Method GetSelectedIndex

ui/UIListBox.cpp:536–549

returns which item index is selected

// returns which item index is selected
int UIListBox::GetSelectedIndex() const {
  if (m_NumItems == 0)
    return 0;

  if (m_SelectedIndex < 0)
    return m_SelectedIndex;

  if (!m_Real2Virt)
    return 0;

  int virt_index = m_Real2Virt[m_SelectedIndex];
  ASSERT(virt_index >= 0 && virt_index < m_NumItems);
  return virt_index;
}

// sets the selected index.
void UIListBox::SetSelectedIndex(int index) {