Function _pty_size

invoke/terminals.py:50–77

()

if sys.platform == "win32":

    def _pty_size() -> Tuple[Optional[int], Optional[int]]:
        class CONSOLE_SCREEN_BUFFER_INFO(Structure):
            _fields_ = [
                ("dwSize", _COORD),
                ("dwCursorPosition", _COORD),
                ("wAttributes", c_ushort),
                ("srWindow", _SMALL_RECT),
                ("dwMaximumWindowSize", _COORD),
            ]

        GetStdHandle = windll.kernel32.GetStdHandle
        GetConsoleScreenBufferInfo = windll.kernel32.GetConsoleScreenBufferInfo
        GetStdHandle.restype = HANDLE
        GetConsoleScreenBufferInfo.argtypes = [
            HANDLE,
            POINTER(CONSOLE_SCREEN_BUFFER_INFO),
        ]

        hstd = GetStdHandle(-11)  # STD_OUTPUT_HANDLE = -11
        csbi = CONSOLE_SCREEN_BUFFER_INFO()
        ret = GetConsoleScreenBufferInfo(hstd, byref(csbi))

        if ret:
            sizex = csbi.srWindow.Right - csbi.srWindow.Left + 1
            sizey = csbi.srWindow.Bottom - csbi.srWindow.Top + 1
            return sizex, sizey
        else:
            return (None, None)

else: