47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
import ctypes
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import ctypes.util
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from gi.repository import GdkX11
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class XScreenSaverInfo(ctypes.Structure):
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_fields_ = [
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('window', ctypes.c_ulong),
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('state', ctypes.c_int),
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('kind', ctypes.c_int),
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('til_or_since', ctypes.c_ulong),
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('idle', ctypes.c_ulong),
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('eventMask', ctypes.c_ulong)
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]
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XScreenSaverInfo_p = ctypes.POINTER(XScreenSaverInfo)
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display_p = ctypes.c_void_p
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xid = ctypes.c_ulong
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c_int_p = ctypes.POINTER(ctypes.c_int)
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libXsspath = ctypes.util.find_library('Xss')
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if libXsspath == None:
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raise OSError('libXss could not be found.')
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libXss = ctypes.cdll.LoadLibrary(libXsspath)
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libXss.XScreenSaverQueryExtension.argtypes = display_p, c_int_p, c_int_p
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libXss.XScreenSaverAllocInfo.restype = XScreenSaverInfo_p
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libXss.XScreenSaverQueryInfo.argtypes = (display_p, xid, XScreenSaverInfo_p)
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dpy_p = hash(GdkX11.x11_get_default_xdisplay())
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rootwindow = GdkX11.x11_get_default_root_xwindow()
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_event_basep = ctypes.c_int()
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_error_basep = ctypes.c_int()
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if libXss.XScreenSaverQueryExtension(ctypes.c_void_p(dpy_p), ctypes.byref(_event_basep),
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ctypes.byref(_error_basep)) == 0:
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raise OSError('XScreenSaver Extension not available on display.')
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xss_info_p = libXss.XScreenSaverAllocInfo()
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if xss_info_p == None:
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raise OSError('XScreenSaverAllocInfo: Out of Memory.')
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def getIdleSec():
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if libXss.XScreenSaverQueryInfo(dpy_p, rootwindow, xss_info_p) == 0:
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return 0
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else:
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return int(xss_info_p.contents.idle) / 1000
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