From 3eeae12c498d1a4dbe969462d2ba841f77ee3ccb Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 2 Jan 2011 01:48:38 +0200
Subject: Initial commit.

This code based on mana client http://www.gitorious.org/mana/mana
and my private repository.
---
 src/gui/widgets/itemcontainer.h | 195 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 195 insertions(+)
 create mode 100644 src/gui/widgets/itemcontainer.h

(limited to 'src/gui/widgets/itemcontainer.h')

diff --git a/src/gui/widgets/itemcontainer.h b/src/gui/widgets/itemcontainer.h
new file mode 100644
index 000000000..8aaa236b4
--- /dev/null
+++ b/src/gui/widgets/itemcontainer.h
@@ -0,0 +1,195 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  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 ITEMCONTAINER_H
+#define ITEMCONTAINER_H
+
+#include <guichan/keylistener.hpp>
+#include <guichan/mouselistener.hpp>
+#include <guichan/widget.hpp>
+#include <guichan/widgetlistener.hpp>
+
+#include <list>
+
+#ifdef __GNUC__
+#define _UNUSED_  __attribute__ ((unused))
+#else
+#define _UNUSED_
+#endif
+
+class Image;
+class Inventory;
+class Item;
+class ItemPopup;
+
+namespace gcn
+{
+    class SelectionListener;
+}
+
+/**
+ * An item container. Used to show items in inventory and trade dialog.
+ *
+ * \ingroup GUI
+ */
+class ItemContainer : public gcn::Widget,
+                      public gcn::KeyListener,
+                      public gcn::MouseListener,
+                      public gcn::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(Inventory *inventory, bool forceQuantity = false);
+
+        /**
+         * Destructor.
+         */
+        virtual ~ItemContainer();
+
+        /**
+         * Necessary for checking how full the inventory is.
+         */
+        void logic();
+
+        /**
+         * Draws the items.
+         */
+        void draw(gcn::Graphics *graphics);
+
+        // KeyListener
+        void keyPressed(gcn::KeyEvent &event);
+        void keyReleased(gcn::KeyEvent &event);
+
+        // MouseListener
+        void mousePressed(gcn::MouseEvent &event);
+        void mouseDragged(gcn::MouseEvent &event);
+        void mouseReleased(gcn::MouseEvent &event);
+        void mouseMoved(gcn::MouseEvent &event);
+        void mouseExited(gcn::MouseEvent &event);
+
+        // WidgetListener
+        void widgetResized(const gcn::Event &event);
+
+        /**
+         * Returns the selected item.
+         */
+        Item *getSelectedItem() const;
+
+        /**
+         * 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(gcn::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(gcn::SelectionListener *listener)
+        { mSelectionListeners.remove(listener); }
+
+    private:
+        enum Direction
+        {
+            Left = 0,
+            Right,
+            Up,
+            Down
+        };
+
+        enum SelectionState
+        {
+            SEL_NONE = 0,
+            SEL_SELECTED,
+            SEL_SELECTING,
+            SEL_DESELECTING,
+            SEL_DRAGGING
+        };
+
+        /**
+         * Execute all the functionality associated with the action key.
+         */
+        void keyAction();
+
+        /**
+         * Moves the highlight in the direction specified.
+         *
+         * @param direction The move direction of the highlighter.
+         */
+        void moveHighlight(Direction direction);
+
+        /**
+         * Sets the currently selected item.
+         */
+        void setSelectedIndex(int index);
+
+        /**
+         * Determine and set the height of the container.
+         */
+        void adjustHeight();
+
+        /**
+         * Sends out selection events to the list of selection listeners.
+         */
+        void distributeValueChangedEvent();
+
+        /**
+         * Gets the 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;
+
+        Inventory *mInventory;
+        int mGridColumns, mGridRows;
+        Image *mSelImg;
+        int mSelectedIndex, mHighlightedIndex;
+        int mLastUsedSlot;
+        SelectionState mSelectionStatus;
+        bool mForceQuantity;
+        bool mSwapItems;
+        bool mDescItems;
+        int mDragPosX, mDragPosY;
+
+        ItemPopup *mItemPopup;
+
+        typedef std::list<gcn::SelectionListener*> SelectionListenerList;
+        typedef SelectionListenerList::iterator SelectionListenerIterator;
+
+        SelectionListenerList mSelectionListeners;
+};
+
+#endif
-- 
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