int neighbours(int y, int x)
{
int n = 0; /* Alive neighbours */
/* The curses coordinate system puts y=0 to the top, so y-1 means checking
* for above and y+1 means the bottom */
/* Check for boundaries and then sum up the alive cells */
if(y < LMAX)
{
n += ALIVE(y+1,x); /* Bottom */
}
if(y > 0)
{
n += ALIVE(y-1,x); /* Top */
}
if(x < CMAX)
{
n += ALIVE(y, x+1); /* Right */
if(y > 0)
{
n += ALIVE(y-1, x+1); /* Top right */
}
if(y < LMAX)
{
n += ALIVE(y+1, x+1); /* Bottom right */
}
}
if(x > 0)
{
n += ALIVE(y, x-1); /* Left */
if(y > 0)
{
n += ALIVE(y-1, x-1); /* Top left */
}
if(y < LMAX)
{
n += ALIVE(y+1, x-1); /* Bottom left */
}
}
return n;
}
Window
subSubtleFocus(int focus)
{
int sid = 0;
SubClient *c = NULL;
SubScreen *s = NULL;
/* Get current screen */
s = subScreenCurrent(&sid);
/* Find next window */
if(focus)
{
int i;
/* Check focus history */
for(i = 1; i < HISTORYSIZE; i++)
{
if((c = CLIENT(subSubtleFind(subtle->windows.focus[i], CLIENTID))))
{
/* Check visibility on current screen */
if(c->screen == sid && ALIVE(c) &&
VISIBLE(subtle->visible_tags, c) &&
c->win != subtle->windows.focus[0])
{
subClientFocus(c);
subClientWarp(c, True);
return c->win;
}
}
}
/* Check client list backwards to get fullscreen first */
for(i = subtle->clients->ndata - 1; i > 0; i--)
{
c = CLIENT(subtle->clients->data[i]);
/* Check visibility on current screen */
if(c->screen == sid && ALIVE(c) &&
VISIBLE(subtle->visible_tags, c) &&
c->win != subtle->windows.focus[0])
{
subClientFocus(c);
subClientWarp(c, True);
return c->win;
}
}
}
/* Fallback to root */
subtle->windows.focus[0] = ROOT;
subGrabSet(ROOT);
XSetInputFocus(subtle->dpy, ROOT, RevertToPointerRoot, CurrentTime);
subScreenUpdate();
subScreenRender();
/* EWMH: Current destop */
subEwmhSetCardinals(ROOT, SUB_EWMH_NET_CURRENT_DESKTOP,
(long *)&s->vid, 1);
return ROOT;
} /* }}} */
