itemcontainer.h

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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) 2011-2019  The ManaPlus Developers
 *  Copyright (C) 2019-2021  Andrei Karas
 *
 *  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;
 
class ItemContainer final : public Widget,
                            public KeyListener,
                            public MouseListener,
                            public WidgetListener
{
    public:
        ItemContainer(const Widget2 *const widget,
                      Inventory *const inventory,
                      const int maxColumns,
                      const ShowEmptyRows showEmptyRows,
                      const ForceQuantity forceQuantity);
 
        A_DELETE_COPY(ItemContainer)
 
        
        ~ItemContainer() override final;
 
        void logic() override final;
 
        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;
        void keyReleased(KeyEvent &event) override final;
 
        // 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;
 
        Item *getSelectedItem() const A_WARN_UNUSED;
 
        void selectNone();
 
        void addSelectionListener(SelectionListener *listener)
        { mSelectionListeners.push_back(listener); }
 
        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; }
 
        int updateMatrix();
 
        bool getClickCount() const noexcept2 A_WARN_UNUSED
        { return mClicks != 0; }
 
        void unsetInventory() noexcept2
        { mInventory = nullptr; }
 
        void setInventory(Inventory *const inventory) noexcept2
        { 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
        };
 
        void setSelectedIndex(const int index);
 
        void adjustHeight();
 
        void distributeValueChangedEvent();
 
        void updateSize();
 
        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 mDrawRows;
        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