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

core/switcher.py

@@ -0,0 +1,54 @@
+import logging
+from typing import Callable
+from monitorcontrol import get_monitors
+
+logger = logging.getLogger(__name__)
+
+VCP_INPUT_SOURCE = 0x60
+
+
+class MonitorSwitcher:
+    def __init__(self, config_manager):
+        self._config_manager = config_manager
+        self._on_switch_callbacks: list[Callable[[str], None]] = []
+
+    def apply_profile(self, profile_id: str) -> None:
+        profile = self._config_manager.get_profile(profile_id)
+        if profile is None:
+            logger.warning("Profile not found: %s", profile_id)
+            return
+
+        monitors = list(get_monitors())
+        for input_cfg in profile["monitor_inputs"]:
+            idx = input_cfg["monitor_index"]
+            vcp_value = input_cfg["vcp_value"]
+            if idx >= len(monitors):
+                logger.warning(
+                    "Monitor index %d out of range (have %d)", idx, len(monitors)
+                )
+                continue
+            try:
+                with monitors[idx] as monitor:
+                    monitor.set_vcp_feature(VCP_INPUT_SOURCE, vcp_value)
+                    logger.info("Monitor %d -> VCP input %d", idx, vcp_value)
+            except Exception as exc:
+                logger.warning("Monitor %d DDC/CI error: %s", idx, exc)
+
+        self._config_manager.set_active_profile(profile_id)
+        for cb in self._on_switch_callbacks:
+            cb(profile_id)
+
+    def on_switch(self, callback: Callable[[str], None]) -> None:
+        self._on_switch_callbacks.append(callback)
+
+    def list_monitors(self) -> list[dict]:
+        result = []
+        for idx, monitor_handle in enumerate(get_monitors()):
+            try:
+                with monitor_handle as monitor:
+                    current = monitor.get_vcp_feature(VCP_INPUT_SOURCE)
+                    result.append({"index": idx, "current_vcp": current.value})
+            except Exception as exc:
+                logger.warning("Cannot query monitor %d: %s", idx, exc)
+                result.append({"index": idx, "current_vcp": None})
+        return result