EAHitBox.h

00001 // Copyright 2010 Richard Parker
00002 
00003 #ifndef MBED_EAHITBOX_H
00004 #define MBED_EAHITBOX_H
00005 
00006 #include "mbed.h"
00007 
00008 #include "../widgets/EAWidget.h"
00009 
00010 class EAHitBox;
00011 class EAHitHandler;
00012 
00013 /**
00014  * Class to handle detection of a hit in an area of the screen.
00015  * @author Richard Parker
00016  */
00017 class EAHitBox
00018 {
00019 public:
00020     typedef void (*ActionFunction)(EAHitBox*, short, short) ;
00021 
00022     EAHitBox();
00023     
00024     ~EAHitBox();
00025 
00026     inline unsigned short width() const { return _width; }
00027     inline unsigned short height() const { return _height; }
00028 
00029     inline void setWidth(unsigned int w) { _width = w; }
00030     inline void setHeight(unsigned int h) { _height = h; }
00031 
00032     inline unsigned short x() const { return _x; }
00033     inline unsigned short y() const { return _y; }
00034 
00035     inline void setX(short x) { _x = x; }
00036     inline void setY(short y) { _y = y; }
00037     
00038     inline EAHitBox* next() const { return _next; }
00039     inline void setNext(EAHitBox* value) { _next = value; }
00040     
00041     bool checkContains(short x, short y);
00042     
00043     inline void setAction(EAHitBox::ActionFunction action) { _action = action; }
00044     
00045     inline EAHitHandler* handler() const { return _handler; }
00046     inline void setHandler(EAHitHandler* value) { _handler = value; }
00047     
00048     inline bool enabled() { return _enabled; }
00049     inline void setEnabled(bool yes) { _enabled = yes; }
00050 
00051 private:    
00052     EAHitBox* _next;
00053     
00054     EAHitHandler* _handler;
00055     
00056     unsigned short _width;
00057     unsigned short _height;
00058     
00059     short _x;
00060     short _y;
00061     
00062     bool _enabled;
00063     
00064     ActionFunction _action;
00065     
00066 };
00067 
00068 #endif