--- dwm.c.orig  2012-03-15 20:02:26.714393218 +0100
+++ src/dwm-6.0/dwm.c   2012-03-15 20:02:12.317726810 +0100
@@ -175,6 +175,7 @@
 static void attach(Client *c);
 static void attachstack(Client *c);
 static void buttonpress(XEvent *e);
+static void chat(Monitor *m);
 static void checkotherwm(void);
 static void cleanup(void);
 static void cleanupmon(Monitor *mon);
@@ -2271,6 +2272,56 @@
                }
 }

+void
+chat(Monitor *m) {
+       unsigned int n, cols, rows, cn, rn, i, cx, cy, cw, ch, ww;
+       Client *c, *bl = NULL;
+
+       for(n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++)
+               if(strstr(c->name, "emesene"))
+                       bl = c;
+       if(n == 0)
+               return;
+
+       /* buddy list */
+       ww = (bl ? m->mfacts[m->curtag] * m->ww : m->ww);
+       if(bl) {
+               resize(bl, m->wx + ww, m->wy, m->ww - ww - 2 * bl->bw, m->wh - 2 * bl->bw, False);
+               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 ? ww / cols : 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(c == bl) {
+                       --i;
+                       continue;
+               }
+               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++;
+               }
+       }
+}
+
 int
 main(int argc, char *argv[]) {
        if(argc == 2 && !strcmp("-v", argv[1]))