Method swapSlot

source/frontend/StarMerchantInterface.cpp:178–193

}

void MerchantPane::swapSlot() {
  ItemPtr source = m_player->inventory()->swapSlotItem();
  auto inv = m_player->inventory();
  if (context()->shiftHeld()) {
    if (m_itemGrid->selectedItem()) {
      auto remainder = inv->addItems(m_itemBag->takeItems(m_itemGrid->selectedIndex()));
      if (remainder && !remainder->empty())
        m_itemBag->setItem(m_itemGrid->selectedIndex(), remainder);
    }
  } else {
    if (auto heldItem = m_player->inventory()->swapSlotItem())
      inv->setSwapSlotItem(m_itemBag->swapItems(m_itemGrid->selectedIndex(), heldItem));
    else
      inv->setSwapSlotItem(m_itemBag->takeItems(m_itemGrid->selectedIndex()));
  }
}

void MerchantPane::buildItemList() {
  m_itemGuiList->clear();