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Diffstat (limited to 'src/gui/emotecontainer.h')
-rw-r--r-- | src/gui/emotecontainer.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/gui/emotecontainer.h b/src/gui/emotecontainer.h new file mode 100644 index 00000000..f5922a9c --- /dev/null +++ b/src/gui/emotecontainer.h @@ -0,0 +1,140 @@ +/* + * 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 |