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/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2016 The ManaPlus Developers
*
* This file is part of The ManaPlus 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 GUI_WIDGETS_ITEMCONTAINER_H
#define GUI_WIDGETS_ITEMCONTAINER_H
#include "listeners/keylistener.h"
#include "listeners/mouselistener.h"
#include "listeners/widgetlistener.h"
#include "enums/simpletypes/forcequantity.h"
#include "enums/simpletypes/showemptyrows.h"
#include "gui/widgets/widget.h"
#include "localconsts.h"
class Image;
class ImageCollection;
class Inventory;
class Item;
class SelectionListener;
/**
* An item container. Used to show items in inventory and trade dialog.
*
* \ingroup GUI
*/
class ItemContainer final : public Widget,
public KeyListener,
public MouseListener,
public WidgetListener
{
public:
/**
* Constructor. Initializes the graphic.
*
* @param inventory
* @param gridColumns Amount of columns in grid.
* @param gridRows Amount of rows in grid.
* @param offset Index offset
*/
ItemContainer(const Widget2 *const widget,
Inventory *const inventory,
const int maxColumns = 100000,
const ShowEmptyRows showEmptyRows = ShowEmptyRows_false,
const ForceQuantity forceQuantity = ForceQuantity_false);
A_DELETE_COPY(ItemContainer)
/**
* Destructor.
*/
~ItemContainer();
/**
* Necessary for checking how full the inventory is.
*/
void logic() override final;
/**
* Draws the items.
*/
void draw(Graphics *const graphics) override final A_NONNULL(2);
void safeDraw(Graphics *const graphics) override final A_NONNULL(2);
// KeyListener
void keyPressed(KeyEvent &event) override final A_CONST;
void keyReleased(KeyEvent &event) override final A_CONST;
// MouseListener
void mousePressed(MouseEvent &event) override final;
void mouseDragged(MouseEvent &event) override final;
void mouseReleased(MouseEvent &event) override final;
void mouseMoved(MouseEvent &event) override final;
void mouseExited(MouseEvent &event) override final;
// WidgetListener
void widgetResized(const Event &event) override final;
void widgetMoved(const Event &event) override final;
/**
* Returns the selected item.
*/
Item *getSelectedItem() const A_WARN_UNUSED;
/**
* Sets selected item to NULL.
*/
void selectNone();
/**
* Adds a listener to the list that's notified each time a change to
* the selection occurs.
*/
void addSelectionListener(SelectionListener *listener)
{ mSelectionListeners.push_back(listener); }
/**
* Removes a listener from the list that's notified each time a change
* to the selection occurs.
*/
void removeSelectionListener(SelectionListener *listener)
{ mSelectionListeners.remove(listener); }
void setFilter(const int tag);
void setSortType(const int sortType);
void setName(const std::string &str)
{ mName = str; }
void updateMatrix();
bool getClickCount() const A_WARN_UNUSED
{ return mClicks; }
void unsetInventory()
{ mInventory = nullptr; }
void setInventory(Inventory *const inventory)
{ mInventory = inventory; }
void setCellBackgroundImage(const std::string &xmlName);
void setMaxColumns(const int maxColumns);
private:
enum Direction
{
Left = 0,
Right,
Up,
Down
};
enum SelectionState
{
SEL_NONE = 0,
SEL_SELECTED,
SEL_SELECTING,
SEL_DESELECTING,
SEL_DRAGGING
};
/**
* Sets the currently selected item.
*/
void setSelectedIndex(const int index);
/**
* Determine and set the height of the container.
*/
void adjustHeight();
/**
* Sends out selection events to the list of selection listeners.
*/
void distributeValueChangedEvent();
void updateSize();
/**
* Gets the inventory slot index based on the cursor position.
*
* @param x The X coordinate position.
* @param y The Y coordinate position.
* @return The slot index on success, -1 on failure.
*/
int getSlotIndex(int x, int y) const;
int getSlotByXY(int x, int y) const;
Inventory *mInventory;
Image *mSelImg;
Image *mProtectedImg;
Image *mCellBackgroundImg;
std::string mName;
int *mShowMatrix;
Skin *mSkin;
ImageCollection *mVertexes;
Color mEquipedColor;
Color mEquipedColor2;
Color mUnEquipedColor;
Color mUnEquipedColor2;
typedef std::list<SelectionListener*> SelectionListenerList;
typedef SelectionListenerList::iterator SelectionListenerIterator;
SelectionListenerList mSelectionListeners;
int mGridColumns;
int mGridRows;
int mSelectedIndex;
int mLastUsedSlot;
int mTag;
int mSortType;
int mClicks;
int mBoxWidth;
int mBoxHeight;
int mEquippedTextPadding;
int mPaddingItemX;
int mPaddingItemY;
int mMaxColumns;
SelectionState mSelectionStatus;
ForceQuantity mForceQuantity;
ShowEmptyRows mShowEmptyRows;
bool mDescItems;
};
#endif // GUI_WIDGETS_ITEMCONTAINER_H
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