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kb.c: add curly braces to enable usb mouse nub scrolling

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This commit is contained in:
stanley lieber 2011-11-30 22:12:04 -06:00
parent fe62caef5f
commit b8136286b6
1 changed files with 4 additions and 2 deletions
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6
sys/src/cmd/nusb/kb/kb.c
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@ -264,10 +264,12 @@ ptrwork(void* a)
y = buf[2];
}
b = maptab[buf[0] & 0x7];
if(c > 3 && buf[3] == 1) /* up */
if(c > 3 && buf[3] > 0){ /* up */
b |= 0x08;
if(c > 3 && buf[3] == -1) /* down */
}
if(c > 3 && buf[3] < 0){ /* down */
b |= 0x10;
}
if(kbdebug > 1)
fprint(2, "%s: m%11d %11d %11d\n", argv0, x, y, b);
seprint(mbuf, mbuf+sizeof(mbuf), "m%11d %11d %11d", x, y,b);