Function skill_menu

crawl-ref/source/skill-menu.cc:1815–1931

#endif

void skill_menu(int flag, int exp)
{
    // experience potion; you may elect to put experience in normally
    // untrainable skills (e.g. skills that your god hates). The only
    // case where we abort is if all in-principle trainable skills are maxed.
    if (flag & SKMF_EXPERIENCE && !trainable_skills(true))
    {
        mpr("You feel omnipotent.");
        return;
    }

    unwind_bool xp_gain(crawl_state.simulating_xp_gain, flag & SKMF_EXPERIENCE);

    // notify the player again
    you.received_noskill_warning = false;

    you.exp_available += exp;

    bool done = false;
    auto skill_menu_ui = make_shared<UISkillMenu>(flag);
    auto popup = make_shared<ui::Popup>(skill_menu_ui);

    skill_menu_ui->on_keydown_event([&done, &skill_menu_ui](const KeyEvent& ev) {
        const auto keyn = numpad_to_regular(ev.key(), true);

        skill_menu_ui->_expose();

        if (!skm.process_key(keyn))
        {
            switch (keyn)
            {
            case CK_UP:
            case CK_DOWN:
            case CK_LEFT:
            case CK_RIGHT:
                return true;
            case CK_ENTER:
                if (!skm.is_set(SKMF_EXPERIENCE))
                    return true;
            // Fallthrough. In experience mode, you can exit with enter.
            case CK_ESCAPE:
                // Escape cancels help if it is being displayed.
                if (skm.is_set(SKMF_HELP))
                {
                    skm.cancel_help();
                    return true;
                }
                else if (skm.is_set(SKMF_SET_TARGET))
                {
                    skm.cancel_set_target();
                    return true;
                }
            // Fallthrough
            default:
                if (ui::key_exits_popup(keyn, true) && skm.exit(false))
                    return done = true;
                // Don't exit from !experience on random keys.
                if (!skm.is_set(SKMF_EXPERIENCE) && skm.exit(false))