mirror of
https://github.com/clinton-hall/nzbToMedia.git
synced 2025-07-16 02:02:53 -07:00
8d43b8ea39
Also updates: - importlib-metadata-0.7 - jaraco-windows - jaraco.classes-1.5 - jaraco.collections-1.6.0 - jaraco.functools-1.20 - jaraco.structures-1.1.2 - jaraco.text-1.10.1 - jaraco.ui-1.6 - more-itertools-4.3.0 - path.py-11.5.0 - six-1.12.0
54 lines
1.2 KiB
Python
54 lines
1.2 KiB
Python
#!/usr/bin/env python
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"""
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jaraco.windows.message
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Windows Messaging support
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"""
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import ctypes
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from ctypes.wintypes import HWND, UINT, WPARAM, LPARAM, DWORD, LPVOID
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import six
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LRESULT = LPARAM
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class LPARAM_wstr(LPARAM):
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"""
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A special instance of LPARAM that can be constructed from a string
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instance (for functions such as SendMessage, whose LPARAM may point to
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a unicode string).
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"""
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@classmethod
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def from_param(cls, param):
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if isinstance(param, six.string_types):
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return LPVOID.from_param(six.text_type(param))
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return LPARAM.from_param(param)
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SendMessage = ctypes.windll.user32.SendMessageW
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SendMessage.argtypes = (HWND, UINT, WPARAM, LPARAM_wstr)
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SendMessage.restype = LRESULT
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HWND_BROADCAST = 0xFFFF
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WM_SETTINGCHANGE = 0x1A
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# constants from http://msdn.microsoft.com
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# /en-us/library/ms644952%28v=vs.85%29.aspx
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SMTO_ABORTIFHUNG = 0x02
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SMTO_BLOCK = 0x01
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SMTO_NORMAL = 0x00
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SMTO_NOTIMEOUTIFNOTHUNG = 0x08
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SMTO_ERRORONEXIT = 0x20
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SendMessageTimeout = ctypes.windll.user32.SendMessageTimeoutW
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SendMessageTimeout.argtypes = SendMessage.argtypes + (
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UINT, UINT, ctypes.POINTER(DWORD)
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)
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SendMessageTimeout.restype = LRESULT
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def unicode_as_lparam(source):
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pointer = ctypes.cast(ctypes.c_wchar_p(source), ctypes.c_void_p)
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return LPARAM(pointer.value)
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