www.pudn.com > dos_gui.zip > YYXOBJ.H

#ifndef __YYXOBJ_H 
#define __YYXOBJ_H 
 
#if !defined(__YYXSYS_H) 
#include "yyxsys.h" 
#endif 
 
#if !defined(__YYXMSG_H) 
#include "yyxmsg.h" 
#endif 
 
enum direction {TO_UP,TO_DOWN}; 
 
typedef class object_class Tobject; 
 
class object_class { 
public: 
	long    ID; 
	char	title[40]; 
	char 	hotkey; 
 
	byte 	status; 
	byte 	type; 
	Trect 	bounds; 
 
	Tobject *pleft;  //all are the same kind; 
	Tobject *pright; 
public: 
	object_class(int ID,char *title_hotkey,byte status,byte type, 
	 int left,int top,int width,int height	); 
virtual ~object_class(); 
 
virtual void	select		() 		; 
virtual void 	unselect 	()  	; 
virtual void  	draw 		()  	; 
 
virtual int   	key_pressed_handler  ( int key_scan_num )	; 
virtual int     msg_handler (MSG& message )				    ; 
 
// LOOKING THRU LINKS; ASSUME A LOOP 
public: 
	int step;	//to count how many objects passed 
public: 
virtual	Tobject * get_object_thru_key ( int key_scan_num , BOOL useDisabled=FALSE ); 
virtual	Tobject * get_next_object (enum direction direct , BOOL useDisabled=FALSE ); 
virtual	Tobject * get_object_thru_point ( int x,int y , BOOL useDisabled=FALSE ); 
virtual void  change_select ( Tobject *pold_select,Tobject *pnew_select ); 
 
}; 
 
 
#endif