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-/* _______ __ __ __ ______ __ __ _______ __ __
- * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
- * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
- * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
- * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
- * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
- * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
- *
- * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
- *
- *
- * Per Larsson a.k.a finalman
- * Olof Naessén a.k.a jansem/yakslem
- *
- * Visit: http://guichan.sourceforge.net
- *
- * License: (BSD)
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name of Guichan nor the names of its contributors may
- * be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef GCN_DROPDOWN_HPP
-#define GCN_DROPDOWN_HPP
-
-#include "guichan/actionlistener.hpp"
-#include "guichan/basiccontainer.hpp"
-#include "guichan/deathlistener.hpp"
-#include "guichan/focushandler.hpp"
-#include "guichan/focuslistener.hpp"
-#include "guichan/keylistener.hpp"
-#include "guichan/listmodel.hpp"
-#include "guichan/mouselistener.hpp"
-#include "guichan/platform.hpp"
-#include "guichan/selectionlistener.hpp"
-#include "guichan/widgets/listbox.hpp"
-#include "guichan/widgets/scrollarea.hpp"
-
-#ifdef __GNUC__
-#define _UNUSED_ __attribute__ ((unused))
-#else
-#define _UNUSED_
-#endif
-
-namespace gcn
-{
- /**
- * An implementation of a drop downable list from which an item can be
- * selected. The drop down consists of an internal ScrollArea and an
- * internal ListBox. The drop down also uses an internal FocusHandler to
- * handle the focus of the internal ScollArea and the internal ListBox. The
- * scroll area and the list box can be passed to the drop down if a custom
- * scroll area and or a custom list box is preferable.
- *
- * To be able display a list the drop down uses a user provided list model.
- * A list model can be any class that implements the ListModel interface.
- *
- * If an item is selected in the drop down a select event will be sent to
- * all selection listeners of the drop down. If an item is selected by
- * using a mouse click or by using the enter or space key an action event
- * will be sent to all action listeners of the drop down.
- */
- class GCN_CORE_DECLSPEC DropDown :
- public ActionListener,
- public BasicContainer,
- public KeyListener,
- public MouseListener,
- public FocusListener,
- public SelectionListener
- {
- public:
- /**
- * Contructor.
- *
- * @param listModel the ListModel to use.
- * @param scrollArea the ScrollArea to use.
- * @param listBox the listBox to use.
- * @see ListModel, ScrollArea, ListBox.
- */
- DropDown(ListModel *listModel = NULL,
- ScrollArea *scrollArea = NULL,
- ListBox *listBox = NULL);
-
- /**
- * Destructor.
- */
- virtual ~DropDown();
-
- /**
- * Gets the selected item as an index in the list model.
- *
- * @return the selected item as an index in the list model.
- * @see setSelected
- */
- int getSelected() const;
-
- /**
- * Sets the selected item. The selected item is represented by
- * an index from the list model.
- *
- * @param selected the selected item as an index from the list model.
- * @see getSelected
- */
- void setSelected(int selected);
-
- /**
- * Sets the list model to use when displaying the list.
- *
- * @param listModel the list model to use.
- * @see getListModel
- */
- void setListModel(ListModel *listModel);
-
- /**
- * Gets the list model used.
- *
- * @return the ListModel used.
- * @see setListModel
- */
- ListModel *getListModel();
-
- /**
- * Adjusts the height of the drop down to fit the height of the
- * drop down's parent's height. It's used to not make the drop down
- * draw itself outside of it's parent if folded down.
- */
- void adjustHeight();
-
- /**
- * Adds a selection listener to the drop down. When the selection
- * changes an event will be sent to all selection listeners of the
- * drop down.
- *
- * If you delete your selection listener, be sure to also remove it
- * using removeSelectionListener().
- *
- * @param listener the selection listener to add.
- * @since 0.8.0
- */
- void addSelectionListener(SelectionListener* listener);
-
- /**
- * Removes a selection listener from the drop down.
- *
- * @param selectionListener the selection listener to remove.
- * @since 0.8.0
- */
- void removeSelectionListener(SelectionListener* selectionListener);
-
-
- // Inherited from Widget
-
- virtual void draw(Graphics* graphics);
-
- void setBaseColor(const Color& color);
-
- void setBackgroundColor(const Color& color);
-
- void setForegroundColor(const Color& color);
-
- void setFont(Font *font);
-
- void setSelectionColor(const Color& color);
-
-
- // Inherited from BasicContainer
-
- virtual Rectangle getChildrenArea();
-
-
- // Inherited from FocusListener
-
- virtual void focusLost(const Event& event);
-
-
- // Inherited from ActionListener
-
- virtual void action(const ActionEvent& actionEvent);
-
-
- // Inherited from DeathListener
-
- virtual void death(const Event& event);
-
-
- // Inherited from KeyListener
-
- virtual void keyPressed(KeyEvent& keyEvent);
-
-
- // Inherited from MouseListener
-
- virtual void mousePressed(MouseEvent& mouseEvent);
-
- virtual void mouseReleased(MouseEvent& mouseEvent);
-
- virtual void mouseWheelMovedUp(MouseEvent& mouseEvent);
-
- virtual void mouseWheelMovedDown(MouseEvent& mouseEvent);
-
- virtual void mouseDragged(MouseEvent& mouseEvent);
-
-
- // Inherited from SelectionListener
-
- virtual void valueChanged(const SelectionEvent& event);
-
- protected:
- /**
- * Draws the button of the drop down.
- *
- * @param graphics a Graphics object to draw with.
- */
- virtual void drawButton(Graphics *graphics);
-
- /**
- * Sets the drop down to be dropped down.
- */
- virtual void dropDown();
-
- /**
- * Sets the drop down to be folded up.
- */
- virtual void foldUp();
-
- /**
- * Distributes a value changed event to all selection listeners
- * of the drop down.
- *
- * @since 0.8.0
- */
- void distributeValueChangedEvent();
-
- /**
- * True if the drop down is dropped down, false otherwise.
- */
- bool mDroppedDown;
-
- /**
- * True if the drop down has been pushed with the mouse, false
- * otherwise.
- */
- bool mPushed;
-
- /**
- * Holds what the height is if the drop down is folded up. Used when
- * checking if the list of the drop down was clicked or if the upper
- * part of the drop down was clicked on a mouse click.
- */
- int mFoldedUpHeight;
-
- /**
- * The scroll area used.
- */
- ScrollArea* mScrollArea;
-
- /**
- * The list box used.
- */
- ListBox* mListBox;
-
- /**
- * The internal focus handler used to keep track of focus for the
- * internal list box.
- */
- FocusHandler mInternalFocusHandler;
-
- /**
- * True if an internal scroll area is used, false if a scroll area
- * has been passed to the drop down which the drop down should not
- * deleted in it's destructor.
- */
- bool mInternalScrollArea;
-
- /**
- * True if an internal list box is used, false if a list box
- * has been passed to the drop down which the drop down should not
- * deleted in it's destructor.
- */
- bool mInternalListBox;
-
- /**
- * True if the drop down is dragged.
- */
- bool mIsDragged;
-
- /**
- * Typedef.
- */
- typedef std::list<SelectionListener*> SelectionListenerList;
-
- /**
- * The selection listener's of the drop down.
- */
- SelectionListenerList mSelectionListeners;
-
- /**
- * Typedef.
- */
- typedef SelectionListenerList::iterator SelectionListenerIterator;
- };
-}
-
-#endif // end GCN_DROPDOWN_HPP
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