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/*  Starshatter: The Open Source Project
    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
    Copyright (c) 1997-2006, Destroyer Studios LLC.

    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Event Dispatch class
*/

#ifndef EventDispatch_h
#define EventDispatch_h

#include "Types.h"
#include "EventTarget.h"
#include "List.h"

// +--------------------------------------------------------------------+

class EventDispatch
{
public:
    static const char* TYPENAME() { return "EventDispatch"; }

    EventDispatch();
    virtual ~EventDispatch();

    static void    Create();
    static void    Close();
    static EventDispatch* GetInstance()  { return dispatcher; }

    virtual void   Dispatch();
    virtual void   Register(EventTarget* tgt);
    virtual void   Unregister(EventTarget* tgt);

    virtual EventTarget* GetCapture();
    virtual int    CaptureMouse(EventTarget* tgt);
    virtual int    ReleaseMouse(EventTarget* tgt);

    virtual EventTarget* GetFocus();
    virtual void   SetFocus(EventTarget* tgt);
    virtual void   KillFocus(EventTarget* tgt);

    virtual void   MouseEnter(EventTarget* tgt);

protected:
    int                     mouse_x, mouse_y, mouse_l, mouse_r;
    List<EventTarget>       clients;
    EventTarget*            capture;
    EventTarget*            current;
    EventTarget*            focus;
    EventTarget*            click_tgt;

    static EventDispatch*   dispatcher;
};

#endif  // EventDispatch_h