I did this a little while ago, there's some setup stuff in here for
sending keyboard commands as well. Coercing the structs into python was
the hardest part. Basically Click(x,y) moves the mouse to the specified
spot on the screen (not window) sends a mouse down followed by mouse up
event then returns to your original position. Sorry for lack of
comments.
from ctypes import *
import time
PUL = POINTER(c_ulong)
class KeyBdInput(Structure):
_fields_ = [("wVk", c_ushort),
("wScan", c_ushort),
("dwFlags", c_ulong),
("time", c_ulong),
("dwExtraInfo", PUL)]
class HardwareInput(Structure):
_fields_ = [("uMsg", c_ulong),
("wParamL", c_short),
("wParamH", c_ushort)]
class MouseInput(Structure):
_fields_ = [("dx", c_long),
("dy", c_long),
("mouseData", c_ulong),
("dwFlags", c_ulong),
("time",c_ulong),
("dwExtraInfo", PUL)]
class Input_I(Union):
_fields_ = [("ki", KeyBdInput),
("mi", MouseInput),
("hi", HardwareInput)]
class Input(Structure):
_fields_ = [("type", c_ulong),
("ii", Input_I)]
class POINT(Structure):
_fields_ = [("x", c_ulong),
("y", c_ulong)]
def Click(x,y):
orig = POINT()
windll.user32.GetCursorPos(byref(orig))
windll.user32.SetCursorPos(x,y)
FInputs = Input * 2
extra = c_ulong(0)
ii_ = Input_I()
ii_.mi = MouseInput( 0, 0, 0, 2, 0, pointer(extra) )
ii2_ = Input_I()
ii2_.mi = MouseInput( 0, 0, 0, 4, 0, pointer(extra) )
x = FInputs( ( 0, ii_ ), ( 0, ii2_ ) )
windll.user32.SendInput(2, pointer(x), sizeof(x[0]))
return orig.x, orig.y
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