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

config/config.json

@@ -0,0 +1,44 @@
+{
+  "active_profile": "pc1_dp",
+  "profiles": [
+    {
+      "id": "pc1_dp",
+      "name": "PC1 — DP",
+      "hotkey": "ctrl+alt+1",
+      "monitor_inputs": [
+        {"monitor_index": 0, "vcp_value": 15},
+        {"monitor_index": 1, "vcp_value": 15}
+      ]
+    },
+    {
+      "id": "pc2_hdmi",
+      "name": "PC2 — HDMI",
+      "hotkey": "ctrl+alt+2",
+      "monitor_inputs": [
+        {"monitor_index": 0, "vcp_value": 17},
+        {"monitor_index": 1, "vcp_value": 17}
+      ]
+    }
+  ],
+  "device_triggers": [
+    {
+      "name": "HP 975 keyboard",
+      "bt_device_id": "VID&0203F0_PID&6343",
+      "on_connect": "pc1_dp",
+      "on_disconnect": "pc2_hdmi",
+      "enabled": true
+    },
+    {
+      "name": "MX Anywhere 2S",
+      "bt_device_id": "VID&02046D_PID&B01A",
+      "on_connect": "pc1_dp",
+      "on_disconnect": "pc2_hdmi",
+      "enabled": true
+    }
+  ],
+  "general": {
+    "autostart": true,
+    "minimize_to_tray": true,
+    "debounce_ms": 500
+  }
+}

config/config_manager.py

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+import json
+import copy
+from pathlib import Path
+from typing import Callable
+
+DEFAULT_CONFIG = {
+    "active_profile": "pc1_dp",
+    "profiles": [
+        {
+            "id": "pc1_dp",
+            "name": "PC1 \u2014 DP",
+            "hotkey": "ctrl+alt+1",
+            "monitor_inputs": [
+                {"monitor_index": 0, "vcp_value": 15},
+                {"monitor_index": 1, "vcp_value": 15}
+            ]
+        },
+        {
+            "id": "pc2_hdmi",
+            "name": "PC2 \u2014 HDMI",
+            "hotkey": "ctrl+alt+2",
+            "monitor_inputs": [
+                {"monitor_index": 0, "vcp_value": 17},
+                {"monitor_index": 1, "vcp_value": 17}
+            ]
+        }
+    ],
+    "device_triggers": [
+        {
+            "name": "HP 975 keyboard",
+            "bt_device_id": "VID&0203F0_PID&6343",
+            "on_connect": "pc1_dp",
+            "on_disconnect": "pc2_hdmi",
+            "enabled": True
+        },
+        {
+            "name": "MX Anywhere 2S",
+            "bt_device_id": "VID&02046D_PID&B01A",
+            "on_connect": "pc1_dp",
+            "on_disconnect": "pc2_hdmi",
+            "enabled": True
+        }
+    ],
+    "general": {
+        "autostart": True,
+        "minimize_to_tray": True,
+        "debounce_ms": 500
+    }
+}
+
+
+class ConfigManager:
+    def __init__(self, config_path=None):
+        if config_path is None:
+            config_path = Path(__file__).parent / "config.json"
+        self.config_path = Path(config_path)
+        self._config: dict = {}
+        self._callbacks: list[Callable] = []
+        self.load()
+
+    def load(self) -> None:
+        if self.config_path.exists():
+            try:
+                with open(self.config_path, "r", encoding="utf-8") as f:
+                    self._config = json.load(f)
+            except (json.JSONDecodeError, OSError):
+                self._config = copy.deepcopy(DEFAULT_CONFIG)
+        else:
+            self._config = copy.deepcopy(DEFAULT_CONFIG)
+            self.save()
+
+    def save(self) -> None:
+        self.config_path.parent.mkdir(parents=True, exist_ok=True)
+        with open(self.config_path, "w", encoding="utf-8") as f:
+            json.dump(self._config, f, indent=2, ensure_ascii=False)
+
+    def get(self) -> dict:
+        return self._config
+
+    def update(self, new_config: dict) -> None:
+        self._config = new_config
+        self.save()
+        for cb in self._callbacks:
+            cb(self._config)
+
+    def on_change(self, callback: Callable) -> None:
+        self._callbacks.append(callback)
+
+    def get_profile(self, profile_id: str) -> dict | None:
+        for p in self._config.get("profiles", []):
+            if p["id"] == profile_id:
+                return p
+        return None
+
+    def get_active_profile_id(self) -> str:
+        return self._config.get("active_profile", "pc1_dp")
+
+    def set_active_profile(self, profile_id: str) -> None:
+        self._config["active_profile"] = profile_id
+        self.save()