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+/*
+ * Aethyra
+ * Copyright 2009 Aethyra Development Team
+ *
+ * This file is part of Aethyra.
+ *
+ * Aethyra 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.
+ *
+ * Aethyra 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 Aethyra; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _AETHYRA_EMOTECONTAINER_H__
+#define _AETHYRA_EMOTECONTAINER_H__
+
+#include <list>
+
+#include <guichan/mouselistener.hpp>
+#include <guichan/widget.hpp>
+#include <guichan/widgetlistener.hpp>
+
+#include "../guichanfwd.h"
+
+#include "../resources/imageset.h"
+
+class Image;
+class Inventory;
+class Emote;
+
+namespace gcn {
+ class SelectionListener;
+}
+
+/**
+ * An item container. Used to show items in inventory and trade dialog.
+ *
+ * \ingroup GUI
+ */
+class EmoteContainer : public gcn::Widget,
+ public gcn::MouseListener,
+ public gcn::WidgetListener
+{
+ public:
+ /**
+ * Constructor. Initializes the graphic.
+ */
+ EmoteContainer();
+
+ /**
+ * Destructor.
+ */
+ virtual ~EmoteContainer();
+
+ /**
+ * Draws the items.
+ */
+ void draw(gcn::Graphics *graphics);
+
+ /**
+ * Called whenever the widget changes size.
+ */
+ void widgetResized(const gcn::Event &event);
+
+ /**
+ * Handles mouse click.
+ */
+ void mousePressed(gcn::MouseEvent &event);
+
+ /**
+ * Returns the selected item.
+ */
+ int getSelectedEmote();
+
+ /**
+ * 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)
+ {
+ mListeners.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)
+ {
+ mListeners.remove(listener);
+ }
+
+ private:
+ /**
+
+ * Sets the currently selected item. Invalid (e.g., negative) indices set `no item'.
+ */
+ void setSelectedEmoteIndex(int index);
+
+ /**
+ * Find the current item index by the most recently used item ID
+ */
+ void refindSelectedEmote(void);
+
+ /**
+ * Determine and set the height of the container.
+ */
+ void recalculateHeight(void);
+
+ /**
+ * Sends out selection events to the list of selection listeners.
+ */
+ void distributeValueChangedEvent(void);
+
+ ImageSet *mEmoteImg;
+ Image *mSelImg;
+ int mSelectedEmoteIndex;
+
+ int mMaxEmote;
+
+ std::list<gcn::SelectionListener*> mListeners;
+
+ static const int gridWidth;
+ static const int gridHeight;
+};
+
+#endif