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diff --git a/src/gui/windows/inventorywindow.h b/src/gui/windows/inventorywindow.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) 2011-2013  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_INVENTORYWINDOW_H
+#define GUI_INVENTORYWINDOW_H
+
+#include "inventory.h"
+#include "depricatedlistener.h"
+
+#include "gui/widgets/window.h"
+
+#include <guichan/actionlistener.hpp>
+#include <guichan/keylistener.hpp>
+#include <guichan/selectionlistener.hpp>
+
+class Button;
+class DropDown;
+class Item;
+class ItemContainer;
+class Label;
+class LayoutCell;
+class ProgressBar;
+class SortListModelInv;
+class TabStrip;
+class TextField;
+class TextPopup;
+
+/**
+ * Inventory dialog.
+ *
+ * \ingroup Interface
+ */
+class InventoryWindow final : public Window,
+                              public gcn::ActionListener,
+                              public gcn::KeyListener,
+                              public gcn::SelectionListener,
+                              public InventoryListener,
+                              public DepricatedListener
+{
+    public:
+        /**
+         * Constructor.
+         */
+        explicit InventoryWindow(Inventory *const inventory);
+
+        A_DELETE_COPY(InventoryWindow)
+
+        /**
+         * Destructor.
+         */
+        ~InventoryWindow();
+
+        /**
+         * Called when receiving actions from the widgets.
+         */
+        void action(const gcn::ActionEvent &event) override;
+
+        /**
+         * Returns the selected item.
+         */
+        Item* getSelectedItem() const A_WARN_UNUSED;
+
+        /**
+         * Unselect item
+         */
+        void unselectItem();
+
+        /**
+         * Handles closing of the window
+         */
+        void widgetHidden(const gcn::Event &event) override;
+
+        /**
+         * Handles the mouse clicks.
+         */
+        void mouseClicked(gcn::MouseEvent &event) override;
+
+        /**
+         * Handles the key presses.
+         */
+        void keyPressed(gcn::KeyEvent &event) override;
+
+        /**
+         * Handles the key releases.
+         */
+        void keyReleased(gcn::KeyEvent &event) override;
+
+        /**
+         * Updates labels to currently selected item.
+         */
+        void valueChanged(const gcn::SelectionEvent &event) override;
+
+        /**
+         * Sets whether the split button should be shown.
+         */
+        void setSplitAllowed(const bool allowed);
+
+        /**
+         * Closes the Storage Window, as well as telling the server that the
+         * window has been closed.
+         */
+        void close();
+
+        void slotsChanged(Inventory *const inventory);
+
+        bool isMainInventory() const A_WARN_UNUSED
+        { return mInventory->isMainInventory(); }
+
+        /**
+         * Returns true if any instances exist.
+         */
+        static bool isStorageActive() A_WARN_UNUSED
+        { return invInstances.size() > 1; }
+
+        void updateDropButton();
+
+        void processEvent(const Channels channel,
+                          const DepricatedEvent &event) override;
+
+        void updateButtons(const Item *item = nullptr);
+
+        bool isInputFocused() const A_WARN_UNUSED;
+
+        void widgetResized(const gcn::Event &event) override;
+
+        void mouseMoved(gcn::MouseEvent &event) override;
+
+        void mouseExited(gcn::MouseEvent &event) override;
+
+        void setVisible(bool visible) override;
+
+        static bool isAnyInputFocused();
+
+    private:
+        /**
+         * Updates the weight bar.
+         */
+        void updateWeight();
+
+        typedef std::list<InventoryWindow*> WindowList;
+        static WindowList invInstances;
+
+        Inventory *mInventory;
+        ItemContainer *mItems;
+
+        std::string mWeight;
+        std::string mSlots;
+
+        Button *mUseButton;
+        Button *mDropButton;
+        Button *mSplitButton;
+        Button *mOutfitButton;
+        Button *mShopButton;
+        Button *mEquipmentButton;
+        Button *mStoreButton;
+        Button *mRetrieveButton;
+        Button *mInvCloseButton;
+
+        ProgressBar *mWeightBar;
+        ProgressBar *mSlotsBar;
+        TabStrip *mFilter;
+        SortListModelInv *mSortModel;
+        DropDown *mSortDropDown;
+        TextField *mNameFilter;
+        LayoutCell *mSortDropDownCell;
+        LayoutCell *mNameFilterCell;
+        LayoutCell *mFilterCell;
+        LayoutCell *mSlotsBarCell;
+        TextPopup *mTextPopup;
+
+        bool mSplit;
+        bool mCompactMode;
+};
+
+extern InventoryWindow *inventoryWindow;
+
+#endif  // GUI_INVENTORYWINDOW_H