/* _______ __ __ __ ______ __ __ _______ __ __
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
*
* 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_BUTTON_HPP
#define GCN_BUTTON_HPP
#include <string>
#include "guichan/focuslistener.hpp"
#include "guichan/graphics.hpp"
#include "guichan/keylistener.hpp"
#include "guichan/mouseevent.hpp"
#include "guichan/mouselistener.hpp"
#include "guichan/platform.hpp"
#include "guichan/widget.hpp"
#ifdef __GNUC__
#define _UNUSED_ __attribute__ ((unused))
#else
#define _UNUSED_
#endif
namespace gcn
{
/**
* An implementation of a regular clickable button. A button is capable of
* displaying a caption.
*
* If a button is clicked an action event will be sent to all action listener's
* of the button.
*
* @see ImageButton
*/
class GCN_CORE_DECLSPEC Button : public Widget,
public MouseListener,
public KeyListener,
public FocusListener
{
public:
/**
* Constructor.
*/
Button();
/**
* Constructor. The button will be automatically resized
* to fit the caption.
*
* @param caption The caption of the button.
*/
Button(const std::string& caption);
/**
* Sets the caption of the button. It's advisable to call
* adjustSize after setting of the caption to adjust the
* button's size to fit the caption.
*
* @param caption The caption of the button.
* @see getCaption, adjustSize
*/
void setCaption(const std::string& caption);
/**
* Gets the caption of the button.
*
* @return The caption of the button.
*/
const std::string& getCaption() const;
/**
* Sets the alignment of the caption. The alignment is relative
* to the center of the button.
*
* @param alignment The alignment of the caption.
* @see getAlignment, Graphics
*/
void setAlignment(Graphics::Alignment alignment);
/**
* Gets the alignment of the caption.
*
* @return The alignment of the caption.
* @see setAlignment, Graphics
*/
Graphics::Alignment getAlignment() const;
/**
* Sets the spacing between the border of the button and its caption.
*
* @param spacing The default value for spacing is 4 and can be changed
* using this method.
* @see getSpacing
*/
void setSpacing(unsigned int spacing);
/**
* Gets the spacing between the border of the button and its caption.
*
* @return spacing.
* @see setSpacing
*/
unsigned int getSpacing() const;
/**
* Adjusts the button's size to fit the caption.
*/
void adjustSize();
//Inherited from Widget
virtual void draw(Graphics* graphics);
// Inherited from FocusListener
virtual void focusLost(const Event& event);
// Inherited from MouseListener
virtual void mousePressed(MouseEvent& mouseEvent);
virtual void mouseReleased(MouseEvent& mouseEvent);
virtual void mouseEntered(MouseEvent& mouseEvent);
virtual void mouseExited(MouseEvent& mouseEvent);
virtual void mouseDragged(MouseEvent& mouseEvent);
// Inherited from KeyListener
virtual void keyPressed(KeyEvent& keyEvent);
virtual void keyReleased(KeyEvent& keyEvent);
protected:
/**
* Checks if the button is pressed. Convenient method to use
* when overloading the draw method of the button.
*
* @return True if the button is pressed, false otherwise.
*/
bool isPressed() const;
/**
* Holds the caption of the button.
*/
std::string mCaption;
/**
* True if the mouse is ontop of the button, false otherwise.
*/
bool mHasMouse;
/**
* True if a key has been pressed, false otherwise.
*/
bool mKeyPressed;
/**
* True if a mouse has been pressed, false otherwise.
*/
bool mMousePressed;
/**
* Holds the alignment of the caption.
*/
Graphics::Alignment mAlignment;
/**
* Holds the spacing between the border and the caption.
*/
unsigned int mSpacing;
};
}
#endif // end GCN_BUTTON_HPP
