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static void grid(void)
{
unsigned int i, m, nm, n, nx, ny, nw, nh, aw, ah, cols, rows;
Client *c;
for (n = 0, m = 0, c = clients; c; c = c->next, n++)
if (c->minimized)
m++;
/* number of non minimized windows */
nm = n - m;
/* grid dimensions */
for (cols = 0; cols <= nm / 2; cols++)
if (cols * cols >= nm)
break;
rows = (cols && (cols - 1) * cols >= nm) ? cols - 1 : cols;
/* window geoms (cell height/width) */
nh = (wah - m) / (rows ? rows : 1);
nw = waw / (cols ? cols : 1);
for (i = 0, c = clients; c; c = c->next, i++) {
if (!c->minimized) {
/* if there are less clients in the last row than normal adjust the
* split rate to fill the empty space */
if (rows > 1 && i == (rows * cols) - cols
&& (nm - i) <= (nm % cols))
nw = waw / (nm - i);
nx = (i % cols) * nw + wax;
ny = (i / cols) * nh + way;
/* adjust height/width of last row/column's windows */
ah = (i >= cols * (rows - 1)) ? wah - m - nh * rows : 0;
/* special case if there are less clients in the last row */
if (rows > 1 && i == nm - 1 && (nm - i) < (nm % cols))
/* (n % cols) == number of clients in the last row */
aw = waw - nw * (nm % cols);
else
aw = ((i + 1) % cols ==
0) ? waw - nw * cols : 0;
if (i % cols) {
mvvline(ny, nx, ACS_VLINE, nh + ah);
/* if we are on the first row, or on the last one and there are fewer clients
* than normal whose border does not match the line above, print a top tree char
* otherwise a plus sign. */
if (i <= cols
|| (i >= rows * cols - cols && nm % cols
&& (cols - (nm % cols)) % 2))
mvaddch(ny, nx, ACS_TTEE);
else
mvaddch(ny, nx, ACS_PLUS);
nx++, aw--;
}
} else {
if (i == nm) { /* first minimized client */
ny = way + wah - m;
nx = wax;
nw = waw;
nh = 1;
aw = 0;
ah = 0;
} else
ny++;
}
resize(c, nx, ny, nw + aw, nh + ah);
}
}
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