Method SetCurrentIndex

Descent3/newui_core.cpp:2974–3015

}

void newuiListBox::SetCurrentIndex(int index) {
  if (m_NumItems == 0)
    return;

  if (index >= 0 && index < m_NumItems) {
    int real_index = m_Virt2Real[index], old_index = m_SelectedIndex;
    int i = 0, y;

    ASSERT(real_index >= 0 && real_index < m_NumItems);
    m_SelectedIndex = real_index;

    // determine how many items fit in a listbox the long way.
    for (i = 0, y = m_boffs; i < m_NumItems; i++) {
      UITextItem item(m_ItemList[i]);
      item.set_font(MONITOR9_NEWUI_FONT);

      y += item.height();
      if (y > (m_H - m_boffs - item.height())) {
        i++;
        break;
      }
    }

    if (m_SelectedIndex < m_Index) {
      m_Index = m_SelectedIndex;
    }
    if (m_SelectedIndex >= (m_Index + i)) {
      m_Index = m_SelectedIndex - i + 1;
    }
    if (m_Index < 0) {
      m_Index = 0;
    }

    // call callbacks if selection really changed.
    if (old_index != m_SelectedIndex) {
      if (selectchange_fn)
        (*selectchange_fn)(index);
      if (selectchange_id_fn)
        (*selectchange_id_fn)(GetID(), m_callbackptr);
    }
  }
}

void newuiListBox::SetInternalCurrentIndex(int index) {}