69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
import threading
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import win32con
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import win32api
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import win32gui
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import time
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import logging
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from ctypes import POINTER, windll, Structure, cast, CFUNCTYPE, c_int, c_uint, c_void_p, c_bool
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from comtypes import GUID
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from ctypes.wintypes import HANDLE, DWORD
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PBT_POWERSETTINGCHANGE = 0x8013 # 32787
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GUID_CONSOLE_DISPLAY_STATE = "{6FE69556-704A-47A0-8F24-C28D936FDA47}"
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GUID_MONITOR_POWER_ON = "{02731015-4510-4526-99E6-E5A17EBD1AEA}"
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logger = logging.getLogger()
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class Win32NotificationReceiver():
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running_flag = False
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def __init__(self, recipient):
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super().__init__()
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self.recipient = recipient
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self.__prepare_win32gui_message()
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def __prepare_win32gui_message(self):
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guids_info = {
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"GUID_MONITOR_POWER_ON": GUID_MONITOR_POWER_ON,
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"GUID_CONSOLE_DISPLAY_STATE": GUID_CONSOLE_DISPLAY_STATE,
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}
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logger.info("----")
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for name, guid_info in guids_info.items():
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logger.info(self.recipient)
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result = windll.user32.RegisterPowerSettingNotification(HANDLE(self.recipient), GUID(guid_info), DWORD(1))
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logger.info(f'registering {name}')
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logger.info(f"result: {hex(result)}")
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logger.info(f"lastError: {win32api.GetLastError()}")
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logger.info("----")
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def event_handler(self, event_type, raw_data):
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if event_type == PBT_POWERSETTINGCHANGE:
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logger.debug("Power setting changed...")
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logger.debug("raw_data:")
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logger.debug(raw_data)
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power_setting = str(raw_data[0])
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logger.debug("Power Setting: ")
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logger.debug(power_setting)
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data = list(raw_data[1])
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logger.debug("Data: ")
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logger.debug(data)
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if power_setting == GUID_CONSOLE_DISPLAY_STATE:
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if data[0] == 0:
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logger.debug("Display off")
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if data[0] == 1:
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logger.debug("Display on")
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if data[0] == 2:
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logger.debug("Display dimmed")
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elif power_setting == GUID_MONITOR_POWER_ON:
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if data[0] == 0:
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logger.debug("Monitor off")
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if data[0] == 1:
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logger.debug("Monitor on")
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else:
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logger.warning("unknown GUID")
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