
+    )
+    tray_thread.start()
+
+    settings_window = None
+
+    def process_queue() -> None:
+        nonlocal settings_window
+        while not settings_queue.empty():
+            cmd = settings_queue.get_nowait()
+            if cmd == "open_settings":
+                from ui.settings_window import SettingsWindow
+                if settings_window is None or not settings_window.isVisible():
+                    settings_window = SettingsWindow(config, switcher, hotkeys)
+                settings_window.show()
+                settings_window.raise_()
+                settings_window.activateWindow()
+            elif cmd == "exit":
+                hotkeys.unregister_all()
+                watcher.stop()
+                app.quit()
+
+    timer = QTimer()
+    timer.timeout.connect(process_queue)
+    timer.start(100)
+
+    sys.exit(app.exec())
+
+
+if __name__ == "__main__":
+    main()