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/*
* The Mana Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2012 The Mana Developers
*
* This file is part of The Mana Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef BUY_H
#define BUY_H
#include "guichanfwd.h"
#include "gui/widgets/window.h"
#include <guichan/actionlistener.hpp>
#include <guichan/selectionlistener.hpp>
class ShopItems;
class ShopListBox;
class ListBox;
/**
* The buy dialog.
*
* \ingroup Interface
*/
class BuyDialog : public Window, public gcn::ActionListener,
public gcn::SelectionListener
{
public:
BuyDialog(int npcId);
~BuyDialog() override;
/**
* Resets the dialog, clearing shop inventory.
*/
void reset();
/**
* Sets the amount of available money.
*/
void setMoney(int amount);
/**
* Adds an item to the shop inventory.
*/
void addItem(int id, int amount, int price);
/**
* Called when receiving actions from the widgets.
*/
void action(const gcn::ActionEvent &event) override;
/**
* Returns the number of items in the shop inventory.
*/
int getNumberOfElements();
/**
* Updates the labels according to the selected item.
*/
void valueChanged(const gcn::SelectionEvent &event) override;
/**
* Allows for quick-buying by extending double-click events.
*/
void mouseClicked(gcn::MouseEvent &mouseEvent) override;
/**
* Returns the name of item number i in the shop inventory.
*/
std::string getElementAt(int i);
/**
* Updates the state of buttons and labels.
*/
void updateButtonsAndLabels();
/**
* Sets the visibility of this window.
*/
void setVisible(bool visible) override;
/**
* Closes all instances.
*/
static void closeAll();
private:
using DialogList = std::list<BuyDialog *>;
static DialogList instances;
int mNpcId;
gcn::Button *mBuyButton;
gcn::Button *mQuitButton;
gcn::Button *mAddMaxButton;
gcn::Button *mIncreaseButton;
gcn::Button *mDecreaseButton;
ShopListBox *mShopItemList;
gcn::ScrollArea *mScrollArea;
gcn::Label *mMoneyLabel;
gcn::Label *mQuantityLabel;
gcn::Slider *mSlider;
ShopItems *mShopItems;
int mMoney;
int mAmountItems;
int mMaxItems;
};
#endif
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