focushandler.h

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/*      _______   __   __   __   ______   __   __   _______   __   __
 *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
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 *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
 *
 * Copyright (c) 2004, 2005 darkbits                        Js_./
 * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
 * Olof Naess�n a.k.a jansem/yakslem                _asww7!uY`>  )\a//
 *                                                 _Qhm`] _f "'c  1!5m
 * Visit: http://guichan.darkbits.org             )Qk<P ` _: :+' .'  "{[
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 * License: (BSD)                                <Td/Z <fP"5(\"??"\a.  .L
 * Redistribution and use in source and          _dV>ws?a-?'      ._/L  #'
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#ifndef GCN_FOCUSHANDLER_HPP
#define GCN_FOCUSHANDLER_HPP
 
#include <vector>
 
#include "guichan/platform.h"
#include "guichan/widget.h"
 
namespace gcn
{
    class Widget;
 
    class GCN_CORE_DECLSPEC FocusHandler
    {
    public:
 
        FocusHandler();
 
        virtual ~FocusHandler() { };
 
        virtual void requestFocus(Widget* widget);
 
        virtual void setFocus(Widget* widget);
 
        virtual void requestDrag(Widget* widget);
 
        virtual void requestModalFocus(Widget* widget);
 
        virtual void releaseModalFocus(Widget* widget);
 
        virtual Widget* getFocused() const;
 
        virtual Widget* getDragged() const;
 
        virtual Widget* getModalFocused() const;
 
        virtual void focusNext();
 
        virtual void focusPrevious();
 
        virtual bool hasFocus(const Widget* widget) const;
 
        virtual bool isDragged(const Widget* widget) const;
 
        virtual void add(Widget* widget);
 
        virtual void remove(Widget* widget);
 
        virtual void focusNone();
 
        virtual void tabNext();
 
        virtual void tabPrevious();
 
        virtual void applyChanges();
 
        virtual void dragNone();
 
                virtual void checkHotKey(const KeyInput &keyInput);
 
    protected:
        typedef std::vector<Widget*> WidgetVector;
        typedef WidgetVector::iterator WidgetIterator;
        WidgetVector mWidgets;
 
        Widget* mFocusedWidget;
        Widget* mDraggedWidget;
        Widget* mToBeFocused;
        Widget* mToBeDragged;
        Widget* mModalFocusedWidget;
    };
}
 
#endif // end GCN_FOCUSHANDLER_HPP