Method OrderClick_Unload

src/order_gui.cpp:643–662

* Handle the click on the unload button. * @param unload_type Unload flag to apply. If matches existing unload type, toggles to default of 'unload if possible'. * @param toggle If we toggle or not (used for hotkey behavior) */

	 * @param toggle If we toggle or not (used for hotkey behavior)
	 */
	void OrderClick_Unload(OrderUnloadType unload_type, bool toggle = false)
	{
		VehicleOrderID sel_ord = this->OrderGetSel();
		const Order *order = this->vehicle->GetOrder(sel_ord);

		if (order == nullptr) return;

		if (toggle && order->GetUnloadType() == unload_type) {
			unload_type = OrderUnloadType::UnloadIfPossible;
		}
		if (order->GetUnloadType() == unload_type) return; // If we still match, do nothing

		Command<CMD_MODIFY_ORDER>::Post(STR_ERROR_CAN_T_MODIFY_THIS_ORDER, this->vehicle->tile, this->vehicle->index, sel_ord, MOF_UNLOAD, to_underlying(unload_type));

		/* Transfer and unload orders with leave empty as default */
		if (unload_type == OrderUnloadType::Transfer || unload_type == OrderUnloadType::Unload) {
			Command<CMD_MODIFY_ORDER>::Post(this->vehicle->tile, this->vehicle->index, sel_ord, MOF_LOAD, to_underlying(OrderLoadType::NoLoad));
			this->SetWidgetDirty(WID_O_FULL_LOAD);
		}
	}

	/**
	 * Handle the click on the nonstop button.