gui.h

Linux系统下的《红色警戒》游戏

/*      _______   __   __   __   ______   __   __   _______   __   __                 
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 *
 * Copyright (c) 2004, 2005 darkbits                        Js_./
 * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
 * Olof Naess閚 a.k.a jansem/yakslem                _asww7!uY`>  )\a//
 *                                                 _Qhm`] _f "'c  1!5m
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#ifndef GCN_GUI_HPP
#define GCN_GUI_HPP

#include <string>

#include "guichan/input.h"
#include "guichan/platform.h"
#include "guichan/widget.h"

namespace gcn
{
    // The following comment will appear in the doxygen main page.
    /**
     * @section Introduction
     * This documentation is mostly intended as a reference to the API. If you want to get started with Guichan, we suggest you check out the programs in the examples directory of the Guichan release.
     * @n
     * @n
     * This documentation is, and will always be, work in progress. If you find any errors, typos or inconsistencies, or if you feel something needs to be explained in more detail - don't hesitate to tell us.
     */
    
    /**
     * Gui core class. Contains a special widget called the top widget.
     * If you want to be able to have more then one Widget in your Gui,
     * the top widget should be a Container.
     *
     * NOTE: For the Gui to function properly you need to set a Graphics
     *       object to use and an Input object to use.
     */
    class GCN_CORE_DECLSPEC Gui
    {
    public:

        /**
         * Constructor.
         */
        Gui();

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

        /**
         * Sets the top Widget.
         *
         * @param top the top Widget.
         */
        virtual void setTop(Widget* top);

        /**
         * Gets the top Widget.
         *
         * @return the top widget. NULL if no top widget has been set.
         */
        virtual Widget* getTop() const;

        /**
         * Sets the Graphics object to use for drawing.
         *
         * @param graphics the Graphics object to use for drawing.
         * @see SDLGraphics, OpenGLGraphics, AllegroGraphics
         */
        virtual void setGraphics(Graphics* graphics);

        /**
         * Gets the Graphics object used for drawing.
         *
         *  @return the Graphics object used for drawing. NULL if no
         *          Graphics object has been set.
         */
        virtual Graphics* getGraphics() const;
    
        /**
         * Sets the Input object to use for input handling.
         *
         * @param input the Input object to use for input handling.
         * @see SDLInput, AllegroInput
         */
        virtual void setInput(Input* input);
    
        /**
         * Gets the Input object being used for input handling.
         *
         *  @return the Input object used for handling input. NULL if no
         *          Input object has been set.
         */
        virtual Input* getInput() const;
    
        /**
         * Performs the Gui logic. By calling this function all logic
         * functions down in the Gui heirarchy will be called.
         * What performs in Logic can be just about anything like
         * adjusting a Widgets size or doing some calculations.
         *
         * NOTE: Logic also deals with user input (Mouse and Keyboard)
         *       for Widgets.
         */
        virtual void logic();

        /**
         * Draws the Gui. By calling this funcion all draw functions
         * down in the Gui hierarchy will be called.
         */
        virtual void draw();

        /**
         * Focus none of the Widgets in the Gui.
         */
        virtual void focusNone();
    
        /**
         * Toggles the use of the tab key to focus Widgets.
         * By default, tabbing is enabled.
         *
         * @param tabbing set to false if you want to disable tabbing.
         */
        virtual void setTabbingEnabled(bool tabbing);

        /**
         * Checks if tabbing is enabled.
         *
         * @return true if tabbing is enabled.
         */
        virtual bool isTabbingEnabled();
            
    protected:
        bool mTopHasMouse;
        bool mTabbing;
        
        Widget* mTop;
        Graphics* mGraphics;
        Input* mInput;
        FocusHandler* mFocusHandler;    
    };  
}

#endif // end GCN_GUI_HPP

/* yakslem  - "Women, it's a constant struggle."
 * finalman - "Yes, but sometimes they succeed with their guesses."
 * yaklsem  - "...eh...I was talking about love."
 * finalman - "Oh...ok..."
 * An awkward silence followed.
 */