Method _render

crawl-ref/source/menu.cc:560–623

#endif

void UIMenu::_render()
{
#ifdef USE_TILE_LOCAL
    if (m_buffers_dirty)
    {
        pack_buffers();
        m_buffers_dirty = false;
    }

    GLW_3VF t = {(float)m_region.x, (float)m_region.y, 0}, s = {1, 1, 1};
    glmanager->set_transform(t, s);

    m_shape_buf.draw();
    m_div_line_buf.draw();
    for (int i = 0; i < TEX_MAX; i++)
        m_tile_buf[i].draw();
    m_text_buf.draw();
    m_line_buf.draw();

    glmanager->reset_transform();
#else

    int vis_min, vis_max;
    is_visible_item_range(&vis_min, &vis_max);
    const int scroll = m_menu->m_ui.scroller->get_scroll();

    for (int i = vis_min; i < vis_max; i++)
    {
        const MenuEntry *me = m_menu->items[i];
        int y = item_info[i].y - item_info[vis_min].y + 1;
        int x = item_info[i].x + item_info[i].column * m_nat_column_width;
        cgotoxy(m_region.x + x + 1, m_region.y + scroll + y);
        const int col = m_menu->item_colour(me);
        textcolour(col);

        // TODO: is this highlighting good enough for accessibility purposes?
        if (m_hover_idx == i)
            textbackground(default_hover_colour());
        // XX these will format the hover differently.
        // TODO: multiline entries
        if (m_menu->get_flags() & MF_ALLOW_FORMATTING)
        {
            formatted_string s = formatted_string::parse_string(
                me->get_text(), col);
            // headings always occupy full width
            if (item_info[i].heading)
                s.chop(m_region.width).display();
            else
                s.chop(m_nat_column_width).display();
        }
        else
        {
            string text = me->get_text();
            // headings always occupy full width
            if (item_info[i].heading)
                text = chop_string(text, m_region.width);
            else
                text = chop_string(text, m_nat_column_width);