Duncan McIntyre / SimpleGUI

Foundation classes for a basic GUI implementing simple widgets and events

Dependents:   TouchScreenGUIDemo

Events/EventDispatcher.h@18:d849f3ada858, 2016-05-28 (annotated)

Committer:
duncanFrance
Date:
Sat May 28 14:50:14 2016 +0000
Revision:
18:d849f3ada858
Parent:
12:63db16fea709 
Moved the event queue into the EventDispatcher; Improved event handling across Window/Widget

Who changed what in which revision?

UserRevisionLine numberNew contents of line
duncanFrance 0:0a590815d51c 1 #ifndef SIMPLEGUI_EVENT_DISPATCHER_H
duncanFrance 0:0a590815d51c 2 #define SIMPLEGUI_EVENT_DISPATCHER_H
duncanFrance 0:0a590815d51c 3
duncanFrance 18:d849f3ada858 4 #include "rtos.h"
duncanFrance 18:d849f3ada858 5
duncanFrance 0:0a590815d51c 6 #include "EventListener.h"
duncanFrance 12:63db16fea709 7 #include "LinkedList.h"
duncanFrance 0:0a590815d51c 8
duncanFrance 12:63db16fea709 9 class EventDispatcher
duncanFrance 12:63db16fea709 10 {
duncanFrance 12:63db16fea709 11
duncanFrance 0:0a590815d51c 12
duncanFrance 12:63db16fea709 13 public:
duncanFrance 12:63db16fea709 14
duncanFrance 0:0a590815d51c 15 EventDispatcher();
duncanFrance 12:63db16fea709 16
duncanFrance 0:0a590815d51c 17 void attachListener(EventListener* l);
duncanFrance 0:0a590815d51c 18 void detachListener(EventListener* l);
duncanFrance 0:0a590815d51c 19 void dispatchEvent(Event e);
duncanFrance 18:d849f3ada858 20
duncanFrance 18:d849f3ada858 21 /**
duncanFrance 18:d849f3ada858 22 * Normally called from a separate thread to queue an event for later processing by the main thread
duncanFrance 18:d849f3ada858 23 **/
duncanFrance 18:d849f3ada858 24 void queueEvent(const Event e);
duncanFrance 18:d849f3ada858 25
duncanFrance 18:d849f3ada858 26 /**
duncanFrance 18:d849f3ada858 27 * Should be called on the main thread
duncanFrance 18:d849f3ada858 28 **/
duncanFrance 18:d849f3ada858 29 void pumpEvents();
duncanFrance 12:63db16fea709 30
duncanFrance 12:63db16fea709 31 private:
duncanFrance 12:63db16fea709 32
duncanFrance 12:63db16fea709 33 LinkedList<EventListener> _listeners;
duncanFrance 18:d849f3ada858 34 Mail<Event, 64> _mailbox;
duncanFrance 0:0a590815d51c 35
duncanFrance 0:0a590815d51c 36 };
duncanFrance 0:0a590815d51c 37
duncanFrance 0:0a590815d51c 38 #endif