/* * The ManaPlus Client * Copyright (C) 2004-2009 The Mana World Development Team * Copyright (C) 2009-2010 The Mana Developers * Copyright (C) 2011 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 ITEMCONTAINER_H #define ITEMCONTAINER_H #include <guichan/keylistener.hpp> #include <guichan/mouselistener.hpp> #include <guichan/widget.hpp> #include <guichan/widgetlistener.hpp> #include <list> #include <algorithm> #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); } void setFilter (int tag); void setSortType (int sortType); void updateMatrix(); 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; int mTag; int mSortType; ItemPopup *mItemPopup; int *mShowMatrix; typedef std::list<gcn::SelectionListener*> SelectionListenerList; typedef SelectionListenerList::iterator SelectionListenerIterator; SelectionListenerList mSelectionListeners; }; #endif