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void
grid(Monitor *m) {
unsigned int i, n, cx, cy, cw, ch, aw, ah, cols, rows;
Client *c;
for(n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next))
n++;
/* grid dimensions */
for(rows = 0; rows <= n/2; rows++)
if(rows*rows >= n)
break;
cols = (rows && (rows - 1) * rows >= n) ? rows - 1 : rows;
/* window geoms (cell height/width) */
ch = m->wh / (rows ? rows : 1);
cw = m->ww / (cols ? cols : 1);
for(i = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next)) {
cx = m->wx + (i / rows) * cw;
cy = m->wy + (i % rows) * ch;
/* adjust height/width of last row/column's windows */
ah = ((i + 1) % rows == 0) ? m->wh - ch * rows : 0;
aw = (i >= rows * (cols - 1)) ? m->ww - cw * cols : 0;
resize(c, cx, cy, cw - 2 * c->bw + aw, ch - 2 * c->bw + ah, False);
i++;
}
}
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