/***************************************************************************
 *   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.             *
 ***************************************************************************/

#include "button.h"

namespace SDLwidgets {

///////////
// Button
///////////

bool Button::handleEvent( SDL_Event* event ) {
	if ( event->type == SDL_MOUSEBUTTONDOWN ) {
		if ( event->button.button == SDL_BUTTON_LEFT ) {
			if ( containsPoint( event->button.x, event->button.y ) ) {
				fireAction( BUTTON_PRESSED, this );
				return true;
			}
		}
	}
	return false;
}

///////////////
// TextButton
///////////////

SDL_Color TextButton::_default_color;
SDL_Color TextButton::_default_highlight_color;
Uint8 TextButton::_default_highlight_alpha;

TextButton::TextButton( std::string text )
	: _label( text ) {
	_background = new BackgroundWidget( &_label );
	_border = new BorderWidget( _background );
	_min_width = _border->getMinWidth();
	_min_height = _border->getMinHeight();
	_border->setPosition( 0, 0 );
	_border->setParent( this );
	_is_highlightable = false;
	_label.setColor( _default_color );
	_border->setColor( _default_color );
	_highlight_color = _default_highlight_color;
	_highlight_alpha = _default_highlight_alpha;
}

TextButton::~TextButton() {
	delete _border;
	_border = 0;
	delete _background;
	_background = 0;
}

bool TextButton::handleEvent( SDL_Event* event ) {
	if ( Button::handleEvent( event ) )
		return true;
	
	if ( event->type == SDL_MOUSEMOTION ) {
		if ( containsPoint( event->motion.x, event->motion.y ) ) {
			if ( _is_highlightable ) {
				_background->setColor( _highlight_color );
				_background->setAlpha( _highlight_alpha );
			}
		}
		else {
			if ( _is_highlightable ) {
				_background->setColor( _color );
				_background->setAlpha( SDL_ALPHA_TRANSPARENT );
			}
		}
	}
	
	return false;
}

void TextButton::draw( SDL_Surface* surface ) {
	_border->draw( surface );
}

};