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path: root/dwm/chadwm/gaplessgrid.c
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void
gaplessgrid(Monitor *m)
{
	unsigned int n, cols, rows, cn, rn, i, cx, cy, cw, ch;
	Client *c;

	for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++)
		;
	if (n == 0)
		return;

	/* grid dimensions */
	for (cols = 0; cols <= n / 2; cols++)
		if (cols * cols >= n)
			break;
	if (n == 5) /* set layout against the general calculation: not 1:2:2, but 2:3 */
		cols = 2;
	rows = n / cols;

	/* window geometries */
	cw = cols ? m->ww / cols : m->ww;
	cn = 0; /* current column number */
	rn = 0; /* current row number */
	for (i = 0, c = nexttiled(m->clients); c; i++, c = nexttiled(c->next)) {
		if (i / rows + 1 > cols - n % cols)
			rows = n / cols + 1;
		ch = rows ? m->wh / rows : m->wh;
		cx = m->wx + cn * cw;
		cy = m->wy + rn * ch;
		resize(c, cx, cy, cw - 2 * c->bw, ch - 2 * c->bw, False);
		rn++;
		if (rn >= rows) {
			rn = 0;
			cn++;
		}
	}
}