64a65
> 	int		lock;         /* lock screen */
1276a1278
> 	char timestr[8];
1431a1434,1447
> 		/* screen blanker 'B' lock[1] blanktime[4] timetoblank[4] */
> 		case 'B':
> 			printmesg(fmt="bLL", a, 0);
> 			m = 1+1+4+4;
> 		
> 			if(n < m)
> 				error(Eshortdraw);
> 			sdraw.lock = a[1];
> 			strncpy(timestr,(char *)a+2,4);
> 			blanktime = atoi(timestr);
> 			strncpy(timestr,(char *)a+6,4);
> 			sdraw.blanktime = (abs(blanktime - atoi(timestr)) + (blanktime - atoi(timestr)))*60*HZ/2;
> 			/* print("bt %d sbt %d l %c\n",blanktime,sdraw.blanktime,sdraw.lock); */
> 			continue;
1432a1449
> 
2018c2035,2036
< 	if(active){
---
> 	/* if lock is set, don't unblank w/ mouse */
> 	if(active && sdraw.lock != '1'){
2022c2040
< 		if(blanktime && TK2SEC(sdraw.blanktime)/60 >= blanktime)
---
> 		if(blanktime && TK2SEC(sdraw.blanktime)/60 >= blanktime)