--- dwm-4.8/dwm.c	2008-03-13 17:55:43.000000000 +0100
+++ mydwm-4.8/dwm.c	2008-03-27 16:34:22.000000000 +0100
@@ -186,6 +186,7 @@ void updatetitle(Client *c);
 void updatewmhints(Client *c);
 void view(const char *arg);
 void viewprevtag(const char *arg);	/* views previous selected tags */
+void cycleurgent(const char *arg);
 int xerror(Display *dpy, XErrorEvent *ee);
 int xerrordummy(Display *dpy, XErrorEvent *ee);
 int xerrorstart(Display *dpy, XErrorEvent *ee);
@@ -219,6 +220,9 @@ Bool *seltags;
 Client *clients = NULL;
 Client *sel = NULL;
 Client *stack = NULL;
+Client *initucycl; /* initialized urgent cycle */
+Bool *iucprevtags; /* the urgent-cycle initiator's previous tags */
+Bool inucycl = False; /* in urgent cycle */
 Cursor cursor[CurLast];
 Display *dpy;
 DC dc = {0};
@@ -661,6 +665,7 @@ focus(Client *c) {
 		grabbuttons(c, True);
 	}
 	sel = c;
+    inucycl = False;
 	if(c) {
 		XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
 		XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
@@ -1497,6 +1502,7 @@ setup(void) {
 	/* init tags */
 	seltags = emallocz(TAGSZ);
 	prevtags = emallocz(TAGSZ);
+    iucprevtags = emallocz(TAGSZ);
 	seltags[0] = prevtags[0] = True;
 
 	/* init layouts */
@@ -1842,6 +1848,36 @@ viewprevtag(const char *arg) {
 	arrange();
 }
 
+void
+cycleurgent(const char *arg) {
+    Client *c;
+
+    if(!sel)
+        return;
+
+    if(!inucycl) {
+        initucycl = sel;
+        memcpy(iucprevtags, prevtags, TAGSZ);
+    }
+        
+	for(c = clients; c; c = c->next) {
+        if(c->isurgent) {
+            memcpy(prevtags, seltags, TAGSZ);
+            memcpy(seltags, c->tags, TAGSZ);
+            focus(c);
+            arrange();
+            inucycl = True;
+
+            return;
+        }
+    }
+
+    memcpy(prevtags, iucprevtags, TAGSZ);
+    memcpy(seltags, initucycl->tags, TAGSZ);
+    focus(initucycl);
+    arrange();
+}
+
 /* There's no way to check accesses to destroyed windows, thus those cases are
  * ignored (especially on UnmapNotify's).  Other types of errors call Xlibs
  * default error handler, which may call exit.  */