dwm-gridmode-5.8.2.diff

diff -r 62791cc97f88 config.def.h
--- a/config.def.h	Tue Jun 01 17:39:26 2010 +0100
+++ b/config.def.h	Wed Jun 02 13:42:49 2010 +0100
@@ -29,1 +29,2 @@
+#include "grid.c"
 static const Layout layouts[] = {
@@ -34,3 +35,4 @@
+	{ "HHH",      grid },
 };
 
 /* key definitions */
diff -r 62791cc97f88 grid.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/grid.c	Wed Jun 02 13:42:49 2010 +0100
@@ -0,0 +1,28 @@
+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++;
+	}
+}
+