/*
 *  The Mana World
 *  Copyright (C) 2004  The Mana World Development Team
 *
 *  This file is part of The Mana World.
 *
 *  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
 *  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 _TMW_GUI
#define _TMW_GUI

#include <guichan/gui.hpp>

#include "../guichanfwd.h"

class GuiConfigListener;
class Graphics;
class ImageSet;
class SDLInput;
class Viewport;

/**
 * \defgroup GUI Core GUI related classes (widgets)
 */

/**
 * \defgroup Interface User interface related classes (windows, dialogs)
 */

/**
 * Main GUI class.
 *
 * \ingroup GUI
 */
class Gui : public gcn::Gui
{
    public:
        /**
         * Constructor.
         */
        Gui(Graphics *screen);

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

        /**
         * Performs logic of the GUI. Overridden to track mouse pointer
         * activity.
         */
        void logic();

        /**
         * Draws the whole Gui by calling draw functions down in the
         * Gui hierarchy. It also draws the mouse pointer.
         */
        void draw();

        /**
         * Return game font.
         */
        gcn::Font* getFont() const
        { return mGuiFont; }

        /**
         * Sets whether a custom cursor should be rendered.
         */
        void setUseCustomCursor(bool customCursor);

        /**
         * Sets which cursor should be used.
         */
        void setCursorType(int index)
        { mCursorType = index; }

        /**
         * Cursors are in graphic order from left to right.
         * CURSOR_POINTER should be left untouched.
         * CURSOR_TOTAL should always be last.
         */
        enum {
            CURSOR_POINTER = 0,
            CURSOR_RESIZE_ACROSS,
            CURSOR_RESIZE_DOWN,
            CURSOR_RESIZE_DOWN_LEFT,
            CURSOR_RESIZE_DOWN_RIGHT,
            CURSOR_TOTAL
        };

    protected:
        void handleMouseMoved(const gcn::MouseInput &mouseInput);

    private:
        GuiConfigListener *mConfigListener;
        gcn::Font *mGuiFont;                  /**< The global GUI font */
        bool mCustomCursor;                   /**< Show custom cursor */
        ImageSet *mMouseCursors;              /**< Mouse cursor images */
        float mMouseCursorAlpha;
        int mMouseInactivityTimer;
        int mCursorType;
};

extern Gui *gui;                              /**< The GUI system */
extern Viewport *viewport;                    /**< The viewport */
extern SDLInput *guiInput;                    /**< GUI input */

/**
 * Fonts used in showing hits
 */
extern gcn::Font *hitRedFont;
extern gcn::Font *hitBlueFont;
extern gcn::Font *hitYellowFont;

#endif