term.py 文件源码

def write_char_with_color(char, fg_col, bg_col):
    set_color(fg_col, bg_col)
    if char == '\n':
        fill_to_eol_with_bg_color() # insure bg_col covers rest of line
    if is_windows and char != '\n':
        cbuf = CONSOLE_SCREEN_BUFFER_INFO()
        stdout_handle = ctypes.windll.kernel32.GetStdHandle(ctypes.c_ulong(-11))
        ctypes.windll.kernel32.GetConsoleScreenBufferInfo(stdout_handle, ctypes.byref(cbuf))

        cursor = cbuf.dwCursorPosition
        # we only write on the left for status, so not touching cursor is fine
        written = ctypes.c_uint(0)
        char_attr = ctypes.c_uint16(cbuf.wAttributes)
        ctypes.windll.kernel32.WriteConsoleOutputAttribute(stdout_handle,
                                                           ctypes.byref(char_attr),
                                                           1,
                                                           cursor,
                                                           ctypes.byref(written))
        ctypes.windll.kernel32.WriteConsoleOutputCharacterA(stdout_handle,
                                                            ctypes.c_char_p(char),
                                                            1,
                                                            cursor,
                                                            ctypes.byref(written))
        if cursor.X < cbuf.srWindow.Right - 1:
            cursor.X += 1
            ctypes.windll.kernel32.SetConsoleCursorPosition(stdout_handle, cursor)
    else:
        sys.stdout.write(char)