window.py 文件源码

def _cw_menu_display(cls):
        x = 0
        # Because cls with MENU will add 1 to y in _fix_xy, we need true origin
        y = -1
        # Makes the menu standout
        menu_attrs = curses.A_REVERSE | curses.A_BOLD
        saved_pos = cls.getxy()
        for menu in Menu.ALL:
            # double check we're not going to write out of bounds
            if x + len(menu.title) + 2 >= cls.WIDTH:
                raise CursedSizeError('Menu %s exceeds width of window: x=%d' %
                                      (menu.title, x))
            y = -1
            cls.addstr(menu.title + '  ', x, y, attr=menu_attrs)
            mxlen = max([len(str(i)) for i in menu.items])
            if menu is cls._OPENED_MENU:
                for item in menu.items:
                    y += 1
                    itemstr = str(item)
                    wspace = (mxlen - len(itemstr)) * ' '
                    itemstr = itemstr + wspace
                    if item is menu.selected:
                        attr = curses.A_UNDERLINE
                    else:
                        attr = curses.A_REVERSE
                    cls.addstr(itemstr, x, y, attr=attr)
            # For the empty space filler
            x += len(menu.title) + 2
        # color the rest of the top of the window
        extra = 2 if cls.BORDERED else 0
        cls.addstr(' ' * (cls.WIDTH - x - extra), x, -1, attr=menu_attrs)
        cls.move(*saved_pos)