wgetch 未检测到 KEY_UP 等

Question

我已经为 my_win 启用了键盘，但是当我在运行程序后按 KEY_UP 时，没有任何反应。奇怪的是它与 stdscr 一起工作得很好。这似乎只是 my_win.

的问题

/* Selects different elements of the list */
    while ((ch = wgetch(my_win)) != 'q')
    {
        sprintf(item, "%-12s", list[i]);
        mvwprintw(my_win, i + 1, 2, "%s", item);

        switch(ch)
        {
            case KEY_LEFT:
                destroy_win(my_win);
                my_win = create_newwin(height, width, starty,--startx);
                wprintw(my_win, "This is some text");
                wrefresh(my_win);
                break;
            case 'd':
                destroy_win(my_win);
                my_win = create_newwin(height, width, starty,++startx);
                wprintw(my_win, "This is some text");
                wrefresh(my_win);
                break;
            case 'w':
                destroy_win(my_win);
                my_win = create_newwin(height, width, --starty,startx);
                wprintw(my_win, "This is some text");
                wrefresh(my_win);
                break;
            case 's':
                destroy_win(my_win);
                my_win = create_newwin(height, width, ++starty,startx);
                wprintw(my_win, "This is some text");
                wrefresh(my_win);
                break;  
            case KEY_UP:
                i--;
                i = (i < 0) ? 4 : i;
                break;
            case KEY_DOWN:
                i++;
                i = (i < 0) ? 4 : i;
                break;
        }

Answer 1

keypad 函数仅适用于作为其参数给出的 window。当你使用 newwin 等时，那些 return a window 未设置键盘模式的

newwin 文档指出

Regardless of the function used for creating a new window (e.g., newwin, subwin, derwin, newpad), rather than a duplicate (with dupwin), all of the window modes are initialized to the default values. These functions set window modes after a window is created:
idcok, idlok, immedok, keypad, leaveok, nodelay, scrollok,
setscrreg, syncok, wbkgdset, wbkgrndset, and wtimeout

wgetch 未检测到 KEY_UP 等

wgetch is not detecting KEY_UP etc

ncurses

curses