Duncan McIntyre / SimpleGUI

Foundation classes for a basic GUI implementing simple widgets and events

Dependents:   TouchScreenGUIDemo

Events/EventListener.h

Committer:
duncanFrance
Date:
2016-04-11
Revision:
8:a460cabc85ac
Parent:
1:48796b602c86
Child:
12:63db16fea709

File content as of revision 8:a460cabc85ac:

#ifndef SIMPLEGUI_EVENT_TARGET_H
#define SIMPLEGUI_EVENT_TARGET_H

// Need a forward declaration of EventListener here
class EventListener;

#include "EventHandler.h"

class EventListener {
    
    public:
    
    EventListener();
    
    virtual bool isEventTarget(Event e);
    void handleEvent(Event e);
    void setEventHandler(uint8_t type, EventHandler handler);
    /**
    * Returns the number of remaining handlers
    **/
    int unsetEventHandler(uint8_t type);
   
    private:
    
    EventHandlerWrapper* _handlers;
    int _numHandlers;  
      
};
    
#endif