def BestWindowFromPoint(point):
x, y = point
foundWindow = WindowFromPoint(POINT(x, y))
hWnds = GetWindowChildsList(GetAncestor(foundWindow, GA_ROOT), True)
if not hWnds:
return foundWindow
foundWindowArea = sys.maxint
rect = RECT()
clientPoint = POINT()
for hWnd in hWnds:
GetWindowRect(hWnd, byref(rect))
if (
x >= rect.left and
x <= rect.right and
y >= rect.top and
y <= rect.bottom
):
hdc = GetDC(hWnd)
clientPoint.x, clientPoint.y = x, y
ScreenToClient(hWnd, byref(clientPoint))
if PtVisible(hdc, clientPoint.x, clientPoint.y):
area = (rect.right - rect.left) * (rect.bottom - rect.top)
if area < foundWindowArea:
foundWindow = hWnd
foundWindowArea = area
ReleaseDC(hWnd, hdc)
return foundWindow
def GetHwndChildren(hWnd, invisible):
"""
Return a list of all direct children of the window 'hwnd'.
"""
return [
childHwnd for childHwnd in GetWindowChildsList(hWnd, invisible)
if GetParent(childHwnd) == hWnd
]