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