void
setcursor(Cursor *c)
{
drawqlock();
_xsetcursor(c);
drawqunlock();
}
/*
* Handle a single wsysmsg.
* Might queue for later (kbd, mouse read)
*/
void
runmsg(Wsysmsg *m)
{
uchar buf[65536];
int n;
Memimage *i;
switch(m->type){
case Tinit:
memimageinit();
i = _xattach(m->label, m->winsize);
_initdisplaymemimage(i);
replymsg(m);
break;
case Trdmouse:
mousetags.t[mousetags.wi++] = m->tag;
if(mousetags.wi == nelem(mousetags.t))
mousetags.wi = 0;
if(mousetags.wi == mousetags.ri)
sysfatal("too many queued mouse reads");
/* fprint(2, "mouse unstall\n"); */
mouse.stall = 0;
matchmouse();
break;
case Trdkbd:
kbdtags.t[kbdtags.wi++] = m->tag;
if(kbdtags.wi == nelem(kbdtags.t))
kbdtags.wi = 0;
if(kbdtags.wi == kbdtags.ri)
sysfatal("too many queued keyboard reads");
kbd.stall = 0;
matchkbd();
break;
case Tmoveto:
_xmoveto(m->mouse.xy);
replymsg(m);
break;
case Tcursor:
if(m->arrowcursor)
_xsetcursor(nil);
else
_xsetcursor(&m->cursor);
replymsg(m);
break;
case Tbouncemouse:
_xbouncemouse(&m->mouse);
replymsg(m);
break;
case Tlabel:
_xsetlabel(m->label);
replymsg(m);
break;
case Trdsnarf:
m->snarf = _xgetsnarf();
replymsg(m);
free(m->snarf);
break;
case Twrsnarf:
_xputsnarf(m->snarf);
replymsg(m);
break;
case Trddraw:
n = m->count;
if(n > sizeof buf)
n = sizeof buf;
n = _drawmsgread(buf, n);
if(n < 0)
replyerror(m);
else{
m->count = n;
m->data = buf;
replymsg(m);
}
break;
case Twrdraw:
if(_drawmsgwrite(m->data, m->count) < 0)
replyerror(m);
else
replymsg(m);
break;
case Ttop:
_xtopwindow();
replymsg(m);
break;
case Tresize:
_xresizewindow(m->rect);
replymsg(m);
break;
}
}
