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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;
namespace gcn {
class SelectionListener;
}
/**
* An emote container. Used to show emotes 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 emotes.
*/
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 emote.
*/
int getSelectedEmote();
/**
* Sets selected emote 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 emote. Invalid (e.g., negative) indices set `no emotr'.
*/
void setSelectedEmoteIndex(int index);
/**
* Find the current emote index by the most recently used emote 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
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