Duncan McIntyre / SimpleGUI

Foundation classes for a basic GUI implementing simple widgets and events

Dependents:   TouchScreenGUIDemo

Events/EventListener.h@8:a460cabc85ac, 2016-04-11 (annotated)

Committer:
duncanFrance
Date:
Mon Apr 11 16:54:02 2016 +0000
Revision:
8:a460cabc85ac
Parent:
1:48796b602c86
Child:
12:63db16fea709
Added GUI for common defaults

Who changed what in which revision?

UserRevisionLine numberNew contents of line
duncanFrance 0:0a590815d51c 1 #ifndef SIMPLEGUI_EVENT_TARGET_H
duncanFrance 0:0a590815d51c 2 #define SIMPLEGUI_EVENT_TARGET_H
duncanFrance 0:0a590815d51c 3
duncanFrance 0:0a590815d51c 4 // Need a forward declaration of EventListener here
duncanFrance 0:0a590815d51c 5 class EventListener;
duncanFrance 0:0a590815d51c 6
duncanFrance 0:0a590815d51c 7 #include "EventHandler.h"
duncanFrance 0:0a590815d51c 8
duncanFrance 0:0a590815d51c 9 class EventListener {
duncanFrance 0:0a590815d51c 10
duncanFrance 0:0a590815d51c 11 public:
duncanFrance 0:0a590815d51c 12
duncanFrance 0:0a590815d51c 13 EventListener();
duncanFrance 0:0a590815d51c 14
duncanFrance 1:48796b602c86 15 virtual bool isEventTarget(Event e);
duncanFrance 0:0a590815d51c 16 void handleEvent(Event e);
duncanFrance 0:0a590815d51c 17 void setEventHandler(uint8_t type, EventHandler handler);
duncanFrance 8:a460cabc85ac 18 /**
duncanFrance 8:a460cabc85ac 19 * Returns the number of remaining handlers
duncanFrance 8:a460cabc85ac 20 **/
duncanFrance 8:a460cabc85ac 21 int unsetEventHandler(uint8_t type);
duncanFrance 0:0a590815d51c 22
duncanFrance 0:0a590815d51c 23 private:
duncanFrance 0:0a590815d51c 24
duncanFrance 8:a460cabc85ac 25 EventHandlerWrapper* _handlers;
duncanFrance 8:a460cabc85ac 26 int _numHandlers;
duncanFrance 0:0a590815d51c 27
duncanFrance 0:0a590815d51c 28 };
duncanFrance 0:0a590815d51c 29
duncanFrance 0:0a590815d51c 30 #endif