/***************************************************************************
 *   Copyright (C) 2004 by Christoph Freundl                               *
 *   Christoph.Freundl@informatik.uni-erlangen.de                          *
 *                                                                         *
 *   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     *
 *   (at your option) 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, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef SDLWIDGETS_BUTTON_H
#define SDLWIDGETS_BUTTON_H

#include "widget.h"
#include "action.h"
#include "textlabel.h"
#include "backgroundwidget.h"
#include "borderwidget.h"

namespace SDLwidgets {

class Button : public WidgetLeaf, public ActionWidget {
public:
	enum Action {
		BUTTON_PRESSED
	};
	
public:
	virtual ~Button() { }
	virtual bool handleEvent( SDL_Event* event );
};

class TextButton : public Button {
private:
	TextLabel _label;
	BackgroundWidget* _background;
	BorderWidget* _border;
	
	// highlight background
	bool _is_highlightable;
	SDL_Color _highlight_color;
	Uint8 _highlight_alpha;
	
	static SDL_Color _default_color;
	static SDL_Color _default_highlight_color;
	static Uint8 _default_highlight_alpha;
	
public:
	TextButton( std::string text );
	virtual ~TextButton();
	virtual bool handleEvent( SDL_Event* event );
	virtual void draw( SDL_Surface* surface );
	
	virtual int getWidth() const {
		return _border->getWidth();
	}
	virtual void setWidth( const Uint16 width ) {
		_border->setWidth( width );
		_background->setWidth( width - 2 );
		_width = width;
	}
	virtual void setMinWidth( const Uint16 width ) {
		_border->setMinWidth( width );
		_background->setMinWidth( width - 2 );
		_width = width;
	}
	virtual int getHeight() const {
		return _border->getHeight();
	}
	virtual void setHeight( const Uint16 height ) {
		_border->setHeight( height );
		_background->setHeight( height - 2 );
		_height = height;
	}
	virtual void setMinHeight( const Uint16 height ) {
		_border->setMinHeight( height );
		_background->setMinHeight( height - 2 );
		_height = height;
	}
	virtual void setColor( const SDL_Color& color ) {
		_border->setColor( color );
		_label.setColor( color );
	}
	
	void setHighlightable( bool flag ) {
		_is_highlightable = flag;
	}
	void setHighlightColor( const SDL_Color& color ) {
		_highlight_color = color;
	}
	void setHighlightAlpha( const Uint8 alpha ) {
		_highlight_alpha = alpha;
	}
	
	static void setDefaultColor( SDL_Color color ) {
		_default_color = color;
	}
	static void setDefaultHighlightColor( SDL_Color color ) {
		_default_highlight_color = color;
	}
	static void setDefaultHighlightAlpha( Uint8 alpha ) {
		_default_highlight_alpha = alpha;
	}
};

};

#endif // SDLWIDGETS_BUTTON_H