/*
 *  The Mana World
 *  Copyright 2004 The Mana World Development Team
 *
 *  This file is part of The Mana World.
 *
 *  The Mana World 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
 *  any later version.
 *
 *  The Mana World 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 The Mana World; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  $Id$
 */

#ifndef _TMW_PROGRESSBAR_H
#define _TMW_PROGRESSBAR_H

#include <guichan.hpp>
#include "../graphics.h"
#include "../resources/image.h"

/**
 * A progress bar.
 *
 * \ingroup GUI
 */
class ProgressBar : public gcn::Widget {
    public:
        /**
         * Constructor, initializes the progress with the given value.
         */
        ProgressBar(float progress = 0.0f, int x = 0, int y = 0,
                unsigned int width = 40, unsigned int height = 7,
                unsigned char red = 150, unsigned char green = 150, unsigned char blue = 150);

        /**
         * Destructor.
         */
        ~ProgressBar();

        /**
         * Performs progress bar logic (fading colors)
         */
        void logic();

        /**
         * Draws the progress bar.
         */
        void draw(gcn::Graphics *graphics);

        /**
         * Sets the current progress.
         */
        void setProgress(float progress);

        /**
         * Returns the current progress.
         */
        float getProgress();

        /**
         * Change the filling of the progress bar.
         */
        void setColor(unsigned char red, unsigned char green, unsigned char blue);

        /**
         * Get The red value of color
         */
        unsigned char getRed();

         /**
         * Get The red value of color
         */
        unsigned char getGreen();

         /**
         * Get The red value of color
         */
        unsigned char getBlue();

    private:
        float progress;
        unsigned char red, green, blue;
        unsigned char redToGo, greenToGo, blueToGo;

        static ImageRect mBorder;
        static int mInstances;
};

#endif