/***************************************************************************
 *   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 "textlabel.h"
#include "fontfactory.h"
#include <iostream>

namespace SDLwidgets {

TextLabel::TextLabel( std::string font_name, int font_size, std::string text )
	: _rendered_text( 0 ), _text( text ) {
	// default color for a text label is white
	_color.r = 255;
	_color.g = 255;
	_color.b = 255;

	_font = FontFactory::getInstance()->createFont( font_name, font_size );
	
	renderText();
	
	if ( _rendered_text ) {
		_min_width = _rendered_text->w;
		_min_height = _rendered_text->h;
	}
	else {
		_min_width = 0;
		_min_height = 0;
	}
}

TextLabel::TextLabel( std::string text, int font_size )
	: _rendered_text( 0 ), _text( text ) {
	// default color for a text label is white
	_color.r = 255;
	_color.g = 255;
	_color.b = 255;
	
	_font = FontFactory::getInstance()->createFont( "tahoma.ttf", font_size );
	
	renderText();
	
	if ( _rendered_text ) {
		_min_width = _rendered_text->w;
		_min_height = _rendered_text->h;
	}
	else {
		_min_width = 0;
		_min_height = 0;
	}
}

TextLabel::~TextLabel() {
	if ( _rendered_text )
		SDL_FreeSurface( _rendered_text );
}

void TextLabel::draw( SDL_Surface* surface ) {
	SDL_Rect destRect;
	getOffset( destRect.x, destRect.y );
	SDL_BlitSurface( _rendered_text, 0, surface, &destRect );
}

void TextLabel::drawOffset( SDL_Surface* surface, int x_offset, int y_offset ) {
	SDL_Rect destRect;
	destRect.x = _pos_x + x_offset;
	destRect.y = _pos_y + y_offset;
	
	SDL_BlitSurface( _rendered_text, 0, surface, &destRect );
}

void TextLabel::setColor( const SDL_Color& color ) {
	WidgetLeaf::setColor( color );
	renderText();
}

void TextLabel::renderText() {
	if ( _rendered_text )
		SDL_FreeSurface( _rendered_text );
	
	// _rendered_text = TTF_RenderText_Solid( _font, _text.c_str(), _color );
	_rendered_text = TTF_RenderUTF8_Blended( _font, _text.c_str(), _color );
}

void TextLabel::setText( std::string text ) {
	_text = text;
	renderText();
	if ( !_rendered_text )
		setWidth( 0 );
	else
		setWidth( _rendered_text->w );
}

bool TextLabel::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( CLICKED, this );
			}
		}
	}
	return false;
}

}