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screenlock: don't poll to top window (thanks Stuart Morrow)

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> String becomes stringbg so we have guaranteed max contrast in case the
> user changes the picture. (If you don't change the picture, it's
> white-on-black-on-black (sic) and you would never notice the change.)
This commit is contained in:
cinap_lenrek 2021-07-18 19:54:58 +00:00
parent acc504c319
commit 187806ad20
1 changed files with 10 additions and 5 deletions
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15
sys/src/cmd/screenlock.c
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@ -119,14 +119,19 @@ grabmouse(void*)
void
top(void*)
{
int fd;
int fd, n;
char buf[128];
if((fd = open("/dev/wctl", OWRITE)) < 0)
if((fd = open("/dev/wctl", ORDWR)) < 0)
return;
for(;;){
write(fd, "current", 7);
sleep(500);
n = read(fd, buf, sizeof buf-1);
if(n > 48){
buf[n] = '\0';
if(strstr(buf+48, "notcurrent"))
write(fd, "current", 7);
}
}
}
@ -186,7 +191,7 @@ lockscreen(void)
tm = localtime(time(&blank));
s = smprint("user %s at %d:%02.2d", getuser(), tm->hour, tm->min);
p = subpt(p, Pt(stringwidth(font, "m") * strlen(s) / 2, 0));
string(screen, p, screen->display->white, ZP, font, s);
stringbg(screen, p, display->white, ZP, font, s, display->black, ZP);
}
flushimage(display, 1);