[python-win32] Re: A Python Service that monitors the clipboard?

[VanL]

Thanks for the replies so far.
I have played a little bit with the clipboard code, and I found the 
ctypes code snippet reproduced this message. I have tweaked this a 
little bit and was going to use this to set the clipboard text across 
processes.

The thing that I can't figure out is how to have a service that waits on 
the clipboard - i.e., has a function that is called when the clipboard 
changes.  I was then going to look at the text on the clipboard to 
dtermine whether I should replace any of it.

VanL
------------------------------------
from:
<http://aspn.activestate.com/ASPN/Mail/Message/ctypes-users/1771866>
I was going to use this to set the clipboard text across processes
from ctypes import *
from win32con import CF_TEXT, GHND
OpenClipboard = windll.user32.OpenClipboard
EmptyClipboard = windll.user32.EmptyClipboard
GetClipboardData = windll.user32.GetClipboardData
SetClipboardData = windll.user32.SetClipboardData
CloseClipboard = windll.user32.CloseClipboard
GlobalLock = windll.kernel32.GlobalLock
GlobalAlloc = windll.kernel32.GlobalAlloc
GlobalUnlock = windll.kernel32.GlobalUnlock
memcpy = cdll.msvcrt.memcpy
def GetClipboardText():
     text = ""
     if OpenClipboard(c_int(0)):
         hClipMem = GetClipboardData(c_int(CF_TEXT))
         GlobalLock.restype = c_char_p
         text = GlobalLock(c_int(hClipMem))
         GlobalUnlock(c_int(hClipMem))
         CloseClipboard()
     return text
def SetClipboardText(text):
     buffer = c_buffer(text)
     bufferSize = sizeof(buffer)
     hGlobalMem = GlobalAlloc(c_int(GHND), c_int(bufferSize))
     GlobalLock.restype = c_void_p
     lpGlobalMem = GlobalLock(c_int(hGlobalMem))
     memcpy(lpGlobalMem, addressof(buffer), c_int(bufferSize))
     GlobalUnlock(c_int(hGlobalMem))
     if OpenClipboard(0):
         EmptyClipboard()
         SetClipboardData(c_int(CF_TEXT), c_int(hGlobalMem))
         CloseClipboard()
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