def pointer_grab(window, *args):
hwnd = get_window_handle(window)
grablog("pointer_grab%s window=%s, hwnd=%s", args, window, hwnd)
if not hwnd:
window._client.pointer_grabbed = None
return
wrect = RECT()
GetWindowRect(hwnd, byref(wrect))
grablog("GetWindowRect(%i)=%s", hwnd, wrect)
if DwmGetWindowAttribute:
# Vista & 7 stuff
rect = RECT()
DWMWA_EXTENDED_FRAME_BOUNDS = 9
DwmGetWindowAttribute(HWND(hwnd), DWORD(DWMWA_EXTENDED_FRAME_BOUNDS),
byref(rect), sizeof(rect))
#wx1,wy1,wx2,wy2 = rect.left, rect.top, rect.right, rect.bottom
grablog("DwmGetWindowAttribute: DWMWA_EXTENDED_FRAME_BOUNDS(%i)=%s",
hwnd, (rect.left, rect.top, rect.right, rect.bottom))
bx = GetSystemMetrics(win32con.SM_CXSIZEFRAME)
by = GetSystemMetrics(win32con.SM_CYSIZEFRAME)
top = by
style = GetWindowLongW(hwnd, win32con.GWL_STYLE)
if style & win32con.WS_CAPTION:
top += GetSystemMetrics(win32con.SM_CYCAPTION)
grablog(" window style=%s, SIZEFRAME=%s, top=%i", style_str(style),
(bx, by), top)
coords = wrect.left + bx, wrect.top + top, wrect.right - bx, wrect.bottom - by
clip = RECT(*coords)
r = ClipCursor(clip)
grablog("ClipCursor%s=%s", coords, r)
window._client.pointer_grabbed = window._id
def pointer_ungrab(window, *args):
hwnd = get_window_handle(window)
grablog("pointer_ungrab%s window=%s, hwnd=%s", args, window, hwnd)
if hwnd:
grablog("ClipCursor(None)")
ClipCursor(None)
window._client.pointer_grabbed = False