"""X11 test only: inject 32 alternating left/right clicks into the bench window."""
import ctypes

x11 = ctypes.CDLL("libX11.so.6")
xtest = ctypes.CDLL("libXtst.so.6")
x11.XOpenDisplay.argtypes = [ctypes.c_char_p]
x11.XOpenDisplay.restype = ctypes.c_void_p
x11.XFlush.argtypes = [ctypes.c_void_p]
x11.XCloseDisplay.argtypes = [ctypes.c_void_p]
xtest.XTestFakeMotionEvent.argtypes = [ctypes.c_void_p, ctypes.c_int,
                                     ctypes.c_int, ctypes.c_int, ctypes.c_ulong]
xtest.XTestFakeButtonEvent.argtypes = [ctypes.c_void_p, ctypes.c_uint,
                                     ctypes.c_int, ctypes.c_ulong]
display = x11.XOpenDisplay(None)
if not display:
    raise RuntimeError("X11 unavailable")
try:
    for index in range(32):
        x = 640 if index % 2 == 0 else 1920
        assert xtest.XTestFakeMotionEvent(display, -1, x, 600, 0)
        assert xtest.XTestFakeButtonEvent(display, 1, 1, 0)
        assert xtest.XTestFakeButtonEvent(display, 1, 0, 0)
    x11.XFlush(display)
finally:
    x11.XCloseDisplay(display)
print("Injected 32 clicks, expected L,R alternating; final pointer on R")