Duncan McIntyre / SimpleGUI

Foundation classes for a basic GUI implementing simple widgets and events

Dependents:   TouchScreenGUIDemo

Events/EventDispatcher.cpp

Committer:
duncanFrance
Date:
2016-05-21
Revision:
15:e69fd74d42e4
Parent:
12:63db16fea709
Child:
18:d849f3ada858

File content as of revision 15:e69fd74d42e4:

#include "EventDispatcher.h"

EventDispatcher::EventDispatcher() {
}

void EventDispatcher::attachListener(EventListener* l) {
    _listeners.appendOnce(l);
}

void EventDispatcher::detachListener(EventListener* l) {
    _listeners.remove(l);
}

void EventDispatcher::dispatchEvent(Event e) {
    EventListener* l;
    _listeners.reset();
    while((l=_listeners.next()) != NULL) {
        if(l->isEventTarget(e)) {
            l->handleEvent(e);
        }
    }
}