button.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_BUTTON_HPP
#define GCN_BUTTON_HPP

#include <string>

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

namespace gcn
{
    /**
     * A regular button. Add an ActionListener to it to know when it
     * has been clicked.
     *
     * NOTE: You can only have text (a caption) on the button. If you want it
     *       to handle, for instance images, you can implement an ImageButton
     *       of your own and overload member functions from Button.
     */
    class GCN_CORE_DECLSPEC Button : public Widget,
                                     public MouseListener,
                                     public KeyListener
    {
    public:
        /**
         * Constructor.
         */
        Button();

        /**
         * Constructor.
         *
         * @param caption the caption of the Button.
         */
        Button(const std::string& caption);
      
        /**
         * Sets the Button caption.
         *
         * @param caption the Button caption.
         */
        virtual void setCaption(const std::string& caption);
        
        /**
         * Gets the Button caption.
         *
         * @return the Button caption.
         */
        virtual const std::string& getCaption() const;

        /**
         * Sets the alignment for the caption.
         *
         * @param alignment Graphics::LEFT, Graphics::CENTER or Graphics::RIGHT
         * @see Graphics
         */
        virtual void setAlignment(unsigned int alignment);

        /**
         * Gets the alignment for the caption.
         *
         * @return alignment of caption.
         */
        virtual unsigned int getAlignment() const;
        
        /**
         * Adjusts the buttons size to fit the content.     
         */
        virtual void adjustSize();

        /**
         * Checks if the button is pressed down. Useful when drawing.
         *
         * @return true if the button is pressed down.
         */
        virtual bool isPressed() const;

        
        //Inherited from Widget
        
        virtual void draw(Graphics* graphics);

        virtual void drawBorder(Graphics* graphics);
            
        virtual void lostFocus();
        
		virtual void hotKeyPress();
		virtual void hotKeyRelease();
    
        // Inherited from MouseListener
        
        virtual void mouseClick(int x, int y, int button, int count);

        virtual void mousePress(int x, int y, int button);

        virtual void mouseRelease(int x, int y, int button);


        // Inherited from KeyListener

        virtual bool keyPress(const Key& key);
    
        virtual bool keyRelease(const Key& key);

    protected:
        std::string mCaption;
        bool mMouseDown, mKeyDown, mHotKeyDown;
        unsigned int mAlignment;        
    };  
}

#endif // end GCN_BUTTON_HPP