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/* _______ __ __ __ ______ __ __ _______ __ __
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
*
* Copyright (c) 2004 - 2008 Olof Naess�n and Per Larsson
*
*
* Per Larsson a.k.a finalman
* Olof Naess�n 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_RADIOBUTTON_HPP
#define GCN_RADIOBUTTON_HPP
#include <map>
#include <string>
#include "guichan/keylistener.hpp"
#include "guichan/mouselistener.hpp"
#include "guichan/platform.hpp"
#include "guichan/widget.hpp"
namespace gcn
{
/**
* An implementation of a radio button where a user can select or deselect
* the radio button and where the status of the radio button is displayed to the user.
* A radio button can belong to a group and when a radio button belongs to a
* group only one radio button can be selected in the group. A radio button is
* capable of displaying a caption.
*
* If a radio button's state changes an action event will be sent to all action
* listeners of the check box.
*/
class GCN_CORE_DECLSPEC RadioButton :
public Widget,
public MouseListener,
public KeyListener
{
public:
/**
* Constructor.
*/
RadioButton();
/**
* Constructor. The radio button will be automatically resized
* to fit the caption.
*
* @param caption The caption of the radio button.
* @param group The group the radio button should belong to.
* @param selected True if the radio button should be selected.
*/
RadioButton(const std::string &caption,
const std::string &group,
bool selected = false);
/**
* Destructor.
*/
virtual ~RadioButton();
/**
* Checks if the radio button is selected.
*
* @return True if the radio button is selecte, false otherwise.
* @see setSelected
*/
bool isSelected() const;
/**
* Sets the radio button to selected or not.
*
* @param selected True if the radio button should be selected,
* false otherwise.
* @see isSelected
*/
void setSelected(bool selected);
/**
* Gets the caption of the radio button.
*
* @return The caption of the radio button.
* @see setCaption
*/
const std::string &getCaption() const;
/**
* Sets the caption of the radio button. It's advisable to call
* adjustSize after setting of the caption to adjust the
* radio button's size to fit the caption.
*
* @param caption The caption of the radio button.
* @see getCaption, adjustSize
*/
void setCaption(const std::string caption);
/**
* Sets the group the radio button should belong to. Note that
* a radio button group is unique per application, not per Gui object
* as the group is stored in a static map.
*
* @param group The name of the group.
* @see getGroup
*/
void setGroup(const std::string &group);
/**
* Gets the group the radio button belongs to.
*
* @return The group the radio button belongs to.
* @see setGroup
*/
const std::string &getGroup() const;
/**
* Adjusts the radio button's size to fit the caption.
*/
void adjustSize();
// Inherited from Widget
virtual void draw(Graphics* graphics);
// Inherited from KeyListener
virtual void keyPressed(KeyEvent& keyEvent);
// Inherited from MouseListener
virtual void mouseClicked(MouseEvent& mouseEvent);
virtual void mouseDragged(MouseEvent& mouseEvent);
protected:
/**
* Draws the box.
*
* @param graphics a Graphics object to draw with.
*/
virtual void drawBox(Graphics *graphics);
/**
* True if the radio button is selected, false otherwise.
*/
bool mSelected;
/**
* Holds the caption of the radio button.
*/
std::string mCaption;
/**
* Holds the group of the radio button.
*/
std::string mGroup;
/**
* Typdef.
*/
typedef std::multimap<std::string, RadioButton *> GroupMap;
/**
* Typdef.
*/
typedef GroupMap::iterator GroupIterator;
/**
* Holds all available radio button groups.
*/
static GroupMap mGroupMap;
};
}
#endif // end GCN_RADIOBUTTON_HPP
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