#include <os.h>
#include "screen.h"
#include "console.h"
#include "charmap.h"

int menu(char* descr, char** str, int n)
{	int i;
	if(n>15) n=15;
	t_key keys[]={KEY_NSPIRE_1,KEY_NSPIRE_2,KEY_NSPIRE_3,KEY_NSPIRE_4,KEY_NSPIRE_5,KEY_NSPIRE_6,KEY_NSPIRE_7,KEY_NSPIRE_8,KEY_NSPIRE_9,KEY_NSPIRE_0,KEY_NSPIRE_A,KEY_NSPIRE_B,KEY_NSPIRE_C,KEY_NSPIRE_D,KEY_NSPIRE_E,KEY_NSPIRE_F};
	char* chrs="1234567890ABCDEF";
	clrScr();
	resetConsole();
	displn(descr,0);
	displn(LSEPARATOR,0);
	displn("",0);
	for(i=0;i<n;i++)
	{	disp(" ",0);
		dispc(chrs[i],0);
		disp(") ",0);
		displn(str[i],0);
	}
	drwStr(0,(MAX_LGN-1)*CHAR_HEIGHT,"Press Esc to cancel/return/quit",0);
	i=0;
	while(!isKeyPressed(KEY_NSPIRE_ESC))
	{	for(i=0;i<n;i++)
			if(isKeyPressed(keys[i]))
				return i;
		
	}
	return -1;
}