menu.py 文件源码

def display(self):
        self.window.clear()
        self.showdetail()

        while True:
            self.has_focus = True
            self.next_window.has_focus = False

            self.window.refresh()
            curses.doupdate()

            self.update()

            key = self.window.getch()

            if key in [curses.KEY_ENTER, ord('\n')]:
                return self.position

            if key == curses.KEY_UP:
                if self.position == 0:
                    self.navigate(self.last_item_index)
                else:
                    self.navigate(-1)

            elif key == curses.KEY_DOWN:
                self.navigate(1)

            elif key == curses.KEY_RIGHT or key == curses.KEY_LEFT:
                self.has_focus = False
                self.update()
                self.next_window.display()