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vt: but not too fast :-)

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if drawing can't keep up with the host, make sure we
eventually redraw the screen and check for user events.
This commit is contained in:
cinap_lenrek 2017-04-19 02:18:28 +02:00
parent 219050cc36
commit 283a1c0788
1 changed files with 6 additions and 3 deletions
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9
sys/src/cmd/vt/main.c
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@ -645,7 +645,7 @@ waitchar(void)
return(rcvchar());
free(hostbuf);
hostbufp = hostbuf = nbrecvp(hc);
if(host_avail())
if(host_avail() && nrand(8))
return(rcvchar());
}
drawscreen();
@ -662,10 +662,13 @@ waitio(void)
{ mc->c, &mc->Mouse, CHANRCV },
{ mc->resizec, nil, CHANRCV },
{ kc->c, &kbdchar, CHANRCV },
{ hc, &hostbuf, CHANNOP },
{ hc, &hostbuf, CHANRCV },
{ nil, nil, CHANEND },
};
if(hostbuf == nil) a[AHOST].op = CHANRCV;
if(blocked)
a[AHOST].op = CHANNOP;
else if(hostbuf != nil)
a[AHOST].op = CHANNOBLK;
Next:
if(display->bufp > display->buf)
flushimage(display, 1);